hc-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Supun Kamburugamuva <supu...@gmail.com>
Subject Re: Streaming from a client to a server
Date Mon, 21 Jun 2010 22:57:34 GMT
Thanks Oleg, this helps a lot.
Supun..

On Mon, Jun 21, 2010 at 4:03 AM, Oleg Kalnichevski <olegk@apache.org> wrote:

> On Sun, 2010-06-20 at 23:44 -0700, Supun Kamburugamuva wrote:
> > We have a requirement for streaming contents from client to a server.
> >
> > We have two I/O reactors in client side and server side.
> >
> > We are going to use a constant shared buffer between client side I/O
> reactor
> > and server side I/O reactor.
> >
> > Now lets say we have a fast client and a slow server. In the shared
> buffer
> > we disable the I/O operations of the reactors as appropriate.
> >
> > For example if the client has data we enable output of the server I/O
> > reactor using IOControl. IOControl.requestOutput etc. When server writes
> > data and buffer is free we again enable input of the clinet I/O reactoro
> > IOControl.
> >
> > If the client is fast we will disable its input most of the time so that
> we
> > don't read anything until server is ready.
> >
> > We are wondering weather this is a correct approach for implementing
> > streaming. It will be great to have your ideas.
> >
>
> Yes, this sounds reasonable. Conceptually the pattern is fairly
> straightforward. If incoming data cannot be processed one should disable
> input events until resources free up. If outgoing data is not available
> or ready one should disable output events until output is ready.
>
> There is an example of an ultra-simple HTTP reverse proxy that
> demonstrates basic I/O throttling technique for asynchronous HTTP
> connections:
>
>
> http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/httpcore-nio/src/examples/org/apache/http/examples/nio/NHttpReverseProxy.java
>
> Hope this helps
>
> Cheers
>
> Oleg
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@hc.apache.org
> For additional commands, e-mail: dev-help@hc.apache.org
>
>


-- 
Tech Lead, WSO2 Inc
http://wso2.org
supunk.blogspot.com

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message