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/*
Copyright (c) 2007-2010 iMatix Corporation
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "../include/zmq.h"
#include "options.hpp"
#include "err.hpp"
zmq::options_t::options_t () :
hwm (0),
swap (0),
affinity (0),
rate (100),
recovery_ivl (10),
use_multicast_loop (true),
sndbuf (0),
rcvbuf (0),
requires_in (false),
requires_out (false),
immediate_connect (true)
{
}
int zmq::options_t::setsockopt (int option_, const void *optval_,
size_t optvallen_)
{
switch (option_) {
case ZMQ_HWM:
if (optvallen_ != sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
hwm = *((uint64_t*) optval_);
return 0;
case ZMQ_SWAP:
if (optvallen_ != sizeof (int64_t) || *((int64_t*) optval_) < 0) {
errno = EINVAL;
return -1;
}
swap = *((int64_t*) optval_);
return 0;
case ZMQ_AFFINITY:
if (optvallen_ != sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
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.assign ((const unsigned char*) optval_, optvallen_);
return 0;
case ZMQ_RATE:
if (optvallen_ != sizeof (int64_t) || *((int64_t*) optval_) < 0) {
errno = EINVAL;
return -1;
}
rate = (uint32_t) *((int64_t*) optval_);
return 0;
case ZMQ_RECOVERY_IVL:
if (optvallen_ != sizeof (int64_t) || *((int64_t*) optval_) < 0) {
errno = EINVAL;
return -1;
}
recovery_ivl = (uint32_t) *((int64_t*) optval_);
return 0;
case ZMQ_MCAST_LOOP:
if (optvallen_ != sizeof (int64_t)) {
errno = EINVAL;
return -1;
}
if ((int64_t) *((int64_t*) optval_) == 0)
use_multicast_loop = false;
else if ((int64_t) *((int64_t*) optval_) == 1)
use_multicast_loop = true;
else {
errno = EINVAL;
return -1;
}
return 0;
case ZMQ_SNDBUF:
if (optvallen_ != sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
sndbuf = *((uint64_t*) optval_);
return 0;
case ZMQ_RCVBUF:
if (optvallen_ != sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
rcvbuf = *((uint64_t*) optval_);
return 0;
}
errno = EINVAL;
return -1;
}
int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
{
switch (option_) {
case ZMQ_HWM:
if (*optvallen_ < sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
*((uint64_t*) optval_) = hwm;
*optvallen_ = sizeof (uint64_t);
return 0;
case ZMQ_SWAP:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;
return -1;
}
*((int64_t*) optval_) = swap;
*optvallen_ = sizeof (int64_t);
return 0;
case ZMQ_AFFINITY:
if (*optvallen_ < sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
*((uint64_t*) optval_) = affinity;
*optvallen_ = sizeof (uint64_t);
return 0;
case ZMQ_IDENTITY:
if (*optvallen_ < identity.size ()) {
errno = EINVAL;
return -1;
}
memcpy (optval_, identity.data (), identity.size ());
*optvallen_ = identity.size ();
return 0;
case ZMQ_RATE:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;
return -1;
}
*((int64_t*) optval_) = rate;
*optvallen_ = sizeof (int64_t);
return 0;
case ZMQ_RECOVERY_IVL:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;
return -1;
}
*((int64_t*) optval_) = recovery_ivl;
*optvallen_ = sizeof (int64_t);
return 0;
case ZMQ_MCAST_LOOP:
if (*optvallen_ < sizeof (int64_t)) {
errno = EINVAL;
return -1;
}
*((int64_t*) optval_) = use_multicast_loop ? 1 : 0;
*optvallen_ = sizeof (int64_t);
return 0;
case ZMQ_SNDBUF:
if (*optvallen_ < sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
*((uint64_t*) optval_) = sndbuf;
*optvallen_ = sizeof (uint64_t);
return 0;
case ZMQ_RCVBUF:
if (*optvallen_ < sizeof (uint64_t)) {
errno = EINVAL;
return -1;
}
*((uint64_t*) optval_) = rcvbuf;
*optvallen_ = sizeof (uint64_t);
return 0;
}
errno = EINVAL;
return -1;
}
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