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Drop subscription messages when reaching the SNDHWM rather than asserting.

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This matches the behaviour of zmq_setsockopt(ZMQ_SUBSCRIBE, ...), which also
silently drops subscription messages if the SNDHWM is reached.

Signed-off-by: Staffan Gimåker <staffan@spotify.com>
This commit is contained in:
Staffan Gimåker 2012-02-16 14:49:47 +01:00
parent b2e2fa622d
commit e18f9da012
1 changed files with 6 additions and 1 deletions
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7
src/xsub.cpp
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@ -215,7 +215,12 @@ void zmq::xsub_t::send_subscription (unsigned char *data_, size_t size_,
// Send it to the pipe.
bool sent = pipe->write (&msg);
zmq_assert (sent);
// If we reached the SNDHWM, and thus cannot send the subscription, drop
// the subscription message instead. This matches the behaviour of
// zmq_setsockopt(ZMQ_SUBSCRIBE, ...), which also drops subscriptions
// when the SNDHWM is reached.
if (!sent)
msg.close ();
}
zmq::xsub_session_t::xsub_session_t (io_thread_t *io_thread_, bool connect_,