test-getaddrinfo.c

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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
 *
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 * 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.
 *
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 * 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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 */
 
#include "uv.h"
#include "task.h"
#include <stdlib.h>
 
#define CONCURRENT_COUNT    10
 
static const char* name = "localhost";
 
static int getaddrinfo_cbs = 0;
 
/* data used for running multiple calls concurrently */
static uv_getaddrinfo_t* getaddrinfo_handle;
static uv_getaddrinfo_t getaddrinfo_handles[CONCURRENT_COUNT];
static int callback_counts[CONCURRENT_COUNT];
static int fail_cb_called;
 
 
static void getaddrinfo_fail_cb(uv_getaddrinfo_t* req,
                                int status,
                                struct addrinfo* res) {
  ASSERT(fail_cb_called == 0);
  ASSERT(status < 0);
  ASSERT(res == NULL);
  uv_freeaddrinfo(res);  /* Should not crash. */
  fail_cb_called++;
}
 
 
static void getaddrinfo_basic_cb(uv_getaddrinfo_t* handle,
                                 int status,
                                 struct addrinfo* res) {
  ASSERT(handle == getaddrinfo_handle);
  getaddrinfo_cbs++;
  free(handle);
  uv_freeaddrinfo(res);
}
 
 
static void getaddrinfo_cuncurrent_cb(uv_getaddrinfo_t* handle,
                                      int status,
                                      struct addrinfo* res) {
  int i;
  int* data = (int*)handle->data;
 
  for (i = 0; i < CONCURRENT_COUNT; i++) {
    if (&getaddrinfo_handles[i] == handle) {
      ASSERT(i == *data);
 
      callback_counts[i]++;
      break;
    }
  }
  ASSERT (i < CONCURRENT_COUNT);
 
  free(data);
  uv_freeaddrinfo(res);
 
  getaddrinfo_cbs++;
}
 
 
TEST_IMPL(getaddrinfo_fail) {
  uv_getaddrinfo_t req;
 
  ASSERT(UV_EINVAL == uv_getaddrinfo(uv_default_loop(),
                                     &req,
                                     (uv_getaddrinfo_cb) abort,
                                     NULL,
                                     NULL,
                                     NULL));
 
  /* Use a FQDN by ending in a period */
  ASSERT(0 == uv_getaddrinfo(uv_default_loop(),
                             &req,
                             getaddrinfo_fail_cb,
                             "xyzzy.xyzzy.xyzzy.",
                             NULL,
                             NULL));
  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
  ASSERT(fail_cb_called == 1);
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}
 
 
TEST_IMPL(getaddrinfo_fail_sync) {
  uv_getaddrinfo_t req;
 
  /* Use a FQDN by ending in a period */
  ASSERT(0 > uv_getaddrinfo(uv_default_loop(),
                            &req,
                            NULL,
                            "xyzzy.xyzzy.xyzzy.",
                            NULL,
                            NULL));
  uv_freeaddrinfo(req.addrinfo);
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}
 
 
TEST_IMPL(getaddrinfo_basic) {
  int r;
  getaddrinfo_handle = (uv_getaddrinfo_t*)malloc(sizeof(uv_getaddrinfo_t));
 
  r = uv_getaddrinfo(uv_default_loop(),
                     getaddrinfo_handle,
                     &getaddrinfo_basic_cb,
                     name,
                     NULL,
                     NULL);
  ASSERT(r == 0);
 
  uv_run(uv_default_loop(), UV_RUN_DEFAULT);
 
  ASSERT(getaddrinfo_cbs == 1);
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}
 
 
TEST_IMPL(getaddrinfo_basic_sync) {
  uv_getaddrinfo_t req;
 
  ASSERT(0 == uv_getaddrinfo(uv_default_loop(),
                             &req,
                             NULL,
                             name,
                             NULL,
                             NULL));
  uv_freeaddrinfo(req.addrinfo);
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}
 
 
TEST_IMPL(getaddrinfo_concurrent) {
  int i, r;
  int* data;
 
  for (i = 0; i < CONCURRENT_COUNT; i++) {
    callback_counts[i] = 0;
 
    data = (int*)malloc(sizeof(int));
    ASSERT(data != NULL);
    *data = i;
    getaddrinfo_handles[i].data = data;
 
    r = uv_getaddrinfo(uv_default_loop(),
                       &getaddrinfo_handles[i],
                       &getaddrinfo_cuncurrent_cb,
                       name,
                       NULL,
                       NULL);
    ASSERT(r == 0);
  }
 
  uv_run(uv_default_loop(), UV_RUN_DEFAULT);
 
  for (i = 0; i < CONCURRENT_COUNT; i++) {
    ASSERT(callback_counts[i] == 1);
  }
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}