VirtualBox

source: vbox/trunk/src/libs/xpcom18a4/nsprpub/pr/tests/prpoll.c@ 89890

最後變更 在這個檔案從89890是 1,由 vboxsync 提交於 55 年 前

import
  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Author Date Id Revision
檔案大小: 10.9 KB
行 
1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 *
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 *
15 * The Original Code is the Netscape Portable Runtime (NSPR).
16 *
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998-2000
20 * the Initial Developer. All Rights Reserved.
21 *
22 * Contributor(s):
23 *
24 * Alternatively, the contents of this file may be used under the terms of
25 * either the GNU General Public License Version 2 or later (the "GPL"), or
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
28 * of those above. If you wish to allow use of your version of this file only
29 * under the terms of either the GPL or the LGPL, and not to allow others to
30 * use your version of this file under the terms of the MPL, indicate your
31 * decision by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL or the LGPL. If you do not delete
33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
35 *
36 * ***** END LICENSE BLOCK ***** */
37
38#ifdef WIN32
39#include <windows.h>
40#endif
41
42#ifdef XP_OS2_VACPP
43#include <io.h> /* for close() */
44#endif
45
46#include "prinit.h"
47#include "prio.h"
48#include "prlog.h"
49#include "prprf.h"
50#include "prnetdb.h"
51
52#ifndef XP_MAC
53#include "private/pprio.h"
54#else
55#include "pprio.h"
56#endif
57
58#define CLIENT_LOOPS 5
59#define BUF_SIZE 128
60
61#include <stdio.h>
62#include <string.h>
63#include <stdlib.h>
64
65static void
66clientThreadFunc(void *arg)
67{
68 PRUint16 port = (PRUint16) arg;
69 PRFileDesc *sock;
70 PRNetAddr addr;
71 char buf[BUF_SIZE];
72 int i;
73
74 addr.inet.family = PR_AF_INET;
75 addr.inet.port = PR_htons(port);
76 addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
77 PR_snprintf(buf, sizeof(buf), "%hu", port);
78
79 for (i = 0; i < 5; i++) {
80 sock = PR_NewTCPSocket();
81 PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
82
83 PR_Write(sock, buf, sizeof(buf));
84 PR_Close(sock);
85 }
86}
87
88int main(int argc, char **argv)
89{
90 PRFileDesc *listenSock1, *listenSock2;
91 PRFileDesc *badFD;
92 PRUint16 listenPort1, listenPort2;
93 PRNetAddr addr;
94 char buf[BUF_SIZE];
95 PRThread *clientThread;
96 PRPollDesc pds0[10], pds1[10], *pds, *other_pds;
97 PRIntn npds;
98 PRInt32 retVal;
99 PRInt32 sd, rv;
100 struct sockaddr_in saddr;
101 PRIntn saddr_len;
102 PRUint16 listenPort3;
103 PRFileDesc *socket_poll_fd;
104 PRIntn i, j;
105
106 PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
107 PR_STDIO_INIT();
108
109 printf("This program tests PR_Poll with sockets.\n");
110 printf("Timeout, error reporting, and normal operation are tested.\n\n");
111
112 /* Create two listening sockets */
113 if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
114 fprintf(stderr, "Can't create a new TCP socket\n");
115 exit(1);
116 }
117 addr.inet.family = PR_AF_INET;
118 addr.inet.ip = PR_htonl(PR_INADDR_ANY);
119 addr.inet.port = PR_htons(0);
120 if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
121 fprintf(stderr, "Can't bind socket\n");
122 exit(1);
123 }
124 if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
125 fprintf(stderr, "PR_GetSockName failed\n");
126 exit(1);
127 }
128 listenPort1 = PR_ntohs(addr.inet.port);
129 if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
130 fprintf(stderr, "Can't listen on a socket\n");
131 exit(1);
132 }
133
134 if ((listenSock2 = PR_NewTCPSocket()) == NULL) {
135 fprintf(stderr, "Can't create a new TCP socket\n");
136 exit(1);
137 }
138 addr.inet.family = PR_AF_INET;
139 addr.inet.ip = PR_htonl(PR_INADDR_ANY);
140 addr.inet.port = PR_htons(0);
141 if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
142 fprintf(stderr, "Can't bind socket\n");
143 exit(1);
144 }
145 if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
146 fprintf(stderr, "PR_GetSockName failed\n");
147 exit(1);
148 }
149 listenPort2 = PR_ntohs(addr.inet.port);
150 if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
151 fprintf(stderr, "Can't listen on a socket\n");
152 exit(1);
153 }
154 /* Set up the poll descriptor array */
155 pds = pds0;
156 other_pds = pds1;
157 memset(pds, 0, sizeof(pds));
158 npds = 0;
159 pds[npds].fd = listenSock1;
160 pds[npds].in_flags = PR_POLL_READ;
161 npds++;
162 pds[npds].fd = listenSock2;
163 pds[npds].in_flags = PR_POLL_READ;
164 npds++;
165
166 sd = socket(AF_INET, SOCK_STREAM, 0);
167 PR_ASSERT(sd >= 0);
168 memset((char *) &saddr, 0, sizeof(saddr));
169 saddr.sin_family = AF_INET;
170 saddr.sin_addr.s_addr = htonl(INADDR_ANY);
171 saddr.sin_port = htons(0);
172
173 rv = bind(sd, (struct sockaddr *)&saddr, sizeof(saddr));
174 PR_ASSERT(rv == 0);
175 saddr_len = sizeof(saddr);
176 rv = getsockname(sd, (struct sockaddr *) &saddr, &saddr_len);
177 PR_ASSERT(rv == 0);
178 listenPort3 = ntohs(saddr.sin_port);
179
180 rv = listen(sd, 5);
181 PR_ASSERT(rv == 0);
182 pds[npds].fd = socket_poll_fd = PR_CreateSocketPollFd(sd);
183 PR_ASSERT(pds[npds].fd);
184 pds[npds].in_flags = PR_POLL_READ;
185 npds++;
186 PR_snprintf(buf, sizeof(buf),
187 "The server thread is listening on ports %hu, %hu and %hu\n\n",
188 listenPort1, listenPort2, listenPort3);
189 printf("%s", buf);
190
191 /* Testing timeout */
192 printf("PR_Poll should time out in 5 seconds\n");
193 retVal = PR_Poll(pds, npds, PR_SecondsToInterval(5));
194 if (retVal != 0) {
195 PR_snprintf(buf, sizeof(buf),
196 "PR_Poll should time out and return 0, but it returns %ld\n",
197 retVal);
198 fprintf(stderr, "%s", buf);
199 exit(1);
200 }
201 printf("PR_Poll timed out. Test passed.\n\n");
202
203 /* Testing bad fd */
204 printf("PR_Poll should detect a bad file descriptor\n");
205 if ((badFD = PR_NewTCPSocket()) == NULL) {
206 fprintf(stderr, "Can't create a TCP socket\n");
207 exit(1);
208 }
209
210 pds[npds].fd = badFD;
211 pds[npds].in_flags = PR_POLL_READ;
212 npds++;
213 PR_Close(badFD); /* make the fd bad */
214#if 0
215 retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
216 if (retVal != 1 || (unsigned short) pds[2].out_flags != PR_POLL_NVAL) {
217 fprintf(stderr, "Failed to detect the bad fd: "
218 "PR_Poll returns %d, out_flags is 0x%hx\n",
219 retVal, pds[npds - 1].out_flags);
220 exit(1);
221 }
222 printf("PR_Poll detected the bad fd. Test passed.\n\n");
223#endif
224 npds--;
225
226 clientThread = PR_CreateThread(PR_USER_THREAD,
227 clientThreadFunc, (void *) listenPort1,
228 PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
229 PR_UNJOINABLE_THREAD, 0);
230 if (clientThread == NULL) {
231 fprintf(stderr, "can't create thread\n");
232 exit(1);
233 }
234
235 clientThread = PR_CreateThread(PR_USER_THREAD,
236 clientThreadFunc, (void *) listenPort2,
237 PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD,
238 PR_UNJOINABLE_THREAD, 0);
239 if (clientThread == NULL) {
240 fprintf(stderr, "can't create thread\n");
241 exit(1);
242 }
243
244 clientThread = PR_CreateThread(PR_USER_THREAD,
245 clientThreadFunc, (void *) listenPort3,
246 PR_PRIORITY_NORMAL, PR_GLOBAL_BOUND_THREAD,
247 PR_UNJOINABLE_THREAD, 0);
248 if (clientThread == NULL) {
249 fprintf(stderr, "can't create thread\n");
250 exit(1);
251 }
252
253
254 printf("Three client threads are created. Each of them will\n");
255 printf("send data to one of the three ports the server is listening on.\n");
256 printf("The data they send is the port number. Each of them send\n");
257 printf("the data five times, so you should see ten lines below,\n");
258 printf("interleaved in an arbitrary order.\n");
259
260 /* 30 events total */
261 i = 0;
262 while (i < 30) {
263 PRPollDesc *tmp;
264 int nextIndex;
265 int nEvents = 0;
266
267 retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
268 PR_ASSERT(retVal != 0); /* no timeout */
269 if (retVal == -1) {
270 fprintf(stderr, "PR_Poll failed\n");
271 exit(1);
272 }
273
274 nextIndex = 3;
275 /* the three listening sockets */
276 for (j = 0; j < 3; j++) {
277 other_pds[j] = pds[j];
278 PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
279 && (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
280 if (pds[j].out_flags & PR_POLL_READ) {
281 PRFileDesc *sock;
282
283 nEvents++;
284 if (j == 2) {
285 int newsd;
286 newsd = accept(PR_FileDesc2NativeHandle(pds[j].fd), NULL, 0);
287 if (newsd == -1) {
288 fprintf(stderr, "accept() failed\n");
289 exit(1);
290 }
291 other_pds[nextIndex].fd = PR_CreateSocketPollFd(newsd);
292 PR_ASSERT(other_pds[nextIndex].fd);
293 other_pds[nextIndex].in_flags = PR_POLL_READ;
294 } else {
295 sock = PR_Accept(pds[j].fd, NULL, PR_INTERVAL_NO_TIMEOUT);
296 if (sock == NULL) {
297 fprintf(stderr, "PR_Accept() failed\n");
298 exit(1);
299 }
300 other_pds[nextIndex].fd = sock;
301 other_pds[nextIndex].in_flags = PR_POLL_READ;
302 }
303 nextIndex++;
304 } else if (pds[j].out_flags & PR_POLL_ERR) {
305 fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
306 exit(1);
307 } else if (pds[j].out_flags & PR_POLL_NVAL) {
308 fprintf(stderr, "PR_Poll() indicates that fd %d is invalid\n",
309 PR_FileDesc2NativeHandle(pds[j].fd));
310 exit(1);
311 }
312 }
313
314 for (j = 3; j < npds; j++) {
315 PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
316 && (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
317 if (pds[j].out_flags & PR_POLL_READ) {
318 PRInt32 nBytes;
319
320 nEvents++;
321 /* XXX: This call is a hack and should be fixed */
322 if (PR_GetDescType(pds[j].fd) == (PRDescType) 0) {
323 nBytes = recv(PR_FileDesc2NativeHandle(pds[j].fd), buf,
324 sizeof(buf), 0);
325 if (nBytes == -1) {
326 fprintf(stderr, "recv() failed\n");
327 exit(1);
328 }
329 printf("Server read %d bytes from native fd %d\n",nBytes,
330 PR_FileDesc2NativeHandle(pds[j].fd));
331#ifdef WIN32
332 closesocket((SOCKET)PR_FileDesc2NativeHandle(pds[j].fd));
333#else
334 close(PR_FileDesc2NativeHandle(pds[j].fd));
335#endif
336 PR_DestroySocketPollFd(pds[j].fd);
337 } else {
338 nBytes = PR_Read(pds[j].fd, buf, sizeof(buf));
339 if (nBytes == -1) {
340 fprintf(stderr, "PR_Read() failed\n");
341 exit(1);
342 }
343 PR_Close(pds[j].fd);
344 }
345 /* Just to be safe */
346 buf[BUF_SIZE - 1] = '\0';
347 printf("The server received \"%s\" from a client\n", buf);
348 } else if (pds[j].out_flags & PR_POLL_ERR) {
349 fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
350 exit(1);
351 } else if (pds[j].out_flags & PR_POLL_NVAL) {
352 fprintf(stderr, "PR_Poll() indicates that an fd is invalid\n");
353 exit(1);
354 } else {
355 other_pds[nextIndex] = pds[j];
356 nextIndex++;
357 }
358 }
359
360 PR_ASSERT(retVal == nEvents);
361 /* swap */
362 tmp = pds;
363 pds = other_pds;
364 other_pds = tmp;
365 npds = nextIndex;
366 i += nEvents;
367 }
368 PR_DestroySocketPollFd(socket_poll_fd);
369
370 printf("All tests finished\n");
371 PR_Cleanup();
372 return 0;
373}
注意: 瀏覽 TracBrowser 來幫助您使用儲存庫瀏覽器

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette