![Jörg Mayer](/assets/img/avatar_default.png)
I made a small change in packet-bacapp.c to fix the following: 1. Corrected Signed value decoding for a one octet value. 2. Corrected Priority values to decode as Unsigned values. svn path=/trunk/; revision=18918
5830 lines
158 KiB
C
5830 lines
158 KiB
C
/* packet-bacapp.c
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* Routines for BACnet (APDU) dissection
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* Copyright 2001, Hartmut Mueller <hartmut@abmlinux.org>, FH Dortmund
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* Enhanced by Steve Karg, 2005, <skarg@users.sourceforge.net>, Atlanta
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* Enhanced by Herbert Lischka, 2005, <lischka@kieback-peter.de>, Berlin
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Copied from README.developer,v 1.23
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "packet-bacapp.h"
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/* some necessary forward function prototypes */
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static guint
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fApplicationTypesEnumerated (tvbuff_t *tvb, proto_tree *tree, guint offset,
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const gchar *label, const value_string *vs);
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static const char *bacapp_unknown_service_str = "unknown service";
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static const char *ASHRAE_Reserved_Fmt = "(%d) Reserved for Use by ASHRAE";
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static const char *Vendor_Proprietary_Fmt = "(%d) Vendor Proprietary Value";
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static const value_string
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BACnetTypeName[] = {
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{0, "Confirmed-Request "},
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{1, "Unconfirmed-Request "},
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{2, "SimpleACK "},
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{3, "ComplexACK "},
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{4, "SegmentACK "},
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{5, "Error "},
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{6, "Reject "},
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{7, "Abort "},
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{0, NULL }
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};
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static const true_false_string segments_follow = {
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"Segmented Request",
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"Unsegmented Request"
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};
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static const true_false_string more_follow = {
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"More Segments Follow",
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"No More Segments Follow"
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};
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static const true_false_string segmented_accept = {
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"Segmented Response accepted",
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"Segmented Response not accepted"
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};
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static const true_false_string
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BACnetTagClass = {
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"Context Specific Tag",
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"Application Tag"
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};
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static const value_string
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BACnetMaxSegmentsAccepted [] = {
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{0,"Unspecified"},
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{1,"2 segments"},
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{2,"4 segments"},
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{3,"8 segments"},
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{4,"16 segments"},
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{5,"32 segments"},
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{6,"64 segments"},
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{7,"Greater than 64 segments"},
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{0,NULL }
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};
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static const value_string
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BACnetMaxAPDULengthAccepted [] = {
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{0,"Up to MinimumMessageSize (50 octets)"},
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{1,"Up to 128 octets"},
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{2,"Up to 206 octets (fits in a LonTalk frame)"},
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{3,"Up to 480 octets (fits in an ARCNET frame)"},
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{4,"Up to 1024 octets"},
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{5,"Up to 1476 octets (fits in an ISO 8802-3 frame)"},
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{6,"reserved by ASHRAE"},
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{7,"reserved by ASHRAE"},
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{8,"reserved by ASHRAE"},
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{9,"reserved by ASHRAE"},
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{10,"reserved by ASHRAE"},
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{11,"reserved by ASHRAE"},
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{12,"reserved by ASHRAE"},
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{13,"reserved by ASHRAE"},
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{14,"reserved by ASHRAE"},
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{15,"reserved by ASHRAE"},
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{0,NULL}
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};
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static const value_string
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BACnetRejectReason [] = {
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{0,"other"},
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{1,"buffer-overflow"},
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{2,"inconsistent-parameters"},
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{3,"invalid-parameter-data-type"},
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{4,"invalid-tag"},
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{5,"missing-required-parameter"},
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{6,"parameter-out-of-range"},
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{7,"too-many-arguments"},
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{8,"undefined-enumeration"},
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{9,"unrecognized-service"},
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{0,NULL}
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};
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static const value_string
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BACnetApplicationTagNumber [] = {
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{0,"Null"},
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{1,"Boolean"},
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{2,"Unsigned Integer"},
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{3,"Signed Integer (2's complement notation)"},
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{4,"Real (ANSI/IEE-754 floating point)"},
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{5,"Double (ANSI/IEE-754 double precision floating point)"},
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{6,"Octet String"},
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{7,"Character String"},
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{8,"Bit String"},
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{9,"Enumerated"},
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{10,"Date"},
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{11,"Time"},
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{12,"BACnetObjectIdentifier"},
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{13,"reserved by ASHRAE"},
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{14,"reserved by ASHRAE"},
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{15,"reserved by ASHRAE"},
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{0,NULL}
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};
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static const value_string
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BACnetAction [] = {
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{0,"direct"},
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{1,"reverse"},
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{0,NULL}
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};
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static const value_string
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BACnetFileAccessMethod [] = {
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{0,"record-access"},
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{1,"stream-access"},
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{0,NULL}
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};
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static const value_string
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BACnetAbortReason [] = {
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{0,"other"},
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{1,"buffer-overflow"},
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{2,"invalid-apdu-in-this-state"},
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{3,"preempted-by-higher-priority-task"},
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{4,"segmentation-not-supported"},
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{0,NULL}
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};
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static const value_string
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BACnetLifeSafetyMode [] = {
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{0,"off"},
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{1,"on"},
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{2,"test"},
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{3,"manned"},
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{4,"unmanned"},
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{5,"armed"},
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{6,"disarmed"},
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{7,"prearmed"},
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{8,"slow"},
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{9,"fast"},
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{10,"disconnected"},
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{11,"enabled"},
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{12,"disabled"},
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{13,"atomic-release-disabled"},
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{14,"default"},
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{0,NULL}
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/* Enumerated values 0-255 are reserved for definition by ASHRAE.
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Enumerated values 256-65535 may be used by others subject to
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procedures and constraints described in Clause 23. */
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};
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static const value_string
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BACnetLifeSafetyOperation [] = {
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{0,"none"},
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{1,"silence"},
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{2,"silence-audible"},
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{3,"silence-visual"},
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{4,"reset"},
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{5,"reset-alarm"},
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{6,"reset-fault"},
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{7,"unsilence"},
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{8,"unsilence-audible"},
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{9,"unsilence-visual"},
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{0,NULL}
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/* Enumerated values 0-63 are reserved for definition by ASHRAE.
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Enumerated values 64-65535 may be used by others subject to
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procedures and constraints described in Clause 23. */
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};
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static const value_string
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BACnetLimitEnable [] = {
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{0,"lowLimitEnable"},
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{1,"highLimitEnable"},
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{0,NULL}
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};
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static const value_string
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BACnetLifeSafetyState [] = {
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{0,"quiet"},
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{1,"pre-alarm"},
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{2,"alarm"},
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{3,"fault"},
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{4,"fault-pre-alarm"},
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{5,"fault-alarm"},
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{6,"not-ready"},
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{7,"active"},
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{8,"tamper"},
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{9,"test-alarm"},
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{10,"test-active"},
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{11,"test-fault"},
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{12,"test-fault-alarm"},
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{13,"holdup"},
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{14,"duress"},
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{15,"tamper-alarm"},
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{16,"abnormal"},
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{17,"emergency-power"},
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{18,"delayed"},
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{19,"blocked"},
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{20,"local-alarm"},
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{21,"general-alarm"},
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{22,"supervisory"},
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{23,"test-supervisory"},
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{0,NULL}
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/* Enumerated values 0-255 are reserved for definition by ASHRAE.
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Enumerated values 256-65535 may be used by others subject to
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procedures and constraints described in Clause 23. */
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};
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static const value_string
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BACnetConfirmedServiceChoice [] = {
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{0,"acknowledgeAlarm"},
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{1,"confirmedCOVNotification"},
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{2,"confirmedEventNotification"},
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{3,"getAlarmSummary"},
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{4,"getEnrollmentSummary"},
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{5,"subscribeCOV"},
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{6,"atomicReadFile"},
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{7,"atomicWriteFile"},
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{8,"addListElement"},
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{9,"removeListElement"},
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{10,"createObject"},
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{11,"deleteObject"},
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{12,"readProperty"},
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{13,"readPropertyConditional"},
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{14,"readPropertyMultiple"},
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{15,"writeProperty"},
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{16,"writePropertyMultiple"},
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{17,"deviceCommunicationControl"},
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{18,"confirmedPrivateTransfer"},
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{19,"confirmedTextMessage"},
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{20,"reinitializeDevice"},
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{21,"vtOpen"},
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{22,"vtClose"},
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{23,"vtData"},
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{24,"authenticate"},
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{25,"requestKey"},
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{26,"readRange"},
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{27,"lifeSafetyOperation"},
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{28,"subscribeCOVProperty"},
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{29,"getEventInformation"},
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{30,"reserved by ASHRAE"},
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{0, NULL}
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};
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static const value_string
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BACnetReliability [] = {
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{0,"no-fault-detected"},
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{1,"no-sensor"},
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{2,"over-range"},
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{3,"under-range"},
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{4,"open-loop"},
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{5,"shorted-loop"},
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{6,"no-output"},
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{7,"unreliable-other"},
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{8,"process-error"},
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{9,"multi-state-fault"},
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{0,NULL}
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};
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static const value_string
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BACnetUnconfirmedServiceChoice [] = {
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{0,"i-Am"},
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{1,"i-Have"},
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{2,"unconfirmedCOVNotification"},
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{3,"unconfirmedEventNotification"},
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{4,"unconfirmedPrivateTransfer"},
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{5,"unconfirmedTextMessage"},
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{6,"timeSynchronization"},
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{7,"who-Has"},
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{8,"who-Is"},
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{9,"utcTimeSynchonization"},
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{0,NULL}
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};
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static const value_string
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BACnetUnconfirmedServiceRequest [] = {
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{0,"i-Am-Request"},
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{1,"i-Have-Request"},
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{2,"unconfirmedCOVNotification-Request"},
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{3,"unconfirmedEventNotification-Request"},
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{4,"unconfirmedPrivateTransfer-Request"},
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{5,"unconfirmedTextMessage-Request"},
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{6,"timeSynchronization-Request"},
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{7,"who-Has-Request"},
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{8,"who-Is-Request"},
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{9,"utcTimeSynchonization-Request"},
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{0,NULL}
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};
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static const value_string
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BACnetObjectType [] = {
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{0,"analog-input object"},
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{1,"analog-output object"},
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{2,"analog-value object"},
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{3,"binary-input object"},
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{4,"binary-output object"},
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{5,"binary-value object"},
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{6,"calendar object"},
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{7,"command object"},
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{8,"device object"},
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{9,"event-enrollment object"},
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{10,"file object"},
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{11,"group object"},
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{12,"loop object"},
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{13,"multi-state-input object"},
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{14,"multi-state-output object"},
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{15,"notification-class object"},
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{16,"program object"},
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{17,"schedule object"},
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{18,"averaging object"},
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{19,"multi-state-value object"},
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{20,"trend-log object"},
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{21,"life-safety-point object"},
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{22,"life-safety-zone object"},
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{23,"accumulator object"},
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{24,"pulse-converter object"},
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{0, NULL}
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/* Enumerated values 0-127 are reserved for definition by ASHRAE.
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Enumerated values 128-1023 may be used by others subject to
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the procedures and constraints described in Clause 23. */
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};
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static const value_string
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BACnetEngineeringUnits [] = {
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{0,"Sq Meters"},
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{1,"Sq Feet"},
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{2,"Milliamperes"},
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{3,"Amperes"},
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{4,"Ohms"},
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{5,"Volts"},
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{6,"Kilovolts"},
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{7,"Megavolts"},
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{8,"Volt Amperes"},
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{9,"Kilovolt Amperes"},
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{10,"Megavolt Amperes"},
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{11,"Volt Amperes Reactive"},
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{12,"Kilovolt Amperes Reactive"},
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{13,"Megavolt Amperes Ractive"},
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{14,"Degrees Phase"},
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{15,"Power Factor"},
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{16,"Joules"},
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{17,"Kilojoules"},
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{18,"Watt Hours"},
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{19,"Kilowatt Hours"},
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{20,"BTUs"},
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{21,"Therms"},
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{22,"Ton Hours"},
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{23,"Joules Per Kg Dry Air"},
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{24,"BTUs Per Pound Dry Air"},
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{25,"Cycles Per Hour"},
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{26,"Cycles Per Minute"},
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{27,"Hertz"},
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{28,"Gramms Of Water Per Kilogram Dry Air"},
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{29,"Relative Humidity"},
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{30,"Millimeters"},
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{31,"Meters"},
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{32,"Inches"},
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{33,"Feed"},
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{34,"Watts Per Sq Foot"},
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{35,"Watts Per Sq meter"},
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{36,"Lumens"},
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{37,"Lux"},
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{38,"Foot Candels"},
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{39,"Kilograms"},
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{40,"Pounds Mass"},
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{41,"Tons"},
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{42,"Kgs per Second"},
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{43,"Kgs Per Minute"},
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{44,"Kgs Per Hour"},
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{45,"Pounds Mass Per Minute"},
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{46,"Pounds Mass Per Hour"},
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{47,"Watt"},
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{48,"Kilowatts"},
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{49,"Megawatts"},
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{50,"BTUs Per Hour"},
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{51,"Horsepower"},
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{52,"Tons Refrigeration"},
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{53,"Pascals"},
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{54,"Kilopascals"},
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{55,"Bars"},
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{56,"Pounds Force Per Square Inch"},
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{57,"Centimeters Of Water"},
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{58,"Inches Of Water"},
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{59,"Millimeters Of Mercury"},
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{60,"Centimeters Of Mercury"},
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{61,"Inches Of Mercury"},
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{62,"Degrees Celsius"},
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{63,"Degress Kelvin"},
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{64,"Degrees Fahrenheit"},
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{65,"Degree Days Celsius"},
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{66,"Degree Days Fahrenheit"},
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{67,"Years"},
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{68,"Months"},
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{69,"Weeks"},
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{70,"Days"},
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{71,"Hours"},
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{72,"Minutes"},
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{73,"Seconds"},
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{74,"Meters Per Second"},
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{75,"Kilometers Per Hour"},
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{76,"Feed Per Second"},
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{77,"Feet Per Minute"},
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{78,"Miles Per Hour"},
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{79,"Cubic Feet"},
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{80,"Cubic Meters"},
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{81,"Imperial Gallons"},
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{82,"Liters"},
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{83,"US Gallons"},
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{84,"Cubic Feet Per Minute"},
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{85,"Cubic Meters Per Second"},
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{86,"Imperial Gallons Per Minute"},
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{87,"Liters Per Second"},
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{88,"Liters Per Minute"},
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{89,"US Gallons Per Minute"},
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{90,"Degrees Angular"},
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{91,"Degrees Celsius Per Hour"},
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{92,"Degrees Celsius Per Minute"},
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{93,"Degrees Fahrenheit Per Hour"},
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{94,"Degrees Fahrenheit Per Minute"},
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{95,"No Units"},
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{96,"Parts Per Million"},
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{97,"Parts Per Billion"},
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{98,"Percent"},
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{99,"Pecent Per Second"},
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{100,"Per Minute"},
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{101,"Per Second"},
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{102,"Psi Per Degree Fahrenheit"},
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{103,"Radians"},
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{104,"Revolutions Per Min"},
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{105,"Currency1"},
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{106,"Currency2"},
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{107,"Currency3"},
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{108,"Currency4"},
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{109,"Currency5"},
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{110,"Currency6"},
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{111,"Currency7"},
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{112,"Currency8"},
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{113,"Currency9"},
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{114,"Currency10"},
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{115,"Sq Inches"},
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{116,"Sq Centimeters"},
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{117,"BTUs Per Pound"},
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{118,"Centimeters"},
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{119,"Pounds Mass Per Second"},
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{120,"Delta Degrees Fahrenheit"},
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{121,"Delta Degrees Kelvin"},
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{122,"Kilohms"},
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{123,"Megohms"},
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{124,"Millivolts"},
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{125,"Kilojoules Per Kg"},
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{126,"Megajoules"},
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{127,"Joules Per Degree Kelvin"},
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{128,"Joules Per Kg Degree Kelvin"},
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{129,"Kilohertz"},
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{130,"Megahertz"},
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{131,"Per Hour"},
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{132,"Milliwatts"},
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{133,"Hectopascals"},
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{134,"Millibars"},
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{135,"Cubic Meters Per Hour"},
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{136,"Liters Per Hour"},
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{137,"KWatt Hours Per Square Meter"},
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{138,"KWatt Hours Per Square Foot"},
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{139,"Megajoules Per Square Meter"},
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{140,"Megajoules Per Square Foot"},
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{141,"Watts Per Sq Meter Degree Kelvin"},
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{142,"Cubic Feet Per Second"},
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{143,"Percent Obstruction Per Foot"},
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{144,"Percent Obstruction Per Meter"},
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{145,"milliohms"},
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{146,"megawatt-hours"},
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{147,"kilo-btus"},
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{148,"mega-btus"},
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{149,"kilojoules-per-kilogram-dry-air"},
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{150,"megajoules-per-kilogram-dry-air"},
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{151,"kilojoules-per-degree-Kelvin"},
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{152,"megajoules-per-degree-Kelvin"},
|
|
{153,"newton"},
|
|
{154,"grams-per-second"},
|
|
{155,"grams-per-minute"},
|
|
{156,"tons-per-hour"},
|
|
{157,"kilo-btus-per-hour"},
|
|
{158,"hundredths-seconds"},
|
|
{159,"milliseconds"},
|
|
{160,"newton-meters"},
|
|
{161,"millimeters-per-second"},
|
|
{162,"millimeters-per-minute"},
|
|
{163,"meters-per-minute"},
|
|
{164,"meters-per-hour"},
|
|
{165,"cubic-meters-per-minute"},
|
|
{166,"meters-per-second-per-second"},
|
|
{167,"amperes-per-meter"},
|
|
{168,"amperes-per-square-meter"},
|
|
{169,"ampere-square-meters"},
|
|
{170,"farads"},
|
|
{171,"henrys"},
|
|
{172,"ohm-meters"},
|
|
{173,"siemens"},
|
|
{174,"siemens-per-meter"},
|
|
{175,"teslas"},
|
|
{176,"volts-per-degree-Kelvin"},
|
|
{177,"volts-per-meter"},
|
|
{178,"webers"},
|
|
{179,"candelas"},
|
|
{180,"candelas-per-square-meter"},
|
|
{181,"degrees-Kelvin-per-hour"},
|
|
{182,"degrees-Kelvin-per-minute"},
|
|
{183,"joule-seconds"},
|
|
{184,"radians-per-second"},
|
|
{185,"square-meters-per-Newton"},
|
|
{186,"kilograms-per-cubic-meter"},
|
|
{187,"newton-seconds"},
|
|
{188,"newtons-per-meter"},
|
|
{189,"watts-per-meter-per-degree-Kelvin"},
|
|
{0,NULL}
|
|
/* Enumerated values 0-255 are reserved for definition by ASHRAE.
|
|
Enumerated values 256-65535 may be used by others subject to
|
|
the procedures and constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetErrorCode [] = {
|
|
{0,"other"},
|
|
{1,"authentication-failed"},
|
|
{2,"character-set-not-supported"},
|
|
{3,"configuration-in-progress"},
|
|
{4,"device-busy"},
|
|
{5,"file-access-denied"},
|
|
{6,"incompatible-security-levels"},
|
|
{7,"inconsistent-parameters"},
|
|
{8,"inconsistent-selection-criterion"},
|
|
{9,"invalid-data-type"},
|
|
{10,"invalid-file-access-method"},
|
|
{11,"invalid-file-start-position"},
|
|
{12,"invalid-operator-name"},
|
|
{13,"invalid-parameter-data-type"},
|
|
{14,"invalid-time-stamp"},
|
|
{15,"key-generation-error"},
|
|
{16,"missing-required-parameter"},
|
|
{17,"no-objects-of-specified-type"},
|
|
{18,"no-space-for-object"},
|
|
{19,"no-space-to-add-list-element"},
|
|
{20,"no-space-to-write-property"},
|
|
{21,"no-vt-sessions-available"},
|
|
{22,"property-is-not-a-list"},
|
|
{23,"object-deletion-not-permitted"},
|
|
{24,"object-identifier-already-exists"},
|
|
{25,"operational-problem"},
|
|
{26,"password-failure"},
|
|
{27,"read-access-denied"},
|
|
{28,"security-not-supported"},
|
|
{29,"service-request-denied"},
|
|
{30,"timeout"},
|
|
{31,"unknown-object"},
|
|
{32,"unknown-property"},
|
|
{33,"removed enumeration"},
|
|
{34,"unknown-vt-class"},
|
|
{35,"unknown-vt-session"},
|
|
{36,"unsupported-object-type"},
|
|
{37,"value-out-of-range"},
|
|
{38,"vt-session-already-closed"},
|
|
{39,"vt-session-termination-failure"},
|
|
{40,"write-access-denied"},
|
|
{41,"character-set-not-supported"},
|
|
{42,"invalid-array-index"},
|
|
{43,"cov-subscription-failed"},
|
|
{44,"not-cov-property"},
|
|
{45,"optional-functionaltity-not-supported"},
|
|
{46,"invalid-configuration-data"},
|
|
{47,"datatype-not-supported"},
|
|
{48,"duplicate-name"},
|
|
{49,"duplicate-object-id"},
|
|
{50,"property-is-not-an-array"},
|
|
{0, NULL}
|
|
/* Enumerated values 0-255 are reserved for definition by ASHRAE.
|
|
Enumerated values 256-65535 may be used by others subject to the
|
|
procedures and constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetPropertyIdentifier [] = {
|
|
{0,"acked-transition"},
|
|
{1,"ack-required"},
|
|
{2,"action"},
|
|
{3,"action-text"},
|
|
{4,"active-text"},
|
|
{5,"active-vt-session"},
|
|
{6,"alarm-value"},
|
|
{7,"alarm-values"},
|
|
{8,"all"},
|
|
{9,"all-write-successful"},
|
|
{10,"apdu-segment-timeout"},
|
|
{11,"apdu-timeout"},
|
|
{12,"application-software-version"},
|
|
{13,"archive"},
|
|
{14,"bias"},
|
|
{15,"change-of-state-count"},
|
|
{16,"change-of-state-time"},
|
|
{17,"notification-class"},
|
|
{18,"the property in this place was deleted"},
|
|
{19,"controlled-variable-reference"},
|
|
{20,"controlled-variable-units"},
|
|
{21,"controlled-variable-value"},
|
|
{22,"cov-increment"},
|
|
{23,"datelist"},
|
|
{24,"daylights-savings-status"},
|
|
{25,"deadband"},
|
|
{26,"derivative-constant"},
|
|
{27,"derivative-constant-units"},
|
|
{28,"description"},
|
|
{29,"description-of-halt"},
|
|
{30,"device-address-binding"},
|
|
{31,"device-type"},
|
|
{32,"effective-period"},
|
|
{33,"elapsed-active-time"},
|
|
{34,"error-limit"},
|
|
{35,"event-enable"},
|
|
{36,"event-state"},
|
|
{37,"event-type"},
|
|
{38,"exception-schedule"},
|
|
{39,"fault-values"},
|
|
{40,"feedback-value"},
|
|
{41,"file-access-method"},
|
|
{42,"file-size"},
|
|
{43,"file-type"},
|
|
{44,"firmware-revision"},
|
|
{45,"high-limit"},
|
|
{46,"inactive-text"},
|
|
{47,"in-progress"},
|
|
{48,"instance-of"},
|
|
{49,"integral-constant"},
|
|
{50,"integral-constant-units"},
|
|
{51,"issue-confirmed-notifications"},
|
|
{52,"limit-enable"},
|
|
{53,"list-of-group-members"},
|
|
{54,"list-of-object-property-references"},
|
|
{55,"list-of-session-keys"},
|
|
{56,"local-date"},
|
|
{57,"local-time"},
|
|
{58,"location"},
|
|
{59,"low-limit"},
|
|
{60,"manipulated-variable-reference"},
|
|
{61,"maximum-output"},
|
|
{62,"max-apdu-length-accepted"},
|
|
{63,"max-info-frames"},
|
|
{64,"max-master"},
|
|
{65,"max-pres-value"},
|
|
{66,"minimum-off-time"},
|
|
{67,"minimum-on-time"},
|
|
{68,"minimum-output"},
|
|
{69,"min-pres-value"},
|
|
{70,"model-name"},
|
|
{71,"modification-date"},
|
|
{72,"notify-type"},
|
|
{73,"number-of-APDU-retries"},
|
|
{74,"number-of-states"},
|
|
{75,"object-identifier"},
|
|
{76,"object-list"},
|
|
{77,"object-name"},
|
|
{78,"object-property-reference"},
|
|
{79,"object-type"},
|
|
{80,"optional"},
|
|
{81,"out-of-service"},
|
|
{82,"output-units"},
|
|
{83,"event-parameters"},
|
|
{84,"polarity"},
|
|
{85,"present-value"},
|
|
{86,"priority"},
|
|
{87,"priority-array"},
|
|
{88,"priority-for-writing"},
|
|
{89,"process-identifier"},
|
|
{90,"program-change"},
|
|
{91,"program-location"},
|
|
{92,"program-state"},
|
|
{93,"proportional-constant"},
|
|
{94,"proportional-constant-units"},
|
|
{95,"protocol-conformance-class"},
|
|
{96,"protocol-object-types-supported"},
|
|
{97,"protocol-services-supported"},
|
|
{98,"protocol-version"},
|
|
{99,"read-only"},
|
|
{100,"reason-for-halt"},
|
|
{101,"recipient"},
|
|
{102,"recipient-list"},
|
|
{103,"reliability"},
|
|
{104,"relinquish-default"},
|
|
{105,"required"},
|
|
{106,"resolution"},
|
|
{107,"segmentation-supported"},
|
|
{108,"setpoint"},
|
|
{109,"setpoint-reference"},
|
|
{110,"state-text"},
|
|
{111,"status-flags"},
|
|
{112,"system-status"},
|
|
{113,"time-delay"},
|
|
{114,"time-of-active-time-reset"},
|
|
{115,"time-of-state-count-reset"},
|
|
{116,"time-synchronization-recipients"},
|
|
{117,"units"},
|
|
{118,"update-interval"},
|
|
{119,"utc-offset"},
|
|
{120,"vendor-identifier"},
|
|
{121,"vendor-name"},
|
|
{122,"vt-class-supported"},
|
|
{123,"weekly-schedule"},
|
|
{124,"attempted-samples"},
|
|
{125,"average-value"},
|
|
{126,"buffer-size"},
|
|
{127,"client-cov-increment"},
|
|
{128,"cov-resubscription-interval"},
|
|
{129,"current-notify-time"},
|
|
{130,"event-time-stamp"},
|
|
{131,"log-buffer"},
|
|
{132,"log-device-object-property"},
|
|
{133,"log-enable"},
|
|
{134,"log-interval"},
|
|
{135,"maximum-value"},
|
|
{136,"minimum-value"},
|
|
{137,"notification-threshold"},
|
|
{138,"previous-notify-time"},
|
|
{139,"protocol-revision"},
|
|
{140,"records-since-notification"},
|
|
{141,"record-count"},
|
|
{142,"start-time"},
|
|
{143,"stop-time"},
|
|
{144,"stop-when-full"},
|
|
{145,"total-record-count"},
|
|
{146,"valid-samples"},
|
|
{147,"window-interval"},
|
|
{148,"window-samples"},
|
|
{149,"maximum-value-time-stamp"},
|
|
{150,"minimum-value-time-stamp"},
|
|
{151,"variance-value"},
|
|
{152,"active-cov-subscriptions"},
|
|
{153,"backup-failure-timeout"},
|
|
{154,"configuration-files"},
|
|
{155,"database-revision"},
|
|
{156,"direct-reading"},
|
|
{157,"last-restore-time"},
|
|
{158,"maintenance-required"},
|
|
{159,"member-of"},
|
|
{160,"mode"},
|
|
{161,"operation-expected"},
|
|
{162,"setting"},
|
|
{163,"silenced"},
|
|
{164,"tracking-value"},
|
|
{165,"zone-members"},
|
|
{166,"life-safety-alarm-values"},
|
|
{167,"max-segments-accepted"},
|
|
{168,"profile-name"},
|
|
{169,"auto-slave-discovery"},
|
|
{170,"manual-slave-address-binding"},
|
|
{171,"slave-address-binding"},
|
|
{172,"slave-proxy-enable"},
|
|
{173,"last-notify-time"},
|
|
{174,"schedule-default"},
|
|
{175,"accepted-modes"},
|
|
{176,"adjust-value"},
|
|
{177,"count"},
|
|
{178,"count-before-change"},
|
|
{179,"count-change-time"},
|
|
{180,"cov-period"},
|
|
{181,"input-reference"},
|
|
{182,"limit-monitoring-interval"},
|
|
{183,"logging-device"},
|
|
{184,"logging-record"},
|
|
{185,"prescale"},
|
|
{186,"pulse-rate"},
|
|
{187,"scale"},
|
|
{188,"scale-factor"},
|
|
{189,"update-time"},
|
|
{190,"value-before-change"},
|
|
{191,"value-set"},
|
|
{192,"value-change-time"},
|
|
{0, NULL}
|
|
/* Enumerated values 0-511 are reserved for definition by ASHRAE.
|
|
Enumerated values 512-4194303 may be used by others subject to
|
|
the procedures and constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetBinaryPV [] = {
|
|
{0,"inactive"},
|
|
{1,"active"},
|
|
{0,NULL}
|
|
};
|
|
|
|
|
|
static const value_string
|
|
BACnetCharacterSet [] = {
|
|
{0,"ANSI X3.4"},
|
|
{1,"IBM/Microsoft DBCS"},
|
|
{2,"JIS C 6226"},
|
|
{3,"ISO 10646(UCS-4)"},
|
|
{4,"ISO 10646(UCS-2)"},
|
|
{5,"ISO 18859-1"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetStatusFlags [] = {
|
|
{0,"in-alarm"},
|
|
{1,"fault"},
|
|
{2,"overridden"},
|
|
{3,"out-of-service"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetMessagePriority [] = {
|
|
{0,"normal"},
|
|
{1,"urgent"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetAcknowledgementFilter [] = {
|
|
{0,"all"},
|
|
{1,"acked"},
|
|
{2,"not-acked"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetResultFlags [] = {
|
|
{0,"firstitem"},
|
|
{1,"lastitem"},
|
|
{2,"moreitems"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetRelationSpecifier [] = {
|
|
{0,"equal"},
|
|
{1,"not-equal"},
|
|
{2,"less-than"},
|
|
{3,"greater-than"},
|
|
{4,"less-than-or-equal"},
|
|
{5,"greater-than-or-equal"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetSelectionLogic [] = {
|
|
{0,"and"},
|
|
{1,"or"},
|
|
{2,"all"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetEventStateFilter [] = {
|
|
{0,"offnormal"},
|
|
{1,"fault"},
|
|
{2,"normal"},
|
|
{3,"all"},
|
|
{4,"active"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetEventTransitionBits [] = {
|
|
{0,"to-offnormal"},
|
|
{1,"to-fault"},
|
|
{2,"to-normal"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetSegmentation [] = {
|
|
{0,"segmented-both"},
|
|
{1,"segmented-transmit"},
|
|
{2,"segmented-receive"},
|
|
{3,"no-segmentation"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetSilencedState [] = {
|
|
{0,"unsilenced"},
|
|
{1,"audible-silenced"},
|
|
{2,"visible-silenced"},
|
|
{3,"all-silenced"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetDeviceStatus [] = {
|
|
{0,"operational"},
|
|
{1,"operational-read-only"},
|
|
{2,"download-required"},
|
|
{3,"download-in-progress"},
|
|
{4,"non-operational"},
|
|
{5,"backup-in-progress"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetEnableDisable [] = {
|
|
{0,"enable"},
|
|
{1,"disable"},
|
|
{2,"disable-initiation"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
months [] = {
|
|
{1,"January" },
|
|
{2,"February" },
|
|
{3,"March" },
|
|
{4,"April" },
|
|
{5,"May" },
|
|
{6,"June" },
|
|
{7,"July" },
|
|
{8,"August" },
|
|
{9,"September" },
|
|
{10,"October" },
|
|
{11,"November" },
|
|
{12,"December" },
|
|
{255,"any month" },
|
|
{0,NULL }
|
|
};
|
|
|
|
static const value_string
|
|
weekofmonth [] = {
|
|
{1,"days numbered 1-7" },
|
|
{2,"days numbered 8-14" },
|
|
{3,"days numbered 15-21" },
|
|
{4,"days numbered 22-28" },
|
|
{5,"days numbered 29-31" },
|
|
{6,"last 7 days of this month" },
|
|
{255,"any week of this month" },
|
|
{0,NULL }
|
|
};
|
|
|
|
static const value_string
|
|
days [] = {
|
|
{1,"Monday" },
|
|
{2,"Tuesday" },
|
|
{3,"Wednesday" },
|
|
{4,"Thursday" },
|
|
{5,"Friday" },
|
|
{6,"Saturday" },
|
|
{7,"Sunday" },
|
|
{255,"any day of week" },
|
|
{0,NULL },
|
|
};
|
|
|
|
static const value_string
|
|
BACnetErrorClass [] = {
|
|
{0,"device" },
|
|
{1,"object" },
|
|
{2,"property" },
|
|
{3,"resources" },
|
|
{4,"security" },
|
|
{5,"services" },
|
|
{6,"vt" },
|
|
{0,NULL },
|
|
/* Enumerated values 0-63 are reserved for definition by ASHRAE.
|
|
Enumerated values64-65535 may be used by others subject to
|
|
the procedures and constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetVTClass [] = {
|
|
{0,"default-terminal" },
|
|
{1,"ansi-x3-64" },
|
|
{2,"dec-vt52" },
|
|
{3,"dec-vt100" },
|
|
{4,"dec-vt200" },
|
|
{5,"hp-700-94" },
|
|
{6,"ibm-3130" },
|
|
{0,NULL },
|
|
};
|
|
|
|
static const value_string
|
|
BACnetEventType [] = {
|
|
{0,"change-of-bitstring" },
|
|
{1,"change-of-state" },
|
|
{2,"change-of-value" },
|
|
{3,"command-failure" },
|
|
{4,"floating-limit" },
|
|
{5,"out-of-range" },
|
|
{6,"complex-event-type" },
|
|
{7,"buffer-ready" },
|
|
{8,"change-of-life-safety" },
|
|
{9,"extended" },
|
|
{10,"buffer-ready" },
|
|
{11,"unsigned-range" },
|
|
{0,NULL },
|
|
/* Enumerated values 0-63 are reserved for definition by ASHRAE.
|
|
Enumerated values 64-65535 may be used by others subject to
|
|
the procedures and constraints described in Clause 23.
|
|
It is expected that these enumerated values will correspond
|
|
to the use of the complex-event-type CHOICE [6] of the
|
|
BACnetNotificationParameters production. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetEventState [] = {
|
|
{0,"normal" },
|
|
{1,"fault" },
|
|
{2,"offnormal" },
|
|
{3,"high-limit" },
|
|
{4,"low-limit" },
|
|
{5,"life-safety-alarm" },
|
|
{0,NULL },
|
|
/* Enumerated values 0-63 are reserved for definition by ASHRAE.
|
|
Enumerated values 64-65535 may be used by others subject to
|
|
the procedures and constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetLogStatus [] = {
|
|
{0,"log-disabled" },
|
|
{1,"buffer-purged" },
|
|
{0,NULL },
|
|
};
|
|
|
|
static const value_string
|
|
BACnetMaintenance [] = {
|
|
{0,"none" },
|
|
{1,"periodic-test" },
|
|
{2,"need-service-operational" },
|
|
{3,"need-service-inoperative" },
|
|
{0,NULL },
|
|
};
|
|
|
|
static const value_string
|
|
BACnetNotifyType [] = {
|
|
{0,"alarm" },
|
|
{1,"event" },
|
|
{2,"ack-notification" },
|
|
{0,NULL },
|
|
};
|
|
|
|
static const value_string
|
|
BACnetServicesSupported [] = {
|
|
{0,"acknowledgeAlarm"},
|
|
{1,"confirmedCOVNotification"},
|
|
{2,"confirmedEventNotification"},
|
|
{3,"getAlarmSummary"},
|
|
{4,"getEnrollmentSummary"},
|
|
{5,"subscribeCOV"},
|
|
{6,"atomicReadFile"},
|
|
{7,"atomicWriteFile"},
|
|
{8,"addListElement"},
|
|
{9,"removeListElement"},
|
|
{10,"createObject"},
|
|
{11,"deleteObject"},
|
|
{12,"readProperty"},
|
|
{13,"readPropertyConditional"},
|
|
{14,"readPropertyMultiple"},
|
|
{15,"writeProperty"},
|
|
{16,"writePropertyMultiple"},
|
|
{17,"deviceCommunicationControl"},
|
|
{18,"confirmedPrivateTransfer"},
|
|
{19,"confirmedTextMessage"},
|
|
{20,"reinitializeDevice"},
|
|
{21,"vtOpen"},
|
|
{22,"vtClose"},
|
|
{23,"vtData"},
|
|
{24,"authenticate"},
|
|
{25,"requestKey"},
|
|
{26,"i-Am"},
|
|
{27,"i-Have"},
|
|
{28,"unconfirmedCOVNotification"},
|
|
{29,"unconfirmedEventNotification"},
|
|
{30,"unconfirmedPrivateTransfer"},
|
|
{31,"unconfirmedTextMessage"},
|
|
{32,"timeSynchronization"},
|
|
{33,"who-Has"},
|
|
{34,"who-Is"},
|
|
{35,"readRange"},
|
|
{36,"utcTimeSynchronization"},
|
|
{37,"lifeSafetyOperation"},
|
|
{38,"subscribeCOVProperty"},
|
|
{39,"getEventInformation"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetPropertyStates [] = {
|
|
{0,"boolean-value"},
|
|
{1,"binary-value"},
|
|
{2,"event-type"},
|
|
{3,"polarity"},
|
|
{4,"program-change"},
|
|
{5,"program-state"},
|
|
{6,"reason-for-halt"},
|
|
{7,"reliability"},
|
|
{8,"state"},
|
|
{9,"system-status"},
|
|
{10,"units"},
|
|
{11,"unsigned-value"},
|
|
{12,"life-safety-mode"},
|
|
{13,"life-safety-state"},
|
|
{0,NULL}
|
|
/* Tag values 0-63 are reserved for definition by ASHRAE.
|
|
Tag values of 64-254 may be used by others to accommodate
|
|
vendor specific properties that have discrete or enumerated values,
|
|
subject to the constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetProgramError [] = {
|
|
{0,"normal"},
|
|
{1,"load-failed"},
|
|
{2,"internal"},
|
|
{3,"program"},
|
|
{4,"other"},
|
|
{0,NULL}
|
|
/* Enumerated values 0-63 are reserved for definition by ASHRAE.
|
|
Enumerated values 64-65535 may be used by others subject to
|
|
the procedures and constraints described in Clause 23. */
|
|
};
|
|
|
|
static const value_string
|
|
BACnetProgramRequest [] = {
|
|
{0,"ready"},
|
|
{1,"load"},
|
|
{2,"run"},
|
|
{3,"halt"},
|
|
{4,"restart"},
|
|
{4,"unload"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetProgramState [] = {
|
|
{0,"idle"},
|
|
{1,"loading"},
|
|
{2,"running"},
|
|
{3,"waiting"},
|
|
{4,"halted"},
|
|
{4,"unloading"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetReinitializedStateOfDevice [] = {
|
|
{0,"coldstart"},
|
|
{1,"warmstart"},
|
|
{2,"startbackup"},
|
|
{3,"endbackup"},
|
|
{4,"startrestore"},
|
|
{5,"endrestore"},
|
|
{6,"abortrestore"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetPolarity [] = {
|
|
{0,"normal"},
|
|
{1,"reverse"},
|
|
{0,NULL}
|
|
};
|
|
|
|
static const value_string
|
|
BACnetTagNames[] = {
|
|
{ 5, "Extended Value" },
|
|
{ 6, "Opening Tag" },
|
|
{ 7, "Closing Tag" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int proto_bacapp = -1;
|
|
static int hf_bacapp_type = -1;
|
|
static int hf_bacapp_pduflags = -1;
|
|
static int hf_bacapp_SEG = -1;
|
|
static int hf_bacapp_MOR = -1;
|
|
static int hf_bacapp_SA = -1;
|
|
static int hf_bacapp_response_segments = -1;
|
|
static int hf_bacapp_max_adpu_size = -1;
|
|
static int hf_bacapp_invoke_id = -1;
|
|
static int hf_bacapp_objectType = -1;
|
|
static int hf_bacapp_instanceNumber = -1;
|
|
static int hf_bacapp_sequence_number = -1;
|
|
static int hf_bacapp_window_size = -1;
|
|
static int hf_bacapp_service = -1;
|
|
static int hf_bacapp_NAK = -1;
|
|
static int hf_bacapp_SRV = -1;
|
|
static int hf_BACnetRejectReason = -1;
|
|
static int hf_BACnetAbortReason = -1;
|
|
static int hf_BACnetApplicationTagNumber = -1;
|
|
static int hf_BACnetContextTagNumber = -1;
|
|
static int hf_BACnetExtendedTagNumber = -1;
|
|
static int hf_BACnetNamedTag = -1;
|
|
static int hf_BACnetTagClass = -1;
|
|
static int hf_BACnetCharacterSet = -1;
|
|
static int hf_bacapp_tag = -1;
|
|
static int hf_bacapp_tag_lvt = -1;
|
|
static int hf_bacapp_tag_value8 = -1;
|
|
static int hf_bacapp_tag_value16 = -1;
|
|
static int hf_bacapp_tag_value32 = -1;
|
|
static int hf_bacapp_tag_ProcessId = -1;
|
|
static int hf_bacapp_tag_initiatingObjectType = -1;
|
|
static int hf_bacapp_vpart = -1;
|
|
|
|
static int hf_bacapp_uservice = -1;
|
|
|
|
|
|
static gint ett_bacapp = -1;
|
|
static gint ett_bacapp_control = -1;
|
|
static gint ett_bacapp_tag = -1;
|
|
static gint ett_bacapp_list = -1;
|
|
static gint ett_bacapp_value = -1;
|
|
|
|
static dissector_handle_t data_handle;
|
|
static gint32 propertyIdentifier = -1;
|
|
static guint32 object_type = 4096;
|
|
|
|
static guint8 bacapp_flags = 0;
|
|
static guint8 bacapp_seq = 0;
|
|
|
|
/* Used when there are ranges of reserved and proprietary enumerations */
|
|
static const char*
|
|
val_to_split_str(guint32 val, guint32 split_val, const value_string *vs,
|
|
const char *fmt, const char *split_fmt)
|
|
{
|
|
if (val < split_val)
|
|
return val_to_str(val, vs, fmt);
|
|
else
|
|
return val_to_str(val, vs, split_fmt);
|
|
}
|
|
|
|
/* from clause 20.2.1.3.2 Constructed Data */
|
|
/* returns true if the extended value is used */
|
|
static gboolean tag_is_extended_value(guint8 tag)
|
|
{
|
|
return (tag & 0x07) == 5;
|
|
}
|
|
|
|
static gboolean tag_is_opening(guint8 tag)
|
|
{
|
|
return (tag & 0x07) == 6;
|
|
}
|
|
|
|
static gboolean tag_is_closing(guint8 tag)
|
|
{
|
|
return (tag & 0x07) == 7;
|
|
}
|
|
|
|
/* from clause 20.2.1.1 Class
|
|
class bit shall be one for context specific tags */
|
|
/* returns true if the tag is context specific */
|
|
static gboolean tag_is_context_specific(guint8 tag)
|
|
{
|
|
return (tag & 0x08) != 0;
|
|
}
|
|
|
|
static gboolean tag_is_extended_tag_number(guint8 tag)
|
|
{
|
|
return ((tag & 0xF0) == 0xF0);
|
|
}
|
|
|
|
static guint32 object_id_type(guint32 object_identifier)
|
|
{
|
|
return ((object_identifier >> 22) & 0x3FF);
|
|
}
|
|
|
|
static guint32 object_id_instance(guint32 object_identifier)
|
|
{
|
|
return (object_identifier & 0x3FFFFF);
|
|
}
|
|
|
|
static guint
|
|
fTagNo (tvbuff_t *tvb, guint offset)
|
|
{
|
|
return (guint)(tvb_get_guint8(tvb, offset) >> 4);
|
|
}
|
|
|
|
static gboolean
|
|
fUnsigned32 (tvbuff_t *tvb, guint offset, guint32 lvt, guint32 *val)
|
|
{
|
|
gboolean valid = TRUE;
|
|
|
|
switch (lvt) {
|
|
case 1:
|
|
*val = tvb_get_guint8(tvb, offset);
|
|
break;
|
|
case 2:
|
|
*val = tvb_get_ntohs(tvb, offset);
|
|
break;
|
|
case 3:
|
|
*val = tvb_get_ntoh24(tvb, offset);
|
|
break;
|
|
case 4:
|
|
*val = tvb_get_ntohl(tvb, offset);
|
|
break;
|
|
default:
|
|
valid = FALSE;
|
|
break;
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
static gboolean
|
|
fUnsigned64 (tvbuff_t *tvb, guint offset, guint32 lvt, guint64 *val)
|
|
{
|
|
gboolean valid = FALSE;
|
|
gint64 value = 0;
|
|
guint8 data, i;
|
|
|
|
if (lvt && (lvt <= 8)) {
|
|
valid = TRUE;
|
|
data = tvb_get_guint8(tvb, offset);
|
|
for (i = 0; i < lvt; i++) {
|
|
data = tvb_get_guint8(tvb, offset+i);
|
|
value = (value << 8) + data;
|
|
}
|
|
*val = value;
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
/* BACnet Signed Value uses 2's compliment notation, but with a twist:
|
|
All signed integers shall be encoded in the smallest number of octets
|
|
possible. That is, the first octet of any multi-octet encoded value
|
|
shall not be X'00' if the most significant bit (bit 7) of the second
|
|
octet is 0, and the first octet shall not be X'FF' if the most
|
|
significant bit of the second octet is 1. ASHRAE-135-2004-20.2.5 */
|
|
static gboolean
|
|
fSigned64 (tvbuff_t *tvb, guint offset, guint32 lvt, gint64 *val)
|
|
{
|
|
gboolean valid = FALSE;
|
|
gint64 value = 0;
|
|
guint8 data, i;
|
|
|
|
/* we can only handle 7 bytes for a 64-bit value due to signed-ness */
|
|
if (lvt && (lvt <= 7)) {
|
|
valid = TRUE;
|
|
data = tvb_get_guint8(tvb, offset);
|
|
if ((data & 0x80) != 0)
|
|
value = (-1 << 8) | data;
|
|
else
|
|
value = data;
|
|
for (i = 1; i < lvt; i++) {
|
|
data = tvb_get_guint8(tvb, offset+i);
|
|
value = (value << 8) + data;
|
|
}
|
|
*val = value;
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
static guint
|
|
fTagHeaderTree (tvbuff_t *tvb, proto_tree *tree, guint offset,
|
|
guint8 *tag_no, guint8* tag_info, guint32 *lvt)
|
|
{
|
|
guint8 tag;
|
|
guint8 value;
|
|
guint tag_len = 1;
|
|
guint lvt_len = 1; /* used for tree display of lvt */
|
|
guint lvt_offset; /* used for tree display of lvt */
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
lvt_offset = offset;
|
|
tag = tvb_get_guint8(tvb, offset);
|
|
*tag_info = 0;
|
|
*lvt = tag & 0x07;
|
|
/* To solve the problem of lvt values of 6/7 being indeterminate - it */
|
|
/* can mean open/close tag or length of 6/7 after the length is */
|
|
/* computed below - store whole tag info, not just context bit. */
|
|
if (tag_is_context_specific(tag)) *tag_info = tag & 0x0F;
|
|
*tag_no = tag >> 4;
|
|
if (tag_is_extended_tag_number(tag)) {
|
|
*tag_no = tvb_get_guint8(tvb, offset + tag_len++);
|
|
}
|
|
if (tag_is_extended_value(tag)) { /* length is more than 4 Bytes */
|
|
lvt_offset += tag_len;
|
|
value = tvb_get_guint8(tvb, lvt_offset);
|
|
tag_len++;
|
|
if (value == 254) { /* length is encoded with 16 Bits */
|
|
*lvt = tvb_get_ntohs(tvb, lvt_offset+1);
|
|
tag_len += 2;
|
|
lvt_len += 2;
|
|
} else if (value == 255) { /* length is encoded with 32 Bits */
|
|
*lvt = tvb_get_ntohl(tvb, lvt_offset+1);
|
|
tag_len += 4;
|
|
lvt_len += 4;
|
|
} else
|
|
*lvt = value;
|
|
}
|
|
if (tree)
|
|
{
|
|
if (tag_is_closing(tag) || tag_is_opening(tag))
|
|
ti = proto_tree_add_text(tree, tvb, offset, tag_len,
|
|
"%s: %u", match_strval(
|
|
tag & 0x07, BACnetTagNames),
|
|
*tag_no);
|
|
else if (tag_is_context_specific(tag)) {
|
|
ti = proto_tree_add_text(tree, tvb, offset, tag_len,
|
|
"Context Tag: %u, Length/Value/Type: %u",
|
|
*tag_no, *lvt);
|
|
} else
|
|
ti = proto_tree_add_text(tree, tvb, offset, tag_len,
|
|
"Application Tag: %s, Length/Value/Type: %u",
|
|
val_to_str(*tag_no,
|
|
BACnetApplicationTagNumber,
|
|
ASHRAE_Reserved_Fmt),
|
|
*lvt);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
/* details if needed */
|
|
proto_tree_add_item(subtree, hf_BACnetTagClass, tvb, offset, 1, FALSE);
|
|
if (tag_is_extended_tag_number(tag)) {
|
|
proto_tree_add_uint_format(subtree,
|
|
hf_BACnetContextTagNumber,
|
|
tvb, offset, 1, tag,
|
|
"Extended Tag Number");
|
|
proto_tree_add_item(subtree,
|
|
hf_BACnetExtendedTagNumber,
|
|
tvb, offset + 1, 1, FALSE);
|
|
} else {
|
|
if (tag_is_context_specific(tag))
|
|
proto_tree_add_item(subtree,
|
|
hf_BACnetContextTagNumber,
|
|
tvb, offset, 1, FALSE);
|
|
else
|
|
proto_tree_add_item(subtree,
|
|
hf_BACnetApplicationTagNumber,
|
|
tvb, offset, 1, FALSE);
|
|
}
|
|
if (tag_is_closing(tag) || tag_is_opening(tag))
|
|
proto_tree_add_item(subtree,
|
|
hf_BACnetNamedTag,
|
|
tvb, offset, 1, FALSE);
|
|
else if (tag_is_extended_value(tag)) {
|
|
proto_tree_add_item(subtree,
|
|
hf_BACnetNamedTag,
|
|
tvb, offset, 1, FALSE);
|
|
proto_tree_add_uint(subtree, hf_bacapp_tag_lvt,
|
|
tvb, lvt_offset, lvt_len, *lvt);
|
|
} else
|
|
proto_tree_add_uint(subtree, hf_bacapp_tag_lvt,
|
|
tvb, lvt_offset, lvt_len, *lvt);
|
|
}
|
|
|
|
return tag_len;
|
|
}
|
|
|
|
static guint
|
|
fTagHeader (tvbuff_t *tvb, guint offset, guint8 *tag_no, guint8* tag_info,
|
|
guint32 *lvt)
|
|
{
|
|
return fTagHeaderTree (tvb, NULL, offset, tag_no, tag_info, lvt);
|
|
}
|
|
|
|
static guint
|
|
fNullTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
ti = proto_tree_add_text(tree, tvb, offset, 1, "%sNULL", label);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset + 1;
|
|
}
|
|
|
|
static guint
|
|
fBooleanTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt = 0;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
guint bool_len = 1;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_info && lvt == 1)
|
|
{
|
|
lvt = tvb_get_guint8(tvb, offset+1);
|
|
++bool_len;
|
|
}
|
|
|
|
ti = proto_tree_add_text(tree, tvb, offset, bool_len,
|
|
"%s%s", label, lvt == 0 ? "FALSE" : "TRUE");
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset + bool_len;
|
|
}
|
|
|
|
static guint
|
|
fUnsignedTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint64 val = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
/* only support up to an 8 byte (64-bit) integer */
|
|
if (fUnsigned64 (tvb, offset + tag_len, lvt, &val))
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s(Unsigned) %" PRIu64, label, val);
|
|
else
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s - %u octets (Unsigned)", label, lvt);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
/* set split_val to zero when not needed */
|
|
static guint
|
|
fEnumeratedTagSplit (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label,
|
|
const value_string *vs, guint32 split_val)
|
|
{
|
|
guint32 val = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
/* only support up to a 4 byte (32-bit) enumeration */
|
|
if (fUnsigned32 (tvb, offset+tag_len, lvt, &val)) {
|
|
if (vs)
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s %s", label, val_to_split_str(val, split_val, vs,
|
|
ASHRAE_Reserved_Fmt,Vendor_Proprietary_Fmt));
|
|
else
|
|
ti =proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s %u", label, val);
|
|
} else {
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s - %u octets (enumeration)", label, lvt);
|
|
}
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fEnumeratedTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label,
|
|
const value_string *vs)
|
|
{
|
|
return fEnumeratedTagSplit (tvb, tree, offset, label, vs, 0);
|
|
}
|
|
|
|
static guint
|
|
fSignedTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
gint64 val = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (fSigned64 (tvb, offset + tag_len, lvt, &val))
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s(Signed) %" PRId64, label, val);
|
|
else
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s - %u octets (Signed)", label, lvt);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fRealTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
gfloat f_val = 0.0;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader(tvb, offset, &tag_no, &tag_info, &lvt);
|
|
f_val = tvb_get_ntohieee_float(tvb, offset+tag_len);
|
|
ti = proto_tree_add_text(tree, tvb, offset, 4+tag_len,
|
|
"%s%f (Real)", label, f_val);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+4;
|
|
}
|
|
|
|
static guint
|
|
fDoubleTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
gdouble d_val = 0.0;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader(tvb, offset, &tag_no, &tag_info, &lvt);
|
|
d_val = tvb_get_ntohieee_double(tvb, offset+tag_len);
|
|
ti = proto_tree_add_text(tree, tvb, offset, 8+tag_len,
|
|
"%s%lf (Double)", label, d_val);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+8;
|
|
}
|
|
|
|
static guint
|
|
fProcessId (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint32 val = 0, lvt;
|
|
guint8 tag_no, tag_info;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
guint tag_len;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (fUnsigned32 (tvb, offset+tag_len, lvt, &val))
|
|
ti = proto_tree_add_uint(tree, hf_bacapp_tag_ProcessId,
|
|
tvb, offset, lvt+tag_len, val);
|
|
else
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"Process Identifier - %u octets (Signed)", lvt);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fTimeSpan (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint32 val = 0, lvt;
|
|
guint8 tag_no, tag_info;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
guint tag_len;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (fUnsigned32 (tvb, offset+tag_len, lvt, &val))
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s (hh.mm.ss): %d.%02d.%02d%s",
|
|
label,
|
|
(val / 3600), ((val % 3600) / 60), (val % 60),
|
|
val == 0 ? " (indefinite)" : "");
|
|
else
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s - %u octets (Signed)", label, lvt);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fWeekNDay (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint32 month, weekOfMonth, dayOfWeek;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
month = tvb_get_guint8(tvb, offset+tag_len);
|
|
weekOfMonth = tvb_get_guint8(tvb, offset+tag_len+1);
|
|
dayOfWeek = tvb_get_guint8(tvb, offset+tag_len+2);
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len, "%s %s, %s",
|
|
val_to_str(month, months, "month (%d) not found"),
|
|
val_to_str(weekOfMonth, weekofmonth, "week of month (%d) not found"),
|
|
val_to_str(dayOfWeek, days, "day of week (%d) not found"));
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fDate (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint32 year, month, day, weekday;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
year = tvb_get_guint8(tvb, offset+tag_len);
|
|
month = tvb_get_guint8(tvb, offset+tag_len+1);
|
|
day = tvb_get_guint8(tvb, offset+tag_len+2);
|
|
weekday = tvb_get_guint8(tvb, offset+tag_len+3);
|
|
if ((year == 255) && (day == 255) && (month == 255) && (weekday == 255))
|
|
{
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%sany", label);
|
|
}
|
|
else if (year != 255)
|
|
{
|
|
year += 1900;
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s%s %d, %d, (Day of Week = %s)",
|
|
label, val_to_str(month,
|
|
months,
|
|
"month (%d) not found"),
|
|
day, year, val_to_str(weekday,
|
|
days,
|
|
"(%d) not found"));
|
|
}
|
|
else
|
|
{
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s%s %d, any year, (Day of Week = %s)",
|
|
label, val_to_str(month, months, "month (%d) not found"),
|
|
day, val_to_str(weekday, days, "(%d) not found"));
|
|
}
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fTime (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint32 hour, minute, second, msec, lvt;
|
|
guint8 tag_no, tag_info;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
hour = tvb_get_guint8(tvb, offset+tag_len);
|
|
minute = tvb_get_guint8(tvb, offset+tag_len+1);
|
|
second = tvb_get_guint8(tvb, offset+tag_len+2);
|
|
msec = tvb_get_guint8(tvb, offset+tag_len+3);
|
|
if ((hour == 255) && (minute == 255) && (second == 255) && (msec == 255))
|
|
ti = proto_tree_add_text(tree, tvb, offset,
|
|
lvt+tag_len, "%sany", label);
|
|
else
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"%s%d:%02d:%02d.%d %s = %02d:%02d:%02d.%d",
|
|
label,
|
|
hour > 12 ? hour - 12 : hour,
|
|
minute, second, msec,
|
|
hour > 12 ? "P.M." : "A.M.",
|
|
hour, minute, second, msec);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fDateTime (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
if (label != NULL) {
|
|
tt = proto_tree_add_text (subtree, tvb, offset, 1, "%s", label);
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
}
|
|
offset = fDate (tvb,subtree,offset,"Date: ");
|
|
return fTime (tvb,subtree,offset,"Time: ");
|
|
}
|
|
|
|
static guint
|
|
fTimeValue (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) { /* closing Tag, but not for me */
|
|
return offset;
|
|
}
|
|
offset = fTime (tvb,tree,offset,"Time: ");
|
|
offset = fApplicationTypes(tvb, tree, offset, "Value: ");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fCalendaryEntry (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* Date */
|
|
offset = fDate (tvb, tree, offset, "Date: ");
|
|
break;
|
|
case 1: /* dateRange */
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fDateRange (tvb, tree, offset);
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
case 2: /* BACnetWeekNDay */
|
|
offset = fWeekNDay (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fTimeStamp (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no = 0, tag_info = 0;
|
|
guint32 lvt = 0;
|
|
|
|
if (tvb_length_remaining(tvb, offset) > 0) { /* don't loop, it's a CHOICE */
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* time */
|
|
offset = fTime (tvb, tree, offset, "timestamp: ");
|
|
break;
|
|
case 1: /* sequenceNumber */
|
|
offset = fUnsignedTag (tvb, tree, offset, "sequence Number: ");
|
|
break;
|
|
case 2: /* dateTime */
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fDateTime (tvb, tree, offset, "timestamp: ");
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
#if 0
|
|
static guint
|
|
fSetpointReference (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* setpointReference */
|
|
offset = fBACnetObjectPropertyReference (tvb,tree,offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
#endif
|
|
|
|
#if 0
|
|
static guint
|
|
fClientCOV (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (tvb_length_remaining(tvb, offset) > 0) {
|
|
offset = fApplicationTypes(tvb,tree,offset, "increment: ");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fDestination (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (tvb_length_remaining(tvb, offset) > 0) {
|
|
offset = fApplicationTypesEnumerated(tvb,tree,offset,
|
|
"valid Days: ", days);
|
|
offset = fTime (tvb,tree,offset,"from time: ");
|
|
offset = fTime (tvb,tree,offset,"to time: ");
|
|
offset = fRecipient (tvb,tree,offset);
|
|
offset = fProcessId (tvb,tree,offset);
|
|
offset = fApplicationTypes (tvb,tree,offset,
|
|
"issue confirmed notifications: ");
|
|
offset = fApplicationTypesEnumerated (tvb,tree,offset,
|
|
"transitions: ", BACnetEventTransitionBits);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
#endif
|
|
|
|
static guint
|
|
fOctetString (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label, guint32 lvt)
|
|
{
|
|
gchar *tmp;
|
|
guint start = offset;
|
|
guint8 tag_no, tag_info;
|
|
proto_tree* subtree = tree;
|
|
proto_item* ti = 0;
|
|
|
|
offset += fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
if (lvt > 0)
|
|
{
|
|
tmp = tvb_bytes_to_str(tvb, offset, lvt);
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt, "%s %s", label, tmp);
|
|
offset += lvt;
|
|
}
|
|
|
|
if (ti)
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
|
|
fTagHeaderTree(tvb, subtree, start, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAddress (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint offs;
|
|
|
|
offset = fUnsignedTag (tvb, tree, offset, "network-number");
|
|
offs = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (lvt == 0) {
|
|
proto_tree_add_text(tree, tvb, offset, offs, "mac-address: broadcast");
|
|
offset += offs;
|
|
} else
|
|
offset = fOctetString (tvb, tree, offset, "mac-address: ", lvt);
|
|
return offset;
|
|
}
|
|
|
|
#if 0
|
|
static guint
|
|
fSessionKey (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
offset = fOctetString (tvb,tree,offset,"session key: ", 8);
|
|
return fAddress (tvb,tree,offset);
|
|
}
|
|
#endif
|
|
|
|
static guint
|
|
fObjectIdentifier (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_length;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
guint32 object_id;
|
|
|
|
tag_length = fTagHeader(tvb, offset, &tag_no, &tag_info, &lvt);
|
|
object_id = tvb_get_ntohl(tvb,offset+tag_length);
|
|
object_type = object_id_type(object_id);
|
|
ti = proto_tree_add_text(tree, tvb, offset, tag_length + 4,
|
|
"ObjectIdentifier: %s, %u",
|
|
val_to_split_str(object_type,
|
|
128,
|
|
BACnetObjectType,
|
|
ASHRAE_Reserved_Fmt,
|
|
Vendor_Proprietary_Fmt),
|
|
object_id_instance(object_id));
|
|
/* here are the details of how we arrived at the above text */
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset += tag_length;
|
|
proto_tree_add_item(subtree, hf_bacapp_objectType, tvb, offset, 4, FALSE);
|
|
proto_tree_add_item(subtree, hf_bacapp_instanceNumber, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fRecipient (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* device */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* address */
|
|
offset = fAddress (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fRecipientProcess (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* recipient */
|
|
offset = fRecipient (tvb, tree, offset);
|
|
break;
|
|
case 1: /* processId */
|
|
offset = fProcessId (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAddressBinding (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
return fAddress (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fActionCommand (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
switch (tag_no) {
|
|
|
|
case 0: /* deviceIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* objectIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* propertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 3: /* propertyArrayIndex */
|
|
offset = fUnsignedTag (tvb,subtree,offset,"Property Array Index: ");
|
|
break;
|
|
case 4: /* propertyValue */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "propertyValue");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 5: /* priority */
|
|
offset = fUnsignedTag (tvb,subtree,offset,"Priority: ");
|
|
break;
|
|
case 6: /* postDelay */
|
|
offset = fUnsignedTag (tvb,subtree,offset,"Post Delay: ");
|
|
break;
|
|
case 7: /* quitOnFailure */
|
|
offset = fBooleanTag(tvb, subtree, offset,
|
|
"Quit On Failure: ");
|
|
break;
|
|
case 8: /* writeSuccessful */
|
|
offset = fBooleanTag(tvb, subtree, offset,
|
|
"Write Successful: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fActionList (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fActionCommand (tvb,tree,offset);
|
|
}
|
|
|
|
static guint
|
|
fPropertyIdentifier (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
propertyIdentifier = 0; /* global Variable */
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (fUnsigned32 (tvb, offset+tag_len, lvt, (guint32 *)&propertyIdentifier))
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"property Identifier: %s",
|
|
val_to_split_str(propertyIdentifier, 512,
|
|
BACnetPropertyIdentifier,
|
|
ASHRAE_Reserved_Fmt,
|
|
Vendor_Proprietary_Fmt));
|
|
else
|
|
ti = proto_tree_add_text(tree, tvb, offset, lvt+tag_len,
|
|
"Property Identifier - %u octets", lvt);
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset+tag_len+lvt;
|
|
}
|
|
|
|
static guint
|
|
fCharacterString (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint8 tag_no, tag_info, character_set;
|
|
guint32 lvt, l;
|
|
size_t inbytesleft, outbytesleft = 512;
|
|
guint offs, extra = 1;
|
|
guint8 *str_val;
|
|
guint8 bf_arr[512], *out = &bf_arr[0];
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
guint start = offset;
|
|
|
|
if (tvb_length_remaining(tvb, offset) > 0) {
|
|
|
|
offs = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
character_set = tvb_get_guint8(tvb, offset+offs);
|
|
/* Account for code page if DBCS */
|
|
if (character_set == 1)
|
|
{
|
|
extra = 3;
|
|
}
|
|
offset += (offs+extra);
|
|
lvt -= (extra);
|
|
|
|
do {
|
|
l = inbytesleft = min(lvt, 255);
|
|
/*
|
|
* XXX - are we guaranteed that these encoding
|
|
* names correspond, on *all* platforms with
|
|
* iconv(), to the encodings we want?
|
|
* If not (and perhaps even if so), we should
|
|
* perhaps have our own iconv() implementation,
|
|
* with a different name, so that we control the
|
|
* encodings it supports and the names of those
|
|
* encodings.
|
|
*
|
|
* We should also handle that in the general
|
|
* string handling code, rather than making it
|
|
* specific to the BACAPP dissector, as many
|
|
* other dissectors need to handle various
|
|
* character encodings.
|
|
*/
|
|
str_val = tvb_get_ephemeral_string(tvb, offset, l);
|
|
/** this decoding may be not correct for multi-byte characters, Lka */
|
|
switch (character_set) {
|
|
case 0x00: /* ANSI_X3.4 */
|
|
fConvertXXXtoUTF8(str_val, &inbytesleft, out, &outbytesleft, "ANSI_X3.4");
|
|
break;
|
|
case 1: /* IBM/MICROSOFT DBCS */
|
|
out = str_val;
|
|
break;
|
|
case 2: /* JIS C 6226 */
|
|
out = str_val;
|
|
break;
|
|
case 3: /* UCS-4 */
|
|
fConvertXXXtoUTF8(str_val, &inbytesleft, out, &outbytesleft, "UCS-4BE");
|
|
break;
|
|
case 4: /* UCS-2 */
|
|
fConvertXXXtoUTF8(str_val, &inbytesleft, out, &outbytesleft, "UCS-2BE");
|
|
break;
|
|
case 5: /* ISO8859-1 */
|
|
fConvertXXXtoUTF8(str_val, &inbytesleft, out, &outbytesleft, "ISO8859-1");
|
|
break;
|
|
default:
|
|
out = str_val;
|
|
break;
|
|
}
|
|
ti = proto_tree_add_text(tree, tvb, offset, l, "%s'%s'", label, out);
|
|
lvt-=l;
|
|
offset+=l;
|
|
} while (lvt > 0);
|
|
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
|
|
fTagHeaderTree (tvb, subtree, start, &tag_no, &tag_info, &lvt);
|
|
proto_tree_add_item(subtree, hf_BACnetCharacterSet, tvb, start+offs, 1, FALSE);
|
|
if (character_set == 1)
|
|
{
|
|
proto_tree_add_text(subtree, tvb, start+offs+1, 2, "Code Page: %d", tvb_get_ntohs(tvb, start+offs+1));
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fBitStringTagVS (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label,
|
|
const value_string *src)
|
|
{
|
|
guint8 tag_no, tag_info, tmp;
|
|
gint j, unused, skip;
|
|
guint offs;
|
|
guint32 lvt, i, numberOfBytes;
|
|
guint8 bf_arr[256];
|
|
|
|
offs = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
numberOfBytes = lvt-1; /* Ignore byte for unused bit count */
|
|
offset+=offs;
|
|
unused = tvb_get_guint8(tvb, offset); /* get the unused Bits */
|
|
skip = 0;
|
|
for (i = 0; i < numberOfBytes; i++) {
|
|
tmp = tvb_get_guint8(tvb, (offset)+i+1);
|
|
if (i == numberOfBytes-1) { skip = unused; }
|
|
for (j = 0; j < 8-skip; j++) {
|
|
if (src != NULL) {
|
|
if (tmp & (1 << (7 - j)))
|
|
proto_tree_add_text(tree, tvb,
|
|
offset+i+1, 1,
|
|
"%s%s = TRUE",
|
|
label,
|
|
val_to_str((guint) (i*8 +j),
|
|
src,
|
|
ASHRAE_Reserved_Fmt));
|
|
else
|
|
proto_tree_add_text(tree, tvb,
|
|
offset+i+1, 1,
|
|
"%s%s = FALSE",
|
|
label,
|
|
val_to_str((guint) (i*8 +j),
|
|
src,
|
|
ASHRAE_Reserved_Fmt));
|
|
|
|
} else {
|
|
bf_arr[min(255,(i*8)+j)] = tmp & (1 << (7 - j)) ? '1' : '0';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (src == NULL)
|
|
{
|
|
bf_arr[min(255,numberOfBytes*8-unused)] = 0;
|
|
proto_tree_add_text(tree, tvb, offset, lvt, "%sB'%s'", label, bf_arr);
|
|
}
|
|
|
|
offset+=lvt;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fBitStringTag (tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
return fBitStringTagVS (tvb, tree, offset, label, NULL);
|
|
}
|
|
|
|
/* handles generic application types, as well as enumerated and enumerations
|
|
with reserved and proprietarty ranges (split) */
|
|
static guint
|
|
fApplicationTypesEnumeratedSplit (tvbuff_t *tvb, proto_tree *tree, guint offset,
|
|
const gchar *label, const value_string *src, guint32 split_val)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
|
|
if (tvb_length_remaining(tvb, offset) > 0) {
|
|
|
|
tag_len = fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
switch (tag_no) {
|
|
case 0: /** NULL 20.2.2 */
|
|
offset = fNullTag(tvb, tree, offset, label);
|
|
break;
|
|
case 1: /** BOOLEAN 20.2.3 */
|
|
offset = fBooleanTag(tvb, tree, offset, label);
|
|
break;
|
|
case 2: /** Unsigned Integer 20.2.4 */
|
|
offset = fUnsignedTag(tvb, tree, offset, label);
|
|
break;
|
|
case 3: /** Signed Integer 20.2.5 */
|
|
offset = fSignedTag(tvb, tree, offset, label);
|
|
break;
|
|
case 4: /** Real 20.2.6 */
|
|
offset = fRealTag(tvb, tree, offset, label);
|
|
break;
|
|
case 5: /** Double 20.2.7 */
|
|
offset = fDoubleTag(tvb, tree, offset, label);
|
|
break;
|
|
case 6: /** Octet String 20.2.8 */
|
|
offset = fOctetString (tvb, tree, offset, label, lvt);
|
|
break;
|
|
case 7: /** Character String 20.2.9 */
|
|
offset = fCharacterString (tvb,tree,offset,label);
|
|
break;
|
|
case 8: /** Bit String 20.2.10 */
|
|
offset = fBitStringTagVS (tvb, tree, offset, label, src);
|
|
break;
|
|
case 9: /** Enumerated 20.2.11 */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset, label, src, split_val);
|
|
break;
|
|
case 10: /** Date 20.2.12 */
|
|
offset = fDate (tvb, tree, offset, label);
|
|
break;
|
|
case 11: /** Time 20.2.13 */
|
|
offset = fTime (tvb, tree, offset, label);
|
|
break;
|
|
case 12: /** BACnetObjectIdentifier 20.2.14 */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 13: /* reserved for ASHRAE */
|
|
case 14:
|
|
case 15:
|
|
proto_tree_add_text(tree, tvb, offset, lvt+tag_len, "%s'reserved for ASHRAE'", label);
|
|
offset+=lvt+tag_len;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fApplicationTypesEnumerated (tvbuff_t *tvb, proto_tree *tree, guint offset,
|
|
const gchar *label, const value_string *vs)
|
|
{
|
|
return fApplicationTypesEnumeratedSplit(tvb, tree, offset, label, vs, 0);
|
|
}
|
|
|
|
static guint
|
|
fApplicationTypes (tvbuff_t *tvb, proto_tree *tree, guint offset,
|
|
const gchar *label)
|
|
{
|
|
return fApplicationTypesEnumeratedSplit(tvb, tree, offset, label, NULL, 0);
|
|
}
|
|
|
|
static guint
|
|
fContextTaggedValue(tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint tag_len;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
gint tvb_len;
|
|
|
|
(void)label;
|
|
tag_len = fTagHeader(tvb, offset, &tag_no, &tag_info, &lvt);
|
|
/* cap the the suggested length in case of bad data */
|
|
tvb_len = tvb_length_remaining(tvb, offset+tag_len);
|
|
if ((tvb_len >= 0) && ((guint32)tvb_len < lvt))
|
|
{
|
|
lvt = tvb_len;
|
|
}
|
|
ti = proto_tree_add_text(tree, tvb, offset+tag_len, lvt,
|
|
"Context Value (as %u DATA octets)", lvt);
|
|
|
|
subtree = proto_item_add_subtree(ti, ett_bacapp_tag);
|
|
fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset + tag_len + lvt;
|
|
}
|
|
|
|
static guint
|
|
fAbstractSyntaxNType (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint lastoffset = 0, depth = 0;
|
|
char ar[256];
|
|
|
|
if (propertyIdentifier >= 0)
|
|
{
|
|
g_snprintf (ar, sizeof(ar), "%s: ",
|
|
val_to_split_str(propertyIdentifier, 512,
|
|
BACnetPropertyIdentifier,
|
|
ASHRAE_Reserved_Fmt,
|
|
Vendor_Proprietary_Fmt));
|
|
}
|
|
else
|
|
{
|
|
g_snprintf (ar, sizeof(ar), "Abstract Type: ");
|
|
}
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) { /* closing tag, but not for me */
|
|
if (depth <= 0) return offset;
|
|
}
|
|
|
|
/* Application Tags */
|
|
switch (propertyIdentifier) {
|
|
case 2: /* BACnetActionList */
|
|
offset = fActionList (tvb,tree,offset);
|
|
break;
|
|
case 30: /* BACnetAddressBinding */
|
|
offset = fAddressBinding (tvb,tree,offset);
|
|
break;
|
|
case 79: /* object-type */
|
|
case 96: /* protocol-object-types-supported */
|
|
offset = fApplicationTypesEnumeratedSplit (tvb, tree, offset, ar,
|
|
BACnetObjectType, 128);
|
|
break;
|
|
case 97: /* Protocol-Services-Supported */
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset, ar,
|
|
BACnetServicesSupported);
|
|
break;
|
|
case 107: /* segmentation-supported */
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset, ar,
|
|
BACnetSegmentation);
|
|
break;
|
|
case 111: /* Status-Flags */
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset, ar,
|
|
BACnetStatusFlags);
|
|
break;
|
|
case 112: /* System-Status */
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset, ar,
|
|
BACnetDeviceStatus);
|
|
break;
|
|
case 117: /* units */
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset, ar,
|
|
BACnetEngineeringUnits);
|
|
break;
|
|
case 87: /* priority-array */
|
|
offset = fPriorityArray (tvb, tree, offset);
|
|
break;
|
|
case 38: /* exception-schedule */
|
|
if (object_type < 128)
|
|
{
|
|
offset = fSpecialEvent (tvb,tree,offset);
|
|
break;
|
|
}
|
|
case 123: /* weekly-schedule */
|
|
if (object_type < 128)
|
|
{
|
|
offset = fWeeklySchedule (tvb,tree,offset);
|
|
break;
|
|
}
|
|
default:
|
|
if (tag_info)
|
|
{
|
|
if (tag_is_opening(tag_info))
|
|
{
|
|
++depth;
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
else if (tag_is_closing(tag_info))
|
|
{
|
|
--depth;
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
else
|
|
{
|
|
offset = fContextTaggedValue(tvb, tree, offset, ar);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
offset = fApplicationTypes (tvb, tree, offset, ar);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
|
|
}
|
|
|
|
static guint
|
|
fPropertyValue (tvbuff_t *tvb, proto_tree *tree, guint offset, guint8 tagoffset)
|
|
{
|
|
guint lastoffset = offset;
|
|
proto_item *tt;
|
|
proto_tree *subtree;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
offset = fPropertyReference(tvb, tree, offset, tagoffset, 0);
|
|
if (offset > lastoffset)
|
|
{
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_no == tagoffset+2) { /* Value - might not be present in ReadAccessResult */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(tree, tvb, offset, 1, "propertyValue");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fBACnetPropertyValue (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
offset = fPropertyValue(tvb, tree, offset, 0);
|
|
if (offset > lastoffset)
|
|
{
|
|
/* detect optional priority
|
|
by looking to see if the next tag is context tag number 3 */
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_context_specific(tag_info) && (tag_no == 3))
|
|
offset = fUnsignedTag (tvb,tree,offset,"Priority: ");
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fSubscribeCOVPropertyRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* ProcessId */
|
|
offset = fUnsignedTag (tvb, tree, offset, "subscriber Process Id: ");
|
|
break;
|
|
case 1: /* monitored ObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 2: /* issueConfirmedNotifications */
|
|
offset = fBooleanTag (tvb, tree, offset, "issue Confirmed Notifications: ");
|
|
break;
|
|
case 3: /* life time */
|
|
offset = fTimeSpan (tvb,tree,offset,"life time");
|
|
break;
|
|
case 4: /* monitoredPropertyIdentifier */
|
|
offset = fBACnetPropertyReference (tvb, tree, offset, 0);
|
|
break;
|
|
case 5: /* covIncrement */
|
|
offset = fRealTag (tvb, tree, offset, "COV Increment: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fSubscribeCOVRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fSubscribeCOVPropertyRequest(tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fWhoHas (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* deviceInstanceLowLimit */
|
|
offset = fUnsignedTag (tvb, tree, offset, "device Instance Low Limit: ");
|
|
break;
|
|
case 1: /* deviceInstanceHighLimit */
|
|
offset = fUnsignedTag (tvb, tree, offset, "device Instance High Limit: ");
|
|
break;
|
|
case 2: /* BACnetObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 3: /* messageText */
|
|
offset = fCharacterString (tvb,tree,offset, "Object Name: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
|
|
static guint
|
|
fDailySchedule (tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_opening(tag_info) && tag_no == 0)
|
|
{
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt); /* opening context tag 0 */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
/* should be closing context tag 0 */
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
return offset;
|
|
}
|
|
|
|
offset = fTimeValue (tvb, subtree, offset);
|
|
}
|
|
}
|
|
else if (tag_no == 0 && lvt == 0)
|
|
{
|
|
/* not sure null (empty array element) is legal */
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fWeeklySchedule (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint i=1;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
return offset; /* outer encoding will print out closing tag */
|
|
}
|
|
tt = proto_tree_add_text(tree, tvb, offset, 0, val_to_str(i++, days, "day of week (%d) not found"));
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset = fDailySchedule (tvb,subtree,offset);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
|
|
static guint
|
|
fUTCTimeSynchronizationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (tvb_length_remaining(tvb, offset) <= 0)
|
|
return offset;
|
|
|
|
return fDateTime (tvb, tree, offset, "UTC-Time: ");
|
|
}
|
|
|
|
static guint
|
|
fTimeSynchronizationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (tvb_length_remaining(tvb, offset) <= 0)
|
|
return offset;
|
|
|
|
return fDateTime (tvb, tree, offset, NULL);
|
|
}
|
|
|
|
static guint
|
|
fDateRange (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (tvb_length_remaining(tvb, offset) <= 0)
|
|
return offset;
|
|
offset = fDate (tvb,tree,offset,"Start Date: ");
|
|
return fDate (tvb, tree, offset, "End Date: ");
|
|
}
|
|
|
|
static guint
|
|
fConfirmedTextMessageRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
|
|
case 0: /* textMessageSourceDevice */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* messageClass */
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* numeric */
|
|
offset = fUnsignedTag (tvb, tree, offset, "message Class: ");
|
|
break;
|
|
case 1: /* character */
|
|
offset = fCharacterString (tvb, tree, offset, "message Class: ");
|
|
break;
|
|
}
|
|
break;
|
|
case 2: /* messagePriority */
|
|
offset = fEnumeratedTag (tvb, tree, offset, "message Priority: ",
|
|
BACnetMessagePriority);
|
|
break;
|
|
case 3: /* message */
|
|
offset = fCharacterString (tvb, tree, offset, "message: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fUnconfirmedTextMessageRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fConfirmedTextMessageRequest(tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fConfirmedPrivateTransferRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
/* exit loop if nothing happens inside */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) {
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
if (tag_no == 2) /* Make sure it's the expected tag */
|
|
{
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
break; /* End loop if incorrect closing tag */
|
|
}
|
|
}
|
|
switch (tag_no) {
|
|
|
|
case 0: /* vendorID */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "vendor ID: ");
|
|
break;
|
|
case 1: /* serviceNumber */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "service Number: ");
|
|
break;
|
|
case 2: /*serviceParameters */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "service Parameters");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
propertyIdentifier = -1;
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fUnconfirmedPrivateTransferRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fConfirmedPrivateTransferRequest(tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fConfirmedPrivateTransferAck(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fConfirmedPrivateTransferRequest(tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fLifeSafetyOperationRequest(tvbuff_t *tvb, proto_tree *tree, guint offset, const gchar *label)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
if (label != NULL) {
|
|
tt = proto_tree_add_text (subtree, tvb, offset, 1, "%s", label);
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
}
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
switch (tag_no) {
|
|
case 0: /* subscriberProcessId */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "requesting Process Id: ");
|
|
break;
|
|
case 1: /* requestingSource */
|
|
offset = fCharacterString (tvb, tree, offset, "requesting Source: ");
|
|
break;
|
|
case 2: /* request */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"request: ", BACnetLifeSafetyOperation, 64);
|
|
break;
|
|
case 3: /* objectId */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint fBACnetPropertyStates(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
switch (fTagNo(tvb, offset))
|
|
{
|
|
case 0:
|
|
offset = fBooleanTag (tvb, tree, offset, "boolean-value: ");
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"binary-value: ", BACnetBinaryPV, 2);
|
|
break;
|
|
case 2:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"event-type: ", BACnetEventType, 12);
|
|
break;
|
|
case 3:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"polarity: ", BACnetPolarity, 2);
|
|
break;
|
|
case 4:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"program-change: ", BACnetProgramRequest, 5);
|
|
break;
|
|
case 5:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"program-state: ", BACnetProgramState, 5);
|
|
break;
|
|
case 6:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"reason-for-halt: ", BACnetProgramError, 5);
|
|
break;
|
|
case 7:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"reliability: ", BACnetReliability, 10);
|
|
break;
|
|
case 8:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"state: ", BACnetEventState, 64);
|
|
break;
|
|
case 9:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"system-status: ", BACnetDeviceStatus, 64);
|
|
break;
|
|
case 10:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"units: ", BACnetEngineeringUnits, 2);
|
|
break;
|
|
case 11:
|
|
offset = fUnsignedTag(tvb, tree, offset, "unsigned-value: ");
|
|
break;
|
|
case 12:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"life-safety-mode: ", BACnetLifeSafetyMode, 64);
|
|
break;
|
|
case 13:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"life-safety-state: ", BACnetLifeSafetyState, 64);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fNotificationParameters (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = offset;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 0, "notification parameters");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
/* Opeing tag for parameter choice */
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
switch (tag_no) {
|
|
case 0: /* change-of-bitstring */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fBitStringTag (tvb, subtree, offset,
|
|
"referenced-bitstring: ");
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 1: /* change-of-state */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fBACnetPropertyStates(tvb, subtree, offset);
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
case 1:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
lastoffset = offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 2: /* change-of-value */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fBitStringTag (tvb, subtree, offset,
|
|
"changed-bits: ");
|
|
break;
|
|
case 1:
|
|
offset = fRealTag (tvb, subtree, offset,
|
|
"changed-value: ");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 3: /* command-failure */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* "command-value: " */
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
case 2: /* "feedback-value: " */
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 4: /* floating-limit */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fRealTag (tvb, subtree, offset, "reference-value: ");
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
break;
|
|
case 2:
|
|
offset = fRealTag (tvb, subtree, offset, "setpoint-value: ");
|
|
break;
|
|
case 3:
|
|
offset = fRealTag (tvb, subtree, offset, "error-limit: ");
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 5: /* out-of-range */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fRealTag (tvb, subtree, offset, "exceeding-value: ");
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
break;
|
|
case 2:
|
|
offset = fRealTag (tvb, subtree, offset, "deadband: ");
|
|
break;
|
|
case 3:
|
|
offset = fRealTag (tvb, subtree, offset, "exceeded-limit: ");
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 6:
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
offset =fBACnetPropertyValue (tvb,subtree,offset);
|
|
}
|
|
break;
|
|
case 7: /* buffer-ready */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fObjectIdentifier (tvb, subtree, offset); /* buffer-device */
|
|
break;
|
|
case 1:
|
|
offset = fObjectIdentifier (tvb, subtree, offset); /* buffer-object */
|
|
break;
|
|
case 2:
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fDateTime (tvb, subtree, offset, "previous-notification: ");
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
case 3:
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fDateTime (tvb, subtree, offset, "current-notification: ");
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 8: /* change-of-life-safety */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fEnumeratedTagSplit (tvb, subtree, offset,
|
|
"new-state: ", BACnetLifeSafetyState, 256);
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTagSplit (tvb, subtree, offset,
|
|
"new-mode: ", BACnetLifeSafetyState, 256);
|
|
break;
|
|
case 2:
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"status-flags: ", BACnetStatusFlags);
|
|
case 3:
|
|
offset = fEnumeratedTagSplit (tvb, subtree, offset,
|
|
"operation-expected: ", BACnetLifeSafetyOperation, 64);
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
/* Closing tag for parameter choice */
|
|
offset += fTagHeaderTree(tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
return offset;
|
|
}
|
|
|
|
#if 0
|
|
static guint
|
|
fEventParameter (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* change-of-bitstring */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1:
|
|
offset = fBitStringTag (tvb, tree, offset, "bitmask: ");
|
|
break;
|
|
case 2: /* SEQUENCE OF BIT STRING */
|
|
offset = fBitStringTagVS (tvb, tree, offset,
|
|
"bitstring value: ", BACnetEventTransitionBits);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 1: /* change-of-state */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1: /* SEQUENCE OF BACnetPropertyStates */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"value: ", BACnetPropertyStates, 64);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 2: /* change-of-value */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1: /* don't loop it, it's a CHOICE */
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fBitStringTag (tvb, tree, offset, "bitmask: ");
|
|
break;
|
|
case 1:
|
|
offset = fRealTag (tvb, tree, offset,
|
|
"referenced Property Increment: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 3: /* command-failure */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1:
|
|
offset = fDeviceObjectPropertyReference (tvb,tree,offset);
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 4: /* floating-limit */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1:
|
|
offset = fDeviceObjectPropertyReference (tvb,tree,offset);
|
|
break;
|
|
case 2:
|
|
offset = fRealTag (tvb, tree, offset, "low diff limit: ");
|
|
break;
|
|
case 3:
|
|
offset = fRealTag (tvb, tree, offset, "high diff limit: ");
|
|
break;
|
|
case 4:
|
|
offset = fRealTag (tvb, tree, offset, "deadband: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 5: /* out-of-range */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1:
|
|
offset = fRealTag (tvb, tree, offset, "low limit: ");
|
|
break;
|
|
case 2:
|
|
offset = fRealTag (tvb, tree, offset, "high limit: ");
|
|
break;
|
|
case 3:
|
|
offset = fRealTag (tvb, tree, offset, "deadband: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 6:
|
|
offset = fBACnetPropertyValue (tvb,tree,offset);
|
|
break;
|
|
case 7: /* buffer-ready */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fUnsignedTag (tvb,tree,offset,"notification threshold");
|
|
break;
|
|
case 1:
|
|
offset = fUnsignedTag (tvb,tree,offset,
|
|
"previous notification count: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
case 8: /* change-of-life-safety */
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0:
|
|
offset = fTimeSpan (tvb, tree, offset, "Time Delay");
|
|
break;
|
|
case 1:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"life safety alarm value: ", BACnetLifeSafetyState, 256);
|
|
break;
|
|
case 2:
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"alarm value: ", BACnetLifeSafetyState, 256);
|
|
break;
|
|
case 3:
|
|
offset = fDeviceObjectPropertyReference (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fLogRecord (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* timestamp */
|
|
offset = fDateTime (tvb,tree,offset,NULL);
|
|
break;
|
|
case 1: /* logDatum: don't loop, it's a CHOICE */
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* logStatus */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"log status: ", BACnetLogStatus);
|
|
break;
|
|
case 1:
|
|
offset = fBooleanTag (tvb, tree, offset, "boolean-value: ");
|
|
break;
|
|
case 2:
|
|
offset = fRealTag (tvb, tree, offset, "real value: ");
|
|
break;
|
|
case 3:
|
|
offset = fUnsignedTag (tvb, tree, offset, "enum value: ");
|
|
break;
|
|
case 4:
|
|
offset = fUnsignedTag (tvb, tree, offset, "unsigned value: ");
|
|
break;
|
|
case 5:
|
|
offset = fSignedTag (tvb, tree, offset, "signed value: ");
|
|
break;
|
|
case 6:
|
|
offset = fBitStringTag (tvb, tree, offset, "bitstring value: ");
|
|
break;
|
|
case 7:
|
|
offset = fNullTag(tvb, tree, offset, "null value: ");
|
|
break;
|
|
case 8:
|
|
offset = fError (tvb,tree,offset);
|
|
break;
|
|
case 9:
|
|
offset = fRealTag (tvb, tree, offset, "time change: ");
|
|
break;
|
|
case 10: /* any Value */
|
|
offset = fAbstractSyntaxNType (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
break;
|
|
case 2:
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"status Flags: ", BACnetStatusFlags);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
#endif
|
|
|
|
static guint
|
|
fConfirmedEventNotificationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* ProcessId */
|
|
offset = fProcessId (tvb,tree,offset);
|
|
break;
|
|
case 1: /* initiating ObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 2: /* event ObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 3: /* time stamp */
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fTimeStamp (tvb, tree, offset);
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
case 4: /* notificationClass */
|
|
offset = fUnsignedTag (tvb, tree, offset, "Notification Class: ");
|
|
break;
|
|
case 5: /* Priority */
|
|
offset = fUnsignedTag (tvb, tree, offset, "Priority: ");
|
|
break;
|
|
case 6: /* EventType */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"Event Type: ", BACnetEventType, 64);
|
|
break;
|
|
case 7: /* messageText */
|
|
offset = fCharacterString (tvb, tree, offset, "message Text: ");
|
|
break;
|
|
case 8: /* NotifyType */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"Notify Type: ", BACnetNotifyType);
|
|
break;
|
|
case 9: /* ackRequired */
|
|
offset = fBooleanTag (tvb, tree, offset, "ack Required: ");
|
|
break;
|
|
case 10: /* fromState */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"from State: ", BACnetEventState, 64);
|
|
break;
|
|
case 11: /* toState */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"to State: ", BACnetEventState, 64);
|
|
break;
|
|
case 12: /* NotificationParameters */
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fNotificationParameters (tvb, tree, offset);
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fUnconfirmedEventNotificationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fConfirmedEventNotificationRequest (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fConfirmedCOVNotificationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* ProcessId */
|
|
offset = fProcessId (tvb,tree,offset);
|
|
break;
|
|
case 1: /* initiating ObjectId */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* monitored ObjectId */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 3: /* time remaining */
|
|
offset = fTimeSpan (tvb, tree, offset, "Time remaining");
|
|
break;
|
|
case 4: /* List of Values */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "list of Values");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fBACnetPropertyValue (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fUnconfirmedCOVNotificationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fConfirmedCOVNotificationRequest (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fAcknowledgeAlarmRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no = 0, tag_info = 0;
|
|
guint32 lvt = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* acknowledgingProcessId */
|
|
offset = fUnsignedTag (tvb, tree, offset, "acknowledging Process Id: ");
|
|
break;
|
|
case 1: /* eventObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 2: /* eventStateAcknowledged */
|
|
offset = fEnumeratedTagSplit (tvb, tree, offset,
|
|
"event State Acknowledged: ", BACnetEventState, 64);
|
|
break;
|
|
case 3: /* timeStamp */
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fTimeStamp(tvb, tree, offset);
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
case 4: /* acknowledgementSource */
|
|
offset = fCharacterString (tvb, tree, offset, "acknowledgement Source: ");
|
|
break;
|
|
case 5: /* timeOfAcknowledgement */
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fTimeStamp(tvb, tree, offset);
|
|
offset += fTagHeaderTree(tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fGetAlarmSummaryAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
offset = fApplicationTypes (tvb, tree, offset, "Object Identifier: ");
|
|
offset = fApplicationTypesEnumeratedSplit (tvb, tree, offset,
|
|
"alarm State: ", BACnetEventState, 64);
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset,
|
|
"acknowledged Transitions: ", BACnetEventTransitionBits);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fGetEnrollmentSummaryRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* acknowledgmentFilter */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"acknowledgment Filter: ", BACnetAcknowledgementFilter);
|
|
break;
|
|
case 1: /* eventObjectId */
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fRecipientProcess (tvb, tree, offset);
|
|
break;
|
|
case 2: /* eventStateFilter */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"event State Filter: ", BACnetEventStateFilter);
|
|
break;
|
|
case 3: /* eventTypeFilter */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"event Type Filter: ", BACnetEventType);
|
|
break;
|
|
case 4: /* priorityFilter */
|
|
offset = fUnsignedTag (tvb, tree, offset, "min Priority: ");
|
|
offset = fUnsignedTag (tvb, tree, offset, "max Priority: ");
|
|
break;
|
|
case 5: /* notificationClassFilter */
|
|
offset = fUnsignedTag (tvb, tree, offset, "notification Class Filter: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fGetEnrollmentSummaryAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
offset = fApplicationTypes (tvb, tree, offset, "Object Identifier: ");
|
|
offset = fApplicationTypesEnumeratedSplit (tvb, tree, offset,
|
|
"event Type: ", BACnetEventType, 64);
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset,
|
|
"event State: ", BACnetEventStateFilter);
|
|
offset = fApplicationTypes (tvb, tree, offset, "Priority: ");
|
|
offset = fApplicationTypes (tvb, tree, offset, "Notification Class: ");
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fGetEventInformationRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* lastReceivedObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
flistOfEventSummaries (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* ObjectId */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* eventState */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"event State: ", BACnetEventStateFilter);
|
|
break;
|
|
case 2: /* acknowledgedTransitions */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"acknowledged Transitions: ", BACnetEventTransitionBits);
|
|
break;
|
|
case 3: /* eventTimeStamps */
|
|
offset = fTime (tvb, tree, offset, "time Stamp: ");
|
|
offset = fTime (tvb, tree, offset, "time Stamp: ");
|
|
offset = fTime (tvb, tree, offset, "time Stamp: ");
|
|
break;
|
|
case 4: /* notifyType */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"Notify Type: ", BACnetNotifyType);
|
|
break;
|
|
case 5: /* eventEnable */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"event Enable: ", BACnetEventTransitionBits);
|
|
break;
|
|
case 6: /* eventPriorities */
|
|
offset = fUnsignedTag (tvb, tree, offset, "event Priority: ");
|
|
offset = fUnsignedTag (tvb, tree, offset, "event Priority: ");
|
|
offset = fUnsignedTag (tvb, tree, offset, "event Priority: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fGetEventInformationACK (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* listOfEventSummaries */
|
|
offset += fTagHeaderTree (tvb, tree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = flistOfEventSummaries (tvb, tree, offset);
|
|
break;
|
|
case 1: /* moreEvents */
|
|
offset = fBooleanTag (tvb, tree, offset, "more Events: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAddListElementRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* ObjectId */
|
|
offset = fBACnetObjectPropertyReference (tvb, subtree, offset);
|
|
break;
|
|
case 3: /* listOfElements */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "listOfElements");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fDeleteObjectRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fObjectIdentifier (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fDeviceCommunicationControlRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* timeDuration */
|
|
offset = fUnsignedTag (tvb,tree,offset,"time Duration: ");
|
|
break;
|
|
case 1: /* enable-disable */
|
|
offset = fEnumeratedTag (tvb, tree, offset, "enable-disable: ",
|
|
BACnetEnableDisable);
|
|
break;
|
|
case 2: /* password */
|
|
offset = fCharacterString (tvb, tree, offset, "Password: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fReinitializeDeviceRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* reinitializedStateOfDevice */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"reinitialized State Of Device: ",
|
|
BACnetReinitializedStateOfDevice);
|
|
break;
|
|
case 1: /* password */
|
|
offset = fCharacterString (tvb, tree, offset, "Password: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fVtOpenRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset,
|
|
"vtClass: ", BACnetVTClass);
|
|
return fApplicationTypes (tvb,tree,offset,"local VT Session ID: ");
|
|
}
|
|
|
|
static guint
|
|
fVtOpenAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fApplicationTypes (tvb,tree,offset,"remote VT Session ID: ");
|
|
}
|
|
|
|
static guint
|
|
fVtCloseRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
offset= fApplicationTypes (tvb,tree,offset,"remote VT Session ID: ");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fVtDataRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
offset= fApplicationTypes (tvb,tree,offset,"VT Session ID: ");
|
|
offset = fApplicationTypes (tvb, tree, offset, "VT New Data: ");
|
|
return fApplicationTypes (tvb,tree,offset,"VT Data Flag: ");;
|
|
}
|
|
|
|
static guint
|
|
fVtDataAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* BOOLEAN */
|
|
offset = fBooleanTag (tvb, tree, offset, "all New Data Accepted: ");
|
|
break;
|
|
case 1: /* Unsigned OPTIONAL */
|
|
offset = fUnsignedTag (tvb, tree, offset, "accepted Octet Count: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAuthenticateRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* Unsigned32 */
|
|
offset = fUnsignedTag (tvb, tree, offset, "pseudo Random Number: ");
|
|
break;
|
|
case 1: /* expected Invoke ID Unsigned8 OPTIONAL */
|
|
proto_tree_add_item(tree, hf_bacapp_invoke_id, tvb, offset++, 1, TRUE);
|
|
break;
|
|
case 2: /* Chararacter String OPTIONAL */
|
|
offset = fCharacterString (tvb, tree, offset, "operator Name: ");
|
|
break;
|
|
case 3: /* Chararacter String OPTIONAL */
|
|
offset = fCharacterString (tvb, tree, offset, "operator Password: ");
|
|
break;
|
|
case 4: /* Boolean OPTIONAL */
|
|
offset = fBooleanTag (tvb, tree, offset, "start Encyphered Session: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAuthenticateAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fApplicationTypes (tvb, tree, offset, "modified Random Number: ");
|
|
}
|
|
|
|
static guint
|
|
fRequestKeyRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
offset = fObjectIdentifier (tvb, tree, offset); /* Requesting Device Identifier */
|
|
offset = fAddress (tvb, tree, offset);
|
|
offset = fObjectIdentifier (tvb, tree, offset); /* Remote Device Identifier */
|
|
return fAddress (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fRemoveListElementRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
/* Same as AddListElement request after service choice */
|
|
return fAddListElementRequest(tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fReadPropertyRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fBACnetObjectPropertyReference(tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fReadPropertyAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
switch (tag_no) {
|
|
case 0: /* objectIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* propertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* propertyArrayIndex */
|
|
offset = fSignedTag (tvb, subtree, offset, "property Array Index: ");
|
|
break;
|
|
case 3: /* propertyValue */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "propertyValue");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fWritePropertyRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* propertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* propertyArrayIndex */
|
|
offset = fSignedTag (tvb, subtree, offset, "property Array Index: ");
|
|
break;
|
|
case 3: /* propertyValue */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "propertyValue");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 4: /* Priority (only used for write) */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "Priority: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fWriteAccessSpecification (tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* listOfPropertyValues */
|
|
if (tag_is_opening(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fBACnetPropertyValue (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fWritePropertyMultipleRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (offset >= tvb_reported_length(tvb))
|
|
return offset;
|
|
|
|
return fWriteAccessSpecification (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fPropertyReference (tvbuff_t *tvb, proto_tree *tree, guint offset, guint8 tagoffset, guint8 list)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) { /* closing Tag, but not for me */
|
|
return offset;
|
|
}
|
|
switch (tag_no-tagoffset) {
|
|
case 0: /* PropertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* propertyArrayIndex */
|
|
offset = fUnsignedTag (tvb, tree, offset, "property Array Index: ");
|
|
if (list != 0) break; /* Continue decoding if this may be a list */
|
|
default:
|
|
lastoffset = offset; /* Set loop end condition */
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fBACnetPropertyReference (tvbuff_t *tvb, proto_tree *tree, guint offset, guint8 list)
|
|
{
|
|
return fPropertyReference(tvb, tree, offset, 0, list);
|
|
}
|
|
|
|
static guint
|
|
fBACnetObjectPropertyReference (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* ObjectIdentifier */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* PropertyIdentifier and propertyArrayIndex */
|
|
offset = fPropertyReference (tvb, tree, offset, 1, 0);
|
|
default:
|
|
lastoffset = offset; /* Set loop end condition */
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
#if 0
|
|
static guint
|
|
fObjectPropertyValue (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree* subtree = tree;
|
|
proto_item* tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
continue;
|
|
}
|
|
switch (tag_no) {
|
|
case 0: /* ObjectIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* PropertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* propertyArrayIndex */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "property Array Index: ");
|
|
break;
|
|
case 3: /* Value */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "propertyValue");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 4: /* Priority */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "Priority: ");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
#endif
|
|
|
|
#if 0
|
|
static guint
|
|
fDeviceObjectPropertyReference (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* ObjectIdentifier */
|
|
offset = fBACnetObjectPropertyReference (tvb, tree, offset);
|
|
break;
|
|
case 3: /* deviceIdentifier */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
#endif
|
|
|
|
static guint
|
|
fPriorityArray (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
char i, ar[256];
|
|
|
|
if (offset >= tvb_reported_length(tvb))
|
|
return offset;
|
|
|
|
for (i = 1; i <= 16; i++) {
|
|
g_snprintf (ar, sizeof(ar), "%s[%d]: ",
|
|
val_to_split_str(87 , 512,
|
|
BACnetPropertyIdentifier,
|
|
ASHRAE_Reserved_Fmt,
|
|
Vendor_Proprietary_Fmt),
|
|
i);
|
|
/* DMR Replace with fAbstractNSyntax */
|
|
offset = fApplicationTypes(tvb, tree, offset, ar);
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
#if 0
|
|
static guint
|
|
fDeviceObjectReference (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* deviceIdentifier */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* ObjectIdentifier */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
#endif
|
|
|
|
static guint
|
|
fSpecialEvent (tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* calendaryEntry */
|
|
if (tag_is_opening(tag_info))
|
|
{
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fCalendaryEntry (tvb, subtree, offset);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
break;
|
|
case 1: /* calendarReference */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* list of BACnetTimeValue */
|
|
if (tag_is_opening(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fTimeValue (tvb, subtree, offset);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 3: /* eventPriority */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "event priority: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fSelectionCriteria (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
|
|
switch (fTagNo(tvb,offset)) {
|
|
case 0: /* propertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, tree, offset);
|
|
break;
|
|
case 1: /* propertyArrayIndex */
|
|
offset = fUnsignedTag (tvb, tree, offset, "property Array Index: ");
|
|
break;
|
|
case 2: /* relationSpecifier */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"relation Specifier: ", BACnetRelationSpecifier);
|
|
break;
|
|
case 3: /* comparisonValue */
|
|
offset = fAbstractSyntaxNType (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fObjectSelectionCriteria (tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* selectionLogic */
|
|
offset = fEnumeratedTag (tvb, subtree, offset,
|
|
"selection Logic: ", BACnetSelectionLogic);
|
|
break;
|
|
case 1: /* listOfSelectionCriteria */
|
|
if (tag_is_opening(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fSelectionCriteria (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
|
|
static guint
|
|
fReadPropertyConditionalRequest(tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectSelectionCriteria */
|
|
offset = fObjectSelectionCriteria (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* listOfPropertyReferences */
|
|
if (tag_is_opening(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fBACnetPropertyReference (tvb, subtree, offset, 1);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fReadAccessSpecification (tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no,
|
|
&tag_info, &lvt);
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectIdentifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* listOfPropertyReferences */
|
|
if (tag_is_opening(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fBACnetPropertyReference (tvb, subtree, offset, 1);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fReadAccessResult (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no;
|
|
guint8 tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
if (tag_no == 4 || tag_no == 5) subtree = tree; /* Value and error have extra subtree */
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectSpecifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* list of Results */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "listOfResults");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 2: /* propertyIdentifier */
|
|
offset = fPropertyValue(tvb, subtree, offset, 2);
|
|
break;
|
|
case 5: /* propertyAccessError */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "propertyAccessError");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
/* Error Code follows */
|
|
offset = fError(tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
|
|
static guint
|
|
fReadPropertyConditionalAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
/* listOfReadAccessResults */
|
|
return fReadAccessResult (tvb, tree, offset);
|
|
}
|
|
|
|
|
|
static guint
|
|
fObjectSpecifier (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* objectType */
|
|
proto_tree_add_item(tree, hf_bacapp_tag_initiatingObjectType, tvb, offset++, 1, TRUE);
|
|
break;
|
|
case 1: /* objectIdentifier */
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fCreateObjectRequest(tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0) && (offset > lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectSpecifier */
|
|
offset = fObjectSpecifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* propertyValue */
|
|
if (tag_is_opening(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fBACnetPropertyValue (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fCreateObjectAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fObjectIdentifier (tvb, tree, offset);
|
|
}
|
|
|
|
static guint
|
|
fReadRangeRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectSpecifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* propertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* propertyArrayIndex Optional */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "Property Array Index: ");
|
|
break;
|
|
case 3: /* range byPosition */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "range byPosition");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fApplicationTypes (tvb, subtree, offset, "reference Index: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "reference Count: ");
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 4: /* range byTime */
|
|
case 7: /* 2004 spec */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "range byTime");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fDateTime(tvb, subtree, offset, "reference Date/Time: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "reference Count: ");
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 5: /* range timeRange */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "range timeRange");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fApplicationTypes (tvb, subtree, offset, "beginning Time: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "ending Time: ");
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 6: /* range bySequenceNumber, 2004 spec */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "range bySequenceNumber");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fApplicationTypes (tvb, subtree, offset, "referenceIndex: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "reference Count: ");
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fReadRangeAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* objectSpecifier */
|
|
offset = fObjectIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 1: /* propertyIdentifier */
|
|
offset = fPropertyIdentifier (tvb, subtree, offset);
|
|
break;
|
|
case 2: /* propertyArrayIndex Optional */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "Property Array Index: ");
|
|
break;
|
|
case 3: /* resultFlags */
|
|
offset = fEnumeratedTag (tvb, tree, offset,
|
|
"result Flags: ", BACnetResultFlags);
|
|
break;
|
|
case 4: /* itemCount */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "item Count: ");
|
|
break;
|
|
case 5: /* itemData */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "itemData");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fAbstractSyntaxNType (tvb, subtree, offset);
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 6: /* firstSequenceNumber */
|
|
offset = fUnsignedTag (tvb, subtree, offset, "first Sequence Number: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint fAccessMethod(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint32 lvt;
|
|
guint8 tag_no, tag_info;
|
|
proto_item* tt;
|
|
proto_tree* subtree = NULL;
|
|
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
|
|
switch (tag_no) {
|
|
case 0: /* streamAccess */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(tree, tvb, offset, 1, "stream Access");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fApplicationTypes (tvb, subtree, offset, "File Start Position: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "file Data: ");
|
|
}
|
|
if (bacapp_flags & 0x04) { /* More Flag is set */
|
|
break;
|
|
}
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
break;
|
|
case 1: /* recordAccess */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(tree, tvb, offset, 1, "record Access");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fApplicationTypes (tvb, subtree, offset, "File Start Record: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "Record Count: ");
|
|
offset = fApplicationTypes (tvb, subtree, offset, "Data: ");
|
|
}
|
|
if (bacapp_flags & 0x04) { /* More Flag is set */
|
|
break;
|
|
}
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAtomicReadFileRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
proto_item *tt;
|
|
|
|
offset = fObjectIdentifier (tvb, tree, offset);
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
if (tag_is_closing(tag_info)) {
|
|
offset += fTagHeaderTree (tvb, subtree, offset,
|
|
&tag_no, &tag_info, &lvt);
|
|
subtree = tree;
|
|
continue;
|
|
}
|
|
|
|
switch (tag_no) {
|
|
case 0: /* streamAccess */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "stream Access");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fSignedTag (tvb, subtree, offset, "File Start Position: ");
|
|
offset = fUnsignedTag (tvb, subtree, offset, "requested Octet Count: ");
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
case 1: /* recordAccess */
|
|
if (tag_is_opening(tag_info)) {
|
|
tt = proto_tree_add_text(subtree, tvb, offset, 1, "record Access");
|
|
subtree = proto_item_add_subtree(tt, ett_bacapp_value);
|
|
offset += fTagHeaderTree (tvb, subtree, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fSignedTag (tvb, subtree, offset, "File Start Record: ");
|
|
offset = fUnsignedTag (tvb, subtree, offset, "requested Record Count: ");
|
|
break;
|
|
}
|
|
FAULT;
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAtomicWriteFileRequest(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
|
|
offset = fObjectIdentifier (tvb, tree, offset); /* file Identifier */
|
|
offset = fAccessMethod(tvb, tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAtomicWriteFileAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* streamAccess */
|
|
offset = fSignedTag (tvb, tree, offset, "File Start Position: ");
|
|
break;
|
|
case 1: /* recordAccess */
|
|
offset = fSignedTag (tvb, tree, offset, "File Start Record: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAtomicReadFileAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_no, tag_info;
|
|
guint32 lvt;
|
|
proto_tree *subtree = tree;
|
|
|
|
fTagHeader (tvb, offset, &tag_no, &tag_info, &lvt);
|
|
offset = fApplicationTypes (tvb, subtree, offset, "End Of File: ");
|
|
offset = fAccessMethod(tvb, tree, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fReadPropertyMultipleRequest(tvbuff_t *tvb, proto_tree *subtree, guint offset)
|
|
{
|
|
return fReadAccessSpecification (tvb,subtree,offset);
|
|
}
|
|
|
|
static guint
|
|
fReadPropertyMultipleAck (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
return fReadAccessResult (tvb,tree,offset);
|
|
}
|
|
|
|
static guint
|
|
fConfirmedServiceRequest (tvbuff_t *tvb, proto_tree *tree, guint offset, gint service_choice)
|
|
{
|
|
if (tvb_length_remaining(tvb,offset) <= 0)
|
|
return offset;
|
|
|
|
switch (service_choice) {
|
|
case 0: /* acknowledgeAlarm */
|
|
offset = fAcknowledgeAlarmRequest (tvb, tree, offset);
|
|
break;
|
|
case 1: /* confirmedCOVNotification */
|
|
offset = fConfirmedCOVNotificationRequest (tvb, tree, offset);
|
|
break;
|
|
case 2: /* confirmedEventNotification */
|
|
offset = fConfirmedEventNotificationRequest (tvb, tree, offset);
|
|
break;
|
|
case 3: /* confirmedGetAlarmSummary conveys no parameters */
|
|
break;
|
|
case 4: /* getEnrollmentSummaryRequest */
|
|
offset = fGetEnrollmentSummaryRequest (tvb, tree, offset);
|
|
break;
|
|
case 5: /* subscribeCOVRequest */
|
|
offset = fSubscribeCOVRequest(tvb, tree, offset);
|
|
break;
|
|
case 6: /* atomicReadFile-Request */
|
|
offset = fAtomicReadFileRequest(tvb, tree, offset);
|
|
break;
|
|
case 7: /* atomicWriteFile-Request */
|
|
offset = fAtomicWriteFileRequest(tvb, tree, offset);
|
|
break;
|
|
case 8: /* AddListElement-Request */
|
|
offset = fAddListElementRequest(tvb, tree, offset);
|
|
break;
|
|
case 9: /* removeListElement-Request */
|
|
offset = fRemoveListElementRequest(tvb, tree, offset);
|
|
break;
|
|
case 10: /* createObjectRequest */
|
|
offset = fCreateObjectRequest(tvb, tree, offset);
|
|
break;
|
|
case 11: /* deleteObject */
|
|
offset = fDeleteObjectRequest(tvb, tree, offset);
|
|
break;
|
|
case 12:
|
|
offset = fReadPropertyRequest(tvb, tree, offset);
|
|
break;
|
|
case 13:
|
|
offset = fReadPropertyConditionalRequest(tvb, tree, offset);
|
|
break;
|
|
case 14:
|
|
offset = fReadPropertyMultipleRequest(tvb, tree, offset);
|
|
break;
|
|
case 15:
|
|
offset = fWritePropertyRequest(tvb, tree, offset);
|
|
break;
|
|
case 16:
|
|
offset = fWritePropertyMultipleRequest(tvb, tree, offset);
|
|
break;
|
|
case 17:
|
|
offset = fDeviceCommunicationControlRequest(tvb, tree, offset);
|
|
break;
|
|
case 18:
|
|
offset = fConfirmedPrivateTransferRequest(tvb, tree, offset);
|
|
break;
|
|
case 19:
|
|
offset = fConfirmedTextMessageRequest(tvb, tree, offset);
|
|
break;
|
|
case 20:
|
|
offset = fReinitializeDeviceRequest(tvb, tree, offset);
|
|
break;
|
|
case 21:
|
|
offset = fVtOpenRequest(tvb, tree, offset);
|
|
break;
|
|
case 22:
|
|
offset = fVtCloseRequest (tvb, tree, offset);
|
|
break;
|
|
case 23:
|
|
offset = fVtDataRequest (tvb, tree, offset);
|
|
break;
|
|
case 24:
|
|
offset = fAuthenticateRequest (tvb, tree, offset);
|
|
break;
|
|
case 25:
|
|
offset = fRequestKeyRequest (tvb, tree, offset);
|
|
break;
|
|
case 26:
|
|
offset = fReadRangeRequest (tvb, tree, offset);
|
|
break;
|
|
case 27:
|
|
offset = fLifeSafetyOperationRequest(tvb, tree, offset, NULL);
|
|
break;
|
|
case 28:
|
|
offset = fSubscribeCOVPropertyRequest(tvb, tree, offset);
|
|
break;
|
|
case 29:
|
|
offset = fGetEventInformationRequest (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fConfirmedServiceAck (tvbuff_t *tvb, proto_tree *tree, guint offset, gint service_choice)
|
|
{
|
|
if (tvb_length_remaining(tvb,offset) <= 0)
|
|
return offset;
|
|
|
|
switch (service_choice) {
|
|
case 3: /* confirmedEventNotificationAck */
|
|
offset = fGetAlarmSummaryAck (tvb, tree, offset);
|
|
break;
|
|
case 4: /* getEnrollmentSummaryAck */
|
|
offset = fGetEnrollmentSummaryAck (tvb, tree, offset);
|
|
break;
|
|
case 6: /* atomicReadFile */
|
|
offset = fAtomicReadFileAck (tvb, tree, offset);
|
|
break;
|
|
case 7: /* atomicReadFileAck */
|
|
offset = fAtomicWriteFileAck (tvb, tree, offset);
|
|
break;
|
|
case 10: /* createObject */
|
|
offset = fCreateObjectAck (tvb, tree, offset);
|
|
break;
|
|
case 12:
|
|
offset = fReadPropertyAck (tvb, tree, offset);
|
|
break;
|
|
case 13:
|
|
offset = fReadPropertyConditionalAck (tvb, tree, offset);
|
|
break;
|
|
case 14:
|
|
offset = fReadPropertyMultipleAck (tvb, tree, offset);
|
|
break;
|
|
case 18:
|
|
offset = fConfirmedPrivateTransferAck(tvb, tree, offset);
|
|
break;
|
|
case 21:
|
|
offset = fVtOpenAck (tvb, tree, offset);
|
|
break;
|
|
case 23:
|
|
offset = fVtDataAck (tvb, tree, offset);
|
|
break;
|
|
case 24:
|
|
offset = fAuthenticateAck (tvb, tree, offset);
|
|
break;
|
|
case 26:
|
|
offset = fReadRangeAck (tvb, tree, offset);
|
|
break;
|
|
case 29:
|
|
offset = fGetEventInformationACK (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fIAmRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
/* BACnetObjectIdentifier */
|
|
offset = fApplicationTypes (tvb, tree, offset, "BACnet Object Identifier: ");
|
|
|
|
/* MaxAPDULengthAccepted */
|
|
offset = fApplicationTypes (tvb, tree, offset, "Maximum ADPU Length Accepted: ");
|
|
|
|
/* segmentationSupported */
|
|
offset = fApplicationTypesEnumerated (tvb, tree, offset,
|
|
"Segmentation Supported: ", BACnetSegmentation);
|
|
|
|
/* vendor ID */
|
|
return fUnsignedTag (tvb, tree, offset, "Vendor ID: ");
|
|
}
|
|
|
|
static guint
|
|
fIHaveRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
/* BACnetDeviceIdentifier */
|
|
offset = fApplicationTypes (tvb, tree, offset, "Device Identifier: ");
|
|
|
|
/* BACnetObjectIdentifier */
|
|
offset = fApplicationTypes (tvb, tree, offset, "Object Identifier: ");
|
|
|
|
/* ObjectName */
|
|
return fApplicationTypes (tvb, tree, offset, "Object Name: ");
|
|
|
|
}
|
|
|
|
static guint
|
|
fWhoIsRequest (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* DeviceInstanceRangeLowLimit Optional */
|
|
offset = fUnsignedTag (tvb, tree, offset, "Device Instance Range Low Limit: ");
|
|
break;
|
|
case 1: /* DeviceInstanceRangeHighLimit Optional but required if DeviceInstanceRangeLowLimit is there */
|
|
offset = fUnsignedTag (tvb, tree, offset, "Device Instance Range High Limit: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
break;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fUnconfirmedServiceRequest (tvbuff_t *tvb, proto_tree *tree, guint offset, gint service_choice)
|
|
{
|
|
if (tvb_length_remaining(tvb,offset) <= 0)
|
|
return offset;
|
|
|
|
switch (service_choice) {
|
|
case 0: /* I-Am-Request */
|
|
offset = fIAmRequest (tvb, tree, offset);
|
|
break;
|
|
case 1: /* i-Have Request */
|
|
offset = fIHaveRequest (tvb, tree, offset);
|
|
break;
|
|
case 2: /* unconfirmedCOVNotification */
|
|
offset = fUnconfirmedCOVNotificationRequest (tvb, tree, offset);
|
|
break;
|
|
case 3: /* unconfirmedEventNotification */
|
|
offset = fUnconfirmedEventNotificationRequest (tvb, tree, offset);
|
|
break;
|
|
case 4: /* unconfirmedPrivateTransfer */
|
|
offset = fUnconfirmedPrivateTransferRequest(tvb, tree, offset);
|
|
break;
|
|
case 5: /* unconfirmedTextMessage */
|
|
offset = fUnconfirmedTextMessageRequest(tvb, tree, offset);
|
|
break;
|
|
case 6: /* timeSynchronization */
|
|
offset = fTimeSynchronizationRequest (tvb, tree, offset);
|
|
break;
|
|
case 7: /* who-Has */
|
|
offset = fWhoHas (tvb, tree, offset);
|
|
break;
|
|
case 8: /* who-Is */
|
|
offset = fWhoIsRequest (tvb, tree, offset);
|
|
break;
|
|
case 9: /* utcTimeSynchronization */
|
|
offset = fUTCTimeSynchronizationRequest (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fStartConfirmed(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset, guint8 ack,
|
|
gint *svc, proto_item **tt)
|
|
{
|
|
proto_item *tc;
|
|
proto_tree *bacapp_tree_control;
|
|
gint tmp, bacapp_type;
|
|
guint extra = 2;
|
|
|
|
bacapp_seq = 0;
|
|
tmp = (gint) tvb_get_guint8(tvb, offset);
|
|
bacapp_type = (tmp >> 4) & 0x0f;
|
|
bacapp_flags = tmp & 0x0f;
|
|
|
|
if (ack == 0) {
|
|
extra = 3;
|
|
}
|
|
*svc = (gint) tvb_get_guint8(tvb, offset+extra);
|
|
if (bacapp_flags & 0x08)
|
|
*svc = (gint) tvb_get_guint8(tvb, offset+extra+2);
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset, 1, TRUE);
|
|
tc = proto_tree_add_item(bacapp_tree, hf_bacapp_pduflags, tvb, offset, 1, TRUE);
|
|
bacapp_tree_control = proto_item_add_subtree(tc, ett_bacapp_control);
|
|
|
|
proto_tree_add_item(bacapp_tree_control, hf_bacapp_SEG, tvb, offset, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree_control, hf_bacapp_MOR, tvb, offset, 1, TRUE);
|
|
if (ack == 0) /* The following are for ConfirmedRequest, not Complex ack */
|
|
{
|
|
proto_tree_add_item(bacapp_tree_control, hf_bacapp_SA, tvb, offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_response_segments, tvb,
|
|
offset, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_max_adpu_size, tvb,
|
|
offset, 1, TRUE);
|
|
}
|
|
offset++;
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_invoke_id, tvb, offset++, 1, TRUE);
|
|
if (bacapp_flags & 0x08) {
|
|
bacapp_seq = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(bacapp_tree_control, hf_bacapp_sequence_number, tvb,
|
|
offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree_control, hf_bacapp_window_size, tvb,
|
|
offset++, 1, TRUE);
|
|
}
|
|
*tt = proto_tree_add_item(bacapp_tree, hf_bacapp_service, tvb,
|
|
offset++, 1, TRUE);
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fConfirmedRequestPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Confirmed-Request */
|
|
/* ASHRAE 135-2001 20.1.2 */
|
|
gint svc;
|
|
proto_item *tt = 0;
|
|
|
|
offset = fStartConfirmed(tvb, bacapp_tree, offset, 0, &svc, &tt);
|
|
if (bacapp_seq > 0) /* Can't handle continuation segments, so just treat as data */
|
|
{
|
|
proto_tree_add_text(bacapp_tree, tvb, offset, 0, "(continuation)");
|
|
return offset;
|
|
}
|
|
else
|
|
{
|
|
/* Service Request follows... Variable Encoding 20.2ff */
|
|
return fConfirmedServiceRequest (tvb, bacapp_tree, offset, svc);
|
|
}
|
|
}
|
|
|
|
static guint
|
|
fUnconfirmedRequestPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Unconfirmed-Request-PDU */
|
|
/* ASHRAE 135-2001 20.1.3 */
|
|
|
|
gint tmp;
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset++, 1, TRUE);
|
|
|
|
tmp = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_uservice, tvb,
|
|
offset++, 1, TRUE);
|
|
/* Service Request follows... Variable Encoding 20.2ff */
|
|
return fUnconfirmedServiceRequest (tvb, bacapp_tree, offset, tmp);
|
|
}
|
|
|
|
static guint
|
|
fSimpleAckPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Simple-Ack-PDU */
|
|
/* ASHRAE 135-2001 20.1.4 */
|
|
|
|
proto_item *tc;
|
|
|
|
tc = proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset++, 1, TRUE);
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_invoke_id, tvb,
|
|
offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_service, tvb,
|
|
offset++, 1, TRUE);
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fComplexAckPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Complex-Ack-PDU */
|
|
/* ASHRAE 135-2001 20.1.5 */
|
|
gint svc;
|
|
proto_item *tt = 0;
|
|
|
|
offset = fStartConfirmed(tvb, bacapp_tree, offset, 1, &svc, &tt);
|
|
|
|
if (bacapp_seq > 0) /* Can't handle continuation segments, so just treat as data */
|
|
{
|
|
proto_tree_add_text(bacapp_tree, tvb, offset, 0, "(continuation)");
|
|
return offset;
|
|
}
|
|
else
|
|
{
|
|
/* Service ACK follows... */
|
|
return fConfirmedServiceAck (tvb, bacapp_tree, offset, svc);
|
|
}
|
|
}
|
|
|
|
|
|
static guint
|
|
fSegmentAckPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-SegmentAck-PDU */
|
|
/* ASHRAE 135-2001 20.1.6 */
|
|
|
|
proto_item *tc;
|
|
proto_tree *bacapp_tree_control;
|
|
|
|
tc = proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset, 1, TRUE);
|
|
bacapp_tree_control = proto_item_add_subtree(tc, ett_bacapp);
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_NAK, tvb, offset, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_SRV, tvb, offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_invoke_id, tvb,
|
|
offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_sequence_number, tvb,
|
|
offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_window_size, tvb,
|
|
offset++, 1, TRUE);
|
|
return offset;
|
|
}
|
|
|
|
static guint fContextTaggedError(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint8 tag_info = 0;
|
|
guint8 parsed_tag = 0;
|
|
guint32 lvt = 0;
|
|
offset += fTagHeaderTree(tvb, tree, offset, &parsed_tag, &tag_info, &lvt);
|
|
offset = fError(tvb, tree, offset);
|
|
return offset + fTagHeaderTree(tvb, tree, offset, &parsed_tag, &tag_info, &lvt);
|
|
}
|
|
|
|
static guint
|
|
fConfirmedPrivateTransferError(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* errorType */
|
|
offset = fContextTaggedError(tvb,tree,offset);
|
|
break;
|
|
case 1: /* vendorID */
|
|
offset = fUnsignedTag (tvb,tree,offset,"vendor ID: ");
|
|
break;
|
|
case 2: /* serviceNumber */
|
|
offset = fUnsignedTag (tvb,tree,offset,"service Number: ");
|
|
break;
|
|
case 3: /* errorParameters */
|
|
offset = fAbstractSyntaxNType (tvb, tree, offset);
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fCreateObjectError(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* errorType */
|
|
offset = fContextTaggedError(tvb,tree,offset);
|
|
break;
|
|
case 1: /* firstFailedElementNumber */
|
|
offset = fUnsignedTag (tvb,tree,offset,"first failed element number: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fChangeListError(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* errorType */
|
|
offset = fContextTaggedError(tvb,tree,offset);
|
|
break;
|
|
case 1: /* firstFailedElementNumber */
|
|
offset = fUnsignedTag (tvb,tree,offset,"first failed element number: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
#if 0
|
|
static guint
|
|
fVTSession(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
if (tvb_length_remaining(tvb, offset) > 0) { /* don't loop */
|
|
offset = fUnsignedTag (tvb,tree,offset, "local-VTSessionID: ");
|
|
offset = fUnsignedTag (tvb,tree,offset, "remote-VTSessionID: ");
|
|
offset = fAddress (tvb,tree,offset);
|
|
}
|
|
return offset;
|
|
}
|
|
#endif
|
|
|
|
static guint
|
|
fVTCloseError(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* errorType */
|
|
offset = fContextTaggedError(tvb,tree,offset);
|
|
break;
|
|
case 1: /* listOfVTSessionIdentifiers */
|
|
offset = fUnsignedTag (tvb,tree,offset,"VT SessionID: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fWritePropertyMultipleError(tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
guint lastoffset = 0;
|
|
|
|
while ((tvb_length_remaining(tvb, offset) > 0)&&(offset>lastoffset)) { /* exit loop if nothing happens inside */
|
|
lastoffset = offset;
|
|
switch (fTagNo(tvb, offset)) {
|
|
case 0: /* errorType */
|
|
offset = fContextTaggedError(tvb,tree,offset);
|
|
break;
|
|
case 1: /* firstFailedWriteAttempt */
|
|
offset = fUnsignedTag (tvb,tree,offset,"first failed write attempt: ");
|
|
break;
|
|
default:
|
|
return offset;
|
|
}
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fError (tvbuff_t *tvb, proto_tree *tree, guint offset)
|
|
{
|
|
offset = fApplicationTypesEnumeratedSplit (tvb, tree, offset,
|
|
"error Class: ", BACnetErrorClass, 64);
|
|
return fApplicationTypesEnumeratedSplit (tvb, tree, offset,
|
|
"error Code: ", BACnetErrorCode, 256);
|
|
}
|
|
|
|
static guint
|
|
fBACnetError (tvbuff_t *tvb, proto_tree *tree, guint offset, guint service)
|
|
{
|
|
switch (service) {
|
|
case 8: /* no break here !!!! */
|
|
case 9:
|
|
offset = fChangeListError (tvb, tree, offset);
|
|
break;
|
|
case 10:
|
|
offset = fCreateObjectError (tvb,tree,offset);
|
|
break;
|
|
case 16:
|
|
offset = fWritePropertyMultipleError (tvb,tree,offset);
|
|
break;
|
|
case 18:
|
|
offset = fConfirmedPrivateTransferError (tvb,tree,offset);
|
|
case 22:
|
|
offset = fVTCloseError (tvb,tree,offset);
|
|
default:
|
|
return fError (tvb, tree, offset);
|
|
break;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fErrorPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Error-PDU */
|
|
/* ASHRAE 135-2001 20.1.7 */
|
|
|
|
proto_item *tc, *tt;
|
|
proto_tree *bacapp_tree_control;
|
|
guint8 tmp;
|
|
|
|
tc = proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset++, 1, TRUE);
|
|
bacapp_tree_control = proto_item_add_subtree(tc, ett_bacapp);
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_invoke_id, tvb,
|
|
offset++, 1, TRUE);
|
|
tmp = tvb_get_guint8(tvb, offset);
|
|
tt = proto_tree_add_item(bacapp_tree, hf_bacapp_service, tvb,
|
|
offset++, 1, TRUE);
|
|
/* Error Handling follows... */
|
|
return fBACnetError (tvb, bacapp_tree, offset, tmp);
|
|
}
|
|
|
|
static guint
|
|
fRejectPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Reject-PDU */
|
|
/* ASHRAE 135-2001 20.1.8 */
|
|
|
|
proto_item *tc;
|
|
proto_tree *bacapp_tree_control;
|
|
|
|
tc = proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset++, 1, TRUE);
|
|
bacapp_tree_control = proto_item_add_subtree(tc, ett_bacapp);
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_invoke_id, tvb,
|
|
offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_BACnetRejectReason, tvb,
|
|
offset++, 1, TRUE);
|
|
return offset;
|
|
}
|
|
|
|
static guint
|
|
fAbortPDU(tvbuff_t *tvb, proto_tree *bacapp_tree, guint offset)
|
|
{ /* BACnet-Abort-PDU */
|
|
/* ASHRAE 135-2001 20.1.9 */
|
|
|
|
proto_item *tc;
|
|
proto_tree *bacapp_tree_control;
|
|
|
|
tc = proto_tree_add_item(bacapp_tree, hf_bacapp_type, tvb, offset, 1, TRUE);
|
|
bacapp_tree_control = proto_item_add_subtree(tc, ett_bacapp);
|
|
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_SRV, tvb, offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_bacapp_invoke_id, tvb,
|
|
offset++, 1, TRUE);
|
|
proto_tree_add_item(bacapp_tree, hf_BACnetAbortReason, tvb,
|
|
offset++, 1, TRUE);
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
dissect_bacapp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
gint8 tmp, bacapp_type;
|
|
tvbuff_t *next_tvb;
|
|
guint offset = 0;
|
|
guint8 bacapp_service, bacapp_reason;
|
|
guint8 bacapp_invoke_id;
|
|
proto_item *ti;
|
|
proto_tree *bacapp_tree;
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "BACnet-APDU");
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_add_str(pinfo->cinfo, COL_INFO, "BACnet APDU ");
|
|
|
|
tmp = (gint) tvb_get_guint8(tvb, 0);
|
|
bacapp_type = (tmp >> 4) & 0x0f;
|
|
|
|
/* show some descriptive text in the INFO column */
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(bacapp_type, BACnetTypeName, "#### unknown APDU ##### "));
|
|
switch (bacapp_type)
|
|
{
|
|
case BACAPP_TYPE_CONFIRMED_SERVICE_REQUEST:
|
|
/* segmented messages have 2 additional bytes */
|
|
if (tmp & BACAPP_SEGMENTED_REQUEST)
|
|
{
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 4);
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 5);
|
|
}
|
|
else
|
|
{
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 2);
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 3);
|
|
}
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[invoke:%d]: %s",
|
|
bacapp_invoke_id,
|
|
val_to_str(bacapp_service,
|
|
BACnetConfirmedServiceChoice,
|
|
bacapp_unknown_service_str));
|
|
break;
|
|
case BACAPP_TYPE_UNCONFIRMED_SERVICE_REQUEST:
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 1);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, ": %s",
|
|
val_to_str(bacapp_service,
|
|
BACnetUnconfirmedServiceChoice,
|
|
bacapp_unknown_service_str));
|
|
break;
|
|
case BACAPP_TYPE_SIMPLE_ACK:
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 1);
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 2);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[invoke:%d]: %s",
|
|
bacapp_invoke_id,
|
|
val_to_str(bacapp_service,
|
|
BACnetConfirmedServiceChoice,
|
|
bacapp_unknown_service_str));
|
|
break;
|
|
case BACAPP_TYPE_COMPLEX_ACK:
|
|
/* segmented messages have 2 additional bytes */
|
|
if (tmp & BACAPP_SEGMENTED_REQUEST)
|
|
{
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 3);
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 4);
|
|
}
|
|
else
|
|
{
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 1);
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 2);
|
|
}
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[invoke:%d]: %s",
|
|
bacapp_invoke_id,
|
|
val_to_str(bacapp_service,
|
|
BACnetConfirmedServiceChoice,
|
|
bacapp_unknown_service_str));
|
|
break;
|
|
case BACAPP_TYPE_SEGMENT_ACK:
|
|
/* nothing more to add */
|
|
break;
|
|
case BACAPP_TYPE_ERROR:
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 1);
|
|
bacapp_service = tvb_get_guint8(tvb, offset + 2);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[invoke:%d]: %s",
|
|
bacapp_invoke_id,
|
|
val_to_str(bacapp_service,
|
|
BACnetConfirmedServiceChoice,
|
|
bacapp_unknown_service_str));
|
|
break;
|
|
case BACAPP_TYPE_REJECT:
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 1);
|
|
bacapp_reason = tvb_get_guint8(tvb, offset + 2);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[invoke:%d]: %s",
|
|
bacapp_invoke_id,
|
|
val_to_split_str(bacapp_reason,
|
|
64,
|
|
BACnetRejectReason,
|
|
ASHRAE_Reserved_Fmt,
|
|
Vendor_Proprietary_Fmt));
|
|
break;
|
|
case BACAPP_TYPE_ABORT:
|
|
bacapp_invoke_id = tvb_get_guint8(tvb, offset + 1);
|
|
bacapp_reason = tvb_get_guint8(tvb, offset + 2);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[invoke:%d]: %s",
|
|
bacapp_invoke_id,
|
|
val_to_split_str(bacapp_reason,
|
|
64,
|
|
BACnetAbortReason,
|
|
ASHRAE_Reserved_Fmt,
|
|
Vendor_Proprietary_Fmt));
|
|
break;
|
|
/* UNKNOWN */
|
|
default:
|
|
/* nothing more to add */
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_bacapp, tvb, offset, -1, FALSE);
|
|
bacapp_tree = proto_item_add_subtree(ti, ett_bacapp);
|
|
|
|
/* ASHRAE 135-2001 20.1.1 */
|
|
switch (bacapp_type) {
|
|
case BACAPP_TYPE_CONFIRMED_SERVICE_REQUEST: /* BACnet-Confirmed-Service-Request */
|
|
offset = fConfirmedRequestPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_UNCONFIRMED_SERVICE_REQUEST: /* BACnet-Unconfirmed-Request-PDU */
|
|
offset = fUnconfirmedRequestPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_SIMPLE_ACK: /* BACnet-Simple-Ack-PDU */
|
|
offset = fSimpleAckPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_COMPLEX_ACK: /* BACnet-Complex-Ack-PDU */
|
|
offset = fComplexAckPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_SEGMENT_ACK: /* BACnet-SegmentAck-PDU */
|
|
offset = fSegmentAckPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_ERROR: /* BACnet-Error-PDU */
|
|
offset = fErrorPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_REJECT: /* BACnet-Reject-PDU */
|
|
offset = fRejectPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
case BACAPP_TYPE_ABORT: /* BACnet-Abort-PDU */
|
|
offset = fAbortPDU(tvb, bacapp_tree, offset);
|
|
break;
|
|
}
|
|
}
|
|
|
|
next_tvb = tvb_new_subset(tvb,offset,-1,tvb_length_remaining(tvb,offset));
|
|
call_dissector(data_handle,next_tvb, pinfo, tree);
|
|
}
|
|
|
|
void
|
|
proto_register_bacapp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_bacapp_type,
|
|
{ "APDU Type", "bacapp.type",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetTypeName), 0xf0, "APDU Type", HFILL }
|
|
},
|
|
{ &hf_bacapp_pduflags,
|
|
{ "PDU Flags", "bacapp.pduflags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0f, "PDU Flags", HFILL }
|
|
},
|
|
{ &hf_bacapp_SEG,
|
|
{ "Segmented Request", "bacapp.segmented_request",
|
|
FT_BOOLEAN, 8, TFS(&segments_follow), 0x08, "Segmented Request", HFILL }
|
|
},
|
|
{ &hf_bacapp_MOR,
|
|
{ "More Segments", "bacapp.more_segments",
|
|
FT_BOOLEAN, 8, TFS(&more_follow), 0x04, "More Segments Follow", HFILL }
|
|
},
|
|
{ &hf_bacapp_SA,
|
|
{ "SA", "bacapp.SA",
|
|
FT_BOOLEAN, 8, TFS(&segmented_accept), 0x02, "Segmented Response accepted", HFILL }
|
|
},
|
|
{ &hf_bacapp_max_adpu_size,
|
|
{ "Size of Maximum ADPU accepted", "bacapp.max_adpu_size",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetMaxAPDULengthAccepted), 0x0f, "Size of Maximum ADPU accepted", HFILL }
|
|
},
|
|
{ &hf_bacapp_response_segments,
|
|
{ "Max Response Segments accepted", "bacapp.response_segments",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetMaxSegmentsAccepted), 0x70, "Max Response Segments accepted", HFILL }
|
|
},
|
|
{ &hf_bacapp_objectType,
|
|
{ "Object Type", "bacapp.objectType",
|
|
FT_UINT32, BASE_DEC, VALS(BACnetObjectType), 0xffc00000, "Object Type", HFILL }
|
|
},
|
|
{ &hf_bacapp_instanceNumber,
|
|
{ "Instance Number", "bacapp.instance_number",
|
|
FT_UINT32, BASE_DEC, NULL, 0x003fffff, "Instance Number", HFILL }
|
|
},
|
|
{ &hf_bacapp_invoke_id,
|
|
{ "Invoke ID", "bacapp.invoke_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0, "Invoke ID", HFILL }
|
|
},
|
|
{ &hf_bacapp_sequence_number,
|
|
{ "Sequence Number", "bacapp.sequence_number",
|
|
FT_UINT8, BASE_DEC, NULL, 0, "Sequence Number", HFILL }
|
|
},
|
|
{ &hf_bacapp_window_size,
|
|
{ "Proposed Window Size", "bacapp.window_size",
|
|
FT_UINT8, BASE_DEC, NULL, 0, "Proposed Window Size", HFILL }
|
|
},
|
|
{ &hf_bacapp_service,
|
|
{ "Service Choice", "bacapp.confirmed_service",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetConfirmedServiceChoice), 0x00, "Service Choice", HFILL }
|
|
},
|
|
{ &hf_bacapp_uservice,
|
|
{ "Unconfirmed Service Choice", "bacapp.unconfirmed_service",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetUnconfirmedServiceChoice), 0x00, "Unconfirmed Service Choice", HFILL }
|
|
},
|
|
{ &hf_bacapp_NAK,
|
|
{ "NAK", "bacapp.NAK",
|
|
FT_BOOLEAN, 8, NULL, 0x02, "negativ ACK", HFILL }
|
|
},
|
|
{ &hf_bacapp_SRV,
|
|
{ "SRV", "bacapp.SRV",
|
|
FT_BOOLEAN, 8, NULL, 0x01, "Server", HFILL }
|
|
},
|
|
{ &hf_BACnetRejectReason,
|
|
{ "Reject Reason", "bacapp.reject_reason",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetRejectReason), 0x00, "Reject Reason", HFILL }
|
|
},
|
|
{ &hf_BACnetAbortReason,
|
|
{ "Abort Reason", "bacapp.abort_reason",
|
|
FT_UINT8, BASE_DEC, VALS(BACnetAbortReason), 0x00, "Abort Reason", HFILL }
|
|
},
|
|
{ &hf_bacapp_vpart,
|
|
{ "BACnet APDU variable part:", "bacapp.variable_part",
|
|
FT_NONE, 0, NULL, 0, "BACnet APDU variable part", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag,
|
|
{ "BACnet Tag",
|
|
"bacapp.tag",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"BACnet Tag", HFILL }
|
|
},
|
|
{ &hf_BACnetApplicationTagNumber,
|
|
{ "Application Tag Number",
|
|
"bacapp.application_tag_number",
|
|
FT_UINT8, BASE_DEC, VALS(&BACnetApplicationTagNumber), 0xF0,
|
|
"Application Tag Number", HFILL }
|
|
},
|
|
{ &hf_BACnetContextTagNumber,
|
|
{ "Context Tag Number",
|
|
"bacapp.context_tag_number",
|
|
FT_UINT8, BASE_DEC, NULL, 0xF0,
|
|
"Context Tag Number", HFILL }
|
|
},
|
|
{ &hf_BACnetExtendedTagNumber,
|
|
{ "Extended Tag Number",
|
|
"bacapp.extended_tag_number",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"Extended Tag Number", HFILL }
|
|
},
|
|
{ &hf_BACnetNamedTag,
|
|
{ "Named Tag",
|
|
"bacapp.named_tag",
|
|
FT_UINT8, BASE_DEC, VALS(&BACnetTagNames), 0x07,
|
|
"Named Tag", HFILL }
|
|
},
|
|
{ &hf_BACnetCharacterSet,
|
|
{ "String Character Set",
|
|
"bacapp.string_character_set",
|
|
FT_UINT8, BASE_DEC, VALS(&BACnetCharacterSet),0,
|
|
"String Character Set", HFILL }
|
|
},
|
|
{ &hf_BACnetTagClass,
|
|
{ "Tag Class", "bacapp.tag_class",
|
|
FT_BOOLEAN, 8, TFS(&BACnetTagClass), 0x08, "Tag Class", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag_lvt,
|
|
{ "Length Value Type",
|
|
"bacapp.LVT",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"Length Value Type", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag_value8,
|
|
{ "Tag Value",
|
|
"bacapp.tag_value8",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"Tag Value", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag_value16,
|
|
{ "Tag Value 16-bit",
|
|
"bacapp.tag_value16",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Tag Value 16-bit", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag_value32,
|
|
{ "Tag Value 32-bit",
|
|
"bacapp.tag_value32",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"Tag Value 32-bit", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag_ProcessId,
|
|
{ "ProcessIdentifier", "bacapp.processId",
|
|
FT_UINT32, BASE_DEC, NULL, 0, "Process Identifier", HFILL }
|
|
},
|
|
{ &hf_bacapp_tag_initiatingObjectType,
|
|
{ "ObjectType", "bacapp.objectType",
|
|
FT_UINT16, BASE_DEC, VALS(BACnetObjectType), 0x00, "Object Type", HFILL }
|
|
},
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_bacapp,
|
|
&ett_bacapp_control,
|
|
&ett_bacapp_tag,
|
|
&ett_bacapp_list,
|
|
&ett_bacapp_value,
|
|
};
|
|
proto_bacapp = proto_register_protocol("Building Automation and Control Network APDU",
|
|
"BACapp", "bacapp");
|
|
|
|
proto_register_field_array(proto_bacapp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
register_dissector("bacapp", dissect_bacapp, proto_bacapp);
|
|
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_bacapp(void)
|
|
{
|
|
data_handle = find_dissector("data");
|
|
}
|
|
|
|
guint32
|
|
fConvertXXXtoUTF8 (const guint8 *in, size_t *inbytesleft, guint8 *out, size_t *outbytesleft, const gchar *fromcoding)
|
|
{ /* I don't want to let in and out be modified */
|
|
#ifdef HAVE_CONFIG_H
|
|
#if HAVE_ICONV
|
|
guint32 i;
|
|
iconv_t icd;
|
|
const guint8 *inp = in;
|
|
guint8 *outp = out;
|
|
const guint8 **inpp = &inp;
|
|
guint8 **outpp = &outp;
|
|
|
|
if ((icd = iconv_open ("UTF-8", fromcoding)) != (iconv_t) -1) {
|
|
i = iconv (icd, (char**) inpp, inbytesleft, (char**) outpp, outbytesleft);
|
|
*outpp[0] = '\0';
|
|
iconv_close (icd);
|
|
return i;
|
|
}
|
|
|
|
#endif
|
|
#endif
|
|
|
|
memcpy (out, in, *inbytesleft);
|
|
out[*inbytesleft] = '\0';
|
|
*outbytesleft -= *inbytesleft;
|
|
*inbytesleft = 0;
|
|
|
|
return 0;
|
|
}
|
|
|