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da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include "testutil_unity.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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SETUP_TEARDOWN_TESTCONTEXT
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// Solaris has a default of 256 max files per process
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#ifdef ZMQ_HAVE_SOLARIS
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#define MAX_SOCKETS 200
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#else
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#define MAX_SOCKETS 1000
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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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void test_localhost ()
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{
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// Check that we have local networking via ZeroMQ
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void *dealer = test_context_socket (ZMQ_DEALER);
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if (zmq_bind (dealer, "tcp://127.0.0.1:*") == -1) {
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TEST_FAIL_MESSAGE (
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"E: Cannot find 127.0.0.1 -- your system does not have local\n"
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"E: networking. Please fix this before running libzmq checks.\n");
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}
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test_context_socket_close (dealer);
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}
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void test_max_sockets ()
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{
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// Check that we can create 1,000 sockets
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fd_t handle[MAX_SOCKETS];
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int count;
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for (count = 0; count < MAX_SOCKETS; count++) {
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handle[count] = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (handle[count] == retired_fd) {
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printf ("W: Only able to create %d sockets on this box\n", count);
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const char msg[] =
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"I: Tune your system to increase maximum allowed file handles\n"
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#if !defined(ZMQ_HAVE_WINDOWS)
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"I: Run 'ulimit -n 1200' in bash\n"
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#endif
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;
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TEST_FAIL_MESSAGE (msg);
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}
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}
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// Release the socket handles
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for (count = 0; count < MAX_SOCKETS; count++) {
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close (handle[count]);
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}
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}
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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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UNITY_BEGIN ();
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RUN_TEST (test_localhost);
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RUN_TEST (test_max_sockets);
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return UNITY_END ();
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}
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