C++ TransactionEntry::messageType方法代码示例

//.........这里部分代码省略.........
			// Delete the bogus FIFO.
			mSIPMap.remove(callIDNum);
			return false;
		}
		// There is transaction already.  Send trying, if appropriate.
		if (serviceType!=L3CMServiceType::MobileTerminatedShortMessage) transaction->MTCSendTrying();
		// And if no channel is established yet, page again.
		if (!chan) {
			LOG(INFO) << "repeated SIP INVITE/MESSAGE, repaging for transaction " << *transaction; 
			gBTS.pager().addID(mobileID,requiredChannel,*transaction);
		}
		return false;
	}

	// So we will need a new channel.
	// Check gBTS for channel availability.
	if (!chan && !channelAvailable) {
		// FIXME -- Send 503 "Service Unavailable" response on SIP interface.
		// Don't forget the retry-after header.
		LOG(NOTICE) << "MTC CONGESTION, no " << requiredChannel << " availble for assignment";
		return false;
	}
	if (chan)  { LOG(INFO) << "using existing channel " << chan->descriptiveString(); }
	else { LOG(INFO) << "set up MTC paging for channel=" << requiredChannel; }


	// Add an entry to the SIP Map to route inbound SIP messages.
	addCall(callIDNum);
	LOG(DEBUG) << "callIDNum " << callIDNum << " IMSI " << IMSI;

	// Get the caller ID if it's available.
	const char *callerID = "";
	const char *callerHost = "";
	osip_from_t *from = osip_message_get_from(msg);
	if (from) {
		osip_uri_t* url = osip_contact_get_url(from);
		if (url) {
			if (url->username) callerID = url->username;
			if (url->host) callerHost = url->host;
		}
	} else {
		LOG(NOTICE) << "INVITE with no From: username for " << mobileID;
	}
	LOG(DEBUG) << "callerID " << callerID << "@" << callerHost;


	// Build the transaction table entry.
	// This constructor sets TI automatically for an MT transaction.
	TransactionEntry *transaction = new TransactionEntry(proxy.c_str(),mobileID,chan,serviceType,callerID);
	// FIXME -- These parameters should be arguments to the constructor above.
	transaction->SIPUser(callIDNum,IMSI,callerID,callerHost);
	transaction->saveINVITE(msg,false);
	// Tell the sender we are trying.
	if (serviceType!=L3CMServiceType::MobileTerminatedShortMessage) transaction->MTCSendTrying();

	// SMS?  Get the text message body to deliver.
	if (serviceType == L3CMServiceType::MobileTerminatedShortMessage) {
		osip_body_t *body;
		osip_content_type_t *contentType;
		osip_message_get_body(msg,0,&body);
		contentType = osip_message_get_content_type(msg);
		const char *text = NULL;
		char *type = NULL;
		if (body) text = body->body;
		if (text) transaction->message(text, body->length);
		else LOG(NOTICE) << "MTSMS incoming MESSAGE method with no message body for " << mobileID;
		/* Ok, so osip does some funny stuff here. The MIME type is split into type and subType.
			Basically, text/plain becomes type=text, subType=plain. We need to put those together...
		*/
		if (contentType) {
			type = (char *)malloc(strlen(contentType->type)+strlen(contentType->subtype)+2);
		}
		if (type) {
			strcpy(type,contentType->type);
			strcat(type,"/");
			strcat(type,contentType->subtype);
			transaction->messageType(type);
			free(type);
		}
		else LOG(NOTICE) << "MTSMS incoming MESSAGE method with no content type (or memory error) for " << mobileID;
	}

	LOG(INFO) << "MTC MTSMS make transaction and add to transaction table: "<< *transaction;
	gTransactionTable.add(transaction); 

	// If there's an existing channel, skip the paging step.
	if (!chan) {
		// Add to paging list.
		LOG(DEBUG) << "MTC MTSMS new SIP invite, initial paging for mobile ID " << mobileID;
		gBTS.pager().addID(mobileID,requiredChannel,*transaction);	
	} else {
		// Add a transaction to an existing channel.
		chan->addTransaction(transaction);
		// FIXME -- We need to write something into the channel to trigger the new transaction.
		// We need to send a message into the chan's dispatch loop,
		// becasue we can't block this thread to run the transaction.
	}

	return true;
}