Esempio n. 1
0
// virtual
LLIOPipe::EStatus LLSDRPCServer::process_impl(
	const LLChannelDescriptors& channels,
	buffer_ptr_t& buffer,
	bool& eos,
	LLSD& context,
	LLPumpIO* pump)
{
	LLFastTimer t(FTM_PROCESS_SDRPC_SERVER);
	PUMP_DEBUG;
	LLMemType m1(LLMemType::MTYPE_IO_SD_SERVER);
//	lldebugs << "LLSDRPCServer::process_impl" << llendl;
	// Once we have all the data, We need to read the sd on
	// the the in channel, and respond on  the out channel
	if(!eos) return STATUS_BREAK;
	if(!pump || !buffer) return STATUS_PRECONDITION_NOT_MET;

	std::string method_name;
	LLIOPipe::EStatus status = STATUS_DONE;

	switch(mState)
	{
	case STATE_DEFERRED:
		PUMP_DEBUG;
		if(ESDRPCS_DONE != deferredResponse(channels, buffer.get()))
		{
			buildFault(
				channels,
				buffer.get(),
				FAULT_GENERIC,
				"deferred response failed.");
		}
		mState = STATE_DONE;
		return STATUS_DONE;

	case STATE_DONE:
//		lldebugs << "STATE_DONE" << llendl;
		break;
	case STATE_CALLBACK:
//		lldebugs << "STATE_CALLBACK" << llendl;
		PUMP_DEBUG;
		method_name = mRequest[LLSDRPC_METHOD_SD_NAME].asString();
		if(!method_name.empty() && mRequest.has(LLSDRPC_PARAMETER_SD_NAME))
		{
			if(ESDRPCS_DONE != callbackMethod(
				   method_name,
				   mRequest[LLSDRPC_PARAMETER_SD_NAME],
				   channels,
				   buffer.get()))
			{
				buildFault(
					channels,
					buffer.get(),
					FAULT_GENERIC,
					"Callback method call failed.");
			}
		}
		else
		{
			// this should never happen, since we should not be in
			// this state unless we originally found a method and
			// params during the first call to process.
			buildFault(
				channels,
				buffer.get(),
				FAULT_GENERIC,
				"Invalid LLSDRPC sever state - callback without method.");
		}
		pump->clearLock(mLock);
		mLock = 0;
		mState = STATE_DONE;
		break;
	case STATE_NONE:
//		lldebugs << "STATE_NONE" << llendl;
	default:
	{
		// First time we got here - process the SD request, and call
		// the method.
		PUMP_DEBUG;
		LLBufferStream istr(channels, buffer.get());
		mRequest.clear();
		LLSDSerialize::fromNotation(
			mRequest,
			istr,
			buffer->count(channels.in()));

		// { 'method':'...', 'parameter': ... }
		method_name = mRequest[LLSDRPC_METHOD_SD_NAME].asString();
		if(!method_name.empty() && mRequest.has(LLSDRPC_PARAMETER_SD_NAME))
		{
			ESDRPCSStatus rv = callMethod(
				method_name,
				mRequest[LLSDRPC_PARAMETER_SD_NAME],
				channels,
				buffer.get());
			switch(rv)
			{
			case ESDRPCS_DEFERRED:
				mPump = pump;
				mLock = pump->setLock();
				mState = STATE_DEFERRED;
				status = STATUS_BREAK;
				break;

			case ESDRPCS_CALLBACK:
			{
				mState = STATE_CALLBACK;
				LLPumpIO::LLLinkInfo link;
				link.mPipe = LLIOPipe::ptr_t(this);
				link.mChannels = channels;
				LLPumpIO::links_t links;
				links.push_back(link);
				pump->respond(links, buffer, context);
				mLock = pump->setLock();
				status = STATUS_BREAK;
				break;
			}
			case ESDRPCS_DONE:
				mState = STATE_DONE;
				break;
			case ESDRPCS_ERROR:
			default:
				buildFault(
					channels,
					buffer.get(),
					FAULT_GENERIC,
					"Method call failed.");
				break;
			}
		}
		else
		{
			// send a fault
			buildFault(
				channels,
				buffer.get(),
				FAULT_GENERIC,
				"Unable to find method and parameter in request.");
		}
		break;
	}
	}

	PUMP_DEBUG;
	return status;
}
int TMessage::operator()(TParam1 param1, TParam2 param2)
{
	callbackMethod(param1, param2);
}