179 lines
7.4 KiB
C
179 lines
7.4 KiB
C
/* packet-calcappprotocol.c
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* Routines for the Calculation Application Protocol, a test application of the
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* rsplib RSerPool implementation
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* http://www.tdr.wiwi.uni-due.de/forschung/forschungsprojekte/reliable-server-pooling//
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*
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* Copyright 2006 by Thomas Dreibholz <dreibh [AT] exp-math.uni-essen.de>
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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
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/sctpppids.h>
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#define CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY 0x29097603
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void proto_register_calcappprotocol(void);
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void proto_reg_handoff_calcappprotocol(void);
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/* Initialize the protocol and registered fields */
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static int proto_calcappprotocol = -1;
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static int hf_message_type = -1;
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static int hf_message_flags = -1;
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static int hf_message_length = -1;
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static int hf_message_jobid = -1;
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static int hf_message_jobsize = -1;
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static int hf_message_completed = -1;
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/* Initialize the subtree pointers */
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static gint ett_calcappprotocol = -1;
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/* Dissectors for messages. This is specific to CalcAppProtocol */
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#define MESSAGE_TYPE_LENGTH 1
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#define MESSAGE_FLAGS_LENGTH 1
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#define MESSAGE_LENGTH_LENGTH 2
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#define MESSAGE_JOBID_LENGTH 4
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#define MESSAGE_JOBSIZE_LENGTH 8
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#define MESSAGE_COMPLETED_LENGTH 8
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#define MESSAGE_TYPE_OFFSET 0
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#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
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#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH)
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#define MESSAGE_JOBID_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
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#define MESSAGE_JOBSIZE_OFFSET (MESSAGE_JOBID_OFFSET + MESSAGE_JOBID_OFFSET)
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#define MESSAGE_COMPLETED_OFFSET (MESSAGE_JOBSIZE_OFFSET + MESSAGE_JOBSIZE_OFFSET)
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#define CALCAPP_REQUEST_MESSAGE_TYPE 1
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#define CALCAPP_ACCEPT_MESSAGE_TYPE 2
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#define CALCAPP_REJECT_MESSAGE_TYPE 3
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#define CALCAPP_ABORT_MESSAGE_TYPE 4
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#define CALCAPP_COMPLETE_MESSAGE_TYPE 5
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#define CALCAPP_KEEPALIVE_MESSAGE_TYPE 6
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#define CALCAPP_KEEPALIVE_ACK_MESSAGE_TYPE 7
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static const value_string message_type_values[] = {
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{ CALCAPP_REQUEST_MESSAGE_TYPE, "CalcApp Request" },
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{ CALCAPP_ACCEPT_MESSAGE_TYPE, "CalcApp Accept" },
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{ CALCAPP_REJECT_MESSAGE_TYPE, "CalcApp Reject" },
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{ CALCAPP_ABORT_MESSAGE_TYPE, "CalcApp Abort" },
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{ CALCAPP_COMPLETE_MESSAGE_TYPE, "CalcApp Complete" },
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{ CALCAPP_KEEPALIVE_MESSAGE_TYPE, "CalcApp Keep-Alive" },
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{ CALCAPP_KEEPALIVE_ACK_MESSAGE_TYPE, "CalcApp Keep-Alive Ack" },
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{ 0, NULL }
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};
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static void
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dissect_calcappprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *calcappprotocol_tree)
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{
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guint8 type;
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type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str_const(type, message_type_values, "Unknown CalcAppProtocol type"));
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proto_tree_add_item(calcappprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(calcappprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(calcappprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(calcappprotocol_tree, hf_message_jobid, message_tvb, MESSAGE_JOBID_OFFSET, MESSAGE_JOBID_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(calcappprotocol_tree, hf_message_jobsize, message_tvb, MESSAGE_JOBSIZE_OFFSET, MESSAGE_JOBSIZE_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(calcappprotocol_tree, hf_message_completed, message_tvb, MESSAGE_COMPLETED_OFFSET, MESSAGE_COMPLETED_LENGTH, ENC_BIG_ENDIAN);
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}
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static int
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dissect_calcappprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_item *calcappprotocol_item;
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proto_tree *calcappprotocol_tree;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "CalcAppProtocol");
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/* In the interest of speed, if "tree" is NULL, don't do any work not
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necessary to generate protocol tree items. */
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if (tree) {
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/* create the calcappprotocol protocol tree */
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calcappprotocol_item = proto_tree_add_item(tree, proto_calcappprotocol, message_tvb, 0, -1, ENC_NA);
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calcappprotocol_tree = proto_item_add_subtree(calcappprotocol_item, ett_calcappprotocol);
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} else {
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calcappprotocol_tree = NULL;
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};
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/* dissect the message */
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dissect_calcappprotocol_message(message_tvb, pinfo, calcappprotocol_tree);
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return(TRUE);
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}
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/* Register the protocol with Wireshark */
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void
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proto_register_calcappprotocol(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_message_type, { "Type", "calcappprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL } },
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{ &hf_message_flags, { "Flags", "calcappprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_message_length, { "Length", "calcappprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_message_jobid, { "JobID", "calcappprotocol.message_jobid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_message_jobsize, { "JobSize", "calcappprotocol.message_jobsize", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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{ &hf_message_completed, { "Completed", "calcappprotocol.message_completed", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_calcappprotocol
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};
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/* Register the protocol name and description */
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proto_calcappprotocol = proto_register_protocol("Calculation Application Protocol", "CalcAppProtocol", "calcappprotocol");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_calcappprotocol, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_calcappprotocol(void)
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{
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dissector_handle_t calcappprotocol_handle;
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calcappprotocol_handle = create_dissector_handle(dissect_calcappprotocol, proto_calcappprotocol);
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dissector_add_uint("sctp.ppi", CALCAPPPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY, calcappprotocol_handle);
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dissector_add_uint("sctp.ppi", CALCAPP_PAYLOAD_PROTOCOL_ID, calcappprotocol_handle);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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