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/* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr_arch_networkio.h"
#include "apr_network_io.h"
#include "apr_general.h"
#include "apr_strings.h"
#include <string.h>
apr_status_t soblock(SOCKET sd)
{
u_long zero = 0;
if (ioctlsocket(sd, FIONBIO, &zero) == SOCKET_ERROR) {
return apr_get_netos_error();
}
return APR_SUCCESS;
}
apr_status_t sononblock(SOCKET sd)
{
u_long one = 1;
if (ioctlsocket(sd, FIONBIO, &one) == SOCKET_ERROR) {
return apr_get_netos_error();
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_socket_timeout_set(apr_socket_t *sock, apr_interval_time_t t)
{
apr_status_t stat;
if (t == 0) {
/* Set the socket non-blocking if it was previously blocking */
if (sock->timeout != 0) {
if ((stat = sononblock(sock->socketdes)) != APR_SUCCESS)
return stat;
}
}
else if (t > 0) {
/* Set the socket to blocking if it was previously non-blocking */
if (sock->timeout == 0) {
if ((stat = soblock(sock->socketdes)) != APR_SUCCESS)
return stat;
}
/* Reset socket timeouts if the new timeout differs from the old timeout */
if (sock->timeout != t)
{
/* Win32 timeouts are in msec, represented as int */
sock->timeout_ms = (int)apr_time_as_msec(t);
setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVTIMEO,
(char *) &sock->timeout_ms,
sizeof(sock->timeout_ms));
setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDTIMEO,
(char *) &sock->timeout_ms,
sizeof(sock->timeout_ms));
}
}
else if (t < 0) {
int zero = 0;
/* Set the socket to blocking with infinite timeouts */
if ((stat = soblock(sock->socketdes)) != APR_SUCCESS)
return stat;
setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVTIMEO,
(char *) &zero, sizeof(zero));
setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDTIMEO,
(char *) &zero, sizeof(zero));
}
sock->timeout = t;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_socket_opt_set(apr_socket_t *sock,
apr_int32_t opt, apr_int32_t on)
{
int one;
apr_status_t stat;
one = on ? 1 : 0;
switch (opt) {
case APR_SO_KEEPALIVE:
if (on != apr_is_option_set(sock, APR_SO_KEEPALIVE)) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_KEEPALIVE,
(void *)&one, sizeof(int)) == -1) {
return apr_get_netos_error();
}
apr_set_option(sock, APR_SO_KEEPALIVE, on);
}
break;
case APR_SO_DEBUG:
if (on != apr_is_option_set(sock, APR_SO_DEBUG)) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_DEBUG,
(void *)&one, sizeof(int)) == -1) {
return apr_get_netos_error();
}
apr_set_option(sock, APR_SO_DEBUG, on);
}
break;
case APR_SO_REUSEADDR:
if (on != apr_is_option_set(sock, APR_SO_REUSEADDR)) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_REUSEADDR,
(void *)&one, sizeof(int)) == -1) {
return apr_get_netos_error();
}
apr_set_option(sock, APR_SO_REUSEADDR, on);
}
break;
case APR_SO_NONBLOCK:
if (apr_is_option_set(sock, APR_SO_NONBLOCK) != on) {
if (on) {
if ((stat = sononblock(sock->socketdes)) != APR_SUCCESS)
return stat;
}
else {
if ((stat = soblock(sock->socketdes)) != APR_SUCCESS)
return stat;
}
apr_set_option(sock, APR_SO_NONBLOCK, on);
}
break;
case APR_SO_LINGER:
{
if (apr_is_option_set(sock, APR_SO_LINGER) != on) {
struct linger li;
li.l_onoff = on;
li.l_linger = APR_MAX_SECS_TO_LINGER;
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_LINGER,
(char *) &li, sizeof(struct linger)) == -1) {
return apr_get_netos_error();
}
apr_set_option(sock, APR_SO_LINGER, on);
}
break;
}
case APR_TCP_DEFER_ACCEPT:
#if defined(TCP_DEFER_ACCEPT)
if (apr_is_option_set(sock, APR_TCP_DEFER_ACCEPT) != on) {
int optlevel = IPPROTO_TCP;
int optname = TCP_DEFER_ACCEPT;
if (setsockopt(sock->socketdes, optlevel, optname,
(void *)&on, sizeof(int)) == -1) {
return errno;
}
apr_set_option(sock, APR_TCP_DEFER_ACCEPT, on);
}
#else
return APR_ENOTIMPL;
#endif
case APR_TCP_NODELAY:
if (apr_is_option_set(sock, APR_TCP_NODELAY) != on) {
int optlevel = IPPROTO_TCP;
int optname = TCP_NODELAY;
#if APR_HAVE_SCTP
if (sock->protocol == IPPROTO_SCTP) {
optlevel = IPPROTO_SCTP;
optname = SCTP_NODELAY;
}
#endif
if (setsockopt(sock->socketdes, optlevel, optname,
(void *)&on, sizeof(int)) == -1) {
return apr_get_netos_error();
}
apr_set_option(sock, APR_TCP_NODELAY, on);
}
break;
case APR_IPV6_V6ONLY:
#if APR_HAVE_IPV6 && defined(IPV6_V6ONLY)
/* we don't know the initial setting of this option,
* so don't check sock->options since that optimization
* won't work
*/
if (setsockopt(sock->socketdes, IPPROTO_IPV6, IPV6_V6ONLY,
(void *)&on, sizeof(int)) == -1) {
return apr_get_netos_error();
}
apr_set_option(sock, APR_IPV6_V6ONLY, on);
#else
return APR_ENOTIMPL;
#endif
break;
default:
return APR_EINVAL;
break;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_socket_timeout_get(apr_socket_t *sock, apr_interval_time_t *t)
{
*t = sock->timeout;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_socket_opt_get(apr_socket_t *sock,
apr_int32_t opt, apr_int32_t *on)
{
switch (opt) {
case APR_SO_DISCONNECTED:
*on = sock->disconnected;
break;
case APR_SO_KEEPALIVE:
case APR_SO_DEBUG:
case APR_SO_REUSEADDR:
case APR_SO_NONBLOCK:
case APR_SO_LINGER:
default:
*on = apr_is_option_set(sock, opt);
break;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_socket_atmark(apr_socket_t *sock, int *atmark)
{
u_long oobmark;
if (ioctlsocket(sock->socketdes, SIOCATMARK, (void*) &oobmark) < 0)
return apr_get_netos_error();
*atmark = (oobmark != 0);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_gethostname(char *buf, int len,
apr_pool_t *cont)
{
if (gethostname(buf, len) == -1) {
buf[0] = '\0';
return apr_get_netos_error();
}
else if (!memchr(buf, '\0', len)) { /* buffer too small */
buf[0] = '\0';
return APR_ENAMETOOLONG;
}
return APR_SUCCESS;
}
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