Preliminary support for FXS (analog) MGCP gateways.

git-svn-id: http://voip.null.ro/svn/yate@2577 acf43c95-373e-0410-b603-e72c3f656dc1
This commit is contained in:
paulc 2009-04-13 12:31:11 +00:00
parent b481d7d963
commit 05b1034846
2 changed files with 524 additions and 64 deletions

View File

@ -51,4 +51,6 @@
;port=2427
; default: bool: This is the default gateway to send commands to
; The first gateway which is not explicitely disabled or the last that is
; explicitely enabled will become default
;default=no

View File

@ -49,7 +49,7 @@ class MGCPWrapper : public DataEndpoint
{
YCLASS(MGCPWrapper,DataEndpoint)
public:
MGCPWrapper(CallEndpoint* conn, const char* media, Message& msg);
MGCPWrapper(CallEndpoint* conn, const char* media, Message& msg, const char* epId);
~MGCPWrapper();
bool sendDTMF(const String& tones);
void gotDTMF(char tone);
@ -94,8 +94,19 @@ public:
virtual ~MGCPSpan();
inline const String& ntfyId() const
{ return m_notify; }
inline const MGCPEndpointId& epId() const
{ return m_epId; }
inline MGCPEndpointId& epId()
{ return m_epId; }
inline bool operational() const
{ return m_operational; }
inline const String& address() const
{ return m_address; }
inline bool fxo() const
{ return m_fxo; }
inline bool fxs() const
{ return m_fxs; }
bool ownsId(const String& rqId) const;
static void* create(const String& type, const NamedList& name);
static MGCPSpan* findNotify(const String& id);
bool matchEndpoint(const MGCPEndpointId& ep);
@ -107,25 +118,72 @@ private:
void clearCircuits();
MGCPCircuit* findCircuit(const String& epId, const String& rqId) const;
void operational(bool active);
void operational(const SocketAddr& address);
MGCPCircuit** m_circuits;
unsigned int m_count;
MGCPEndpointId m_epId;
bool m_operational;
bool m_fxo;
bool m_fxs;
String m_notify;
String m_address;
};
class MGCPCircuit : public SignallingCircuit
{
public:
MGCPCircuit(unsigned int code, MGCPSpan* span);
MGCPCircuit(unsigned int code, MGCPSpan* span, const char* id);
virtual ~MGCPCircuit();
virtual void* getObject(const String& name) const;
virtual bool status(Status newStat, bool sync);
virtual bool updateFormat(const char* format, int direction);
virtual bool sendEvent(SignallingCircuitEvent::Type type, NamedList* params);
inline const String& epId() const
{ return m_epId; }
inline const String& ntfyId() const
{ return m_notify; }
bool processNotify(const String& event);
inline const String& connId() const
{ return m_connId; }
inline bool hasRtp() const
{ return m_rtpId && (m_source || m_consumer); }
inline MGCPSpan* mySpan()
{ return static_cast<MGCPSpan*>(span()); }
inline bool fxo()
{ return mySpan()->fxo(); }
inline bool fxs()
{ return mySpan()->fxs(); }
bool processEvent(MGCPTransaction* tr, MGCPMessage* mm);
bool processNotify(const String& package, const String& event, const String& fullName);
void clearConn();
private:
MGCPMessage* message(const char* cmd);
bool sendAsync(MGCPMessage* mm);
RefPointer<MGCPMessage> sendSync(MGCPMessage* mm);
bool sendRequest(const char* sigReq, const char* reqEvt = 0, const char* digitMap = 0);
bool enqueueEvent(SignallingCircuitEvent::Type type, const char* name, const char* dtmf = 0);
void cleanupRtp();
bool createRtp();
bool startRtp();
bool setupConn();
String m_epId;
Status m_statusReq;
String m_notify;
// Connection data
String m_connId;
String m_callId;
// Local RTP related data
RefPointer<DataSource> m_source;
RefPointer<DataConsumer> m_consumer;
String m_rtpId;
String m_localIp;
int m_localPort;
// Remote (MGCP GW side) RTP data
String m_remoteIp;
int m_remotePort;
int m_remotePayload;
// Synchronous transaction data
MGCPTransaction* m_tr;
RefPointer<MGCPMessage> m_msg;
};
class RtpHandler : public MessageHandler
@ -172,7 +230,7 @@ static Mutex s_mutex;
// Copy one parameter (if present) with new name
bool copyRename(NamedList& dest, const char* dname, const NamedList& src, const String& sname)
static bool copyRename(NamedList& dest, const char* dname, const NamedList& src, const String& sname)
{
if (!sname)
return false;
@ -183,6 +241,31 @@ bool copyRename(NamedList& dest, const char* dname, const NamedList& src, const
return true;
}
// Increment the number at the end of a name by an offset
static bool increment(String& name, unsigned int offs)
{
unsigned int i = name.length();
while (i--) {
char c = name.at(i);
if ((c < '0') || (c > '9'))
return false;
int d = offs % 10;
offs /= 10;
if (d) {
c += d;
if (c > '9') {
c -= 10;
offs++;
}
const_cast<char*>(name.c_str())[i] = c;
}
if (0 == offs)
return true;
}
return false;
}
YMGCPEngine::~YMGCPEngine()
{
s_engine = 0;
@ -194,14 +277,17 @@ bool YMGCPEngine::processEvent(MGCPTransaction* trans, MGCPMessage* msg, void* d
{
MGCPWrapper* wrap = YOBJECT(MGCPWrapper,static_cast<GenObject*>(data));
MGCPSpan* span = YOBJECT(MGCPSpan,static_cast<GenObject*>(data));
Debug(this,DebugAll,"YMGCPEngine::processEvent(%p,%p,%p) wrap=%p span=%p [%p]",
trans,msg,data,wrap,span,this);
MGCPCircuit* circ = YOBJECT(MGCPCircuit,static_cast<GenObject*>(data));
Debug(this,DebugAll,"YMGCPEngine::processEvent(%p,%p,%p) wrap=%p span=%p circ=%p [%p]",
trans,msg,data,wrap,span,circ,this);
if (!trans)
return false;
if (wrap)
return wrap->processEvent(trans,msg);
if (span)
return span->processEvent(trans,msg);
if (circ)
return circ->processEvent(trans,msg);
if (!msg)
return false;
if (!data && !trans->outgoing() && msg->isCommand()) {
@ -290,19 +376,18 @@ bool YMGCPEngine::processEvent(MGCPTransaction* trans, MGCPMessage* msg, void* d
}
MGCPWrapper::MGCPWrapper(CallEndpoint* conn, const char* media, Message& msg)
MGCPWrapper::MGCPWrapper(CallEndpoint* conn, const char* media, Message& msg, const char* epId)
: DataEndpoint(conn,media),
m_tr(0)
m_tr(0), m_connEp(epId)
{
Debug(&splugin,DebugAll,"MGCPWrapper::MGCPWrapper(%p,'%s') [%p]",
conn,media,this);
Debug(&splugin,DebugAll,"MGCPWrapper::MGCPWrapper(%p,'%s','%s') [%p]",
conn,media,epId,this);
m_id = "mgcp/";
m_id << (unsigned int)::random();
if (conn)
m_master = conn->id();
m_master = msg.getValue("id",(conn ? conn->id().c_str() : (const char*)0));
m_audio = (name() == "audio");
m_connEp = msg.getValue("mgcp_endpoint",s_defaultEp);
s_mutex.lock();
s_wrappers.append(this);
// setupRTP(localip,rtcp);
@ -351,9 +436,6 @@ bool MGCPWrapper::processEvent(MGCPTransaction* tr, MGCPMessage* mm)
// Process incoming notify events for this wrapper
bool MGCPWrapper::processNotify(MGCPTransaction* tr, MGCPMessage* mm, const String& event)
{
Debug(&splugin,DebugStub,"MGCPWrapper::processNotify(%p,%p,'%s') [%p]",
tr,mm,event.c_str(),this);
if (event.null())
return false;
else if (event.find(',') >= 0) {
@ -365,8 +447,11 @@ bool MGCPWrapper::processNotify(MGCPTransaction* tr, MGCPMessage* mm, const Stri
delete l;
return ok;
}
else
else {
Debug(&splugin,DebugStub,"MGCPWrapper::processNotify(%p,%p,'%s') [%p]",
tr,mm,event.c_str(),this);
return false;
}
return true;
}
@ -530,7 +615,7 @@ MGCPWrapper* MGCPWrapper::findNotify(const String& id)
// Send a DTMF as a sequence of package D events
bool MGCPWrapper::sendDTMF(const String& tones)
{
Debug(&splugin,DebugStub,"MGCPWrapper::sendDTMF('%s') [%p]",
DDebug(&splugin,DebugInfo,"MGCPWrapper::sendDTMF('%s') [%p]",
tones.c_str(),this);
MGCPEpInfo* ep = s_endpoint->find(m_connEp);
if (!ep)
@ -549,7 +634,7 @@ bool MGCPWrapper::sendDTMF(const String& tones)
void MGCPWrapper::gotDTMF(char tone)
{
Debug(&splugin,DebugInfo,"MGCPWrapper::gotDTMF('%c') [%p]",tone,this);
DDebug(&splugin,DebugInfo,"MGCPWrapper::gotDTMF('%c') [%p]",tone,this);
if (m_master.null())
return;
char buf[2];
@ -576,7 +661,7 @@ bool MGCPWrapper::nativeConnect(DataEndpoint* peer)
Debug(&splugin,DebugWarn,"Not bridging to uninitialized %p [%p]",other,this);
return false;
}
Debug(&splugin,DebugStub,"Native bridging to %p [%p]",other,this);
Debug(&splugin,DebugNote,"Native bridging to %p [%p]",other,this);
MGCPEpInfo* ep = s_endpoint->find(m_connEp);
if (!ep)
return false;
@ -614,7 +699,7 @@ MGCPSpan* MGCPSpan::findNotify(const String& id)
ObjList* l = &s_spans;
for (; l; l=l->next()) {
MGCPSpan* s = static_cast<MGCPSpan*>(l->get());
if (s && (s->ntfyId() == id))
if (s && s->ownsId(id))
return s;
}
return 0;
@ -623,12 +708,26 @@ MGCPSpan* MGCPSpan::findNotify(const String& id)
MGCPSpan::MGCPSpan(const NamedList& params, const char* name, const MGCPEpInfo& ep)
: SignallingCircuitSpan(params.getValue("debugname",name),
static_cast<SignallingCircuitGroup*>(params.getObject("SignallingCircuitGroup"))),
m_circuits(0), m_count(1), m_epId(ep), m_operational(false)
m_circuits(0), m_count(1), m_epId(ep), m_operational(false),
m_fxo(false), m_fxs(false)
{
Debug(&splugin,DebugAll,"MGCPSpan::MGCPSpan(%p,'%s') [%p]",
&params,name,this);
u_int32_t ntfy = (u_int32_t)::random();
m_notify.hexify(&ntfy,sizeof(ntfy));
const AnalogLineGroup* analog = YOBJECT(AnalogLineGroup,group());
if (analog) {
switch (analog->type()) {
case AnalogLine::FXO:
m_fxo = true;
break;
case AnalogLine::FXS:
m_fxs = true;
break;
default:
break;
}
}
s_mutex.lock();
s_spans.append(this);
s_mutex.unlock();
@ -672,10 +771,18 @@ bool MGCPSpan::init(const NamedList& params)
m_circuits[i] = 0;
bool ok = true;
for (i = 0; i < m_count; i++) {
MGCPCircuit* circuit = new MGCPCircuit(cicStart + i,this);
String name = epId().id();
if (!increment(name,i)) {
Debug(m_group,DebugWarn,"MGCPSpan('%s'). Failed to increment name by %u. Rollback [%p]",
id().safe(),i,this);
clearCircuits();
ok = false;
break;
}
MGCPCircuit* circuit = new MGCPCircuit(cicStart + i,this,name);
m_circuits[i] = circuit;
if (!m_group->insert(circuit)) {
Debug(m_group,DebugNote,"MGCPSpan('%s'). Failed to create/insert circuit %u. Rollback [%p]",
Debug(m_group,DebugWarn,"MGCPSpan('%s'). Failed to create/insert circuit %u. Rollback [%p]",
id().safe(),cicStart + i,this);
clearCircuits();
ok = false;
@ -693,15 +800,23 @@ void MGCPSpan::operational(bool active)
{
if (active == m_operational)
return;
Debug(&splugin,DebugNote,"MGCPSpan '%s' is%s operational [%p]",
Debug(&splugin,DebugCall,"MGCPSpan '%s' is%s operational [%p]",
id().c_str(),(active ? "" : " not"),this);
m_operational = active;
}
// Set the operational state and copy GW address
void MGCPSpan::operational(const SocketAddr& address)
{
if (address.valid() && address.host())
m_address = address.host();
operational(true);
}
// Check if this span matches an endpoint ID
bool MGCPSpan::matchEndpoint(const MGCPEndpointId& ep)
{
if (ep.port() != m_epId.port())
if (ep.port() && (ep.port() != m_epId.port()))
return false;
if (ep.host() |= m_epId.host())
return false;
@ -709,6 +824,26 @@ bool MGCPSpan::matchEndpoint(const MGCPEndpointId& ep)
return true;
if (ep.user() == "*")
return true;
String tmp = ep.user();
Regexp r("^\\(.*\\)\\[\\([0-9]\\+\\)-\\([0-9]\\+\\)\\]$");
if (!(tmp.matches(r) && m_epId.user().startsWith(tmp.matchString(1),false,true)))
return false;
int idx = m_epId.user().substr(tmp.matchLength(1)).toInteger(-1,10);
if (idx < 0)
return false;
return (tmp.matchString(2).toInteger(idx+1,10) <= idx) && (idx <= tmp.matchString(3).toInteger(-1,10));
}
// Check if a request Id is for this span or one of its circuits
bool MGCPSpan::ownsId(const String& rqId) const
{
if (ntfyId() == rqId)
return true;
for (unsigned int i = 0; i < m_count; i++) {
MGCPCircuit* circuit = m_circuits[i];
if (circuit && (circuit->ntfyId() == rqId))
return true;
}
return false;
}
@ -736,7 +871,7 @@ MGCPCircuit* MGCPSpan::findCircuit(const String& epId, const String& rqId) const
// Process incoming events for this span
bool MGCPSpan::processEvent(MGCPTransaction* tr, MGCPMessage* mm)
{
Debug(&splugin,DebugStub,"MGCPSpan::processEvent(%p,%p) '%s' [%p]",
DDebug(&splugin,DebugInfo,"MGCPSpan::processEvent(%p,%p) '%s' [%p]",
tr,mm,mm->name().c_str(),this);
if (mm->name() == "NTFY") {
@ -756,7 +891,7 @@ bool MGCPSpan::processEvent(MGCPTransaction* tr, MGCPMessage* mm)
// Process incoming notify events for this span
bool MGCPSpan::processNotify(MGCPTransaction* tr, MGCPMessage* mm, const String& event, const String& requestId)
{
Debug(&splugin,DebugStub,"MGCPSpan::processNotify(%p,%p,'%s','%s') [%p]",
DDebug(&splugin,DebugInfo,"MGCPSpan::processNotify(%p,%p,'%s','%s') [%p]",
tr,mm,event.c_str(),requestId.c_str(),this);
if (event.null())
@ -772,30 +907,23 @@ bool MGCPSpan::processNotify(MGCPTransaction* tr, MGCPMessage* mm, const String&
}
else {
MGCPCircuit* circuit = findCircuit(mm->endpointId(),requestId);
return circuit && circuit->processNotify(event);
if (!circuit)
return false;
int pos = event.find('/');
if (pos <= 0)
return false;
return circuit->processNotify(event.substr(0,pos).trimBlanks().toUpper(),
event.substr(pos+1).trimBlanks(),event);
}
#if 0
else if (event &= "L/hd") {
// Line off-hook
}
else if (event &= "L/hu") {
// Line on-hook
}
else
return false;
return true;
#endif
}
// Process gateway restart events for this span
bool MGCPSpan::processRestart(MGCPTransaction* tr, MGCPMessage* mm, const String& method)
{
Debug(&splugin,DebugStub,"MGCPSpan::processRestart(%p,%p,'%s') [%p]",
DDebug(&splugin,DebugInfo,"MGCPSpan::processRestart(%p,%p,'%s') [%p]",
tr,mm,method.c_str(),this);
if (method &= "X-KeepAlive")
return true;
if (method &= "disconnected") {
operational(true);
if ((method &= "X-KeepAlive") || (method &= "disconnected") || (method &= "restart")) {
operational(tr->addr());
}
else if (method &= "graceful")
operational(false);
@ -808,14 +936,17 @@ bool MGCPSpan::processRestart(MGCPTransaction* tr, MGCPMessage* mm, const String
}
MGCPCircuit::MGCPCircuit(unsigned int code, MGCPSpan* span)
MGCPCircuit::MGCPCircuit(unsigned int code, MGCPSpan* span, const char* id)
: SignallingCircuit(RTP,code,Missing,span->group(),span),
m_statusReq(Missing)
m_epId(id), m_statusReq(Missing),
m_localPort(0), m_remotePort(0), m_remotePayload(-1), m_tr(0)
{
Debug(&splugin,DebugAll,"MGCPCircuit::MGCPCircuit(%u,%p) [%p]",
code,span,this);
Debug(&splugin,DebugAll,"MGCPCircuit::MGCPCircuit(%u,%p,'%s') [%p]",
code,span,id,this);
u_int32_t cic = code;
m_notify.hexify(&cic,sizeof(cic));
m_callId.hexify(this,sizeof(this));
m_callId += m_notify;
m_notify = span->ntfyId() + m_notify;
}
@ -823,6 +954,229 @@ MGCPCircuit::~MGCPCircuit()
{
Debug(&splugin,DebugAll,"MGCPCircuit::~MGCPCircuit() %u [%p]",
code(),this);
s_mutex.lock();
if (m_tr) {
m_tr->userData(0);
m_tr = 0;
}
s_mutex.unlock();
m_msg = 0;
cleanupRtp();
clearConn();
}
void* MGCPCircuit::getObject(const String& name) const
{
if (SignallingCircuit::status() == Connected) {
if (name == "DataSource")
return m_source;
if (name == "DataConsumer")
return m_consumer;
}
if (name == "MGCPCircuit")
return (void*)this;
return SignallingCircuit::getObject(name);
}
// Clean up any RTP we may still hold
void MGCPCircuit::cleanupRtp()
{
if (m_rtpId) {
m_rtpId.clear();
m_localIp.clear();
m_localPort = 0;
}
m_source = 0;
m_consumer = 0;
}
// Create a local RTP instance
bool MGCPCircuit::createRtp()
{
if (hasRtp())
return true;
cleanupRtp();
Message m("chan.rtp");
RefPointer<DataEndpoint> de = new DataEndpoint;
de->deref();
m.userData(de);
m.addParam("direction","bidir");
if (m_remoteIp && m_remotePort) {
m.addParam("remoteip",m_remoteIp);
m.addParam("remoteport",String(m_remotePort));
}
else
m.addParam("remoteip",mySpan()->address());
m.addParam("mgcp_allowed",String::boolText(false));
if (Engine::dispatch(m)) {
m_source = de->getSource();
m_consumer = de->getConsumer();
m_rtpId = m.getValue("rtpid");
m_localIp = m.getValue("localip");
m_localPort = m.getIntValue("localport");
if (m_localIp && m_localPort && hasRtp())
return true;
}
m_localIp.clear();
m_localPort = 0;
Debug(&splugin,DebugWarn,"MGCPCircuit::createRtp() failed [%p]",this);
cleanupRtp();
return false;
}
// Start the local RTP instance
bool MGCPCircuit::startRtp()
{
if (!(m_remoteIp && m_remotePort && (m_remotePayload >= 0) && hasRtp()))
return false;
Message m("chan.rtp");
m.addParam("direction","bidir");
m.addParam("rtpid",m_rtpId);
m.addParam("remoteip",m_remoteIp);
m.addParam("remoteport",String(m_remotePort));
m.addParam("payload",String(m_remotePayload));
if (m_localIp)
m.addParam("localip",m_localIp);
if (m_localPort)
m.addParam("localport",String(m_localPort));
m.addParam("mgcp_allowed",String::boolText(false));
if (Engine::dispatch(m))
return true;
Debug(&splugin,DebugWarn,"MGCPCircuit::startRtp() failed [%p]",this);
return false;
}
// Create or update remote connection
bool MGCPCircuit::setupConn()
{
RefPointer<MGCPMessage> mm = message(m_connId.null() ? "CRCX" : "MDCX");
mm->params.addParam("C",m_callId);
if (m_connId)
mm->params.addParam("I",m_connId);
if (m_localIp && m_localPort) {
String mLine("audio ");
mLine << m_localPort << " RTP/AVP 0 8";
MimeSdpBody* sdp = new MimeSdpBody;
sdp->addLine("v","0");
sdp->addLine("o",m_localIp);
sdp->addLine("s","PSTN Circuit");
sdp->addLine("c","IN IP4 " + m_localIp);
sdp->addLine("t","0 0");
sdp->addLine("m",mLine);
mm->sdp.append(sdp);
}
mm = sendSync(mm);
if (!mm)
return false;
if (m_connId.null())
m_connId = mm->params.getParam("i");
if (m_connId.null())
return false;
MimeSdpBody* sdp = static_cast<MimeSdpBody*>(mm->sdp[0]);
if (sdp) {
m_remoteIp.clear();
m_remotePort = 0;
const NamedString* c = sdp->getLine("c");
if (c) {
String tmp(*c);
if (tmp.startSkip("IN IP4")) {
tmp.trimBlanks();
if (tmp == "0.0.0.0")
tmp.clear();
m_remoteIp = tmp;
}
}
c = sdp->getLine("m");
for (; c; c = sdp->getNextLine(c)) {
String tmp(*c);
if (!tmp.startSkip("audio",true))
continue;
int port = 0;
tmp >> port >> " ";
if (!tmp.startSkip("RTP/AVP",true,true))
continue;
m_remotePort = port;
tmp >> m_remotePayload;
return (m_remotePayload >= 0) && (m_remotePayload <= 255);
}
}
return true;
}
// Delete remote connection if any
void MGCPCircuit::clearConn()
{
if (m_connId.null())
return;
MGCPMessage* mm = message("DLCX");
mm->params.addParam("C",m_callId);
mm->params.addParam("I",m_connId);
m_connId.clear();
m_remoteIp.clear();
m_remotePort = 0;
sendAsync(mm);
}
// Build a MGCP message
MGCPMessage* MGCPCircuit::message(const char* cmd)
{
return new MGCPMessage(s_engine,cmd,epId());
}
// Send a MGCP message asynchronously
bool MGCPCircuit::sendAsync(MGCPMessage* mm)
{
if (!mm)
return false;
MGCPEpInfo* ep = s_endpoint->find(mySpan()->epId().id());
if (ep && s_engine->sendCommand(mm,ep->address))
return true;
TelEngine::destruct(mm);
return false;
}
// Send a MGCP message, wait for an answer and return it
RefPointer<MGCPMessage> MGCPCircuit::sendSync(MGCPMessage* mm)
{
if (!mm)
return 0;
MGCPEpInfo* ep = s_endpoint->find(mySpan()->epId().id());
if (!ep) {
TelEngine::destruct(mm);
return 0;
}
while (m_msg) {
if (Thread::check(false))
return 0;
Thread::msleep(10);
}
MGCPTransaction* tr = s_engine->sendCommand(mm,ep->address);
tr->userData(static_cast<GenObject*>(this));
m_tr = tr;
while (m_tr == tr)
Thread::msleep(10);
RefPointer<MGCPMessage> tmp = m_msg;
m_msg = 0;
if (tmp)
Debug(&splugin,DebugNote,"MGCPCircuit::sendSync() returning %d '%s' [%p]",
tmp->code(),tmp->comment().c_str(),this);
else
Debug(&splugin,DebugMild,"MGCPCircuit::sendSync() returning NULL [%p]",this);
return tmp;
}
// Send asynchronously a notification request
bool MGCPCircuit::sendRequest(const char* sigReq, const char* reqEvt, const char* digitMap)
{
MGCPMessage* mm = message("RQNT");
mm->params.addParam("X",m_notify);
if (sigReq)
mm->params.addParam("S",sigReq);
if (reqEvt)
mm->params.addParam("R",reqEvt);
if (digitMap)
mm->params.addParam("D",digitMap);
return sendAsync(mm);
}
// Circuit status change request
@ -832,23 +1186,125 @@ bool MGCPCircuit::status(Status newStat, bool sync)
lookupStatus(newStat),String::boolText(sync),this);
if ((newStat == m_statusReq) && ((SignallingCircuit::status() == newStat) || !sync))
return true;
if (!static_cast<MGCPSpan*>(span())->operational()) {
if (!mySpan()->operational()) {
if (newStat >= Idle)
return false;
}
m_statusReq = newStat;
// !!!
switch (newStat) {
case Connected:
if (createRtp() && setupConn() && startRtp())
break;
m_statusReq = SignallingCircuit::status();
return false;
default:
cleanupRtp();
clearConn();
}
return SignallingCircuit::status(newStat,sync);
}
// Process notifications for this circuit
bool MGCPCircuit::processNotify(const String& event)
// Change the format of this circuit
bool MGCPCircuit::updateFormat(const char* format, int direction)
{
Debug(&splugin,DebugStub,"MGCPCircuit::processNotify('%s') %u [%p]",
event.c_str(),code(),this);
if (!format)
return false;
Debug(&splugin,DebugStub,"MGCPCircuit::updateFormat('%s',%d) %u [%p]",
format,direction,code(),this);
return false;
}
// Send out an event on this circuit
bool MGCPCircuit::sendEvent(SignallingCircuitEvent::Type type, NamedList* params)
{
DDebug(&splugin,DebugAll,"MGCPCircuit::sendEvent(%u,%p) %u [%p]",
type,params,code(),this);
switch (type) {
case SignallingCircuitEvent::RingBegin:
return fxs() && sendRequest("L/rg");
// case SignallingCircuitEvent::RingEnd:
// return fxs() && sendRequest("L/rg(-)");
case SignallingCircuitEvent::Polarity:
return fxs() && sendRequest("L/lsa");
case SignallingCircuitEvent::OffHook:
return fxo() && sendRequest("L/hd","L/lsa(N)");
case SignallingCircuitEvent::OnHook:
return fxo() && sendRequest("L/hu");
case SignallingCircuitEvent::Flash:
return fxo() && sendRequest("L/hf");
case SignallingCircuitEvent::Dtmf:
if (params)
return sendRequest("D/" + *params);
break;
default:
;
}
return SignallingCircuit::sendEvent(type,params);
}
// Process incoming events for this circuit
bool MGCPCircuit::processEvent(MGCPTransaction* tr, MGCPMessage* mm)
{
Debug(&splugin,DebugAll,"MGCPCircuit::processEvent(%p,%p) [%p]",
tr,mm,this);
if (tr == m_tr) {
if (!mm || (tr->msgResponse())) {
tr->userData(0);
m_msg = mm;
m_tr = 0;
}
}
return false;
}
// Process notifications for this circuit
bool MGCPCircuit::processNotify(const String& package, const String& event, const String& fullName)
{
DDebug(&splugin,DebugAll,"MGCPCircuit::processNotify('%s','%s') %u [%p]",
package.c_str(),event.c_str(),code(),this);
if (package.null() || event.null())
return false;
if ((package == "L") || (package == "H")) {
// Line or Handset events
if (event &= "hd") {
if (!mySpan()->operational()) {
Debug(&splugin,DebugMild,"Got Off-Hook on non-operational span '%s' [%p]",
mySpan()->id().c_str(),this);
return false;
}
if (fxs())
sendRequest(0,"L/hu(N),D/[0-9#*](N)");
return enqueueEvent(SignallingCircuitEvent::OffHook,fullName);
}
else if (event &= "hu") {
if (SignallingCircuit::status() == Connected)
status(Idle,false);
return enqueueEvent(SignallingCircuitEvent::OnHook,fullName);
}
else if (event &= "hf")
return enqueueEvent(SignallingCircuitEvent::Flash,fullName);
else if (event &= "lsa")
return enqueueEvent(SignallingCircuitEvent::Polarity,fullName);
}
else if (package == "D") {
// DTMF events
if (event.length() == 1)
return enqueueEvent(SignallingCircuitEvent::Dtmf,fullName,event);
}
return false;
}
// Enqueue an event detected by this circuit
bool MGCPCircuit::enqueueEvent(SignallingCircuitEvent::Type type, const char* name, const char* dtmf)
{
DDebug(&splugin,DebugAll,"Enqueueing event %u '%s' '%s'",type,name,dtmf);
SignallingCircuitEvent* ev = new SignallingCircuitEvent(this,type,name);
if (dtmf)
ev->addParam("tone",dtmf);
addEvent(ev);
return true;
}
// Handler for chan.rtp messages - one per media type
bool RtpHandler::received(Message& msg)
@ -861,15 +1317,12 @@ bool RtpHandler::received(Message& msg)
return false;
Debug(&splugin,DebugAll,"RTP message received");
MGCPWrapper* w = 0;
CallEndpoint* ch = YOBJECT(CallEndpoint,msg.userData());
const char* media = msg.getValue("media","audio");
CallEndpoint *ch = static_cast<CallEndpoint*>(msg.userData());
if (ch) {
w = MGCPWrapper::find(ch,media);
if (w)
Debug(&splugin,DebugAll,"Wrapper %p found by CallEndpoint",w);
}
if (!w) {
MGCPWrapper* w = MGCPWrapper::find(ch,media);
if (w)
Debug(&splugin,DebugAll,"Wrapper %p found by CallEndpoint",w);
else {
w = MGCPWrapper::find(msg.getValue("rtpid"));
if (w)
Debug(&splugin,DebugAll,"Wrapper %p found by ID",w);
@ -882,9 +1335,13 @@ bool RtpHandler::received(Message& msg)
if (w)
return w->rtpMessage(msg);
const char* epId = msg.getValue("mgcp_endpoint",s_defaultEp);
if (!epId)
return false;
if (ch)
ch->clearEndpoint(media);
w = new MGCPWrapper(ch,media,msg);
w = new MGCPWrapper(ch,media,msg,epId);
if (!w->rtpMessage(msg))
return false;
if (ch && ch->getPeer())
@ -991,7 +1448,7 @@ void MGCPPlugin::initialize()
);
if (ep) {
ep->alias = sect->getValue("name",name);
if (s_defaultEp.null() || sect->getBoolValue("default"))
if (sect->getBoolValue("default",s_defaultEp.null()))
s_defaultEp = ep->toString();
}
else
@ -1003,7 +1460,8 @@ void MGCPPlugin::initialize()
Debug(this,DebugAll,"No gateways defined so module not initialized.");
break;
}
Debug(this,DebugNote,"Default remote endpoint: '%s'",s_defaultEp.c_str());
if (s_defaultEp)
Debug(this,DebugCall,"Default remote endpoint: '%s'",s_defaultEp.c_str());
int prio = cfg.getIntValue("general","priority",80);
if (prio > 0) {
Engine::install(new RtpHandler(prio));