void receive(int id) { Channel::ptr_t channel; channel = Channel::Create("192.168.8.102"); std::string e_name = "tieto-chatroom"; //preparation channel->DeclareExchange(e_name, Channel::EXCHANGE_TYPE_FANOUT); std::string q_name = channel->DeclareQueue("", false, true, false); channel->BindQueue(q_name, e_name, "chat"); channel->BasicConsume(q_name, ""); Envelope::ptr_t env; while (true) { if (channel->BasicConsumeMessage(env, -1)) { std::cout << "Received by " << id << ": " << env->Message()->Body() << " [" << env->Exchange() << "]" << std::endl; } else { std::cout << "queue empty" << std::endl; break; } } }
set<uint> ServiceClient::receive(const set<uint>& ids, const uint& timeout) { using namespace chrono; auto end = high_resolution_clock::now() + milliseconds(timeout); set<uint> received; // check if we have not received the reply already for (auto& id : ids) { auto iterator = replies.find(id); if (iterator != replies.end()) { received.insert(id); } } if (received.size() == ids.size()) { return received; // all packets arrived, return } while (1) { Envelope::ptr_t envelope; BasicMessage::ptr_t message; do { auto now = high_resolution_clock::now(); int delta = duration_cast<milliseconds>(end-now).count(); if (delta <= 0) { return received; // we are out of time already, leave! } bool newmsg = channel->BasicConsumeMessage(envelope, delta); if (newmsg == false) { return received; // timeout reached and nothing was received } message = envelope->Message(); } while (message->ContentType() != "application/msgpack" || message->CorrelationIdIsSet() == false); uint id = stoi(message->CorrelationId()); replies.emplace(id, message); auto iterator = ids.find(id); if (iterator != ids.end()) { // we were waiting for this message received.insert(id); if (received.size() == ids.size()) { return received; // all packets arrived, return } } } }
int main() { const std::string EXCHANGE_NAME = "SimpleAmqpClientEnvelopeTest"; const std::string ROUTING_KEY = "SACRoutingKey"; const std::string CONSUMER_TAG = "SACConsumerTag"; try { Channel::ptr_t channel = Channel::Create(); channel->DeclareExchange(EXCHANGE_NAME, Channel::EXCHANGE_TYPE_FANOUT); std::string queue = channel->DeclareQueue(""); channel->BindQueue(queue, EXCHANGE_NAME, ROUTING_KEY); channel->BasicPublish(EXCHANGE_NAME, ROUTING_KEY, BasicMessage::Create("MessageBody")); channel->BasicPublish(EXCHANGE_NAME, ROUTING_KEY, BasicMessage::Create("MessageBody2")); channel->BasicPublish(EXCHANGE_NAME, ROUTING_KEY, BasicMessage::Create("MessageBody3")); channel->BasicConsume(queue, CONSUMER_TAG); Envelope::ptr_t env; for (int i = 0; i < 3; ++i) { if (channel->BasicConsumeMessage(env, 0)) { std::cout << "Envelope received: \n" << " Exchange: " << env->Exchange() << "\n Routing key: " << env->RoutingKey() << "\n Consumer tag: " << env->ConsumerTag() << "\n Delivery tag: " << env->DeliveryTag() << "\n Redelivered: " << env->Redelivered() << "\n Body: " << env->Message()->Body() << std::endl; } else { std::cout << "Basic Consume failed.\n"; } } } catch (AmqpResponseServerException& e) { std::cout << "Failure: " << e.what(); } return 0; }
TEST_F(connected_test, basic_message_empty_table_roundtrip) { std::string queue = channel->DeclareQueue(""); std::string tag = channel->BasicConsume(queue, ""); Table table_in; BasicMessage::ptr_t message_in = BasicMessage::Create("Body"); message_in->HeaderTable(table_in); channel->BasicPublish("", queue, message_in); Envelope::ptr_t envelope = channel->BasicConsumeMessage(tag); BasicMessage::ptr_t message_out = envelope->Message(); Table table_out = message_out->HeaderTable(); EXPECT_EQ(table_in.size(), table_out.size()); EXPECT_TRUE(std::equal(table_in.begin(), table_in.end(), table_out.begin())); }
TEST_F(connected_test, basic_message_header_roundtrip) { Table table_in; table_in.insert(TableEntry("void_key", TableValue())); table_in.insert(TableEntry("bool_key", true)); table_in.insert(TableEntry("int8_key", int8_t(8))); table_in.insert(TableEntry("int16_key", int16_t(16))); table_in.insert(TableEntry("int32_key", int32_t(32))); table_in.insert(TableEntry("int64_key", int64_t(64))); table_in.insert(TableEntry("float_key", float(1.5))); table_in.insert(TableEntry("double_key", double(2.25))); table_in.insert(TableEntry("string_key", "A string!")); std::vector<TableValue> array_in; array_in.push_back(TableValue(false)); array_in.push_back(TableValue(int32_t(10))); array_in.push_back(TableValue(std::string("Another string"))); table_in.insert(TableEntry("array_key", array_in)); Table table_inner; table_inner.insert(TableEntry("inner_string", "An inner table")); table_inner.insert(TableEntry("inner array", array_in)); table_in.insert(TableEntry("table_key", table_inner)); std::string queue = channel->DeclareQueue(""); std::string tag = channel->BasicConsume(queue, ""); BasicMessage::ptr_t message_in = BasicMessage::Create("Body"); message_in->HeaderTable(table_in); channel->BasicPublish("", queue, message_in); Envelope::ptr_t envelope = channel->BasicConsumeMessage(tag); BasicMessage::ptr_t message_out = envelope->Message(); Table table_out = message_out->HeaderTable(); EXPECT_EQ(table_in.size(), table_out.size()); EXPECT_TRUE(std::equal(table_in.begin(), table_in.end(), table_out.begin())); }