yate/modules/iaxchan.cpp

937 lines
23 KiB
C++

/**
* iaxchan.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* IAX channel
*/
#include <telengine.h>
#include <telephony.h>
#include <yateversn.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <stdlib.h>
extern "C" {
#include <iax-client.h>
#include <md5.h>
};
using namespace TelEngine;
static TokenDict dict_iaxformats[] = {
{ "slin", AST_FORMAT_SLINEAR },
{ "gsm", AST_FORMAT_GSM },
{ "lpc10", AST_FORMAT_LPC10 },
{ "mulaw", AST_FORMAT_ULAW },
{ "alaw", AST_FORMAT_ALAW },
{ 0, 0 }
};
static TokenDict dict_tos[] = {
{ "lowdelay", IPTOS_LOWDELAY },
{ "throughput", IPTOS_THROUGHPUT },
{ "reliability", IPTOS_RELIABILITY },
{ "mincost", IPTOS_MINCOST },
{ 0, 0 }
};
static int s_ast_formats = 0;
static Configuration s_cfg;
static Mutex s_mutex;
static ObjList m_calls;
class YateIAXConnection;
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);
private:
unsigned m_total;
unsigned long long m_time;
};
class YateIAXAudioConsumer : public DataConsumer
{
public:
YateIAXAudioConsumer(YateIAXConnection *conn, iax_session *session,
int ast_format = AST_FORMAT_SLINEAR, const char *format = "slin");
~YateIAXAudioConsumer();
virtual void Consume(const DataBlock &data);
private:
YateIAXConnection *m_conn;
iax_session *m_session;
DataBlock m_buffer;
int m_ast_format;
unsigned m_total;
unsigned long long m_time;
};
class YateIAXEndPoint : public Thread
{
public:
YateIAXEndPoint();
~YateIAXEndPoint();
static bool Init(void);
bool accepting(iax_event *e);
void answer(iax_event *e);
void reg(iax_event *e);
void run(void);
void terminateall(void);
YateIAXConnection *findconn(iax_session *session);
YateIAXConnection *findconn(String ourcallid);
void handleEvent(iax_event *event);
inline ObjList &calls()
{ return m_calls; }
private:
ObjList m_calls;
};
class YateIAXConnection : public DataEndpoint
{
public:
YateIAXConnection(iax_session *session = 0);
~YateIAXConnection();
void disconnected(void);
void abort();
int makeCall(char *cidnum, char *cidname, char *target = 0, char *lang = 0);
void hangup(char *reason = "Unexpected problem");
void reject(char *reason = "Unexpected problem");
void startAudio(int format,int capability);
void sourceAudio(void *buffer, int len, int format);
void handleEvent(iax_event *event);
inline iax_session *session() const
{ return m_session; }
String ourcallid;
String partycallid;
String calleraddress;
String calledaddress;
private:
iax_session *m_session;
bool m_final;
int m_ast_format;
};
class IAXPlugin : public Plugin
{
public:
IAXPlugin();
virtual ~IAXPlugin();
virtual void initialize();
void cleanup();
YateIAXEndPoint *m_endpoint;
private:
bool m_first;
};
class IAXHandler : public MessageHandler
{
public:
IAXHandler(const char *name) : MessageHandler(name) { }
virtual bool received(Message &msg);
};
class SMSHandler : public MessageHandler
{
public:
SMSHandler(const char *name) : MessageHandler(name,100) { }
virtual bool received(Message &msg);
};
class DTMFHandler : public MessageHandler
{
public:
DTMFHandler(const char *name) : MessageHandler(name,100) { }
virtual bool received(Message &msg);
};
class StatusHandler : public MessageHandler
{
public:
StatusHandler(const char *name) : MessageHandler(name,100) { }
virtual bool received(Message &msg);
};
class DropHandler : public MessageHandler
{
public:
DropHandler(const char *name) : MessageHandler(name,100) { }
virtual bool received(Message &msg);
};
static IAXPlugin iplugin;
YateIAXEndPoint::YateIAXEndPoint()
: Thread("IAX EndPoint")
{
Debug(DebugAll,"YateIAXEndPoint::YateIAXEndPoint() [%p]",this);
}
YateIAXEndPoint::~YateIAXEndPoint()
{
Debug(DebugAll,"YateIAXEndPoint::~YateIAXEndPoint() [%p]",this);
terminateall();
iplugin.m_endpoint = 0;
}
bool YateIAXEndPoint::Init(void)
{
int port = s_cfg.getIntValue("general","port",4569);
if (!port) {
Debug(DebugInfo,"IAX is disabled by configuration");
return false;
}
if (!(::iax_init(port))) {
Debug(DebugFail,"I can't initialize the IAX library");
return false;
}
int fd = iax_get_fd();
int tos = s_cfg.getIntValue("general","tos",dict_tos,0);
if (tos)
::setsockopt(fd,IPPROTO_IP,IP_TOS,&tos,sizeof(tos));
if (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)) {
// 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(DebugInfo,"Available IAX formats:%s",s.safe());
}
s_ast_formats = frm;
::iax_set_formats(s_ast_formats);
return true;
}
void YateIAXEndPoint::terminateall(void)
{
Debug(DebugInfo,"YateIAXEndPoint::terminateall()");
m_calls.clear();
}
// Handle regular conectionless events with a valid session
void YateIAXEndPoint::handleEvent(iax_event *event)
{
#ifdef DEBUG
Debug("IAX Event",DebugAll,"Connectionless event %d/%d",event->etype,event->subclass);
#endif
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(DebugInfo,"this text is outside a call: %s , a handle for this dosen't yet exist",(char *)event->data);
}
break;
default:
Debug(DebugInfo,"Unhandled connectionless IAX event %d/%d",event->etype,event->subclass);
}
}
void YateIAXEndPoint::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;
::usleep(t*1000);
for (;;) {
s_mutex.lock();
e = ::iax_get_event(0);
s_mutex.unlock();
if (!e)
break;
#ifdef DEBUG
Debug("IAX Event",DebugAll,"event %d/%d",e->etype,e->subclass);
#endif
YateIAXConnection *conn = 0;
// We first take care of the special events
switch(e->etype) {
case IAX_EVENT_CONNECT:
answer(e);
break;
case IAX_EVENT_REJECT:
case IAX_EVENT_HANGUP:
if ((conn = findconn(e->session)) != 0) {
conn->abort();
conn->destruct();
}
break;
case IAX_EVENT_REGREQ:
reg(e);
Debug(DebugInfo,"am primit un registration request");
break;
case IAX_EVENT_AUTHRP:
answer(e);
break;
default:
conn = (YateIAXConnection *)::iax_get_private(e->session);
if (conn)
conn->handleEvent(e);
else
handleEvent(e);
}
s_mutex.lock();
::iax_event_free(e);
s_mutex.unlock();
}
}
}
bool YateIAXEndPoint::accepting(iax_event *e)
{
if (s_cfg.getBoolValue("users","unauth",false))
{
s_mutex.lock();
iax_accept(e->session,2);
s_mutex.unlock();
return 1;
}
Message m("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,2);
s_mutex.unlock();
return 1;
}
if (e->etype != IAX_EVENT_AUTHRP)
{
int methods = IAX_AUTH_MD5;
String s(::rand());
strncpy(e->session->username,e->ies.username,sizeof(e->session->username));
strncpy(e->session->dnid,e->ies.called_number,sizeof(e->session->dnid));
strncpy(e->session->callerid,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 1;
} else
{
s_mutex.lock();
iax_send_regrej(e->session);
s_mutex.unlock();
return 0;
}
}
return 0;
}
void YateIAXEndPoint::answer(iax_event *e)
{
if (!accepting(e))
return;
Message *m = new Message("route");
m->addParam("driver","iax");
// m->addParam("id",String(e->did));
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);
Debug(DebugInfo,"callername %s and called %s",e->ies.calling_number,e->ies.called_number);
Engine::dispatch(m);
if (m->retValue() != NULL) {
YateIAXConnection *conn = new YateIAXConnection(e->session);
//this have to be here to get the right called_address.
conn->calledaddress = m->retValue();
*m = "call";
m->userData(conn);
m->addParam("callto",m->retValue());
m->addParam("partycallid",conn->ourcallid);
m->retValue() = 0;
if (!Engine::dispatch(m))
{
conn->reject("I haven't been able to connect you with the other module");
delete conn;
delete m;
return;
}
/* i do this to setup the peercallid by getting ourcallid
* from the other party */
String ourcallid(m->getValue("ourcallid"));
Debug(DebugInfo,"partycallid %s",ourcallid.c_str());
if (ourcallid)
conn->partycallid = ourcallid;
conn->deref();
s_mutex.lock();
::iax_answer(e->session);
s_mutex.unlock();
int format,capability;
if (e->ies.format != 0)
format = e->ies.format;
else
format = e->session->voiceformat;
if (e->ies.capability != 0)
capability = e->ies.capability;
else
capability = e->session->peerformats;
conn->startAudio(format,capability);
Debug(DebugInfo,"The return value of the message is %s %p",m->retValue().c_str(),m->userData());
} else {
Debug(DebugInfo,"I haven't been able to find a route for this IAX call");
s_mutex.lock();
::iax_reject(e->session,"No route");
::iax_destroy(e->session);
s_mutex.unlock();
}
// String str = "The answer is: " ;
// str << m->retValue();
// Debug(DebugInfo,str);
delete m;
}
void YateIAXEndPoint::reg(iax_event *e)
{
Message m("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,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();
}
YateIAXConnection * YateIAXEndPoint::findconn(iax_session *session)
{
ObjList *p = &m_calls;
for (; p; p=p->next()) {
YateIAXConnection *t = static_cast<YateIAXConnection *>(p->get());
if (t && (t->session() == session))
return t;
}
return 0;
}
YateIAXConnection * YateIAXEndPoint::findconn(String ourcallid)
{
ObjList *p = &m_calls;
for (; p; p=p->next()) {
YateIAXConnection *t = static_cast<YateIAXConnection *>(p->get());
if (t && (t->ourcallid == ourcallid))
{
return t;
}
}
return 0;
}
YateIAXConnection::YateIAXConnection(iax_session *session)
: m_session(session), m_final(false), m_ast_format(0)
{
Debug(DebugAll,"YateIAXConnection::YateIAXConnection() [%p]",this);
if (!m_session) {
s_mutex.lock();
m_session = ::iax_session_new();
s_mutex.unlock();
}
iplugin.m_endpoint->calls().append(this);
::iax_set_private(m_session,this);
char buf[64];
snprintf(buf,sizeof(buf),"%p",m_session);
ourcallid=buf;
}
YateIAXConnection::~YateIAXConnection()
{
Debugger debug(DebugAll,"YateIAXConnection::~YateIAXConnection()"," [%p]",this);
iplugin.m_endpoint->calls().remove(this,false);
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();
}
}
// Handle regular connection events with a valid session
void YateIAXConnection::handleEvent(iax_event *event)
{
#ifdef DEBUG
Debug("IAX Event",DebugAll,"Connection event %d/%d in [%p]",event->etype,event->subclass,this);
#endif
switch(event->etype) {
case IAX_EVENT_ACCEPT:
startAudio(event->ies.format,event->ies.capability);
break;
case IAX_EVENT_VOICE:
// Debug(DebugInfo,"session->jitter %d session->jitterbuffer %d",event->session->jitter,event->session->jitterbuffer);
sourceAudio(event->data,event->datalen,event->subclass);
break;
case IAX_EVENT_TEXT:
{
Message m("sms");
m.addParam("text",(char *)event->data);
m.addParam("ourcallid",ourcallid.c_str());
m.addParam("partycallid",partycallid.c_str());
m.addParam("callerid",event->session->callerid);
m.addParam("calledid",event->session->dnid);
Engine::dispatch(m);
Debug(DebugInfo,"this text is inside a call: %s",(char *)event->data);
}
break;
case IAX_EVENT_DTMF:
{
Message m("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("ourcallid",ourcallid.c_str());
m.addParam("partycallid",partycallid.c_str());
m.addParam("callerid",event->session->callerid);
m.addParam("calledid",event->session->dnid);
Engine::dispatch(m);
Debug(DebugInfo,"this text is inside a call: %d",event->subclass);
}
break;
#if 0
case IAX_EVENT_TIMEOUT:
break;
case IAX_EVENT_RINGA:
break;
case IAX_EVENT_BUSY:
break;
case IAX_EVENT_ANSWER:
break;
#endif
default:
Debug(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 YateIAXConnection::abort()
{
Debug(DebugAll,"YateIAXConnection::abort()");
m_final = true;
m_session = 0;
}
void YateIAXConnection::hangup(char *reason)
{
Debug(DebugAll,"YateIAXConnection::hangup()");
if (!m_final) {
s_mutex.lock();
m_final = true;
::iax_hangup(m_session,reason);
s_mutex.unlock();
}
}
void YateIAXConnection::reject(char *reason)
{
Debug(DebugAll,"YateIAXConnection::reject()");
if (!m_final) {
s_mutex.lock();
m_final = true;
::iax_reject(m_session,reason);
s_mutex.unlock();
}
}
int YateIAXConnection::makeCall(char *cidnum, char *cidname, char *target, char *lang)
{
Lock lock(s_mutex);
::iax_set_formats(s_ast_formats);
return ::iax_call(m_session,cidnum,cidname,target,lang,0);
}
void YateIAXConnection::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(DebugAll,"Creating IAX DataConsumer format \"%s\" (0x%X) in [%p]",frm->token,frm->value,this);
setConsumer(new YateIAXAudioConsumer(this,m_session,frm->value,frm->token));
getConsumer()->deref();
}
void YateIAXConnection::sourceAudio(void *buffer, int len, int format)
{
format &= s_ast_formats;
if (!format)
return;
if (!getSource()) {
// Exact match required - incoming data must be a single format
const char *frm = lookup(format,dict_iaxformats);
if (!frm)
return;
Debug(DebugAll,"Creating IAXSource format \"%s\" (0x%X) in [%p]",frm,format,this);
m_ast_format = format;
setSource(new IAXSource(frm));
getSource()->deref();
}
if ((format == m_ast_format) && getSource()) {
DataBlock data(buffer,len,false);
((IAXSource *)(getSource()))->Forward(data);
data.clear(false);
}
}
void YateIAXConnection::disconnected()
{
Debug(DebugAll,"YateIAXConnection::disconnected()");
}
IAXSource::~IAXSource()
{
Debug(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*1000000ULL + m_time/2) / m_time;
Debug(DebugInfo,"IAXSource rate=%llu b/s",m_time);
}
}
}
void IAXSource::Forward(const DataBlock &data)
{
m_total += data.length();
DataSource::Forward(data);
}
YateIAXAudioConsumer::YateIAXAudioConsumer(YateIAXConnection *conn, iax_session *session, int ast_format, const char *format)
: DataConsumer(format), m_conn(conn), m_session(session),
m_ast_format(ast_format), m_total(0), m_time(Time::now())
{
Debug(DebugAll,"YateIAXAudioConsumer::YateIAXAudioConsumer(%p) [%p]",conn,this);
}
YateIAXAudioConsumer::~YateIAXAudioConsumer()
{
Debug(DebugAll,"YateIAXAudioConsumer::~YateIAXAudioConsumer() [%p] total=%u",this,m_total);
if (m_time) {
m_time = Time::now() - m_time;
if (m_time) {
m_time = (m_total*1000000ULL + m_time/2) / m_time;
Debug(DebugInfo,"YateIAXAudioConsumer rate=%llu b/s",m_time);
}
}
}
void YateIAXAudioConsumer::Consume(const DataBlock &data)
{
m_total += data.length();
::iax_send_voice(m_session,m_ast_format,(char *)data.data(),data.length());
}
bool SMSHandler::received(Message &msg)
{
String partycallid(msg.getValue("partycallid"));
if (!partycallid)
return false;
String text(msg.getValue("text"));
if (!text)
return false;
Debug(DebugInfo,"text %s partycallid %s",text.c_str(),partycallid.c_str());
YateIAXConnection *conn= iplugin.m_endpoint->findconn(partycallid);
if (!conn)
Debug(DebugInfo,"conn is null");
else {
text << "\0";
::iax_send_text(conn->session(),(char *)(text.c_str()));
return true;
}
return false;
}
bool DTMFHandler::received(Message &msg)
{
String partycallid(msg.getValue("partycallid"));
if (!partycallid)
return false;
String text(msg.getValue("text"));
if (!text)
return false;
Debug(DebugInfo,"text %s partycallid %s",text.c_str(),partycallid.c_str());
YateIAXConnection *conn= iplugin.m_endpoint->findconn(partycallid);
if (!conn)
Debug(DebugInfo,"conn is null");
else {
for (unsigned int i=0;i<text.length();i++)
::iax_send_dtmf(conn->session(),(text[i]));
return true;
}
return false;
}
bool IAXHandler::received(Message &msg)
{
String dest(msg.getValue("callto"));
if (dest.null())
return false;
Regexp r("^iax/\\(.*\\)$");
if (!dest.matches(r))
return false;
if (!msg.userData()) {
Debug(DebugFail,"IAX call found but no data channel!");
return false;
}
String ip = dest.matchString(1);
YateIAXConnection *conn = new YateIAXConnection();
/* i do this to setup the peercallid by getting ourcallid
* from the other party */
String ourcallid(msg.getValue("ourcallid"));
if (ourcallid)
conn->partycallid = ourcallid;
conn->calledaddress = dest;
int i = conn->makeCall((char *)msg.getValue("caller"),(char *)msg.getValue("callername"),(char *)dest.matchString(1).safe());
if (i < 0) {
Debug(DebugInfo,"call failed in iax_call with code %d",i);
conn->destruct();
return false;
}
DataEndpoint *dd = static_cast<DataEndpoint *>(msg.userData());
if (dd && conn->connect(dd))
conn->deref();
return true;
};
bool StatusHandler::received(Message &msg)
{
const char *sel = msg.getValue("module");
if (sel && ::strcmp(sel,"iaxchan") && ::strcmp(sel,"varchans"))
return false;
String st("iaxchan,type=varchans");
st << ",chans=" << iplugin.m_endpoint->calls().count() << ",[LIST]";
ObjList *l = &iplugin.m_endpoint->calls();
for (; l; l=l->next()) {
YateIAXConnection *c = static_cast<YateIAXConnection *>(l->get());
if (c) {
st << ",iax/" << c->ourcallid << "=" << c->calledaddress << "/" << c->partycallid;
}
}
msg.retValue() << st << "\n";
return false;
}
bool DropHandler::received(Message &msg)
{
String id(msg.getValue("id"));
if (id.null()) {
Debug("IAXDroper",DebugInfo,"Dropping all calls");
ObjList *l = &iplugin.m_endpoint->calls();
for (; l; l=l->next()) {
YateIAXConnection *c = static_cast<YateIAXConnection *>(l->get());
if(c)
delete c;
}
}
if (!id.startsWith("iax"))
return false;
id >> "/";
YateIAXConnection *conn = iplugin.m_endpoint->findconn(id);
if (conn) {
Debug("IAXDropper",DebugInfo,"Dropping call '%s' [%p]",conn->ourcallid.c_str(),conn);
delete conn;
return true;
}
Debug("IAXDropper",DebugInfo,"Could not find call '%s'",id.c_str());
return false;
}
IAXPlugin::IAXPlugin()
: m_endpoint(0), m_first(true)
{
Output("Loaded module IAX");
}
void IAXPlugin::cleanup()
{
if (m_endpoint) {
delete m_endpoint;
m_endpoint = 0;
}
}
IAXPlugin::~IAXPlugin()
{
Output("Unloading module IAX");
cleanup();
}
void IAXPlugin::initialize()
{
Output("Initializing module IAX");
s_cfg = Engine::configFile("iaxchan");
s_cfg.load();
if (!m_endpoint) {
if (!YateIAXEndPoint::Init())
return;
m_endpoint = new YateIAXEndPoint;
}
if (m_first) {
m_first = false;
Engine::install(new IAXHandler("call"));
Engine::install(new SMSHandler("sms"));
Engine::install(new DTMFHandler("dtmf"));
Engine::install(new StatusHandler("status"));
Engine::install(new DropHandler("drop"));
}
}
/* vi: set ts=8 sw=4 sts=4 noet: */