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 | #define MAX_BYTES 1024 * 1024 |
30 | |
31 | static uv_tcp_t server; |
32 | static uv_tcp_t client; |
33 | static uv_tcp_t incoming; |
34 | static int connect_cb_called; |
35 | static int close_cb_called; |
36 | static int connection_cb_called; |
37 | static int bytes_read; |
38 | static int bytes_written; |
39 | |
40 | |
41 | static void close_cb(uv_handle_t* handle) { |
42 | close_cb_called++; |
43 | } |
44 | |
45 | |
46 | static void connect_cb(uv_connect_t* req, int status) { |
47 | int r; |
48 | uv_buf_t buf; |
49 | ASSERT(status == 0); |
50 | connect_cb_called++; |
51 | |
52 | do { |
53 | buf = uv_buf_init("PING" , 4); |
54 | r = uv_try_write((uv_stream_t*) &client, &buf, 1); |
55 | ASSERT(r > 0 || r == UV_EAGAIN); |
56 | if (r > 0) { |
57 | bytes_written += r; |
58 | break; |
59 | } |
60 | } while (1); |
61 | |
62 | do { |
63 | buf = uv_buf_init("" , 0); |
64 | r = uv_try_write((uv_stream_t*) &client, &buf, 1); |
65 | } while (r != 0); |
66 | uv_close((uv_handle_t*) &client, close_cb); |
67 | } |
68 | |
69 | |
70 | static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) { |
71 | static char base[1024]; |
72 | |
73 | buf->base = base; |
74 | buf->len = sizeof(base); |
75 | } |
76 | |
77 | |
78 | static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) { |
79 | if (nread < 0) { |
80 | uv_close((uv_handle_t*) tcp, close_cb); |
81 | uv_close((uv_handle_t*) &server, close_cb); |
82 | return; |
83 | } |
84 | |
85 | bytes_read += nread; |
86 | } |
87 | |
88 | |
89 | static void connection_cb(uv_stream_t* tcp, int status) { |
90 | ASSERT(status == 0); |
91 | |
92 | ASSERT(0 == uv_tcp_init(tcp->loop, &incoming)); |
93 | ASSERT(0 == uv_accept(tcp, (uv_stream_t*) &incoming)); |
94 | |
95 | connection_cb_called++; |
96 | ASSERT(0 == uv_read_start((uv_stream_t*) &incoming, alloc_cb, read_cb)); |
97 | } |
98 | |
99 | |
100 | static void start_server(void) { |
101 | struct sockaddr_in addr; |
102 | |
103 | ASSERT(0 == uv_ip4_addr("0.0.0.0" , TEST_PORT, &addr)); |
104 | |
105 | ASSERT(0 == uv_tcp_init(uv_default_loop(), &server)); |
106 | ASSERT(0 == uv_tcp_bind(&server, (struct sockaddr*) &addr, 0)); |
107 | ASSERT(0 == uv_listen((uv_stream_t*) &server, 128, connection_cb)); |
108 | } |
109 | |
110 | |
111 | TEST_IMPL(tcp_try_write) { |
112 | uv_connect_t connect_req; |
113 | struct sockaddr_in addr; |
114 | |
115 | start_server(); |
116 | |
117 | ASSERT(0 == uv_ip4_addr("127.0.0.1" , TEST_PORT, &addr)); |
118 | |
119 | ASSERT(0 == uv_tcp_init(uv_default_loop(), &client)); |
120 | ASSERT(0 == uv_tcp_connect(&connect_req, |
121 | &client, |
122 | (struct sockaddr*) &addr, |
123 | connect_cb)); |
124 | |
125 | ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT)); |
126 | |
127 | ASSERT(connect_cb_called == 1); |
128 | ASSERT(close_cb_called == 3); |
129 | ASSERT(connection_cb_called == 1); |
130 | ASSERT(bytes_read == bytes_written); |
131 | ASSERT(bytes_written > 0); |
132 | |
133 | MAKE_VALGRIND_HAPPY(); |
134 | return 0; |
135 | } |
136 | |