1/* Copyright Joyent, Inc. and other Node 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
25static uv_check_t check_handle;
26static uv_timer_t timer_handle;
27static uv_tcp_t server_handle;
28static uv_tcp_t client_handle;
29static uv_tcp_t peer_handle;
30static uv_write_t write_req;
31static uv_connect_t connect_req;
32
33static unsigned long ticks; /* event loop ticks */
34
35
36static void check_cb(uv_check_t* handle) {
37  ticks++;
38}
39
40
41static void timer_cb(uv_timer_t* handle) {
42  uv_close((uv_handle_t*) &check_handle, NULL);
43  uv_close((uv_handle_t*) &timer_handle, NULL);
44  uv_close((uv_handle_t*) &server_handle, NULL);
45  uv_close((uv_handle_t*) &client_handle, NULL);
46  uv_close((uv_handle_t*) &peer_handle, NULL);
47}
48
49
50static void alloc_cb(uv_handle_t* handle,
51                     size_t suggested_size,
52                     uv_buf_t* buf) {
53  ASSERT(0 && "alloc_cb should not have been called");
54}
55
56
57static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
58  ASSERT(0 && "read_cb should not have been called");
59}
60
61
62static void connect_cb(uv_connect_t* req, int status) {
63  ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &client_handle);
64  ASSERT_OK(status);
65}
66
67
68static void write_cb(uv_write_t* req, int status) {
69  ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &peer_handle);
70  ASSERT_OK(status);
71}
72
73
74static void connection_cb(uv_stream_t* handle, int status) {
75  uv_buf_t buf;
76
77  buf = uv_buf_init("PING", 4);
78
79  ASSERT_OK(status);
80  ASSERT_OK(uv_accept(handle, (uv_stream_t*) &peer_handle));
81  ASSERT_OK(uv_read_start((uv_stream_t*) &peer_handle, alloc_cb, read_cb));
82  ASSERT_OK(uv_write(&write_req, (uv_stream_t*) &peer_handle,
83                     &buf, 1, write_cb));
84}
85
86
87TEST_IMPL(tcp_unexpected_read) {
88  struct sockaddr_in addr;
89  uv_loop_t* loop;
90
91  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
92  loop = uv_default_loop();
93
94  ASSERT_OK(uv_timer_init(loop, &timer_handle));
95  ASSERT_OK(uv_timer_start(&timer_handle, timer_cb, 1000, 0));
96  ASSERT_OK(uv_check_init(loop, &check_handle));
97  ASSERT_OK(uv_check_start(&check_handle, check_cb));
98  ASSERT_OK(uv_tcp_init(loop, &server_handle));
99  ASSERT_OK(uv_tcp_init(loop, &client_handle));
100  ASSERT_OK(uv_tcp_init(loop, &peer_handle));
101  ASSERT_OK(uv_tcp_bind(&server_handle, (const struct sockaddr*) &addr, 0));
102  ASSERT_OK(uv_listen((uv_stream_t*) &server_handle, 1, connection_cb));
103  ASSERT_OK(uv_tcp_connect(&connect_req,
104                           &client_handle,
105                           (const struct sockaddr*) &addr,
106                           connect_cb));
107  ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
108
109  /* This is somewhat inexact but the idea is that the event loop should not
110   * start busy looping when the server sends a message and the client isn't
111   * reading.
112   */
113  ASSERT_LE(ticks, 20);
114
115  MAKE_VALGRIND_HAPPY(loop);
116  return 0;
117}
118