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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "options.hpp"
#include "err.hpp"
#include "../include/zmq_utils.h"
zmq::options_t::options_t () :
sndhwm (1000),
rcvhwm (1000),
affinity (0),
identity_size (0),
rate (100),
recovery_ivl (10000),
multicast_hops (1),
sndbuf (0),
rcvbuf (0),
type (-1),
linger (-1),
reconnect_ivl (100),
reconnect_ivl_max (0),
backlog (100),
maxmsgsize (-1),
rcvtimeo (-1),
sndtimeo (-1),
ipv6 (0),
immediate (0),
filter (false),
recv_identity (false),
raw_sock (false),
tcp_keepalive (-1),
tcp_keepalive_cnt (-1),
tcp_keepalive_idle (-1),
tcp_keepalive_intvl (-1),
mechanism (ZMQ_NULL),
as_server (0),
socket_id (0),
conflate (false)
{
}
int zmq::options_t::setsockopt (int option_, const void *optval_,
size_t optvallen_)
{
bool is_int = (optvallen_ == sizeof (int));
int value = is_int? *((int *) optval_): 0;
switch (option_) {
case ZMQ_SNDHWM:
if (is_int && value >= 0) {
sndhwm = value;
return 0;
}
break;
case ZMQ_RCVHWM:
if (is_int && value >= 0) {
rcvhwm = value;
return 0;
}
break;
case ZMQ_AFFINITY:
if (optvallen_ == sizeof (uint64_t)) {
affinity = *((uint64_t*) optval_);
return 0;
}
break;
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_ > 0 && optvallen_ < 256
&& *((const unsigned char *) optval_) != 0) {
identity_size = optvallen_;
memcpy (identity, optval_, identity_size);
return 0;
}
break;
case ZMQ_RATE:
if (is_int && value > 0) {
rate = value;
return 0;
}
break;
case ZMQ_RECOVERY_IVL:
if (is_int && value >= 0) {
recovery_ivl = value;
return 0;
}
break;
case ZMQ_SNDBUF:
if (is_int && value >= 0) {
sndbuf = value;
return 0;
}
break;
case ZMQ_RCVBUF:
if (is_int && value >= 0) {
rcvbuf = value;
return 0;
}
break;
case ZMQ_LINGER:
if (is_int && value >= -1) {
linger = value;
return 0;
}
break;
case ZMQ_RECONNECT_IVL:
if (is_int && value >= -1) {
reconnect_ivl = value;
return 0;
}
break;
case ZMQ_RECONNECT_IVL_MAX:
if (is_int && value >= 0) {
reconnect_ivl_max = value;
return 0;
}
break;
case ZMQ_BACKLOG:
if (is_int && value >= 0) {
backlog = value;
return 0;
}
break;
case ZMQ_MAXMSGSIZE:
if (optvallen_ == sizeof (int64_t)) {
maxmsgsize = *((int64_t *) optval_);
return 0;
}
break;
case ZMQ_MULTICAST_HOPS:
if (is_int && value > 0) {
multicast_hops = value;
return 0;
}
break;
case ZMQ_RCVTIMEO:
if (is_int && value >= -1) {
rcvtimeo = value;
return 0;
}
break;
case ZMQ_SNDTIMEO:
if (is_int && value >= -1) {
sndtimeo = value;
return 0;
}
break;
/* Deprecated in favor of ZMQ_IPV6 */
case ZMQ_IPV4ONLY:
if (is_int && (value == 0 || value == 1)) {
ipv6 = (value == 0);
return 0;
}
break;
/* To replace the somewhat surprising IPV4ONLY */
case ZMQ_IPV6:
if (is_int && (value == 0 || value == 1)) {
ipv6 = (value != 0);
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE:
if (is_int && (value >= -1 || value <= 1)) {
tcp_keepalive = value;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE_CNT:
if (is_int && (value == -1 || value >= 0)) {
tcp_keepalive_cnt = value;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE_IDLE:
if (is_int && (value == -1 || value >= 0)) {
tcp_keepalive_idle = value;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE_INTVL:
if (is_int && (value == -1 || value >= 0)) {
tcp_keepalive_intvl = value;
return 0;
}
break;
case ZMQ_IMMEDIATE:
if (is_int && (value == 0 || value == 1)) {
immediate = value;
return 0;
}
break;
case ZMQ_TCP_ACCEPT_FILTER:
if (optvallen_ == 0 && optval_ == NULL) {
tcp_accept_filters.clear ();
return 0;
}
else
if (optvallen_ > 0 && optvallen_ < 256 && optval_ != NULL && *((const char*) optval_) != 0) {
std::string filter_str ((const char *) optval_, optvallen_);
tcp_address_mask_t mask;
int rc = mask.resolve (filter_str.c_str (), ipv6);
if (rc == 0) {
tcp_accept_filters.push_back (mask);
return 0;
}
}
break;
case ZMQ_PLAIN_SERVER:
if (is_int && (value == 0 || value == 1)) {
as_server = value;
mechanism = value? ZMQ_PLAIN: ZMQ_NULL;
return 0;
}
break;
case ZMQ_PLAIN_USERNAME:
if (optvallen_ == 0 && optval_ == NULL) {
mechanism = ZMQ_NULL;
return 0;
}
else
if (optvallen_ > 0 && optvallen_ < 256 && optval_ != NULL) {
plain_username.assign ((const char *) optval_, optvallen_);
as_server = 0;
mechanism = ZMQ_PLAIN;
return 0;
}
break;
case ZMQ_PLAIN_PASSWORD:
if (optvallen_ == 0 && optval_ == NULL) {
mechanism = ZMQ_NULL;
return 0;
}
else
if (optvallen_ > 0 && optvallen_ < 256 && optval_ != NULL) {
plain_password.assign ((const char *) optval_, optvallen_);
as_server = 0;
mechanism = ZMQ_PLAIN;
return 0;
}
break;
case ZMQ_ZAP_DOMAIN:
if (optvallen_ < 256) {
zap_domain.assign ((const char *) optval_, optvallen_);
return 0;
}
break;
// If libsodium isn't installed, these options provoke EINVAL
# ifdef HAVE_LIBSODIUM
case ZMQ_CURVE_SERVER:
if (is_int && (value == 0 || value == 1)) {
as_server = value;
mechanism = value? ZMQ_CURVE: ZMQ_NULL;
return 0;
}
break;
case ZMQ_CURVE_PUBLICKEY:
if (optvallen_ == CURVE_KEYSIZE) {
memcpy (curve_public_key, optval_, CURVE_KEYSIZE);
mechanism = ZMQ_CURVE;
return 0;
}
else
if (optvallen_ == CURVE_KEYSIZE_Z85) {
zmq_z85_decode (curve_public_key, (char *) optval_);
mechanism = ZMQ_CURVE;
return 0;
}
break;
case ZMQ_CURVE_SECRETKEY:
if (optvallen_ == CURVE_KEYSIZE) {
memcpy (curve_secret_key, optval_, CURVE_KEYSIZE);
mechanism = ZMQ_CURVE;
return 0;
}
else
if (optvallen_ == CURVE_KEYSIZE_Z85) {
zmq_z85_decode (curve_secret_key, (char *) optval_);
mechanism = ZMQ_CURVE;
return 0;
}
break;
case ZMQ_CURVE_SERVERKEY:
if (optvallen_ == CURVE_KEYSIZE) {
memcpy (curve_server_key, optval_, CURVE_KEYSIZE);
as_server = 0;
mechanism = ZMQ_CURVE;
return 0;
}
else
if (optvallen_ == CURVE_KEYSIZE_Z85) {
zmq_z85_decode (curve_server_key, (char *) optval_);
as_server = 0;
mechanism = ZMQ_CURVE;
return 0;
}
break;
# endif
case ZMQ_CONFLATE:
if (is_int && (value == 0 || value == 1)) {
conflate = (value != 0);
return 0;
}
break;
default:
break;
}
errno = EINVAL;
return -1;
}
int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
{
bool is_int = (*optvallen_ == sizeof (int));
int *value = (int *) optval_;
switch (option_) {
case ZMQ_SNDHWM:
if (is_int) {
*value = sndhwm;
return 0;
}
break;
case ZMQ_RCVHWM:
if (is_int) {
*value = rcvhwm;
return 0;
}
break;
case ZMQ_AFFINITY:
if (*optvallen_ == sizeof (uint64_t)) {
*((uint64_t *) optval_) = affinity;
return 0;
}
break;
case ZMQ_IDENTITY:
if (*optvallen_ >= identity_size) {
memcpy (optval_, identity, identity_size);
*optvallen_ = identity_size;
return 0;
}
break;
case ZMQ_RATE:
if (is_int) {
*value = rate;
return 0;
}
break;
case ZMQ_RECOVERY_IVL:
if (is_int) {
*value = recovery_ivl;
return 0;
}
break;
case ZMQ_SNDBUF:
if (is_int) {
*value = sndbuf;
return 0;
}
break;
case ZMQ_RCVBUF:
if (is_int) {
*value = rcvbuf;
return 0;
}
break;
case ZMQ_TYPE:
if (is_int) {
*value = type;
return 0;
}
break;
case ZMQ_LINGER:
if (is_int) {
*value = linger;
return 0;
}
break;
case ZMQ_RECONNECT_IVL:
if (is_int) {
*value = reconnect_ivl;
return 0;
}
break;
case ZMQ_RECONNECT_IVL_MAX:
if (is_int) {
*value = reconnect_ivl_max;
return 0;
}
break;
case ZMQ_BACKLOG:
if (is_int) {
*value = backlog;
return 0;
}
break;
case ZMQ_MAXMSGSIZE:
if (*optvallen_ == sizeof (int64_t)) {
*((int64_t *) optval_) = maxmsgsize;
*optvallen_ = sizeof (int64_t);
return 0;
}
break;
case ZMQ_MULTICAST_HOPS:
if (is_int) {
*value = multicast_hops;
return 0;
}
break;
case ZMQ_RCVTIMEO:
if (is_int) {
*value = rcvtimeo;
return 0;
}
break;
case ZMQ_SNDTIMEO:
if (is_int) {
*value = sndtimeo;
return 0;
}
break;
case ZMQ_IPV4ONLY:
if (is_int) {
*value = 1 - ipv6;
return 0;
}
break;
case ZMQ_IPV6:
if (is_int) {
*value = ipv6;
return 0;
}
break;
case ZMQ_IMMEDIATE:
if (is_int) {
*value = immediate;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE:
if (is_int) {
*value = tcp_keepalive;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE_CNT:
if (is_int) {
*value = tcp_keepalive_cnt;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE_IDLE:
if (is_int) {
*value = tcp_keepalive_idle;
return 0;
}
break;
case ZMQ_TCP_KEEPALIVE_INTVL:
if (is_int) {
*value = tcp_keepalive_intvl;
return 0;
}
break;
case ZMQ_MECHANISM:
if (is_int) {
*value = mechanism;
return 0;
}
break;
case ZMQ_PLAIN_SERVER:
if (is_int) {
*value = as_server && mechanism == ZMQ_PLAIN;
return 0;
}
break;
case ZMQ_PLAIN_USERNAME:
if (*optvallen_ >= plain_username.size () + 1) {
memcpy (optval_, plain_username.c_str (), plain_username.size () + 1);
*optvallen_ = plain_username.size () + 1;
return 0;
}
break;
case ZMQ_PLAIN_PASSWORD:
if (*optvallen_ >= plain_password.size () + 1) {
memcpy (optval_, plain_password.c_str (), plain_password.size () + 1);
*optvallen_ = plain_password.size () + 1;
return 0;
}
break;
case ZMQ_ZAP_DOMAIN:
if (*optvallen_ >= zap_domain.size () + 1) {
memcpy (optval_, zap_domain.c_str (), zap_domain.size () + 1);
*optvallen_ = zap_domain.size () + 1;
return 0;
}
break;
// If libsodium isn't installed, these options provoke EINVAL
# ifdef HAVE_LIBSODIUM
case ZMQ_CURVE_SERVER:
if (is_int) {
*value = as_server && mechanism == ZMQ_CURVE;
return 0;
}
break;
case ZMQ_CURVE_PUBLICKEY:
if (*optvallen_ == CURVE_KEYSIZE) {
memcpy (optval_, curve_public_key, CURVE_KEYSIZE);
return 0;
}
else
if (*optvallen_ == CURVE_KEYSIZE_Z85 + 1) {
zmq_z85_encode ((char *) optval_, curve_public_key, CURVE_KEYSIZE);
return 0;
}
break;
case ZMQ_CURVE_SECRETKEY:
if (*optvallen_ == CURVE_KEYSIZE) {
memcpy (optval_, curve_secret_key, CURVE_KEYSIZE);
return 0;
}
else
if (*optvallen_ == CURVE_KEYSIZE_Z85 + 1) {
zmq_z85_encode ((char *) optval_, curve_secret_key, CURVE_KEYSIZE);
return 0;
}
break;
case ZMQ_CURVE_SERVERKEY:
if (*optvallen_ == CURVE_KEYSIZE) {
memcpy (optval_, curve_server_key, CURVE_KEYSIZE);
return 0;
}
else
if (*optvallen_ == CURVE_KEYSIZE_Z85 + 1) {
zmq_z85_encode ((char *) optval_, curve_server_key, CURVE_KEYSIZE);
return 0;
}
break;
# endif
case ZMQ_CONFLATE:
if (is_int) {
*value = conflate;
return 0;
}
break;
}
errno = EINVAL;
return -1;
}
|
