From 39410381b5f023663c70c4dec09dc1eae287259d Mon Sep 17 00:00:00 2001
From: ghost <andreas.monzner@multimedia-labs.de>
Date: Wed, 3 Dec 2008 23:47:36 +0100
Subject: [PATCH] sync rtc time with linux time every 30 minutes when no
 transponder is tuned.. we need a fix for hardware without RTC...

---
 lib/dvb/dvbtime.cpp | 16 ++++++++++++++--
 lib/dvb/dvbtime.h   |  2 ++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/dvb/dvbtime.cpp b/lib/dvb/dvbtime.cpp
index c433579..d879cfa 100644
--- a/lib/dvb/dvbtime.cpp
+++ b/lib/dvb/dvbtime.cpp
@@ -11,6 +11,8 @@
 #define FP_IOCTL_SET_RTC         0x101
 #define FP_IOCTL_GET_RTC         0x102
 
+#define TIME_UPDATE_INTERVAL (30*60*1000)
+
 static time_t prev_time;
 
 void setRTC(time_t time)
@@ -143,7 +145,7 @@ eDVBLocalTimeHandler *eDVBLocalTimeHandler::instance;
 DEFINE_REF(eDVBLocalTimeHandler);
 
 eDVBLocalTimeHandler::eDVBLocalTimeHandler()
-	:m_time_ready(false)
+	:m_time_ready(false), m_updateNonTunedTimer(eTimer::create(eApp))
 {
 	if ( !instance )
 		instance=this;
@@ -164,6 +166,7 @@ eDVBLocalTimeHandler::eDVBLocalTimeHandler()
 			/*emit*/ m_timeUpdated();
 		}
 	}
+	CONNECT(m_updateNonTunedTimer->timeout, eDVBLocalTimeHandler::updateNonTuned);
 }
 
 eDVBLocalTimeHandler::~eDVBLocalTimeHandler()
@@ -211,6 +214,12 @@ void eDVBLocalTimeHandler::writeTimeOffsetData( const char* filename )
 	}
 }
 
+void eDVBLocalTimeHandler::updateNonTuned()
+{
+	updateTime(-1, 0, 0);
+	m_updateNonTunedTimer->start(TIME_UPDATE_INTERVAL, true);
+}
+
 void eDVBLocalTimeHandler::updateTime( time_t tp_time, eDVBChannel *chan, int update_count )
 {
 	int time_difference;
@@ -397,7 +406,7 @@ void eDVBLocalTimeHandler::updateTime( time_t tp_time, eDVBChannel *chan, int up
 			int updateCount = it->second.tdt->getUpdateCount();
 			it->second.tdt = 0;
 			it->second.tdt = new TDT(chan, updateCount);
-			it->second.tdt->startTimer(60*60*1000);  // restart TDT for this transponder in 60min
+			it->second.tdt->startTimer(TIME_UPDATE_INTERVAL);  // restart TDT for this transponder in 30min
 		}
 	}
 }
@@ -430,12 +439,15 @@ void eDVBLocalTimeHandler::DVBChannelStateChanged(iDVBChannel *chan)
 			{
 				case iDVBChannel::state_ok:
 					eDebug("[eDVBLocalTimerHandler] channel %p running", chan);
+					m_updateNonTunedTimer->stop();
 					it->second.tdt = new TDT(it->second.channel);
 					it->second.tdt->start();
 					break;
 				case iDVBChannel::state_release:
 					eDebug("[eDVBLocalTimerHandler] remove channel %p", chan);
 					m_knownChannels.erase(it);
+					if (m_knownChannels.empty())
+						m_updateNonTunedTimer->start(TIME_UPDATE_INTERVAL, true);
 					break;
 				default: // ignore all other events
 					return;
diff --git a/lib/dvb/dvbtime.h b/lib/dvb/dvbtime.h
index f403ffd..3f8d9b7 100644
--- a/lib/dvb/dvbtime.h
+++ b/lib/dvb/dvbtime.h
@@ -54,6 +54,7 @@ class eDVBLocalTimeHandler: public Object
 		ePtr<eConnection> m_stateChangedConn;
 		int m_prevChannelState;
 	};
+	ePtr<eTimer> m_updateNonTunedTimer;
 	friend class TDT;
 	std::map<iDVBChannel*, channel_data> m_knownChannels;
 	std::map<eDVBChannelID,int> m_timeOffsetMap;
@@ -66,6 +67,7 @@ class eDVBLocalTimeHandler: public Object
 	void readTimeOffsetData(const char*);
 	void writeTimeOffsetData(const char*);
 	void updateTime(time_t tp_time, eDVBChannel*, int updateCount);
+	void updateNonTuned();
 	static eDVBLocalTimeHandler *instance;
 #ifdef SWIG
 	eDVBLocalTimeHandler();
-- 
2.7.4