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yate/modules/iaxchan.cpp

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/**
* iaxchan.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* IAX channel
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2006 Null Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <yatephone.h>
#include <yateversn.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
extern "C" {
#include <iax-client.h>
#include <iax2-parser.h>
#include <md5.h>
};
using namespace TelEngine;
namespace { // anonymous
static TokenDict dict_iaxformats[] = {
// audio formats
{ "gsm", AST_FORMAT_GSM },
{ "ilbc30", AST_FORMAT_ILBC },
{ "speex", AST_FORMAT_SPEEX },
{ "lpc10", AST_FORMAT_LPC10 },
{ "mulaw", AST_FORMAT_ULAW },
{ "alaw", AST_FORMAT_ALAW },
{ "g723", AST_FORMAT_G723_1 },
{ "g729", AST_FORMAT_G729A },
{ "adpcm", AST_FORMAT_ADPCM },
{ "mp3", AST_FORMAT_MP3 },
{ "slin", AST_FORMAT_SLINEAR },
{ 0, 0 }
};
static TokenDict dict_tos[] = {
{ "lowdelay", Socket::LowDelay },
{ "throughput", Socket::MaxThroughput },
{ "reliability", Socket::MaxReliability },
{ "mincost", Socket::MinCost },
{ 0, 0 }
};
static bool s_debugging = true;
static int s_ast_formats = 0;
static Configuration s_cfg;
// mutex for iax library calls
static Mutex s_mutex;
class IAXConnection;
class IAXSource : public DataSource
{
public:
IAXSource(const char *frm) : DataSource(frm),m_total(0),m_time(Time::now())
{ Debug(DebugInfo,"IAXSource::IAXSource [%p] frm %s",this,frm);};
~IAXSource();
void Forward(const DataBlock &data, unsigned long tStamp = 0);
private:
unsigned m_total;
u_int64_t m_time;
};
class IAXAudioConsumer : public DataConsumer
{
public:
IAXAudioConsumer(IAXConnection *conn,
int ast_format = AST_FORMAT_SLINEAR, const char *format = "slin");
~IAXAudioConsumer();
virtual void Consume(const DataBlock &data, unsigned long tStamp);
private:
IAXConnection *m_conn;
int m_ast_format;
unsigned m_total;
u_int64_t m_time;
};
class IAXEndPoint : public Thread
{
public:
IAXEndPoint();
~IAXEndPoint();
static bool Init(void);
static void Setup(void);
bool accepting(iax_event *e);
void answer(iax_event *e);
void reg(iax_event *e);
void run(void);
void handleEvent(iax_event *event);
};
class IAXConnection : public Channel
{
public:
IAXConnection(Driver* driver, const char* addr, iax_session* session, Message* msg = 0);
~IAXConnection();
virtual void disconnected(bool final, const char *reason);
void abort(int type = 0);
int makeCall(const char* targid, char* cidnum, char* cidname, char* target = 0, char* lang = 0);
bool startRouting(iax_event *e);
void hangup(const char *reason = 0);
virtual void callAccept(Message& msg);
virtual void callRejected(const char* error, const char* reason = 0, const Message* msg = 0);
virtual bool msgRinging(Message& msg);
virtual bool msgAnswered(Message& msg);
virtual bool msgTone(Message& msg, const char* tone);
virtual bool msgText(Message& msg, const char* text);
void startAudio(int format,int capability);
void sourceAudio(void *buffer, int len, int format);
void sendVoice(char* buffer, int len, int format);
void handleEvent(iax_event *event);
inline iax_session *session() const
{ return m_session; }
inline bool muted() const
{ return m_muted; }
private:
iax_session *m_session;
bool m_final;
bool m_muted;
int m_ast_format;
int m_format;
int m_capab;
const char* m_reason;
};
class IAXDriver : public Driver
{
public:
IAXDriver();
virtual ~IAXDriver();
virtual void initialize();
virtual bool msgExecute(Message& msg, String& dest);
IAXConnection *find(iax_session *session);
IAXEndPoint *m_endpoint;
};
static IAXDriver iplugin;
static void iax_err_cb(const char *s)
{
Debug("IAX",DebugWarn,"%s",s);
}
static void iax_out_cb(const char *s)
{
if (s_debugging)
Debug("IAX",DebugInfo,"%s",s);
}
IAXEndPoint::IAXEndPoint()
: Thread("IAX EndPoint")
{
Debug(&iplugin,DebugAll,"IAXEndPoint::IAXEndPoint() [%p]",this);
}
IAXEndPoint::~IAXEndPoint()
{
Debug(&iplugin,DebugAll,"IAXEndPoint::~IAXEndPoint() [%p]",this);
iplugin.m_endpoint = 0;
}
bool IAXEndPoint::Init(void)
{
int port = s_cfg.getIntValue("general","port",4569);
if (!port) {
Debug(DebugInfo,"IAX is disabled by configuration");
return false;
}
port = ::iax_init(port);
if (port < 0) {
Debug(DebugGoOn,"I can't initialize the IAX library");
return false;
}
iax_set_error(iax_err_cb);
iax_set_output(iax_out_cb);
int tos = s_cfg.getIntValue("general","tos",dict_tos,0);
if (tos) {
Socket s(iax_get_fd());
s.setTOS(static_cast<Socket::TOS>(tos));
s.detach();
}
return true;
}
void IAXEndPoint::Setup(void)
{
if (s_debugging = s_cfg.getBoolValue("general","debug",false))
::iax_enable_debug();
else
::iax_disable_debug();
int frm = 0;
bool def = s_cfg.getBoolValue("formats","default",true);
for (int i = 0; dict_iaxformats[i].token; i++) {
if (s_cfg.getBoolValue("formats",dict_iaxformats[i].token,def && DataTranslator::canConvert(dict_iaxformats[i].token))) {
// TODO: check if we have a translator for this format
frm |= dict_iaxformats[i].value;
}
}
if (!frm)
Debug(DebugWarn,"All audio IAX formats are disabled");
else {
String s;
for (unsigned u=(1<<31); u; u>>=1) {
if (frm & u) {
const char *f = lookup(u,dict_iaxformats);
if (f)
s << " " << f;
}
}
Debug(&iplugin,DebugInfo,"Available IAX formats:%s",s.safe());
}
s_ast_formats = frm;
::iax_set_formats(s_ast_formats);
}
// Handle regular conectionless events with a valid session
void IAXEndPoint::handleEvent(iax_event *event)
{
DDebug(&iplugin,DebugAll,"Connectionless IAX event %d/%d",event->etype,event->subclass);
switch (event->etype) {
#if 0
case IAX_EVENT_REGREQ:
break;
case IAX_EVENT_REGACK:
break;
case IAX_EVENT_REGREJ:
break;
#endif
case IAX_EVENT_TEXT:
{
Debug(&iplugin,DebugInfo,"this text is outside a call: %s , a handle for this dosen't yet exist",(char *)event->data);
}
break;
default:
Debug(&iplugin,DebugInfo,"Unhandled connectionless IAX event %d/%d",event->etype,event->subclass);
}
}
void IAXEndPoint::run(void)
{
iax_event *e;
for (;;)
{
s_mutex.lock();
int t = ::iax_time_to_next_event();
s_mutex.unlock();
// Sleep at most 10ms
if ((t < 0) || (t > 10))
t = 10;
Thread::msleep(t);
for (;;) {
Thread::check();
s_mutex.lock();
e = ::iax_get_event(0);
s_mutex.unlock();
if (!e)
break;
XDebug("IAX Event",DebugAll,"event %d/%d",e->etype,e->subclass);
IAXConnection *conn = 0;
// We first take care of the special events
switch(e->etype) {
case IAX_EVENT_CONNECT:
answer(e);
break;
case IAX_EVENT_TIMEOUT:
case IAX_EVENT_REJECT:
case IAX_EVENT_HANGUP:
if ((conn = iplugin.find(e->session)) != 0) {
conn->abort(e->etype);
conn->destruct();
}
else
Debug(&iplugin,DebugInfo,"Could not find IAX connection to handle %d in session %p",
e->etype,e->session);
break;
case IAX_EVENT_REGREQ:
reg(e);
break;
case IAX_EVENT_AUTHRP:
answer(e);
break;
default:
conn = (IAXConnection *)::iax_get_private(e->session);
if (conn)
conn->handleEvent(e);
else
handleEvent(e);
}
s_mutex.lock();
::iax_event_free(e);
s_mutex.unlock();
}
}
}
bool IAXEndPoint::accepting(iax_event *e)
{
int masked = e->ies.format & s_ast_formats;
const TokenDict *frm = dict_iaxformats;
for (; frm->token; frm++) {
if (frm->value == masked)
break;
}
if (!frm->token) {
masked = e->ies.capability & s_ast_formats;
frm = dict_iaxformats;
for (; frm->token; frm++) {
if (frm->value & masked)
break;
}
}
if (!frm->token) {
Debug(DebugWarn,"IAX format 0x%X (local: 0x%X, remote: 0x%X, common: 0x%X) not available in [%p]",
e->ies.format,s_ast_formats,e->ies.capability,masked,this);
}
if (s_cfg.getBoolValue("users","unauth",false))
{
s_mutex.lock();
::iax_accept(e->session,frm->value);
s_mutex.unlock();
return true;
}
Message m("user.auth");
if (e->ies.username)
m.addParam("username",e->ies.username);
else
m.addParam("username",e->session->username);
if (Engine::dispatch(m) && m.retValue().null())
{
s_mutex.lock();
::iax_accept(e->session,frm->value);
s_mutex.unlock();
return true;
}
if (e->etype != IAX_EVENT_AUTHRP)
{
int methods = IAX_AUTH_MD5;
String s(::rand());
strncpy(e->session->username,c_safe(e->ies.username),sizeof(e->session->username));
strncpy(e->session->dnid,c_safe(e->ies.called_number),sizeof(e->session->dnid));
strncpy(e->session->callerid,c_safe(e->ies.calling_name),sizeof(e->session->callerid));
e->session->voiceformat = e->ies.format;
e->session->peerformats = e->ies.capability;
strncpy(e->session->challenge,s.safe(),sizeof(e->session->challenge));
s_mutex.lock();
::iax_send_authreq(e->session, methods);
s_mutex.unlock();
return 0;
}
if (e->ies.md5_result)
{
const char *ret = m.retValue();
if (!ret)
{
s_mutex.lock();
::iax_send_regrej(e->session);
s_mutex.unlock();
return 0;
}
struct MD5Context md5;
MD5Init(&md5);
MD5Update(&md5, (const unsigned char *) e->session->challenge, strlen(e->session->challenge));
MD5Update(&md5, (const unsigned char *) ret, strlen(ret));
unsigned char reply[16];
char realreply[256];
MD5Final(reply, &md5);
char *ptr = realreply;
for (int x=0;x<16;x++)
ptr+=sprintf(ptr,"%02x", (unsigned int)reply[x]);
if (!strcmp(e->ies.md5_result,realreply))
{
e->session->refresh = 100;
s_mutex.lock();
::iax_accept(e->session,2);
s_mutex.unlock();
return true;
} else
{
s_mutex.lock();
::iax_send_regrej(e->session);
s_mutex.unlock();
return false;
}
}
return false;
}
void IAXEndPoint::answer(iax_event *e)
{
if (!accepting(e))
return;
String addr(::inet_ntoa(e->session->peeraddr.sin_addr));
addr << ":" << ntohs(e->session->peeraddr.sin_port);
IAXConnection *conn = new IAXConnection(&iplugin,addr,e->session);
conn->startRouting(e);
}
void IAXEndPoint::reg(iax_event *e)
{
Message m("user.auth");
if (e->ies.username)
m.addParam("username",e->ies.username);
else
m.addParam("username",e->session->username);
if (Engine::dispatch(m) && m.retValue().null())
{
s_mutex.lock();
::iax_send_regack(e->session);
s_mutex.unlock();
return;
}
if (e->ies.md5_result)
{
const char *ret = m.retValue();
if (!ret)
{
s_mutex.lock();
::iax_send_regrej(e->session);
s_mutex.unlock();
return;
}
struct MD5Context md5;
MD5Init(&md5);
MD5Update(&md5, (const unsigned char *) e->session->challenge, strlen(e->session->challenge));
MD5Update(&md5, (const unsigned char *) ret, strlen(ret));
unsigned char reply[16];
char realreply[256];
MD5Final(reply, &md5);
char *ptr = realreply;
for (int x=0;x<16;x++)
ptr+=sprintf(ptr,"%02x", (unsigned int)reply[x]);
if (!strcmp(e->ies.md5_result,realreply))
{
e->session->refresh = 100;
strncpy(e->session->username,c_safe(e->ies.username),sizeof(e->session->username));
s_mutex.lock();
::iax_send_regack(e->session);
s_mutex.unlock();
} else
{
s_mutex.lock();
::iax_send_regrej(e->session);
s_mutex.unlock();
}
return;
}
int methods = IAX_AUTH_MD5;
String s(::rand());
strncpy(e->session->challenge,s.safe(),sizeof(e->session->challenge));
s_mutex.lock();
::iax_send_regauth(e->session, methods);
s_mutex.unlock();
}
IAXConnection::IAXConnection(Driver* driver, const char* addr, iax_session* session, Message* msg)
: Channel(driver,0,(session == 0)),
m_session(session), m_final(false), m_muted(false),
m_ast_format(0), m_format(0), m_capab(0), m_reason(0)
{
Debug(this,DebugAll,"IAXConnection::IAXConnection() [%p]",this);
m_address = addr;
s_mutex.lock();
if (!m_session)
m_session = ::iax_session_new();
::iax_set_private(m_session,this);
s_mutex.unlock();
setMaxcall(msg);
Message* s = message("chan.startup");
s->setParam("direction",status());
if (msg) {
s->setParam("caller",msg->getValue("caller"));
s->setParam("called",msg->getValue("called"));
s->setParam("billid",msg->getValue("billid"));
}
Engine::enqueue(s);
}
IAXConnection::~IAXConnection()
{
Debugger debug(DebugAll,"IAXConnection::~IAXConnection()"," [%p]",this);
status("destroyed");
setConsumer();
setSource();
m_ast_format = 0;
hangup();
if (m_session) {
s_mutex.lock();
::iax_set_private(m_session,NULL);
::iax_destroy(m_session);
m_session = 0;
s_mutex.unlock();
}
}
bool IAXConnection::startRouting(iax_event *e)
{
Message *m = message("call.preroute");
if (e->ies.calling_name)
m->addParam("callername",e->ies.calling_name);
else
m->addParam("callername",e->session->callerid);
if (e->ies.called_number)
m->addParam("called",e->ies.called_number);
else
m->addParam("called",e->session->dnid);
if (e->ies.calling_number)
m_address = e->ies.calling_number;
else if (e->ies.username)
m_address = e->ies.username;
else if (e->ies.calling_ani)
m_address = e->ies.calling_name;
else if (e->ies.calling_name)
m_address = e->ies.calling_ani;
if (e->ies.format != 0)
m_format = e->ies.format;
else
m_format = e->session->voiceformat;
if (e->ies.capability != 0)
m_capab = e->ies.capability;
else
m_capab = e->session->peerformats;
return startRouter(m);
}
// Handle regular connection events with a valid session
void IAXConnection::handleEvent(iax_event *event)
{
XDebug(this,DebugAll,"Connection IAX event %d/%d in [%p]",event->etype,event->subclass,this);
switch(event->etype) {
case IAX_EVENT_ACCEPT:
Debug(this,DebugInfo,"IAX ACCEPT inside a call [%p]",this);
startAudio(event->ies.format,event->ies.capability);
break;
case IAX_EVENT_VOICE:
sourceAudio(event->data,event->datalen,event->subclass);
break;
case IAX_EVENT_QUELCH:
m_muted = true;
break;
case IAX_EVENT_UNQUELCH:
m_muted = false;
break;
case IAX_EVENT_TEXT:
Debug(this,DebugInfo,"IAX TEXT inside a call: '%s' [%p]",(char *)event->data,this);
{
Message* m = message("chan.text");
m->addParam("text",(char *)event->data);
m->addParam("callerid",event->session->callerid);
m->addParam("calledid",event->session->dnid);
Engine::enqueue(m);
}
break;
case IAX_EVENT_DTMF:
Debug(this,DebugInfo,"IAX DTFM inside a call: %d [%p]",event->subclass,this);
{
Message* m = message("chan.dtmf");
/* this is because Paul wants this to be usable on non i386 */
char buf[2];
buf[0] = event->subclass;
buf[1] = 0;
m->addParam("text",buf);
m->addParam("callerid",event->session->callerid);
m->addParam("calledid",event->session->dnid);
Engine::enqueue(m);
}
break;
#if 0
case IAX_EVENT_TIMEOUT:
break;
case IAX_EVENT_BUSY:
break;
#endif
case IAX_EVENT_RINGA:
Debug(this,DebugInfo,"IAX RING inside a call [%p]",this);
Engine::enqueue(message("call.ringing"));
break;
case IAX_EVENT_ANSWER:
Debug(this,DebugInfo,"IAX ANSWER inside a call [%p]",this);
maxcall(0);
Engine::enqueue(message("call.answered"));
startAudio(event->ies.format,event->ies.capability);
break;
default:
Debug(this,DebugInfo,"Unhandled connection IAX event %d/%d in [%p]",event->etype,event->subclass,this);
}
}
// We must call this method when the IAX library already destroyed the session
void IAXConnection::abort(int type)
{
Debug(this,DebugAll,"IAXConnection::abort(%d) [%p]",type,this);
// Session is / will be gone... get rid of all these really fast!
m_session = 0;
m_final = true;
setConsumer();
setSource();
switch (type) {
case IAX_EVENT_TIMEOUT:
m_reason = "Timeout";
break;
case IAX_EVENT_REJECT:
m_reason = "Call rejected";
break;
case IAX_EVENT_HANGUP:
m_reason = "Hangup";
break;
}
}
void IAXConnection::hangup(const char *reason)
{
Debug(this,DebugAll,"IAXConnection::hangup('%s') [%p]",reason,this);
if (!reason)
reason = m_reason;
if (!reason)
reason = Engine::exiting() ? "Server shutdown" : "Unexpected problem";
if (!m_final) {
s_mutex.lock();
m_final = true;
::iax_hangup(m_session,(char*)reason);
s_mutex.unlock();
}
Message* m = message("chan.hangup",true);
m->setParam("status","hangup");
m->setParam("reason",reason);
Engine::enqueue(m);
}
void IAXConnection::callAccept(Message& msg)
{
Debug(this,DebugAll,"IAXConnection::callAccept() [%p]",this);
startAudio(m_format,m_capab);
Channel::callAccept(msg);
}
void IAXConnection::callRejected(const char* error, const char* reason, const Message* msg)
{
Debug(this,DebugAll,"IAXConnection::callRejected('%s','%s',%p) [%p]",
error,reason,msg,this);
Channel::callRejected(error,reason,msg);
if (!reason)
reason = m_reason;
if (!reason)
reason = error;
if (!m_final) {
m_final = true;
if (m_session) {
s_mutex.lock();
::iax_reject(m_session,(char*)reason);
s_mutex.unlock();
}
}
}
int IAXConnection::makeCall(const char* targid, char* cidnum, char* cidname, char* target, char* lang)
{
Lock lock(s_mutex);
m_address = target;
m_targetid = targid;
::iax_set_formats(s_ast_formats);
return ::iax_call(m_session,cidnum,cidname,target,lang,0);
}
void IAXConnection::startAudio(int format,int capability)
{
if (getConsumer())
return;
int masked = format & s_ast_formats;
const TokenDict *frm = dict_iaxformats;
for (; frm->token; frm++) {
if (frm->value == masked)
break;
}
if (!frm->token) {
masked = capability & s_ast_formats;
frm = dict_iaxformats;
for (; frm->token; frm++) {
if (frm->value & masked)
break;
}
}
if (!frm->token) {
Debug(DebugGoOn,"IAX format 0x%X (local: 0x%X, remote: 0x%X, common: 0x%X) not available in [%p]",
format,s_ast_formats,capability,masked,this);
return;
}
Debug(this,DebugAll,"Creating IAX DataConsumer format \"%s\" (0x%X) in [%p]",frm->token,frm->value,this);
setConsumer(new IAXAudioConsumer(this,frm->value,frm->token));
getConsumer()->deref();
}
void IAXConnection::sourceAudio(void *buffer, int len, int format)
{
format &= s_ast_formats;
if (m_muted || !format)
return;
if (!buffer || (len < 0) || (len > 1024)) {
Debug("IAXAudio",DebugGoOn,"Invalid buffer=%p or len=%d [%p]",buffer,len,this);
return;
}
if (!getSource()) {
// Exact match required - incoming data must be a single format
const char *frm = lookup(format,dict_iaxformats);
if (!frm)
return;
Debug(this,DebugAll,"Creating IAXSource format \"%s\" (0x%X) in [%p]",frm,format,this);
m_ast_format = format;
setSource(new IAXSource(frm));
getSource()->deref();
// this is for some clients to work out with yate (firefly)
startAudio(format,0);
}
if ((format == m_ast_format) && getSource()) {
DataBlock data(buffer,len,false);
((IAXSource *)(getSource()))->Forward(data);
data.clear(false);
}
}
void IAXConnection::sendVoice(char* buffer, int len, int format)
{
if (m_muted || !m_session)
return;
s_mutex.lock();
::iax_send_voice(m_session,format,buffer,len);
s_mutex.unlock();
}
void IAXConnection::disconnected(bool final, const char *reason)
{
Debug(this,DebugAll,"IAXConnection::disconnected() '%s'",reason);
status("disconnected");
if (final || !m_final)
Channel::disconnected(final,reason);
}
IAXSource::~IAXSource()
{
Debug(&iplugin,DebugAll,"IAXSource::~IAXSource() [%p] total=%u",this,m_total);
if (m_time) {
m_time = Time::now() - m_time;
if (m_time) {
m_time = (m_total*(u_int64_t)1000000 + m_time/2) / m_time;
Debug(DebugInfo,"IAXSource rate=" FMT64U " b/s",m_time);
}
}
}
void IAXSource::Forward(const DataBlock &data, unsigned long tStamp)
{
m_total += data.length();
DataSource::Forward(data, tStamp);
}
IAXAudioConsumer::IAXAudioConsumer(IAXConnection *conn, int ast_format, const char *format)
: DataConsumer(format), m_conn(conn),
m_ast_format(ast_format), m_total(0), m_time(Time::now())
{
Debug(&iplugin,DebugAll,"IAXAudioConsumer::IAXAudioConsumer(%p) [%p]",conn,this);
}
IAXAudioConsumer::~IAXAudioConsumer()
{
Debug(&iplugin,DebugAll,"IAXAudioConsumer::~IAXAudioConsumer() [%p] total=%u",this,m_total);
if (m_time) {
m_time = Time::now() - m_time;
if (m_time) {
m_time = (m_total*(u_int64_t)1000000 + m_time/2) / m_time;
Debug(DebugInfo,"IAXAudioConsumer rate=" FMT64U " b/s",m_time);
}
}
}
void IAXAudioConsumer::Consume(const DataBlock &data, unsigned long tStamp)
{
m_total += data.length();
if (m_conn)
m_conn->sendVoice((char *)data.data(),data.length(),m_ast_format);
}
bool IAXConnection::msgRinging(Message& msg)
{
if (!m_session)
return false;
status("ringing");
::iax_ring_announce(m_session);
return true;
}
bool IAXConnection::msgAnswered(Message& msg)
{
if (!m_session)
return false;
status("answered");
::iax_answer(m_session);
return true;
}
bool IAXConnection::msgTone(Message& msg, const char* tone)
{
for (; tone && *tone; ++tone)
::iax_send_dtmf(session(),*tone);
return true;
}
bool IAXConnection::msgText(Message& msg, const char* text)
{
if (text)
::iax_send_text(session(),(char *)text);
return true;
}
bool IAXDriver::msgExecute(Message& msg, String& dest)
{
if (!msg.userData()) {
Debug(DebugWarn,"IAX call found but no data channel!");
return false;
}
IAXConnection *conn = new IAXConnection(this,dest,0,&msg);
/* i do this to setup the peercallid by getting id
* from the other party */
int i = conn->makeCall(msg.getValue("id"),(char *)msg.getValue("caller"),(char *)msg.getValue("callername"),(char *)dest.c_str());
if (i < 0) {
Debug(DebugInfo,"call failed in iax_call with code %d",i);
conn->destruct();
return false;
}
Channel *ch = static_cast<Channel*>(msg.userData());
if (ch && conn->connect(ch,msg.getValue("reason")))
{
msg.setParam("peerid",conn->id());
msg.setParam("targetid",conn->id());
conn->deref();
}
return true;
};
IAXConnection* IAXDriver::find(iax_session *session)
{
ObjList *p = channels().skipNull();
for (; p; p=p->skipNext()) {
IAXConnection *t = static_cast<IAXConnection *>(p->get());
if (t->session() == session)
return t;
}
return 0;
}
IAXDriver::IAXDriver()
: Driver("iax","varchans"), m_endpoint(0)
{
Output("Loaded module IAX");
}
IAXDriver::~IAXDriver()
{
Output("Unloading module IAX");
lock();
channels().clear();
unlock();
if (m_endpoint) {
delete m_endpoint;
m_endpoint = 0;
}
}
void IAXDriver::initialize()
{
Output("Initializing module IAX");
lock();
s_cfg = Engine::configFile("iaxchan");
s_cfg.load();
unlock();
if (!m_endpoint) {
if (!IAXEndPoint::Init())
return;
m_endpoint = new IAXEndPoint;
m_endpoint->startup();
}
IAXEndPoint::Setup();
setup();
}
}; // anonymous namespace
/* vi: set ts=8 sw=4 sts=4 noet: */
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