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comparison third_party/libuv/test/test-tcp-writealot.c @ 160:948de3f54cea

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[ThirdParty] Added libuv
author June Park <parkjune1995@gmail.com>
date Wed, 14 Jan 2026 19:39:52 -0800
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159:05cf9467a1c3 160:948de3f54cea
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 #include <stdio.h>
25 #include <stdlib.h>
26
27
28 #define WRITES 3
29 #if defined(__arm__) /* Decrease the chunks so the test passes on arm CI bots */
30 #define CHUNKS_PER_WRITE 2048
31 #else
32 #define CHUNKS_PER_WRITE 4096
33 #endif
34 #define CHUNK_SIZE 10024 /* 10 kb */
35
36 #define TOTAL_BYTES (WRITES * CHUNKS_PER_WRITE * CHUNK_SIZE)
37
38 static char* send_buffer;
39
40 static int shutdown_cb_called = 0;
41 static int connect_cb_called = 0;
42 static int write_cb_called = 0;
43 static int close_cb_called = 0;
44 static size_t bytes_sent = 0;
45 static size_t bytes_sent_done = 0;
46 static size_t bytes_received_done = 0;
47
48 static uv_connect_t connect_req;
49 static uv_shutdown_t shutdown_req;
50 static uv_write_t write_reqs[WRITES];
51
52
53 static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
54 buf->base = malloc(size);
55 buf->len = size;
56 }
57
58
59 static void close_cb(uv_handle_t* handle) {
60 ASSERT_NOT_NULL(handle);
61 close_cb_called++;
62 }
63
64
65 static void shutdown_cb(uv_shutdown_t* req, int status) {
66 uv_tcp_t* tcp;
67
68 ASSERT_PTR_EQ(req, &shutdown_req);
69 ASSERT_OK(status);
70
71 tcp = (uv_tcp_t*)(req->handle);
72
73 /* The write buffer should be empty by now. */
74 ASSERT_OK(tcp->write_queue_size);
75
76 /* Now we wait for the EOF */
77 shutdown_cb_called++;
78
79 /* We should have had all the writes called already. */
80 ASSERT_EQ(write_cb_called, WRITES);
81 }
82
83
84 static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
85 ASSERT_NOT_NULL(tcp);
86
87 if (nread >= 0) {
88 bytes_received_done += nread;
89 }
90 else {
91 ASSERT_EQ(nread, UV_EOF);
92 printf("GOT EOF\n");
93 uv_close((uv_handle_t*)tcp, close_cb);
94 }
95
96 free(buf->base);
97 }
98
99
100 static void write_cb(uv_write_t* req, int status) {
101 ASSERT_NOT_NULL(req);
102
103 if (status) {
104 fprintf(stderr, "uv_write error: %s\n", uv_strerror(status));
105 ASSERT(0);
106 }
107
108 bytes_sent_done += CHUNKS_PER_WRITE * CHUNK_SIZE;
109 write_cb_called++;
110 }
111
112
113 static void connect_cb(uv_connect_t* req, int status) {
114 uv_buf_t send_bufs[CHUNKS_PER_WRITE];
115 uv_stream_t* stream;
116 int i, j, r;
117
118 ASSERT_PTR_EQ(req, &connect_req);
119 ASSERT_OK(status);
120
121 stream = req->handle;
122 connect_cb_called++;
123
124 /* Write a lot of data */
125 for (i = 0; i < WRITES; i++) {
126 uv_write_t* write_req = write_reqs + i;
127
128 for (j = 0; j < CHUNKS_PER_WRITE; j++) {
129 send_bufs[j] = uv_buf_init(send_buffer + bytes_sent, CHUNK_SIZE);
130 bytes_sent += CHUNK_SIZE;
131 }
132
133 r = uv_write(write_req, stream, send_bufs, CHUNKS_PER_WRITE, write_cb);
134 ASSERT_OK(r);
135 }
136
137 /* Shutdown on drain. */
138 r = uv_shutdown(&shutdown_req, stream, shutdown_cb);
139 ASSERT_OK(r);
140
141 /* Start reading */
142 r = uv_read_start(stream, alloc_cb, read_cb);
143 ASSERT_OK(r);
144 }
145
146
147 TEST_IMPL(tcp_writealot) {
148 struct sockaddr_in addr;
149 uv_tcp_t client;
150 int r;
151
152 #if defined(__MSAN__) || defined(__TSAN__)
153 RETURN_SKIP("Test is too slow to run under "
154 "MemorySanitizer or ThreadSanitizer");
155 #endif
156
157 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
158
159 send_buffer = calloc(1, TOTAL_BYTES);
160 ASSERT_NOT_NULL(send_buffer);
161
162 r = uv_tcp_init(uv_default_loop(), &client);
163 ASSERT_OK(r);
164
165 r = uv_tcp_connect(&connect_req,
166 &client,
167 (const struct sockaddr*) &addr,
168 connect_cb);
169 ASSERT_OK(r);
170
171 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
172
173 ASSERT_EQ(1, shutdown_cb_called);
174 ASSERT_EQ(1, connect_cb_called);
175 ASSERT_EQ(write_cb_called, WRITES);
176 ASSERT_EQ(1, close_cb_called);
177 ASSERT_EQ(bytes_sent, TOTAL_BYTES);
178 ASSERT_EQ(bytes_sent_done, TOTAL_BYTES);
179 ASSERT_EQ(bytes_received_done, TOTAL_BYTES);
180
181 free(send_buffer);
182
183 MAKE_VALGRIND_HAPPY(uv_default_loop());
184 return 0;
185 }