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/*
Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
This file is part of libzmq, the ZeroMQ core engine in C++.
libzmq is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
As a special exception, the Contributors give you permission to link
this library with independent modules to produce an executable,
regardless of the license terms of these independent modules, and to
copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the
terms and conditions of the license of that module. An independent
module is a module which is not derived from or based on this library.
If you modify this library, you must extend this exception to your
version of the library.
libzmq is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testutil.hpp"
// Read one event off the monitor socket; return value and address
// by reference, if not null, and event number by value. Returns -1
// in case of error.
static int
get_monitor_event (void *monitor, int *value, char **address)
{
// First frame in message contains event number and value
zmq_msg_t msg;
zmq_msg_init (&msg);
if (zmq_msg_recv (&msg, monitor, 0) == -1)
return -1; // Interruped, presumably
assert (zmq_msg_more (&msg));
uint8_t *data = (uint8_t *) zmq_msg_data (&msg);
uint16_t event = *(uint16_t *) (data);
if (value)
*value = *(uint32_t *) (data + 2);
// Second frame in message contains event address
zmq_msg_init (&msg);
if (zmq_msg_recv (&msg, monitor, 0) == -1)
return -1; // Interruped, presumably
assert (!zmq_msg_more (&msg));
if (address) {
uint8_t *data = (uint8_t *) zmq_msg_data (&msg);
size_t size = zmq_msg_size (&msg);
*address = (char *) malloc (size + 1);
memcpy (*address, data, size);
*address [size] = 0;
}
return event;
}
static void
test_stream_handshake_timeout_accept (void)
{
int rc;
// Set up our context and sockets
void *ctx = zmq_ctx_new ();
assert (ctx);
// We use this socket in raw mode, to make a connection and send nothing
void *stream = zmq_socket (ctx, ZMQ_STREAM);
assert (stream);
int zero = 0;
rc = zmq_setsockopt (stream, ZMQ_LINGER, &zero, sizeof (zero));
assert (rc == 0);
rc = zmq_connect (stream, "tcp://localhost:5557");
assert (rc == 0);
// We'll be using this socket to test TCP stream handshake timeout
void *dealer = zmq_socket (ctx, ZMQ_DEALER);
assert (dealer);
rc = zmq_setsockopt (dealer, ZMQ_LINGER, &zero, sizeof (zero));
assert (rc == 0);
int val, tenth = 100;
size_t vsize = sizeof(val);
// check for the expected default handshake timeout value - 30 sec
rc = zmq_getsockopt (dealer, ZMQ_HANDSHAKE_IVL, &val, &vsize);
assert (rc == 0);
assert (vsize == sizeof(val));
assert (val == 30000);
// make handshake timeout faster - 1/10 sec
rc = zmq_setsockopt (dealer, ZMQ_HANDSHAKE_IVL, &tenth, sizeof (tenth));
assert (rc == 0);
vsize = sizeof(val);
// make sure zmq_setsockopt changed the value
rc = zmq_getsockopt (dealer, ZMQ_HANDSHAKE_IVL, &val, &vsize);
assert (rc == 0);
assert (vsize == sizeof(val));
assert (val == tenth);
// Create and connect a socket for collecting monitor events on dealer
void *dealer_mon = zmq_socket (ctx, ZMQ_PAIR);
assert (dealer_mon);
rc = zmq_socket_monitor (dealer, "inproc://monitor-dealer",
ZMQ_EVENT_CONNECTED | ZMQ_EVENT_DISCONNECTED | ZMQ_EVENT_ACCEPTED);
assert (rc == 0);
// Connect to the inproc endpoint so we'll get events
rc = zmq_connect (dealer_mon, "inproc://monitor-dealer");
assert (rc == 0);
// bind dealer socket to accept connection from non-sending stream socket
rc = zmq_bind (dealer, "tcp://127.0.0.1:5557");
assert (rc == 0);
// we should get ZMQ_EVENT_ACCEPTED and then ZMQ_EVENT_DISCONNECTED
int event = get_monitor_event (dealer_mon, NULL, NULL);
assert (event == ZMQ_EVENT_ACCEPTED);
event = get_monitor_event (dealer_mon, NULL, NULL);
assert (event == ZMQ_EVENT_DISCONNECTED);
rc = zmq_close (dealer);
assert (rc == 0);
rc = zmq_close (dealer_mon);
assert (rc == 0);
rc = zmq_close (stream);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
}
static void
test_stream_handshake_timeout_connect (void)
{
int rc;
// Set up our context and sockets
void *ctx = zmq_ctx_new ();
assert (ctx);
// We use this socket in raw mode, to accept a connection and send nothing
void *stream = zmq_socket (ctx, ZMQ_STREAM);
assert (stream);
int zero = 0;
rc = zmq_setsockopt (stream, ZMQ_LINGER, &zero, sizeof (zero));
assert (rc == 0);
rc = zmq_bind (stream, "tcp://127.0.0.1:5556");
assert (rc == 0);
// We'll be using this socket to test TCP stream handshake timeout
void *dealer = zmq_socket (ctx, ZMQ_DEALER);
assert (dealer);
rc = zmq_setsockopt (dealer, ZMQ_LINGER, &zero, sizeof (zero));
assert (rc == 0);
int val, tenth = 100;
size_t vsize = sizeof(val);
// check for the expected default handshake timeout value - 30 sec
rc = zmq_getsockopt (dealer, ZMQ_HANDSHAKE_IVL, &val, &vsize);
assert (rc == 0);
assert (vsize == sizeof(val));
assert (val == 30000);
// make handshake timeout faster - 1/10 sec
rc = zmq_setsockopt (dealer, ZMQ_HANDSHAKE_IVL, &tenth, sizeof (tenth));
assert (rc == 0);
vsize = sizeof(val);
// make sure zmq_setsockopt changed the value
rc = zmq_getsockopt (dealer, ZMQ_HANDSHAKE_IVL, &val, &vsize);
assert (rc == 0);
assert (vsize == sizeof(val));
assert (val == tenth);
// Create and connect a socket for collecting monitor events on dealer
void *dealer_mon = zmq_socket (ctx, ZMQ_PAIR);
assert (dealer_mon);
rc = zmq_socket_monitor (dealer, "inproc://monitor-dealer",
ZMQ_EVENT_CONNECTED | ZMQ_EVENT_DISCONNECTED | ZMQ_EVENT_ACCEPTED);
assert (rc == 0);
// Connect to the inproc endpoint so we'll get events
rc = zmq_connect (dealer_mon, "inproc://monitor-dealer");
assert (rc == 0);
// connect dealer socket to non-sending stream socket
rc = zmq_connect (dealer, "tcp://localhost:5556");
assert (rc == 0);
// we should get ZMQ_EVENT_CONNECTED and then ZMQ_EVENT_DISCONNECTED
int event = get_monitor_event (dealer_mon, NULL, NULL);
assert (event == ZMQ_EVENT_CONNECTED);
event = get_monitor_event (dealer_mon, NULL, NULL);
assert (event == ZMQ_EVENT_DISCONNECTED);
rc = zmq_close (dealer);
assert (rc == 0);
rc = zmq_close (dealer_mon);
assert (rc == 0);
rc = zmq_close (stream);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
}
int main (void)
{
setup_test_environment();
test_stream_handshake_timeout_accept ();
test_stream_handshake_timeout_connect ();
}