LightTSDB

Light time series database class.

Introduction

This class store time series into the file system and can read float values by hours.

Features

• Choice of the store folder
• Indexed read
• Supported type float, double, int, bool.
• Compile on Linux and Windows, Intel or ARM.

Portability

Unit tests passed successfully on :

• Windows Seven (CPU Intel Celeron)
• Linux Ubuntu (CPU Intel Atom)
• (TO DO) Linux Raspian on Raspberry Pi (CPU ARM)
• (TO DO) Linux FunPlug on NAS DNS-320 (CPU ARM)

How to use

Add src into your project and see examples folder. For msvc add dependency/dirent folder.

To build, you can see CMakeLists.txt, Code::Blocks or MSVC projects in builds folder.

For example :

	int main()
	{
		LightTSDB::LightTSDB myTSDB;
		LightTSDB::DataValue lastValue;
	    list<LightTSDB::DataValue> myValues;


		///*** Write float value
		float temperature = 22.35f;
		myTSDB.WriteValue("BedRoomTemperature", temperature);
		
		///*** Read last float value
		myTSDB.ReadLastValue("BedRoomTemperature", lastValue);

		///*** Read values for hour
		myTSDB.ReadValues("BedRoomTemperature", time(), myValues);
		
		return 0;
	}

Licence

LightTSDB is free software : you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

LightTSDB is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with LightTSDB. If not, see http://www.gnu.org/licenses/.