text: /*
      Copyright (c) 2007-2012 iMatix Corporation
      Copyright (c) 2009-2011 250bpm s.r.o.
      Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
  
      This file is part of libzmq, the ZeroMQ core engine in C++.
  
      libzmq is free software; you can redistribute it and/or modify it under
      the terms of the GNU Lesser General Public License (LGPL) as published
      by the Free Software Foundation; either version 3 of the License, or
      (at your option) any later version.
  
      As a special exception, the Contributors give you permission to link
      this library with independent modules to produce an executable,
      regardless of the license terms of these independent modules, and to
      copy and distribute the resulting executable under terms of your choice,
      provided that you also meet, for each linked independent module, the
      terms and conditions of the license of that module. An independent
      module is a module which is not derived from or based on this library.
      If you modify this library, you must extend this exception to your
      version of the library.
  
      libzmq 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 "../include/zmq.h"
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "platform.hpp"
  
  #if defined ZMQ_HAVE_WINDOWS
  #include <windows.h>
  #include <process.h>
  #else
  #include <pthread.h>
  #endif
  
  static int message_count;
  static size_t message_size;
  
  #if defined ZMQ_HAVE_WINDOWS
  static unsigned int __stdcall worker (void *ctx_)
  #else
  static void *worker (void *ctx_)
  #endif
  {
      void *s;
      int rc;
      int i;
      zmq_msg_t msg;
  
      s = zmq_socket (ctx_, ZMQ_PUSH);
      if (!s) {
          printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
          exit (1);
      }
  
      rc = zmq_connect (s, "inproc://thr_test");
      if (rc != 0) {
          printf ("error in zmq_connect: %s\n", zmq_strerror (errno));
          exit (1);
      }
  
      for (i = 0; i != message_count; i++) {
          rc = zmq_msg_init_size (&msg, message_size);
          if (rc != 0) {
              printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno));
              exit (1);
          }
  #if defined ZMQ_MAKE_VALGRIND_HAPPY
          memset (zmq_msg_data (&msg), 0, message_size);
  #endif
  
          rc = zmq_sendmsg (s, &msg, 0);
          if (rc < 0) {
              printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
              exit (1);
          }
          rc = zmq_msg_close (&msg);
          if (rc != 0) {
              printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
              exit (1);
          }
      }
  
      rc = zmq_close (s);
      if (rc != 0) {
          printf ("error in zmq_close: %s\n", zmq_strerror (errno));
          exit (1);
      }
  
  #if defined ZMQ_HAVE_WINDOWS
      return 0;
  #else
      return NULL;
  #endif
  }
  
  int main (int argc, char *argv[])
  {
  #if defined ZMQ_HAVE_WINDOWS
      HANDLE local_thread;
  #else
      pthread_t local_thread;
  #endif
      void *ctx;
      void *s;
      int rc;
      int i;
      zmq_msg_t msg;
      void *watch;
      unsigned long elapsed;
      unsigned long throughput;
      double megabits;
  
      if (argc != 3) {
          printf ("usage: inproc_thr <message-size> <message-count>\n");
          return 1;
      }
  
      message_size = atoi (argv[1]);
      message_count = atoi (argv[2]);
  
      ctx = zmq_init (1);
      if (!ctx) {
          printf ("error in zmq_init: %s\n", zmq_strerror (errno));
          return -1;
      }
  
      s = zmq_socket (ctx, ZMQ_PULL);
      if (!s) {
          printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
          return -1;
      }
  
      rc = zmq_bind (s, "inproc://thr_test");
      if (rc != 0) {
          printf ("error in zmq_bind: %s\n", zmq_strerror (errno));
          return -1;
      }
  
  #if defined ZMQ_HAVE_WINDOWS
      local_thread = (HANDLE) _beginthreadex (NULL, 0, worker, ctx, 0, NULL);
      if (local_thread == 0) {
          printf ("error in _beginthreadex\n");
          return -1;
      }
  #else
      rc = pthread_create (&local_thread, NULL, worker, ctx);
      if (rc != 0) {
          printf ("error in pthread_create: %s\n", zmq_strerror (rc));
          return -1;
      }
  #endif
  
      rc = zmq_msg_init (&msg);
      if (rc != 0) {
          printf ("error in zmq_msg_init: %s\n", zmq_strerror (errno));
          return -1;
      }
  
      printf ("message size: %d [B]\n", (int) message_size);
      printf ("message count: %d\n", (int) message_count);
  
      rc = zmq_recvmsg (s, &msg, 0);
      if (rc < 0) {
          printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
          return -1;
      }
      if (zmq_msg_size (&msg) != message_size) {
          printf ("message of incorrect size received\n");
          return -1;
      }
  
      watch = zmq_stopwatch_start ();
  
      for (i = 0; i != message_count - 1; i++) {
          rc = zmq_recvmsg (s, &msg, 0);
          if (rc < 0) {
              printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
              return -1;
          }
          if (zmq_msg_size (&msg) != message_size) {
              printf ("message of incorrect size received\n");
              return -1;
          }
      }
  
      elapsed = zmq_stopwatch_stop (watch);
      if (elapsed == 0)
          elapsed = 1;
  
      rc = zmq_msg_close (&msg);
      if (rc != 0) {
          printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
          return -1;
      }
  
  #if defined ZMQ_HAVE_WINDOWS
      DWORD rc2 = WaitForSingleObject (local_thread, INFINITE);
      if (rc2 == WAIT_FAILED) {
          printf ("error in WaitForSingleObject\n");
          return -1;
      }
      BOOL rc3 = CloseHandle (local_thread);
      if (rc3 == 0) {
          printf ("error in CloseHandle\n");
          return -1;
      }
  #else
      rc = pthread_join (local_thread, NULL);
      if (rc != 0) {
          printf ("error in pthread_join: %s\n", zmq_strerror (rc));
          return -1;
      }
  #endif
  
      rc = zmq_close (s);
      if (rc != 0) {
          printf ("error in zmq_close: %s\n", zmq_strerror (errno));
          return -1;
      }
  
      rc = zmq_ctx_term (ctx);
      if (rc != 0) {
          printf ("error in zmq_ctx_term: %s\n", zmq_strerror (errno));
          return -1;
      }
  
      throughput =
        (unsigned long) ((double) message_count / (double) elapsed * 1000000);
      megabits = (double) (throughput * message_size * 8) / 1000000;
  
      printf ("mean throughput: %d [msg/s]\n", (int) throughput);
      printf ("mean throughput: %.3f [Mb/s]\n", (double) megabits);
  
      return 0;
  }
  