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/*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and
* limitations under the License.
*
* The Original Code is librabbitmq.
*
* The Initial Developers of the Original Code are LShift Ltd, Cohesive
* Financial Technologies LLC, and Rabbit Technologies Ltd. Portions
* created before 22-Nov-2008 00:00:00 GMT by LShift Ltd, Cohesive
* Financial Technologies LLC, or Rabbit Technologies Ltd are Copyright
* (C) 2007-2008 LShift Ltd, Cohesive Financial Technologies LLC, and
* Rabbit Technologies Ltd.
*
* Portions created by LShift Ltd are Copyright (C) 2007-2009 LShift
* Ltd. Portions created by Cohesive Financial Technologies LLC are
* Copyright (C) 2007-2009 Cohesive Financial Technologies
* LLC. Portions created by Rabbit Technologies Ltd are Copyright (C)
* 2007-2009 Rabbit Technologies Ltd.
*
* Portions created by Tony Garnock-Jones are Copyright (C) 2009-2010
* LShift Ltd and Tony Garnock-Jones.
*
* All Rights Reserved.
*
* Contributor(s): ______________________________________.
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU General Public License Version 2 or later (the "GPL"), in
* which case the provisions of the GPL are applicable instead of those
* above. If you wish to allow use of your version of this file only
* under the terms of the GPL, and not to allow others to use your
* version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the
* notice and other provisions required by the GPL. If you do not
* delete the provisions above, a recipient may use your version of
* this file under the terms of any one of the MPL or the GPL.
*
* ***** END LICENSE BLOCK *****
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <amqp.h>
#include <amqp_framing.h>
#include <unistd.h>
#include <assert.h>
#include "example_utils.h"
#define SUMMARY_EVERY_US 1000000
static void run(amqp_connection_state_t conn)
{
long long start_time = now_microseconds();
int received = 0;
int previous_received = 0;
long long previous_report_time = start_time;
long long next_summary_time = start_time + SUMMARY_EVERY_US;
amqp_frame_t frame;
int result;
size_t body_received;
size_t body_target;
long long now;
while (1) {
now = now_microseconds();
if (now > next_summary_time) {
int countOverInterval = received - previous_received;
double intervalRate = countOverInterval / ((now - previous_report_time) / 1000000.0);
printf("%d ms: Received %d - %d since last report (%d Hz)\n",
(int)(now - start_time) / 1000, received, countOverInterval, (int) intervalRate);
previous_received = received;
previous_report_time = now;
next_summary_time += SUMMARY_EVERY_US;
}
amqp_maybe_release_buffers(conn);
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
return;
if (frame.frame_type != AMQP_FRAME_METHOD)
continue;
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
continue;
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
return;
if (frame.frame_type != AMQP_FRAME_HEADER) {
fprintf(stderr, "Expected header!");
abort();
}
body_target = frame.payload.properties.body_size;
body_received = 0;
while (body_received < body_target) {
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
return;
if (frame.frame_type != AMQP_FRAME_BODY) {
fprintf(stderr, "Expected body!");
abort();
}
body_received += frame.payload.body_fragment.len;
assert(body_received <= body_target);
}
received++;
}
}
int main(int argc, char const * const *argv) {
char const *hostname;
int port;
char const *exchange;
char const *bindingkey;
int sockfd;
amqp_connection_state_t conn;
amqp_bytes_t queuename;
if (argc < 3) {
fprintf(stderr, "Usage: amqp_consumer host port\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = "amq.direct"; //argv[3];
bindingkey = "test queue"; //argv[4];
conn = amqp_new_connection();
die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket");
amqp_set_sockfd(conn, sockfd);
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_declare_ok_t *r = amqp_queue_declare(conn, 1, AMQP_EMPTY_BYTES, 0, 0, 0, 1,
AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
fprintf(stderr, "Out of memory while copying queue name");
return 1;
}
}
amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey),
AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
amqp_basic_consume(conn, 1, queuename, AMQP_EMPTY_BYTES, 0, 1, 0);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
run(conn);
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;
}
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