[jboss-jira] [JBoss JIRA] (JGRP-1736) UDP: Android does not reset buffer length

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1736.
----------------------------

    Resolution: Done

    
> UDP: Android does not reset buffer length
> -----------------------------------------
>
>                 Key: JGRP-1736
>                 URL: https://issues.jboss.org/browse/JGRP-1736
>             Project: JGroups
>          Issue Type: Bug
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 3.4.1, 3.5
>
>
> Discussion at http://jgroups.1086181.n5.nabble.com/jgroups-users-PLEASE-HELP-ME-OUT-FOR-quot-JGroup-with-Android-quot-problem-td9537i20.html:
> Hi, Belaban..I think I have found the problem...after discovering this issue occurs only on all ICS devices I have and after reading through the "Android issue #24748 DatagramPacket truncated UDP" at http://code.google.com/p/android/issues/detail?id=24748, I have introduced the following modification at org.jgroups.protocols.UDP.java:
>       public void run() {
>             final byte           receive_buf[]=new byte[66000]; // to be on the safe side (IPv6 == 65575 bytes, IPv4 = 65535)
>             final DatagramPacket packet=new DatagramPacket(receive_buf, receive_buf.length);
>             while(thread != null && Thread.currentThread().equals(thread)) {
>                 try {
>                
>                     //Solved Android ISSUE #24748 - DatagramPacket truncated UDP in ICS
>                     if (Util.checkForAndroid())
>                         packet.setLength(receive_buf.length);
>                        
>                     receiver_socket.receive(packet);
>                     int len=packet.getLength();
>                    
>                     ...
>                 }
>                 catch(SocketException sock_ex) {
>                     ...
>                 }
>                 catch(Throwable ex) {
>                     ...
>                 }
>             }
>             ...
>         }
> It seems to solve the EOFException but I am not sure the real impact on Jgroups library as a whole. 

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