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102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/*
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Copyright (c) 2007-2017 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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#if defined(ZMQ_HAVE_WINDOWS)
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#include <winsock2.h>
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#include <stdexcept>
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <unistd.h>
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#endif
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#if defined(ZMQ_HAVE_WINDOWS)
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void initialise_network (void)
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{
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WSADATA info;
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if (WSAStartup (MAKEWORD (2, 0), &info) != 0)
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throw std::runtime_error ("Could not start WSA");
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}
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#else
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void initialise_network (void)
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{
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}
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#endif
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// This test case stresses the system to shake out known configuration
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// problems. We're direct system calls when necessary. Some code may
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// need wrapping to be properly portable.
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int main (void)
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{
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initialise_network ();
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// Check that we have local networking via ZeroMQ
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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void *dealer = zmq_socket (ctx, ZMQ_DEALER);
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if (zmq_bind (dealer, "tcp://127.0.0.1:*") == -1) {
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printf (
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"E: Cannot find 127.0.0.1 -- your system does not have local\n");
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printf (
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"E: networking. Please fix this before running libzmq checks.\n");
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return -1;
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}
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// Check that we can create 1,000 sockets
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int handle[1000];
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int count;
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for (count = 0; count < 1000; count++) {
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handle[count] = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (handle[count] == -1) {
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printf ("W: Only able to create %d sockets on this box\n", count);
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printf (
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"I: Tune your system to increase maximum allowed file handles\n");
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#if defined(ZMQ_HAVE_OSX)
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printf ("I: On OS/X, run 'ulimit -n 1200' in bash\n");
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#elif defined(ZMQ_HAVE_LINUX)
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printf ("I: On Linux, run 'ulimit -n 1200' in bash\n");
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#endif
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return -1;
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}
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}
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// Release the socket handles
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for (count = 0; count < 1000; count++) {
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close (handle[count]);
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}
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zmq_close (dealer);
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zmq_ctx_term (ctx);
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}
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