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
25 static uv_check_t check_handle;
26 static uv_timer_t timer_handle;
27 static uv_tcp_t server_handle;
28 static uv_tcp_t client_handle;
29 static uv_tcp_t peer_handle;
30 static uv_write_t write_req;
31 static uv_connect_t connect_req;
32
33 static unsigned long ticks; /* event loop ticks */
34
35
check_cb(uv_check_t * handle)36 static void check_cb(uv_check_t* handle) {
37 ticks++;
38 }
39
40
timer_cb(uv_timer_t * handle)41 static 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
alloc_cb(uv_handle_t * handle,size_t suggested_size,uv_buf_t * buf)50 static 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
read_cb(uv_stream_t * handle,ssize_t nread,const uv_buf_t * buf)57 static 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
connect_cb(uv_connect_t * req,int status)62 static 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
write_cb(uv_write_t * req,int status)68 static 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
connection_cb(uv_stream_t * handle,int status)74 static 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
TEST_IMPL(tcp_unexpected_read)87 TEST_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
