[zeromq-dev] Binding to TCP port 0

[Martin Sustrik]

On 26/01/12 15:57, Martin Lucina wrote:

> zmq_bind(foo, "tcp://XXXX:*");    // "tcp://*:*" if you want INADDR_ANY
> char endpoint [ZMQ_ENDPOINT_MAX];
> zmq_getsockopt(foo, ZMQ_GET_ENDPOINT, endpoint, sizeof endpoint);
>
> =>  endpoint is filled as "tcp://XXXX:12345".

Note that out of the two wildcards, only one is resolved in synchronous 
way -- the port. The interface is resolved asynchronously when actual 
connection is made from the peer.

Martin