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 | #include <stdio.h> |
26 | #include <stdlib.h> |
27 | #include <string.h> |
28 | |
29 | static void connection_cb(uv_stream_t* server, int status); |
30 | static void connect_cb(uv_connect_t* req, int status); |
31 | static void write_cb(uv_write_t* req, int status); |
32 | static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf); |
33 | static void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf); |
34 | |
35 | static uv_tcp_t tcp_server; |
36 | static uv_tcp_t tcp_client; |
37 | static uv_tcp_t tcp_peer; /* client socket as accept()-ed by server */ |
38 | static uv_connect_t connect_req; |
39 | static uv_write_t write_req; |
40 | |
41 | static int write_cb_called; |
42 | static int read_cb_called; |
43 | |
44 | static void connection_cb(uv_stream_t* server, int status) { |
45 | int r; |
46 | uv_buf_t buf; |
47 | |
48 | ASSERT(server == (uv_stream_t*)&tcp_server); |
49 | ASSERT(status == 0); |
50 | |
51 | r = uv_tcp_init(server->loop, &tcp_peer); |
52 | ASSERT(r == 0); |
53 | |
54 | r = uv_accept(server, (uv_stream_t*)&tcp_peer); |
55 | ASSERT(r == 0); |
56 | |
57 | r = uv_read_start((uv_stream_t*)&tcp_peer, alloc_cb, read_cb); |
58 | ASSERT(r == 0); |
59 | |
60 | buf.base = "hello\n" ; |
61 | buf.len = 6; |
62 | |
63 | r = uv_write(&write_req, (uv_stream_t*)&tcp_peer, &buf, 1, write_cb); |
64 | ASSERT(r == 0); |
65 | } |
66 | |
67 | |
68 | static void alloc_cb(uv_handle_t* handle, |
69 | size_t suggested_size, |
70 | uv_buf_t* buf) { |
71 | static char slab[1024]; |
72 | buf->base = slab; |
73 | buf->len = sizeof(slab); |
74 | } |
75 | |
76 | |
77 | static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) { |
78 | if (nread < 0) { |
79 | fprintf(stderr, "read_cb error: %s\n" , uv_err_name(nread)); |
80 | ASSERT(nread == UV_ECONNRESET || nread == UV_EOF); |
81 | |
82 | uv_close((uv_handle_t*)&tcp_server, NULL); |
83 | uv_close((uv_handle_t*)&tcp_peer, NULL); |
84 | } |
85 | |
86 | read_cb_called++; |
87 | } |
88 | |
89 | |
90 | static void connect_cb(uv_connect_t* req, int status) { |
91 | ASSERT(req == &connect_req); |
92 | ASSERT(status == 0); |
93 | |
94 | /* Close the client. */ |
95 | uv_close((uv_handle_t*)&tcp_client, NULL); |
96 | } |
97 | |
98 | |
99 | static void write_cb(uv_write_t* req, int status) { |
100 | ASSERT(status == 0); |
101 | write_cb_called++; |
102 | } |
103 | |
104 | |
105 | TEST_IMPL(tcp_write_to_half_open_connection) { |
106 | struct sockaddr_in addr; |
107 | uv_loop_t* loop; |
108 | int r; |
109 | |
110 | ASSERT(0 == uv_ip4_addr("127.0.0.1" , TEST_PORT, &addr)); |
111 | |
112 | loop = uv_default_loop(); |
113 | ASSERT(loop != NULL); |
114 | |
115 | r = uv_tcp_init(loop, &tcp_server); |
116 | ASSERT(r == 0); |
117 | |
118 | r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0); |
119 | ASSERT(r == 0); |
120 | |
121 | r = uv_listen((uv_stream_t*)&tcp_server, 1, connection_cb); |
122 | ASSERT(r == 0); |
123 | |
124 | r = uv_tcp_init(loop, &tcp_client); |
125 | ASSERT(r == 0); |
126 | |
127 | r = uv_tcp_connect(&connect_req, |
128 | &tcp_client, |
129 | (const struct sockaddr*) &addr, |
130 | connect_cb); |
131 | ASSERT(r == 0); |
132 | |
133 | r = uv_run(loop, UV_RUN_DEFAULT); |
134 | ASSERT(r == 0); |
135 | |
136 | ASSERT(write_cb_called > 0); |
137 | ASSERT(read_cb_called > 0); |
138 | |
139 | MAKE_VALGRIND_HAPPY(); |
140 | return 0; |
141 | } |
142 | |