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ZMQ_IDENTITY option re-introduced

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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Martin Sustrik
2011-11-02 14:33:58 +01:00
parent 8e21d64c97
commit d20ea25b8c
7 changed files with 100 additions and 0 deletions
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25
src/options.cpp
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@@ -1,6 +1,7 @@
/*
Copyright (c) 2009-2011 250bpm s.r.o.
Copyright (c) 2007-2009 iMatix Corporation
Copyright (c) 2011 VMware, Inc.
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of 0MQ.
@@ -28,6 +29,7 @@ zmq::options_t::options_t () :
sndhwm (1000),
rcvhwm (1000),
affinity (0),
identity_size (0),
rate (100),
recovery_ivl (10000),
multicast_hops (1),
@@ -77,6 +79,20 @@ int zmq::options_t::setsockopt (int option_, const void *optval_,
affinity = *((uint64_t*) optval_);
return 0;
case ZMQ_IDENTITY:
// Empty identity is invalid as well as identity longer than
// 255 bytes. Identity starting with binary zero is invalid
// as these are used for auto-generated identities.
if (optvallen_ < 1 || optvallen_ > 255 ||
*((const unsigned char*) optval_) == 0) {
errno = EINVAL;
return -1;
}
identity_size = optvallen_;
memcpy (identity, optval_, identity_size);
return 0;
case ZMQ_RATE:
if (optvallen_ != sizeof (int) || *((int*) optval_) <= 0) {
errno = EINVAL;
@@ -233,6 +249,15 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
*optvallen_ = sizeof (uint64_t);
return 0;
case ZMQ_IDENTITY:
if (*optvallen_ < identity_size) {
errno = EINVAL;
return -1;
}
memcpy (optval_, identity, identity_size);
*optvallen_ = identity_size;
return 0;
case ZMQ_RATE:
if (*optvallen_ < sizeof (int)) {
errno = EINVAL;