Method startAndSend

src/jrd/jrd.cpp:4496–4552

void JRequest::startAndSend(CheckStatusWrapper* user_status, ITransaction* tra, int level,
	unsigned int msg_type, unsigned int msg_length, const void* msg)
{
/**************************************
 *
 *	g d s _ $ s t a r t _ a n d _ s e n d
 *
 **************************************
 *
 * Functional description
 *	Get a record from the host program.
 *
 **************************************/
	try
	{
		JTransaction* const jt = getAttachment()->getTransactionInterface(user_status, tra);
		EngineContextHolder tdbb(user_status, this, FB_FUNCTION);

		jrd_tra* transaction = jt->getHandle();
		validateHandle(tdbb, transaction);
		check_database(tdbb);

		Request* request = getHandle()->getRequest(tdbb, level);

		try
		{
			TraceBlrExecute trace(tdbb, request);
			try
			{
				JRD_start_and_send(tdbb, request, transaction, msg_type, msg_length, msg);

				// Notify Trace API about blr execution
				trace.finish(ITracePlugin::RESULT_SUCCESS);
			}
			catch (const Exception& ex)
			{
				const ISC_STATUS exc = transliterateException(tdbb, ex, user_status, "JRequest::startAndSend");
				const bool no_priv = (exc == isc_login || exc == isc_no_priv);
				trace.finish(no_priv ? ITracePlugin::RESULT_UNAUTHORIZED : ITracePlugin::RESULT_FAILED);

				return;
			}
		}
		catch (const Exception& ex)
		{
			transliterateException(tdbb, ex, user_status, "JRequest::startAndSend");
			return;
		}
	}
	catch (const Exception& ex)
	{
		ex.stuffException(user_status);
		return;
	}

	successful_completion(user_status);
}