I forgot to commit loadavg.h and loadavg.cpp

git-svn-id: svn://ttmath.org/publicrep/winix/trunk@579 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/loadavg.h

@@ -0,0 +1,114 @@
+/*
+ * This file is a part of CMSLU -- Content Management System like Unix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2008-2010, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#ifndef headerfilecmslucoreloadavg
+#define headerfilecmslucoreloadavg
+
+#include <ctime>
+
+
+
+
+// in seconds
+#define WINIX_LOADAVG_GRANULARITY1		2
+#define WINIX_LOADAVG_GRANULARITY5		15
+#define WINIX_LOADAVG_GRANULARITY15		45
+
+
+
+class LoadAvg
+{
+public:
+	LoadAvg();
+	~LoadAvg();
+	LoadAvg & operator=(const LoadAvg & l);
+	LoadAvg(const LoadAvg & l);
+
+	void StartRequest();
+	void StopRequest();
+
+	double LoadAvgNow(); // load average withing last WINIX_LOADAVG_GRANULARITY1 seconds
+	double LoadAvg1();
+	double LoadAvg5();
+	double LoadAvg15();
+
+	double ReqPerSecNow();
+	double ReqPerSec1();
+	double ReqPerSec5();
+	double ReqPerSec15();
+
+private:
+
+	struct Times
+	{
+		double dr; // time for the request (in seconds)
+		double dp; // time for the pause between requestes (in seconds)
+		long req;  // how many requests 
+
+		void Clear()
+		{
+			dr  = 0.0;
+			dp  = 0.0;
+			req = 0;
+		}
+
+		Times & operator=(const Times & t)
+		{
+			dr  = t.dr;
+			dp  = t.dp;
+			req = t.req;
+
+		return *this;
+		}
+	};
+
+	void CheckTimers();
+	void UpdateTimer1();
+	void UpdateTimer5();
+	void UpdateTimer15();
+
+	Times current1;
+	Times current5;
+	Times current15;
+
+	void CreateTable(size_t seconds, size_t granulatiry, Times* & tab, size_t & len);
+	void CreateTable();
+
+	void MoveTab(Times * tab, size_t len);
+	void SumTab(Times * tab, size_t len, double expected, Times & t);
+
+	void Calculate1();
+	void Calculate5();
+	void Calculate15();
+
+	bool was_stop_request;
+	timespec start_req, stop_req;
+	
+	Times * tab1;
+	size_t len1;
+
+	Times * tab5;
+	size_t len5;
+
+	Times * tab15;
+	size_t len15;
+
+	double cache_load1;
+	double cache_load5;
+	double cache_load15;
+
+	double cache_req_per_sec1;
+	double cache_req_per_sec5;
+	double cache_req_per_sec15;
+};
+
+
+
+
+#endif