1/* Copyright libuv contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22#include "uv.h"
23#include "task.h"
24
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28
29static uv_tcp_t server;
30static uv_tcp_t client;
31static uv_tcp_t incoming;
32static int connect_cb_called;
33static int close_cb_called;
34static int connection_cb_called;
35
36
37static void close_cb(uv_handle_t* handle) {
38  close_cb_called++;
39}
40
41static void incoming_close_cb(uv_handle_t* handle) {
42  uv_buf_t buf;
43  int r = 1;
44
45  close_cb_called++;
46
47  buf = uv_buf_init("meow", 4);
48  while (r > 0)
49    r = uv_try_write((uv_stream_t*) &client, &buf, 1);
50  fprintf(stderr, "uv_try_write error: %d %s\n", r, uv_strerror(r));
51  ASSERT(r == UV_EPIPE || r == UV_ECONNABORTED || r == UV_ECONNRESET);
52  ASSERT_OK(client.write_queue_size);
53}
54
55
56static void connect_cb(uv_connect_t* req, int status) {
57  ASSERT_OK(status);
58  connect_cb_called++;
59}
60
61
62static void connection_cb(uv_stream_t* tcp, int status) {
63  ASSERT_OK(status);
64
65  ASSERT_OK(uv_tcp_init(tcp->loop, &incoming));
66  ASSERT_OK(uv_accept(tcp, (uv_stream_t*) &incoming));
67
68  connection_cb_called++;
69  uv_close((uv_handle_t*) &incoming, incoming_close_cb);
70  uv_close((uv_handle_t*) tcp, close_cb);
71}
72
73
74static void start_server(void) {
75  struct sockaddr_in addr;
76
77  ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
78
79  ASSERT_OK(uv_tcp_init(uv_default_loop(), &server));
80  ASSERT_OK(uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
81  ASSERT_OK(uv_listen((uv_stream_t*) &server, 128, connection_cb));
82}
83
84
85TEST_IMPL(tcp_try_write_error) {
86  uv_connect_t connect_req;
87  struct sockaddr_in addr;
88
89  start_server();
90
91  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
92
93  ASSERT_OK(uv_tcp_init(uv_default_loop(), &client));
94  ASSERT_OK(uv_tcp_connect(&connect_req,
95                           &client,
96                           (struct sockaddr*) &addr,
97                           connect_cb));
98
99  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
100  uv_close((uv_handle_t*) &client, close_cb);
101  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
102
103  ASSERT_EQ(1, connect_cb_called);
104  ASSERT_EQ(3, close_cb_called);
105  ASSERT_EQ(1, connection_cb_called);
106
107  MAKE_VALGRIND_HAPPY(uv_default_loop());
108  return 0;
109}
110