| /* |
| Copyright (c) 2013 Martin Sustrik All rights reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| IN THE SOFTWARE. |
| */ |
| |
| #include "../src/nn.h" |
| #include "../src/pair.h" |
| #include "../src/inproc.h" |
| |
| #include "testutil.h" |
| #include "../src/utils/attr.h" |
| #include "../src/utils/thread.c" |
| |
| #if defined NN_HAVE_WINDOWS |
| #include "../src/utils/win.h" |
| #else |
| #include <sys/select.h> |
| #endif |
| |
| /* Test of polling via NN_SNDFD/NN_RCVFD mechanism. */ |
| |
| #define SOCKET_ADDRESS "inproc://a" |
| |
| int sc; |
| |
| void routine1 (NN_UNUSED void *arg) |
| { |
| nn_sleep (10); |
| test_send (sc, "ABC"); |
| } |
| |
| void routine2 (NN_UNUSED void *arg) |
| { |
| nn_sleep (10); |
| nn_term (); |
| } |
| |
| #define NN_IN 1 |
| #define NN_OUT 2 |
| |
| int getevents (int s, int events, int timeout) |
| { |
| int rc; |
| fd_set pollset; |
| #if defined NN_HAVE_WINDOWS |
| SOCKET rcvfd; |
| SOCKET sndfd; |
| #else |
| int rcvfd; |
| int sndfd; |
| int maxfd; |
| #endif |
| size_t fdsz; |
| struct timeval tv; |
| int revents; |
| |
| #if !defined NN_HAVE_WINDOWS |
| maxfd = 0; |
| #endif |
| FD_ZERO (&pollset); |
| |
| if (events & NN_IN) { |
| fdsz = sizeof (rcvfd); |
| rc = nn_getsockopt (s, NN_SOL_SOCKET, NN_RCVFD, (char*) &rcvfd, &fdsz); |
| errno_assert (rc == 0); |
| nn_assert (fdsz == sizeof (rcvfd)); |
| FD_SET (rcvfd, &pollset); |
| #if !defined NN_HAVE_WINDOWS |
| if (rcvfd + 1 > maxfd) |
| maxfd = rcvfd + 1; |
| #endif |
| } |
| |
| if (events & NN_OUT) { |
| fdsz = sizeof (sndfd); |
| rc = nn_getsockopt (s, NN_SOL_SOCKET, NN_SNDFD, (char*) &sndfd, &fdsz); |
| errno_assert (rc == 0); |
| nn_assert (fdsz == sizeof (sndfd)); |
| FD_SET (sndfd, &pollset); |
| #if !defined NN_HAVE_WINDOWS |
| if (sndfd + 1 > maxfd) |
| maxfd = sndfd + 1; |
| #endif |
| } |
| |
| if (timeout >= 0) { |
| tv.tv_sec = timeout / 1000; |
| tv.tv_usec = (timeout % 1000) * 1000; |
| } |
| #if defined NN_HAVE_WINDOWS |
| rc = select (0, &pollset, NULL, NULL, timeout < 0 ? NULL : &tv); |
| wsa_assert (rc != SOCKET_ERROR); |
| #else |
| rc = select (maxfd, &pollset, NULL, NULL, timeout < 0 ? NULL : &tv); |
| errno_assert (rc >= 0); |
| #endif |
| revents = 0; |
| if ((events & NN_IN) && FD_ISSET (rcvfd, &pollset)) |
| revents |= NN_IN; |
| if ((events & NN_OUT) && FD_ISSET (sndfd, &pollset)) |
| revents |= NN_OUT; |
| return revents; |
| } |
| |
| int main () |
| { |
| int rc; |
| int sb; |
| char buf [3]; |
| struct nn_thread thread; |
| struct nn_pollfd pfd [2]; |
| |
| /* Test nn_poll() function. */ |
| sb = test_socket (AF_SP, NN_PAIR); |
| test_bind (sb, SOCKET_ADDRESS); |
| sc = test_socket (AF_SP, NN_PAIR); |
| test_connect (sc, SOCKET_ADDRESS); |
| test_send (sc, "ABC"); |
| nn_sleep (100); |
| pfd [0].fd = sb; |
| pfd [0].events = NN_POLLIN | NN_POLLOUT; |
| pfd [1].fd = sc; |
| pfd [1].events = NN_POLLIN | NN_POLLOUT; |
| rc = nn_poll (pfd, 2, -1); |
| errno_assert (rc >= 0); |
| nn_assert (rc == 2); |
| nn_assert (pfd [0].revents == (NN_POLLIN | NN_POLLOUT)); |
| nn_assert (pfd [1].revents == NN_POLLOUT); |
| test_close (sc); |
| test_close (sb); |
| |
| /* Create a simple topology. */ |
| sb = test_socket (AF_SP, NN_PAIR); |
| test_bind (sb, SOCKET_ADDRESS); |
| sc = test_socket (AF_SP, NN_PAIR); |
| test_connect (sc, SOCKET_ADDRESS); |
| |
| /* Check the initial state of the socket. */ |
| rc = getevents (sb, NN_IN | NN_OUT, 1000); |
| nn_assert (rc == NN_OUT); |
| |
| /* Poll for IN when there's no message available. The call should |
| time out. */ |
| rc = getevents (sb, NN_IN, 10); |
| nn_assert (rc == 0); |
| |
| /* Send a message and start polling. This time IN event should be |
| signaled. */ |
| test_send (sc, "ABC"); |
| rc = getevents (sb, NN_IN, 1000); |
| nn_assert (rc == NN_IN); |
| |
| /* Receive the message and make sure that IN is no longer signaled. */ |
| test_recv (sb, "ABC"); |
| rc = getevents (sb, NN_IN, 10); |
| nn_assert (rc == 0); |
| |
| /* Check signalling from a different thread. */ |
| nn_thread_init (&thread, routine1, NULL); |
| rc = getevents (sb, NN_IN, 1000); |
| nn_assert (rc == NN_IN); |
| test_recv (sb, "ABC"); |
| nn_thread_term (&thread); |
| |
| /* Check terminating the library from a different thread. */ |
| nn_thread_init (&thread, routine2, NULL); |
| rc = nn_recv (sb, buf, sizeof (buf), 0); |
| nn_assert (rc < 0 && nn_errno () == EBADF); |
| nn_thread_term (&thread); |
| |
| /* Clean up. */ |
| test_close (sc); |
| test_close (sb); |
| |
| return 0; |
| } |
| |