Jlo fixes/rldataacquisitionprovider improved initialization #25
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To avoid time calculation errors by mixing absolute time values with relative time value in the same class, the interface was changed for the application of relative amounts of time against absolute points in time. Added interface for simple formatting options of time differences.
Intermediate commit for transfer to another workstation.
Meanwhile added a proxy interface, so the traditional interface of operating with two operands of rlTimeEx is available. One small exception is there of returning double for the difference of two rlTimeEx object by default and returning rlTimeEx objects only on request by casting the second operand to RelativeTime(rltime_object).
By inspecting the logging files on logger start the data loss from deleted ring buffer files is reduced. This is achieved by avoiding the deletion of the oldest of the ring buffer files in case the youngest file is still in time window for further logging events. This way occurred a problem in Windows, where read and write pointer are not independent. So the inspection of the files and writing to the files is done from different file descriptors, opend for the special purpose. By the way reduced this problems with data logging, reopening the log files etc. after a server crash and restart.
For easier memory load the maximum reader line length can be set during construction of the reader object.
Checking the result of shared memory allocation, completed initialization of data members. Checking for initalized SHM on reading the itemlist from file. Closing formerly lost file pointer in readItemList(). Returns number of read items.
Assertions and type conversion rules ensure to combine only valid types of time (only one absolute time in addition or subtraction, all others need to be relative time values)
jlo-fixes/rltime-relative-time-adjustments Conflicts: .gitignore - resolved by mix-in rllib/lib/lib.pro - resolved by mix-in rllib/lib/rltime_v2.cpp - resolved by using my version rllib/lib/rltime_v2.h - resolved by using my version
'origin/jlo-fixes/rltime-relative-time-adjustments' into jlo-enhancements/rlhistoryreader-configure-read-line-length Conflicts: .gitignore - resolved by merging language_bindings/language_binding_rllib_wrap_lua.cxx - resolved regenerating language_bindings/lua/pvapplua/pvapplua - resolved by using incoming language_bindings/lua/pvslua/pvslua - resolved by using incoming
'origin/jlo-enhancements/rlhistoryreader-configure-read-line-length' into jlo-fixes/rldataacquisitionprovider-improved-initialization
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Improve intialization of the object and make the class derivable.