[seiscomp, scanloc] Install, add .gitignore

include/seiscomp/client/monitor.h

@@ -0,0 +1,114 @@
+/***************************************************************************
+ * Copyright (C) gempa GmbH                                                *
+ * All rights reserved.                                                    *
+ * Contact: gempa GmbH (seiscomp-dev@gempa.de)                             *
+ *                                                                         *
+ * GNU Affero General Public License Usage                                 *
+ * This file may be used under the terms of the GNU Affero                 *
+ * Public License version 3.0 as published by the Free Software Foundation *
+ * and appearing in the file LICENSE included in the packaging of this     *
+ * file. Please review the following information to ensure the GNU Affero  *
+ * Public License version 3.0 requirements will be met:                    *
+ * https://www.gnu.org/licenses/agpl-3.0.html.                             *
+ *                                                                         *
+ * Other Usage                                                             *
+ * Alternatively, this file may be used in accordance with the terms and   *
+ * conditions contained in a signed written agreement between you and      *
+ * gempa GmbH.                                                             *
+ ***************************************************************************/
+
+
+#ifndef SEISCOMP_UTILS_MONITOR_H
+#define SEISCOMP_UTILS_MONITOR_H
+
+#include <seiscomp/client.h>
+#include <seiscomp/core/datetime.h>
+#include <string>
+#include <vector>
+#include <list>
+
+
+namespace Seiscomp {
+namespace Client {
+
+
+//! A running average calculator that logs the number of
+//! objects/thingies in a certain interval. The accuracy is
+//! a second.
+class SC_SYSTEM_CLIENT_API RunningAverage {
+	public:
+		RunningAverage(int timeSpanInSeconds);
+
+
+	public:
+		int timeSpan() const { return _timeSpan; }
+
+		void push(const Core::Time &time, size_t count = 1);
+
+		//! Returns the current count per time span.
+		int count(const Core::Time &time) const;
+
+		//! Returns the value (average) per time span.
+		double value(const Core::Time &time) const;
+
+		//! Returns the timestamp of the last values pushed
+		Core::Time last() const;
+
+		void dumpBins() const;
+
+
+	private:
+		Core::Time          _first;
+		Core::Time          _last;
+		size_t              _timeSpan;
+		double              _scale;
+		mutable
+		double              _shift;
+		mutable
+		std::vector<size_t> _bins;
+		size_t              _front;
+};
+
+
+class SC_SYSTEM_CLIENT_API ObjectMonitor {
+	public:
+		typedef RunningAverage Log;
+
+		ObjectMonitor(int timeSpanInSeconds);
+		~ObjectMonitor();
+
+
+	public:
+		Log *add(const std::string &name, const std::string &channel = "");
+		void update(const Core::Time &time);
+
+
+	public:
+		struct Test {
+			std::string  name;
+			std::string  channel;
+			Core::Time   updateTime;
+			size_t       count;
+			Log         *test;
+		};
+
+		typedef std::list<Test> Tests;
+		typedef Tests::const_iterator const_iterator;
+
+		const_iterator begin() const;
+		const_iterator end() const;
+
+		size_t size() const;
+
+
+	private:
+		Tests _tests;
+		int   _timeSpan;
+};
+
+
+}
+}
+
+
+#endif