[jira] Resolved: (DIRMINA-263) Partially read messages

["Trustin Lee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DIRMINA-263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Trustin Lee resolved DIRMINA-263.
---------------------------------

    Resolution: Invalid
      Assignee: Trustin Lee

Marking this issue as 'invalid' because it's not an issue but a question.
I am sorry for the unanswered questions.  Please let us know if you still have the same question.

> Partially read messages
> -----------------------
>
>                 Key: DIRMINA-263
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-263
>             Project: MINA
>          Issue Type: Wish
>    Affects Versions: 0.9.5
>         Environment: win xp
>            Reporter: Hooman Valibeigi
>         Assigned To: Trustin Lee
>
> assume we have a client that sends its requests consecutively ()
> I tested it using MINA and I found that MINA only notifies the server side IoHandler one time for a sequence of requests
> I mean when the client sends 3 consecutive requests the server's messageReceived method will be invoked only once
> (a Request in my opinion is a package containing a request ID and data related to the request)
> so my question is how should we handle the ByteBuffer that contains more than one requests ?
> the other IoSessions should not wait while the server is processing the interminable requests of a client
> in other word the server becomes busy while processing all sent and incoming requests of one client and may never finish
> even If it responds to the first buffered request in ByteBuffer and leave the remaining requests in hope that they will remain intact for the next messageReceived invocation from the same IoSession, it is wrong, since any remaining byte in ByteBuffer will be released after the messageReceived method is finished, whether we read them or not
> so we should read all the incoming bytes or we will lose them
> I ask you what is the correct solution to handle these kind of requests ?
> in short, I want to process one request per messageReceived invocation and I expect that IoHandler will notify me again if I have unread data from previous messageReceived calls
> this question may be translated in other way as below
> when is messageReceived invoked ?
> - when the selecetor selects a socket which is readable ?
> - so what happens if I dont process all the available data (all requests) within the ByteBuffer in one shot ?
> - also another question arise. is there any chance that the ByteBuffer parameter from messageReceived, does not have the full request data ? I mean is it possible that a request arives in several messageReceived calls ? I ask this because a ByteBuffer has a limit so It brings in mind that we may encounter several problems
> such that
> - a ByteBuffer containing one partial request
> - a ByteBuffer containing more than one request (all complete)
> - a ByteBuffer containing more than one request (but the last one is partial)

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