The Tor Browser: nsprpub/pr/tests/nonblock.c@6474c204b198 (annotated)

nsprpub/pr/tests/nonblock.c@6474c204b198 (annotated)

nsprpub/pr/tests/nonblock.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "nspr.h"
 #include "prio.h"
 #include "prerror.h"
 #include "prlog.h"
 #include "prprf.h"
 #include "prnetdb.h"
 #include "plerror.h"
 #include "obsolete/probslet.h"
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #define NUMBER_ROUNDS 5
 #if defined(WIN16)
 /*
 ** Make win16 unit_time interval 300 milliseconds, others get 100
 */
 #define UNIT_TIME  200       /* unit time in milliseconds */
 #elif defined(SYMBIAN)
 #define UNIT_TIME  5000      /* unit time in milliseconds */
 #else
 #define UNIT_TIME  100       /* unit time in milliseconds */
 #endif
 #define CHUNK_SIZE 10
 #undef USE_PR_SELECT         /* If defined, we use PR_Select.
                               * If not defined, use PR_Poll instead. */
 #if defined(USE_PR_SELECT)
 #include "pprio.h"
 #endif
 static void PR_CALLBACK
 clientThreadFunc(void *arg)
 {
     PRUintn port = (PRUintn)arg;
     PRFileDesc *sock;
     PRNetAddr addr;
     char buf[CHUNK_SIZE];
     int i;
     PRIntervalTime unitTime = PR_MillisecondsToInterval(UNIT_TIME);
     PRSocketOptionData optval;
     PRStatus retVal;
     PRInt32 nBytes;
     /* Initialize the buffer so that Purify won't complain */
     memset(buf, 0, sizeof(buf));
     addr.inet.family = PR_AF_INET;
     addr.inet.port = PR_htons((PRUint16)port);
     addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
     PR_snprintf(buf, sizeof(buf), "%hu", addr.inet.ip);
     /* time 1 */
     PR_Sleep(unitTime);
     sock = PR_NewTCPSocket();
     optval.option = PR_SockOpt_Nonblocking;
     optval.value.non_blocking = PR_TRUE;
     PR_SetSocketOption(sock, &optval);
     retVal = PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
     if (retVal == PR_FAILURE && PR_GetError() == PR_IN_PROGRESS_ERROR) {
 #if !defined(USE_PR_SELECT)
 	PRPollDesc pd;
 	PRInt32 n;
 	fprintf(stderr, "connect: EWOULDBLOCK, good\n");
 	pd.fd = sock;
 	pd.in_flags = PR_POLL_WRITE;
 	n = PR_Poll(&pd, 1, PR_INTERVAL_NO_TIMEOUT);
 	PR_ASSERT(n == 1);
         PR_ASSERT(pd.out_flags == PR_POLL_WRITE);
 #else
         PR_fd_set writeSet;
         PRInt32 n;
         fprintf(stderr, "connect: EWOULDBLOCK, good\n");
         PR_FD_ZERO(&writeSet);
         PR_FD_SET(sock, &writeSet);
         n = PR_Select(0, NULL, &writeSet, NULL, PR_INTERVAL_NO_TIMEOUT);
         PR_ASSERT(n == 1);
         PR_ASSERT(PR_FD_ISSET(sock, &writeSet));
 #endif
     }
     printf("client connected\n");
     fflush(stdout);
     /* time 4, 7, 11, etc. */
     for (i = 0; i < NUMBER_ROUNDS; i++) {
         PR_Sleep(3 * unitTime);
     	nBytes = PR_Write(sock, buf, sizeof(buf));
 	    if (nBytes == -1) {
 	    if (PR_GetError() == PR_WOULD_BLOCK_ERROR) {
 		fprintf(stderr, "write: EWOULDBLOCK\n");
 		exit(1);
             } else {
 		fprintf(stderr, "write: failed\n");
             }
 	}
 	printf("client sent %d bytes\n", nBytes);
 	fflush(stdout);
     }
     PR_Close(sock);
 }
 static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv )
 {
     PRFileDesc *listenSock, *sock;
     PRUint16 listenPort;
     PRNetAddr addr;
     char buf[CHUNK_SIZE];
     PRThread *clientThread;
     PRInt32 retVal;
     PRSocketOptionData optval;
     PRIntn i;
     PRIntervalTime unitTime = PR_MillisecondsToInterval(UNIT_TIME);
     /* Create a listening socket */
     if ((listenSock = PR_NewTCPSocket()) == NULL) {
 	fprintf(stderr, "Can't create a new TCP socket\n");
 	exit(1);
     }
     addr.inet.family = PR_AF_INET;
     addr.inet.ip = PR_htonl(PR_INADDR_ANY);
     addr.inet.port = PR_htons(0);
     if (PR_Bind(listenSock, &addr) == PR_FAILURE) {
 	fprintf(stderr, "Can't bind socket\n");
 	exit(1);
     }
     if (PR_GetSockName(listenSock, &addr) == PR_FAILURE) {
 	fprintf(stderr, "PR_GetSockName failed\n");
 	exit(1);
     }
     listenPort = PR_ntohs(addr.inet.port);
     if (PR_Listen(listenSock, 5) == PR_FAILURE) {
 	fprintf(stderr, "Can't listen on a socket\n");
 	exit(1);
     }
     PR_snprintf(buf, sizeof(buf),
 	    "The server thread is listening on port %hu\n\n",
 	    listenPort);
     printf("%s", buf);
     clientThread = PR_CreateThread(PR_USER_THREAD,
 	    clientThreadFunc, (void *) listenPort,
 	    PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
 	    PR_UNJOINABLE_THREAD, 0);
     if (clientThread == NULL) {
 	fprintf(stderr, "can't create thread\n");
 	exit(1);
     }
     printf("client thread created.\n");
     optval.option = PR_SockOpt_Nonblocking;
     optval.value.non_blocking = PR_TRUE;
     PR_SetSocketOption(listenSock, &optval);
     /* time 0 */
     sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
     if (sock != NULL || PR_GetError() != PR_WOULD_BLOCK_ERROR) {
         PL_PrintError("First Accept\n");
         fprintf(stderr, "First PR_Accept() xxx\n" );
 		    exit(1);
     }
     printf("accept: EWOULDBLOCK, good\n");
     fflush(stdout);
     /* time 2 */
     PR_Sleep(2 * unitTime);
     sock = PR_Accept(listenSock, NULL, PR_INTERVAL_NO_TIMEOUT);
     if (sock == NULL) {
         PL_PrintError("Second Accept\n");
         fprintf(stderr, "Second PR_Accept() failed: (%d, %d)\n",
                 PR_GetError(), PR_GetOSError());
 		    exit(1);
     }
     printf("accept: succeeded, good\n");
     fflush(stdout);
     PR_Close(listenSock);
     PR_SetSocketOption(sock, &optval);
     /* time 3, 5, 6, 8, etc. */
     for (i = 0; i < NUMBER_ROUNDS; i++) {
 	PR_Sleep(unitTime);
 	retVal = PR_Recv(sock, buf, sizeof(buf), 0, PR_INTERVAL_NO_TIMEOUT);
 	if (retVal != -1 || PR_GetError() != PR_WOULD_BLOCK_ERROR) {
         PL_PrintError("First Receive:\n");
 	    fprintf(stderr, "First PR_Recv: retVal: %ld, Error: %ld\n",
             retVal, PR_GetError());
 	    exit(1);
         }
 	printf("read: EWOULDBLOCK, good\n");
 	fflush(stdout);
 	PR_Sleep(2 * unitTime);
 	retVal = PR_Recv(sock, buf, sizeof(buf), 0, PR_INTERVAL_NO_TIMEOUT);
 	if (retVal != CHUNK_SIZE) {
         PL_PrintError("Second Receive:\n");
 	    fprintf(stderr, "Second PR_Recv: retVal: %ld, Error: %ld\n",
             retVal, PR_GetError());
 	    exit(1);
         }
 	printf("read: %d bytes, good\n", retVal);
 	fflush(stdout);
     }
     PR_Close(sock);
     printf("All tests finished\n");
     printf("PASS\n");
     return 0;
 }
 int main(int argc, char **argv)
 {
     PRIntn rv;
     PR_STDIO_INIT();
     rv = PR_Initialize(RealMain, argc, argv, 0);
     return rv;
 }  /* main */

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nsprpub/pr/tests/nonblock.c@6474c204b198 (annotated)

nsprpub/pr/tests/nonblock.c