Пример #1
0
NSAPI_PUBLIC int net_select(int nfds, fd_set *r, fd_set *w, fd_set *e,
                            struct timeval *timeout)
{
    /* this is ugly */
    PR_fd_set rd, wr, ex;
    int index;
    int rv;

    if (nfds > (64*1024))
        return -1;

    PR_FD_ZERO(&rd);
    PR_FD_ZERO(&wr);
    PR_FD_ZERO(&ex);

    for (index=0; index<nfds; index++) {
        if (FD_ISSET(index, r)) 
            PR_FD_NSET(index, &rd);
        if (FD_ISSET(index, w)) 
            PR_FD_NSET(index, &wr);
        if (FD_ISSET(index, e)) 
            PR_FD_NSET(index, &ex);
    }

    rv = PR_Select(0, &rd, &wr, &ex, PR_SecondsToInterval(timeout->tv_sec));
    if (rv > 0) {
        FD_ZERO(r);
        FD_ZERO(w);
        FD_ZERO(e);
        for (index=0; index<nfds; index++) {
            if (PR_FD_NISSET(index, &rd)) 
                FD_SET(index, r);
            if (PR_FD_NISSET(index, &wr)) 
                FD_SET(index, w);
            if (PR_FD_NISSET(index, &ex)) 
                FD_SET(index, e);
        }
    }

    return rv;
}
Пример #2
0
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);
    PRIntn optval = 1;
    PRStatus retVal;
    PRInt32 nBytes;

    addr.inet.family = AF_INET;
    addr.inet.port = PR_htons((PRUint16)port);
    addr.inet.ip = PR_htonl(INADDR_LOOPBACK);
    PR_snprintf(buf, sizeof(buf), "%hu", addr.inet.ip);

    /* time 1 */
    PR_Sleep(unitTime);
    sock = PR_NewTCPSocket();
    PR_SetSockOpt(sock, PR_SockOpt_Nonblocking, &optval, sizeof(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);
}
Пример #3
0
int main(int argc, char **argv)
#endif
{
    PRFileDesc *listenSock1, *listenSock2;
    PRUint16 listenPort1, listenPort2;
    PRNetAddr addr;
    PR_fd_set readFdSet;
    char buf[128];
    PRInt32 retVal;

	/* The command line argument: -d is used to determine if the test is being run
	in debug mode. The regress tool requires only one line output:PASS or FAIL.
	All of the printfs associated with this test has been handled with a if (debug_mode)
	test.
	Usage: test_name -d
	*/
	PLOptStatus os;
	PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
	while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
    {
		if (PL_OPT_BAD == os) continue;
        switch (opt->option)
        {
        case 'd':  /* debug mode */
			debug_mode = 1;
            break;
         default:
            break;
        }
    }
	PL_DestroyOptState(opt);

 /* main test */
	
    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
    PR_STDIO_INIT();

    if (debug_mode) {
		printf("This program tests PR_Select with sockets.  Timeout \n");
		printf("operations are tested.\n\n");
	}

    /* Create two listening sockets */
    if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
	fprintf(stderr, "Can't create a new TCP socket\n");
	failed_already=1;
	goto exit_now;
    }
    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");
	failed_already=1;
	goto exit_now;
    }
    if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
	fprintf(stderr, "PR_GetSockName failed\n");
	failed_already=1;
	goto exit_now;
    }
    listenPort1 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
	fprintf(stderr, "Can't listen on a socket\n");
	failed_already=1;
	goto exit_now;
    }

    if ((listenSock2  = PR_NewTCPSocket()) == NULL) {
	fprintf(stderr, "Can't create a new TCP socket\n");
	failed_already=1;
	goto exit_now;
    }
    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");
	failed_already=1;
	goto exit_now;
    }
    if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
	fprintf(stderr, "PR_GetSockName failed\n");
	failed_already=1;
	goto exit_now;
    }
    listenPort2 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
	fprintf(stderr, "Can't listen on a socket\n");
	failed_already=1;
	goto exit_now;
    }
    PR_snprintf(buf, sizeof(buf),
	    "The server thread is listening on ports %hu and %hu\n\n",
	    listenPort1, listenPort2);
    if (debug_mode) printf("%s", buf);

    /* Set up the fd set */
    PR_FD_ZERO(&readFdSet);
    PR_FD_SET(listenSock1, &readFdSet);
    PR_FD_SET(listenSock2, &readFdSet);

    /* Testing timeout */
    if (debug_mode) printf("PR_Select should time out in 5 seconds\n");
    retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
	    PR_SecondsToInterval(5));
    if (retVal != 0) {
	PR_snprintf(buf, sizeof(buf),
		"PR_Select should time out and return 0, but it returns %ld\n",
		retVal);
	fprintf(stderr, "%s", buf);
	if (retVal == -1) {
	    fprintf(stderr, "Error %d, oserror %d\n", PR_GetError(),
		    PR_GetOSError());
			failed_already=1;
	}
	goto exit_now;
    }
    if (debug_mode) printf("PR_Select timed out.  Test passed.\n\n");

    PR_Cleanup();

exit_now:
	if(failed_already)	
		return 1;
	else
		return 0;
}
Пример #4
0
static void PRSelectTest(void)
{
    PRFileDesc *listenSocket;
    PRNetAddr serverAddr;

    if ( (listenSocket = PR_NewTCPSocket()) == NULL) {
        if (debug_mode) printf("\tServer error creating listen socket\n");
        return;
    }

    memset(&serverAddr, 0, sizeof(PRNetAddr));
    serverAddr.inet.family = AF_INET;
    serverAddr.inet.port = PR_htons(PORT);
    serverAddr.inet.ip = PR_htonl(INADDR_ANY);

    if ( PR_Bind(listenSocket, &serverAddr) == PR_FAILURE) {
        if (debug_mode) printf("\tServer error binding to server address\n");
        PR_Close(listenSocket);
        return;
    }

    if ( PR_Listen(listenSocket, 128) == PR_FAILURE) {
        if (debug_mode) printf("\tServer error listening to server socket\n");
        PR_Close(listenSocket);
        return;
    }
    if (debug_mode) printf("Listening on port %d\n", PORT);

    {
        PRFileDesc *newSock;
        PRNetAddr rAddr;
        PRInt32 loops = 0;
        PR_fd_set rdset;
        PRInt32 rv;
        PRInt32 bytesRead;
        char buf[11];

        loops++;

        if (debug_mode) printf("Going into accept\n"); 

        newSock = PR_Accept(listenSocket, 
                              &rAddr,
                              PR_INTERVAL_NO_TIMEOUT);

	if (newSock) {
            if (debug_mode) printf("Got connection!\n");
        } else {
	    if (debug_mode) printf("PR_Accept failed: error code %d\n", PR_GetError());
		else Test_Result (FAIL);
        }

        PR_FD_ZERO(&rdset);
        PR_FD_SET(newSock, &rdset);

        if (debug_mode) printf("Going into select \n");

        rv = PR_Select(0, &rdset, 0, 0, PR_INTERVAL_NO_TIMEOUT);

        if (debug_mode) printf("return from select is %d\n", rv);

        if (PR_FD_ISSET(newSock, &rdset)) {
            if (debug_mode) printf("I can't believe it- the socket is ready okay!\n");
        } else {
            if (debug_mode) printf("Damn; the select test failed...\n");
			else Test_Result (FAIL);
        }

        strcpy(buf, "XXXXXXXXXX");
        bytesRead = PR_Recv(newSock, buf, 10, 0, PR_INTERVAL_NO_TIMEOUT);
	buf[10] = '\0';

        if (debug_mode) printf("Recv completed with %d bytes, %s\n", bytesRead, buf);

        PR_Close(newSock);
    }

}
Пример #5
0
int main(int argc, char **argv)
{
    PRFileDesc *listenSock1, *listenSock2;
    PRFileDesc *fds0[10], *fds1[10], **fds, **other_fds;
    PRIntn nfds;
    PRUint16 listenPort1, listenPort2;
    PRNetAddr addr;
    PR_fd_set readFdSet;
    char buf[128];
    PRThread *clientThread;
    PRInt32 retVal;
    PRIntn i, j;

	/* The command line argument: -d is used to determine if the test is being run
	in debug mode. The regress tool requires only one line output:PASS or FAIL.
	All of the printfs associated with this test has been handled with a if (debug_mode)
	test.
	Usage: test_name -d
	*/
	PLOptStatus os;
	PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
	while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
    {
		if (PL_OPT_BAD == os) continue;
        switch (opt->option)
        {
        case 'd':  /* debug mode */
			debug_mode = 1;
            break;
         default:
            break;
        }
    }
	PL_DestroyOptState(opt);

 /* main test */
	
    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
    PR_STDIO_INIT();

    if (debug_mode) {
		printf("This program tests PR_Select with sockets.  \n");
		printf(" 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");
	failed_already=1;
	goto exit_now;
    }
    addr.inet.family = AF_INET;
    addr.inet.ip = PR_htonl(INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
	fprintf(stderr, "Can't bind socket\n");
	failed_already=1;
	goto exit_now;
    }
    if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
	fprintf(stderr, "PR_GetSockName failed\n");
	failed_already=1;
	goto exit_now;
    }
    listenPort1 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
	fprintf(stderr, "Can't listen on a socket\n");
	failed_already=1;
	goto exit_now;
    }

    if ((listenSock2  = PR_NewTCPSocket()) == NULL) {
	fprintf(stderr, "Can't create a new TCP socket\n");
	failed_already=1;
	goto exit_now;
    }
    addr.inet.family = AF_INET;
    addr.inet.ip = PR_htonl(INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
	fprintf(stderr, "Can't bind socket\n");
	failed_already=1;
	goto exit_now;
    }
    if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
	fprintf(stderr, "PR_GetSockName failed\n");
	failed_already=1;
	goto exit_now;
    }
    listenPort2 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
	fprintf(stderr, "Can't listen on a socket\n");
failed_already=1;
	goto exit_now;
    }
    PR_snprintf(buf, sizeof(buf),
	    "The server thread is listening on ports %hu and %hu\n\n",
	    listenPort1, listenPort2);
    if (debug_mode) printf("%s", buf);

    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");
	failed_already=1;
	goto exit_now;
    }

    clientThread = PR_CreateThread(PR_USER_THREAD,
	    clientThreadFunc, (void *) listenPort2,
	    PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
	    PR_UNJOINABLE_THREAD, 0);
    if (clientThread == NULL) {
	fprintf(stderr, "can't create thread\n");
	failed_already=1;
	goto exit_now;
    }

    if (debug_mode) {
		printf("Two client threads are created.  Each of them will\n");
		printf("send data to one of the two 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");
	}
    /* set up the fd array */
    fds = fds0;
    other_fds = fds1;
    fds[0] = listenSock1;
    fds[1] = listenSock2;
    nfds = 2;
    /* Set up the fd set */
    PR_FD_ZERO(&readFdSet);
    PR_FD_SET(listenSock1, &readFdSet);
    PR_FD_SET(listenSock2, &readFdSet);

    /* 20 events total */
    i = 0;
    while (i < 20) {
	PRFileDesc **tmp;
	int nextIndex;
	int nEvents = 0;

	retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
		PR_INTERVAL_NO_TIMEOUT);
	PR_ASSERT(retVal != 0);  /* no timeout */
	if (retVal == -1) {
	    fprintf(stderr, "PR_Select failed (%d, %d)\n", PR_GetError(),
		    PR_GetOSError());
	failed_already=1;
	    goto exit_now;
	}

	nextIndex = 2;
	/* the two listening sockets */
	for (j = 0; j < 2; j++) {
	    other_fds[j] = fds[j];
	    if (PR_FD_ISSET(fds[j], &readFdSet)) {
		PRFileDesc *sock;

		nEvents++;
		sock = PR_Accept(fds[j], NULL, PR_INTERVAL_NO_TIMEOUT);
		if (sock == NULL) {
		    fprintf(stderr, "PR_Accept() failed\n");
		failed_already=1;
		    goto exit_now;
		}
		other_fds[nextIndex] = sock;
		PR_FD_SET(sock, &readFdSet);
		nextIndex++;
	    }
	    PR_FD_SET(fds[j], &readFdSet);
	}

	for (j = 2; j < nfds; j++) {
	    if (PR_FD_ISSET(fds[j], &readFdSet)) {
		PRInt32 nBytes;

		PR_FD_CLR(fds[j], &readFdSet);
		nEvents++;
		nBytes = PR_Read(fds[j], buf, sizeof(buf));
		if (nBytes == -1) {
		    fprintf(stderr, "PR_Read() failed\n");
		failed_already=1;
		    goto exit_now;
		}
		/* Just to be safe */
		buf[127] = '\0';
		PR_Close(fds[j]);
		if (debug_mode) printf("The server received \"%s\" from a client\n", buf);
	    } else {
		PR_FD_SET(fds[j], &readFdSet);
		other_fds[nextIndex] = fds[j];
		nextIndex++;
	    }
	}

	PR_ASSERT(retVal == nEvents);
	/* swap */
	tmp = fds;
	fds = other_fds;
	other_fds = tmp;
	nfds = nextIndex;
	i += nEvents;
    }

    if (debug_mode) printf("Test passed\n");

    PR_Cleanup();
	goto exit_now;
exit_now:
	if(failed_already)	
		return 1;
	else
		return 0;
}
Пример #6
0
int main(int argc, char **argv)
{
    PRFileDesc *listenSock1, *listenSock2;
    PRFileDesc *badFD;
    PRUint16 listenPort1, listenPort2;
    PRNetAddr addr;
    PR_fd_set readFdSet;
    char buf[128];
    PRInt32 retVal;

	/* The command line argument: -d is used to determine if the test is being run
	in debug mode. The regress tool requires only one line output:PASS or FAIL.
	All of the printfs associated with this test has been handled with a if (debug_mode)
	test.
	Usage: test_name -d
	*/
	PLOptStatus os;
	PLOptState *opt = PL_CreateOptState(argc, argv, "d:");
	while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
    {
		if (PL_OPT_BAD == os) continue;
        switch (opt->option)
        {
        case 'd':  /* debug mode */
			debug_mode = 1;
            break;
         default:
            break;
        }
    }
	PL_DestroyOptState(opt);

 /* main test */
	
    PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
    PR_STDIO_INIT();

    if (debug_mode) {
		printf("This program tests PR_Select with sockets.  Error\n");
		printf("reporting operations are tested.\n\n");
	}

    /* Create two listening sockets */
    if ((listenSock1 = PR_NewTCPSocket()) == NULL) {
	fprintf(stderr, "Can't create a new TCP socket\n");
	failed_already=1;
	goto exit_now;
    }
    addr.inet.family = AF_INET;
    addr.inet.ip = PR_htonl(INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock1, &addr) == PR_FAILURE) {
	fprintf(stderr, "Can't bind socket\n");
	failed_already=1;
	goto exit_now;
    }
    if (PR_GetSockName(listenSock1, &addr) == PR_FAILURE) {
	fprintf(stderr, "PR_GetSockName failed\n");
	failed_already=1;
	goto exit_now;
    }
    listenPort1 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock1, 5) == PR_FAILURE) {
	fprintf(stderr, "Can't listen on a socket\n");
	failed_already=1;
	goto exit_now;
    }

    if ((listenSock2  = PR_NewTCPSocket()) == NULL) {
	fprintf(stderr, "Can't create a new TCP socket\n");
	failed_already=1;
	goto exit_now;
    }
    addr.inet.family = AF_INET;
    addr.inet.ip = PR_htonl(INADDR_ANY);
    addr.inet.port = PR_htons(0);
    if (PR_Bind(listenSock2, &addr) == PR_FAILURE) {
	fprintf(stderr, "Can't bind socket\n");
	failed_already=1;
	goto exit_now;
    }
    if (PR_GetSockName(listenSock2, &addr) == PR_FAILURE) {
	fprintf(stderr, "PR_GetSockName failed\n");
	failed_already=1;
	goto exit_now;
    }
    listenPort2 = PR_ntohs(addr.inet.port);
    if (PR_Listen(listenSock2, 5) == PR_FAILURE) {
	fprintf(stderr, "Can't listen on a socket\n");
	failed_already=1;
	goto exit_now;
    }
    PR_snprintf(buf, sizeof(buf),
	    "The server thread is listening on ports %hu and %hu\n\n",
	    listenPort1, listenPort2);
    if (debug_mode) printf("%s", buf);

    /* Set up the fd set */
    PR_FD_ZERO(&readFdSet);
    PR_FD_SET(listenSock1, &readFdSet);
    PR_FD_SET(listenSock2, &readFdSet);


    /* Testing bad fd */
    if (debug_mode) printf("PR_Select should detect a bad file descriptor\n");
    if ((badFD = PR_NewTCPSocket()) == NULL) {
	fprintf(stderr, "Can't create a TCP socket\n");
	failed_already=1;
	goto exit_now;
    }

    PR_FD_SET(badFD, &readFdSet);
    /*
     * Make the fd invalid
     */
#if defined(XP_UNIX)
    close(PR_FileDesc2NativeHandle(badFD));
#elif defined(XP_OS2)
    soclose(PR_FileDesc2NativeHandle(badFD));
#elif defined(WIN32) || defined(WIN16)
    closesocket(PR_FileDesc2NativeHandle(badFD));
#else
#error "Unknown architecture"
#endif

    retVal = PR_Select(0 /* unused */, &readFdSet, NULL, NULL,
	    PR_INTERVAL_NO_TIMEOUT);
    if (retVal != -1 || PR_GetError() != PR_BAD_DESCRIPTOR_ERROR) {
	fprintf(stderr, "Failed to detect the bad fd: "
		"PR_Select returns %d\n", retVal);
	if (retVal == -1) {
	    fprintf(stderr, "Error %d, oserror %d\n", PR_GetError(),
		    PR_GetOSError());
		failed_already=1;
	}
	goto exit_now;
    }
    if (debug_mode) printf("PR_Select detected a bad fd.  Test passed.\n\n");
	PR_FD_CLR(badFD, &readFdSet);

	PR_Cleanup();
	goto exit_now;
exit_now:
	if(failed_already)	
		return 1;
	else
		return 0;

}