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comparison third_party/libuv/test/test-getsockname.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
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28
29 static const int server_port = TEST_PORT;
30 /* Will be updated right after making the uv_connect_call */
31 static int connect_port = -1;
32
33 static int getsocknamecount_tcp = 0;
34 static int getpeernamecount = 0;
35 static int getsocknamecount_udp = 0;
36
37 static uv_loop_t* loop;
38 static uv_tcp_t tcp;
39 static uv_udp_t udp;
40 static uv_connect_t connect_req;
41 static uv_tcp_t tcpServer;
42 static uv_udp_t udpServer;
43 static uv_udp_send_t send_req;
44
45
46 static void alloc(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) {
47 buf->base = malloc(suggested_size);
48 buf->len = suggested_size;
49 }
50
51
52 static void on_close(uv_handle_t* peer) {
53 free(peer);
54 uv_close((uv_handle_t*)&tcpServer, NULL);
55 }
56
57
58 static void after_shutdown(uv_shutdown_t* req, int status) {
59 uv_close((uv_handle_t*) req->handle, on_close);
60 free(req);
61 }
62
63
64 static void after_read(uv_stream_t* handle,
65 ssize_t nread,
66 const uv_buf_t* buf) {
67 uv_shutdown_t* req;
68 int r;
69
70 if (buf->base) {
71 free(buf->base);
72 }
73
74 req = (uv_shutdown_t*) malloc(sizeof *req);
75 r = uv_shutdown(req, handle, after_shutdown);
76 ASSERT_OK(r);
77 }
78
79
80 static void check_sockname(struct sockaddr* addr, const char* compare_ip,
81 int compare_port, const char* context) {
82 struct sockaddr_in check_addr = *(struct sockaddr_in*) addr;
83 struct sockaddr_in compare_addr;
84 char check_ip[17];
85 int r;
86
87 ASSERT_OK(uv_ip4_addr(compare_ip, compare_port, &compare_addr));
88
89 /* Both addresses should be ipv4 */
90 ASSERT_EQ(check_addr.sin_family, AF_INET);
91 ASSERT_EQ(compare_addr.sin_family, AF_INET);
92
93 /* Check if the ip matches */
94 ASSERT_OK(memcmp(&check_addr.sin_addr,
95 &compare_addr.sin_addr,
96 sizeof compare_addr.sin_addr));
97
98 /* Check if the port matches. If port == 0 anything goes. */
99 ASSERT(compare_port == 0 || check_addr.sin_port == compare_addr.sin_port);
100
101 r = uv_ip4_name(&check_addr, (char*) check_ip, sizeof check_ip);
102 ASSERT_OK(r);
103
104 printf("%s: %s:%d\n", context, check_ip, ntohs(check_addr.sin_port));
105 }
106
107
108 static void on_connection(uv_stream_t* server, int status) {
109 struct sockaddr sockname, peername;
110 int namelen;
111 uv_tcp_t* handle;
112 int r;
113
114 if (status != 0) {
115 fprintf(stderr, "Connect error %s\n", uv_err_name(status));
116 }
117 ASSERT_OK(status);
118
119 handle = malloc(sizeof(*handle));
120 ASSERT_NOT_NULL(handle);
121
122 r = uv_tcp_init(loop, handle);
123 ASSERT_OK(r);
124
125 /* associate server with stream */
126 handle->data = server;
127
128 r = uv_accept(server, (uv_stream_t*)handle);
129 ASSERT_OK(r);
130
131 namelen = sizeof sockname;
132 r = uv_tcp_getsockname(handle, &sockname, &namelen);
133 ASSERT_OK(r);
134 check_sockname(&sockname, "127.0.0.1", server_port, "accepted socket");
135 getsocknamecount_tcp++;
136
137 namelen = sizeof peername;
138 r = uv_tcp_getpeername(handle, &peername, &namelen);
139 ASSERT_OK(r);
140 check_sockname(&peername, "127.0.0.1", connect_port, "accepted socket peer");
141 getpeernamecount++;
142
143 r = uv_read_start((uv_stream_t*)handle, alloc, after_read);
144 ASSERT_OK(r);
145 }
146
147
148 static void on_connect(uv_connect_t* req, int status) {
149 struct sockaddr sockname, peername;
150 int r, namelen;
151
152 ASSERT_OK(status);
153
154 namelen = sizeof sockname;
155 r = uv_tcp_getsockname((uv_tcp_t*) req->handle, &sockname, &namelen);
156 ASSERT_OK(r);
157 check_sockname(&sockname, "127.0.0.1", 0, "connected socket");
158 getsocknamecount_tcp++;
159
160 namelen = sizeof peername;
161 r = uv_tcp_getpeername((uv_tcp_t*) req->handle, &peername, &namelen);
162 ASSERT_OK(r);
163 check_sockname(&peername, "127.0.0.1", server_port, "connected socket peer");
164 getpeernamecount++;
165
166 uv_close((uv_handle_t*)&tcp, NULL);
167 }
168
169
170 static int tcp_listener(void) {
171 struct sockaddr_in addr;
172 struct sockaddr sockname, peername;
173 int namelen;
174 int r;
175
176 ASSERT_OK(uv_ip4_addr("0.0.0.0", server_port, &addr));
177
178 r = uv_tcp_init(loop, &tcpServer);
179 if (r) {
180 fprintf(stderr, "Socket creation error\n");
181 return 1;
182 }
183
184 r = uv_tcp_bind(&tcpServer, (const struct sockaddr*) &addr, 0);
185 if (r) {
186 fprintf(stderr, "Bind error\n");
187 return 1;
188 }
189
190 r = uv_listen((uv_stream_t*)&tcpServer, 128, on_connection);
191 if (r) {
192 fprintf(stderr, "Listen error\n");
193 return 1;
194 }
195
196 memset(&sockname, -1, sizeof sockname);
197 namelen = sizeof sockname;
198 r = uv_tcp_getsockname(&tcpServer, &sockname, &namelen);
199 ASSERT_OK(r);
200 check_sockname(&sockname, "0.0.0.0", server_port, "server socket");
201 getsocknamecount_tcp++;
202
203 namelen = sizeof sockname;
204 r = uv_tcp_getpeername(&tcpServer, &peername, &namelen);
205 ASSERT_EQ(r, UV_ENOTCONN);
206 getpeernamecount++;
207
208 return 0;
209 }
210
211
212 static void tcp_connector(void) {
213 struct sockaddr_in server_addr;
214 struct sockaddr sockname;
215 int r, namelen;
216
217 ASSERT_OK(uv_ip4_addr("127.0.0.1", server_port, &server_addr));
218
219 r = uv_tcp_init(loop, &tcp);
220 tcp.data = &connect_req;
221 ASSERT(!r);
222
223 r = uv_tcp_connect(&connect_req,
224 &tcp,
225 (const struct sockaddr*) &server_addr,
226 on_connect);
227 ASSERT(!r);
228
229 /* Fetch the actual port used by the connecting socket. */
230 namelen = sizeof sockname;
231 r = uv_tcp_getsockname(&tcp, &sockname, &namelen);
232 ASSERT(!r);
233 ASSERT_EQ(sockname.sa_family, AF_INET);
234 connect_port = ntohs(((struct sockaddr_in*) &sockname)->sin_port);
235 ASSERT_GT(connect_port, 0);
236 }
237
238
239 static void udp_recv(uv_udp_t* handle,
240 ssize_t nread,
241 const uv_buf_t* buf,
242 const struct sockaddr* addr,
243 unsigned flags) {
244 struct sockaddr sockname;
245 int namelen;
246 int r;
247
248 ASSERT_GE(nread, 0);
249 free(buf->base);
250
251 if (nread == 0) {
252 return;
253 }
254
255 memset(&sockname, -1, sizeof sockname);
256 namelen = sizeof(sockname);
257 r = uv_udp_getsockname(&udp, &sockname, &namelen);
258 ASSERT_OK(r);
259 check_sockname(&sockname, "0.0.0.0", 0, "udp receiving socket");
260 getsocknamecount_udp++;
261
262 uv_close((uv_handle_t*) &udp, NULL);
263 uv_close((uv_handle_t*) handle, NULL);
264 }
265
266
267 static void udp_send(uv_udp_send_t* req, int status) {
268
269 }
270
271
272 static int udp_listener(void) {
273 struct sockaddr_in addr;
274 struct sockaddr sockname;
275 int namelen;
276 int r;
277
278 ASSERT_OK(uv_ip4_addr("0.0.0.0", server_port, &addr));
279
280 r = uv_udp_init(loop, &udpServer);
281 if (r) {
282 fprintf(stderr, "Socket creation error\n");
283 return 1;
284 }
285
286 r = uv_udp_bind(&udpServer, (const struct sockaddr*) &addr, 0);
287 if (r) {
288 fprintf(stderr, "Bind error\n");
289 return 1;
290 }
291
292 memset(&sockname, -1, sizeof sockname);
293 namelen = sizeof sockname;
294 r = uv_udp_getsockname(&udpServer, &sockname, &namelen);
295 ASSERT_OK(r);
296 check_sockname(&sockname, "0.0.0.0", server_port, "udp listener socket");
297 getsocknamecount_udp++;
298
299 r = uv_udp_recv_start(&udpServer, alloc, udp_recv);
300 ASSERT_OK(r);
301
302 return 0;
303 }
304
305
306 static void udp_sender(void) {
307 struct sockaddr_in server_addr;
308 uv_buf_t buf;
309 int r;
310
311 r = uv_udp_init(loop, &udp);
312 ASSERT(!r);
313
314 buf = uv_buf_init("PING", 4);
315 ASSERT_OK(uv_ip4_addr("127.0.0.1", server_port, &server_addr));
316
317 r = uv_udp_send(&send_req,
318 &udp,
319 &buf,
320 1,
321 (const struct sockaddr*) &server_addr,
322 udp_send);
323 ASSERT(!r);
324 }
325
326
327 TEST_IMPL(getsockname_tcp) {
328 loop = uv_default_loop();
329
330 if (tcp_listener())
331 return 1;
332
333 tcp_connector();
334
335 uv_run(loop, UV_RUN_DEFAULT);
336
337 ASSERT_EQ(3, getsocknamecount_tcp);
338 ASSERT_EQ(3, getpeernamecount);
339
340 MAKE_VALGRIND_HAPPY(loop);
341 return 0;
342 }
343
344
345 TEST_IMPL(getsockname_udp) {
346 loop = uv_default_loop();
347
348 if (udp_listener())
349 return 1;
350
351 udp_sender();
352
353 uv_run(loop, UV_RUN_DEFAULT);
354
355 ASSERT_EQ(2, getsocknamecount_udp);
356
357 ASSERT_OK(udp.send_queue_size);
358 ASSERT_OK(udpServer.send_queue_size);
359
360 MAKE_VALGRIND_HAPPY(loop);
361 return 0;
362 }