intermodule_comm/nacl_imc_c_test.c

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32
  33 // NaCl inter-module communication primitives.
  34
  35 #include <assert.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include "native_client/intermodule_comm/nacl_imc_c.h"
  40
  41 static const NaClSocketAddress test_address = {
  42   "google-imc-test"
  43 };
  44
  45 static NaClHandle g_front;
  46
  47 static void CleanUp(void) {
  48   NaClClose(g_front);
  49 }
  50
  51 // Writes the last error message to the standard error.
  52 void PrintError(const char* message) {
  53   char buffer[256];
  54
  55   if (NaClGetLastErrorString(buffer, sizeof buffer) == 0) {
  56     fprintf(stderr, "%s: %s", message, buffer);
  57   }
  58 }
  59
  60 int main(int argc, char* argv[]) {
  61   int result;
  62   NaClHandle pair[2];
  63   NaClMessageHeader header;
  64   NaClIOVec vec;
  65   char buffer[] = "Hello!";
  66
  67   g_front = NaClBoundSocket(&test_address);
  68   if (g_front == NACL_INVALID_HANDLE) {
  69     PrintError("BoundSocket");
  70     exit(EXIT_FAILURE);
  71   }
  72   atexit(CleanUp);
  73
  74   if (NaClSocketPair(pair) != 0) {
  75     PrintError("SocketPair");
  76     exit(EXIT_FAILURE);
  77   }
  78
  79   vec.base = buffer;
  80   vec.length = sizeof buffer;
  81
  82   // Test SendDatagram
  83   header.iov = &vec;
  84   header.iov_length = 1;
  85   header.handles = NULL;
  86   header.handle_count = 0;
  87   result = NaClSendDatagram(pair[0], &header, 0);
  88   assert(result == sizeof buffer);
  89
  90   // Test ReceiveDatagram
  91   memset(buffer, 0, sizeof buffer);
  92   header.iov = &vec;
  93   header.iov_length = 1;
  94   header.handles = NULL;
  95   header.handle_count = 0;
  96   result = NaClReceiveDatagram(pair[1], &header, 0);
  97   assert(result == sizeof buffer);
  98
  99   assert(strcmp(buffer, "Hello!") == 0);
 100   printf("%s\n", buffer);
 101
 102   NaClClose(pair[0]);
 103   NaClClose(pair[1]);
 104
 105   return 0;
 106 }