int ooRemoveLogicalChannel(OOH323CallData *call, int ChannelNo)
{
OOLogicalChannel * temp = NULL, *prev=NULL;
if(!call->logicalChans)
{
OOTRACEERR4("ERROR:Remove Logical Channel - Channel %d not found "
"Empty channel List(%s, %s)\n", ChannelNo, call->callType,
call->callToken);
return OO_FAILED;
}
temp = call->logicalChans;
while(temp)
{
if(temp->channelNo == ChannelNo)
{
if(!prev) call->logicalChans = temp->next;
else prev->next = temp->next;
memFreePtr(call->pctxt, temp->chanCap);
memFreePtr(call->pctxt, temp);
OOTRACEDBGC4("Removed logical channel %d (%s, %s)\n", ChannelNo,
call->callType, call->callToken);
call->noOfLogicalChannels--;
return OO_OK;
}
prev = temp;
temp = temp->next;
}
OOTRACEERR4("ERROR:Remove Logical Channel - Channel %d not found "
"(%s, %s)\n", ChannelNo, call->callType, call->callToken);
return OO_FAILED;
}
int ooClearLogicalChannel(OOH323CallData *call, int channelNo)
{
OOLogicalChannel *pLogicalChannel = NULL;
ooH323EpCapability *epCap=NULL;
OOTRACEDBGC4("Clearing logical channel number %d. (%s, %s)\n", channelNo,
call->callType, call->callToken);
pLogicalChannel = ooFindLogicalChannelByLogicalChannelNo(call,channelNo);
do { if(!pLogicalChannel)
{
OOTRACEWARN4("Logical Channel %d doesn't exist, in clearLogicalChannel."
" (%s, %s)\n",
channelNo, call->callType, call->callToken);
return OO_OK;
}
epCap = (ooH323EpCapability*) pLogicalChannel->chanCap;
if(!strcmp(pLogicalChannel->dir, "receive"))
{
if(epCap->stopReceiveChannel)
{
epCap->stopReceiveChannel(call, pLogicalChannel);
OOTRACEINFO4("Stopped Receive channel %d (%s, %s)\n",
channelNo, call->callType, call->callToken);
}
else{
OOTRACEERR4("ERROR:No callback registered for stopReceiveChannel %d "
"(%s, %s)\n", channelNo, call->callType, call->callToken);
}
}
else
{
if(pLogicalChannel->state == OO_LOGICALCHAN_ESTABLISHED)
{
if(epCap->stopTransmitChannel)
{
epCap->stopTransmitChannel(call, pLogicalChannel);
OOTRACEINFO4("Stopped Transmit channel %d (%s, %s)\n",
channelNo, call->callType, call->callToken);
}
else{
OOTRACEERR4("ERROR:No callback registered for stopTransmitChannel"
" %d (%s, %s)\n", channelNo, call->callType,
call->callToken);
}
}
}
ooRemoveLogicalChannel(call, channelNo);/* TODO: efficiency - This causes re-search of
of logical channel in the list. Can be
easily improved.*/
} while ((pLogicalChannel = ooFindLogicalChannelByLogicalChannelNo(call,channelNo)));
return OO_OK;
}
OOLogicalChannel * ooFindLogicalChannelByOLC(OOH323CallData *call,
H245OpenLogicalChannel *olc)
{
H245DataType * psDataType=NULL;
H245H2250LogicalChannelParameters * pslcp=NULL;
OOTRACEDBGC4("ooFindLogicalChannel by olc %d (%s, %s)\n",
olc->forwardLogicalChannelNumber, call->callType, call->callToken);
if(olc->m.reverseLogicalChannelParametersPresent)
{
OOTRACEDBGC3("Finding receive channel (%s,%s)\n", call->callType,
call->callToken);
psDataType = &olc->reverseLogicalChannelParameters.dataType;
/* Only H2250LogicalChannelParameters are supported */
if(olc->reverseLogicalChannelParameters.multiplexParameters.t !=
T_H245OpenLogicalChannel_reverseLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters){
OOTRACEERR4("Error:Invalid olc %d received (%s, %s)\n",
olc->forwardLogicalChannelNumber, call->callType, call->callToken);
return NULL;
}
pslcp = olc->reverseLogicalChannelParameters.multiplexParameters.u.h2250LogicalChannelParameters;
return ooFindLogicalChannel(call, pslcp->sessionID, "receive", psDataType);
}
else{
OOTRACEDBGC3("Finding transmit channel (%s, %s)\n", call->callType,
call->callToken);
psDataType = &olc->forwardLogicalChannelParameters.dataType;
/* Only H2250LogicalChannelParameters are supported */
if(olc->forwardLogicalChannelParameters.multiplexParameters.t !=
T_H245OpenLogicalChannel_forwardLogicalChannelParameters_multiplexParameters_h2250LogicalChannelParameters)
{
OOTRACEERR4("Error:Invalid olc %d received (%s, %s)\n",
olc->forwardLogicalChannelNumber, call->callType, call->callToken);
return NULL;
}
pslcp = olc->forwardLogicalChannelParameters.multiplexParameters.u.h2250LogicalChannelParameters;
return ooFindLogicalChannel(call, pslcp->sessionID, "transmit", psDataType);
}
}
int ooLogAsn1Error(int stat, const char * fname, int lno)
{
OOTRACEERR4("Asn1Error: %d at %s:%d\n", stat, fname, lno);
return stat;
}
