/* Copyright Joyent, Inc. and other Node contributors. 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 "uv.h"

#include "task.h"

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#define CHECK_HANDLE(handle) \

  ASSERT((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client)

static uv_udp_t server;

static uv_udp_t client;

static int sv_send_cb_called;

static int close_cb_called;

static void close_cb(uv_handle_t* handle) {

  CHECK_HANDLE(handle);

  close_cb_called++;

}

static void sv_send_cb(uv_udp_send_t* req, int status) {

  ASSERT(req != NULL);

  ASSERT(status == 0);

  CHECK_HANDLE(req->handle);

  sv_send_cb_called++;

  uv_close((uv_handle_t*) req->handle, close_cb);

}

TEST_IMPL(udp_multicast_interface6) {

/* TODO(gengjiawen): Fix test on QEMU. */

#if defined(__QEMU__)

  RETURN_SKIP("Test does not currently work in QEMU");

#endif

  int r;

  uv_udp_send_t req;

  uv_buf_t buf;

  struct sockaddr_in6 addr;

  struct sockaddr_in6 baddr;

  if (!can_ipv6())

    RETURN_SKIP("IPv6 not supported");

  ASSERT(0 == uv_ip6_addr("::1", TEST_PORT, &addr));

  r = uv_udp_init(uv_default_loop(), &server);

  ASSERT(r == 0);

  ASSERT(0 == uv_ip6_addr("::", 0, &baddr));

  r = uv_udp_bind(&server, (const struct sockaddr*)&baddr, 0);

  ASSERT(r == 0);

#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)

  r = uv_udp_set_multicast_interface(&server, "::1%lo0");

#else

  r = uv_udp_set_multicast_interface(&server, NULL);

#endif

  ASSERT(r == 0);

  /* server sends "PING" */

  buf = uv_buf_init("PING", 4);

  r = uv_udp_send(&req,

                  &server,

                  &buf,

                  1,

                  (const struct sockaddr*)&addr,

                  sv_send_cb);

  ASSERT(r == 0);

  ASSERT(close_cb_called == 0);

  ASSERT(sv_send_cb_called == 0);

  /* run the loop till all events are processed */

  uv_run(uv_default_loop(), UV_RUN_DEFAULT);

  ASSERT(sv_send_cb_called == 1);

  ASSERT(close_cb_called == 1);

  MAKE_VALGRIND_HAPPY();

  return 0;

}