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| 2 | This directory contains the backbone of the control system. See directory Doc for documentation.
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| 3 |
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| 4 |
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| 5 | Version history
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| 6 | ---------------
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| 7 |
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| 8 | 19/5/2010 Service histories now available via DimRpc from DColl, not via .hist service
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| 9 | When regular expression compiling results in error, State is set to ERROR, not
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| 10 | FATAL. The erroneous expression is ignored in the following.
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| 11 | 25/5/2010 Service history remains available if service itself become unavailable. If not
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| 12 | yet in memory, reading from file is tried. Improved error handling of
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| 13 | history files.
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| 14 | 28/5/2010 Changed name of 'State' service to 'Message' to better reflect its functionality.
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| 15 | Added client information to log file entries.
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| 16 | 30/5/2010 Created Bridge server that repeats services from one DNS to another.
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| 17 | Service quality now also written to slow data file.
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| 18 | 31/5/2010 Configuration file format follows semi-standard INI format.
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| 19 | 7/6/2010 Separated History service from DColl. History format changed, now includes
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| 20 | service format (allows history access also when service is unavailable).
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| 21 | 11/6/2010 Bridge does not forward history service
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| 22 | 17/6/2010 Added SendToLog() method. Changed severity encoding of Message service to
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| 23 | use standard DIM structure of format "I:1;C"
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| 24 | 18/6/2010 Alarm server configuration accepts now one email address per server. A new
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| 25 | service for each observed server SERVERNAME/AlarmLevel contains the highest
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| 26 | level that occurred in the past. Reset of alarm level only via a DIM command.
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| 27 | 19/6/2010 ToString() now returns std::string
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| 28 | 23/6/2010 GetConfig() returns std::string. Non-blocking configuration request in case
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| 29 | GetConfig() not called from main thread. Access to configuration information
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| 30 | internally mutex protected. With ActivateSignal() a signal can be set that is send
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| 31 | to main thread upon configuration file change, the build-in signal handler then
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| 32 | invokes the (virtual) method ConfigChanged().
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| 33 | 24/6/2010 Workaround for erroneous /SERVICE_LIST updates. Added static tokenize method to
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| 34 | Evidence class.
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| 35 | 30/6/2010 Made Lock()/Unlock() publicly available (mutex of type PTHREAD_MUTEX_ERRORCHECK),
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| 36 | in case signal is set with ActivateSignal() this signal will be blocked while locked.
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| 37 | Implemented experimental automatic full configuration tracking for Bridge.
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| 38 | 7/7/2010 All commandHandler() and rpcHandler() safely translates data into string
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| 39 | using ToString(). EvidenceServer class constructor now takes std::string as argument.
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| 40 | Removed default configuration file from Config.
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| 41 | 19/7/2010 Added documentation. Replaced std::vector by std::map at several locations. Access to
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| 42 | class-wide pointer in Message() protected by mutex (currently the memory of the
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| 43 | second-last message will not be freed correctly if severity is FATAL). Added
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| 44 | History server configuration parameters to adjust buffer size.
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| 45 | 20/7/2010 SendToLog() does not call Message() in case of error, but writes error message to log.
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| 46 | 21/7/2010 Lock()/Unlock() do not report errors via Message(), but print to console and use
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| 47 | SendToLog(). That avoids a recursion problem since Message() also uses locking.
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| 48 | The general exitHandler() will react in a special way to code 0: it will reset
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| 49 | the message severity. This feature is used by Alarm if it receives a command to
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| 50 | reset an alarm level.
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