[zeromq-dev] Problem routing packet back to client

Min miniway at gmail.com
Thu Dec 27 08:42:08 CET 2012


Hi,

Router drops messege silently when a counter part is busy or doesn't exist.

Please try setting ZMQ_ROUTER_MANDATORY in your router sockets.

Thanks
Min

2012년 12월 27일 목요일에 Hsiao Henry님이 작성:

> I am using ZeroMQ 3.2.2 with clrzmq 3.0.0 binding on C#.
>
> Attempting to use ZeroMQ within Microsoft Azure environment with service
> bus queue.
>
> I have 3 pieces, RECEIVER, WORKER, RESPONDER
>
> Below is what is working:
>
> RECEIVER have following threads:
> 1)  ZMQ_PROXY, accept outside connection and route it to INPROC (to thread
> 2 below)
>
> 2)  receive worker
> have a ROUTER socket connect to INPROC address and bind to thread-specific
> INPROC address
> Like following:
> receive_worker.connect("inproc://workers");
> receive_worker.bind("inproc://workers-1");
> Idea is it will put all request from "inproc://workers" into Service Bus
> Queue (WORK_QUEUE), and anything from "inproc://workers-1" is sent back to
> the user.
>
> 3)  response worker
> Retrieve data from Queue (RESPONSE_QUEUE), this thread will forward this
> address to the correct thread via the address contained in the data.
>
> WORKER:
> This part right now just does echo, so it takes everything from WORK_QUEUE
> and shove it directly into RESPONSE_QUEUE
>
> Now what I actually want to accomplish is,
> because there are multiple instance of RECEIVER, I thought I need a
> separate RESPONDER instance.  Modification is that RECEIVER worker will
> also attach its own IP to the message, so responder knows which instance of
> RECEIVER to send the reply to.
>
> Problem I am getting is... well... message just gets lost.
>
> All this probably sounds very confusing, but if anyone could help by
> perhaps asking the question I haven't thought of??  *.*
>
> Problem with the design that does work is, well once I have multiple
> instance of RECEIVER, then message don't always get routed back to the
> instance of receiver the client is connected to.
>
> Thanks in advance,
>
> Henry
>
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