[zeromq-dev] CZMQ and Server and Client Sockets

[Brian Knox]

Doron - as a heads up, being able to poll multiple sockets from zpoller
would be of great interest to me (I use zpoller in goczmq quite a bit).

Cheers,
Brian

On Sat, Aug 15, 2015 at 3:48 AM, Doron Somech <somdoron at gmail.com> wrote:

> Andrew are you using CZMQ? which class do you use for multiple polling,
> zloop or zpoller?
>
> On Fri, Aug 14, 2015 at 10:36 PM, Andrew Simpson <simpsonar77 at yahoo.com>
> wrote:
>
>> this sounds really excellent!  I am building an application that would
>> greatly benefit from this over a standard Router/Dealer setup.  The only
>> thing that will hold me back right now is the lack of polling on multiple
>> client/server sockets.  I definitely need that.
>>
>> Good stuff!
>>
>>
>>
>> On Friday, August 14, 2015 9:09 AM, Doron Somech <somdoron at gmail.com>
>> wrote:
>>
>>
>>
>> Hi All,
>>
>> I added server and client sockets support to CZMQ, you can take a look at
>> the change at the following pull request:
>>
>> https://github.com/zeromq/czmq/pull/1059
>>
>> Server socket is like router socket except you don't have an identity
>> frame, each message also include routing id which is an int (vs byte
>> array). So each message coming from a server socket include a routing id
>> which can be retrieve by calling zframe_routing_id. When sending a message
>> you must set the routing id by calling zframe_set_routing_id. You can use
>> zframe_send_reply with both the destination frame and the source frame
>> (which include the routing id), the method copy the routing id from the
>> source frame to the destination frame and then send the message.
>>
>> Client socket is same as dealer socket. Client and Server can only talk
>> to each other.
>>
>> Following is a small example on how to use the new client and server
>> sockets:
>> https://gist.github.com/somdoron/542b74922f652d229566
>>
>> Client and server socket are thread safe (currently only support single
>> frame messages but that might change, I think) so if your protocol is
>> single frame you can use the server and client sockets from multiple
>> threads.
>>
>> Polling on multiple client or server sockets is not supported yet.
>>
>> In the coming week I plan to also add zproto support and complete the
>> polling on multiple sockets.
>>
>> Doron
>>
>>
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