94b6e06060
git-svn-id: http://yate.null.ro/svn/yate/trunk@5287 acf43c95-373e-0410-b603-e72c3f656dc1
2275 lines
67 KiB
C++
2275 lines
67 KiB
C++
/**
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* yiaxchan.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* IAX channel
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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) 2004-2006 Null Team
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* Author: Marian Podgoreanu
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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 <yatephone.h>
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#include <yateversn.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <yateiax.h>
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using namespace TelEngine;
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namespace { // anonymous
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static const TokenDict dict_payloads[] = {
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{"gsm", IAXFormat::GSM},
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{"ilbc30", IAXFormat::ILBC},
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{"speex", IAXFormat::SPEEX},
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{"lpc10", IAXFormat::LPC10},
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{"mulaw", IAXFormat::ULAW},
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{"alaw", IAXFormat::ALAW},
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{"g723", IAXFormat::G723_1},
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{"g729", IAXFormat::G729},
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{"adpcm", IAXFormat::ADPCM},
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{"g726", IAXFormat::G726},
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{"slin", IAXFormat::SLIN},
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{"g722", IAXFormat::G722},
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{"amr", IAXFormat::AMR},
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{0, 0}
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};
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static const TokenDict dict_payloads_video[] = {
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{"h261", IAXFormat::H261},
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{"h263", IAXFormat::H263},
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{"h263p", IAXFormat::H263p},
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{"h264", IAXFormat::H264},
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{0, 0}
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};
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static const TokenDict dict_tos[] = {
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{ "lowdelay", Socket::LowDelay },
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{ "throughput", Socket::MaxThroughput },
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{ "reliability", Socket::MaxReliability },
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{ "mincost", Socket::MinCost },
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{ 0, 0 }
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};
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class YIAXLineContainer;
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class YIAXEngine;
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class IAXURI;
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/*
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* Keep a single registration line
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*/
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class YIAXLine : public RefObject, public Mutex
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{
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friend class YIAXLineContainer;
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friend class YIAXEngine;
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public:
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YIAXLine(const String& name);
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virtual ~YIAXLine();
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virtual const String& toString() const
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{ return m_name; }
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inline bool registered() const
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{ return m_registered; }
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inline const String& username() const
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{ return m_username; }
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inline const String& password() const
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{ return m_password; }
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inline const String& callingNo() const
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{ return m_callingNo; }
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inline const String& callingName() const
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{ return m_callingName; }
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inline int expire() const
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{ return m_expire; }
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inline const String& localAddr() const
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{ return m_localAddr; }
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inline const String& remoteAddr() const
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{ return m_remoteAddr; }
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inline int localPort() const
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{ return m_localPort; }
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inline int remotePort() const
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{ return m_remotePort; }
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private:
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void setRegistered(bool registered, const char* reason = 0, const char* error = 0);
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String m_name;
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String m_username; // Username
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String m_password; // Password
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String m_callingNo; // Calling number
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String m_callingName; // Calling name
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int m_expire; // Expire time
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String m_localAddr;
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String m_remoteAddr;
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int m_localPort;
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int m_remotePort;
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u_int32_t m_nextReg; // Time to next registration
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u_int32_t m_nextKeepAlive; // Time to next keep alive signal
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bool m_registered; // Registered flag. If true the line is registered
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bool m_register; // Operation flag: True - register
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IAXTransaction* m_transaction;
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};
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/*
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* Line container: Add/Delete/Update/Register/Unregister lines
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*/
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class YIAXLineContainer : public Mutex
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{
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public:
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inline YIAXLineContainer() : Mutex(true,"YIAXLineContainer") {}
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inline ~YIAXLineContainer() {}
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/*
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* Logout and remove all lines
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* @param forced Forcedly remove lines synchronously
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*/
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void clear(bool forced = false);
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/*
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* Update a line from a message
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* This method is thread safe
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* @param msg Received message
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* @return True if the successfully updated
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*/
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bool updateLine(Message &msg);
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/*
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* Event handler for a registration.
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* @param event The event.
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*/
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void handleEvent(IAXEvent* event);
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/*
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* Terminate notification of a Register/Unregister operation
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* This method is thread safe
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* @param event The event (result)
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*/
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void regTerminate(IAXEvent* event);
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/*
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* Process an authentication request for a Register/Unregister operation
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* This method is thread safe
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* @param event The event (AuthReq)
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*/
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void regAuthReq(IAXEvent* event);
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/*
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* Timer notification
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* This method is thread safe
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* @param time Time
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*/
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void evTimer(Time& time);
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/*
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* Fill a named list from a line
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* This method is thread safe
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*/
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bool fillList(String& name, NamedList& dest, SocketAddr& addr, bool& registered);
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/*
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* Check if a line exists
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*/
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inline bool hasLine(const String& line)
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{ Lock lock(this); return findLine(line) != 0; }
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/**
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* Get a copy of the lines list
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*/
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inline ObjList* lines()
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{ Lock lock(this); return m_lines.skipNull();}
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protected:
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// Clear a line's transaction
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void clearTransaction(YIAXLine* line);
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// Change a line String parameter. Unregister it if changed
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bool changeLine(YIAXLine* line, String& dest, const String& src);
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bool changeLine(YIAXLine* line, int& dest, int src);
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// Update a line
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bool updateLine(YIAXLine* line, Message &msg);
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bool addLine(Message &msg);
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YIAXLine* findLine(const String& name);
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YIAXLine* findLine(YIAXLine* line);
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// (Un)register a line
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void registerLine(YIAXLine* line, bool reg);
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private:
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ObjList m_lines;
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};
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/*
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* Thread class for reading data from socket for the specified IAX engine
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*/
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class YIAX_API YIAXListener : public Thread
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{
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public:
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inline YIAXListener(YIAXEngine* engine, const char* name = 0, Priority prio = Normal)
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: Thread(name,prio), m_engine(engine)
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{}
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virtual void run();
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protected:
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YIAXEngine* m_engine;
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};
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/*
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* Thread class for reading events for the specified IAX engine
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*/
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class YIAX_API YIAXGetEvent : public Thread
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{
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public:
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inline YIAXGetEvent(YIAXEngine* engine, const char* name = 0, Priority prio = Normal)
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: Thread(name,prio), m_engine(engine)
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{}
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virtual void run();
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protected:
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YIAXEngine* m_engine;
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};
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/*
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* Thread class for sending trunked mini frames for the specified IAX engine
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*/
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class YIAX_API YIAXTrunking : public Thread
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{
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public:
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inline YIAXTrunking(YIAXEngine* engine, const char* name = 0, Priority prio = Normal)
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: Thread(name,prio), m_engine(engine)
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{}
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virtual void run();
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protected:
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YIAXEngine* m_engine;
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};
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/*
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* The IAX engine for this driver
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*/
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class YIAXEngine : public IAXEngine
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{
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public:
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/*
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* Constructor
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* @param iface Interface address to use
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* @param port UDP port to use
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* @param transListCount Number of entries in the transaction hash table
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* @param retransCount Retransmission counter for each transaction belonging to this engine
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* @param retransInterval Retransmission interval default value in miliseconds
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* @param authTimeout Timeout (in seconds) of acknoledged auth frames sent
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* @param transTimeout Timeout (in seconds) on remote request of transactions belonging to this engine
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* @param maxFullFrameDataLen Max full frame IE list (buffer) length
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* @param trunkSendInterval Send trunk meta frame interval
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* @param authRequired Automatically challenge all clients for authentication
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*/
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YIAXEngine(const char* iface, int port, u_int16_t transListCount, u_int16_t retransCount, u_int16_t retransInterval,
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u_int16_t authTimeout, u_int16_t transTimeout,
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u_int16_t maxFullFrameDataLen, u_int32_t trunkSendInterval, bool authRequired,
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NamedList* params);
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virtual ~YIAXEngine()
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{}
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/*
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* Process media from remote peer.
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* @param transaction IAXTransaction that owns the call leg
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* @param data Media data.
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* @param tStamp Media timestamp.
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* @param type Media type
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*/
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virtual void processMedia(IAXTransaction* transaction, DataBlock& data,
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u_int32_t tStamp, int type, bool mark);
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/*
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* Initiate an outgoing registration (release) request.
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* @param line YIAXLine pointer to use for registration.
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* @param regreq Registration request flag. If false a registration release will take place.
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* @return IAXTransaction pointer on success.
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*/
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IAXTransaction* reg(YIAXLine* line, bool regreq = true);
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/*
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* Initiate an aoutgoing call.
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* @param addr Address to poke.
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* @param params Call parameters.
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* @return IAXTransaction pointer on success.
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*/
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IAXTransaction* call(SocketAddr& addr, NamedList& params);
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/*
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* Initiate a test of existence of a remote IAX peer.
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* @param addr Address to poke.
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* @return IAXTransaction pointer on success.
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*/
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IAXTransaction* poke(SocketAddr& addr);
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/*
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* Start thread members
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* @param listenThreadCount Reading socket thread count.
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* @param eventThreadCount Reading event thread count.
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* @param trunkingThreadCount Trunking thread count.
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*/
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void start(u_int16_t listenThreadCount, u_int16_t eventThreadCount,u_int16_t trunkingThreadCount);
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// Initialize formats from config
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void initFormats(NamedList* params);
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protected:
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/*
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* Event handler for transaction with a connection.
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*/
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virtual void processEvent(IAXEvent* event);
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/*
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* Process a new format received with a full frame
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* @param trans Transaction that received the new format
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* @param type Media type
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* @param format The received format
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* @return True if accepted
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*/
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virtual bool mediaFormatChanged(IAXTransaction* trans, int type, u_int32_t format);
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/*
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* Event handler for incoming registration transactions.
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* @param event The event.
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* @param first True if this is the first request.
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* False if it is a response to an authentication request.
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*/
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void processRemoteReg(IAXEvent* event,bool first);
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/*
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* Send Register/Unregister messages to Engine
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* Return the message on success
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*/
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Message* userreg(IAXTransaction* tr, bool regrel = true);
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private:
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bool m_threadsCreated; // True if reading and get events threads were created
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};
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/*
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* YIAXDriver
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*/
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class YIAXDriver : public Driver
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{
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public:
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YIAXDriver();
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virtual ~YIAXDriver();
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virtual void initialize();
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virtual bool hasLine(const String& line) const;
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virtual bool msgExecute(Message& msg, String& dest);
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virtual bool msgRoute(Message& msg);
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virtual bool received(Message& msg, int id);
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// Retrieve the IAX engine
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inline YIAXEngine* getEngine() const
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{ return m_iaxEngine; }
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// Update codecs a list of parameters
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// @return False if the result is 0 (no intersection)
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bool updateCodecsFromRoute(u_int32_t& codecs, const NamedList& params, int type);
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// Dispatch user.auth
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// @tr The IAX transaction
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// @param response True if it is a response.
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// @param requestAuth True on exit: the caller should request authentication
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// @param invalidAuth True on exit: authentication response is incorrect
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// @param billid The billing ID parameter if available
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// @return False if not authenticated
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bool userAuth(IAXTransaction* tr, bool response, bool& requestAuth,
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bool& invalidAuth, const char* billid = 0);
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bool commandComplete(Message& msg, const String& partLine, const String& partWord);
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void msgStatus(Message& msg);
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protected:
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virtual void genUpdate(Message& msg);
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YIAXEngine* m_iaxEngine;
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unsigned int m_failedAuths;
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int m_port;
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};
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static YIAXLineContainer s_lines; // Lines
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static Thread::Priority s_priority = Thread::Normal; // Threads priority
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static bool s_callTokenOut = true; // Send an empty call token on outgoing calls
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static YIAXDriver iplugin; // Init the driver
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/*
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* YIAXRegDataHandler
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*/
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class YIAXRegDataHandler : public MessageHandler
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{
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public:
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YIAXRegDataHandler()
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: MessageHandler("user.login",150,iplugin.name())
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{ }
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virtual bool received(Message &msg);
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};
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class YIAXConnection;
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/*
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* Base class for data consumer/source
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*/
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class YIAXData
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{
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public:
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inline YIAXData(YIAXConnection* conn, u_int32_t format, int type)
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: m_connection(conn), m_total(0), m_format(format), m_type(type)
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{}
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inline u_int32_t format()
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{ return m_format; }
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protected:
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YIAXConnection* m_connection;
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unsigned m_total;
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u_int32_t m_format; // in IAX coding
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int m_type;
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};
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/*
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* Connection's data consumer
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*/
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class YIAXConsumer : public DataConsumer, public YIAXData
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{
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YCLASS(YIAXConsumer,DataConsumer)
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public:
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YIAXConsumer(YIAXConnection* conn, u_int32_t format, const char* formatText, int type);
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~YIAXConsumer();
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virtual unsigned long Consume(const DataBlock &data, unsigned long tStamp, unsigned long flags);
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};
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/*
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* Connection's data source
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*/
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class YIAXSource : public DataSource, public YIAXData
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{
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YCLASS(YIAXSource,DataSource)
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public:
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YIAXSource(YIAXConnection* conn, u_int32_t format, const char* formatText, int type);
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~YIAXSource();
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unsigned long Forward(const DataBlock &data, unsigned long tStamp, unsigned long flags);
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};
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/*
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* The connection
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*/
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class YIAXConnection : public Channel
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{
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public:
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YIAXConnection(YIAXEngine* iaxEngine, IAXTransaction* transaction, Message* msg = 0,
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NamedList* params = 0);
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virtual ~YIAXConnection();
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virtual void callAccept(Message& msg);
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virtual void callRejected(const char* error, const char* reason = 0, const Message* msg = 0);
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virtual bool callPrerouted(Message& msg, bool handled);
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virtual bool callRouted(Message& msg);
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virtual bool msgProgress(Message& msg);
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virtual bool msgRinging(Message& msg);
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virtual bool msgAnswered(Message& msg);
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virtual bool msgTone(Message& msg, const char* tone);
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virtual bool msgText(Message& msg, const char* text);
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virtual void disconnected(bool final, const char* reason);
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inline bool disconnect()
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{ return Channel::disconnect(m_reason,parameters()); }
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inline IAXTransaction* transaction() const
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{ return m_transaction; }
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inline bool mutedIn() const
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{ return m_mutedIn; }
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inline bool mutedOut() const
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{ return m_mutedOut; }
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void handleEvent(IAXEvent* event);
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bool route(bool authenticated = false);
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// Retrieve the data consumer from IAXFormat media type
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YIAXConsumer* getConsumer(int type);
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// Retrieve the data source from IAXFormat media type
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YIAXSource* getSource(int type);
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// Retrieve the data source from IAXFormat
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DataSource* getSourceMedia(int type);
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protected:
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// location: 0: from peer, else: from protocol
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void hangup(int location, const char* reason = 0, bool reject = false);
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void startMedia(bool in, int type = IAXFormat::Audio);
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void clearMedia(bool in, int type = IAXFormat::Audio);
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void evAuthRep(IAXEvent* event);
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void evAuthReq(IAXEvent* event);
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// Safe deref the connection if the reference counter was increased during registration
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void safeDeref();
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bool safeRefIncrease();
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private:
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YIAXEngine* m_iaxEngine; // IAX engine owning the transaction
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IAXTransaction* m_transaction; // IAX transaction
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String m_password; // Password for client authentication
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bool m_mutedIn; // No remote media accepted
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bool m_mutedOut; // No local media accepted
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bool m_audio; // Audio endpoint was used
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bool m_video; // Video endpoint was used
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String m_reason; // Call end reason text
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bool m_hangup; // Need to send chan.hangup message
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Mutex m_mutexTrans; // Safe m_transaction operations
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Mutex m_mutexRefIncreased; // Safe ref/deref connection
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bool m_refIncreased; // If true, the reference counter was increased
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RefPointer<DataSource> m_sources[IAXFormat::TypeCount]; // Keep all types of sources
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};
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/*
|
|
* An IAX URI parser
|
|
* [iax[2]:][username@]host[:port][/called_number[@called_context]]
|
|
*/
|
|
class IAXURI : public String
|
|
{
|
|
public:
|
|
inline IAXURI(String& s) : String(s), m_port(0), m_parsed(false) {}
|
|
inline IAXURI(const char* s) : String(s), m_port(0), m_parsed(false) {}
|
|
IAXURI(const char* user, const char* host, const char* calledNo, const char* calledContext, int port = 4569);
|
|
inline ~IAXURI() {}
|
|
void parse();
|
|
bool fillList(NamedList& dest);
|
|
bool setAddr(SocketAddr& dest);
|
|
inline const String& username() const
|
|
{ return m_username; }
|
|
inline const String& host() const
|
|
{ return m_host; }
|
|
inline int port() const
|
|
{ return m_port; }
|
|
inline const String& calledNo() const
|
|
{ return m_calledNo; }
|
|
inline const String& calledContext() const
|
|
{ return m_calledContext; }
|
|
protected:
|
|
inline IAXURI() {}
|
|
private:
|
|
String m_username;
|
|
String m_host;
|
|
int m_port;
|
|
String m_calledNo;
|
|
String m_calledContext;
|
|
bool m_parsed;
|
|
};
|
|
|
|
|
|
/*
|
|
* Local data
|
|
*/
|
|
static unsigned int s_expires_min = 60;
|
|
static unsigned int s_expires_def = 60;
|
|
static unsigned int s_expires_max = 3600;
|
|
|
|
static String s_statusCmd = "status";
|
|
|
|
// Retrieve data endpoint name from IAXFormat type
|
|
static inline const String& dataEpName(int type)
|
|
{
|
|
return IAXFormat::typeNameStr(type);
|
|
}
|
|
|
|
// Retrieve format name from IAXFormat type
|
|
static const char* lookupFormat(u_int32_t format, int type)
|
|
{
|
|
if (type == IAXFormat::Audio)
|
|
return lookup(format,dict_payloads);
|
|
if (type == IAXFormat::Video)
|
|
return lookup(format,dict_payloads_video);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Class definitions
|
|
*/
|
|
|
|
// Create an idle line
|
|
YIAXLine::YIAXLine(const String& name)
|
|
: Mutex(true,"IAX:Line"), m_name(name),
|
|
m_expire(60), m_localPort(4569), m_remotePort(4569),
|
|
m_nextReg(Time::secNow() + 40), m_nextKeepAlive(0),
|
|
m_registered(false),
|
|
m_register(true),
|
|
m_transaction(0)
|
|
{
|
|
DDebug(&iplugin,DebugAll,"YIAXLine(%s) [%p]",m_name.c_str(),this);
|
|
}
|
|
|
|
YIAXLine::~YIAXLine()
|
|
{
|
|
DDebug(&iplugin,DebugAll,"~YIAXLine(%s) [%p]",m_name.c_str(),this);
|
|
}
|
|
|
|
// Set the registered status, emits user.notify messages if necessary
|
|
void YIAXLine::setRegistered(bool registered, const char* reason, const char* error)
|
|
{
|
|
if ((m_registered == registered) && !reason)
|
|
return;
|
|
m_registered = registered;
|
|
if (m_username) {
|
|
Message* m = new Message("user.notify");
|
|
m->addParam("account",toString());
|
|
m->addParam("protocol","iax");
|
|
m->addParam("username",m_username);
|
|
m->addParam("registered",String::boolText(registered));
|
|
m->addParam("reason",reason,false);
|
|
m->addParam("error",error,false);
|
|
Engine::enqueue(m);
|
|
}
|
|
}
|
|
|
|
// Clear a line's transaction
|
|
void YIAXLineContainer::clearTransaction(YIAXLine* line)
|
|
{
|
|
if (!(line && line->m_transaction))
|
|
return;
|
|
IAXTransaction* trans = line->m_transaction;
|
|
line->m_transaction = 0;
|
|
trans->abortReg();
|
|
trans->setUserData(0);
|
|
}
|
|
|
|
// Change a line String parameter. Unregister it if changed
|
|
bool YIAXLineContainer::changeLine(YIAXLine* line, String& dest, const String& src)
|
|
{
|
|
if (!line || dest == src)
|
|
return false;
|
|
if (line->m_registered) {
|
|
line->m_registered = false;
|
|
registerLine(line,false);
|
|
}
|
|
dest = src;
|
|
return true;
|
|
}
|
|
|
|
// Change a line int parameter. Unregister it if changed
|
|
bool YIAXLineContainer::changeLine(YIAXLine* line, int& dest, int src)
|
|
{
|
|
if (!line || dest == src)
|
|
return false;
|
|
if (line->m_registered) {
|
|
line->m_registered = false;
|
|
registerLine(line,false);
|
|
}
|
|
dest = src;
|
|
return true;
|
|
}
|
|
|
|
// Find and update a line with parameters from message, create if needed
|
|
bool YIAXLineContainer::updateLine(Message& msg)
|
|
{
|
|
const String& op = msg["operation"];
|
|
bool login = (op != "logout" && op != "delete");
|
|
const String& name = msg["account"];
|
|
DDebug(&iplugin,DebugAll,"Updating line '%s'",name.c_str());
|
|
Lock lck(this);
|
|
YIAXLine* line = findLine(name);
|
|
if (!line) {
|
|
if (!login)
|
|
return false;
|
|
line = new YIAXLine(name);
|
|
line->ref();
|
|
m_lines.append(line);
|
|
}
|
|
lck.drop();
|
|
line->lock();
|
|
if (login) {
|
|
bool changed = !line->m_register;
|
|
String addr = msg.getValue("server",msg.getValue("domain"));
|
|
int pos = addr.find(":");
|
|
int port = -1;
|
|
if (pos >= 0) {
|
|
port = addr.substr(pos + 1).toInteger();
|
|
addr = addr.substr(0,pos);
|
|
}
|
|
else
|
|
port = msg.getIntValue("port");
|
|
if (port > 0)
|
|
changed = changeLine(line,line->m_remotePort,port);
|
|
changed = changeLine(line,line->m_remoteAddr,addr) || changed;
|
|
changed = changeLine(line,line->m_username,msg.getValue("username")) || changed;
|
|
changed = changeLine(line,line->m_password,msg.getValue("password")) || changed;
|
|
changed = changeLine(line,line->m_callingNo,msg.getValue("caller")) || changed;
|
|
changed = changeLine(line,line->m_callingName,msg.getValue("callername")) || changed;
|
|
int interval = msg.getIntValue("interval");
|
|
if (interval < 60)
|
|
interval = 60;
|
|
changed = changeLine(line,line->m_expire,interval) || changed;
|
|
if (changed || op == "login") {
|
|
line->m_nextReg = Time::secNow() + (line->m_expire * 3 / 4);
|
|
line->m_nextKeepAlive = 0;
|
|
registerLine(line,true);
|
|
}
|
|
}
|
|
else if (line->m_register)
|
|
registerLine(line,false);
|
|
line->unlock();
|
|
// The line might be removed in regTerminate()
|
|
Lock lock(this);
|
|
YIAXLine* l = findLine(line);
|
|
if (l) {
|
|
TelEngine::destruct(l);
|
|
TelEngine::destruct(line);
|
|
}
|
|
else
|
|
m_lines.append(line);
|
|
return true;
|
|
}
|
|
|
|
// Handle registration related transaction terminations
|
|
void YIAXLineContainer::regTerminate(IAXEvent* event)
|
|
{
|
|
if (!event)
|
|
return;
|
|
IAXTransaction* trans = event->getTransaction();
|
|
if (!trans)
|
|
return;
|
|
YIAXLine* line = findLine(static_cast<YIAXLine*>(trans->getUserData()));
|
|
if (!line) {
|
|
trans->setUserData(0);
|
|
return;
|
|
}
|
|
line->lock();
|
|
if (line->m_transaction != trans) {
|
|
line->unlock();
|
|
trans->setUserData(0);
|
|
return;
|
|
}
|
|
String reason;
|
|
bool ok = false;
|
|
switch (event->type()) {
|
|
case IAXEvent::Accept:
|
|
if (line->m_register) {
|
|
// Honor server registration refresh. Assume default (60) if missing
|
|
unsigned int interval = 60;
|
|
if (event->getList().getNumeric(IAXInfoElement::REFRESH,interval) && !interval)
|
|
interval = 60;
|
|
if (line->m_expire != (int)interval) {
|
|
DDebug(&iplugin,DebugNote,
|
|
"Line(%s) changed expire interval from %d to %u [%p]",
|
|
line->toString().c_str(),line->m_expire,interval,line);
|
|
line->m_expire = interval;
|
|
}
|
|
// re-register at 75% of the expire time
|
|
line->m_nextReg = Time::secNow() + (line->expire() * 3 / 4);
|
|
if (trans->callingNo())
|
|
line->m_callingNo = trans->callingNo();
|
|
if (trans->callingName())
|
|
line->m_callingName = trans->callingName();
|
|
}
|
|
ok = line->m_register;
|
|
break;
|
|
case IAXEvent::Reject:
|
|
// retry at 25% of the expire time
|
|
line->m_nextReg = Time::secNow() + (line->expire() / 4);
|
|
event->getList().getString(IAXInfoElement::CAUSE,reason);
|
|
break;
|
|
case IAXEvent::Timeout:
|
|
// retry at 50% of the expire time
|
|
line->m_nextReg = Time::secNow() + (line->expire() / 2);
|
|
reason = "timeout";
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
bool remove = false;
|
|
if (event->type() == IAXEvent::Accept ||
|
|
event->type() == IAXEvent::Reject ||
|
|
event->type() == IAXEvent::Timeout) {
|
|
const char* what = line->m_register ? "logon" : "logoff";
|
|
const char* tf = line->m_register ? "to" : "from";
|
|
if (event->type() == IAXEvent::Accept)
|
|
Debug(&iplugin,DebugCall,"IAX line '%s' %s success %s %s:%d",
|
|
line->toString().c_str(),what,tf,line->m_remoteAddr.c_str(),
|
|
line->m_remotePort);
|
|
else
|
|
Debug(&iplugin,DebugWarn,"IAX line '%s' %s failure %s %s:%d reason=%s",
|
|
line->toString().c_str(),what,tf,line->m_remoteAddr.c_str(),
|
|
line->m_remotePort,reason.safe());
|
|
clearTransaction(line);
|
|
line->setRegistered(ok,reason,event->type() == IAXEvent::Reject ? "noauth" : 0);
|
|
remove = !line->m_register;
|
|
}
|
|
line->unlock();
|
|
if (remove) {
|
|
Lock lock(this);
|
|
m_lines.remove(line);
|
|
}
|
|
TelEngine::destruct(line);
|
|
}
|
|
|
|
// Handle registration related authentication
|
|
void YIAXLineContainer::regAuthReq(IAXEvent* event)
|
|
{
|
|
if (!event || event->type() != IAXEvent::AuthReq)
|
|
return;
|
|
IAXTransaction* trans = event->getTransaction();
|
|
if (!trans)
|
|
return;
|
|
YIAXLine* line = findLine(static_cast<YIAXLine*>(trans->getUserData()));
|
|
if (!line) {
|
|
trans->setUserData(0);
|
|
return;
|
|
}
|
|
line->lock();
|
|
if (line->m_transaction == trans) {
|
|
String response;
|
|
iplugin.getEngine()->getMD5FromChallenge(response,trans->challenge(),line->password());
|
|
line->unlock();
|
|
trans->sendAuthReply(response);
|
|
}
|
|
else {
|
|
line->unlock();
|
|
trans->setUserData(0);
|
|
}
|
|
TelEngine::destruct(line);
|
|
}
|
|
|
|
// Handle registration related events
|
|
void YIAXLineContainer::handleEvent(IAXEvent* event)
|
|
{
|
|
switch (event->type()) {
|
|
case IAXEvent::Accept:
|
|
case IAXEvent::Reject:
|
|
case IAXEvent::Timeout:
|
|
regTerminate(event);
|
|
break;
|
|
case IAXEvent::AuthReq:
|
|
regAuthReq(event);
|
|
break;
|
|
default:
|
|
iplugin.getEngine()->defaultEventHandler(event);
|
|
}
|
|
}
|
|
|
|
// Tick the timer for all lines, send keepalives and reregister
|
|
void YIAXLineContainer::evTimer(Time& time)
|
|
{
|
|
u_int32_t sec = time.sec();
|
|
lock();
|
|
ListIterator iter(m_lines);
|
|
GenObject* gen = 0;
|
|
while (0 != (gen = iter.get())) {
|
|
RefPointer<YIAXLine> line = static_cast<YIAXLine*>(gen);
|
|
unlock();
|
|
if (line) {
|
|
line->lock();
|
|
if (sec > line->m_nextReg) {
|
|
line->m_nextReg += line->expire();
|
|
registerLine(line,line->m_register);
|
|
}
|
|
else if (line->m_registered && sec > line->m_nextKeepAlive) {
|
|
line->m_nextKeepAlive = sec + 25;
|
|
SocketAddr addr(AF_INET);
|
|
addr.host(line->remoteAddr());
|
|
addr.port(line->remotePort());
|
|
iplugin.getEngine()->keepAlive(addr);
|
|
}
|
|
line->unlock();
|
|
line = 0;
|
|
}
|
|
lock();
|
|
}
|
|
unlock();
|
|
}
|
|
|
|
// Fill parameters with information taken from line
|
|
bool YIAXLineContainer::fillList(String& name, NamedList& dest, SocketAddr& addr, bool& registered)
|
|
{
|
|
registered = false;
|
|
YIAXLine* line = findLine(name);
|
|
if (!line)
|
|
return false;
|
|
line->lock();
|
|
dest.setParam("username",line->username());
|
|
dest.setParam("password",line->password());
|
|
if (line->callingNo())
|
|
dest.setParam("caller",line->callingNo());
|
|
if (line->callingName())
|
|
dest.setParam("callername",line->callingName());
|
|
String a = line->remoteAddr();
|
|
int p = line->remotePort();
|
|
registered = line->registered();
|
|
line->unlock();
|
|
TelEngine::destruct(line);
|
|
addr.host(a);
|
|
addr.port(p);
|
|
return true;
|
|
}
|
|
|
|
// Find a line by name
|
|
YIAXLine* YIAXLineContainer::findLine(const String& name)
|
|
{
|
|
Lock lock(this);
|
|
ObjList* o = m_lines.find(name);
|
|
if (!o)
|
|
return 0;
|
|
YIAXLine* line = static_cast<YIAXLine*>(o->get());
|
|
line->ref();
|
|
return line;
|
|
}
|
|
|
|
// Find a line by address, return same if found
|
|
YIAXLine* YIAXLineContainer::findLine(YIAXLine* line)
|
|
{
|
|
if (!line)
|
|
return 0;
|
|
Lock lock(this);
|
|
if (!m_lines.find(line))
|
|
return 0;
|
|
line->ref();
|
|
return line;
|
|
}
|
|
|
|
// Initiate line (un)register
|
|
void YIAXLineContainer::registerLine(YIAXLine* line, bool reg)
|
|
{
|
|
if (!line)
|
|
return;
|
|
line->m_register = reg;
|
|
clearTransaction(line);
|
|
iplugin.getEngine()->reg(line,reg);
|
|
}
|
|
|
|
// Unregister all lines
|
|
void YIAXLineContainer::clear(bool forced)
|
|
{
|
|
if (forced) {
|
|
Lock lock(this);
|
|
m_lines.clear();
|
|
return;
|
|
}
|
|
lock();
|
|
ListIterator iter(m_lines);
|
|
GenObject* gen = 0;
|
|
while (0 != (gen = iter.get())) {
|
|
RefPointer<YIAXLine> line = static_cast<YIAXLine*>(gen);
|
|
unlock();
|
|
if (line) {
|
|
line->lock();
|
|
if (line->m_register)
|
|
registerLine(line,false);
|
|
line->unlock();
|
|
line = 0;
|
|
}
|
|
lock();
|
|
}
|
|
unlock();
|
|
}
|
|
|
|
// Run the socket listening thread
|
|
void YIAXListener::run()
|
|
{
|
|
DDebug(m_engine,DebugAll,"%s started",currentName());
|
|
SocketAddr addr;
|
|
m_engine->readSocket(addr);
|
|
}
|
|
|
|
// Run the event retreiving thread
|
|
void YIAXGetEvent::run()
|
|
{
|
|
DDebug(m_engine,DebugAll,"%s started",currentName());
|
|
m_engine->runGetEvents();
|
|
}
|
|
|
|
// Run the trunk sending thread
|
|
void YIAXTrunking::run()
|
|
{
|
|
DDebug(m_engine,DebugAll,"%s started",currentName());
|
|
m_engine->runProcessTrunkFrames();
|
|
}
|
|
|
|
/**
|
|
* YIAXEngine
|
|
*/
|
|
YIAXEngine::YIAXEngine(const char* iface, int port, u_int16_t transListCount,
|
|
u_int16_t retransCount, u_int16_t retransInterval, u_int16_t authTimeout,
|
|
u_int16_t transTimeout, u_int16_t maxFullFrameDataLen,
|
|
u_int32_t trunkSendInterval, bool authRequired, NamedList* params)
|
|
: IAXEngine(iface,port,transListCount,retransCount,retransInterval,authTimeout,
|
|
transTimeout,maxFullFrameDataLen,0,0,
|
|
trunkSendInterval,authRequired,params),
|
|
m_threadsCreated(false)
|
|
{
|
|
}
|
|
|
|
// Handle received voice data, forward it to connection's source
|
|
void YIAXEngine::processMedia(IAXTransaction* transaction, DataBlock& data,
|
|
u_int32_t tStamp, int type, bool mark)
|
|
{
|
|
if (transaction) {
|
|
YIAXConnection* conn = static_cast<YIAXConnection*>(transaction->getUserData());
|
|
if (conn) {
|
|
DataSource* src = conn->getSourceMedia(type);
|
|
if (src) {
|
|
unsigned long ts = tStamp;
|
|
if (IAXFormat::Audio == type)
|
|
ts *= 8; // assume 8kHz sampling
|
|
unsigned long flags = 0;
|
|
if (mark)
|
|
flags = DataNode::DataMark;
|
|
src->Forward(data,ts,flags);
|
|
}
|
|
else
|
|
DDebug(this,DebugAll,"processMedia. No media source");
|
|
}
|
|
else
|
|
DDebug(this,DebugAll,"processMedia. Transaction doesn't have a connection");
|
|
}
|
|
else
|
|
DDebug(this,DebugAll,"processMedia. No transaction");
|
|
}
|
|
|
|
// Create a new registration transaction for a line
|
|
IAXTransaction* YIAXEngine::reg(YIAXLine* line, bool regreq)
|
|
{
|
|
if (!line)
|
|
return 0;
|
|
SocketAddr addr(AF_INET);
|
|
addr.host(line->remoteAddr());
|
|
addr.port(line->remotePort());
|
|
Debug(this,DebugAll,"%s line=%s username=%s server=%s:%d",
|
|
regreq ? "Registering" : "Unregistering",line->toString().c_str(),
|
|
line->username().c_str(),addr.host().c_str(),addr.port());
|
|
// Create IE list
|
|
IAXIEList ieList;
|
|
ieList.appendString(IAXInfoElement::USERNAME,line->username());
|
|
ieList.appendString(IAXInfoElement::PASSWORD,line->password());
|
|
ieList.appendNumeric(IAXInfoElement::REFRESH,line->expire(),2);
|
|
// Make it !
|
|
IAXTransaction* tr = startLocalTransaction(regreq ? IAXTransaction::RegReq : IAXTransaction::RegRel,addr,ieList);
|
|
if (tr)
|
|
tr->setUserData(line);
|
|
line->m_transaction = tr;
|
|
return tr;
|
|
}
|
|
|
|
// Create a new call transaction from target address and message params
|
|
IAXTransaction* YIAXEngine::call(SocketAddr& addr, NamedList& params)
|
|
{
|
|
Debug(this,DebugAll,
|
|
"Outgoing Call: username=%s host=%s:%d called=%s called context=%s",
|
|
params.getValue("username"),addr.host().c_str(),addr.port(),
|
|
params.getValue("called"),params.getValue("calledname"));
|
|
// Set format and capabilities
|
|
u_int32_t audioCaps = capability();
|
|
u_int32_t videoCaps = 0;
|
|
iplugin.updateCodecsFromRoute(audioCaps,params,IAXFormat::Audio);
|
|
if (params.getBoolValue("media_video")) {
|
|
videoCaps = capability();
|
|
iplugin.updateCodecsFromRoute(videoCaps,params,IAXFormat::Video);
|
|
}
|
|
u_int32_t fmtAudio = IAXFormat::pickFormat(audioCaps,format(true));
|
|
u_int32_t fmtVideo = IAXFormat::pickFormat(videoCaps,format(false));
|
|
u_int32_t codecs = audioCaps | videoCaps;
|
|
u_int32_t fmt = fmtAudio | fmtVideo;
|
|
if (!fmt) {
|
|
DDebug(this,DebugNote,"Outgoing call failed: No preffered format");
|
|
params.setParam("error","nomedia");
|
|
return 0;
|
|
}
|
|
// Create IE list
|
|
IAXIEList ieList;
|
|
ieList.appendString(IAXInfoElement::USERNAME,params.getValue("username"));
|
|
ieList.appendString(IAXInfoElement::PASSWORD,params.getValue("password"));
|
|
ieList.appendString(IAXInfoElement::CALLING_NUMBER,params.getValue("caller"));
|
|
ieList.appendString(IAXInfoElement::CALLING_NAME,params.getValue("callername"));
|
|
ieList.appendString(IAXInfoElement::CALLED_NUMBER,params.getValue("called"));
|
|
ieList.appendString(IAXInfoElement::CALLED_CONTEXT,params.getValue("iaxcontext"));
|
|
ieList.appendNumeric(IAXInfoElement::FORMAT,fmt,4);
|
|
ieList.appendNumeric(IAXInfoElement::CAPABILITY,codecs,4);
|
|
if (params.getBoolValue("calltoken_out",s_callTokenOut))
|
|
ieList.appendBinary(IAXInfoElement::CALLTOKEN,0,0);
|
|
return startLocalTransaction(IAXTransaction::New,addr,ieList);
|
|
}
|
|
|
|
// Create a POKE transaction
|
|
IAXTransaction* YIAXEngine::poke(SocketAddr& addr)
|
|
{
|
|
Debug(this,DebugAll,"Outgoing POKE: Host: %s Port: %d",addr.host().c_str(),addr.port());
|
|
IAXIEList ieList;
|
|
return startLocalTransaction(IAXTransaction::Poke,addr,ieList);
|
|
}
|
|
|
|
void YIAXEngine::start(u_int16_t listenThreadCount, u_int16_t eventThreadCount, u_int16_t trunkThreadCount)
|
|
{
|
|
if (m_threadsCreated)
|
|
return;
|
|
if (!listenThreadCount)
|
|
Debug(this,DebugWarn,"YIAXEngine. No reading socket threads(s)!");
|
|
if (!eventThreadCount)
|
|
Debug(this,DebugWarn,"YIAXEngine. No reading event threads(s)!");
|
|
if (!trunkThreadCount)
|
|
Debug(this,DebugWarn,"YIAXEngine. No trunking threads(s)!");
|
|
for (; listenThreadCount; listenThreadCount--)
|
|
(new YIAXListener(this,"YIAX Listener",s_priority))->startup();
|
|
for (; eventThreadCount; eventThreadCount--)
|
|
(new YIAXGetEvent(this,"YIAX GetEvent"))->startup();
|
|
for (; trunkThreadCount; trunkThreadCount--)
|
|
(new YIAXTrunking(this,"YIAX Trunking",s_priority))->startup();
|
|
m_threadsCreated = true;
|
|
}
|
|
|
|
// Initialize formats from config
|
|
void YIAXEngine::initFormats(NamedList* params)
|
|
{
|
|
NamedList dummy("");
|
|
if (!params)
|
|
params = &dummy;
|
|
u_int32_t codecsAudio = 0;
|
|
u_int32_t codecsVideo = 0;
|
|
u_int32_t defAudio = 0;
|
|
u_int32_t defVideo = 0;
|
|
bool def = params->getBoolValue("default",true);
|
|
const TokenDict* dicts[2] = {dict_payloads,dict_payloads_video};
|
|
for (int i = 0; i < 2; i++) {
|
|
u_int32_t fallback = 0;
|
|
bool audio = (i == 0);
|
|
const char* media = audio ? "audio" : "video";
|
|
const String& preferred = (*params)[audio ? "preferred" : "preferred_video"];
|
|
u_int32_t& codecs = audio ? codecsAudio : codecsVideo;
|
|
u_int32_t& defaultCodec = audio ? defAudio : defVideo;
|
|
for (const TokenDict* d = dicts[i]; d->token; d++) {
|
|
bool defVal = def && DataTranslator::canConvert(d->token);
|
|
if (!params->getBoolValue(d->token,defVal))
|
|
continue;
|
|
XDebug(this,DebugAll,"Adding supported %s codec %u: '%s'.",
|
|
media,d->value,d->token);
|
|
codecs |= d->value;
|
|
fallback = d->value;
|
|
// Set default (desired) codec
|
|
if (!defaultCodec && preferred == d->token)
|
|
defaultCodec = d->value;
|
|
}
|
|
// If desired codec is disabled fall back to last in list
|
|
if (!defaultCodec)
|
|
defaultCodec = fallback;
|
|
if (codecs) {
|
|
String tmp;
|
|
IAXFormat::formatList(tmp,codecs,dicts[i]);
|
|
Debug(&iplugin,DebugAll,"Enabled %s format(s) '%s' default=%s",
|
|
media,tmp.c_str(),lookup(defaultCodec,dicts[i],""));
|
|
}
|
|
else
|
|
Debug(&iplugin,audio ? DebugWarn : DebugAll,"No %s format(s) available",media);
|
|
}
|
|
setFormats(codecsAudio | codecsVideo,defAudio,defVideo);
|
|
}
|
|
|
|
// Process all IAX events
|
|
void YIAXEngine::processEvent(IAXEvent* event)
|
|
{
|
|
YIAXConnection* connection = 0;
|
|
switch (event->getTransaction()->type()) {
|
|
case IAXTransaction::New:
|
|
connection = static_cast<YIAXConnection*>(event->getTransaction()->getUserData());
|
|
if (connection) {
|
|
// We already have a channel for this call
|
|
connection->handleEvent(event);
|
|
if (event->final()) {
|
|
// Final event: disconnect
|
|
DDebug(this,DebugAll,"processEvent. Disconnecting (%p): '%s'",
|
|
connection,connection->id().c_str());
|
|
connection->disconnect();
|
|
}
|
|
}
|
|
else {
|
|
if (event->type() == IAXEvent::New) {
|
|
// Incoming request for a new call
|
|
if (iplugin.canAccept(true)) {
|
|
connection = new YIAXConnection(this,event->getTransaction());
|
|
connection->initChan();
|
|
event->getTransaction()->setUserData(connection);
|
|
if (!connection->route())
|
|
event->getTransaction()->setUserData(0);
|
|
}
|
|
else {
|
|
Debug(&iplugin,DebugWarn,"Refusing new IAX call, full or exiting");
|
|
// Cause code 42: switch congestion
|
|
event->getTransaction()->sendReject(0,42);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case IAXTransaction::RegReq:
|
|
case IAXTransaction::RegRel:
|
|
if (event->type() == IAXEvent::New || event->type() == IAXEvent::AuthRep)
|
|
processRemoteReg(event,(event->type() == IAXEvent::New));
|
|
else
|
|
if (event->getTransaction()->getUserData())
|
|
s_lines.handleEvent(event);
|
|
break;
|
|
default: ;
|
|
}
|
|
delete event;
|
|
}
|
|
|
|
// Process a new format received with a full frame
|
|
bool YIAXEngine::mediaFormatChanged(IAXTransaction* trans, int type, u_int32_t format)
|
|
{
|
|
if (!trans)
|
|
return false;
|
|
Debug(this,DebugNote,"Refusing media change for transaction (%p)",trans);
|
|
// TODO: implement
|
|
return false;
|
|
}
|
|
|
|
// Process events for remote users registering to us
|
|
void YIAXEngine::processRemoteReg(IAXEvent* event, bool first)
|
|
{
|
|
IAXTransaction* tr = event->getTransaction();
|
|
DDebug(this,DebugAll,"processRemoteReg: %s username: '%s'",
|
|
tr->type() == IAXTransaction::RegReq?"Register":"Unregister",tr->username().c_str());
|
|
// Check for automatomatically authentication request if it's the first request
|
|
if (first && iplugin.getEngine()->authRequired()) {
|
|
DDebug(this,DebugAll,"processRemoteReg. Requesting authentication");
|
|
tr->sendAuth();
|
|
return;
|
|
}
|
|
// Authenticated: register/unregister
|
|
bool requestAuth = false, invalidAuth = false;
|
|
if (iplugin.userAuth(tr,!first,requestAuth,invalidAuth)) {
|
|
// Authenticated. Try to (un)register
|
|
const char* user = tr->username();
|
|
bool regrel = (event->subclass() == IAXControl::RegRel);
|
|
Message* msg = userreg(tr,regrel);
|
|
if (msg) {
|
|
unsigned int exp = 0;
|
|
if (!regrel) {
|
|
int expires = msg->getIntValue("expires");
|
|
if (expires < 1)
|
|
expires = s_expires_def;
|
|
exp = expires;
|
|
Debug(&iplugin,DebugNote,"Registered user '%s' expires in %u s",
|
|
user,exp);
|
|
}
|
|
else
|
|
Debug(&iplugin,DebugNote,"Unregistered user '%s'",user);
|
|
tr->sendAccept(&exp);
|
|
TelEngine::destruct(msg);
|
|
}
|
|
else {
|
|
Debug(&iplugin,DebugNote,"%s failed for authenticated user '%s'",
|
|
regrel ? "Unregister" : "Register",user);
|
|
tr->sendReject("not registered");
|
|
}
|
|
return;
|
|
}
|
|
// First request: check if we should request auth
|
|
if (first && requestAuth) {
|
|
DDebug(this,DebugAll,"processRemoteReg. Requesting authentication");
|
|
tr->sendAuth();
|
|
return;
|
|
}
|
|
const char* reason = 0;
|
|
if (invalidAuth)
|
|
reason = IAXTransaction::s_iax_modInvalidAuth;
|
|
if (!reason)
|
|
reason = "not authenticated";
|
|
Debug(&iplugin,DebugNote,"User '%s' addr=%s:%d not authenticated reason=%s'",
|
|
tr->username().c_str(),tr->remoteAddr().host().c_str(),
|
|
tr->remoteAddr().port(),reason);
|
|
tr->sendReject(reason);
|
|
}
|
|
|
|
// Build and dispatch the user.(un)register message
|
|
Message* YIAXEngine::userreg(IAXTransaction* tr, bool regrel)
|
|
{
|
|
DDebug(this,DebugAll,"YIAXEngine - userreg. %s username: '%s'",
|
|
regrel ? "Unregistering":"Registering",tr->username().c_str());
|
|
Message* msg = new Message(regrel ? "user.unregister" : "user.register");
|
|
msg->addParam("username",tr->username());
|
|
msg->addParam("driver","iax");
|
|
if (!regrel) {
|
|
String data = "iax/iax2:";
|
|
data << tr->username() << "@";
|
|
data << tr->remoteAddr().host() << ":" << tr->remoteAddr().port();
|
|
const char* called = tr->calledNo();
|
|
const char* context = tr->calledContext();
|
|
if (called || context) {
|
|
data << "/" << called;
|
|
if (context)
|
|
data << "@" << context;
|
|
}
|
|
msg->addParam("data",data);
|
|
unsigned int exp = tr->expire();
|
|
if (!exp)
|
|
exp = s_expires_def;
|
|
else if (exp < s_expires_min)
|
|
exp = s_expires_min;
|
|
else if (exp > s_expires_max)
|
|
exp = s_expires_max;
|
|
msg->addParam("expires",String(exp));
|
|
}
|
|
msg->addParam("ip_host",tr->remoteAddr().host());
|
|
msg->addParam("ip_port",String(tr->remoteAddr().port()));
|
|
if (!Engine::dispatch(*msg))
|
|
TelEngine::destruct(msg);
|
|
return msg;
|
|
}
|
|
|
|
// Handler for outgoing registration messages
|
|
bool YIAXRegDataHandler::received(Message& msg)
|
|
{
|
|
String tmp(msg.getValue("protocol"));
|
|
if (tmp != "iax")
|
|
return false;
|
|
tmp = msg.getValue("account");
|
|
if (tmp.null())
|
|
return false;
|
|
s_lines.updateLine(msg);
|
|
return true;
|
|
}
|
|
|
|
YIAXDriver::YIAXDriver()
|
|
: Driver("iax","varchans"), m_failedAuths(0), m_port(4569)
|
|
{
|
|
Output("Loaded module YIAX");
|
|
}
|
|
|
|
YIAXDriver::~YIAXDriver()
|
|
{
|
|
Output("Unloading module YIAX");
|
|
lock();
|
|
channels().clear();
|
|
unlock();
|
|
s_lines.clear(true);
|
|
delete m_iaxEngine;
|
|
}
|
|
|
|
void YIAXDriver::initialize()
|
|
{
|
|
Output("Initializing module YIAX");
|
|
// Load configuration
|
|
Configuration cfg(Engine::configFile("yiaxchan"));
|
|
NamedList* gen = cfg.getSection("general");
|
|
NamedList dummy("general");
|
|
if (!gen)
|
|
gen = &dummy;
|
|
s_callTokenOut = gen->getBoolValue("calltoken_out",true);
|
|
NamedList* registrar = cfg.getSection("registrar");
|
|
if (!registrar)
|
|
registrar = &dummy;
|
|
s_expires_min = registrar->getIntValue("expires_min",60,1);
|
|
s_expires_max = registrar->getIntValue("expires_max",3600,s_expires_min);
|
|
s_expires_def = registrar->getIntValue("expires_def",60,s_expires_min,s_expires_max);
|
|
DDebug(this,DebugAll,
|
|
"Initialized calltoken_out=%s expires_min=%u expires_max=%u expires_def=%u",
|
|
String::boolText(s_callTokenOut),s_expires_min,s_expires_max,s_expires_def);
|
|
// Setup driver if this is the first call
|
|
if (m_iaxEngine) {
|
|
m_iaxEngine->initialize(*gen);
|
|
m_iaxEngine->initFormats(cfg.getSection("formats"));
|
|
maxChans(gen->getIntValue("maxchans",maxChans()));
|
|
return;
|
|
}
|
|
setup();
|
|
installRelay(Halt);
|
|
installRelay(Route);
|
|
installRelay(Progress);
|
|
installRelay(Status);
|
|
Engine::install(new YIAXRegDataHandler);
|
|
// Init IAX engine
|
|
u_int16_t transListCount = 64;
|
|
u_int16_t retransCount = 4;
|
|
u_int16_t retransInterval = 500;
|
|
u_int16_t authTimeout = 30;
|
|
u_int16_t transTimeout = 10;
|
|
u_int16_t maxFullFrameDataLen = 1400;
|
|
u_int32_t trunkSendInterval = 10;
|
|
m_port = gen->getIntValue("port",4569);
|
|
String iface = gen->getValue("addr","0.0.0.0");
|
|
// set max chans
|
|
maxChans(gen->getIntValue("maxchans",maxChans()));
|
|
bool authReq = cfg.getBoolValue("registrar","auth_required",true);
|
|
m_iaxEngine = new YIAXEngine(iface,m_port,transListCount,retransCount,retransInterval,authTimeout,
|
|
transTimeout,maxFullFrameDataLen,trunkSendInterval,authReq,gen);
|
|
m_iaxEngine->debugChain(this);
|
|
m_iaxEngine->initFormats(cfg.getSection("formats"));
|
|
int tos = gen->getIntValue("tos",dict_tos,0);
|
|
if (tos && !m_iaxEngine->socket().setTOS(tos))
|
|
Debug(this,DebugWarn,"Could not set IP TOS to 0x%02x",tos);
|
|
s_priority = Thread::priority(gen->getValue("thread"),s_priority);
|
|
DDebug(this,DebugInfo,"Default thread priority set to '%s'",Thread::priority(s_priority));
|
|
int readThreadCount = gen->getIntValue("read_threads",Engine::clientMode() ? 1 : 3);
|
|
if (readThreadCount < 1)
|
|
readThreadCount = 1;
|
|
int eventThreadCount = gen->getIntValue("event_threads",Engine::clientMode() ? 1 : 3);
|
|
if (eventThreadCount < 1)
|
|
eventThreadCount = 1;
|
|
int trunkingThreadCount = gen->getIntValue("trunk_threads",1);
|
|
if (trunkingThreadCount < 1)
|
|
trunkingThreadCount = 1;
|
|
m_iaxEngine->start(readThreadCount,eventThreadCount,trunkingThreadCount);
|
|
}
|
|
|
|
// Add specific module update parameters
|
|
void YIAXDriver::genUpdate(Message& msg)
|
|
{
|
|
unsigned int tmp = m_failedAuths;
|
|
m_failedAuths = 0;
|
|
msg.setParam("failed_auths",String(tmp));
|
|
}
|
|
|
|
// Check if we have a line
|
|
bool YIAXDriver::hasLine(const String& line) const
|
|
{
|
|
return line && s_lines.hasLine(line);
|
|
}
|
|
|
|
// Route calls that use a line owned by this driver
|
|
bool YIAXDriver::msgRoute(Message& msg)
|
|
{
|
|
if (!isE164(msg.getValue("called")))
|
|
return false;
|
|
return Driver::msgRoute(msg);
|
|
}
|
|
|
|
bool YIAXDriver::msgExecute(Message& msg, String& dest)
|
|
{
|
|
if (!msg.userData()) {
|
|
Debug(this,DebugAll,"No data channel for this IAX call!");
|
|
return false;
|
|
}
|
|
NamedList params(msg);
|
|
SocketAddr addr(AF_INET);
|
|
if (isE164(dest)) {
|
|
String* line = params.getParam("line");
|
|
bool lineReg = (line == 0);
|
|
if (line && !s_lines.fillList(*line,params,addr,lineReg)) {
|
|
Debug(this,DebugNote,"IAX call failed: no line '%s'",line->c_str());
|
|
msg.setParam("error","offline");
|
|
return false;
|
|
}
|
|
if (!lineReg) {
|
|
Debug(this,DebugNote,"IAX call failed: line '%s' is not registered!",line->c_str());
|
|
msg.setParam("error","offline");
|
|
return false;
|
|
}
|
|
params.setParam("called",dest);
|
|
}
|
|
else {
|
|
// dest should be an URI
|
|
IAXURI uri(dest);
|
|
uri.parse();
|
|
uri.fillList(params);
|
|
uri.setAddr(addr);
|
|
}
|
|
if (!addr.host().length()) {
|
|
Debug(this,DebugAll,"Missing host name in this IAX call");
|
|
return false;
|
|
}
|
|
IAXTransaction* tr = m_iaxEngine->call(addr,params);
|
|
if (!tr)
|
|
return false;
|
|
YIAXConnection* conn = new YIAXConnection(m_iaxEngine,tr,&msg,¶ms);
|
|
conn->initChan();
|
|
tr->setUserData(conn);
|
|
CallEndpoint* ch = YOBJECT(CallEndpoint,msg.userData());
|
|
if (ch && conn->connect(ch,msg.getValue("reason"))) {
|
|
conn->callConnect(msg);
|
|
msg.setParam("peerid",conn->id());
|
|
msg.setParam("targetid",conn->id());
|
|
// Enable trunking if trunkout parameter is enabled
|
|
if (msg.getBoolValue("trunkout"))
|
|
m_iaxEngine->enableTrunking(tr);
|
|
}
|
|
else
|
|
tr->setUserData(0);
|
|
conn->deref();
|
|
return true;
|
|
}
|
|
|
|
bool YIAXDriver::received(Message& msg, int id)
|
|
{
|
|
if (id == Timer)
|
|
s_lines.evTimer(msg.msgTime());
|
|
else
|
|
if (id == Halt) {
|
|
dropAll(msg);
|
|
channels().clear();
|
|
s_lines.clear();
|
|
}
|
|
else
|
|
if (id == Status) {
|
|
String target = msg.getValue("module");
|
|
if (target && target.startsWith(name(),true) && !target.startsWith(prefix())) {
|
|
msgStatus(msg);
|
|
return false;
|
|
}
|
|
}
|
|
return Driver::received(msg,id);
|
|
}
|
|
|
|
// Extract individual codecs from 'formats'
|
|
// Check if IAXFormat contains it
|
|
// Before exiting: update 'codecs'
|
|
bool YIAXDriver::updateCodecsFromRoute(u_int32_t& codecs, const NamedList& params, int type)
|
|
{
|
|
String* formats = 0;
|
|
if (type == IAXFormat::Audio)
|
|
formats = params.getParam("formats");
|
|
if (TelEngine::null(formats)) {
|
|
String tmp("formats_");
|
|
tmp << dataEpName(type);
|
|
formats = params.getParam(tmp);
|
|
}
|
|
XDebug(this,DebugAll,"updateCodecsFromRoute(%u,%d) formats=%s",
|
|
codecs,type,TelEngine::c_safe(formats));
|
|
if (formats) {
|
|
// Set intersection
|
|
if (type == IAXFormat::Audio)
|
|
codecs &= IAXFormat::encode(*formats,dict_payloads);
|
|
else if (type == IAXFormat::Video)
|
|
codecs &= IAXFormat::encode(*formats,dict_payloads_video);
|
|
else
|
|
codecs = 0;
|
|
}
|
|
else {
|
|
// Reset formats for non audio
|
|
// They must be explicitely set
|
|
if (type != IAXFormat::Audio)
|
|
codecs = 0;
|
|
}
|
|
return codecs != 0;
|
|
}
|
|
|
|
bool YIAXDriver::userAuth(IAXTransaction* tr, bool response, bool& requestAuth,
|
|
bool& invalidAuth, const char* billid)
|
|
{
|
|
bool newCall = (tr->type() == IAXTransaction::New);
|
|
DDebug(this,DebugAll,"YIAXDriver::userAuth(%p,%u) newcall=%u",tr,response,newCall);
|
|
requestAuth = invalidAuth = false;
|
|
// Create and dispatch user.auth
|
|
Message msg("user.auth");
|
|
msg.addParam("protocol","iax");
|
|
msg.addParam("username",tr->username());
|
|
msg.addParam("called",tr->calledNo());
|
|
msg.addParam("caller",tr->callingNo());
|
|
msg.addParam("callername",tr->callingName());
|
|
msg.addParam("ip_host",tr->remoteAddr().host());
|
|
msg.addParam("ip_port",String(tr->remoteAddr().port()));
|
|
if (response) {
|
|
msg.addParam("nonce",tr->challenge());
|
|
msg.addParam("response",tr->authdata());
|
|
}
|
|
msg.addParam("billid",billid,false);
|
|
msg.addParam("newcall",String::boolText(newCall));
|
|
if (!Engine::dispatch(msg))
|
|
return false;
|
|
String pwd = msg.retValue();
|
|
// We have a password
|
|
if (pwd) {
|
|
// Not a response: request authentication
|
|
if (!response) {
|
|
requestAuth = true;
|
|
return false;
|
|
}
|
|
// Check response
|
|
if (!IAXEngine::isMD5ChallengeCorrect(tr->authdata(),tr->challenge(),pwd)) {
|
|
invalidAuth = true;
|
|
m_failedAuths++;
|
|
changed();
|
|
Message* fail = new Message(msg);
|
|
*fail = "user.authfail";
|
|
fail->retValue().clear();
|
|
Engine::enqueue(fail);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool YIAXDriver::commandComplete(Message& msg, const String& partLine, const String& partWord)
|
|
{
|
|
String cmd = s_statusCmd + " " + name();
|
|
String overviewCmd = s_statusCmd + " overview " + name();
|
|
if (partLine == cmd || partLine == overviewCmd)
|
|
itemComplete(msg.retValue(),"accounts",partWord);
|
|
else
|
|
return Driver::commandComplete(msg,partLine,partWord);
|
|
return false;
|
|
}
|
|
|
|
void YIAXDriver::msgStatus(Message& msg)
|
|
{
|
|
String str = msg.getValue("module");
|
|
while (str.startSkip(name())) {
|
|
str.trimBlanks();
|
|
if (str.null())
|
|
break;
|
|
if (str.startSkip("accounts")) {
|
|
msg.retValue().clear();
|
|
msg.retValue() << "module=" << name();
|
|
msg.retValue() << ",protocol=IAX";
|
|
msg.retValue() << ",format=Username|Status;";
|
|
msg.retValue() << "accounts=" << s_lines.lines()->count();
|
|
if (!msg.getBoolValue("details",true)) {
|
|
msg.retValue() << "\r\n";
|
|
return;
|
|
}
|
|
for (ObjList* o = s_lines.lines(); o; o = o->skipNext()) {
|
|
YIAXLine* line = static_cast<YIAXLine*>(o->get());
|
|
str.append(line->toString(),",") << "=";
|
|
str.append(line->username()) << "|";
|
|
str << (line-> registered() ? "online" : "offline");
|
|
}
|
|
msg.retValue().append(str,";");
|
|
msg.retValue() << "\r\n";
|
|
return;
|
|
}
|
|
}
|
|
Driver::msgStatus(msg);
|
|
}
|
|
|
|
|
|
/**
|
|
* IAXConsumer
|
|
*/
|
|
YIAXConsumer::YIAXConsumer(YIAXConnection* conn, u_int32_t format,
|
|
const char* formatText, int type)
|
|
: DataConsumer(formatText),
|
|
YIAXData(conn,format,type)
|
|
{
|
|
Debug(m_connection,DebugAll,"YIAXConsumer '%s' format=%s [%p]",
|
|
IAXFormat::typeName(m_type),formatText,this);
|
|
}
|
|
|
|
YIAXConsumer::~YIAXConsumer()
|
|
{
|
|
Debug(m_connection,DebugAll,"YIAXConsumer '%s' destroyed total=%u [%p]",
|
|
IAXFormat::typeName(m_type),m_total,this);
|
|
}
|
|
|
|
unsigned long YIAXConsumer::Consume(const DataBlock& data, unsigned long tStamp, unsigned long flags)
|
|
{
|
|
unsigned long sent = 0;
|
|
if (m_connection && !m_connection->mutedOut()) {
|
|
m_total += data.length();
|
|
if (m_connection->transaction()) {
|
|
bool mark = (flags & DataMark) != 0;
|
|
sent = m_connection->transaction()->sendMedia(data,format(),m_type,mark);
|
|
}
|
|
}
|
|
return sent;
|
|
}
|
|
|
|
/**
|
|
* YIAXSource
|
|
*/
|
|
YIAXSource::YIAXSource(YIAXConnection* conn, u_int32_t format, const char* formatText, int type)
|
|
: DataSource(formatText),
|
|
YIAXData(conn,format,type)
|
|
{
|
|
Debug(m_connection,DebugAll,"YIAXSource '%s' format=%s [%p]",
|
|
IAXFormat::typeName(m_type),formatText,this);
|
|
}
|
|
|
|
YIAXSource::~YIAXSource()
|
|
{
|
|
Debug(m_connection,DebugAll,"YIAXSource '%s' destroyed total=%u [%p]",
|
|
IAXFormat::typeName(m_type),m_total,this);
|
|
}
|
|
|
|
unsigned long YIAXSource::Forward(const DataBlock& data, unsigned long tStamp, unsigned long flags)
|
|
{
|
|
if (m_connection && m_connection->mutedIn())
|
|
return invalidStamp();
|
|
m_total += data.length();
|
|
return DataSource::Forward(data,tStamp,flags);
|
|
}
|
|
|
|
/**
|
|
* YIAXConnection
|
|
*/
|
|
YIAXConnection::YIAXConnection(YIAXEngine* iaxEngine, IAXTransaction* transaction, Message* msg,
|
|
NamedList* params)
|
|
: Channel(&iplugin,0,transaction->outgoing()),
|
|
m_iaxEngine(iaxEngine), m_transaction(transaction), m_mutedIn(false), m_mutedOut(false),
|
|
m_audio(false), m_video(false),
|
|
m_hangup(true),
|
|
m_mutexTrans(true,"YIAXConnection::trans"),
|
|
m_mutexRefIncreased(true,"YIAXConnection::refIncreased"),
|
|
m_refIncreased(false)
|
|
{
|
|
Debug(this,DebugAll,"Created %s [%p]",isOutgoing()?"outgoing":"incoming",this);
|
|
setMaxcall(msg);
|
|
Message* m = message("chan.startup",msg);
|
|
m->setParam("direction",status());
|
|
if (transaction)
|
|
m_address << transaction->remoteAddr().host() << ":" << transaction->remoteAddr().port();
|
|
if (msg)
|
|
m_targetid = msg->getValue("id");
|
|
if (params) {
|
|
m_password = params->getValue("password");
|
|
m->copyParams(*params,"caller,callername,called,billid,callto,username");
|
|
}
|
|
Engine::enqueue(m);
|
|
}
|
|
|
|
YIAXConnection::~YIAXConnection()
|
|
{
|
|
status("destroyed");
|
|
setConsumer();
|
|
setSource();
|
|
hangup(0);
|
|
Debug(this,DebugAll,"Destroyed with reason '%s' [%p]",m_reason.safe(),this);
|
|
}
|
|
|
|
// Incoming call accepted, possibly set trunking on this connection
|
|
void YIAXConnection::callAccept(Message& msg)
|
|
{
|
|
DDebug(this,DebugCall,"callAccept [%p]",this);
|
|
m_mutexTrans.lock();
|
|
if (m_transaction) {
|
|
u_int32_t codecs = iplugin.getEngine()->capability();
|
|
if (msg.getValue("formats")) {
|
|
u_int32_t ca = IAXFormat::mask(codecs,IAXFormat::Audio);
|
|
iplugin.updateCodecsFromRoute(ca,msg,IAXFormat::Audio);
|
|
iplugin.getEngine()->acceptFormatAndCapability(m_transaction,&ca);
|
|
}
|
|
u_int32_t cv = IAXFormat::mask(codecs,IAXFormat::Video);
|
|
iplugin.updateCodecsFromRoute(cv,msg,IAXFormat::Video);
|
|
iplugin.getEngine()->acceptFormatAndCapability(m_transaction,&cv,IAXFormat::Video);
|
|
u_int32_t ci = IAXFormat::mask(codecs,IAXFormat::Image);
|
|
iplugin.updateCodecsFromRoute(ci,msg,IAXFormat::Image);
|
|
iplugin.getEngine()->acceptFormatAndCapability(m_transaction,&ci,IAXFormat::Image);
|
|
m_transaction->sendAccept();
|
|
// Enable trunking if trunkin parameter is enabled
|
|
if (msg.getBoolValue("trunkin"))
|
|
m_iaxEngine->enableTrunking(m_transaction);
|
|
}
|
|
m_mutexTrans.unlock();
|
|
Channel::callAccept(msg);
|
|
}
|
|
|
|
// Call rejected, check if we have to authenticate caller
|
|
void YIAXConnection::callRejected(const char* error, const char* reason, const Message* msg)
|
|
{
|
|
Channel::callRejected(error,reason,msg);
|
|
if (!error)
|
|
error = reason;
|
|
String s(error);
|
|
Lock lock(m_mutexTrans);
|
|
if (m_transaction && s == "noauth") {
|
|
if (safeRefIncrease()) {
|
|
Debug(this,DebugInfo,"callRejected. Requesting authentication [%p]",this);
|
|
m_transaction->sendAuth();
|
|
return;
|
|
}
|
|
else
|
|
error = "temporary-failure";
|
|
}
|
|
lock.drop();
|
|
Debug(this,DebugCall,"callRejected. Reason: '%s' [%p]",error,this);
|
|
hangup(0,reason,true);
|
|
}
|
|
|
|
bool YIAXConnection::callRouted(Message& msg)
|
|
{
|
|
// check if the caller did abort the call while routing
|
|
if (!m_transaction) {
|
|
Debug(this,DebugMild,"callRouted. No transaction: ABORT [%p]",this);
|
|
return false;
|
|
}
|
|
DDebug(this,DebugAll,"callRouted [%p]",this);
|
|
return true;
|
|
}
|
|
|
|
bool YIAXConnection::msgProgress(Message& msg)
|
|
{
|
|
Lock lock(&m_mutexTrans);
|
|
if (m_transaction) {
|
|
m_transaction->sendProgress();
|
|
// only start audio output for early media
|
|
startMedia(false);
|
|
return Channel::msgProgress(msg);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool YIAXConnection::msgRinging(Message& msg)
|
|
{
|
|
Lock lock(&m_mutexTrans);
|
|
if (m_transaction) {
|
|
m_transaction->sendRinging();
|
|
// only start audio output for early media
|
|
startMedia(false);
|
|
return Channel::msgRinging(msg);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool YIAXConnection::msgAnswered(Message& msg)
|
|
{
|
|
Lock lock(&m_mutexTrans);
|
|
if (m_transaction) {
|
|
m_transaction->sendAnswer();
|
|
// fully start media
|
|
startMedia(true);
|
|
startMedia(false);
|
|
startMedia(true,IAXFormat::Video);
|
|
startMedia(false,IAXFormat::Video);
|
|
return Channel::msgAnswered(msg);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool YIAXConnection::msgTone(Message& msg, const char* tone)
|
|
{
|
|
Lock lock(&m_mutexTrans);
|
|
if (m_transaction) {
|
|
while (tone && *tone)
|
|
m_transaction->sendDtmf(*tone++);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool YIAXConnection::msgText(Message& msg, const char* text)
|
|
{
|
|
Lock lock(&m_mutexTrans);
|
|
if (m_transaction) {
|
|
m_transaction->sendText(text);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void YIAXConnection::disconnected(bool final, const char* reason)
|
|
{
|
|
DDebug(this,DebugAll,"Disconnected. Final: %s . Reason: '%s' [%p]",
|
|
String::boolText(final),reason,this);
|
|
hangup(0,reason);
|
|
Channel::disconnected(final,reason);
|
|
safeDeref();
|
|
}
|
|
|
|
bool YIAXConnection::callPrerouted(Message& msg, bool handled)
|
|
{
|
|
// check if the caller did abort the call while prerouting
|
|
if (!m_transaction) {
|
|
Debug(this,DebugMild,"callPrerouted. No transaction: ABORT [%p]",this);
|
|
return false;
|
|
}
|
|
DDebug(this,DebugAll,"callPrerouted [%p]",this);
|
|
return true;
|
|
}
|
|
|
|
void YIAXConnection::handleEvent(IAXEvent* event)
|
|
{
|
|
switch(event->type()) {
|
|
case IAXEvent::Text: {
|
|
String text;
|
|
event->getList().getString(IAXInfoElement::textframe,text);
|
|
DDebug(this,DebugInfo,"TEXT: '%s' [%p]",text.safe(),this);
|
|
Message* m = message("chan.text");
|
|
m->addParam("text",text);
|
|
Engine::enqueue(m);
|
|
}
|
|
break;
|
|
case IAXEvent::Dtmf: {
|
|
String dtmf((char)event->subclass());
|
|
dtmf.toUpper();
|
|
DDebug(this,DebugCall,"DTMF: %s [%p]",dtmf.safe(),this);
|
|
Message* m = message("chan.dtmf");
|
|
m->addParam("text",dtmf);
|
|
m->addParam("detected","iax-event");
|
|
dtmfEnqueue(m);
|
|
}
|
|
break;
|
|
case IAXEvent::Noise:
|
|
DDebug(this,DebugInfo,"NOISE: %u [%p]",event->subclass(),this);
|
|
break;
|
|
case IAXEvent::Progressing:
|
|
DDebug(this,DebugInfo,"CALL PROGRESSING [%p]",this);
|
|
Engine::enqueue(message("call.progress",false,true));
|
|
break;
|
|
case IAXEvent::Accept:
|
|
DDebug(this,DebugCall,"ACCEPT [%p]",this);
|
|
startMedia(true);
|
|
break;
|
|
case IAXEvent::Answer:
|
|
if (isAnswered())
|
|
break;
|
|
DDebug(this,DebugCall,"ANSWER [%p]",this);
|
|
status("answered");
|
|
startMedia(true);
|
|
startMedia(false);
|
|
startMedia(true,IAXFormat::Video);
|
|
startMedia(false,IAXFormat::Video);
|
|
Engine::enqueue(message("call.answered",false,true));
|
|
break;
|
|
case IAXEvent::Quelch:
|
|
DDebug(this,DebugCall,"QUELCH [%p]",this);
|
|
m_mutedOut = true;
|
|
break;
|
|
case IAXEvent::Unquelch:
|
|
DDebug(this,DebugCall,"UNQUELCH [%p]",this);
|
|
m_mutedOut = false;
|
|
break;
|
|
case IAXEvent::Ringing:
|
|
DDebug(this,DebugInfo,"RINGING [%p]",this);
|
|
startMedia(true);
|
|
Engine::enqueue(message("call.ringing",false,true));
|
|
break;
|
|
case IAXEvent::Hangup:
|
|
case IAXEvent::Reject:
|
|
{
|
|
String reason;
|
|
event->getList().getString(IAXInfoElement::CAUSE,reason);
|
|
DDebug(this,DebugCall,"REJECT/HANGUP: '%s' [%p]",reason.c_str(),this);
|
|
hangup(event->local() ? 1 : -1,reason);
|
|
}
|
|
break;
|
|
case IAXEvent::Timeout:
|
|
DDebug(this,DebugNote,"TIMEOUT. Transaction: %u,%u, Frame: %u,%u [%p]",
|
|
event->getTransaction()->localCallNo(),event->getTransaction()->remoteCallNo(),
|
|
event->frameType(),event->subclass(),this);
|
|
if (event->final())
|
|
m_reason = "offline";
|
|
break;
|
|
case IAXEvent::Busy:
|
|
DDebug(this,DebugCall,"BUSY [%p]",this);
|
|
if (event->final())
|
|
m_reason = "busy";
|
|
break;
|
|
case IAXEvent::AuthRep:
|
|
evAuthRep(event);
|
|
break;
|
|
case IAXEvent::AuthReq:
|
|
evAuthReq(event);
|
|
break;
|
|
default:
|
|
iplugin.getEngine()->defaultEventHandler(event);
|
|
if (!m_transaction)
|
|
event->setFinal();
|
|
}
|
|
if (event->final()) {
|
|
safeDeref();
|
|
m_transaction = 0;
|
|
}
|
|
}
|
|
|
|
void YIAXConnection::hangup(int location, const char* reason, bool reject)
|
|
{
|
|
if (!m_hangup)
|
|
return;
|
|
m_hangup = false;
|
|
if (m_reason.null())
|
|
m_reason = reason;
|
|
if (m_reason.null())
|
|
m_reason = Engine::exiting() ? "shutdown" : "unknown";
|
|
const char* loc = location ? (location > 0 ? "internal" : "remote") : "peer";
|
|
clearMedia(true);
|
|
clearMedia(false);
|
|
clearMedia(true,IAXFormat::Video);
|
|
clearMedia(false,IAXFormat::Video);
|
|
Message* m = message("chan.hangup",true);
|
|
m->setParam("status","hangup");
|
|
m->setParam("reason",m_reason);
|
|
m_mutexTrans.lock();
|
|
if (m_transaction) {
|
|
IAXMediaData* d = m_audio ? m_transaction->getData(IAXFormat::Audio) : 0;
|
|
if (d) {
|
|
String tmp;
|
|
d->print(tmp);
|
|
m->addParam("iax_stats",tmp);
|
|
}
|
|
d = m_video ? m_transaction->getData(IAXFormat::Video) : 0;
|
|
if (d) {
|
|
String tmp;
|
|
d->print(tmp);
|
|
m->addParam("iax_stats_video",tmp);
|
|
}
|
|
if (reject)
|
|
m_transaction->sendReject(m_reason);
|
|
else
|
|
m_transaction->sendHangup(m_reason);
|
|
m_transaction->setUserData(0);
|
|
m_transaction = 0;
|
|
}
|
|
m_mutexTrans.unlock();
|
|
Engine::enqueue(m);
|
|
Debug(this,DebugCall,"Hangup location=%s reason=%s [%p]",loc,m_reason.safe(),this);
|
|
}
|
|
|
|
bool YIAXConnection::route(bool authenticated)
|
|
{
|
|
if (!m_transaction)
|
|
return false;
|
|
Message* m = message("call.preroute",false,true);
|
|
Lock lock(&m_mutexTrans);
|
|
if (authenticated) {
|
|
DDebug(this,DebugAll,"Route pass 2: Password accepted [%p]",this);
|
|
m_refIncreased = false;
|
|
m->addParam("username",m_transaction->username());
|
|
}
|
|
else {
|
|
DDebug(this,DebugAll,"Route pass 1: No username [%p]",this);
|
|
if (!iplugin.getEngine()->acceptFormatAndCapability(m_transaction)) {
|
|
hangup(0,IAXTransaction::s_iax_modNoMediaFormat,true);
|
|
return false;
|
|
}
|
|
// Advertise the not yet authenticated username
|
|
if (m_transaction->username())
|
|
m->addParam("authname",m_transaction->username());
|
|
}
|
|
m->addParam("called",m_transaction->calledNo());
|
|
m->addParam("caller",m_transaction->callingNo());
|
|
m->addParam("callername",m_transaction->callingName());
|
|
m->addParam("ip_host",m_transaction->remoteAddr().host());
|
|
m->addParam("ip_port",String(m_transaction->remoteAddr().port()));
|
|
String fmtsAudio;
|
|
IAXFormat::formatList(fmtsAudio,m_transaction->capability(),dict_payloads);
|
|
m->addParam("formats",fmtsAudio);
|
|
String fmtsVideo;
|
|
IAXFormat::formatList(fmtsVideo,m_transaction->capability(),dict_payloads_video);
|
|
if (fmtsVideo) {
|
|
if (fmtsAudio) {
|
|
m->addParam("media_audio",String::boolText(true));
|
|
m->addParam("formats_audio",fmtsAudio);
|
|
}
|
|
m->addParam("media_video",String::boolText(true));
|
|
m->addParam("formats_video",fmtsVideo);
|
|
}
|
|
return startRouter(m);
|
|
}
|
|
|
|
// Retrieve the data consumer from IAXFormat media type
|
|
YIAXConsumer* YIAXConnection::getConsumer(int type)
|
|
{
|
|
const String& name = dataEpName(type);
|
|
return YOBJECT(YIAXConsumer,Channel::getConsumer(name));
|
|
}
|
|
|
|
// Retrieve the data source from IAXFormat media type
|
|
YIAXSource* YIAXConnection::getSource(int type)
|
|
{
|
|
const String& name = dataEpName(type);
|
|
return YOBJECT(YIAXSource,Channel::getSource(name));
|
|
}
|
|
|
|
DataSource* YIAXConnection::getSourceMedia(int type)
|
|
{
|
|
const String& name = dataEpName(type);
|
|
DataSource* src = Channel::getSource(name);
|
|
if (m_sources[type] != src) {
|
|
m_sources[type] = 0;
|
|
DataEndpoint::commonMutex().lock();
|
|
m_sources[type] = Channel::getSource(name);
|
|
DataEndpoint::commonMutex().unlock();
|
|
}
|
|
return m_sources[type];
|
|
}
|
|
|
|
// Create audio source with the proper format
|
|
void YIAXConnection::startMedia(bool in, int type)
|
|
{
|
|
u_int32_t format = 0;
|
|
m_mutexTrans.lock();
|
|
if (m_transaction) {
|
|
format = in ? m_transaction->formatIn(type) : m_transaction->formatOut(type);
|
|
if (format) {
|
|
if (type == IAXFormat::Audio)
|
|
m_audio = true;
|
|
else if (type == IAXFormat::Video)
|
|
m_video = true;
|
|
}
|
|
}
|
|
m_mutexTrans.unlock();
|
|
bool exists = false;
|
|
if (in) {
|
|
YIAXSource* src = getSource(type);
|
|
if (src && src->format() == format)
|
|
return;
|
|
exists = (src != 0);
|
|
}
|
|
else {
|
|
YIAXConsumer* cons = getConsumer(type);
|
|
if (cons && cons->format() == format)
|
|
return;
|
|
exists = (cons != 0);
|
|
}
|
|
clearMedia(in,type);
|
|
const String& epName = dataEpName(type);
|
|
const char* formatText = format ? lookupFormat(format,type) : 0;
|
|
const char* dir = in ? "incoming" : "outgoing";
|
|
if (exists || format)
|
|
Debug(this,DebugAll,"Starting %s media '%s' format '%s' (%u) [%p]",
|
|
dir,epName.c_str(),formatText,format,this);
|
|
bool ok = true;
|
|
if (in) {
|
|
YIAXSource* src = 0;
|
|
if (formatText)
|
|
src = new YIAXSource(this,format,formatText,type);
|
|
setSource(src,epName);
|
|
TelEngine::destruct(src);
|
|
ok = !format || getSource(type);
|
|
}
|
|
else {
|
|
YIAXConsumer* cons = 0;
|
|
if (formatText)
|
|
cons = new YIAXConsumer(this,format,formatText,type);
|
|
setConsumer(cons,epName);
|
|
TelEngine::destruct(cons);
|
|
ok = !format || getConsumer(type);
|
|
}
|
|
if (!ok)
|
|
Debug(this,DebugNote,"Failed to start %s media '%s' format '%s' (%u) [%p]",
|
|
dir,epName.c_str(),formatText,format,this);
|
|
}
|
|
|
|
void YIAXConnection::clearMedia(bool in, int type)
|
|
{
|
|
const String& epName = dataEpName(type);
|
|
DDebug(this,DebugAll,"Clearing %s %s media [%p]",
|
|
in ? "incoming" : "outgoing",epName.c_str(),this);
|
|
if (in)
|
|
setSource(0,epName);
|
|
else
|
|
setConsumer(0,epName);
|
|
}
|
|
|
|
void YIAXConnection::evAuthRep(IAXEvent* event)
|
|
{
|
|
DDebug(this,DebugAll,"AUTHREP [%p]",this);
|
|
bool requestAuth, invalidAuth;
|
|
if (iplugin.userAuth(event->getTransaction(),true,requestAuth,invalidAuth,billid())) {
|
|
// Authenticated. Route the user.
|
|
route(true);
|
|
return;
|
|
}
|
|
DDebug(this,DebugCall,"Not authenticated. Rejecting [%p]",this);
|
|
event->setFinal();
|
|
hangup(1,"noauth",true);
|
|
}
|
|
|
|
void YIAXConnection::evAuthReq(IAXEvent* event)
|
|
{
|
|
DDebug(this,DebugAll,"AUTHREQ [%p]",this);
|
|
String response;
|
|
if (m_iaxEngine && m_transaction) {
|
|
m_iaxEngine->getMD5FromChallenge(response,m_transaction->challenge(),m_password);
|
|
m_transaction->sendAuthReply(response);
|
|
}
|
|
}
|
|
|
|
// Get rid of the extra reference
|
|
void YIAXConnection::safeDeref()
|
|
{
|
|
m_mutexRefIncreased.lock();
|
|
bool bref = m_refIncreased;
|
|
m_refIncreased = false;
|
|
m_mutexRefIncreased.unlock();
|
|
if (bref)
|
|
deref();
|
|
}
|
|
|
|
// Keep an extra reference to prevent destroying the connection
|
|
bool YIAXConnection::safeRefIncrease()
|
|
{
|
|
bool ok = false;
|
|
m_mutexRefIncreased.lock();
|
|
if (!m_refIncreased && ref())
|
|
m_refIncreased = ok = true;
|
|
m_mutexRefIncreased.unlock();
|
|
return ok;
|
|
}
|
|
|
|
// IAX URI constructor from components
|
|
IAXURI::IAXURI(const char* user, const char* host, const char* calledNo, const char* calledContext, int port)
|
|
: m_username(user),
|
|
m_host(host),
|
|
m_port(port),
|
|
m_calledNo(calledNo),
|
|
m_calledContext(calledContext),
|
|
m_parsed(true)
|
|
|
|
{
|
|
*this << "iax:";
|
|
if (m_username)
|
|
*this << m_username << "@";
|
|
*this << m_host;
|
|
if (m_port)
|
|
*this << ":" << m_port;
|
|
if (m_calledNo) {
|
|
*this << "/" << m_calledNo;
|
|
if (m_calledContext)
|
|
*this << "@" << m_calledContext;
|
|
}
|
|
}
|
|
|
|
void IAXURI::parse()
|
|
{
|
|
/*
|
|
proto: user@ host :port /calledno @context
|
|
proto: user@ host :port /calledno ?context
|
|
*/
|
|
if (m_parsed)
|
|
return;
|
|
String tmp(*this), _port;
|
|
static const Regexp r("^\\([Ii][Aa][Xx]2\\+:\\)\\?\\([^[:space:][:cntrl:]@]\\+@\\)\\?\\([[:alnum:]._-]\\+\\)\\(:[0-9]\\+\\)\\?\\(/[[:alnum:]]*\\)\\?\\([@?][^@?:/]*\\)\\?$");
|
|
if (tmp.matches(r))
|
|
{
|
|
m_username = tmp.matchString(2);
|
|
m_username = m_username.substr(0,m_username.length() -1);
|
|
m_host = tmp.matchString(3).toLower();
|
|
_port = tmp.matchString(4);
|
|
m_port = _port.substr(1,_port.length()).toInteger();
|
|
m_calledNo = tmp.matchString(5);
|
|
m_calledNo = m_calledNo.substr(1,m_calledNo.length());
|
|
m_calledContext = tmp.matchString(6);
|
|
m_calledContext = m_calledContext.substr(1,m_calledContext.length());
|
|
}
|
|
else
|
|
{
|
|
m_username = "";
|
|
m_host = "";
|
|
m_port = 0;
|
|
m_calledNo = "";
|
|
m_calledContext = "";
|
|
}
|
|
m_parsed = true;
|
|
}
|
|
|
|
// Pick URI parameters from a message or setting
|
|
bool IAXURI::fillList(NamedList& dest)
|
|
{
|
|
if (!m_parsed)
|
|
return false;
|
|
if (m_username.length())
|
|
dest.setParam("username",m_username);
|
|
if (m_calledNo.length())
|
|
dest.setParam("called",m_calledNo);
|
|
if (m_calledContext.length())
|
|
dest.setParam("iaxcontext",m_calledContext);
|
|
return true;
|
|
}
|
|
|
|
bool IAXURI::setAddr(SocketAddr& dest)
|
|
{
|
|
parse();
|
|
if (!m_host.length())
|
|
return false;
|
|
dest.host(m_host);
|
|
dest.port(m_port ? m_port : 0);
|
|
return true;
|
|
}
|
|
|
|
}; // anonymous namespace
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|