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Do not crash when multiple peers connect to PAIR socket

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When more then one peer connected to a ZMQ_PAIR socket,
an application aborted due to assertion failure.
This patch changes the ZMQ_PAIR socket behaviour so that
it rejects any further connection requests.
This commit is contained in:
Martin Hurton 2012-04-30 00:48:07 +02:00
parent 16ec2868c5
commit d84709497e
1 changed files with 10 additions and 4 deletions
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14
src/pair.cpp
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@ -38,14 +38,20 @@ zmq::pair_t::~pair_t ()
void zmq::pair_t::xattach_pipe (pipe_t *pipe_, bool icanhasall_)
{
zmq_assert (!pipe);
pipe = pipe_;
zmq_assert (pipe_ != NULL);
// ZMQ_PAIR socket can only be connected to a single peer.
// The socket rejects any further connection requests.
if (pipe == NULL)
pipe = pipe_;
else
pipe_->terminate (false);
}
void zmq::pair_t::xterminated (pipe_t *pipe_)
{
zmq_assert (pipe_ == pipe);
pipe = NULL;
if (pipe_ == pipe)
pipe = NULL;
}
void zmq::pair_t::xread_activated (pipe_t *pipe_)