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architecture [2011/12/05 00:20] jap |
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| ====== Software architecture ====== | ====== Software architecture ====== | ||
| This page is part of my [[projects|Home Automation]] project. | This page is part of my [[projects|Home Automation]] project. | ||
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| + | The content is out of date at the monent. | ||
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| The software has database centric architecture. Database is the key mechanism to exchange data in between lower layer (sensors and actuators) and upper layer (user interfaces and control logic). Each daemon and server is a separate process, which can be dynamically started or stopped without affecting the function of other processes. | The software has database centric architecture. Database is the key mechanism to exchange data in between lower layer (sensors and actuators) and upper layer (user interfaces and control logic). Each daemon and server is a separate process, which can be dynamically started or stopped without affecting the function of other processes. | ||
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| === Initialization === | === Initialization === | ||
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| ''RamDB'' is located in RAM file system, thus all date is lost each time system boots. Due to that database needs to be re-generated during each boot. There are bunch of scripts that create the database. | ''RamDB'' is located in RAM file system, thus all date is lost each time system boots. Due to that database needs to be re-generated during each boot. There are bunch of scripts that create the database. | ||