1 /* Copyright libuv project and 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_tcp_t tcp;
26 static uv_connect_t connect_req;
27 static uv_buf_t qbuf;
28 static int called_alloc_cb;
29 static int called_connect_cb;
30 static int called_close_cb;
31
32
close_cb(uv_handle_t * handle)33 static void close_cb(uv_handle_t* handle) {
34 ASSERT_PTR_EQ(handle, (uv_handle_t*) &tcp);
35 called_close_cb++;
36 }
37
38
alloc_cb(uv_handle_t * handle,size_t size,uv_buf_t * buf)39 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
40 buf->base = malloc(size);
41 buf->len = size;
42 called_alloc_cb++;
43 }
44
45
read_cb(uv_stream_t * t,ssize_t nread,const uv_buf_t * buf)46 static void read_cb(uv_stream_t* t, ssize_t nread, const uv_buf_t* buf) {
47 ASSERT_PTR_EQ((uv_tcp_t*) t, &tcp);
48 ASSERT_EQ(nread, UV_ECONNRESET);
49
50 int fd;
51 ASSERT_OK(uv_fileno((uv_handle_t*) t, &fd));
52 uv_handle_type type = uv_guess_handle(fd);
53 ASSERT_EQ(type, UV_TCP);
54
55 uv_close((uv_handle_t *) t, close_cb);
56 free(buf->base);
57 }
58
59
connect_cb(uv_connect_t * req,int status)60 static void connect_cb(uv_connect_t *req, int status) {
61 ASSERT_OK(status);
62 ASSERT_PTR_EQ(req, &connect_req);
63
64 /* Start reading from the connection so we receive the RST in uv__read. */
65 ASSERT_OK(uv_read_start((uv_stream_t*) &tcp, alloc_cb, read_cb));
66
67 /* Write 'QSH' to receive RST from the echo server. */
68 ASSERT_EQ(qbuf.len, uv_try_write((uv_stream_t*) &tcp, &qbuf, 1));
69
70 called_connect_cb++;
71 }
72
73
74 /*
75 * This test has a client which connects to the echo_server and receives TCP
76 * RST. Test checks that uv_guess_handle still works on a reset TCP handle.
77 */
TEST_IMPL(tcp_rst)78 TEST_IMPL(tcp_rst) {
79 #if defined(__OpenBSD__)
80 RETURN_SKIP("Test does not currently work in OpenBSD");
81 #endif
82 #ifndef _WIN32
83 struct sockaddr_in server_addr;
84 int r;
85
86 qbuf.base = "QSH";
87 qbuf.len = 3;
88
89 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
90 r = uv_tcp_init(uv_default_loop(), &tcp);
91 ASSERT_OK(r);
92
93 r = uv_tcp_connect(&connect_req,
94 &tcp,
95 (const struct sockaddr*) &server_addr,
96 connect_cb);
97 ASSERT_OK(r);
98
99 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
100
101 ASSERT_EQ(1, called_alloc_cb);
102 ASSERT_EQ(1, called_connect_cb);
103 ASSERT_EQ(1, called_close_cb);
104
105 MAKE_VALGRIND_HAPPY(uv_default_loop());
106 return 0;
107 #else
108 RETURN_SKIP("Unix only test");
109 #endif
110 }
111
