int ooAddMediaInfo(OOH323CallData *call, OOMediaInfo mediaInfo)
{
OOMediaInfo *newMediaInfo=NULL;
if(!call)
{
OOTRACEERR3("Error:Invalid 'call' param for ooAddMediaInfo.(%s, %s)\n",
call->callType, call->callToken);
return OO_FAILED;
}
newMediaInfo = (OOMediaInfo*) memAlloc(call->pctxt, sizeof(OOMediaInfo));
if(!newMediaInfo)
{
OOTRACEERR3("Error:Memory - ooAddMediaInfo - newMediaInfo. "
"(%s, %s)\n", call->callType, call->callToken);
return OO_FAILED;
}
memcpy (newMediaInfo, &mediaInfo, sizeof(OOMediaInfo));
OOTRACEDBGC4("Configured mediainfo for cap %s (%s, %s)\n",
ooGetCapTypeText(mediaInfo.cap),
call->callType, call->callToken);
if(!call->mediaInfo) {
newMediaInfo->next = NULL;
call->mediaInfo = newMediaInfo;
}
else {
newMediaInfo->next = call->mediaInfo;
call->mediaInfo = newMediaInfo;
}
return OO_OK;
}
int ooCallAddAlias
(OOH323CallData *call, int aliasType, const char *value, OOBOOL local)
{
ooAliases * psNewAlias=NULL;
psNewAlias = (ooAliases*)memAlloc(call->pctxt, sizeof(ooAliases));
if(!psNewAlias)
{
OOTRACEERR3("Error:Memory - ooCallAddAlias - psNewAlias"
"(%s, %s)\n", call->callType, call->callToken);
return OO_FAILED;
}
psNewAlias->type = aliasType;
psNewAlias->value = (char*) memAlloc(call->pctxt, strlen(value)+1);
if(!psNewAlias->value)
{
OOTRACEERR3("Error:Memory - ooCallAddAlias - psNewAlias->value"
" (%s, %s)\n", call->callType, call->callToken);
memFreePtr(call->pctxt, psNewAlias);
return OO_FAILED;
}
strcpy(psNewAlias->value, value);
if(local)
{
psNewAlias->next = call->ourAliases;
call->ourAliases = psNewAlias;
}
else {
psNewAlias->next = call->remoteAliases;
call->remoteAliases = psNewAlias;
}
OOTRACEDBGC5("Added %s alias %s to call. (%s, %s)\n",
local?"local":"remote", value, call->callType, call->callToken);
return OO_OK;
}
int ooCallSetCalledPartyNumber(OOH323CallData *call, const char *number)
{
if(call->calledPartyNumber)
memFreePtr(call->pctxt, call->calledPartyNumber);
call->calledPartyNumber = (char*) memAlloc(call->pctxt, strlen(number)+1);
if(call->calledPartyNumber)
{
strcpy(call->calledPartyNumber, number);
}
else{
OOTRACEERR3("Error:Memory - ooCallSetCalledPartyNumber - "
"calledPartyNumber.(%s, %s)\n", call->callType,
call->callToken);
return OO_FAILED;
}
return OO_OK;
}
OOLogicalChannel* ooFindLogicalChannelByLogicalChannelNo(OOH323CallData *call,
int ChannelNo)
{
OOLogicalChannel *pLogicalChannel=NULL;
if(!call->logicalChans)
{
OOTRACEERR3("ERROR: No Open LogicalChannels - Failed "
"FindLogicalChannelByChannelNo (%s, %s\n", call->callType,
call->callToken);
return NULL;
}
pLogicalChannel = call->logicalChans;
while(pLogicalChannel)
{
if(pLogicalChannel->channelNo == ChannelNo)
break;
else
pLogicalChannel = pLogicalChannel->next;
}
return pLogicalChannel;
}
int ooCallSetCallingPartyNumber(OOH323CallData *call, const char *number)
{
if(call->callingPartyNumber)
memFreePtr(call->pctxt, call->callingPartyNumber);
call->callingPartyNumber = (char*) memAlloc(call->pctxt, strlen(number)+1);
if(call->callingPartyNumber)
{
strcpy(call->callingPartyNumber, number);
}
else{
OOTRACEERR3("Error:Memory - ooCallSetCallingPartyNumber - "
"callingPartyNumber.(%s, %s)\n", call->callType,
call->callToken);
return OO_FAILED;
}
/* Set dialed digits alias */
/* if(!strcmp(call->callType, "outgoing"))
{
ooCallAddAliasDialedDigits(call, number);
}*/
return OO_OK;
}
OOLogicalChannel* ooAddNewLogicalChannel(OOH323CallData *call, int channelNo,
int sessionID, char *dir,
ooH323EpCapability *epCap)
{
OOLogicalChannel *pNewChannel=NULL, *pChannel=NULL;
OOMediaInfo *pMediaInfo = NULL;
OOTRACEDBGC5("Adding new media channel for cap %d dir %s (%s, %s)\n",
epCap->cap, dir, call->callType, call->callToken);
/* Create a new logical channel entry */
pNewChannel = (OOLogicalChannel*)memAlloc(call->pctxt,
sizeof(OOLogicalChannel));
if(!pNewChannel)
{
OOTRACEERR3("ERROR:Memory - ooAddNewLogicalChannel - pNewChannel "
"(%s, %s)\n", call->callType, call->callToken);
return NULL;
}
memset(pNewChannel, 0, sizeof(OOLogicalChannel));
pNewChannel->channelNo = channelNo;
pNewChannel->sessionID = sessionID;
pNewChannel->state = OO_LOGICALCHAN_IDLE;
pNewChannel->type = epCap->capType;
/* strcpy(pNewChannel->type, type);*/
strcpy(pNewChannel->dir, dir);
pNewChannel->chanCap = epCap;
OOTRACEDBGC4("Adding new channel with cap %d (%s, %s)\n", epCap->cap,
call->callType, call->callToken);
/* As per standards, media control port should be same for all
proposed channels with same session ID. However, most applications
use same media port for transmit and receive of audio streams. Infact,
testing of OpenH323 based asterisk assumed that same ports are used.
Hence we first search for existing media ports for same session and use
them. This should take care of all cases.
*/
if(call->mediaInfo)
{
pMediaInfo = call->mediaInfo;
while(pMediaInfo)
{
if(!strcmp(pMediaInfo->dir, dir) &&
(pMediaInfo->cap == epCap->cap))
{
break;
}
pMediaInfo = pMediaInfo->next;
}
}
if(pMediaInfo)
{
OOTRACEDBGC3("Using configured media info (%s, %s)\n", call->callType,
call->callToken);
pNewChannel->localRtpPort = pMediaInfo->lMediaPort;
pNewChannel->localRtcpPort = pMediaInfo->lMediaCntrlPort;
/* If user application has not specified a specific ip and is using
multihomed mode, substitute appropriate ip.
*/
if(!strcmp(pMediaInfo->lMediaIP, "0.0.0.0"))
strcpy(pNewChannel->localIP, call->localIP);
else
strcpy(pNewChannel->localIP, pMediaInfo->lMediaIP);
}
else{
OOTRACEDBGC3("Using default media info (%s, %s)\n", call->callType,
call->callToken);
pNewChannel->localRtpPort = ooGetNextPort (OORTP);
/* Ensures that RTP port is an even one */
if((pNewChannel->localRtpPort & 1) == 1)
pNewChannel->localRtpPort = ooGetNextPort (OORTP);
pNewChannel->localRtcpPort = ooGetNextPort (OORTP);
strcpy(pNewChannel->localIP, call->localIP);
}
/* Add new channel to the list */
pNewChannel->next = NULL;
if(!call->logicalChans) {
call->logicalChans = pNewChannel;
}
else{
pChannel = call->logicalChans;
while(pChannel->next) pChannel = pChannel->next;
pChannel->next = pNewChannel;
}
/* increment logical channels */
call->noOfLogicalChannels++;
OOTRACEINFO3("Created new logical channel entry (%s, %s)\n", call->callType,
call->callToken);
return pNewChannel;
}
int ooLoadSndRTPPlugin(struct ooAppContext* context, char * name)
{
media = 0;
/* Load the plugin library */
#ifdef _WIN32
media = LoadLibrary(name);
#else
media = dlopen(name, RTLD_NOW|RTLD_GLOBAL);
#endif
if(media == 0)
{
OOTRACEERR3(context, "ERROR:Failed to load plug-in library %s", name);
return OO_FAILED;
}
/* Retrieve addreses of the plugin interface functions */
#ifdef _WIN32
FuncPtr_InitializePlugin = (MediaAPI_InitializePlugin) GetProcAddress(media,
"ooInitializePlugin");
#else
FuncPtr_InitializePlugin = (MediaAPI_InitializePlugin) dlsym(media,
"ooInitializePlugin");
#endif
if(FuncPtr_InitializePlugin == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooInitializePlugin");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_CreateTxRTPChan = (MediaAPI_CreateTxRTPChan) GetProcAddress(media,
"ooCreateTransmitRTPChannel");
#else
FuncPtr_CreateTxRTPChan = (MediaAPI_CreateTxRTPChan) dlsym(media,
"ooCreateTransmitRTPChannel");
#endif
if(FuncPtr_CreateTxRTPChan == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooCreateTransmitRTPChannel");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_CloseTxRTPChan = (MediaAPI_CloseTxRTPChan) GetProcAddress(media,
"ooCloseTransmitRTPChannel");
#else
FuncPtr_CloseTxRTPChan = (MediaAPI_CloseTxRTPChan) dlsym(media,
"ooCloseTransmitRTPChannel");
#endif
if(FuncPtr_CloseTxRTPChan == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooCloseTransmitRTPChannel");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_CreateRecvRTPChan = (MediaAPI_CreateRecvRTPChan) GetProcAddress
(media, "ooCreateReceiveRTPChannel");
#else
FuncPtr_CreateRecvRTPChan = (MediaAPI_CreateRecvRTPChan) dlsym(media,
"ooCreateReceiveRTPChannel");
#endif
if(FuncPtr_CreateRecvRTPChan == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooCreateReceiveRTPChannel");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_CloseRecvRTPChan = (MediaAPI_CloseRecvRTPChan)GetProcAddress(media,
"ooCloseReceiveRTPChannel");
#else
FuncPtr_CloseRecvRTPChan = (MediaAPI_CloseRecvRTPChan) dlsym(media,
"ooCloseReceiveRTPChannel");
#endif
if(FuncPtr_CloseRecvRTPChan == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooCloseReceiveRTPChannel");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_StartTxWaveFile = (MediaAPI_StartTxWaveFile) GetProcAddress(media,
"ooStartTransmitWaveFile");
#else
FuncPtr_StartTxWaveFile = (MediaAPI_StartTxWaveFile) dlsym(media,
"ooStartTransmitWaveFile");
#endif
if(FuncPtr_StartTxWaveFile == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooStartTransmitWaveFile");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_StopTxWaveFile = (MediaAPI_StopTxWaveFile) GetProcAddress(media,
"ooStopTransmitWaveFile");
#else
FuncPtr_StopTxWaveFile = (MediaAPI_StopTxWaveFile) dlsym(media,
"ooStopTransmitWaveFile");
#endif
if(FuncPtr_StopTxWaveFile == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooStopTransmitWaveFile");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_StartTxMic = (MediaAPI_StartTxMic) GetProcAddress(media,
"ooStartTransmitMic");
#else
FuncPtr_StartTxMic = (MediaAPI_StartTxMic) dlsym(media,
"ooStartTransmitMic");
#endif
if(FuncPtr_StartTxMic == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooStartTransmitMic");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_StopTxMic = (MediaAPI_StopTxMic) GetProcAddress(media,
"ooStopTransmitMic");
#else
FuncPtr_StopTxMic = (MediaAPI_StopTxMic) dlsym(media,
"ooStopTransmitMic");
#endif
if(FuncPtr_StopTxMic == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooStopTransmitMic");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_StartRecvAndPlayback =(MediaAPI_StartRecvAndPlayback)GetProcAddress
(media, "ooStartReceiveAudioAndPlayback");
#else
FuncPtr_StartRecvAndPlayback = (MediaAPI_StartRecvAndPlayback) dlsym(media,
"ooStartReceiveAudioAndPlayback");
#endif
if(FuncPtr_StartRecvAndPlayback == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooStartReceiveAudioAndPlayback");
return OO_FAILED;
}
#ifdef _WIN32
FuncPtr_StopRecvAndPlayback = (MediaAPI_StopRecvAndPlayback) GetProcAddress
(media, "ooStopReceiveAudioAndPlayback");
#else
FuncPtr_StopRecvAndPlayback = (MediaAPI_StopRecvAndPlayback) dlsym(media,
"ooStopReceiveAudioAndPlayback");
#endif
if(FuncPtr_StopRecvAndPlayback == 0)
{
OOTRACEERR2(context, "ERROR: Failed to retrieve the address of "
"ooStopRecvAndPlayback");
return OO_FAILED;
}
/* Initialize the plugin */
FuncPtr_InitializePlugin();
return OO_OK;
}
OOH323CallData* ooCreateCall(char* type, char*callToken)
{
OOH323CallData *call=NULL;
OOCTXT *pctxt=NULL;
pctxt = newContext();
if(!pctxt)
{
OOTRACEERR1("ERROR:Failed to create OOCTXT for new call\n");
return NULL;
}
call = (OOH323CallData*)memAlloc(pctxt, sizeof(OOH323CallData));
if(!call)
{
OOTRACEERR1("ERROR:Memory - ooCreateCall - call\n");
return NULL;
}
/* memset(call, 0, sizeof(OOH323CallData));*/
call->pctxt = pctxt;
call->callMode = gH323ep.callMode;
sprintf(call->callToken, "%s", callToken);
sprintf(call->callType, "%s", type);
call->callReference = 0;
if(gH323ep.callerid) {
strncpy(call->ourCallerId, gH323ep.callerid, sizeof(call->ourCallerId)-1);
call->ourCallerId[sizeof(call->ourCallerId)-1] = '\0';
}
else {
call->ourCallerId[0] = '\0';
}
memset(&call->callIdentifier, 0, sizeof(H225CallIdentifier));
memset(&call->confIdentifier, 0, sizeof(H225ConferenceIdentifier));
call->flags = 0;
if (OO_TESTFLAG(gH323ep.flags, OO_M_TUNNELING))
OO_SETFLAG (call->flags, OO_M_TUNNELING);
if(gH323ep.gkClient)
{
if(OO_TESTFLAG(gH323ep.flags, OO_M_GKROUTED))
{
OO_SETFLAG(call->flags, OO_M_GKROUTED);
}
}
if (OO_TESTFLAG(gH323ep.flags, OO_M_FASTSTART))
OO_SETFLAG (call->flags, OO_M_FASTSTART);
if (OO_TESTFLAG(gH323ep.flags, OO_M_MEDIAWAITFORCONN))
OO_SETFLAG (call->flags, OO_M_MEDIAWAITFORCONN);
call->callState = OO_CALL_CREATED;
call->callEndReason = OO_REASON_UNKNOWN;
call->pCallFwdData = NULL;
if(!strcmp(call->callType, "incoming"))
{
call->callingPartyNumber = NULL;
}
else{
if(ooUtilsIsStrEmpty(gH323ep.callingPartyNumber))
{
call->callingPartyNumber = NULL;
}
else{
call->callingPartyNumber = (char*) memAlloc(call->pctxt,
strlen(gH323ep.callingPartyNumber)+1);
if(call->callingPartyNumber)
{
strcpy(call->callingPartyNumber, gH323ep.callingPartyNumber);
}
else{
OOTRACEERR3("Error:Memory - ooCreateCall - callingPartyNumber"
".(%s, %s)\n", call->callType, call->callToken);
freeContext(pctxt);
return NULL;
}
}
}
call->calledPartyNumber = NULL;
call->h245ConnectionAttempts = 0;
call->h245SessionState = OO_H245SESSION_IDLE;
call->dtmfmode = gH323ep.dtmfmode;
call->mediaInfo = NULL;
strcpy(call->localIP, gH323ep.signallingIP);
call->pH225Channel = NULL;
call->pH245Channel = NULL;
call->h245listener = NULL;
call->h245listenport = NULL;
call->remoteIP[0] = '\0';
call->remotePort = 0;
call->remoteH245Port = 0;
call->remoteDisplayName = NULL;
call->remoteAliases = NULL;
call->ourAliases = NULL;
call->masterSlaveState = OO_MasterSlave_Idle;
call->statusDeterminationNumber = 0;
call->localTermCapState = OO_LocalTermCapExchange_Idle;
call->remoteTermCapState = OO_RemoteTermCapExchange_Idle;
call->ourCaps = NULL;
call->remoteCaps = NULL;
call->jointCaps = NULL;
dListInit(&call->remoteFastStartOLCs);
call->remoteTermCapSeqNo =0;
call->localTermCapSeqNo = 0;
memcpy(&call->capPrefs, &gH323ep.capPrefs, sizeof(OOCapPrefs));
call->logicalChans = NULL;
call->noOfLogicalChannels = 0;
call->logicalChanNoBase = 1001;
call->logicalChanNoMax = 1100;
call->logicalChanNoCur = 1001;
call->nextSessionID = 4; /* 1,2,3 are reserved for audio, video and data */
dListInit(&call->timerList);
call->msdRetries = 0;
call->pFastStartRes = NULL;
call->usrData = NULL;
OOTRACEINFO3("Created a new call (%s, %s)\n", call->callType,
call->callToken);
/* Add new call to calllist */
ooAddCallToList (call);
if(gH323ep.h323Callbacks.onNewCallCreated)
gH323ep.h323Callbacks.onNewCallCreated(call);
return call;
}
int ooCleanCall(OOH323CallData *call)
{
OOCTXT *pctxt;
OOTRACEWARN4 ("Cleaning Call (%s, %s)- reason:%s\n",
call->callType, call->callToken,
ooGetReasonCodeText (call->callEndReason));
/* First clean all the logical channels, if not already cleaned. */
if(call->logicalChans)
ooClearAllLogicalChannels(call);
/* Close H.245 connection, if not already closed */
if(call->h245SessionState != OO_H245SESSION_CLOSED)
ooCloseH245Connection(call);
else{
if(call->pH245Channel && call->pH245Channel->outQueue.count > 0)
{
dListFreeAll(call->pctxt, &(call->pH245Channel->outQueue));
memFreePtr(call->pctxt, call->pH245Channel);
}
}
/* Close H.245 listener, if not already closed */
if(call->h245listener)
{
ooCloseH245Listener(call);
}
/* Close H225 connection, if not already closed. */
if (0 != call->pH225Channel && 0 != call->pH225Channel->sock)
{
ooCloseH225Connection(call);
}
/* Clean timers */
if(call->timerList.count > 0)
{
dListFreeAll(call->pctxt, &(call->timerList));
}
if(gH323ep.gkClient && !OO_TESTFLAG(call->flags, OO_M_DISABLEGK))
{
ooGkClientCleanCall(gH323ep.gkClient, call);
}
ooRemoveCallFromList (call);
OOTRACEINFO3("Removed call (%s, %s) from list\n", call->callType,
call->callToken);
if(call->pCallFwdData && call->pCallFwdData->fwdedByRemote)
{
if(gH323ep.h323Callbacks.onCallForwarded)
gH323ep.h323Callbacks.onCallForwarded(call);
if(ooH323HandleCallFwdRequest(call)!= OO_OK)
{
OOTRACEERR3("Error:Failed to forward call (%s, %s)\n", call->callType,
call->callToken);
}
}
else {
if(gH323ep.h323Callbacks.onCallCleared)
gH323ep.h323Callbacks.onCallCleared(call);
}
pctxt = call->pctxt;
freeContext(pctxt);
ASN1CRTFREE0(pctxt);
return OO_OK;
}