diff options
Diffstat (limited to 'network_io/win32/sockopt.c')
| -rw-r--r-- | network_io/win32/sockopt.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/network_io/win32/sockopt.c b/network_io/win32/sockopt.c new file mode 100644 index 0000000..463eeeb --- /dev/null +++ b/network_io/win32/sockopt.c @@ -0,0 +1,302 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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_arch_misc.h" /* apr_os_level */ +#include "apr_network_io.h" +#include "apr_general.h" +#include "apr_strings.h" +#include <string.h> + +/* IPV6_V6ONLY is missing from pre-Windows 2008 SDK as well as MinGW + * (at least up through 1.0.16). + * Runtime support is a separate issue. + */ +#ifndef IPV6_V6ONLY +#define IPV6_V6ONLY 27 +#endif + +static 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; +} + +static 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 || apr_is_option_set(sock, APR_SO_NONBLOCK)) { + if ((stat = soblock(sock->socketdes)) != APR_SUCCESS) + return stat; + apr_set_option(sock, APR_SO_NONBLOCK, 0); + } + /* 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_SNDBUF: + if (setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDBUF, + (void *)&on, sizeof(int)) == -1) { + return apr_get_netos_error(); + } + break; + case APR_SO_RCVBUF: + if (setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVBUF, + (void *)&on, sizeof(int)) == -1) { + return apr_get_netos_error(); + } + break; + case APR_SO_BROADCAST: + if (on != apr_is_option_set(sock, APR_SO_BROADCAST)) { + if (setsockopt(sock->socketdes, SOL_SOCKET, SO_BROADCAST, + (void *)&one, sizeof(int)) == -1) { + return apr_get_netos_error(); + } + apr_set_option(sock, APR_SO_BROADCAST, 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 apr_get_netos_error(); + } + 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 + if (apr_os_level < APR_WIN_VISTA && + sock->local_addr->family == AF_INET6) { + /* apr_set_option() called at socket creation */ + if (on) { + return APR_SUCCESS; + } + else { + return APR_ENOTIMPL; + } + } + /* 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; +} + |