Can a server written using Netty handle requests from non-netty based clients

[Noopur Tiwari]

Thanks a lot. I will try implementing it and get back to you guys.

-----Original Message-----
From: netty-users-bounces at lists.jboss.org [mailto:netty-users-bounces at lists.jboss.org] On Behalf Of ovokinder
Sent: Tuesday, July 20, 2010 9:56 PM
To: netty-users at lists.jboss.org
Subject: RE: Can a server written using Netty handle requests from non-netty based clients


Looking at Marc's reply now I noticed my previous email didn't hit the list,
so I'm posting this from nabble.
Won't add much now, but still... :)

---------------------------------------

Noopur,


It means that the same communication protocol must be used by both. When a
client sends a message, the server needs to know how to decode it and
vice-versa

Simple example: a custom TLV protocol, Type-Length-Value, 1 byte for type, 4
bytes for length and variable length for value.
When the client sends a message of type 1, with length 6 and value "oh hi!",
it encodes this message as binary (1 + 4 + 6 bytes, total of 11 bytes) and
writes it on the socket; the server, which is expecting to read TLV, knows
it must read a byte to determine message type, another four bytes to
determine the size and then 6 more bytes to complete the message.

In other words, the server and client need to know how to read each other's
messages, as well as write.


Cheers,
  Bruno

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