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Added Recovery Interval in Milliseconds

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For very high-speed message systems, the memory used for recovery can get to
be very large. The corrent limitation on that reduction is the ZMQ_RECOVERY_IVL
of 1 sec. I added in an additional option ZMQ_RECOVERY_IVL_MSEC, which is the
Recovery Interval in milliseconds. If used, this will override the previous
one, and allow you to set a sub-second recovery interval. If not set, the
default behavior is to use ZMQ_RECOVERY_IVL.

Signed-off-by: Bob Beaty <rbeaty@peak6.com>
This commit is contained in:
Bob Beaty
2010-12-09 21:42:58 +01:00
committed by Martin Sustrik
parent 1d81d2f1d4
commit fcfad5682e
6 changed files with 83 additions and 14 deletions
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18
src/options.cpp
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@@ -30,6 +30,7 @@ zmq::options_t::options_t () :
affinity (0),
rate (100),
recovery_ivl (10),
recovery_ivl_msec (-1),
use_multicast_loop (true),
sndbuf (0),
rcvbuf (0),
@@ -101,6 +102,14 @@ int zmq::options_t::setsockopt (int option_, const void *optval_,
recovery_ivl = (uint32_t) *((int64_t*) optval_);
return 0;
case ZMQ_RECOVERY_IVL_MSEC:
if (optvallen_ != sizeof (int64_t) || *((int64_t*) optval_) < 0) {
errno = EINVAL;
return -1;
}
recovery_ivl_msec = (int32_t) *((int64_t*) optval_);
return 0;
case ZMQ_MCAST_LOOP:
if (optvallen_ != sizeof (int64_t)) {
errno = EINVAL;
@@ -225,6 +234,15 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
*optvallen_ = sizeof (int64_t);
return 0;
case ZMQ_RECOVERY_IVL_MSEC:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;
return -1;
}
*((int64_t*) optval_) = recovery_ivl_msec;
*optvallen_ = sizeof (int64_t);
return 0;
case ZMQ_MCAST_LOOP:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;