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/*
Copyright (c) 2007-2013 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"
#if defined (ZMQ_HAVE_WINDOWS)
# include <winsock2.h>
# include <stdexcept>
#else
# include <sys/socket.h>
# include <netinet/in.h>
# include <unistd.h>
#endif
#if defined (ZMQ_HAVE_WINDOWS)
void initialise_network()
{
WSADATA info;
if (WSAStartup(MAKEWORD(2,0), &info) != 0)
{
throw std::runtime_error("Could not start WSA");
}
}
int close(int fd)
{
return closesocket(fd);
}
#else
void initialise_network()
{
}
#endif
// This test case stresses the system to shake out known configuration
// problems. We're not using libzmq here but direct system calls. Note
// that code may need wrapping to be properly portable.
int main (void)
{
initialise_network();
// Check that we can create 1,000 sockets
int handle [1000];
int count;
for (count = 0; count < 1000; count++) {
handle [count] = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (handle [count] == -1) {
printf ("W: Only able to create %d sockets on this box\n", count);
printf ("I: Tune your system to increase maximum allowed file handles\n");
#if defined (ZMQ_HAVE_OSX)
printf ("I: On OS/X, run 'ulimit -n 1200' in bash");
#elif defined (ZMQ_HAVE_LINUX)
printf ("I: On Linux, run 'ulimit -n 1200' in bash");
#endif
return -1;
}
}
// Release the socket handles
while (count)
close (handle [count--]);
}
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