/* 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) == &handle_)

#define CHECK_REQ(req) \

  ASSERT((req) == &req_);

static uv_udp_t handle_;

static uv_udp_send_t req_;

static int send_cb_called;

static int close_cb_called;

static void close_cb(uv_handle_t* handle) {

  CHECK_HANDLE(handle);

  close_cb_called++;

}

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

  CHECK_REQ(req);

  CHECK_HANDLE(req->handle);

  ASSERT(status == UV_EMSGSIZE);

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

  send_cb_called++;

}

TEST_IMPL(udp_dgram_too_big) {

  char dgram[65536]; /* 64K MTU is unlikely, even on localhost */

  struct sockaddr_in addr;

  uv_buf_t buf;

  int r;

  memset(dgram, 42, sizeof dgram); /* silence valgrind */

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

  ASSERT(r == 0);

  buf = uv_buf_init(dgram, sizeof dgram);

  ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));

  r = uv_udp_send(&req_,

                  &handle_,

                  &buf,

                  1,

                  (const struct sockaddr*) &addr,

                  send_cb);

  ASSERT(r == 0);

  ASSERT(close_cb_called == 0);

  ASSERT(send_cb_called == 0);

  uv_run(uv_default_loop(), UV_RUN_DEFAULT);

  ASSERT(send_cb_called == 1);

  ASSERT(close_cb_called == 1);

  MAKE_VALGRIND_HAPPY();

  return 0;

}