/* Copyright libuv project and 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 "task.h"
#include "uv.h"

static uv_tcp_t server;
static uv_tcp_t client;
static uv_tcp_t conn;
static int connection_cb_called;
static int connect_cb_called;

static void connect_cb(uv_connect_t* _, int status) {
  ASSERT_OK(status);
  connect_cb_called++;
}

static void connection_cb(uv_stream_t* tcp, int status) {
  ASSERT_OK(status);
  connection_cb_called++;

  /* Reject the connection */
  ASSERT_OK(uv_reject(tcp));

  /* The server should not have accepted the connection */
  int r = uv_tcp_init(uv_default_loop(), &conn);
  r = uv_accept((uv_stream_t*)tcp, (uv_stream_t*)&conn);
  ASSERT(r == UV_EAGAIN);

  /* Close the server */
  uv_close((uv_handle_t*) &server, NULL);
}

static void start_server(void) {
  struct sockaddr_in addr;

  ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));

  ASSERT_OK(uv_tcp_init(uv_default_loop(), &server));
  ASSERT_OK(uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
  ASSERT_OK(uv_listen((uv_stream_t*) &server, 128, connection_cb));
}

TEST_IMPL(tcp_reject) {
  uv_connect_t connect_req;
  struct sockaddr_in addr;

  start_server();

  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));

  ASSERT_OK(uv_tcp_init(uv_default_loop(), &client));
  ASSERT_OK(uv_tcp_connect(&connect_req,
                           &client,
                           (struct sockaddr*) &addr,
                           connect_cb));

  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));

  ASSERT_EQ(1, connection_cb_called);
  ASSERT_EQ(1, connect_cb_called);

  MAKE_VALGRIND_HAPPY(uv_default_loop());
  return 0;
}