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Make capbilities be connection specific versus for the whole endpoint. Bug #4334

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5742 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.2-netsec
Jeremy McNamara 21 years ago
parent 9c83ec2f25
commit ec9ce8db9d
4 changed files with 126 additions and 91 deletions
Show Stats Download Patch File Download Diff File

34
channels/chan_h323.c
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@ -83,6 +83,7 @@ answer_call_cb on_answer_call;
progress_cb on_progress;
rfc2833_cb on_set_rfc2833_payload;
hangup_cb on_hangup;
setcapabilities_cb on_setcapabilities;
/* global debug flag */
int h323debug;
@ -1014,9 +1015,7 @@ static struct ast_channel *oh323_request(const char *type, int format, void *dat
else
memcpy(&pvt->options, &global_options, sizeof(pvt->options));
/* pass on our capabilites to the H.323 stack */
ast_mutex_lock(&caplock);
h323_set_capability(pvt->capability, pvt->dtmfmode);
/* Generate unique channel identifier */
snprintf(tmp1, sizeof(tmp1)-1, "%s-%u", host, ++unique);
tmp1[sizeof(tmp1)-1] = '\0';
@ -1511,6 +1510,26 @@ void set_dtmf_payload(unsigned call_reference, const char *token, int payload)
ast_log(LOG_DEBUG, "DTMF payload on %s set to %d\n", token, payload);
}
static void set_local_capabilities(unsigned call_reference, const char *token)
{
struct oh323_pvt *pvt;
int capability, dtmfmode;
if (h323debug)
ast_log(LOG_DEBUG, "Setting capabilities for connection %s\n", token);
pvt = find_call_locked(call_reference, token);
if (!pvt)
return;
capability = pvt->capability;
dtmfmode = pvt->dtmfmode;
ast_mutex_unlock(&pvt->lock);
h323_set_capabilities(token, capability, dtmfmode);
if (h323debug)
ast_log(LOG_DEBUG, "Capabilities for connection %s is set\n", token);
}
static void *do_monitor(void *data)
{
int res;
@ -2160,14 +2179,6 @@ int reload_config(void)
alias = alias->next;
}
/* Add our capabilities */
ast_mutex_lock(&caplock);
if (h323_set_capability(capability, dtmfmode)) {
ast_log(LOG_ERROR, "Capabilities failure, this is bad.\n");
ast_mutex_unlock(&caplock);
return -1;
}
ast_mutex_unlock(&caplock);
return 0;
}
@ -2383,7 +2394,8 @@ int load_module()
answer_call,
progress,
set_dtmf_payload,
hangup_connection);
hangup_connection,
set_local_capabilities);
/* start the h.323 listener */
if (h323_start_listener(h323_signalling_port, bindaddr)) {
ast_log(LOG_ERROR, "Unable to create H323 listener.\n");

171
channels/h323/ast_h323.cpp
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@ -282,7 +282,15 @@ H323Codec * AST_G729ACapability::CreateCodec(H323Codec::Direction direction) con
}
/** MyH323EndPoint
* The fullAddress parameter is used directly in the MakeCall method so
*/
MyH323EndPoint::MyH323EndPoint()
: H323EndPoint()
{
// Capabilities will be negotiated on per-connection basis
capabilities.RemoveAll();
}
/** The fullAddress parameter is used directly in the MakeCall method so
* the General form for the fullAddress argument is :
* [alias@][transport$]host[:port]
* default values: alias = the same value as host.
@ -359,11 +367,6 @@ void MyH323EndPoint::SetGateway(void)
terminalType = e_GatewayOnly;
}
H323Capabilities MyH323EndPoint::GetCapabilities(void)
{
return capabilities;
}
BOOL MyH323EndPoint::ClearCall(const PString & token, H323Connection::CallEndReason reason)
{
if (h323debug) {
@ -915,6 +918,12 @@ void MyH323Connection::OnSendCapabilitySet(H245_TerminalCapabilitySet & pdu)
}
}
void MyH323Connection::OnSetLocalCapabilities()
{
if (on_setcapabilities)
on_setcapabilities(GetCallReference(), (const char *)callToken);
}
BOOL MyH323Connection::OnReceivedCapabilitySet(const H323Capabilities & remoteCaps,
const H245_MultiplexCapability * muxCap,
H245_TerminalCapabilitySetReject & reject)
@ -963,6 +972,73 @@ BOOL MyH323Connection::OnStartLogicalChannel(H323Channel & channel)
return connectionState != ShuttingDownConnection;
}
void MyH323Connection::SetCapabilities(int cap, int dtmfMode)
{
int g711Frames = 20;
// int gsmFrames = 4;
PINDEX lastcap = -1; /* last common capability index */
#if 0
if (cap & AST_FORMAT_SPEEX) {
/* Not real sure if Asterisk acutally supports all
of the various different bit rates so add them
all and figure it out later*/
localCapabilities.SetCapability(0, 0, new SpeexNarrow2AudioCapability());
localCapabilities.SetCapability(0, 0, new SpeexNarrow3AudioCapability());
localCapabilities.SetCapability(0, 0, new SpeexNarrow4AudioCapability());
localCapabilities.SetCapability(0, 0, new SpeexNarrow5AudioCapability());
localCapabilities.SetCapability(0, 0, new SpeexNarrow6AudioCapability());
}
#endif
if (cap & AST_FORMAT_G729A) {
AST_G729ACapability *g729aCap;
AST_G729Capability *g729Cap;
lastcap = localCapabilities.SetCapability(0, 0, g729aCap = new AST_G729ACapability);
lastcap = localCapabilities.SetCapability(0, 0, g729Cap = new AST_G729Capability);
}
if (cap & AST_FORMAT_G723_1) {
H323_G7231Capability *g7231Cap;
lastcap = localCapabilities.SetCapability(0, 0, g7231Cap = new H323_G7231Capability);
}
#if 0
if (cap & AST_FORMAT_GSM) {
H323_GSM0610Capability *gsmCap;
lastcap = localCapabilities.SetCapability(0, 0, gsmCap = new H323_GSM0610Capability);
gsmCap->SetTxFramesInPacket(gsmFrames);
}
#endif
if (cap & AST_FORMAT_ULAW) {
H323_G711Capability *g711uCap;
lastcap = localCapabilities.SetCapability(0, 0, g711uCap = new H323_G711Capability(H323_G711Capability::muLaw));
g711uCap->SetTxFramesInPacket(g711Frames);
}
if (cap & AST_FORMAT_ALAW) {
H323_G711Capability *g711aCap;
lastcap = localCapabilities.SetCapability(0, 0, g711aCap = new H323_G711Capability(H323_G711Capability::ALaw));
g711aCap->SetTxFramesInPacket(g711Frames);
}
lastcap++;
lastcap = localCapabilities.SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::HookFlashH245));
lastcap++;
mode = dtmfMode;
if (dtmfMode == H323_DTMF_INBAND) {
localCapabilities.SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::SignalToneH245));
sendUserInputMode = SendUserInputAsTone;
} else {
localCapabilities.SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::SignalToneRFC2833));
sendUserInputMode = SendUserInputAsInlineRFC2833;
}
if (h323debug) {
cout << "Allowed Codecs:\n\t" << setprecision(2) << localCapabilities << endl;
}
}
/* MyH323_ExternalRTPChannel */
MyH323_ExternalRTPChannel::MyH323_ExternalRTPChannel(MyH323Connection & connection,
const H323Capability & capability,
@ -1106,7 +1182,8 @@ void h323_callback_register(setup_incoming_cb ifunc,
answer_call_cb acfunc,
progress_cb pgfunc,
rfc2833_cb dtmffunc,
hangup_cb hangupfunc)
hangup_cb hangupfunc,
setcapabilities_cb capabilityfunc)
{
on_incoming_call = ifunc;
on_outgoing_call = sfunc;
@ -1120,90 +1197,30 @@ void h323_callback_register(setup_incoming_cb ifunc,
on_progress = pgfunc;
on_set_rfc2833_payload = dtmffunc;
on_hangup = hangupfunc;
on_setcapabilities = capabilityfunc;
}
/**
* Add capability to the capability table of the end point.
*/
int h323_set_capability(int cap, int dtmfMode)
int h323_set_capabilities(const char *token, int cap, int dtmfMode)
{
H323Capabilities oldcaps;
PStringArray codecs;
int g711Frames = 20;
// int gsmFrames = 4;
PINDEX lastcap = -1; /* last common capability index */
MyH323Connection *conn;
if (!h323_end_point_exist()) {
cout << " ERROR: [h323_set_capablity] No Endpoint, this is bad" << endl;
return 1;
}
/* clean up old capabilities list before changing */
oldcaps = endPoint->GetCapabilities();
for (PINDEX i=0; i< oldcaps.GetSize(); i++) {
codecs.AppendString(oldcaps[i].GetFormatName());
}
endPoint->RemoveCapabilities(codecs);
#if 0
if (cap & AST_FORMAT_SPEEX) {
/* Not real sure if Asterisk acutally supports all
of the various different bit rates so add them
all and figure it out later*/
endPoint->SetCapability(0, 0, new SpeexNarrow2AudioCapability());
endPoint->SetCapability(0, 0, new SpeexNarrow3AudioCapability());
endPoint->SetCapability(0, 0, new SpeexNarrow4AudioCapability());
endPoint->SetCapability(0, 0, new SpeexNarrow5AudioCapability());
endPoint->SetCapability(0, 0, new SpeexNarrow6AudioCapability());
}
#endif
if (cap & AST_FORMAT_G729A) {
AST_G729ACapability *g729aCap;
AST_G729Capability *g729Cap;
lastcap = endPoint->SetCapability(0, 0, g729aCap = new AST_G729ACapability);
lastcap = endPoint->SetCapability(0, 0, g729Cap = new AST_G729Capability);
}
if (cap & AST_FORMAT_G723_1) {
H323_G7231Capability *g7231Cap;
lastcap = endPoint->SetCapability(0, 0, g7231Cap = new H323_G7231Capability);
}
#if 0
if (cap & AST_FORMAT_GSM) {
H323_GSM0610Capability *gsmCap;
lastcap = endPoint->SetCapability(0, 0, gsmCap = new H323_GSM0610Capability);
gsmCap->SetTxFramesInPacket(gsmFrames);
}
#endif
if (cap & AST_FORMAT_ULAW) {
H323_G711Capability *g711uCap;
lastcap = endPoint->SetCapability(0, 0, g711uCap = new H323_G711Capability(H323_G711Capability::muLaw));
g711uCap->SetTxFramesInPacket(g711Frames);
}
if (cap & AST_FORMAT_ALAW) {
H323_G711Capability *g711aCap;
lastcap = endPoint->SetCapability(0, 0, g711aCap = new H323_G711Capability(H323_G711Capability::ALaw));
g711aCap->SetTxFramesInPacket(g711Frames);
}
lastcap++;
lastcap = endPoint->SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::HookFlashH245));
lastcap++;
mode = dtmfMode;
if (dtmfMode == H323_DTMF_INBAND) {
endPoint->SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::SignalToneH245));
endPoint->SetSendUserInputMode(H323Connection::SendUserInputAsTone);
} else {
endPoint->SetCapability(0, lastcap, new H323_UserInputCapability(H323_UserInputCapability::SignalToneRFC2833));
endPoint->SetSendUserInputMode(H323Connection::SendUserInputAsInlineRFC2833);
PString myToken(token);
conn = (MyH323Connection *)endPoint->FindConnectionWithLock(myToken);
if (!conn) {
cout << " ERROR: [h323_set_capability] Unable to find connection " << token << endl;
return 1;
}
conn->SetCapabilities(cap, dtmfMode);
conn->Unlock();
if (h323debug) {
cout << "Allowed Codecs:\n\t" << setprecision(2) << endPoint->GetCapabilities() << endl;
}
return 0;
}

4
channels/h323/ast_h323.h
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@ -128,6 +128,7 @@ class MyH323EndPoint : public H323EndPoint {
PCLASSINFO(MyH323EndPoint, H323EndPoint);
public:
MyH323EndPoint();
int MakeCall(const PString &, PString &, unsigned int *, call_options_t *opts);
BOOL ClearCall(const PString &, H323Connection::CallEndReason reason);
BOOL ClearCall(const PString &);
@ -137,7 +138,6 @@ class MyH323EndPoint : public H323EndPoint {
void OnConnectionCleared(H323Connection &, const PString &);
H323Connection * CreateConnection(unsigned, void *);
void SendUserTone(const PString &, char);
H323Capabilities GetCapabilities(void);
BOOL OnConnectionForwarded(H323Connection &, const PString &, const H323SignalPDU &);
BOOL ForwardConnection(H323Connection &, const PString &, const H323SignalPDU &);
void SetEndpointTypeInfo( H225_EndpointType & info ) const;
@ -173,6 +173,8 @@ class MyH323Connection : public H323Connection {
void OnUserInputString(const PString &value);
BOOL OnReceivedProgress(const H323SignalPDU &);
void OnSendCapabilitySet(H245_TerminalCapabilitySet &);
void OnSetLocalCapabilities();
void SetCapabilities(int, int);
BOOL OnReceivedCapabilitySet(const H323Capabilities &, const H245_MultiplexCapability *,
H245_TerminalCapabilitySetReject &);
void SetCause(int _cause) { cause = _cause; };

8
channels/h323/chan_h323.h
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@ -169,6 +169,9 @@ extern rfc2833_cb on_set_rfc2833_payload;
typedef void (*hangup_cb)(unsigned, const char *, int);
extern hangup_cb on_hangup;
typedef void (*setcapabilities_cb)(unsigned, const char *);
extern setcapabilities_cb on_setcapabilities;
/* debug flag */
extern int h323debug;
@ -202,8 +205,9 @@ extern "C" {
answer_call_cb,
progress_cb,
rfc2833_cb,
hangup_cb);
int h323_set_capability(int, int);
hangup_cb,
setcapabilities_cb);
int h323_set_capabilities(const char *, int, int);
int h323_set_alias(struct oh323_alias *);
int h323_set_gk(int, char *, char *);
void h323_set_id(char *);

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