Exemple #1
0
static int	run_sdatest(uvast destEngineId)
{
	SenderThreadParms	parms;
	pthread_t		senderThread;

	isignal(SIGTERM, interruptThread);
	if (destEngineId)
	{
		/*	Must start sender thread.			*/

		parms.destEngineId = destEngineId;
		parms.running = 1;
		if (pthread_begin(&senderThread, NULL, sendItems, &parms))
		{
			putSysErrmsg("sdatest can't create send thread", NULL);
			return 1;
		}
	}

	if (sda_run(getLengthOfItem, handleItem) < 0)
	{
		putErrmsg("sdatest sda_run failed.", NULL);
	}

	if (destEngineId)
	{
		parms.running = 0;
		pthread_join(senderThread, NULL);
	}

	writeErrmsgMemos();
	writeMemo("[i] sdatest main thread has ended.");
	ionDetach();
	return 0;
}
Exemple #2
0
Fichier : libbp.c Projet : b/ION
void	bp_detach()
{
	ionDetach();
}
Exemple #3
0
Fichier : bpclock.c Projet : b/ION
int	bpclock(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
#else
int	main(int argc, char *argv[])
{
#endif
	Sdr	sdr;
	BpDB	*bpConstants;
	int	state = 1;
	time_t	currentTime;

	if (bpAttach() < 0)
	{
		putErrmsg("bpclock can't attach to BP.", NULL);
		return 1;
	}

	sdr = getIonsdr();
	bpConstants = getBpConstants();
	isignal(SIGTERM, shutDown);

	/*	Main loop: wait for event occurrence time, then
	 *	execute applicable events.				*/

	oK(_running(&state));
	writeMemo("[i] bpclock is running.");
	while (_running(NULL))
	{
		/*	Sleep for 1 second, then dispatch all events
		 *	whose executions times have now been reached.	*/

		snooze(1);
		currentTime = getUTCTime();
		if (dispatchEvents(sdr, bpConstants->timeline, currentTime) < 0)
		{
			putErrmsg("Can't dispatch events.", NULL);
			state = 0;	/*	Terminate loop.		*/
			oK(_running(&state));
			continue;
		}

		/*	Also adjust throttles in response to rate
		 *	changes noted in the shared ION database.	*/

		if (adjustThrottles() < 0)
		{
			putErrmsg("Can't adjust throttles.", NULL);
			state = 0;	/*	Terminate loop.		*/
			oK(_running(&state));
			continue;
		}

		/*	Then apply rate control.			*/

		applyRateControl(sdr);
	}

	writeErrmsgMemos();
	writeMemo("[i] bpclock has ended.");
	ionDetach();
	return 0;
}
Exemple #4
0
int	udplsi(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
	char	*endpointSpec = (char *) a1;
#else
int	main(int argc, char *argv[])
{
	char	*endpointSpec = (argc > 1 ? argv[1] : NULL);
#endif
	LtpVdb			*vdb;
	unsigned short		portNbr = 0;
	unsigned int		ipAddress = INADDR_ANY;
	struct sockaddr		socketName;
	struct sockaddr_in	*inetName;
	ReceiverThreadParms	rtp;
	socklen_t		nameLength;
	pthread_t		receiverThread;
	int			fd;
	char			quit = '\0';

	/*	Note that ltpadmin must be run before the first
	 *	invocation of ltplsi, to initialize the LTP database
	 *	(as necessary) and dynamic database.			*/ 

	if (ltpInit(0) < 0)
	{
		putErrmsg("udplsi can't initialize LTP.", NULL);
		return 1;
	}

	vdb = getLtpVdb();
	if (vdb->lsiPid != ERROR && vdb->lsiPid != sm_TaskIdSelf())
	{
		putErrmsg("LSI task is already started.", itoa(vdb->lsiPid));
		return 1;
	}

	/*	All command-line arguments are now validated.		*/

	if (endpointSpec)
	{
		if(parseSocketSpec(endpointSpec, &portNbr, &ipAddress) != 0)
		{
			putErrmsg("Can't get IP/port for endpointSpec.",
					endpointSpec);
			return -1;
		}
	}

	if (portNbr == 0)
	{
		portNbr = LtpUdpDefaultPortNbr;
	}

	portNbr = htons(portNbr);
	ipAddress = htonl(ipAddress);
	memset((char *) &socketName, 0, sizeof socketName);
	inetName = (struct sockaddr_in *) &socketName;
	inetName->sin_family = AF_INET;
	inetName->sin_port = portNbr;
	memcpy((char *) &(inetName->sin_addr.s_addr), (char *) &ipAddress, 4);
	rtp.linkSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if (rtp.linkSocket < 0)
	{
		putSysErrmsg("LSI can't open UDP socket", NULL);
		return -1;
	}

	nameLength = sizeof(struct sockaddr);
	if (reUseAddress(rtp.linkSocket)
	|| bind(rtp.linkSocket, &socketName, nameLength) < 0
	|| getsockname(rtp.linkSocket, &socketName, &nameLength) < 0)
	{
		closesocket(rtp.linkSocket);
		putSysErrmsg("Can't initialize socket", NULL);
		return 1;
	}

	/*	Set up signal handling; SIGTERM is shutdown signal.	*/

	ionNoteMainThread("udplsi");
	isignal(SIGTERM, interruptThread);

	/*	Start the receiver thread.				*/

	rtp.running = 1;
	if (pthread_begin(&receiverThread, NULL, handleDatagrams, &rtp))
	{
		closesocket(rtp.linkSocket);
		putSysErrmsg("udplsi can't create receiver thread", NULL);
		return 1;
	}

	/*	Now sleep until interrupted by SIGTERM, at which point
	 *	it's time to stop the link service.			*/

	{
		char	txt[500];

		isprintf(txt, sizeof(txt),
			"[i] udplsi is running, spec=[%s:%d].", 
			inet_ntoa(inetName->sin_addr), ntohs(portNbr));
		writeMemo(txt);
	}

	ionPauseMainThread(-1);

	/*	Time to shut down.					*/

	rtp.running = 0;

	/*	Wake up the receiver thread by sending it a 1-byte
	 *	datagram.						*/

	fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if (fd >= 0)
	{
		isendto(fd, &quit, 1, 0, &socketName, sizeof(struct sockaddr));
		closesocket(fd);
	}

	pthread_join(receiverThread, NULL);
	closesocket(rtp.linkSocket);
	writeErrmsgMemos();
	writeMemo("[i] udplsi has ended.");
	ionDetach();
	return 0;
}
Exemple #5
0
Fichier : ltpclock.c Projet : b/ION
int	ltpclock(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
#else
int	main(int argc, char *argv[])
{
#endif
	Sdr	sdr;
	LtpDB	*ltpConstants;
	int	state = 1;
	time_t	currentTime;

	if (ltpInit(0, 0) < 0)
	{
		putErrmsg("ltpclock can't initialize LTP.", NULL);
		return 1;
	}

	sdr = getIonsdr();
	ltpConstants = getLtpConstants();
	isignal(SIGTERM, shutDown);

	/*	Main loop: wait for event occurrence time, then
	 *	execute applicable events.				*/

	oK(_running(&state));
	writeMemo("[i] ltpclock is running.");
	while (_running(NULL))
	{
		/*	Sleep for 1 second, then dispatch all events
		 *	whose executions times have now been reached.	*/

		snooze(1);
		currentTime = getUTCTime();

		/*	Infer link state changes from rate changes
		 *	noted in the shared ION database.		*/

		if (manageLinks(sdr, currentTime) < 0)
		{
			putErrmsg("Can't manage links.", NULL);
			state = 0;	/*	Terminate loop.		*/
			oK(_running(&state));
			continue;
		}

		/*	Then dispatch retransmission events, as
		 *	constrained by the new link state.		*/

		if (dispatchEvents(sdr, ltpConstants->timeline, currentTime)
				< 0)
		{
			putErrmsg("Can't dispatch events.", NULL);
			state = 0;	/*	Terminate loop.		*/
			oK(_running(&state));
			continue;
		}
	}

	writeErrmsgMemos();
	writeMemo("[i] ltpclock has ended.");
	ionDetach();
	return 0;
}
Exemple #6
0
int	ltpcli(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
	char	*ductName = (char *) a1;
#else
int	main(int argc, char *argv[])
{
	char	*ductName = (argc > 1 ? argv[1] : NULL);
#endif
	VInduct			*vduct;
	PsmAddress		vductElt;
	ReceiverThreadParms	rtp;
	pthread_t		receiverThread;

	if (ductName == NULL)
	{
		PUTS("Usage: ltpcli <local engine number>]");
		return 0;
	}

	if (bpAttach() < 0)
	{
		putErrmsg("ltpcli can't attach to BP.", NULL);
		return -1;
	}

	findInduct("ltp", ductName, &vduct, &vductElt);
	if (vductElt == 0)
	{
		putErrmsg("No such ltp duct.", ductName);
		return -1;
	}

	if (vduct->cliPid != ERROR && vduct->cliPid != sm_TaskIdSelf())
	{
		putErrmsg("CLI task is already started for this duct.",
				itoa(vduct->cliPid));
		return -1;
	}

	/*	All command-line arguments are now validated.		*/

	if (ltp_attach() < 0)
	{
		putErrmsg("ltpcli can't initialize LTP.", NULL);
		return -1;
	}

	/*	Set up signal handling; SIGTERM is shutdown signal.	*/

	ionNoteMainThread("ltpcli");
	isignal(SIGTERM, interruptThread);

	/*	Start the receiver thread.				*/

	rtp.vduct = vduct;
	rtp.running = 1;
	if (pthread_begin(&receiverThread, NULL, handleNotices, &rtp))
	{
		putSysErrmsg("ltpcli can't create receiver thread", NULL);
		return 1;
	}

	/*	Now sleep until interrupted by SIGTERM, at which point
	 *	it's time to stop the induct.				*/

	writeMemo("[i] ltpcli is running.");
	ionPauseMainThread(-1);

	/*	Time to shut down.					*/

	rtp.running = 0;

	/*	Stop the receiver thread by interrupting client access.	*/

	ltp_interrupt(BpLtpClientId);
	pthread_join(receiverThread, NULL);
	writeErrmsgMemos();
	writeMemo("[i] ltpcli duct has ended.");
	ionDetach();
	return 0;
}
Exemple #7
0
int	dtn2fw(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
#else
int	main(int argc, char *argv[])
{
#endif
	int		running = 1;
	Sdr		sdr;
	VScheme		*vscheme;
	PsmAddress	vschemeElt;
	Scheme		scheme;
	Object		elt;
	Object		bundleAddr;
	Bundle		bundle;

	if (bpAttach() < 0)
	{
		putErrmsg("dtn2fw can't attach to BP.", NULL);
		return 1;
	}

	if (dtn2Init(NULL) < 0)
	{
		putErrmsg("dtn2fw can't load routing database.", NULL);
		return 1;
	}

	sdr = getIonsdr();
	findScheme("dtn", &vscheme, &vschemeElt);
	if (vschemeElt == 0)
	{
		putErrmsg("Scheme name for dtn2 is unknown.", "dtn");
		return 1;
	}

	CHKZERO(sdr_begin_xn(sdr));
	sdr_read(sdr, (char *) &scheme, sdr_list_data(sdr,
			vscheme->schemeElt), sizeof(Scheme));
	sdr_exit_xn(sdr);
	oK(_dtn2fwSemaphore(&vscheme->semaphore));
	isignal(SIGTERM, shutDown);

	/*	Main loop: wait until forwarding queue is non-empty,
	 *	then drain it.						*/

	writeMemo("[i] dtn2fw is running.");
	while (running && !(sm_SemEnded(vscheme->semaphore)))
	{
		/*	We wrap forwarding in an SDR transaction to
		 *	prevent race condition with bpclock (which
		 *	is destroying bundles as their TTLs expire).	*/

		CHKZERO(sdr_begin_xn(sdr));
		elt = sdr_list_first(sdr, scheme.forwardQueue);
		if (elt == 0)	/*	Wait for forwarding notice.	*/
		{
			sdr_exit_xn(sdr);
			if (sm_SemTake(vscheme->semaphore) < 0)
			{
				putErrmsg("Can't take forwarder semaphore.",
						NULL);
				running = 0;
			}

			continue;
		}

		bundleAddr = (Object) sdr_list_data(sdr, elt);
		sdr_stage(sdr, (char *) &bundle, bundleAddr, sizeof(Bundle));
		sdr_list_delete(sdr, elt, NULL, NULL);
		bundle.fwdQueueElt = 0;

		/*	Must rewrite bundle to note removal of
		 *	fwdQueueElt, in case the bundle is abandoned
		 *	and bpDestroyBundle re-reads it from the
		 *	database.					*/

		sdr_write(sdr, bundleAddr, (char *) &bundle, sizeof(Bundle));
		if (enqueueBundle(&bundle, bundleAddr) < 0)
		{
			sdr_cancel_xn(sdr);
			putErrmsg("Can't enqueue bundle.", NULL);
			running = 0;	/*	Terminate loop.		*/
			continue;
		}

		if (sdr_end_xn(sdr) < 0)
		{
			putErrmsg("Can't enqueue bundle.", NULL);
			running = 0;	/*	Terminate loop.		*/
		}

		/*	Make sure other tasks have a chance to run.	*/

		sm_TaskYield();
	}

	writeErrmsgMemos();
	writeMemo("[i] dtn2fw forwarder has ended.");
	ionDetach();
	return 0;
}
Exemple #8
0
Fichier : stcpclo.c Projet : b/ION
int	stcpclo(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
	char	*ductName = (char *) a1;
#else
int	main(int argc, char *argv[])
{
	char	*ductName = (argc > 1 ? argv[1] : NULL);
#endif
	unsigned char		*buffer;
	VOutduct		*vduct;
	PsmAddress		vductElt;
	Sdr			sdr;
	Outduct			duct;
	ClProtocol		protocol;
	Outflow			outflows[3];
	int			i;
	char			*hostName;
	unsigned short		portNbr;
	unsigned int		hostNbr;
	struct sockaddr		socketName;
	struct sockaddr_in	*inetName;
	int			running = 1;
	pthread_mutex_t		mutex;
	KeepaliveThreadParms	parms;
	pthread_t		keepaliveThread;
	Object			bundleZco;
	BpExtendedCOS		extendedCOS;
	char			destDuctName[MAX_CL_DUCT_NAME_LEN + 1];
	unsigned int		bundleLength;
	int			ductSocket = -1;
	int			bytesSent;

	if (ductName == NULL)
	{
		PUTS("Usage: stcpclo <remote host name>[:<port number>]");
		return 0;
	}

	if (bpAttach() < 0)
	{
		putErrmsg("stcpclo can't attach to BP.", NULL);
		return -1;
	}

	buffer = MTAKE(TCPCLA_BUFSZ);
	if (buffer == NULL)
	{
		putErrmsg("No memory for TCP buffer in stcpclo.", NULL);
		return -1;
	}

	findOutduct("stcp", ductName, &vduct, &vductElt);
	if (vductElt == 0)
	{
		putErrmsg("No such stcp duct.", ductName);
		MRELEASE(buffer);
		return -1;
	}

	if (vduct->cloPid > 0 && vduct->cloPid != sm_TaskIdSelf())
	{
		putErrmsg("CLO task is already started for this duct.",
				itoa(vduct->cloPid));
		MRELEASE(buffer);
		return -1;
	}

	/*	All command-line arguments are now validated.		*/

	sdr = getIonsdr();
	sdr_read(sdr, (char *) &duct, sdr_list_data(sdr, vduct->outductElt),
			sizeof(Outduct));
	sdr_read(sdr, (char *) &protocol, duct.protocol, sizeof(ClProtocol));
	if (protocol.nominalRate <= 0)
	{
		vduct->xmitThrottle.nominalRate = DEFAULT_TCP_RATE;
	}
	else
	{
		vduct->xmitThrottle.nominalRate = protocol.nominalRate;
	}

	memset((char *) outflows, 0, sizeof outflows);
	outflows[0].outboundBundles = duct.bulkQueue;
	outflows[1].outboundBundles = duct.stdQueue;
	outflows[2].outboundBundles = duct.urgentQueue;
	for (i = 0; i < 3; i++)
	{
		outflows[i].svcFactor = 1 << i;
	}

	hostName = ductName;
	parseSocketSpec(ductName, &portNbr, &hostNbr);
	if (portNbr == 0)
	{
		portNbr = BpTcpDefaultPortNbr;
	}

	portNbr = htons(portNbr);
	if (hostNbr == 0)
	{
		putErrmsg("Can't get IP address for host.", hostName);
		MRELEASE(buffer);
		return -1;
	}

	hostNbr = htonl(hostNbr);
	memset((char *) &socketName, 0, sizeof socketName);
	inetName = (struct sockaddr_in *) &socketName;
	inetName->sin_family = AF_INET;
	inetName->sin_port = portNbr;
	memcpy((char *) &(inetName->sin_addr.s_addr), (char *) &hostNbr, 4);

	/*	Set up signal handling.  SIGTERM is shutdown signal.	*/

	oK(stcpcloSemaphore(&(vduct->semaphore)));
	isignal(SIGTERM, shutDownClo);
	isignal(SIGPIPE, handleConnectionLoss);

	/*	Start the keepalive thread for the eventual connection.	*/

	parms.cloRunning = &running;
	pthread_mutex_init(&mutex, NULL);
	parms.mutex = &mutex;
	parms.socketName = &socketName;
	parms.ductSocket = &ductSocket;
	if (pthread_create(&keepaliveThread, NULL, sendKeepalives, &parms))
	{
		putSysErrmsg("stcpclo can't create keepalive thread", NULL);
		MRELEASE(buffer);
		pthread_mutex_destroy(&mutex);
		return 1;
	}

	/*	Can now begin transmitting to remote duct.		*/

	writeMemo("[i] stcpclo is running.");
	while (!(sm_SemEnded(stcpcloSemaphore(NULL))))
	{
		if (bpDequeue(vduct, outflows, &bundleZco, &extendedCOS,
				destDuctName) < 0)
		{
			sm_SemEnd(stcpcloSemaphore(NULL));/*	Stop.	*/
			continue;
		}

		if (bundleZco == 0)	/*	Interrupted.		*/
		{
			continue;
		}

		bundleLength = zco_length(sdr, bundleZco);
		pthread_mutex_lock(&mutex);
		bytesSent = sendBundleByTCP(&socketName, &ductSocket,
				bundleLength, bundleZco, buffer);
		pthread_mutex_unlock(&mutex);
		if (bytesSent < bundleLength)
		{
			sm_SemEnd(stcpcloSemaphore(NULL));/*	Stop.	*/
			continue;
		}

		/*	Make sure other tasks have a chance to run.	*/

		sm_TaskYield();
	}

	running = 0;			/*	Terminate keepalive.	*/
	pthread_join(keepaliveThread, NULL);
	if (ductSocket != -1)
	{
		close(ductSocket);
	}

	pthread_mutex_destroy(&mutex);
	writeErrmsgMemos();
	writeMemo("[i] stcpclo duct has ended.");
	MRELEASE(buffer);
	ionDetach();
	return 0;
}
Exemple #9
0
static int	run_imcadmin(char *cmdFileName)
{
	int	cmdFile;
	char	line[256];
	int	len;

	if (bpAttach() < 0)
	{
		putErrmsg("imcadmin can't attach to BP.", NULL);
		return -1;
	}

	if (imcInit() < 0)
	{
		putErrmsg("imcadmin can't initialize IMC database.", NULL);
		return -1;
	}

	if (cmdFileName == NULL)	/*	Interactive.		*/
	{
#ifdef FSWLOGGER
		return 0;
#else
		cmdFile = fileno(stdin);
		isignal(SIGINT, handleQuit);
		while (1)
		{
			printf(": ");
			fflush(stdout);
			if (igets(cmdFile, line, sizeof line, &len) == NULL)
			{
				if (len == 0)
				{
					break;
				}

				putErrmsg("igets failed.", NULL);
				break;		/*	Out of loop.	*/
			}

			if (len == 0)
			{
				continue;
			}

			if (processLine(line, len))
			{
				break;		/*	Out of loop.	*/
			}
		}
#endif
	}
	else					/*	Scripted.	*/
	{
		cmdFile = iopen(cmdFileName, O_RDONLY, 0777);
		if (cmdFile < 0)
		{
			PERROR("Can't open command file");
		}
		else
		{
			while (1)
			{
				if (igets(cmdFile, line, sizeof line, &len)
						== NULL)
				{
					if (len == 0)
					{
						break;	/*	Loop.	*/
					}

					putErrmsg("igets failed.", NULL);
					break;		/*	Loop.	*/
				}

				if (len == 0
				|| line[0] == '#')	/*	Comment.*/
				{
					continue;
				}

				if (processLine(line, len))
				{
					break;	/*	Out of loop.	*/
				}
			}

			close(cmdFile);
		}
	}

	writeErrmsgMemos();
	printText("Stopping imcadmin.");
	ionDetach();
	return 0;
}
Exemple #10
0
int	pmqlso(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
	char		*mqName = (char *) a1;
	uvast		remoteEngineId = a2 != 0 ? strtouvast((char *) a2) : 0;
#else
int	main(int argc, char *argv[])
{
	char		*mqName = argc > 1 ? argv[1] : NULL;
	uvast		remoteEngineId = argc > 2 ? strtouvast(argv[2]) : 0;
#endif
	Sdr		sdr;
	LtpVspan	*vspan;
	PsmAddress	vspanElt;
	struct mq_attr	mqAttributes = { 0, PMQLSA_MAXMSG, PMQLSA_MSGSIZE, 0 };
	mqd_t		mq;
	int		running;
	int		segmentLength;
	char		*segment;

	if (remoteEngineId == 0 || mqName == NULL)
	{
		puts("Usage: pmqlso <message queue name> <remote engine ID>");
		return 0;
	}

	/*	Note that ltpadmin must be run before the first
	 *	invocation of ltplso, to initialize the LTP database
	 *	(as necessary) and dynamic database.			*/

	if (ltpInit(0) < 0)
	{
		putErrmsg("pmqlso can't initialize LTP.", NULL);
		return 1;
	}

	sdr = getIonsdr();
	CHKERR(sdr_begin_xn(sdr));	/*	Just to lock memory.	*/
	findSpan(remoteEngineId, &vspan, &vspanElt);
	if (vspanElt == 0)
	{
		sdr_exit_xn(sdr);
		putErrmsg("No such engine in database.", itoa(remoteEngineId));
		return 1;
	}

	if (vspan->lsoPid > 0 && vspan->lsoPid != sm_TaskIdSelf())
	{
		sdr_exit_xn(sdr);
		putErrmsg("LSO task is already started for this span.",
				itoa(vspan->lsoPid));
		return 1;
	}

	/*	All command-line arguments are now validated.		*/

	sdr_exit_xn(sdr);
	mq = mq_open(mqName, O_RDWR | O_CREAT, 0777, &mqAttributes);
	if (mq == (mqd_t) -1)
	{
		putSysErrmsg("pmqlso can't open message queue", mqName);
		return 1;
	}

	oK(_pmqlsoSemaphore(&vspan->segSemaphore));
	isignal(SIGTERM, interruptThread);

	/*	Can now begin transmitting to remote engine.		*/

	writeMemo("[i] pmqlso is running.");
	running = 1;
	while (running && !(sm_SemEnded(_pmqlsoSemaphore(NULL))))
	{
		segmentLength = ltpDequeueOutboundSegment(vspan, &segment);
		if (segmentLength < 0)
		{
			running = 0;	/*	Terminate LSO.		*/
			continue;
		}

		if (segmentLength == 0)	/*	Interrupted.		*/
		{
			continue;
		}

		if (segmentLength > PMQLSA_MSGSIZE)
		{
			putErrmsg("Segment is too big for PMQ LSO.",
					itoa(segmentLength));
			running = 0;	/*	Terminate LSO.		*/
			continue;
		}

		if (sendSegmentByPMQ(mq, segment, segmentLength) < 0)
		{
			putSysErrmsg("pmqlso failed sending segment", mqName);
			running = 0;	/*	Terminate LSO.	*/
			continue;
		}

		/*	Make sure other tasks have a chance to run.	*/

		sm_TaskYield();
	}

	mq_close(mq);
	writeErrmsgMemos();
	writeMemo("[i] pmqlso duct has ended.");
	ionDetach();
	return 0;
}
Exemple #11
0
int	bsspclo(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
	char		*ductName = (char *) a1;
#else
int	main(int argc, char *argv[])
{
	char		*ductName = (argc > 1 ? argv[1] : NULL);
#endif
	Sdr		sdr;
	VOutduct	*vduct;
	PsmAddress	vductElt;
	vast		destEngineNbr;
	Outduct		outduct;
	ClProtocol	protocol;
	Outflow		outflows[3];
	int		i;
	int		running = 1;
	Object		bundleZco;
	BpExtendedCOS	extendedCOS;
	char		destDuctName[MAX_CL_DUCT_NAME_LEN + 1];
	BsspSessionId	sessionId;
	unsigned char	*buffer;
	Lyst		streams;
	Bundle		bundleImage;
	char		*dictionary = 0;
	unsigned int	bundleLength;

	if (ductName == NULL)
	{
		PUTS("Usage: bsspclo [-]<destination engine number>");
		return 0;
	}

	if (bpAttach() < 0)
	{
		putErrmsg("bsspclo can't attach to BP.", NULL);
		return -1;
	}

	sdr = getIonsdr();
	findOutduct("bssp", ductName, &vduct, &vductElt);
	if (vductElt == 0)
	{
		putErrmsg("No such bssp duct.", ductName);
		return -1;
	}

	if (vduct->cloPid != ERROR && vduct->cloPid != sm_TaskIdSelf())
	{
		putErrmsg("BSSPCLO task is already started for this duct.",
				itoa(vduct->cloPid));
		return -1;
	}

	/*	All command-line arguments are now validated.		*/

	buffer = (unsigned char *) MTAKE(BP_MAX_BLOCK_SIZE);
	if (buffer == NULL)
	{
		putErrmsg("Can't get buffer for decoding bundle ZCOs.", NULL);
		return -1;
	}

	streams = lyst_create_using(getIonMemoryMgr());
	if (streams == NULL)
	{
		putErrmsg("Can't create lyst of streams.", NULL);
		MRELEASE(buffer);
		return -1;
	}

	lyst_delete_set(streams, eraseStream, NULL);
	CHKERR(sdr_begin_xn(sdr));
	sdr_read(sdr, (char *) &outduct, sdr_list_data(sdr, vduct->outductElt),
			sizeof(Outduct));
	sdr_read(sdr, (char *) &protocol, outduct.protocol, sizeof(ClProtocol));
	sdr_exit_xn(sdr);
	destEngineNbr = strtovast(ductName);

	if (protocol.nominalRate == 0)
	{
		vduct->xmitThrottle.nominalRate = DEFAULT_BSSP_RATE;
	}
	else
	{
		vduct->xmitThrottle.nominalRate = protocol.nominalRate;
	}

	memset((char *) outflows, 0, sizeof outflows);
	outflows[0].outboundBundles = outduct.bulkQueue;
	outflows[1].outboundBundles = outduct.stdQueue;
	outflows[2].outboundBundles = outduct.urgentQueue;
	for (i = 0; i < 3; i++)
	{
		outflows[i].svcFactor = 1 << i;
	}

	if (bssp_attach() < 0)
	{
		putErrmsg("bsspclo can't initialize BSSP.", NULL);
		lyst_destroy(streams);
		MRELEASE(buffer);
		return -1;
	}

	/*	Set up signal handling.  SIGTERM is shutdown signal.	*/

	oK(bsspcloSemaphore(&(vduct->semaphore)));
	isignal(SIGTERM, shutDownClo);

	/*	Can now begin transmitting to remote duct.		*/

	writeMemo("[i] bsspclo is running.");
	while (running && !(sm_SemEnded(bsspcloSemaphore(NULL))))
	{
		if (bpDequeue(vduct, outflows, &bundleZco, &extendedCOS,
				destDuctName, 0, -1) < 0)
		{
			running = 0;	/*	Terminate CLO.		*/
			continue;
		}

		if (bundleZco == 0)	/*	Interrupted.		*/
		{
			continue;
		}

		if (decodeBundle(sdr, bundleZco, buffer, &bundleImage,
				&dictionary, &bundleLength) < 0)
		{
			putErrmsg("Can't decode bundle ZCO.", NULL);
			CHKERR(sdr_begin_xn(sdr));
			zco_destroy(sdr, bundleZco);
			if (sdr_end_xn(sdr) < 0)
			{
				putErrmsg("Failed destroying ZCO.", NULL);
				break;
			}

			continue;
		}

		switch (bssp_send(destEngineNbr, BpBsspClientId, bundleZco,
				isInOrder(streams, &bundleImage), &sessionId))
		{
		case 0:
			putErrmsg("Unable to send this bundle via BSSP.", NULL);
			break;

		case -1:
			putErrmsg("BsspSend failed.", NULL);
			running = 0;	/*	Terminate CLO.		*/
		}

		/*	Make sure other tasks have a chance to run.	*/

		sm_TaskYield();

		/*	Note: bundleZco is destroyed later, when BSSP's
		 *	ExportSession is closed following transmission
		 *	of bundle ZCOs as aggregated into a block.	*/
	}

	writeErrmsgMemos();
	writeMemo("[i] bsspclo duct has ended.");
	lyst_destroy(streams);
	MRELEASE(buffer);
	ionDetach();
	return 0;
}
Exemple #12
0
Fichier : udpclo.c Projet : b/ION
int	udpclo(int a1, int a2, int a3, int a4, int a5,
		int a6, int a7, int a8, int a9, int a10)
{
#else
int	main(int argc, char *argv[])
{
#endif
	unsigned char		*buffer;
	VOutduct		*vduct;
	PsmAddress		vductElt;
	Sdr			sdr;
	Outduct			outduct;
	ClProtocol		protocol;
	Outflow			outflows[3];
	int			i;
	char			*hostName;
	unsigned short		portNbr;
	unsigned int		hostNbr;
	struct sockaddr		socketName;
	struct sockaddr_in	*inetName;
	Object			bundleZco;
	BpExtendedCOS		extendedCOS;
	char			destDuctName[MAX_CL_DUCT_NAME_LEN + 1];
	unsigned int		bundleLength;
	int			ductSocket = -1;
	int			bytesSent;

	if (bpAttach() < 0)
	{
		putErrmsg("udpclo can't attach to BP.", NULL);
		return -1;
	}

	buffer = MTAKE(UDPCLA_BUFSZ);
	if (buffer == NULL)
	{
		putErrmsg("No memory for UDP buffer in udpclo.", NULL);
		return -1;
	}

	findOutduct("udp", "*", &vduct, &vductElt);
	if (vductElt == 0)
	{
		putErrmsg("No such udp duct.", "*");
		MRELEASE(buffer);
		return -1;
	}

	if (vduct->cloPid > 0 && vduct->cloPid != sm_TaskIdSelf())
	{
		putErrmsg("CLO task is already started for this duct.",
				itoa(vduct->cloPid));
		MRELEASE(buffer);
		return -1;
	}

	/*	All command-line arguments are now validated.		*/

	sdr = getIonsdr();
	sdr_read(sdr, (char *) &outduct, sdr_list_data(sdr, vduct->outductElt),
			sizeof(Outduct));
	sdr_read(sdr, (char *) &protocol, outduct.protocol, sizeof(ClProtocol));
	if (protocol.nominalRate <= 0)
	{
		vduct->xmitThrottle.nominalRate = DEFAULT_UDP_RATE;
	}
	else
	{
		vduct->xmitThrottle.nominalRate = protocol.nominalRate;
	}

	memset((char *) outflows, 0, sizeof outflows);
	outflows[0].outboundBundles = outduct.bulkQueue;
	outflows[1].outboundBundles = outduct.stdQueue;
	outflows[2].outboundBundles = outduct.urgentQueue;
	for (i = 0; i < 3; i++)
	{
		outflows[i].svcFactor = 1 << i;
	}

	/*	Set up signal handling.  SIGTERM is shutdown signal.	*/

	oK(udpcloSemaphore(&(vduct->semaphore)));
	isignal(SIGTERM, shutDownClo);

	/*	Can now begin transmitting to remote duct.		*/

	writeMemo("[i] udpclo is running.");
	while (!(sm_SemEnded(vduct->semaphore)))
	{
		if (bpDequeue(vduct, outflows, &bundleZco, &extendedCOS,
				destDuctName) < 0)
		{
			sm_SemEnd(udpcloSemaphore(NULL));/*	Stop.	*/
			continue;
		}

		if (bundleZco == 0)	/*	Interrupted.		*/
		{
			continue;
		}

		hostName = destDuctName;
		parseSocketSpec(destDuctName, &portNbr, &hostNbr);
		if (portNbr == 0)
		{
			portNbr = BpUdpDefaultPortNbr;
		}

		portNbr = htons(portNbr);
		if (hostNbr == 0)
		{
			writeMemoNote("[?] Can't get IP address for host",
					hostName);
		}

		hostNbr = htonl(hostNbr);
		memset((char *) &socketName, 0, sizeof socketName);
		inetName = (struct sockaddr_in *) &socketName;
		inetName->sin_family = AF_INET;
		inetName->sin_port = portNbr;
		memcpy((char *) &(inetName->sin_addr.s_addr),
				(char *) &hostNbr, 4);
		bundleLength = zco_length(sdr, bundleZco);
		bytesSent = sendBundleByUDP(&socketName, &ductSocket,
				bundleLength, bundleZco, buffer);
		if (bytesSent < bundleLength)
		{
			sm_SemEnd(udpcloSemaphore(NULL));/*	Stop.	*/
			continue;
		}

		/*	Make sure other tasks have a chance to run.	*/

		sm_TaskYield();
	}

	if (ductSocket != -1)
	{
		close(ductSocket);
	}

	writeErrmsgMemos();
	writeMemo("[i] udpclo duct has ended.");
	MRELEASE(buffer);
	ionDetach();
	return 0;
}