Structured message reading problem in Netty.

[manishr22]

Hi,

I am new to netty and tried writing netty-server as per my requirement
seeing various examples. But i am not getting the result correctly.


I am trying to write a netty server that can read the that will read the
message-structre from normal synchronous multi-threaded client ( say 10
client is sending 1000 messages each ) to the server.


By message structure i mean my client is sending the message in the format :


[MESSAGE 1-CLIENT 1]    message-length(first 4 byte) header length(next 4
byte) data (including

header and body as specified bytes of message length and header length)


[MESSAGE 2-CLIENT 1]    message-length(first 4 byte) header length(next 4
byte) data (including

header and body as specified bytes of message length and header length)


........

........

[MESSAGE 1-CLIENT 2]    message-length(first 4 byte) header length(next 4
byte) data (including

header and body as specified bytes of message length and header length)


[MESSAGE 2-CLIENT 2]    message-length(first 4 byte) header length(next 4
byte) data (including

header and body as specified bytes of message length and header length)

....
.....

[For N number of client and N http://n2.nabble.com/file/n2682454/netty.zip
netty.zip  number of messages]

and now my netty server should read all the different messages from client/s
and do the proper message parsing and do some business operation.


How i can implement the reading of message-structure using netty.


I saw several example and implemented something in it. but its not giving
the appropriate result rather i am getting exception all the time.

The basic source code which i tried for this is also attached for reference.

Any suggestion and help with some sample code will be really appreciated.


Regards

Manish



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