1 /* Copyright the libuv project 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_loop_t loop;
26 static uv_tcp_t tcp_client;
27 static uv_connect_t connect_req;
28 static uv_write_t write_req;
29 static char reset_me_cmd[] = {'Q', 'S', 'H'};
30 
31 static int connect_cb_called;
32 static int read_cb_called;
33 static int write_cb_called;
34 static int close_cb_called;
35 
write_cb(uv_write_t * req,int status)36 static void write_cb(uv_write_t* req, int status) {
37   write_cb_called++;
38   ASSERT_OK(status);
39 }
40 
alloc_cb(uv_handle_t * handle,size_t suggested_size,uv_buf_t * buf)41 static void alloc_cb(uv_handle_t* handle,
42                      size_t suggested_size,
43                      uv_buf_t* buf) {
44   static char slab[64];
45   buf->base = slab;
46   buf->len = sizeof(slab);
47 }
48 
close_cb(uv_handle_t * handle)49 static void close_cb(uv_handle_t* handle) {
50   close_cb_called++;
51 }
52 
read_cb(uv_stream_t * handle,ssize_t nread,const uv_buf_t * buf)53 static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
54   read_cb_called++;
55 
56   ASSERT((nread < 0) && (nread != UV_EOF));
57   ASSERT_OK(uv_is_writable(handle));
58   ASSERT_OK(uv_is_readable(handle));
59 
60   uv_close((uv_handle_t*) handle, close_cb);
61 }
62 
connect_cb(uv_connect_t * req,int status)63 static void connect_cb(uv_connect_t* req, int status) {
64   int r;
65   uv_buf_t reset_me;
66 
67   connect_cb_called++;
68   ASSERT_OK(status);
69 
70   r = uv_read_start((uv_stream_t*) &tcp_client, alloc_cb, read_cb);
71   ASSERT_OK(r);
72 
73   reset_me = uv_buf_init(reset_me_cmd, sizeof(reset_me_cmd));
74 
75   r = uv_write(&write_req,
76                (uv_stream_t*) &tcp_client,
77                &reset_me,
78                1,
79                write_cb);
80 
81   ASSERT_OK(r);
82 }
83 
TEST_IMPL(not_readable_nor_writable_on_read_error)84 TEST_IMPL(not_readable_nor_writable_on_read_error) {
85   struct sockaddr_in sa;
86   ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &sa));
87   ASSERT_OK(uv_loop_init(&loop));
88   ASSERT_OK(uv_tcp_init(&loop, &tcp_client));
89 
90   ASSERT_OK(uv_tcp_connect(&connect_req,
91                            &tcp_client,
92                            (const struct sockaddr*) &sa,
93                            connect_cb));
94 
95   ASSERT_OK(uv_run(&loop, UV_RUN_DEFAULT));
96 
97   ASSERT_EQ(1, connect_cb_called);
98   ASSERT_EQ(1, read_cb_called);
99   ASSERT_EQ(1, write_cb_called);
100   ASSERT_EQ(1, close_cb_called);
101 
102   MAKE_VALGRIND_HAPPY(&loop);
103   return 0;
104 }
105