[ http://issues.apache.org/jira/browse/AXISCPP-856?page=all ]
nadir amra reassigned AXISCPP-856:
----------------------------------
Assign To: nadir amra (was: Nadir Amra)
> Add Platform Services Abstraction Layer
> ---------------------------------------
>
> Key: AXISCPP-856
> URL: http://issues.apache.org/jira/browse/AXISCPP-856
> Project: Axis-C++
> Type: Improvement
> Components: Basic Architecture
> Environment: N/A
> Reporter: nadir amra
> Assignee: nadir amra
>
> I am creating this issue relating to something we talked about months ago in
> the mailing list - you can search on "Platform abstraction layer thoughts"
> in the axis-c-dev mailing list. To summarize and refine the discussion, the
> goal is to attempt to concentrate as much as possible any platform
> differences in one area - code will be located in the platforms/ directory.
> There occasionally will be times when this cannot be done, but hopefully
> those occasions will be few and any platform-specific code changes required
> outside of platforms/ directory will be minimal.
> I have initially identified several areas that need to be abstracted: DLL
> loading, mutex, socket, and obtaining OS errors. There may be more (such as
> event log for FFDC kinds of stuff - on Unix maybe syslog() will be used, on
> windows to the event log), but that will be identified and done
> later.
> The idea (still to be hashed out) is to have classes for the various
> platform-specific stuff. The header files and default implementation would
> be in platforms/ directory as follows:
> platforms/AxisPsLibraryLoader.hpp
> platforms/AxisPsLibraryLoader.cpp
> platforms/AxisPsMutex.hpp
> platforms/AxisPsMutex.cpp
> platforms/AxisPsSocket.hpp
> platforms/AxisPsSocket.cpp
> platforms/AxisPsOSError.hpp
> platforms/AxisPsOSError.cpp
> The default implementation of these classes will be patterned after Unix and
> packaged in a DLL/library called, for lack of a better name,
> axis_platformservices. The AXIS engine will need to link to this
> DLL/library and thus it will need to be created first prior to creating any
> other DLLs/libraries.
> The implementation code for other platforms will be in each platform
> directory. For example, OS/400 will need to have its own
> AxisPsLibraryLoader.cpp file so one will be located as follows:
> platforms/os400/AxisPsLibraryLoader.cpp
> When building the axis_platformservices DLL/shared library, which files are
> build is dependent on the platform. For example, OS/400 would build
> everything in platforms/os400/ and would also build
> platforms/AxisPsMutex.cpp, platforms/AxisPsSocket.cpp and
> platforms/AxisPsOSError.cpp.
> The platform abstraction layer a separate library that will be statically
> linked to other service programs.
> The abstraction layer can also be used for to possibly simplify tracing
> support.
> More details later.
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