test-gethostbyname.c

/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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 * 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
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 * IN THE SOFTWARE.
 */

#include "uv.h"
#include "task.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h> /* strlen */

static ares_channel channel;

static int ares_bynamecallbacks;
static int bynamecallbacksig;
static int ares_byaddrcallbacks;
static int byaddrcallbacksig;

static void aresbynamecallback( void *arg,
                          int status,
                          int timeouts,
                          struct hostent *hostent) {
  int * iargs;
  ASSERT(arg != NULL);
  iargs = (int*)arg;
  ASSERT(*iargs == bynamecallbacksig);
  ASSERT(timeouts == 0);

  printf("aresbynamecallback %d\n", ares_bynamecallbacks++);
}


static void aresbyaddrcallback( void *arg,
                          int status,
                          int timeouts,
                          struct hostent *hostent) {
  int * iargs;
  ASSERT(arg != NULL);
  iargs = (int*)arg;
  ASSERT(*iargs == byaddrcallbacksig);
  ASSERT(timeouts == 0);

  printf("aresbyaddrcallback %d\n", ares_byaddrcallbacks++);
}


static void setup_cares() {
  int r;
  struct ares_options options;
  memset(&options, 0, sizeof options);
  r = uv_ares_init_options(uv_default_loop(), &channel, &options, 0);
  ASSERT(r == ARES_SUCCESS);
}


TEST_IMPL(gethostbyname) {

  int rc = 0;
  char addr[4];

  rc = ares_library_init(ARES_LIB_INIT_ALL);
  if (rc != 0) {
    printf("ares library init fails %d\n", rc);
    return 1;
  }

  printf("Start basic gethostbyname test\n");
  setup_cares();

  ares_bynamecallbacks = 0;
  bynamecallbacksig = 7;

  ares_gethostbyname(channel,
                    "microsoft.com",
                    AF_INET,
                    &aresbynamecallback,
                    &bynamecallbacksig);
  uv_run(uv_default_loop());

  ASSERT(ares_bynamecallbacks == 1);

  uv_ares_destroy(uv_default_loop(), channel);
  printf("Done basic gethostbyname test\n");


  /* two sequential call on new channel */

  printf("Start gethostbyname and gethostbyaddr sequential test\n");
  setup_cares();

  ares_bynamecallbacks = 0;
  bynamecallbacksig = 7;

  ares_gethostbyname(channel,
                    "microsoft.com",
                    AF_INET,
                    &aresbynamecallback,
                    &bynamecallbacksig);
  uv_run(uv_default_loop());

  ASSERT(ares_bynamecallbacks == 1);

  ares_byaddrcallbacks = 0;
  byaddrcallbacksig = 8;
  addr[0] = 10;
  addr[1] = 0;
  addr[2] = 1;
  addr[3] = 99;

  ares_gethostbyaddr(channel,
                    addr,
                    4,
                    AF_INET,
                    &aresbyaddrcallback,
                    &byaddrcallbacksig);

  uv_run(uv_default_loop());

  ASSERT(ares_byaddrcallbacks == 1);

  uv_ares_destroy(uv_default_loop(), channel);
  printf("Done gethostbyname and gethostbyaddr sequential test\n");


  /* two simultaneous calls on new channel */

  printf("Start gethostbyname and gethostbyaddr concurrent test\n");
  setup_cares();

  ares_bynamecallbacks = 0;
  bynamecallbacksig = 7;

  ares_gethostbyname(channel,
                    "microsoft.com",
                    AF_INET,
                    &aresbynamecallback,
                    &bynamecallbacksig);

  ares_byaddrcallbacks = 0;
  byaddrcallbacksig = 8;
  addr[0] = 10;
  addr[1] = 0;
  addr[2] = 1;
  addr[3] = 99;

  ares_gethostbyaddr(channel,
                    addr,
                    4,
                    AF_INET,
                    &aresbyaddrcallback,
                    &byaddrcallbacksig);

  uv_run(uv_default_loop());

  ASSERT(ares_bynamecallbacks == 1);
  ASSERT(ares_byaddrcallbacks == 1);


  uv_ares_destroy(uv_default_loop(), channel);
  printf("Done gethostbyname and gethostbyaddr concurrent test\n");

  return 0;
}