Hi Peter,

In the Akka streams cookbook, 
http://doc.akka.io/docs/akka-stream-and-http-experimental/1.0-M2/scala/stream-cookbook.html
 , there are examples for both chunking up ByteStrings based on size, and 
parsing lines (separator based frame decoding). It also have samples for job 
pooling and global rate limiting of a set of streams.

B/

On 27 January 2015 at 06:35:56, Peter Swift ([email protected]) wrote:

Hi All,

I'm having good fun with akka streams, and I while tinkering with them a few 
questions have come up.

How best to implement length-based tcp framing? With a StatefulStage that 
defragments the incoming byte strings?

How can I just send data from the client to the server without returning a 
response? The client's connection flow can run with an OnCompleteSink to learn 
when the connection is closed, but what should the server's connection flow do? 
I'm not sure how to express that there is no response (i.e. that I'm not 
writing anything to the 'output stream').

What's the 'typical' stream client/server setup for request/response style 
interactions? Without streams I'd pool connections on the client side, and use 
one per request/response cycle. But I'm not sure that will give me proper 
backpressure, unless I somehow merge the connections' flows on the server side. 
 Should I multiplex all requests and responses over a single tcp connection?

Cheers,
Peter
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