nsprpub/pr/tests/nonblock.c@44a2da4a2ab2
nsprpub/pr/tests/nonblock.c
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "nspr.h"
7 #include "prio.h"
8 #include "prerror.h"
9 #include "prlog.h"
10 #include "prprf.h"
11 #include "prnetdb.h"
12 #include "plerror.h"
13 #include "obsolete/probslet.h"
15 #include <stdio.h>
16 #include <string.h>
17 #include <stdlib.h>
19 #define NUMBER_ROUNDS 5
21 #if defined(WIN16)
22 /*
23 ** Make win16 unit_time interval 300 milliseconds, others get 100
24 */
25 #define UNIT_TIME 200 /* unit time in milliseconds */
26 #elif defined(SYMBIAN)
27 #define UNIT_TIME 5000 /* unit time in milliseconds */
28 #else
29 #define UNIT_TIME 100 /* unit time in milliseconds */
30 #endif
31 #define CHUNK_SIZE 10
32 #undef USE_PR_SELECT /* If defined, we use PR_Select.
33 * If not defined, use PR_Poll instead. */
35 #if defined(USE_PR_SELECT)
36 #include "pprio.h"
37 #endif
39 static void PR_CALLBACK
40 clientThreadFunc(void *arg)
41 {
42 PRUintn port = (PRUintn)arg;
43 PRFileDesc *sock;
44 PRNetAddr addr;
45 char buf[CHUNK_SIZE];
46 int i;
47 PRIntervalTime unitTime = PR_MillisecondsToInterval(UNIT_TIME);
48 PRSocketOptionData optval;
49 PRStatus retVal;
50 PRInt32 nBytes;
52 /* Initialize the buffer so that Purify won't complain */
53 memset(buf, 0, sizeof(buf));
55 addr.inet.family = PR_AF_INET;
56 addr.inet.port = PR_htons((PRUint16)port);
57 addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
58 PR_snprintf(buf, sizeof(buf), "%hu", addr.inet.ip);
60 /* time 1 */
61 PR_Sleep(unitTime);
62 sock = PR_NewTCPSocket();
63 optval.option = PR_SockOpt_Nonblocking;
64 optval.value.non_blocking = PR_TRUE;
65 PR_SetSocketOption(sock, &optval);
66 retVal = PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
67 if (retVal == PR_FAILURE && PR_GetError() == PR_IN_PROGRESS_ERROR) {
68 #if !defined(USE_PR_SELECT)
69 PRPollDesc pd;
70 PRInt32 n;
71 fprintf(stderr, "connect: EWOULDBLOCK, good\n");
72 pd.fd = sock;
73 pd.in_flags = PR_POLL_WRITE;
74 n = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
75 PR_ASSERT(n == 1);
76 PR_ASSERT(pd.out_flags == PR_POLL_WRITE);
77 #else
78 PR_fd_set writeSet;
79 PRInt32 n;
80 fprintf(stderr, "connect: EWOULDBLOCK, good\n");
81 PR_FD_ZERO(&writeSet);
82 PR_FD_SET(sock, &writeSet);
83 n = PR_Select(0, NULL, &writeSet, NULL, PR_INTERVAL_NO_TIMEOUT);
84 PR_ASSERT(n == 1);
85 PR_ASSERT(PR_FD_ISSET(sock, &writeSet));
86 #endif
87 }
88 printf("client connected\n");
89 fflush(stdout);
91 /* time 4, 7, 11, etc. */
92 for (i = 0; i < NUMBER_ROUNDS; i++) {
93 PR_Sleep(3 * unitTime);
94 nBytes = PR_Write(sock, buf, sizeof(buf));
95 if (nBytes == -1) {
96 if (PR_GetError() == PR_WOULD_BLOCK_ERROR) {
97 fprintf(stderr, "write: EWOULDBLOCK\n");
98 exit(1);
99 } else {
100 fprintf(stderr, "write: failed\n");
101 }
102 }
103 printf("client sent %d bytes\n", nBytes);
104 fflush(stdout);
105 }
107 PR_Close(sock);
108 }
110 static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv )
111 {
112 PRFileDesc *listenSock, *sock;
113 PRUint16 listenPort;
114 PRNetAddr addr;
115 char buf[CHUNK_SIZE];
116 PRThread *clientThread;
117 PRInt32 retVal;
118 PRSocketOptionData optval;
119 PRIntn i;
120 PRIntervalTime unitTime = PR_MillisecondsToInterval(UNIT_TIME);
122 /* Create a listening socket */
123 if ((listenSock = PR_NewTCPSocket()) == NULL) {
124 fprintf(stderr, "Can't create a new TCP socket\n");
125 exit(1);
126 }
127 addr.inet.family = PR_AF_INET;
128 addr.inet.ip = PR_htonl(PR_INADDR_ANY);
129 addr.inet.port = PR_htons(0);
130 if (PR_Bind(listenSock, &addr) == PR_FAILURE) {
131 fprintf(stderr, "Can't bind socket\n");
132 exit(1);
133 }
134 if (PR_GetSockName(listenSock, &addr) == PR_FAILURE) {
135 fprintf(stderr, "PR_GetSockName failed\n");
136 exit(1);
137 }
138 listenPort = PR_ntohs(addr.inet.port);
139 if (PR_Listen(listenSock, 5) == PR_FAILURE) {
140 fprintf(stderr, "Can't listen on a socket\n");
141 exit(1);
142 }
144 PR_snprintf(buf, sizeof(buf),
145 "The server thread is listening on port %hu\n\n",
146 listenPort);
147 printf("%s", buf);
149 clientThread = PR_CreateThread(PR_USER_THREAD,
150 clientThreadFunc, (void *) listenPort,
151 PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
152 PR_UNJOINABLE_THREAD, 0);
153 if (clientThread == NULL) {
154 fprintf(stderr, "can't create thread\n");
155 exit(1);
156 }
158 printf("client thread created.\n");
160 optval.option = PR_SockOpt_Nonblocking;
161 optval.value.non_blocking = PR_TRUE;
162 PR_SetSocketOption(listenSock, &optval);
163 /* time 0 */
164 sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
165 if (sock != NULL || PR_GetError() != PR_WOULD_BLOCK_ERROR) {
166 PL_PrintError("First Accept\n");
167 fprintf(stderr, "First PR_Accept() xxx\n" );
168 exit(1);
169 }
170 printf("accept: EWOULDBLOCK, good\n");
171 fflush(stdout);
172 /* time 2 */
173 PR_Sleep(2 * unitTime);
174 sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
175 if (sock == NULL) {
176 PL_PrintError("Second Accept\n");
177 fprintf(stderr, "Second PR_Accept() failed: (%d, %d)\n",
178 PR_GetError(), PR_GetOSError());
179 exit(1);
180 }
181 printf("accept: succeeded, good\n");
182 fflush(stdout);
183 PR_Close(listenSock);
185 PR_SetSocketOption(sock, &optval);
187 /* time 3, 5, 6, 8, etc. */
188 for (i = 0; i < NUMBER_ROUNDS; i++) {
189 PR_Sleep(unitTime);
190 retVal = PR_Recv(sock, buf, sizeof(buf), 0, PR_INTERVAL_NO_TIMEOUT);
191 if (retVal != -1 || PR_GetError() != PR_WOULD_BLOCK_ERROR) {
192 PL_PrintError("First Receive:\n");
193 fprintf(stderr, "First PR_Recv: retVal: %ld, Error: %ld\n",
194 retVal, PR_GetError());
195 exit(1);
196 }
197 printf("read: EWOULDBLOCK, good\n");
198 fflush(stdout);
199 PR_Sleep(2 * unitTime);
200 retVal = PR_Recv(sock, buf, sizeof(buf), 0, PR_INTERVAL_NO_TIMEOUT);
201 if (retVal != CHUNK_SIZE) {
202 PL_PrintError("Second Receive:\n");
203 fprintf(stderr, "Second PR_Recv: retVal: %ld, Error: %ld\n",
204 retVal, PR_GetError());
205 exit(1);
206 }
207 printf("read: %d bytes, good\n", retVal);
208 fflush(stdout);
209 }
210 PR_Close(sock);
212 printf("All tests finished\n");
213 printf("PASS\n");
214 return 0;
215 }
217 int main(int argc, char **argv)
218 {
219 PRIntn rv;
221 PR_STDIO_INIT();
222 rv = PR_Initialize(RealMain, argc, argv, 0);
223 return rv;
224 } /* main */
