Work in proggress. Added skeleton files for SCCP and TCAP implementation.
git-svn-id: http://yate.null.ro/svn/yate/trunk@760 acf43c95-373e-0410-b603-e72c3f656dc1
This commit is contained in:
paulc
parent
d78ea3e5eb
commit
6321d3df7f
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@ -13,9 +13,10 @@ INCFILES := @top_srcdir@/yateclass.h @srcdir@/yatess7.h
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PROGS=
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LIBS = libyatess7.a
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OBJS = engine.o router.o sigcall.o \
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OBJS = engine.o sigcall.o sigtran.o \
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layer2.o layer3.o \
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sigtran.o
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router.o sccp.o tcap.o \
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q921.o q931.o
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LOCALFLAGS =
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LOCALLIBS =
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@ -0,0 +1,29 @@
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/**
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* sccp.cpp
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* Yet Another SS7 Stack
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2006 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "yatess7.h"
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using namespace TelEngine;
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/* vi: set ts=8 sw=4 sts=4 noet: */
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@ -0,0 +1,29 @@
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/**
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* tcap.cpp
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* Yet Another SS7 Stack
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2006 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "yatess7.h"
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using namespace TelEngine;
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/* vi: set ts=8 sw=4 sts=4 noet: */
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@ -72,25 +72,39 @@ Inherited by: SS7MTP2, ISDNQ921
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SS7Layer2
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---------
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Provides Data Link control to interface to SS7 Layer 3 (MTP3)
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- pushes Message Signal Units (MSU) to layer 3
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- sends out MSUs received from layer 3
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Provides Data Link control to interface to a L2User, usually SS7 Layer 3 (MTP3)
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- pushes Message Signal Units (MSU) to user
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- sends out MSUs received from user interface
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- generates notifications about data link status to upper layers
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- activates or deactivates the link as requested from the upper layers
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Inherited by: SS7MTP2, SS7M2PA, SS7M2UA
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SS7L2User
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---------
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Connects to a SS7 Layer 2 interface
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- pushes MSUs to Layer 2
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- receives MSUs and notifications from Layer2
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Used internally by: SS7MTP3
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SS7Layer3
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---------
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Provides SS7 network layer functions
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Provides SS7 network layer functions to a L3User, usually a SS7Router
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- forwards messages to a router to be distributed
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- properly label and send out MSUs received from services
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Inherited by: SS7MTP3, SS7M3UA
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SS7L3User
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---------
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Connects to a SS7 Layer 3 interface
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- forwards messages to the connected Layer 3
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- sends messages to Layer 3
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Used internally by: SS7Router
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SS7Layer4
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---------
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Application (Layer 4) interface
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- gets messages from Layer 3
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- sends messages to Layer 3
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- gets messages from a SS7Router
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- sends messages to a SS7Router
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- receives network status notifications
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Inherited by: SS7ISUP, SS7BISUP, SS7TUP, SS7SCCP
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@ -166,7 +180,7 @@ SS7MTP3
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-------
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Provides an implementation of ITU MTP3 on top of one or more Data Links (SS7
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Layer 2) and takes care of load balancing and link failover.
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Implements: SS7Layer3
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Implements: SS7Layer3, SS7L2User
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SS7Router
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---------
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@ -226,3 +240,58 @@ ISDNIUA
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-------
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SIGTRAN implementation of Q.921 over SCTP/IP
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Implements: ISDNLayer2, SIGTRAN
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Standards and Recommendations
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=============================
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Basic SS7 concepts
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ITU-T: Q.700
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Message Transfer Part (MTP)
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ITU-T: Q.701 - Q.704, Q.706, Q.707
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Telephone User Part (TUP)
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ITU-T: Q.721 - Q.725
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Supplementary services
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ITU-T: Q.730 - Q.739
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ISDN User Part (ISUP)
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ITU-T: Q.761 - Q.764, Q.766
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Signalling Connection Control Part (SCCP)
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ITU-T: Q.711 - Q.714, Q.716
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Transaction Capabilities
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ITU-T: Q.771 - Q.775
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Operations Maintenance and Administration Part (OMAP)
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ITU-T: Q.750 - Q.755
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ISDN User-Network Interface - Link Layer specification
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ITU-T: Q.921
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ISDN User-Network Interface - Layer 3 specification for Basic Call Control
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ITU-T: Q.931
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ISDN Service Indicator Codings
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ITU-T: Q.939
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Usage of the Cause and Location Codes
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ITU-T: Q.850
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MTP2 User Peer-to-Peer Adaptation Layer
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IETF: RFC 4165
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MTP2 User Adaptation Layer
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IETF: RFC 3331
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MTP3 User Adaptation Layer
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IETF: RFC 3332
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SCCP User Adaptation Layer
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IETF: RFC 3868
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ISDN Q.921 User Adaptation Layer
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IETF: RFC 4233
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@ -50,8 +50,9 @@ namespace TelEngine {
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class SignallingEngine;
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class SignallingReceiver;
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class SCCPUser;
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class SS7Layer2;
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class SS7Layer3;
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class SS7Router;
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class SS7MTP3;
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class SS7TCAP;
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class ISDNLayer3;
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@ -162,7 +163,14 @@ public:
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* Attach a receiver to the interface
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* @param iface Pointer to receiver to attach
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*/
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void attach(SignallingReceiver* receiver);
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virtual void attach(SignallingReceiver* receiver);
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/**
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* Retrive the signalling receiver attached to this interface
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* @return Pointer to attached receiver, NULL if none
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*/
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inline SignallingReceiver* receiver() const
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{ return m_receiver; }
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private:
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SignallingReceiver* m_receiver;
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@ -179,9 +187,16 @@ public:
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* Attach a hardware interface to the data link
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* @param iface Pointer to interface to attach
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*/
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void attach(SignallingInterface* iface);
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virtual void attach(SignallingInterface* iface);
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protected:
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/**
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* Retrive the interface used by this receiver
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* @return Pointer to the attached interface or NULL
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*/
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inline SignallingInterface* iface() const
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{ return m_interface; }
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private:
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SignallingInterface* m_interface;
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};
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@ -241,10 +256,20 @@ class YSS7_API SCCPUser
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{
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public:
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/**
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* Attach as user to a SS7 SCCP
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* Attach as user to a SCCP
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* @param sccp Pointer to the SCCP to use
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*/
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virtual void attach(SCCP* sccp);
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/**
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* Retrive the SCCP to which this component is attached
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* @return Pointer to the attached SCCP or NULL
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*/
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inline SCCP* sccp() const
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{ return m_sccp; }
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private:
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SCCP* m_sccp;
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};
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/**
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@ -258,12 +283,27 @@ public:
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* Attach as user to a SS7 TCAP
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* @param tcap Pointer to the TCAP to use
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*/
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void attach(SS7TCAP* tcap);
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virtual void attach(SS7TCAP* tcap);
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protected:
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/**
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* Retrive the TCAP to which this user is attached
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* @return Pointer to a SS7 TCAP interface or NULL
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*/
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inline SS7TCAP* tcap() const
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{ return m_tcap; }
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private:
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SS7TCAP* m_tcap;
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};
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/**
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* An user of a Layer 2 (data link) SS7 message transfer part
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* @short Abstract user of SS7 layer 2 (data link) message transfer part
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*/
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class YSS7_API SS7L2User : virtual public SignallingComponent
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{
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};
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/**
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* An interface to a Layer 2 (data link) SS7 message transfer part
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* @short Abstract SS7 layer 2 (data link) message transfer part
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@ -272,20 +312,30 @@ class YSS7_API SS7Layer2 : virtual public SignallingComponent
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{
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public:
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/**
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* Attach a SS7 MTP3 (network) to the data link
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* @param mtp3 Pointer to network to attach
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* Attach a Layer 2 user component to the data link
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* @param l2user Pointer to Layer 2 user component to attach
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*/
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void attach(SS7MTP3* mtp3);
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void attach(SS7L2User* l2user);
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/**
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* Get the MTP3 network that works with this data link
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* @return Pointer to the SS7MTP3 to which the messages are sent
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* Get the Layer 2 user component that works with this data link
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* @return Pointer to the user component to which the messages are sent
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*/
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inline SS7MTP3* mtp3() const
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{ return m_mtp3; }
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inline SS7L2User* user() const
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{ return m_l2user; }
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protected:
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SS7MTP3* m_mtp3;
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private:
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SS7L2User* m_l2user;
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};
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/**
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* An user of a Layer 3 (data link) SS7 message transfer part
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* @short Abstract user of SS7 layer 3 (network) message transfer part
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*/
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class YSS7_API SS7L3User : virtual public SignallingComponent
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{
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private:
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SS7Layer3* m_layer3;
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};
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/**
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@ -296,20 +346,20 @@ class YSS7_API SS7Layer3 : virtual public SignallingComponent
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{
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public:
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/**
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* Attach a SS7 router to this network
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* @param router Pointer to router to attach
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* Attach a Layer 3 user component to this network
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* @param l3user Pointer to Layer 3 user component to attach
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*/
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void attach(SS7Router* router);
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void attach(SS7L3User* l3user);
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/**
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* Retrive the SS7 Message Router to which this network is attached
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* @return Pointer to the router this network is attached to
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* Retrive the Layer 3 user component to which this network is attached
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* @return Pointer to the Layer 3 user this network is attached to
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*/
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inline SS7Router* router() const
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{ return m_router; }
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inline SS7L3User* user() const
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{ return m_l3user; }
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private:
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SS7Router* m_router;
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SS7L3User* m_l3user;
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};
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/**
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@ -338,7 +388,7 @@ private:
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/**
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* A message router between Transfer and Application layers.
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* Messages are distributed according to the service type
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* Messages are distributed according to the service type.
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* @short Message router between Layer 3 and Layer 4
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*/
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class YSS7_API SS7Router : public SignallingComponent
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@ -356,13 +406,15 @@ public:
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*/
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void attach(SS7Layer4* service);
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private:
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protected:
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ObjList m_layer3;
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ObjList m_layer4;
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};
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/**
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* RFC4165 SS7 Layer 2 implementation over SCTP/IP
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* RFC4165 SS7 Layer 2 implementation over SCTP/IP.
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* M2PA is intended to be used as a symmetrical Peer-to-Peer replacement of
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* a hardware based SS7 data link.
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* @short SIGTRAN MTP2 User Peer-to-Peer Adaptation Layer
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*/
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class YSS7_API SS7M2PA : public SS7Layer2, public SIGTRAN
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@ -370,7 +422,9 @@ class YSS7_API SS7M2PA : public SS7Layer2, public SIGTRAN
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};
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/**
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* RFC3331 SS7 Layer 2 implementation over SCTP/IP
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* RFC3331 SS7 Layer 2 implementation over SCTP/IP.
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* M2UA is intended to be used as a Provider-User where real MTP2 runs on a
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* Signalling Gateway and MTP3 runs on an Application Server.
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* @short SIGTRAN MTP2 User Adaptation Layer
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*/
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class YSS7_API SS7M2UA : public SS7Layer2, public SIGTRAN
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@ -378,7 +432,9 @@ class YSS7_API SS7M2UA : public SS7Layer2, public SIGTRAN
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};
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/**
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* RFC3332 SS7 Layer 3 implementation over SCTP/IP
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* RFC3332 SS7 Layer 3 implementation over SCTP/IP.
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* M3UA is intended to be used as a Provider-User where real MTP3 runs on a
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* Signalling Gateway and MTP users are located on an Application Server.
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* @short SIGTRAN MTP3 User Adaptation Layer
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*/
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class YSS7_API SS7M3UA : public SS7Layer3, public SIGTRAN
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@ -386,7 +442,7 @@ class YSS7_API SS7M3UA : public SS7Layer3, public SIGTRAN
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};
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/**
|
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*
|
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* Q.703 SS7 Layer 2 (Data Link) implementation on top of a hardware interface
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* @short SS7 Layer 2 implementation on top of a hardware interface
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*/
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class YSS7_API SS7MTP2 : public SS7Layer2, public SignallingReceiver
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|
@ -394,7 +450,7 @@ class YSS7_API SS7MTP2 : public SS7Layer2, public SignallingReceiver
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};
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||||
/**
|
||||
*
|
||||
* Q.704 SS7 Layer 3 (Network) implementation on top of SS7 Layer 2
|
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* @short SS7 Layer 3 implementation on top of Layer 2
|
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*/
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class YSS7_API SS7MTP3 : public SS7Layer3
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|
@ -406,7 +462,7 @@ public:
|
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*/
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void attach(SS7Layer2* link);
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|
||||
private:
|
||||
protected:
|
||||
ObjList m_links;
|
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};
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|
@ -444,6 +500,8 @@ class YSS7_API SS7SCCP : public SS7Layer4, public SCCP
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/**
|
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* RFC3868 SS7 SCCP implementation over SCTP/IP
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* SUA is intended to be used as a Provider-User where real SCCP runs on a
|
||||
* Signalling Gateway and SCCP users are located on an Application Server.
|
||||
* @short SIGTRAN SCCP User Adaptation Layer
|
||||
*/
|
||||
class YSS7_API SS7SUA : public SIGTRAN, public SCCP
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|
@ -456,7 +514,7 @@ class YSS7_API SS7SUA : public SIGTRAN, public SCCP
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|||
*/
|
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class YSS7_API SS7ASP : public SCCPUser, virtual public SignallingComponent
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{
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private:
|
||||
protected:
|
||||
ObjList m_sccps;
|
||||
};
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||||
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|
@ -472,6 +530,8 @@ class YSS7_API SS7TCAP : public ASPUser, virtual public SignallingComponent
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*/
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void attach(TCAPUser* user);
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protected:
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ObjList* m_users;
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};
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|
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// The following classes are ISDN, not SS7, but they use the same signalling
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|
@ -488,6 +548,9 @@ class YSS7_API ISDNLayer2 : virtual public SignallingComponent
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* @param user Pointer to the Q.931 call control to attach
|
||||
*/
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void attach(ISDNLayer3* q931);
|
||||
|
||||
private:
|
||||
ISDNLayer3* m_q931;
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -499,7 +562,7 @@ class YSS7_API ISDNLayer3 : virtual public SignallingComponent
|
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};
|
||||
|
||||
/**
|
||||
*
|
||||
* Q.921 ISDN Layer 2 implementation on top of a hardware HDLC interface
|
||||
* @short ISDN Q.921 implementation on top of a hardware interface
|
||||
*/
|
||||
class YSS7_API ISDNQ921 : public ISDNLayer2, public SignallingReceiver
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|
|
@ -508,6 +571,8 @@ class YSS7_API ISDNQ921 : public ISDNLayer2, public SignallingReceiver
|
|||
|
||||
/**
|
||||
* RFC4233 ISDN Layer 2 implementation over SCTP/IP
|
||||
* IUA is intended to be used as a Provider-User where Q.921 runs on a
|
||||
* Signalling Gateway and the user (Q.931) runs on an Application Server.
|
||||
* @short SIGTRAN ISDN Q.921 User Adaptation Layer
|
||||
*/
|
||||
class YSS7_API ISDNIUA : public ISDNLayer2, public SIGTRAN
|
||||
|
|
@ -515,7 +580,7 @@ class YSS7_API ISDNIUA : public ISDNLayer2, public SIGTRAN
|
|||
};
|
||||
|
||||
/**
|
||||
*
|
||||
* Q.931 ISDN Layer 3 implementation on top of a Layer 2
|
||||
* @short ISDN Q.931 implementation on top of Q.921
|
||||
*/
|
||||
class YSS7_API ISDNQ931 : public CallSignalling, public ISDNLayer3
|
||||
|
|
@ -525,6 +590,9 @@ class YSS7_API ISDNQ931 : public CallSignalling, public ISDNLayer3
|
|||
* @param user Pointer to the Q.921 transport to attach
|
||||
*/
|
||||
void attach(ISDNLayer2* q921);
|
||||
|
||||
private:
|
||||
ISDNLayer2* m_q921;
|
||||
};
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue