Joseph Artsimovich d4374cbebe Add message_t::routing_id() and set_routing_id()
Setting a routing id is necessary when sending a message through a
ZMQ_SERVER socket. See [1] for more details.

[1] http://api.zeromq.org/4-2:zmq-socket#toc5
2018-05-19 08:44:41 +03:00
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