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From "Paulex Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-27) The network related channels in java.nio.channels are not implemented
Date Mon, 23 Jan 2006 12:19:11 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-27?page=all ]

Paulex Yang updated HARMONY-27:
-------------------------------

    Attachment: OSNetworkSystem.h
                OSNetworkSystem.c
                OSNetworkSystemWin32.c

Following the JNI interfaces I attached before, here goes the native implementations. The
OSNetworkSystem.h is the JNI header file generated by javah, and OSNetworkSystem.c is portable
implementation, OSNetworkSystemWin32.c is the complement of OSNetworkSystem.c, which are win32
platform dependent.

Most (I guess 90%) of these methods are refactored from the original socket native codes located
in luni component,  including simpl.c, psimpl2.c, pssimpl.c, pmsimpl.c and pdsimpl.c (and
for sure, these files can be replaced if relevant Java files are done), the modification to
these methods only limited to change name to Java_java_net_***Socket_*** to Java_com_ibm_platform_OSNetworkSytem_***,
etc. Others are added to meet channels' needs. 

Those methods in OSNetworkSystem.c depend heavily on the port library, so that they should
be compiled on different platform easiy without change, I've tested on RedHat 9 and Win32.
Further more, the two methods in OSNetworkSystemWin32.c are platform specific just because
there are some pitfalls in port library:), hope we can get around it later.  

There are still some TODOs left to use these files
1. Java codes 
2. Some minor changes to other native files, i.e., the method declarations within original
sockect.c  should be moved to socket.h
3. The JCL_CACHE_GET/SET macros using is not refactor yet, and temporarily I work around it
by using reflection directly, and the nethelp.c needs some straightforward modification to
add these reflection helper methods. I will attach a patch later to refactor the caching mechanism
and avoid performance regression. 


> The network related channels in java.nio.channels are not implemented
> ---------------------------------------------------------------------
>
>          Key: HARMONY-27
>          URL: http://issues.apache.org/jira/browse/HARMONY-27
>      Project: Harmony
>         Type: Bug
>   Components: Classlib
>     Reporter: Paulex Yang
>     Assignee: Tim Ellison
>  Attachments: FileDescriptorHandler.java, INetworkSystem.java, Nio-net Refactoring.jpg,
OSNetworkSystem.c, OSNetworkSystem.h, OSNetworkSystem.java, OSNetworkSystemWin32.c, java.net.JPG
>
> The following classes defined by Java Spec 5.0 in java.nio.channels are not included
in the class library code
> 	public abstarct class java.nio.channels.DatagramChannel
> 	public abstract class java.nio.channels.ServerSocketChannel
> 	public abstract class java.nio.channels.SocketChannel

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