struct DialogId *CreateFixedDialogId(char *callid, char *localTag, char *remoteTag)
{
struct DialogId *dialogid = CreateEmptyDialogId();
SetCallId(dialogid, callid);
SetLocalTag(dialogid, localTag);
SetRemoteTag(dialogid, remoteTag);
return dialogid;
}
void ExtractDialogId(struct DialogId *dialogid, MESSAGE *message)
{
SetCallId(dialogid, MessageGetCallId(message));
if (MessageGetType(message) == MESSAGE_TYPE_RESPONSE) {
SetLocalTag(dialogid, MessageGetFromTag(message));
SetRemoteTag(dialogid, MessageGetToTag(message));
} else {
SetRemoteTag(dialogid, MessageGetFromTag(message));
}
}
struct Transaction *DialogNewTransaction(struct Dialog *dialog, MESSAGE *message, int type)
{
struct DialogId *id = GetDialogId(dialog);
struct Transaction *t = AddTransaction(message, (struct TransactionUser *)dialog, type);
dialog->transaction = t;
if (type == TRANSACTION_TYPE_CLIENT_INVITE) {
SetLocalTag(id, MessageGetFromTag(message));
SetCallId(id, MessageGetCallId(message));
SetLocalSeqNumber(dialog, MessageGetCSeqNumber(message));
} else if (type == TRANSACTION_TYPE_SERVER_INVITE) {
SetRemoteTag(id, MessageGetFromTag(message));
SetCallId(id, MessageGetCallId(message));
ExtractRemoteTarget(dialog, message);
if (NotifyCm != NULL) {
NotifyCm(CALL_INCOMING, DialogGetUserAgent(dialog));
}
}
return t;
}
int CSipTransaction::Init( CSipMessage* request )
{
last_response = NULL;
your_instance = NULL;
static int itransactionid = 1;
CVia* topvia;
int i;
time_t now;
if (request == NULL)
return -1;
if (request->m_callid == NULL)
return -1;
if (request->m_callid->number == NULL)
return -1;
now = time(NULL);
birth_time = now;
transactionid = itransactionid;
itransactionid++;
topvia = (CVia*)request->m_listVias.GetAt(0);
if (topvia == NULL)
goto ti_error_1;
i = SetTopVia(topvia);
if (i != 0)
goto ti_error_1;
/* In some situation, some of those informtions might
be useless. Mostly, I prefer to keep them in all case
for backward compatibility. */
i = SetFrom(request->m_from);
if (i != 0)
goto ti_error_2;
i = SetTo(request->m_to);
if (i != 0)
goto ti_error_3;
i = SetCallId(request->m_callid);
if (i != 0)
goto ti_error_4;
i = SetCseq(request->m_seq);
if (i != 0)
goto ti_error_5;
/* RACE conditions can happen for server transactions */
/* (*transaction)->orig_request = request; */
this->orig_request = NULL;
(this)->transactionff = new CFifo;
if ((this)->transactionff == NULL)
goto ti_error_6;
return 0;
ti_error_6 : delete ((this)->cseq);
ti_error_5 : delete ((this)->callid);
ti_error_4 : delete ((this)->to);
ti_error_3 : delete ((this)->from);
ti_error_2 : delete ((this)->topvia);
ti_error_1 : delete (this);
return -1;
}