mirror of
https://github.com/zeromq/libzmq.git
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83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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Copyright (c) 2007-2013 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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#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()
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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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{
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throw std::runtime_error("Could not start WSA");
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}
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}
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int close(int fd)
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{
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return closesocket(fd);
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}
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#else
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void initialise_network()
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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 not using libzmq here but direct system calls. Note
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// that code may 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 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 ("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");
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#elif defined (ZMQ_HAVE_LINUX)
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printf ("I: On Linux, run 'ulimit -n 1200' in bash");
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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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while (count)
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close (handle [count--]);
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}
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