Re: [jira] [Created] (HDFS-4353) Encapsulate connections to peers in Peer and PeerServer classes

[gschen.fudan]

hi,

how could I unsubscribe from this mailing list?


thank you very much.

justin

于 2013/1/3 19:16, Colin Patrick McCabe (JIRA) 写道:

Colin Patrick McCabe created HDFS-4353:
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              Summary: Encapsulate connections to peers in Peer and PeerServer 
classes
                  Key: HDFS-4353
                  URL: https://issues.apache.org/jira/browse/HDFS-4353
              Project: Hadoop HDFS
           Issue Type: Sub-task
           Components: datanode, hdfs-client
     Affects Versions: 2.0.3-alpha
             Reporter: Colin Patrick McCabe
             Assignee: Colin Patrick McCabe
          Attachments: 02-cumulative.patch

Encapsulate connections to peers into the {{Peer}} and {{PeerServer}} classes.  
Since many Java classes may be involved with these connections, it makes sense 
to create a container for them.  For example, a connection to a peer may have 
an input stream, output stream, readablebytechannel, encrypted output stream, 
and encrypted input stream associated with it.

This makes us less dependent on the {{NetUtils}} methods which use 
{{instanceof}} to manipulate socket and stream states based on the runtime 
type.  it also paves the way to introduce UNIX domain sockets which don't 
inherit from {{java.net.Socket}}.

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