eitd/sectionsd.cpp: WIP. commented most checks in CN thread;

comment request_pause/unpause; move add events code to class member;
2025-08-27 15:32:59 +02:00 · 2012-02-21 19:59:45 +04:00
parent 2942a55854
commit 443706b06f
1 changed files with 313 additions and 389 deletions
--- a/src/eitd/sectionsd.cpp
+++ b/src/eitd/sectionsd.cpp
@@ -316,27 +316,18 @@ static bool deleteEvent(const event_id_t uniqueKey)
 		// only if it is the current channel... and if we don't have them already.
 		if (evt.get_channel_id() == messaging_current_servicekey && 
 				(messaging_got_CN != 0x03)) { 
+xprintf("addEvent: current %016llx event %016llx running %d messaging_got_CN %d\n", messaging_current_servicekey, evt.get_channel_id(), evt.runningStatus(), messaging_got_CN);
+
 			unlockMessaging();
-			SIevent *eptr = new SIevent(evt);
-			if (!eptr)
-			{
-				printf("[sectionsd::addEvent] new SIevent1 failed.\n");
-				return;
-			}
-
-			//FIXME is ptr needed here ?
-			SIeventPtr e(eptr);
-
 			writeLockEvents();
-			if (e->runningStatus() > 2) { // paused or currently running
+			if (evt.runningStatus() > 2) { // paused or currently running
 				//TODO myCurrentEvent/myNextEvent without pointers.
-				if (!myCurrentEvent || (myCurrentEvent && (*myCurrentEvent).uniqueKey() != e->uniqueKey())) {
-					if (myCurrentEvent)
-						delete myCurrentEvent;
+				if (!myCurrentEvent || (myCurrentEvent && (*myCurrentEvent).uniqueKey() != evt.uniqueKey())) {
+					delete myCurrentEvent;
 					myCurrentEvent = new SIevent(evt);
 					writeLockMessaging();
 					messaging_got_CN |= 0x01;
-					if (myNextEvent && (*myNextEvent).uniqueKey() == e->uniqueKey()) {
+					if (myNextEvent && (*myNextEvent).uniqueKey() == evt.uniqueKey()) {
 						dprintf("addevent-cn: removing next-event\n");
 						/* next got "promoted" to current => trigger re-read */
 						delete myNextEvent;
@@ -345,28 +336,27 @@ static bool deleteEvent(const event_id_t uniqueKey)
 					}
 					unlockMessaging();
 					dprintf("addevent-cn: added running (%d) event 0x%04x '%s'\n",
-						e->runningStatus(), e->eventID, e->getName().c_str());
+						evt.runningStatus(), evt.eventID, evt.getName().c_str());
 				} else {
 					writeLockMessaging();
 					messaging_got_CN |= 0x01;
 					unlockMessaging();
 					dprintf("addevent-cn: not add runn. (%d) event 0x%04x '%s'\n",
-						e->runningStatus(), e->eventID, e->getName().c_str());
+						evt.runningStatus(), evt.eventID, evt.getName().c_str());
 				}
 			} else {
-				if ((!myNextEvent    || (myNextEvent    && (*myNextEvent).uniqueKey()    != e->uniqueKey() && (*myNextEvent).times.begin()->startzeit < e->times.begin()->startzeit)) &&
-						(!myCurrentEvent || (myCurrentEvent && (*myCurrentEvent).uniqueKey() != e->uniqueKey()))) {
-					if (myNextEvent)
-						delete myNextEvent;
+				if ((!myNextEvent    || (myNextEvent    && (*myNextEvent).uniqueKey()    != evt.uniqueKey() && (*myNextEvent).times.begin()->startzeit < evt.times.begin()->startzeit)) &&
+						(!myCurrentEvent || (myCurrentEvent && (*myCurrentEvent).uniqueKey() != evt.uniqueKey()))) {
+					delete myNextEvent;
 					myNextEvent = new SIevent(evt);
 					writeLockMessaging();
 					messaging_got_CN |= 0x02;
 					unlockMessaging();
 					dprintf("addevent-cn: added next    (%d) event 0x%04x '%s'\n",
-						e->runningStatus(), e->eventID, e->getName().c_str());
+						evt.runningStatus(), evt.eventID, evt.getName().c_str());
 				} else {
 					dprintf("addevent-cn: not added next(%d) event 0x%04x '%s'\n",
-						e->runningStatus(), e->eventID, e->getName().c_str());
+						evt.runningStatus(), evt.eventID, evt.getName().c_str());
 					writeLockMessaging();
 					messaging_got_CN |= 0x02;
 					unlockMessaging();
@@ -870,54 +860,51 @@ inline bool writeNbytes(int fd, const char *buf,  const size_t numberOfBytes, co

 static void commandPauseScanning(int connfd, char *data, const unsigned dataLength)
 {
-	if (dataLength != 4)
-		return ;
+	if (dataLength != sizeof(int))
+		return;

 	int pause = *(int *)data;

-	if (pause && pause != 1)
-		return ;
-
-	dprintf("Request of %s scanning.\n", pause ? "stop" : "continue" );
+	xprintf("Request of %s scanning (now %s).\n", pause ? "stop" : "continue", scanning ? "scanning" : "idle");

 	if (scanning && pause)
 	{
+#if 0
 		threadCN.request_pause();
-		//dmxEIT.request_pause();
 		threadEIT.request_pause();
 #ifdef ENABLE_FREESATEPG
 		dmxFSEIT.request_pause();
 #endif
 #ifdef ENABLE_SDT
 		dmxSDT.request_pause();
+#endif
 #endif
 		scanning = 0;
 	}
 	else if (!pause && !scanning)
 	{
+#if 0
 		threadCN.request_unpause();
-		//dmxEIT.request_unpause();
 		threadEIT.request_unpause();
 #ifdef ENABLE_FREESATEPG
 		dmxFSEIT.request_unpause();
 #endif
 #ifdef ENABLE_SDT
 		dmxSDT.request_unpause();
+#endif
 #endif
 		writeLockEvents();
-		if (myCurrentEvent) {
-			delete myCurrentEvent;
-			myCurrentEvent = NULL;
-		}
-		if (myNextEvent) {
-			delete myNextEvent;
-			myNextEvent = NULL;
-		}
+		delete myCurrentEvent;
+		myCurrentEvent = NULL;
+		delete myNextEvent;
+		myNextEvent = NULL;
 		unlockEvents();
+
 		writeLockMessaging();
 		messaging_have_CN = 0x00;
 		messaging_got_CN = 0x00;
 		unlockMessaging();
+
 		scanning = 1;
 		if (!bTimeCorrect && !ntpenable)
 		{
@@ -926,9 +913,7 @@ static void commandPauseScanning(int connfd, char *data, const unsigned dataLeng
 			pthread_mutex_unlock(&timeThreadSleepMutex);
 		}

-		scanning = 1;
 		threadCN.change(0);
-		//dmxEIT.change(0);
 		threadEIT.change(0);
 #ifdef ENABLE_FREESATEPG
 		dmxFSEIT.change(0);
@@ -947,6 +932,106 @@ static void commandPauseScanning(int connfd, char *data, const unsigned dataLeng
 	return ;
 }

+static void commandserviceChanged(int connfd, char *data, const unsigned dataLength)
+{
+	t_channel_id uniqueServiceKey;
+	if (dataLength != sizeof(sectionsd::commandSetServiceChanged))
+		goto out;
+
+	uniqueServiceKey = (((sectionsd::commandSetServiceChanged *)data)->channel_id);
+	uniqueServiceKey &= 0xFFFFFFFFFFFFULL;
+
+	dprintf("[sectionsd] commandserviceChanged: Service changed to " PRINTF_CHANNEL_ID_TYPE "\n", uniqueServiceKey);
+xprintf("[sectionsd] commandserviceChanged: Service changed to " PRINTF_CHANNEL_ID_TYPE "\n\n", uniqueServiceKey);
+
+	messaging_last_requested = time_monotonic();
+
+#if 0
+	if(checkBlacklist(uniqueServiceKey))
+	{
+		if (!channel_is_blacklisted) {
+			channel_is_blacklisted = true;
+			threadCN.request_pause();
+			threadEIT.request_pause();
+#ifdef ENABLE_SDT
+			dmxSDT.request_pause();
+#endif
+		}
+		xprintf("[sectionsd] commandserviceChanged: service is filtered!\n");
+	}
+	else
+	{
+		if (channel_is_blacklisted) {
+			channel_is_blacklisted = false;
+			threadCN.request_unpause();
+			threadEIT.request_unpause();
+#ifdef ENABLE_SDT
+			dmxSDT.request_unpause();
+#endif
+			xprintf("[sectionsd] commandserviceChanged: service is no longer filtered!\n");
+		}
+	}
+#endif
+#if 0
+	if(checkNoDVBTimelist(uniqueServiceKey))
+	{
+		if (dvb_time_update) {
+			dvb_time_update = false;
+		}
+		xprintf("[sectionsd] commandserviceChanged: DVB time update is blocked!\n");
+	}
+	else
+	{
+		if (!dvb_time_update) {
+			dvb_time_update = true;
+			xprintf("[sectionsd] commandserviceChanged: DVB time update is allowed!\n");
+		}
+	}
+#endif
+	if (uniqueServiceKey && messaging_current_servicekey != uniqueServiceKey)
+	{
+		dvb_time_update = !checkNoDVBTimelist(uniqueServiceKey);
+		dprintf("[sectionsd] commandserviceChanged: DVB time update is %s\n", dvb_time_update ? "allowed" : "blocked!");
+
+		channel_is_blacklisted = checkBlacklist(uniqueServiceKey);
+		dprintf("[sectionsd] commandserviceChanged: service is %s\n", channel_is_blacklisted ? "filtered!" : "not filtered");
+
+		writeLockEvents();
+		delete myCurrentEvent;
+		myCurrentEvent = NULL;
+		delete myNextEvent;
+		myNextEvent = NULL;
+		unlockEvents();
+
+		writeLockMessaging();
+		messaging_current_servicekey = uniqueServiceKey;
+		messaging_have_CN = 0x00;
+		messaging_got_CN = 0x00;
+		messaging_zap_detected = true;
+		messaging_need_eit_version = false;
+		unlockMessaging();
+
+		threadCN.setCurrentService(messaging_current_servicekey);
+		threadEIT.setCurrentService(messaging_current_servicekey);
+#ifdef ENABLE_FREESATEPG
+		dmxFSEIT.setCurrentService(messaging_current_servicekey);
+#endif
+#ifdef ENABLE_SDT
+		dmxSDT.setCurrentService(messaging_current_servicekey);
+#endif
+	}
+	else
+		dprintf("[sectionsd] commandserviceChanged: no change...\n");
+
+out:
+	struct sectionsd::msgResponseHeader msgResponse;
+	msgResponse.dataLength = 0;
+	writeNbytes(connfd, (const char *)&msgResponse, sizeof(msgResponse), WRITE_TIMEOUT_IN_SECONDS);
+
+	dprintf("[sectionsd] commandserviceChanged: END!!\n");
+	return ;
+}
+
 static void commandGetIsScanningActive(int connfd, char* /*data*/, const unsigned /*dataLength*/)
 {
 	struct sectionsd::msgResponseHeader responseHeader;
@@ -1024,103 +1109,6 @@ static void commandDumpStatusInformation(int /*connfd*/, char* /*data*/, const u
 }


-static void commandserviceChanged(int connfd, char *data, const unsigned dataLength)
-{
-	t_channel_id *uniqueServiceKey;
-	if (dataLength != sizeof(sectionsd::commandSetServiceChanged))
-		goto out;
-
-	uniqueServiceKey = &(((sectionsd::commandSetServiceChanged *)data)->channel_id);
-
-	dprintf("[sectionsd] commandserviceChanged: Service changed to " PRINTF_CHANNEL_ID_TYPE "\n", *uniqueServiceKey);
-
-	messaging_last_requested = time_monotonic();
-
-	if(checkBlacklist(*uniqueServiceKey))
-	{
-		if (!channel_is_blacklisted) {
-			channel_is_blacklisted = true;
-			threadCN.request_pause();
-			//dmxEIT.request_pause();
-			threadEIT.request_pause();
-#ifdef ENABLE_SDT
-			dmxSDT.request_pause();
-#endif
-		}
-		xprintf("[sectionsd] commandserviceChanged: service is filtered!\n");
-	}
-	else
-	{
-		if (channel_is_blacklisted) {
-			channel_is_blacklisted = false;
-			threadCN.request_unpause();
-			//dmxEIT.request_unpause();
-			threadEIT.request_unpause();
-#ifdef ENABLE_SDT
-			dmxSDT.request_unpause();
-#endif
-			xprintf("[sectionsd] commandserviceChanged: service is no longer filtered!\n");
-		}
-	}
-
-	//TODO move check to time thread
-	if(checkNoDVBTimelist(*uniqueServiceKey))
-	{
-		if (dvb_time_update) {
-			dvb_time_update = false;
-		}
-		xprintf("[sectionsd] commandserviceChanged: DVB time update is blocked!\n");
-	}
-	else
-	{
-		if (!dvb_time_update) {
-			dvb_time_update = true;
-			xprintf("[sectionsd] commandserviceChanged: DVB time update is allowed!\n");
-		}
-	}
-
-	if (messaging_current_servicekey != *uniqueServiceKey)
-	{
-		//if (debug) showProfiling("[sectionsd] commandserviceChanged: before events lock");
-		writeLockEvents();
-		//if (debug) showProfiling("[sectionsd] commandserviceChanged: after events lock");
-		if (myCurrentEvent) {
-			delete myCurrentEvent;
-			myCurrentEvent = NULL;
-		}
-		if (myNextEvent) {
-			delete myNextEvent;
-			myNextEvent = NULL;
-		}
-		unlockEvents();
-		writeLockMessaging();
-		messaging_current_servicekey = *uniqueServiceKey;
-		messaging_have_CN = 0x00;
-		messaging_got_CN = 0x00;
-		messaging_zap_detected = true;
-		messaging_need_eit_version = false;
-		unlockMessaging();
-		threadCN.setCurrentService(messaging_current_servicekey);
-		threadEIT.setCurrentService(messaging_current_servicekey);
-#ifdef ENABLE_FREESATEPG
-		dmxFSEIT.setCurrentService(messaging_current_servicekey);
-#endif
-#ifdef ENABLE_SDT
-		dmxSDT.setCurrentService(messaging_current_servicekey);
-#endif
-	}
-	else
-		dprintf("[sectionsd] commandserviceChanged: no change...\n");
-
-out:
-	struct sectionsd::msgResponseHeader msgResponse;
-	msgResponse.dataLength = 0;
-	writeNbytes(connfd, (const char *)&msgResponse, sizeof(msgResponse), WRITE_TIMEOUT_IN_SECONDS);
-
-	dprintf("[sectionsd] commandserviceChanged: END!!\n");
-	return ;
-}
-
 static void commandGetIsTimeSet(int connfd, char* /*data*/, const unsigned /*dataLength*/)
 {
 	sectionsd::responseIsTimeSet rmsg;
@@ -1235,11 +1223,17 @@ static void commandSetConfig(int connfd, char *data, const unsigned /*dataLength
 static void deleteSIexceptEPG()
 {
 	writeLockServices();
+	mySIservicesOrderUniqueKey.clear();
 	unlockServices();
-	//dmxEIT.dropCachedSectionIDs();
 	threadEIT.dropCachedSectionIDs();
+	threadEIT.change(0);
 #ifdef ENABLE_SDT
 	dmxSDT.dropCachedSectionIDs();
+	dmxSDT.change(0);
+#endif
+#ifdef ENABLE_FREESATEPG
+	dmxFSEIT.setCurrentService(messaging_current_servicekey);
+	dmxFSEIT.change(0);
 #endif
 }

@@ -1286,7 +1280,6 @@ showProfiling("commandFreeMemory end2");
 	return ;
 }

-void *insertEventsfromFile(void * data);
 static void commandReadSIfromXML(int connfd, char *data, const unsigned dataLength)
 {
 	pthread_t thrInsert;
@@ -1317,7 +1310,6 @@ static void commandReadSIfromXML(int connfd, char *data, const unsigned dataLeng
 	return ;
 }

-void writeEventsToFile(char *epgdir);
 static void commandWriteSI2XML(int connfd, char *data, const unsigned dataLength)
 {
 	char epgdir[100] = "";
@@ -1458,6 +1450,8 @@ static void *timeThread(void *)
 	bool time_ntp = false;
 	bool success = true;

+	//t_channel_id time_trigger_last = 0;
+
 	pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);

 	dprintf("[%sThread] pid %d (%lu) start\n", "time", getpid(), pthread_self());
@@ -1469,6 +1463,13 @@ static void *timeThread(void *)
 				break;
 			sleep(1);
 		}
+#if 0
+		t_channel_id new_transponder = (messaging_current_servicekey & 0xFFFFFFFF0000ULL);
+		if (time_trigger_last != new_transponder)
+		{
+			time_trigger_last = new_transponder;
+		}
+#endif
 		if (bTimeCorrect == true) {		// sectionsd started with parameter "-tc"
 			if (first_time == true) {	// only do this once!
 				time_t actTime;
@@ -1783,44 +1784,7 @@ static void *fseitThread(void *)
 			unlockMessaging();
 		}

-		SIsectionEIT eit(static_buf);
-		// Houdini: if section is not parsed (too short) -> no need to check events
-		if (!eit.is_parsed())
-			continue;
-
-		//dprintf("[eitThread] adding %d events [table 0x%x] (begin)\n", eit.events().size(), eit.getTableId());
-		zeit = time(NULL);
-		// Nicht alle Events speichern
-		for (SIevents::iterator e = eit.events().begin(); e != eit.events().end(); ++e)
-		{
-			if (!(e->times.empty()))
-			{
-				if ( ( e->times.begin()->startzeit < zeit + secondsToCache ) &&
-						( ( e->times.begin()->startzeit + (long)e->times.begin()->dauer ) > zeit - oldEventsAre ) )
-				{
-					addEvent(*e, zeit);
-				}
-			}
-			else
-			{
-				// pruefen ob nvod event
-				readLockServices();
-				MySIservicesNVODorderUniqueKey::iterator si = mySIservicesNVODorderUniqueKey.find(e->get_channel_id());
-
-				if (si != mySIservicesNVODorderUniqueKey.end())
-				{
-					// Ist ein nvod-event
-					writeLockEvents();
-
-					for (SInvodReferences::iterator i = si->second->nvods.begin(); i != si->second->nvods.end(); ++i)
-						mySIeventUniqueKeysMetaOrderServiceUniqueKey.insert(std::make_pair(i->uniqueKey(), e->uniqueKey()));
-
-					unlockEvents();
-					addNVODevent(*e);
-				}
-				unlockServices();
-			}
-		} // for
+		addEvents();
 		//dprintf("[eitThread] added %d events (end)\n",  eit.events().size());
 	} // for
 	delete[] static_buf;
@@ -1830,6 +1794,45 @@ static void *fseitThread(void *)
 }
 #endif

+bool CSectionThread::addEvents()
+{
+	SIsectionEIT eit(static_buf);
+
+	if (!eit.is_parsed())
+		return false;
+
+	dprintf("[eitThread] adding %d events [table 0x%x] (begin)\n", eit.events().size(), eit.getTableId());
+	time_t zeit = time(NULL);
+
+	for (SIevents::iterator e = eit.events().begin(); e != eit.events().end(); ++e) {
+		if (!(e->times.empty())) {
+			if ( ( e->times.begin()->startzeit < zeit + secondsToCache ) &&
+					( ( e->times.begin()->startzeit + (long)e->times.begin()->dauer ) > zeit - oldEventsAre ) )
+			{
+				addEvent(*e, zeit, e->table_id == 0x4e);
+				event_count++;
+			}
+		} else {
+			// pruefen ob nvod event
+			readLockServices();
+			MySIservicesNVODorderUniqueKey::iterator si = mySIservicesNVODorderUniqueKey.find(e->get_channel_id());
+
+			if (si != mySIservicesNVODorderUniqueKey.end()) {
+				// Ist ein nvod-event
+				writeLockEvents();
+
+				for (SInvodReferences::iterator i = si->second->nvods.begin(); i != si->second->nvods.end(); ++i)
+					mySIeventUniqueKeysMetaOrderServiceUniqueKey.insert(std::make_pair(i->uniqueKey(), e->uniqueKey()));
+
+				unlockEvents();
+				addNVODevent(*e);
+			}
+			unlockServices();
+		}
+	} // for
+	return true;
+}
+
 //---------------------------------------------------------------------
 //			EIT-thread
 // reads EPG-datas
@@ -1837,16 +1840,14 @@ static void *fseitThread(void *)

 void CEitThread::run()
 {
-	xprintf("CEitThread::run:: starting..\n");
-
 	name = "eitThread";
+	xprintf("%s::run:: starting, pid %d (%lu)\n", name.c_str(), getpid(), pthread_self());
+
 	pID = 0x12;
 	timeoutInMSeconds = EIT_READ_TIMEOUT;

 	bool sendToSleepNow = false;

-	pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
-
 	/* These filters are a bit tricky (index numbers):
 	   - 0   Dummy filter, to make this thread sleep for some seconds
 	   - 1   then get other TS's current/next (this TS's cur/next are
@@ -1855,7 +1856,6 @@ void CEitThread::run()
 	   - 4   then get the other TS's scheduled events,
 	   - 4ab (in two steps to reduce the POLLERRs on the DMX device)
 	   */
-	// -- set EIT filter  0x4e-0x6F
 	addfilter(0x00, 0x00); //0 dummy filter
 	addfilter(0x50, 0xf0); //1  current TS, scheduled
 	addfilter(0x4f, 0xff); //2  other TS, current/next
@@ -1869,160 +1869,63 @@ void CEitThread::run()
 	if (sections_debug)
 		dump_sched_info("eitThread");

-	dprintf("[%sThread] pid %d (%lu) start\n", "eit", getpid(), pthread_self());
-	int rc;
-
-	if (static_buf == NULL)
-	{
-		xprintf("%s: could not allocate static_buf\n", __FUNCTION__);
-		pthread_exit(NULL);
-	}
+	waitForTimeset();
+	xprintf("%s::run:: time set.\n", name.c_str());

 	DMX::start(); // -> unlock
-	if (!scanning)
-		request_pause();

-	waitForTimeset();
-	lastChanged = time_monotonic();
-
-int cnt = 0;
 	while (running) {
-		while (!scanning) {
-			if(sectionsd_stop)
-				break;
-			sleep(1);
-		}
-		if(sectionsd_stop)
-			break;
-
-		time_t zeit = time_monotonic();
-
-		rc = getSection(static_buf, timeoutInMSeconds, timeoutsDMX);
-
-		if(sectionsd_stop)
-			break;
-
-		if (timeoutsDMX < 0 && !channel_is_blacklisted)
-		{
-			dprintf("[eitThread] skipping to next filter(%d) (timeouts %d > %s)\n", filter_index+1, timeoutsDMX,
-				timeoutsDMX == -1 ? "HAS_ALL_SECTIONS_SKIPPING" : timeoutsDMX == -2 ? "HAS_ALL_CURRENT_SECTIONS_SKIPPING" : "UNKNOWN");
-
-			timeoutsDMX = 0;
-
-			if (!next_filter())
-				sendToSleepNow = true;
-		}
-
-		if (timeoutsDMX >= CHECK_RESTART_DMX_AFTER_TIMEOUTS && scanning && !channel_is_blacklisted)
-		{
-			dprintf("[eitThread] skipping to next filter(%d) (> DMX_TIMEOUT_SKIPPING %d)\n", filter_index+1, timeoutsDMX);
-
-			timeoutsDMX = 0;
-
-			if (!next_filter())
-				sendToSleepNow = true;
-		}
-
-		if (sendToSleepNow || channel_is_blacklisted)
-		{
-			sendToSleepNow = false;
-
-			real_pause();
+		if(sendToSleepNow || !scanning || channel_is_blacklisted) {
+			xprintf("%s: going to sleep %d seconds, running %d scanning %d blacklisted %d events %d\n",
+					name.c_str(), TIME_EIT_SCHEDULED_PAUSE, running, scanning, channel_is_blacklisted, event_count);
+			event_count = 0;

 			writeLockMessaging();
 			messaging_zap_detected = false;
 			unlockMessaging();

-xprintf("dmxEIT: going to sleep for %d seconds, added %d events\n\n", TIME_EIT_SCHEDULED_PAUSE, cnt);
-cnt = 0;
-
 			int rs = 0;
 			do {
+				real_pause();
 				rs = Sleep(TIME_EIT_SCHEDULED_PAUSE);
-			} while (channel_is_blacklisted);
+				xprintf("%s: wakeup, running %d scanning %d blacklisted %d reason %d\n\n", name.c_str(), running, scanning, channel_is_blacklisted, rs);
+			} while(running && (!scanning || channel_is_blacklisted));

+			if(!running)
+				break;
 			if (rs == ETIMEDOUT)
-			{
-				dprintf("dmxEIT: waking up again - timed out\n");
-				dprintf("New Filterindex: %d (ges. %d)\n", 2, (signed) filters.size() );
 				change(1); // -> restart
-			}
-			else if (rs == 0)
-			{
-				dprintf("dmxEIT: waking up again - requested from .change()\n");
-			}
-			else
-			{
-				dprintf("dmxEIT:  waking up again - unknown reason %d\n",rs);
-				real_unpause();
-			}
-			// update zeit after sleep
-			zeit = time_monotonic();
+			sendToSleepNow = false;
 		}
-		else if (zeit > lastChanged + TIME_EIT_SKIPPING )
-		{
+
+		int rc = getSection(static_buf, timeoutInMSeconds, timeoutsDMX);
+
+		if (rc > 0)
+			addEvents();
+
+		time_t zeit = time_monotonic();
+		bool need_change = false;
+
+		if(timeoutsDMX < 0 || timeoutsDMX >= CHECK_RESTART_DMX_AFTER_TIMEOUTS) {
+			xprintf("%s: skipping to next filter %d from %d (timeouts %d)\n", name.c_str(), filter_index+1, filters.size(), timeoutsDMX);
+			timeoutsDMX = 0;
+			need_change = true;
+		}
+		if (zeit > lastChanged + TIME_EIT_SKIPPING) {
+			xprintf("%s: skipping to next filter %d from %d (TIME_EIT_SKIPPING)\n", name.c_str(), filter_index+1, filters.size());
+			need_change = true;
+		}
+
+		if(running && need_change && scanning && !channel_is_blacklisted) {
 			readLockMessaging();
-
-			dprintf("[eitThread] skipping to next filter(%d) (> TIME_EIT_SKIPPING)\n", filter_index+1 );
-
 			if (!next_filter())
 				sendToSleepNow = true;
-
 			unlockMessaging();
 		}
+	} // while running

-		if (rc < 0)
-			continue;
-
-		if(sectionsd_stop)
-			break;
-
-		SIsectionEIT eit(static_buf);
-
-		if (!eit.is_parsed())
-			continue;
-
-		dprintf("[eitThread] adding %d events [table 0x%x] (begin)\n", eit.events().size(), eit.getTableId());
-		zeit = time(NULL);
-
-		for (SIevents::iterator e = eit.events().begin(); e != eit.events().end(); ++e)
-		{
-			if (!(e->times.empty()))
-			{
-				if ( ( e->times.begin()->startzeit < zeit + secondsToCache ) &&
-						( ( e->times.begin()->startzeit + (long)e->times.begin()->dauer ) > zeit - oldEventsAre ) )
-				{
-					//printf("Adding event 0x%llx table %x version %x running %d\n", e->uniqueKey(), eit.getTableId(), eit.getVersionNumber(), e->runningStatus());
-					addEvent(*e, zeit);
-					cnt++;
-				}
-			}
-			else
-			{
-				// pruefen ob nvod event
-				readLockServices();
-				MySIservicesNVODorderUniqueKey::iterator si = mySIservicesNVODorderUniqueKey.find(e->get_channel_id());
-
-				if (si != mySIservicesNVODorderUniqueKey.end())
-				{
-					// Ist ein nvod-event
-					writeLockEvents();
-
-					for (SInvodReferences::iterator i = si->second->nvods.begin(); i != si->second->nvods.end(); ++i)
-						mySIeventUniqueKeysMetaOrderServiceUniqueKey.insert(std::make_pair(i->uniqueKey(), e->uniqueKey()));
-
-					unlockEvents();
-					addNVODevent(*e);
-				}
-				unlockServices();
-			}
-		} // for
-		//dprintf("[eitThread] added %d events (end)\n",  eit.events().size());
-	} // for
 	delete[] static_buf;
-
-	printf("[sectionsd] eitThread ended\n");
-
+	printf("[sectionsd] %s ended\n", name.c_str());
 	pthread_exit(NULL);
 }

@@ -2032,7 +1935,8 @@ cnt = 0;

 void CCNThread::run()
 {
-	xprintf("CCNThread::run:: starting..\n");
+	name = "cnThread";
+	xprintf("%s::run:: starting, pid %d (%lu)\n", name.c_str(), getpid(), pthread_self());
 	pID = 0x12;
 	dmx_num = 1;
 	cache = false;
@@ -2041,18 +1945,11 @@ void CCNThread::run()
 	   make it too long... */
 	timeoutInMSeconds = EIT_READ_TIMEOUT;
 	bool sendToSleepNow = false;
-	pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);

 	// -- set EIT filter  0x4e
 	addfilter(0x4e, 0xff); //0  current TS, current/next

-	dprintf("[%sThread] pid %d (%lu) start\n", "cn", getpid(), pthread_self());
-	t_channel_id time_trigger_last = 0;
-	int rc;
-
-	DMX::start(); // -> unlock
-	if (!scanning)
-		request_pause();
+	//t_channel_id time_trigger_last = 0;

 	writeLockMessaging();
 	messaging_eit_is_busy = true;
@@ -2062,24 +1959,57 @@ void CCNThread::run()
 	waitForTimeset();
 	xprintf("CCNThread::run:: time set..\n");

-	time_t eit_waiting_since = time_monotonic();
-	lastChanged = eit_waiting_since;
+	DMX::start(); // -> unlock
+
+	//time_t eit_waiting_since = time_monotonic();

-int cnt = 0;
 	while(running)
 	{
-		while (!scanning) {
-			sleep(1);
-			if(sectionsd_stop)
-				break;
-		}
-		if(sectionsd_stop)
-			break;
+		if(sendToSleepNow || !scanning || channel_is_blacklisted) {
+			xprintf("%s: going to sleep, running %d scanning %d blacklisted %d events %d\n", name.c_str(), running, scanning, channel_is_blacklisted, event_count);
+			//xprintf("%s: eit_version %02x messaging_need_eit_version %d rc %d\n", name.c_str(), get_eit_version(), messaging_need_eit_version, rc);

-		rc = getSection(static_buf, timeoutInMSeconds, timeoutsDMX);
+			writeLockMessaging();
+			messaging_eit_is_busy = false;
+			unlockMessaging();
+
+			int rs = 0;
+			do {
+				real_pause();
+				pthread_mutex_lock( &start_stop_mutex );
+				if (!channel_is_blacklisted)
+					eit_set_update_filter(&eit_update_fd);
+				rs = pthread_cond_wait(&change_cond, &start_stop_mutex);
+				eit_stop_update_filter(&eit_update_fd);
+				pthread_mutex_unlock(&start_stop_mutex);
+				//rs = Sleep(TIME_EIT_SCHEDULED_PAUSE);
+				xprintf("%s: wakeup, running %d scanning %d blacklisted %d reason %d\n\n", name.c_str(), running, scanning, channel_is_blacklisted, rs);
+			} while(running && (!scanning || channel_is_blacklisted));
+
+			if(!running)
+				break;
+
+			sendToSleepNow = false;
+
+			writeLockMessaging();
+			messaging_need_eit_version = false;
+			messaging_eit_is_busy = true;
+			unlockMessaging();
+
+#if HAVE_IPBOX_HARDWARE
+			if (rs == 0)
+				change(0);
+#endif
+		}
+
+		int rc = getSection(static_buf, timeoutInMSeconds, timeoutsDMX);
+		if (rc > 0)
+			addEvents();

 		time_t zeit = time_monotonic();
 		if (update_eit) {
+#if 0
+			xprintf("%s: eit_version %02x messaging_need_eit_version %d rc %d\n", name.c_str(), get_eit_version(), messaging_need_eit_version, rc);
 			if (get_eit_version() != 0xff) {
 				writeLockMessaging();
 				messaging_need_eit_version = false;
@@ -2110,47 +2040,72 @@ int cnt = 0;
 					sendToSleepNow = true;
 				}
 			}
-
+#endif
 		} // if (update_eit)

 		readLockMessaging();
-		if (messaging_got_CN != messaging_have_CN) // timeoutsDMX < -1)
+		if (messaging_got_CN != messaging_have_CN)
 		{
-xprintf("dmxCN: have CN: timeoutsDMX %d messaging_got_CN %x messaging_have_CN %x\n\n", timeoutsDMX, messaging_got_CN, messaging_have_CN);
 			unlockMessaging();
 			writeLockMessaging();
 			messaging_have_CN = messaging_got_CN;
 			unlockMessaging();
+			xprintf("%s: have CN: timeoutsDMX %d messaging_have_CN %x messaging_got_CN %x\n\n",
+					name.c_str(), timeoutsDMX, messaging_have_CN, messaging_got_CN);
 			dprintf("[cnThread] got current_next (0x%x) - sending event!\n", messaging_have_CN);
 			eventServer->sendEvent(CSectionsdClient::EVT_GOT_CN_EPG,
 					CEventServer::INITID_SECTIONSD,
 					&messaging_current_servicekey,
 					sizeof(messaging_current_servicekey));
 			/* we received an event => reset timeout timer... */
-			eit_waiting_since = zeit;
+			//eit_waiting_since = zeit;
 			lastChanged = zeit; /* this is ugly - needs somehting better */
-			readLockMessaging();
+			//readLockMessaging();
 		}
+		else
+			unlockMessaging();
 #if 0
-		/* TODO ? change() from setServiceChanged trigger before service tuned,
-		 * check for complete cannot be used yet */
-		if(timeoutsDMX < 0) {
-xprintf("dmxCN: timeoutsDMX %d messaging_got_CN %x messaging_have_CN %x sid %016llx\n\n\n", timeoutsDMX, messaging_got_CN, messaging_have_CN, messaging_current_servicekey);
-			timeoutsDMX = 0;
-			sendToSleepNow = true;
-		}
-#endif
 		if (messaging_have_CN == 0x03) // current + next
 		{
-xprintf("dmxCN: have all CN timeoutsDMX %d messaging_got_CN %x messaging_have_CN %x\n\n", timeoutsDMX, messaging_got_CN, messaging_have_CN);
+			xprintf("%s: have all CN: timeoutsDMX %d messaging_have_CN %x messaging_got_CN %x\n\n",
+					name.c_str(), timeoutsDMX, messaging_have_CN, messaging_got_CN);
 			unlockMessaging();
-			sendToSleepNow = true;
+			//sendToSleepNow = true;
 			//timeoutsDMX = 0;
 		}
 		else {
 			unlockMessaging();
 		}
+#endif
+#if 1
+		if(timeoutsDMX < 0) {
+			xprintf("%s: timeoutsDMX %d messaging_got_CN %x messaging_have_CN %x sid %016llx\n\n",
+					name.c_str(), timeoutsDMX, messaging_got_CN, messaging_have_CN, messaging_current_servicekey);
+			timeoutsDMX = 0;
+			sendToSleepNow = true;
+		}
+#endif
+		if (zeit > lastChanged + TIME_EIT_VERSION_WAIT) {
+			xprintf("%s: zeit > lastChanged + TIME_EIT_VERSION_WAIT\n", name.c_str());
+			sendToSleepNow = true;
+		}

+		if (sendToSleepNow && messaging_have_CN == 0x00) {
+			/* send a "no epg" event anyway before going to sleep */
+			eventServer->sendEvent(CSectionsdClient::EVT_GOT_CN_EPG,
+					CEventServer::INITID_SECTIONSD,
+					&messaging_current_servicekey,
+					sizeof(messaging_current_servicekey));
+		}
+#if 0
+		/* ignore sleep if channel not blacklisted and messaging_need_eit_version == false */
+		if(!channel_is_blacklisted && messaging_need_eit_version) {
+			xprintf("%s: sendToSleepNow ignored: messaging_need_eit_version %d\n", name.c_str(), messaging_need_eit_version);
+			sendToSleepNow = false;
+		}
+#endif
+#if 0
+		/* sleep if channel blacklisted OR sleep requested and messaging_need_eit_version == false */
 		if ((sendToSleepNow && !messaging_need_eit_version) || channel_is_blacklisted)
 		{
 			sendToSleepNow = false;
@@ -2178,8 +2133,8 @@ xprintf("dmxCN: have all CN timeoutsDMX %d messaging_got_CN %x messaging_have_CN
 				pthread_mutex_unlock(&timeThreadSleepMutex);
 			}

-xprintf("\n\ndmxCN: going to sleep, added %d events\n\n", cnt);
-cnt = 0;
+			xprintf("dmxCN: going to sleep, processed %d events\n\n", event_count);
+			event_count = 0;

 			int rs;
 			do {
@@ -2225,32 +2180,10 @@ cnt = 0;
 						sizeof(messaging_current_servicekey));
 			continue;
 		}
-
-		if (rc < 0)
-			continue;
-
-		SIsectionEIT eit(static_buf);
-
-		if (!eit.is_parsed())
-			continue;
-
-		//dprintf("[cnThread] adding %d events [table 0x%x] (begin)\n", eit.events().size(), eit.getTableId());
-		zeit = time(NULL);
-//xprintf("dmxCN: add %d events, timeouts %d\n", eit.events().size(), timeoutsDMX);
-		for (SIevents::iterator e = eit.events().begin(); e != eit.events().end(); ++e)
-		{
-			if (!(e->times.empty()))
-			{
-				addEvent(*e, zeit, true); /* cn = true => fill in current / next event */
-				cnt++;
-			}
-		}
-		//dprintf("[cnThread] added %d events (end)\n",  eit.events().size());
+#endif
 	} // for
 	delete[] static_buf;
-
 	printf("[sectionsd] cnThread ended\n");
-
 	pthread_exit(NULL);
 }

@@ -2330,20 +2263,10 @@ static void *sdtThread(void *)
 	uint8_t *static_buf = new uint8_t[MAX_SECTION_LENGTH];
 	int rc;

-	if (static_buf == NULL)
-	{
-		xprintf("%s: could not allocate static_buf\n", __FUNCTION__);
-		pthread_exit(NULL);
-	}
-
-	dmxSDT.start(); // -> unlock
-
-	if (!scanning)
-		dmxSDT.request_pause();
-
 	bool startup = true;

 	waitForTimeset();
+	dmxSDT.start(); // -> unlock

 	while (!sectionsd_stop) {
 		while (!scanning) {
@@ -2695,7 +2618,8 @@ printf("SIevent size: %d\n", sizeof(SIevent));
 	}

 	printf("[sectionsd] stopping...\n");
-	scanning = 0;
+	//scanning = 0;
+
 	timeset = true;
 	printf("broadcasting...\n");
 	pthread_mutex_lock(&timeIsSetMutex);
@@ -3032,10 +2956,10 @@ void sectionsd_getCurrentNextServiceKey(t_channel_id uniqueServiceKey, CSections

 	unlockEvents();

-	//dprintf("change: %s, messaging_eit_busy: %s, last_request: %d\n", change?"true":"false", messaging_eit_is_busy?"true":"false",(time_monotonic() - messaging_last_requested));
+xprintf("change: %s, messaging_eit_busy: %s, last_request: %d\n", change?"true":"false", messaging_eit_is_busy?"true":"false",(int) (time_monotonic() - messaging_last_requested));
 	if (change && !messaging_eit_is_busy && (time_monotonic() - messaging_last_requested) < 11) {
 		/* restart dmxCN, but only if it is not already running, and only for 10 seconds */
-		dprintf("change && !messaging_eit_is_busy => dmxCN.change(0)\n");
+xprintf("change && !messaging_eit_is_busy => dmxCN.change(0)\n");
 		threadCN.change(0);
 	}
 }