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Implement flow control

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This commit introduces the necessary changes necessary
for implementing flow control. None of the socket types
implements the flow control yet. The code will crash when
the flow control is enabled and the thw lwm is reached.

The following commits will add flow-control support for
individual socket types.
This commit is contained in:
Martin Hurton
2010-03-01 10:13:26 +01:00
parent 31d36104aa
commit 61ee6fae53
40 changed files with 243 additions and 78 deletions
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11
src/req.cpp
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@@ -108,6 +108,11 @@ void zmq::req_t::xrevive (class reader_t *pipe_)
reply_pipe_active = true;
}
void zmq::req_t::xrevive (class writer_t *pipe_)
{
zmq_not_implemented ();
}
int zmq::req_t::xsetsockopt (int option_, const void *optval_,
size_t optvallen_)
{
@@ -142,11 +147,9 @@ int zmq::req_t::xsend (zmq_msg_t *msg_, int flags_)
current = 0;
}
// TODO: Implement this once queue limits are in-place.
zmq_assert (out_pipes [current]->check_write (zmq_msg_size (msg_)));
// Push message to the selected pipe.
out_pipes [current]->write (msg_);
bool written = out_pipes [current]->write (msg_);
zmq_assert (written);
out_pipes [current]->flush ();
waiting_for_reply = true;