env/rabbitmq-c/examples/amqp_unbind.c

// Copyright 2007 - 2021, Alan Antonuk and the rabbitmq-c contributors.
// SPDX-License-Identifier: mit

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <rabbitmq-c/amqp.h>
#include <rabbitmq-c/tcp_socket.h>

#include "utils.h"

int main(int argc, char const *const *argv) {
  char const *hostname;
  int port, status;
  char const *exchange;
  char const *bindingkey;
  char const *queue;
  amqp_socket_t *socket = NULL;
  amqp_connection_state_t conn;

  if (argc < 6) {
    fprintf(stderr, "Usage: amqp_unbind host port exchange bindingkey queue\n");
    return 1;
  }

  hostname = argv[1];
  port = atoi(argv[2]);
  exchange = argv[3];
  bindingkey = argv[4];
  queue = argv[5];

  conn = amqp_new_connection();

  socket = amqp_tcp_socket_new(conn);
  if (!socket) {
    die("creating TCP socket");
  }

  status = amqp_socket_open(socket, hostname, port);
  if (status) {
    die("opening TCP socket");
  }

  die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN,
                               "guest", "guest"),
                    "Logging in");
  amqp_channel_open(conn, 1);
  die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");

  amqp_queue_unbind(conn, 1, amqp_cstring_bytes(queue),
                    amqp_cstring_bytes(exchange),
                    amqp_cstring_bytes(bindingkey), amqp_empty_table);
  die_on_amqp_error(amqp_get_rpc_reply(conn), "Unbinding");

  die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS),
                    "Closing channel");
  die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS),
                    "Closing connection");
  die_on_error(amqp_destroy_connection(conn), "Ending connection");
  return 0;
}