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Proxy performance fix, ticket #3439

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Improve performance of the proxy forwarding batch of message.
Add throughput benchmark for proxy.
Fix valgrind error reported on unitialized vars
RELICENSE: Add emtr grant
This commit is contained in:
Claudio Biagi
2019-03-07 14:49:25 +01:00
parent 2e6464864e
commit d41ed6180b
8 changed files with 471 additions and 33 deletions
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63
src/proxy.cpp
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@@ -116,40 +116,49 @@ int forward (class zmq::socket_base_t *from_,
class zmq::socket_base_t *capture_,
zmq::msg_t *msg_)
{
int more;
size_t moresz;
size_t complete_msg_size = 0;
while (true) {
int rc = from_->recv (msg_, 0);
if (unlikely (rc < 0))
return -1;
// Forward a burst of messages
for (unsigned int i = 0; i < zmq::proxy_burst_size; i++) {
int more;
size_t moresz;
size_t complete_msg_size = 0;
complete_msg_size += msg_->size ();
// Forward all the parts of one message
while (true) {
int rc = from_->recv (msg_, ZMQ_DONTWAIT);
if (rc < 0) {
if (likely (errno == EAGAIN && i > 0))
return 0; // End of burst
else
return -1;
}
moresz = sizeof more;
rc = from_->getsockopt (ZMQ_RCVMORE, &more, &moresz);
if (unlikely (rc < 0))
return -1;
complete_msg_size += msg_->size ();
// Copy message to capture socket if any
rc = capture (capture_, msg_, more);
if (unlikely (rc < 0))
return -1;
moresz = sizeof more;
rc = from_->getsockopt (ZMQ_RCVMORE, &more, &moresz);
if (unlikely (rc < 0))
return -1;
rc = to_->send (msg_, more ? ZMQ_SNDMORE : 0);
if (unlikely (rc < 0))
return -1;
// Copy message to capture socket if any
rc = capture (capture_, msg_, more);
if (unlikely (rc < 0))
return -1;
if (more == 0)
break;
rc = to_->send (msg_, more ? ZMQ_SNDMORE : 0);
if (unlikely (rc < 0))
return -1;
if (more == 0)
break;
}
// A multipart message counts as 1 packet:
from_stats_->msg_in++;
from_stats_->bytes_in += complete_msg_size;
to_stats_->msg_out++;
to_stats_->bytes_out += complete_msg_size;
}
// A multipart message counts as 1 packet:
from_stats_->msg_in++;
from_stats_->bytes_in += complete_msg_size;
to_stats_->msg_out++;
to_stats_->bytes_out += complete_msg_size;
return 0;
}