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Add ROUTER socket option to introduce self(send an empty message) to new peers, to allow ROUTER<->ROUTER auto-discovery problem.

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shripchenko
2013-05-21 10:20:24 -07:00
parent d113495500
commit ed3a115da9
3 changed files with 22 additions and 1 deletions
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19
src/router.cpp
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@@ -33,7 +33,8 @@ zmq::router_t::router_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
more_out (false),
next_peer_id (generate_random ()),
mandatory(false),
raw_sock(false)
raw_sock(false),
announce_self(false)
{
options.type = ZMQ_ROUTER;
options.recv_identity = true;
@@ -94,6 +95,13 @@ int zmq::router_t::xsetsockopt (int option_, const void *optval_,
printf ("E: invalid option value (int=%d value=%d)\n", is_int, value);
break;
case ZMQ_ROUTER_ANNOUNCE_SELF:
if (is_int && value >= 0) {
announce_self = value;
return 0;
}
break;
default:
break;
}
@@ -389,6 +397,15 @@ bool zmq::router_t::identify_peer (pipe_t *pipe_)
ok = outpipes.insert (outpipes_t::value_type (identity, outpipe)).second;
zmq_assert (ok);
if (announce_self) {
msg_t tmp_;
tmp_.init ();
ok = pipe_->write (&tmp_);
zmq_assert (ok);
pipe_->flush ();
tmp_.close ();
};
return true;
}