Move LoadMonitor definitions to the .cpp

src/cpp/ripple/LoadMonitor.cpp

@@ -2,25 +2,47 @@
 
 SETUP_LOG (LoadMonitor)
 
-void LoadMonitor::update()
-{ // call with the mutex
+LoadMonitor::LoadMonitor ()
+	: mCounts (0)
+	, mLatencyEvents (0)
+	, mLatencyMSAvg (0)
+	, mLatencyMSPeak (0)
+	, mTargetLatencyAvg (0)
+	, mTargetLatencyPk (0)
+    , mLastUpdate (UptimeTimer::getInstance().getElapsedSeconds ())
+{
+}
+
+// VFALCO: NOTE WHY do we need "the mutex?" This dependence on
+//         a hidden global, especially a synchronization primitive,
+//         is a flawed design.
+//         It's not clear exactly which data needs to be protected.
+//
+// call with the mutex
+void LoadMonitor::update ()
+{
 	int now = UptimeTimer::getInstance().getElapsedSeconds ();
 
+    // VFALCO: TODO stop returning from the middle of functions.
+
 	if (now == mLastUpdate) // current
 		return;
 
 	if ((now < mLastUpdate) || (now > (mLastUpdate + 8)))
-	{ // way out of date
+	{
+        // way out of date
 		mCounts = 0;
 		mLatencyEvents = 0;
 		mLatencyMSAvg = 0;
 		mLatencyMSPeak = 0;
 		mLastUpdate = now;
+        // VFALCO: TODO, don't return from the middle...
 		return;
 	}
 
+    // do exponential decay
 	do
-	{ // do exponential decay
+	{
 		++mLastUpdate;
 		mCounts -= ((mCounts + 3) / 4);
 		mLatencyEvents -= ((mLatencyEvents + 3) / 4);
@@ -29,7 +51,7 @@ void LoadMonitor::update()
 	} while (mLastUpdate < now);
 }
 
-void LoadMonitor::addCount()
+void LoadMonitor::addCount ()
 {
 	boost::mutex::scoped_lock sl(mLock);
 
@@ -37,7 +59,7 @@ void LoadMonitor::addCount()
 	++mCounts;
 }
 
-void LoadMonitor::addLatency(int latency)
+void LoadMonitor::addLatency (int latency)
 {
 	if (latency == 1)
 		latency = 0;
@@ -54,7 +76,7 @@ void LoadMonitor::addLatency(int latency)
 		mLatencyMSPeak = lp;
 }
 
-void LoadMonitor::addCountAndLatency(const std::string& name, int latency)
+void LoadMonitor::addCountAndLatency (const std::string& name, int latency)
 {
 	if (latency > 500)
 	{
@@ -76,7 +98,19 @@ void LoadMonitor::addCountAndLatency(const std::string& name, int latency)
 		mLatencyMSPeak = lp;
 }
 
-bool LoadMonitor::isOver()
+void LoadMonitor::setTargetLatency (uint64 avg, uint64 pk)
+{
+	mTargetLatencyAvg  = avg;
+	mTargetLatencyPk = pk;
+}
+
+bool LoadMonitor::isOverTarget (uint64 avg, uint64 peak)
+{
+	return (mTargetLatencyPk && (peak > mTargetLatencyPk)) ||
+		(mTargetLatencyAvg && (avg > mTargetLatencyAvg));
+}
+
+bool LoadMonitor::isOver ()
 {
 	boost::mutex::scoped_lock sl(mLock);
 
@@ -88,7 +122,7 @@ bool LoadMonitor::isOver()
 	return isOverTarget(mLatencyMSAvg / (mLatencyEvents * 4), mLatencyMSPeak / (mLatencyEvents * 4));
 }
 
-void LoadMonitor::getCountAndLatency(uint64& count, uint64& latencyAvg, uint64& latencyPeak, bool& isOver)
+void LoadMonitor::getCountAndLatency (uint64& count, uint64& latencyAvg, uint64& latencyPeak, bool& isOver)
 {
 	boost::mutex::scoped_lock sl(mLock);
 
@@ -106,7 +140,8 @@ void LoadMonitor::getCountAndLatency(uint64& count, uint64& latencyAvg, uint64&
 		latencyAvg = mLatencyMSAvg / (mLatencyEvents * 4);
 		latencyPeak = mLatencyMSPeak / (mLatencyEvents * 4);
 	}
-	isOver = isOverTarget(latencyAvg, latencyPeak);
+
+    isOver = isOverTarget(latencyAvg, latencyPeak);
 }
 
 // vim:ts=4

src/cpp/ripple/LoadMonitor.h

@@ -12,39 +12,27 @@
 class LoadMonitor
 {
 public:
-	LoadMonitor()
-		: mCounts(0)
-		, mLatencyEvents(0)
-		, mLatencyMSAvg(0)
-		, mLatencyMSPeak(0)
-		, mTargetLatencyAvg(0)
-		, mTargetLatencyPk(0)
-	{
-		mLastUpdate = UptimeTimer::getInstance().getElapsedSeconds ();
-	}
+	LoadMonitor ();
 
-	void addCount();
-	void addLatency(int latency);
-	void addCountAndLatency(const std::string& name, int latency);
+	void addCount ();
+	
+    void addLatency (int latency);
 
-	void setTargetLatency(uint64 avg, uint64 pk)
-	{
-		mTargetLatencyAvg  = avg;
-		mTargetLatencyPk = pk;
-	}
+    void addCountAndLatency (const std::string& name, int latency);
 
-	bool isOverTarget(uint64 avg, uint64 peak)
-	{
-		return (mTargetLatencyPk && (peak > mTargetLatencyPk)) ||
-			(mTargetLatencyAvg && (avg > mTargetLatencyAvg));
-	}
+	void setTargetLatency (uint64 avg, uint64 pk);
 
-	void getCountAndLatency(uint64& count, uint64& latencyAvg, uint64& latencyPeak, bool& isOver);
-	bool isOver();
+	bool isOverTarget(uint64 avg, uint64 peak);
+
+    // VFALCO: TODO, make this return the values in a struct.
+	void getCountAndLatency (uint64& count, uint64& latencyAvg, uint64& latencyPeak, bool& isOver);
+
+    bool isOver ();
 
 private:
-	void update();
+	void update ();
 
+	boost::mutex		mLock;
     uint64				mCounts;
 	uint64				mLatencyEvents;
 	uint64				mLatencyMSAvg;
@@ -52,7 +40,6 @@ private:
 	uint64				mTargetLatencyAvg;
 	uint64				mTargetLatencyPk;
 	int					mLastUpdate;
-	boost::mutex		mLock;
 };
 
 #endif