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libzmq/tests/test_srcfd.cpp
2014-01-13 18:38:59 +08:00

100 lines
2.5 KiB
C++

/*
Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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"
#define MSG_SIZE 20
#ifdef _WIN32
#include <Winsock2.h>
#include <Ws2tcpip.h>
#define usleep(a) Sleep((a) / 1000)
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#endif
int main (void)
{
int rc;
setup_test_environment();
// Create the infrastructure
void *ctx = zmq_ctx_new ();
assert (ctx);
void *rep = zmq_socket (ctx, ZMQ_REP);
assert (rep);
void *req = zmq_socket (ctx, ZMQ_REQ);
assert (req);
rc = zmq_bind(rep, "tcp://127.0.0.1:5560");
assert (rc == 0);
rc = zmq_connect(req, "tcp://127.0.0.1:5560");
assert (rc == 0);
char tmp[MSG_SIZE];
zmq_send(req, tmp, MSG_SIZE, 0);
zmq_msg_t msg;
rc = zmq_msg_init(&msg);
assert (rc == 0);
zmq_recvmsg(rep, &msg, 0);
assert(zmq_msg_size(&msg) == MSG_SIZE);
// get the messages source file descriptor
int srcFd = zmq_msg_get(&msg, ZMQ_SRCFD);
assert(srcFd >= 0);
// get the remote endpoint
struct sockaddr_storage ss;
socklen_t addrlen = sizeof ss;
rc = getpeername (srcFd, (struct sockaddr*) &ss, &addrlen);
assert (rc == 0);
char host [NI_MAXHOST];
rc = getnameinfo ((struct sockaddr*) &ss, addrlen, host, sizeof host, NULL, 0, NI_NUMERICHOST);
assert (rc == 0);
// assert it is localhost which connected
assert (strcmp(host, "127.0.0.1") == 0);
rc = zmq_close (rep);
assert (rc == 0);
rc = zmq_close (req);
assert (rc == 0);
// sleep a bit for the socket to be freed
usleep(30000);
// getting name from closed socket will fail
rc = getpeername (srcFd, (struct sockaddr*) &ss, &addrlen);
assert (rc == -1);
assert (errno == EBADF);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}