Http server Session/Context management when server has Netty NIO backend

[rajks]

Hi,

Appreciate if anybody can guide me in what I what to achieve with Netty Http
server.

The http server is more like a proxy but not a real proxy. When a request
comes in I need to talk to at least two backend servers and I was planning
to use Netty NIO client.

1. My question is how do I maintain session/context management in such a
scenario and handle events correctly.  The stack with the server pipeline
and 2 backend client pipelines end handlers

                           NIO Server
                  Server-RequstHandler

                        (context object)

           NIO client                      NIO Client
        Backend1-Handler           Backend2-handler

As I need to maintain states/context when doing the backend I was thinking
of a single context object per request with various methods like
onServerMessage recd, onBackend1MessageRecd and more like this to keep
states/contexts to handle. I am also planning to use OMAthreads also in all
3 pipelines.

2. I would need to send response back to client in a async way by using the
writeComplete event in the Server-RequestHandler.

How can I achieve this using the various handler models. I saw the proxy
example but could not find a session/context management example.

Any help appreciated.

Thanks
Raj
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