/* 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>

static int udp_options_test(const struct sockaddr* addr) {

  static int invalid_ttls[] = { -1, 0, 256 };

  uv_loop_t* loop;

  uv_udp_t h;

  int i, r;

  loop = uv_default_loop();

  r = uv_udp_init(loop, &h);

  ASSERT(r == 0);

  uv_unref((uv_handle_t*)&h); /* don't keep the loop alive */

  r = uv_udp_bind(&h, addr, 0);

  ASSERT(r == 0);

  r = uv_udp_set_broadcast(&h, 1);

  r |= uv_udp_set_broadcast(&h, 1);

  r |= uv_udp_set_broadcast(&h, 0);

  r |= uv_udp_set_broadcast(&h, 0);

  ASSERT(r == 0);

  /* values 1-255 should work */

  for (i = 1; i <= 255; i++) {

    r = uv_udp_set_ttl(&h, i);

#if defined(__MVS__)

    if (addr->sa_family == AF_INET6)

      ASSERT(r == 0);

    else

      ASSERT(r == UV_ENOTSUP);

#else

    ASSERT(r == 0);

#endif

  }

  for (i = 0; i < (int) ARRAY_SIZE(invalid_ttls); i++) {

    r = uv_udp_set_ttl(&h, invalid_ttls[i]);

    ASSERT(r == UV_EINVAL);

  }

  r = uv_udp_set_multicast_loop(&h, 1);

  r |= uv_udp_set_multicast_loop(&h, 1);

  r |= uv_udp_set_multicast_loop(&h, 0);

  r |= uv_udp_set_multicast_loop(&h, 0);

  ASSERT(r == 0);

  /* values 0-255 should work */

  for (i = 0; i <= 255; i++) {

    r = uv_udp_set_multicast_ttl(&h, i);

    ASSERT(r == 0);

  }

  /* anything >255 should fail */

  r = uv_udp_set_multicast_ttl(&h, 256);

  ASSERT(r == UV_EINVAL);

  /* don't test ttl=-1, it's a valid value on some platforms */

  r = uv_run(loop, UV_RUN_DEFAULT);

  ASSERT(r == 0);

  MAKE_VALGRIND_HAPPY();

  return 0;

}

TEST_IMPL(udp_options) {

  struct sockaddr_in addr;

  ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));

  return udp_options_test((const struct sockaddr*) &addr);

}

TEST_IMPL(udp_options6) {

  struct sockaddr_in6 addr;

  if (!can_ipv6())

    RETURN_SKIP("IPv6 not supported");

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

  return udp_options_test((const struct sockaddr*) &addr);

}

TEST_IMPL(udp_no_autobind) {

  uv_loop_t* loop;

  uv_udp_t h;

  uv_udp_t h2;

  loop = uv_default_loop();

  /* Test a lazy initialized socket. */

  ASSERT(0 == uv_udp_init(loop, &h);;

  ASSERT(UV_EBADF == uv_udp_set_multicast_ttl(&h, 32));

  ASSERT(UV_EBADF == uv_udp_set_broadcast(&h, 1));

#if defined(__MVS__)

  ASSERT(UV_ENOTSUP == uv_udp_set_ttl(&h, 1));

#else

  ASSERT(UV_EBADF == uv_udp_set_ttl(&h, 1));

#endif

  ASSERT(UV_EBADF == uv_udp_set_multicast_loop(&h, 1));

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

#if defined(__QEMU__)

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

#endif

  ASSERT(UV_EBADF == uv_udp_set_multicast_interface(&h, "0.0.0.0"));

  uv_close((uv_handle_t*) &h, NULL);

  /* Test a non-lazily initialized socket. */

  ASSERT(0 == uv_udp_init_ex(loop, &h2, AF_INET | UV_UDP_RECVMMSG));

  ASSERT(0 == uv_udp_set_multicast_ttl(&h2, 32));

  ASSERT(0 == uv_udp_set_broadcast(&h2, 1));

#if defined(__MVS__)

  /* zOS only supports setting ttl for IPv6 sockets. */

  ASSERT(UV_ENOTSUP == uv_udp_set_ttl(&h2, 1));

#else

  ASSERT(0 == uv_udp_set_ttl(&h2, 1));

#endif

  ASSERT(0 == uv_udp_set_multicast_loop(&h2, 1));

  ASSERT(0 == uv_udp_set_multicast_interface(&h2, "0.0.0.0"));

  uv_close((uv_handle_t*) &h2, NULL);

  ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));

  MAKE_VALGRIND_HAPPY();

  return 0;

}