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 void write_cb(uv_write_t* req, int status);
26 static void shutdown_cb(uv_shutdown_t* req, int status);
27 
28 static uv_tcp_t conn;
29 static uv_timer_t timer;
30 static uv_connect_t connect_req;
31 static uv_write_t write_req;
32 static uv_shutdown_t shutdown_req;
33 
34 static int connect_cb_called;
35 static int write_cb_called;
36 static int shutdown_cb_called;
37 
38 static int conn_close_cb_called;
39 static int timer_close_cb_called;
40 
41 
close_cb(uv_handle_t * handle)42 static void close_cb(uv_handle_t* handle) {
43   if (handle == (uv_handle_t*)&conn)
44     conn_close_cb_called++;
45   else if (handle == (uv_handle_t*)&timer)
46     timer_close_cb_called++;
47   else
48     ASSERT(0 && "bad handle in close_cb");
49 }
50 
51 
alloc_cb(uv_handle_t * handle,size_t suggested_size,uv_buf_t * buf)52 static void alloc_cb(uv_handle_t* handle,
53                      size_t suggested_size,
54                      uv_buf_t* buf) {
55   static char slab[64];
56   buf->base = slab;
57   buf->len = sizeof(slab);
58 }
59 
60 
timer_cb(uv_timer_t * handle)61 static void timer_cb(uv_timer_t* handle) {
62   uv_buf_t buf;
63   int r;
64 
65   uv_close((uv_handle_t*)handle, close_cb);
66 
67   buf = uv_buf_init("TEST", 4);
68   r = uv_write(&write_req, (uv_stream_t*)&conn, &buf, 1, write_cb);
69   ASSERT_OK(r);
70 
71   r = uv_shutdown(&shutdown_req, (uv_stream_t*)&conn, shutdown_cb);
72   ASSERT_OK(r);
73 }
74 
75 
read_cb(uv_stream_t * handle,ssize_t nread,const uv_buf_t * buf)76 static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
77 }
78 
79 
connect_cb(uv_connect_t * req,int status)80 static void connect_cb(uv_connect_t* req, int status) {
81   int r;
82 
83   ASSERT_OK(status);
84   connect_cb_called++;
85 
86   r = uv_read_start((uv_stream_t*)&conn, alloc_cb, read_cb);
87   ASSERT_OK(r);
88 }
89 
90 
write_cb(uv_write_t * req,int status)91 static void write_cb(uv_write_t* req, int status) {
92   ASSERT_OK(status);
93   write_cb_called++;
94 }
95 
96 
shutdown_cb(uv_shutdown_t * req,int status)97 static void shutdown_cb(uv_shutdown_t* req, int status) {
98   ASSERT_OK(status);
99   shutdown_cb_called++;
100   uv_close((uv_handle_t*)&conn, close_cb);
101 }
102 
103 
TEST_IMPL(tcp_shutdown_after_write)104 TEST_IMPL(tcp_shutdown_after_write) {
105   struct sockaddr_in addr;
106   uv_loop_t* loop;
107   int r;
108 
109   ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
110   loop = uv_default_loop();
111 
112   r = uv_timer_init(loop, &timer);
113   ASSERT_OK(r);
114 
115   r = uv_timer_start(&timer, timer_cb, 125, 0);
116   ASSERT_OK(r);
117 
118   r = uv_tcp_init(loop, &conn);
119   ASSERT_OK(r);
120 
121   r = uv_tcp_connect(&connect_req,
122                      &conn,
123                      (const struct sockaddr*) &addr,
124                      connect_cb);
125   ASSERT_OK(r);
126 
127   r = uv_run(loop, UV_RUN_DEFAULT);
128   ASSERT_OK(r);
129 
130   ASSERT_EQ(1, connect_cb_called);
131   ASSERT_EQ(1, write_cb_called);
132   ASSERT_EQ(1, shutdown_cb_called);
133   ASSERT_EQ(1, conn_close_cb_called);
134   ASSERT_EQ(1, timer_close_cb_called);
135 
136   MAKE_VALGRIND_HAPPY(loop);
137   return 0;
138 }
139