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 <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 
26 #include "uv.h"
27 #include "task.h"
28 
29 #define REQ_COUNT 10000
30 
31 static uv_timer_t timer;
32 static uv_tcp_t server;
33 static uv_tcp_t client;
34 static uv_tcp_t incoming;
35 static int connect_cb_called;
36 static int close_cb_called;
37 static int connection_cb_called;
38 static int write_callbacks;
39 static int write_cancelled_callbacks;
40 static int write_error_callbacks;
41 
42 static uv_write_t write_requests[REQ_COUNT];
43 
44 
close_cb(uv_handle_t * handle)45 static void close_cb(uv_handle_t* handle) {
46   close_cb_called++;
47 }
48 
timer_cb(uv_timer_t * handle)49 static void timer_cb(uv_timer_t* handle) {
50   uv_close((uv_handle_t*) &client, close_cb);
51   uv_close((uv_handle_t*) &server, close_cb);
52   uv_close((uv_handle_t*) &incoming, close_cb);
53 }
54 
write_cb(uv_write_t * req,int status)55 static void write_cb(uv_write_t* req, int status) {
56   if (status == 0)
57     write_callbacks++;
58   else if (status == UV_ECANCELED)
59     write_cancelled_callbacks++;
60   else
61     write_error_callbacks++;
62 }
63 
connect_cb(uv_connect_t * req,int status)64 static void connect_cb(uv_connect_t* req, int status) {
65   static char base[1024];
66   int r;
67   int i;
68   uv_buf_t buf;
69 
70   ASSERT_OK(status);
71   connect_cb_called++;
72 
73   buf = uv_buf_init(base, sizeof(base));
74 
75   for (i = 0; i < REQ_COUNT; i++) {
76     r = uv_write(&write_requests[i],
77                  req->handle,
78                  &buf,
79                  1,
80                  write_cb);
81     ASSERT_OK(r);
82   }
83 }
84 
85 
connection_cb(uv_stream_t * tcp,int status)86 static void connection_cb(uv_stream_t* tcp, int status) {
87   ASSERT_OK(status);
88 
89   ASSERT_OK(uv_tcp_init(tcp->loop, &incoming));
90   ASSERT_OK(uv_accept(tcp, (uv_stream_t*) &incoming));
91 
92   ASSERT_OK(uv_timer_init(uv_default_loop(), &timer));
93   ASSERT_OK(uv_timer_start(&timer, timer_cb, 1000, 0));
94 
95   connection_cb_called++;
96 }
97 
98 
start_server(void)99 static void start_server(void) {
100   struct sockaddr_in addr;
101 
102   ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
103 
104   ASSERT_OK(uv_tcp_init(uv_default_loop(), &server));
105   ASSERT_OK(uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
106   ASSERT_OK(uv_listen((uv_stream_t*) &server, 128, connection_cb));
107 }
108 
109 
TEST_IMPL(tcp_write_queue_order)110 TEST_IMPL(tcp_write_queue_order) {
111   uv_connect_t connect_req;
112   struct sockaddr_in addr;
113   int buffer_size = 16 * 1024;
114 
115   start_server();
116 
117   ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
118 
119   ASSERT_OK(uv_tcp_init(uv_default_loop(), &client));
120   ASSERT_OK(uv_tcp_connect(&connect_req,
121                            &client,
122                            (struct sockaddr*) &addr,
123                            connect_cb));
124   ASSERT_OK(uv_send_buffer_size((uv_handle_t*) &client, &buffer_size));
125 
126   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
127 
128   ASSERT_EQ(1, connect_cb_called);
129   ASSERT_EQ(1, connection_cb_called);
130   ASSERT_GT(write_callbacks, 0);
131   ASSERT_GT(write_cancelled_callbacks, 0);
132   ASSERT_EQ(write_callbacks +
133             write_error_callbacks +
134             write_cancelled_callbacks, REQ_COUNT);
135   ASSERT_EQ(3, close_cb_called);
136 
137   MAKE_VALGRIND_HAPPY(uv_default_loop());
138   return 0;
139 }
140