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https://github.com/zeromq/libzmq.git
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c4d0146f2c
solution: enforce that dish and gram can only bind and radio can only connect
134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq 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 (LGPL) as published
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by 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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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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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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int msg_send (zmq_msg_t *msg_, void *s_, const char* group_, const char* body_)
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{
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int rc = zmq_msg_init_size (msg_, strlen (body_));
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if (rc != 0)
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return rc;
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memcpy (zmq_msg_data (msg_), body_, strlen (body_));
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rc = zmq_msg_set_group (msg_, group_);
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if (rc != 0) {
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zmq_msg_close (msg_);
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return rc;
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}
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rc = zmq_msg_send (msg_, s_, 0);
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zmq_msg_close (msg_);
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return rc;
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}
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int msg_recv_cmp (zmq_msg_t *msg_, void *s_, const char* group_, const char* body_)
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{
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int rc = zmq_msg_init (msg_);
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if (rc != 0)
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return -1;
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int recv_rc = zmq_msg_recv (msg_, s_, 0);
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if (recv_rc == -1) {
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zmq_msg_close(msg_);
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return -1;
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}
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if (strcmp (zmq_msg_group (msg_), group_) != 0)
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{
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zmq_msg_close (msg_);
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return -1;
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}
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char * body = (char*) malloc (sizeof(char) * (zmq_msg_size (msg_) + 1));
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memcpy (body, zmq_msg_data (msg_), zmq_msg_size (msg_));
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body [zmq_msg_size (msg_)] = '\0';
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if (strcmp (body, body_) != 0)
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{
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zmq_msg_close (msg_);
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free(body);
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return -1;
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}
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zmq_msg_close (msg_);
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free (body);
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return recv_rc;
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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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zmq_msg_t msg;
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void *radio = zmq_socket (ctx, ZMQ_RADIO);
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void *dish = zmq_socket (ctx, ZMQ_DISH);
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// Connecting dish should fail
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int rc = zmq_connect (dish, "udp://127.0.0.1:5556");
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assert (rc == -1);
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rc = zmq_bind (dish, "udp://*:5556");
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assert (rc == 0);
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// Bind radio should fail
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rc = zmq_bind (radio, "udp://*:5556");
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assert (rc == -1);
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rc = zmq_connect (radio, "udp://127.0.0.1:5556");
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assert (rc == 0);
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msleep (SETTLE_TIME);
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rc = zmq_join (dish, "TV");
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assert (rc == 0);
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rc = msg_send (&msg, radio, "TV", "Friends");
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assert (rc != -1);
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rc = msg_recv_cmp (&msg, dish, "TV", "Friends");
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assert (rc != -1);
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rc = zmq_close (dish);
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assert (rc == 0);
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rc = zmq_close (radio);
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assert (rc == 0);
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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return 0 ;
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}
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