mirror of
https://github.com/zeromq/libzmq.git
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129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
/*
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Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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// Read one event off the monitor socket; return value and address
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// by reference, if not null, and event number by value. Returns -1
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// in case of error.
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static int
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get_monitor_event (void *monitor, int *value, char **address)
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{
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// First frame in message contains event number and value
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zmq_msg_t msg;
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zmq_msg_init (&msg);
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if (zmq_msg_recv (&msg, monitor, 0) == -1)
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return -1; // Interruped, presumably
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assert (zmq_msg_more (&msg));
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uint8_t *data = (uint8_t *) zmq_msg_data (&msg);
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uint16_t event = *(uint16_t *) (data);
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if (value)
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*value = *(uint32_t *) (data + 2);
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// Second frame in message contains event address
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zmq_msg_init (&msg);
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if (zmq_msg_recv (&msg, monitor, 0) == -1)
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return -1; // Interruped, presumably
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assert (!zmq_msg_more (&msg));
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if (address) {
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uint8_t *data = (uint8_t *) zmq_msg_data (&msg);
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size_t size = zmq_msg_size (&msg);
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*address = (char *) malloc (size + 1);
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memcpy (*address, data, size);
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*address [size] = 0;
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}
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return event;
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}
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int main (void)
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{
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setup_test_environment();
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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// We'll monitor these two sockets
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void *client = zmq_socket (ctx, ZMQ_DEALER);
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assert (client);
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void *server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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// Socket monitoring only works over inproc://
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int rc = zmq_socket_monitor (client, "tcp://127.0.0.1:9999", 0);
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assert (rc == -1);
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assert (zmq_errno () == EPROTONOSUPPORT);
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// Monitor all events on client and server sockets
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rc = zmq_socket_monitor (client, "inproc://monitor-client", ZMQ_EVENT_ALL);
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assert (rc == 0);
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rc = zmq_socket_monitor (server, "inproc://monitor-server", ZMQ_EVENT_ALL);
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assert (rc == 0);
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// Create two sockets for collecting monitor events
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void *client_mon = zmq_socket (ctx, ZMQ_PAIR);
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assert (client_mon);
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void *server_mon = zmq_socket (ctx, ZMQ_PAIR);
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assert (server_mon);
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// Connect these to the inproc endpoints so they'll get events
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rc = zmq_connect (client_mon, "inproc://monitor-client");
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assert (rc == 0);
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rc = zmq_connect (server_mon, "inproc://monitor-server");
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assert (rc == 0);
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// Now do a basic ping test
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rc = zmq_bind (server, "tcp://127.0.0.1:9998");
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assert (rc == 0);
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rc = zmq_connect (client, "tcp://127.0.0.1:9998");
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assert (rc == 0);
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bounce (client, server);
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// Close client and server
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close_zero_linger (client);
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close_zero_linger (server);
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// Now collect and check events from both sockets
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int event = get_monitor_event (client_mon, NULL, NULL);
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if (event == ZMQ_EVENT_CONNECT_DELAYED)
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event = get_monitor_event (client_mon, NULL, NULL);
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assert (event == ZMQ_EVENT_CONNECTED);
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event = get_monitor_event (client_mon, NULL, NULL);
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assert (event == ZMQ_EVENT_MONITOR_STOPPED);
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// This is the flow of server events
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event = get_monitor_event (server_mon, NULL, NULL);
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assert (event == ZMQ_EVENT_LISTENING);
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event = get_monitor_event (server_mon, NULL, NULL);
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assert (event == ZMQ_EVENT_ACCEPTED);
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event = get_monitor_event (server_mon, NULL, NULL);
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assert (event == ZMQ_EVENT_CLOSED);
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event = get_monitor_event (server_mon, NULL, NULL);
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assert (event == ZMQ_EVENT_MONITOR_STOPPED);
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// Close down the sockets
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close_zero_linger (client_mon);
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close_zero_linger (server_mon);
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zmq_ctx_term (ctx);
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return 0 ;
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}
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