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

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

nsprpub/pr/tests/prpoll.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/. */
 #ifdef WIN32
 #include <windows.h>
 #endif
 #ifdef XP_UNIX
 #include <unistd.h>  /* for close() */
 #endif
 #include "prinit.h"
 #include "prio.h"
 #include "prlog.h"
 #include "prprf.h"
 #include "prnetdb.h"
 #include "private/pprio.h"
 #define CLIENT_LOOPS	5
 #define BUF_SIZE		128
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #ifdef WINCE
 int main(int argc, char **argv)
 {
     fprintf(stderr, "Invalid/Broken Test for WinCE/WinMobile\n");
     exit(1);
 }
 #else
 static void
 clientThreadFunc(void *arg)
 {
     PRUint16 port = (PRUint16) arg;
     PRFileDesc *sock;
     PRNetAddr addr;
     char buf[BUF_SIZE];
     int i;
     addr.inet.family = PR_AF_INET;
     addr.inet.port = PR_htons(port);
     addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
     PR_snprintf(buf, sizeof(buf), "%hu", port);
     for (i = 0; i < 5; i++) {
 	sock = PR_NewTCPSocket();
         PR_Connect(sock, &addr, PR_INTERVAL_NO_TIMEOUT);
 	PR_Write(sock, buf, sizeof(buf));
 	PR_Close(sock);
     }
 }
 int main(int argc, char **argv)
 {
     PRFileDesc *listenSock1, *listenSock2;
     PRFileDesc *badFD;
     PRUint16 listenPort1, listenPort2;
     PRNetAddr addr;
     char buf[BUF_SIZE];
     PRThread *clientThread;
     PRPollDesc pds0[10], pds1[10], *pds, *other_pds;
     PRIntn npds;
     PRInt32 retVal;
     PRInt32 rv;
     PROsfd sd;
     struct sockaddr_in saddr;
     PRIntn saddr_len;
     PRUint16 listenPort3;
     PRFileDesc *socket_poll_fd;
     PRIntn i, j;
     PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
     PR_STDIO_INIT();
     printf("This program tests PR_Poll with sockets.\n");
     printf("Timeout, error reporting, and normal operation are tested.\n\n");
     /* Create two listening sockets */
     if ((listenSock1 = 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(listenSock1, &addr) == PR_FAILURE) {
 	fprintf(stderr, "Can't bind socket\n");
 	exit(1);
     }
     if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
 	fprintf(stderr, "PR_GetSockName failed\n");
 	exit(1);
     }
     listenPort1 = PR_ntohs(addr.inet.port);
     if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
 	fprintf(stderr, "Can't listen on a socket\n");
 	exit(1);
     }
     if ((listenSock2  = 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(listenSock2, &addr) == PR_FAILURE) {
 	fprintf(stderr, "Can't bind socket\n");
 	exit(1);
     }
     if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
 	fprintf(stderr, "PR_GetSockName failed\n");
 	exit(1);
     }
     listenPort2 = PR_ntohs(addr.inet.port);
     if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
 	fprintf(stderr, "Can't listen on a socket\n");
 	exit(1);
     }
     /* Set up the poll descriptor array */
     pds = pds0;
     other_pds = pds1;
     memset(pds, 0, sizeof(pds));
 	npds = 0;
     pds[npds].fd = listenSock1;
     pds[npds].in_flags = PR_POLL_READ;
 	npds++;
     pds[npds].fd = listenSock2;
     pds[npds].in_flags = PR_POLL_READ;
 	npds++;
 	sd = socket(AF_INET, SOCK_STREAM, 0);
 	PR_ASSERT(sd >= 0);
 	memset((char *) &saddr, 0, sizeof(saddr));
 	saddr.sin_family = AF_INET;
 	saddr.sin_addr.s_addr = htonl(INADDR_ANY);
 	saddr.sin_port = htons(0);
 	rv = bind(sd, (struct sockaddr *)&saddr, sizeof(saddr));
 	PR_ASSERT(rv == 0);
 	saddr_len = sizeof(saddr);
 	rv = getsockname(sd, (struct sockaddr *) &saddr, &saddr_len);
 	PR_ASSERT(rv == 0);
     listenPort3 = ntohs(saddr.sin_port);
 	rv = listen(sd, 5);
 	PR_ASSERT(rv == 0);
     pds[npds].fd = socket_poll_fd = PR_CreateSocketPollFd(sd);
 	PR_ASSERT(pds[npds].fd);
     pds[npds].in_flags = PR_POLL_READ;
     npds++;
     PR_snprintf(buf, sizeof(buf),
 	    "The server thread is listening on ports %hu, %hu and %hu\n\n",
 	    listenPort1, listenPort2, listenPort3);
     printf("%s", buf);
     /* Testing timeout */
     printf("PR_Poll should time out in 5 seconds\n");
     retVal = PR_Poll(pds, npds, PR_SecondsToInterval(5));
     if (retVal != 0) {
 	PR_snprintf(buf, sizeof(buf),
 		"PR_Poll should time out and return 0, but it returns %ld\n",
 		retVal);
 	fprintf(stderr, "%s", buf);
 	exit(1);
     }
     printf("PR_Poll timed out.  Test passed.\n\n");
     /* Testing bad fd */
     printf("PR_Poll should detect a bad file descriptor\n");
     if ((badFD = PR_NewTCPSocket()) == NULL) {
 	fprintf(stderr, "Can't create a TCP socket\n");
 	exit(1);
     }
     pds[npds].fd = badFD;
     pds[npds].in_flags = PR_POLL_READ;
     npds++;
     PR_Close(badFD);  /* make the fd bad */
 #if 0
     retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
     if (retVal != 1 || (unsigned short) pds[2].out_flags != PR_POLL_NVAL) {
 	fprintf(stderr, "Failed to detect the bad fd: "
 		"PR_Poll returns %d, out_flags is 0x%hx\n",
 		retVal, pds[npds - 1].out_flags);
 	exit(1);
     }
     printf("PR_Poll detected the bad fd.  Test passed.\n\n");
 #endif
     npds--;
     clientThread = PR_CreateThread(PR_USER_THREAD,
 	    clientThreadFunc, (void *) listenPort1,
 	    PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
 	    PR_UNJOINABLE_THREAD, 0);
     if (clientThread == NULL) {
 	fprintf(stderr, "can't create thread\n");
 	exit(1);
     }
     clientThread = PR_CreateThread(PR_USER_THREAD,
 	    clientThreadFunc, (void *) listenPort2,
 	    PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD,
 	    PR_UNJOINABLE_THREAD, 0);
     if (clientThread == NULL) {
 	fprintf(stderr, "can't create thread\n");
 	exit(1);
     }
     clientThread = PR_CreateThread(PR_USER_THREAD,
 	    clientThreadFunc, (void *) listenPort3,
 	    PR_PRIORITY_NORMAL, PR_GLOBAL_BOUND_THREAD,
 	    PR_UNJOINABLE_THREAD, 0);
     if (clientThread == NULL) {
 	fprintf(stderr, "can't create thread\n");
 	exit(1);
     }
     printf("Three client threads are created.  Each of them will\n");
     printf("send data to one of the three ports the server is listening on.\n");
     printf("The data they send is the port number.  Each of them send\n");
     printf("the data five times, so you should see ten lines below,\n");
     printf("interleaved in an arbitrary order.\n");
     /* 30 events total */
     i = 0;
     while (i < 30) {
 		PRPollDesc *tmp;
 		int nextIndex;
 		int nEvents = 0;
 		retVal = PR_Poll(pds, npds, PR_INTERVAL_NO_TIMEOUT);
 		PR_ASSERT(retVal != 0);  /* no timeout */
 		if (retVal == -1) {
 			fprintf(stderr, "PR_Poll failed\n");
 			exit(1);
 		}
 		nextIndex = 3;
 		/* the three listening sockets */
 		for (j = 0; j < 3; j++) {
 			other_pds[j] = pds[j];
 			PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
 				&& (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
 			if (pds[j].out_flags & PR_POLL_READ) {
 				PRFileDesc *sock;
 				nEvents++;
 				if (j == 2) {
 					PROsfd newsd;
 					newsd = accept(PR_FileDesc2NativeHandle(pds[j].fd), NULL, 0);
 					if (newsd == -1) {
 						fprintf(stderr, "accept() failed\n");
 						exit(1);
 					}
 					other_pds[nextIndex].fd  = PR_CreateSocketPollFd(newsd);
 					PR_ASSERT(other_pds[nextIndex].fd);
 					other_pds[nextIndex].in_flags = PR_POLL_READ;
 				} else {
 					sock = PR_Accept(pds[j].fd, NULL, PR_INTERVAL_NO_TIMEOUT);
 					if (sock == NULL) {
 						fprintf(stderr, "PR_Accept() failed\n");
 						exit(1);
 					}
 					other_pds[nextIndex].fd = sock;
 					other_pds[nextIndex].in_flags = PR_POLL_READ;
 				}
 				nextIndex++;
 			} else if (pds[j].out_flags & PR_POLL_ERR) {
 				fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
 				exit(1);
 			} else if (pds[j].out_flags & PR_POLL_NVAL) {
 				fprintf(stderr, "PR_Poll() indicates that fd %d is invalid\n",
 					PR_FileDesc2NativeHandle(pds[j].fd));
 				exit(1);
 			}
 		}
 		for (j = 3; j < npds; j++) {
 			PR_ASSERT((pds[j].out_flags & PR_POLL_WRITE) == 0
 				&& (pds[j].out_flags & PR_POLL_EXCEPT) == 0);
 			if (pds[j].out_flags & PR_POLL_READ) {
 				PRInt32 nBytes;
 				nEvents++;
 				/* XXX: This call is a hack and should be fixed */
 				if (PR_GetDescType(pds[j].fd) == (PRDescType) 0) {
 					nBytes = recv(PR_FileDesc2NativeHandle(pds[j].fd), buf,
 										sizeof(buf), 0);
 					if (nBytes == -1) {
 						fprintf(stderr, "recv() failed\n");
 						exit(1);
 					}
 					printf("Server read %d bytes from native fd %d\n",nBytes,
 										PR_FileDesc2NativeHandle(pds[j].fd));
 #ifdef WIN32
 					closesocket((SOCKET)PR_FileDesc2NativeHandle(pds[j].fd));
 #else
 					close(PR_FileDesc2NativeHandle(pds[j].fd));
 #endif
 					PR_DestroySocketPollFd(pds[j].fd);
 				} else {
 					nBytes = PR_Read(pds[j].fd, buf, sizeof(buf));
 					if (nBytes == -1) {
 						fprintf(stderr, "PR_Read() failed\n");
 						exit(1);
 					}
 					PR_Close(pds[j].fd);
 				}
 				/* Just to be safe */
 				buf[BUF_SIZE - 1] = '\0';
 				printf("The server received \"%s\" from a client\n", buf);
 			} else if (pds[j].out_flags & PR_POLL_ERR) {
 				fprintf(stderr, "PR_Poll() indicates that an fd has error\n");
 				exit(1);
 			} else if (pds[j].out_flags & PR_POLL_NVAL) {
 				fprintf(stderr, "PR_Poll() indicates that an fd is invalid\n");
 				exit(1);
 			} else {
 				other_pds[nextIndex] = pds[j];
 				nextIndex++;
 			}
 		}
 		PR_ASSERT(retVal == nEvents);
 		/* swap */
 		tmp = pds;
 		pds = other_pds;
 		other_pds = tmp;
 		npds = nextIndex;
 		i += nEvents;
     }
     PR_DestroySocketPollFd(socket_poll_fd);
     printf("All tests finished\n");
     PR_Cleanup();
     return 0;
 }
 #endif   /* ifdef WINCE */

The Tor Browser / annotate

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

nsprpub/pr/tests/prpoll.c