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 <stdio.h>
23#include <stdlib.h>
24#include <string.h>
25
26#include "uv.h"
27#include "task.h"
28
29static uv_tcp_t server;
30static uv_tcp_t client;
31static uv_tcp_t incoming;
32static int connect_cb_called;
33static int close_cb_called;
34static int connection_cb_called;
35static uv_write_t write_req;
36
37static char hello[] = "HELLO!";
38
39
40static void close_cb(uv_handle_t* handle) {
41  close_cb_called++;
42}
43
44static void write_cb(uv_write_t* req, int status) {
45  ASSERT_OK(status);
46}
47
48static void conn_alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
49  /* Do nothing, read_cb should be called with UV_ENOBUFS. */
50}
51
52static void conn_read_cb(uv_stream_t* stream,
53                         ssize_t nread,
54                         const uv_buf_t* buf) {
55  ASSERT_EQ(nread, UV_ENOBUFS);
56  ASSERT_NULL(buf->base);
57  ASSERT_OK(buf->len);
58
59  uv_close((uv_handle_t*) &incoming, close_cb);
60  uv_close((uv_handle_t*) &client, close_cb);
61  uv_close((uv_handle_t*) &server, close_cb);
62}
63
64static void connect_cb(uv_connect_t* req, int status) {
65  int r;
66  uv_buf_t buf;
67
68  ASSERT_OK(status);
69  connect_cb_called++;
70
71  buf = uv_buf_init(hello, sizeof(hello));
72  r = uv_write(&write_req, req->handle, &buf, 1, write_cb);
73  ASSERT_OK(r);
74}
75
76
77static void connection_cb(uv_stream_t* tcp, int status) {
78  ASSERT_OK(status);
79
80  ASSERT_OK(uv_tcp_init(tcp->loop, &incoming));
81  ASSERT_OK(uv_accept(tcp, (uv_stream_t*) &incoming));
82  ASSERT_OK(uv_read_start((uv_stream_t*) &incoming,
83                          conn_alloc_cb,
84                          conn_read_cb));
85
86  connection_cb_called++;
87}
88
89
90static void start_server(void) {
91  struct sockaddr_in addr;
92
93  ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
94
95  ASSERT_OK(uv_tcp_init(uv_default_loop(), &server));
96  ASSERT_OK(uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
97  ASSERT_OK(uv_listen((uv_stream_t*) &server, 128, connection_cb));
98}
99
100
101TEST_IMPL(tcp_alloc_cb_fail) {
102  uv_connect_t connect_req;
103  struct sockaddr_in addr;
104
105  start_server();
106
107  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
108
109  ASSERT_OK(uv_tcp_init(uv_default_loop(), &client));
110  ASSERT_OK(uv_tcp_connect(&connect_req,
111                           &client,
112                           (struct sockaddr*) &addr,
113                           connect_cb));
114
115  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
116
117  ASSERT_EQ(1, connect_cb_called);
118  ASSERT_EQ(1, connection_cb_called);
119  ASSERT_EQ(3, close_cb_called);
120
121  MAKE_VALGRIND_HAPPY(uv_default_loop());
122  return 0;
123}
124