diff --git a/services/tunnelbroker/src/Amqp/AmqpManager.cpp b/services/tunnelbroker/src/Amqp/AmqpManager.cpp index 1dfe08a4a..e6a03cbe3 100644 --- a/services/tunnelbroker/src/Amqp/AmqpManager.cpp +++ b/services/tunnelbroker/src/Amqp/AmqpManager.cpp @@ -1,158 +1,155 @@ #include "AmqpManager.h" #include "ConfigManager.h" #include "Constants.h" #include "DeliveryBroker.h" #include "GlobalTools.h" #include #include #include #include namespace comm { namespace network { AmqpManager &AmqpManager::getInstance() { static AmqpManager instance; return instance; } void AmqpManager::init() { std::call_once(initOnceFlag, [&]() { std::thread amqpClientThread([&]() { this->connect(); }); amqpClientThread.detach(); }); } void AmqpManager::connectInternal() { const std::string amqpUri = config::ConfigManager::getInstance().getParameter( config::ConfigManager::OPTION_AMQP_URI); const std::string tunnelbrokerID = config::ConfigManager::getInstance().getParameter( config::ConfigManager::OPTION_TUNNELBROKER_ID); const std::string fanoutExchangeName = config::ConfigManager::getInstance().getParameter( config::ConfigManager::OPTION_AMQP_FANOUT_EXCHANGE); LOG(INFO) << "AMQP: Connecting to " << amqpUri; uv_loop_t *localUvLoop = uv_default_loop(); AMQP::LibUvHandler uvHandler(localUvLoop); AMQP::TcpConnection tcpConnection(&uvHandler, AMQP::Address(amqpUri)); this->amqpChannel = std::make_unique(&tcpConnection); this->amqpChannel->onReady([this]() { LOG(INFO) << "AMQP: Channel is ready"; this->amqpReady = true; }); this->amqpChannel->onError([this](const char *message) { LOG(ERROR) << "AMQP: channel error: " << message << ", will try to reconnect"; this->amqpReady = false; }); AMQP::Table arguments; arguments["x-message-ttl"] = (uint64_t)AMQP_MESSAGE_TTL; arguments["x-expires"] = (uint64_t)AMQP_QUEUE_TTL; this->amqpChannel->declareExchange(fanoutExchangeName, AMQP::fanout); this->amqpChannel->declareQueue(tunnelbrokerID, AMQP::durable, arguments) .onSuccess([this, tunnelbrokerID, fanoutExchangeName]( const std::string &name, uint32_t messagecount, uint32_t consumercount) { LOG(INFO) << "AMQP: Queue " << name << " created"; this->amqpChannel->bindQueue(fanoutExchangeName, tunnelbrokerID, "") .onError([this, tunnelbrokerID, fanoutExchangeName]( const char *message) { LOG(ERROR) << "AMQP: Failed to bind queue: " << tunnelbrokerID << " to exchange: " << fanoutExchangeName; }); this->amqpChannel->consume(tunnelbrokerID) .onReceived([](const AMQP::Message &message, uint64_t deliveryTag, bool redelivered) { try { AMQP::Table headers = message.headers(); const std::string payload(message.body(), message.bodySize()); const std::string messageID(headers[AMQP_HEADER_MESSAGEID]); const std::string toDeviceID(headers[AMQP_HEADER_TO_DEVICEID]); const std::string fromDeviceID( headers[AMQP_HEADER_FROM_DEVICEID]); DeliveryBroker::getInstance().push( messageID, deliveryTag, toDeviceID, fromDeviceID, payload); } catch (const std::exception &e) { LOG(ERROR) << "AMQP: Message parsing exception: " << e.what(); } }) .onError([](const char *message) { LOG(ERROR) << "AMQP: Error on message consume: " << message; }); }) .onError([](const char *message) { throw std::runtime_error( "AMQP: Queue creation error: " + std::string(message)); }); uv_run(localUvLoop, UV_RUN_DEFAULT); }; void AmqpManager::connect() { while (true) { int64_t currentTimestamp = tools::getCurrentTimestamp(); if (this->lastConnectionTimestamp && currentTimestamp - this->lastConnectionTimestamp < AMQP_SHORTEST_RECONNECTION_ATTEMPT_INTERVAL) { throw std::runtime_error( "AMQP reconnection attempt interval too short, tried to reconnect " "after " + std::to_string(currentTimestamp - this->lastConnectionTimestamp) + "ms, the shortest allowed interval is " + std::to_string(AMQP_SHORTEST_RECONNECTION_ATTEMPT_INTERVAL) + "ms"); } this->lastConnectionTimestamp = currentTimestamp; this->connectInternal(); } } bool AmqpManager::send(const database::MessageItem *message) { waitUntilReady(); try { const std::string messagePayload = message->getPayload(); AMQP::Envelope env(messagePayload.c_str(), messagePayload.size()); AMQP::Table headers; headers[AMQP_HEADER_MESSAGEID] = message->getMessageID(); headers[AMQP_HEADER_FROM_DEVICEID] = message->getFromDeviceID(); headers[AMQP_HEADER_TO_DEVICEID] = message->getToDeviceID(); // Set delivery mode to: Durable (2) env.setDeliveryMode(2); env.setHeaders(std::move(headers)); std::scoped_lock lock{this->channelMutex}; this->amqpChannel->publish( config::ConfigManager::getInstance().getParameter( config::ConfigManager::OPTION_AMQP_FANOUT_EXCHANGE), "", env); } catch (std::runtime_error &e) { LOG(ERROR) << "AMQP: Error while publishing message: " << e.what(); return false; } return true; }; void AmqpManager::ack(uint64_t deliveryTag) { waitUntilReady(); std::scoped_lock lock{this->channelMutex}; this->amqpChannel->ack(deliveryTag); } void AmqpManager::waitUntilReady() { - if (this->amqpReady) { - return; - } while (!this->amqpReady) { LOG(INFO) << "AMQP: Connection is not ready, waiting"; std::this_thread::sleep_for( std::chrono::milliseconds(AMQP_SHORTEST_RECONNECTION_ATTEMPT_INTERVAL)); } } } // namespace network } // namespace comm