rabbitmq-tutorials/cpp/worker.cpp

50 lines
1.6 KiB
C++

#include <iostream>
#include <string.h>
#include <algorithm>
#include <thread>
#include <chrono>
#include <amqp.h>
#include <amqp_tcp_socket.h>
int main(int argc, char const *const *argv)
{
amqp_connection_state_t conn = amqp_new_connection();
amqp_socket_t *socket = amqp_tcp_socket_new(conn);
amqp_socket_open(socket, "localhost", AMQP_PROTOCOL_PORT);
amqp_login(conn, "/", 0, AMQP_DEFAULT_FRAME_SIZE, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest");
const amqp_channel_t KChannel = 1;
amqp_channel_open(conn, KChannel);
amqp_bytes_t queueName(amqp_cstring_bytes("task_queue"));
amqp_queue_declare(conn, KChannel, queueName, false, /*durable*/ true, false, true, amqp_empty_table);
amqp_basic_qos(conn, KChannel, 0, /*prefetch_count*/1, 0);
amqp_basic_consume(conn, KChannel, queueName, amqp_empty_bytes, false, /* auto ack*/false, false, amqp_empty_table);
for (;;)
{
amqp_maybe_release_buffers(conn);
amqp_envelope_t envelope;
amqp_consume_message(conn, &envelope, nullptr, 0);
std::string message((char *)envelope.message.body.bytes,(int)envelope.message.body.len);
std::cout << " [x] Received " << message << std::endl;
const int seconds = std::count(std::begin(message), std::end(message), '.');
std::this_thread::sleep_for(std::chrono::seconds(seconds));
std::cout << " [x] Done" << std::endl;
amqp_basic_ack(conn, KChannel, envelope.delivery_tag, false);
amqp_destroy_envelope(&envelope);
}
amqp_channel_close(conn, KChannel, AMQP_REPLY_SUCCESS);
amqp_connection_close(conn, AMQP_REPLY_SUCCESS);
amqp_destroy_connection(conn);
return 0;
}