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patch for issue 456

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Do not filter out duplicate subscriptions on the XSUB side of
XSUB/XPUB, so that ZMQ_XPUB_VERBOSE doesn't get blocked by forwarding
devices (as long as the devices all use ZMQ_XPUB_VERBOSE)
This commit is contained in:
John Muehlhausen 2012-10-27 15:51:03 -05:00 committed by Pieter Hintjens
parent c710a39b9e
commit 58c1ba8994
1 changed files with 7 additions and 1 deletions
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8
src/xsub.cpp
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@ -95,7 +95,13 @@ int zmq::xsub_t::xsend (msg_t *msg_, int flags_)
// Process the subscription.
if (*data == 1) {
if (subscriptions.add (data + 1, size - 1))
// this used to filter out duplicate subscriptions,
// however this is alread done on the XPUB side and
// doing it here as well breaks ZMQ_XPUB_VERBOSE
// when there are forwarding devices involved
//
//if (subscriptions.add (data + 1, size - 1))
subscriptions.add (data + 1, size - 1);
return dist.send_to_all (msg_, flags_);
}
else {