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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "apr_private.h"
#if BEOS_BONE /* BONE uses the unix code - woohoo */
#include "../unix/poll.c"
#else
#include "networkio.h"
/* BeOS R4 doesn't have a poll function, but R5 will have
* so for the time being we try our best with an implementaion that
* uses select. However, select on beos isn't that hot either, so
* until R5 we have to live with a less than perfect implementation
*
* Apparently those sneaky people at Be included support for write in
* select for R4.5 of BeOS. So here we use code that uses the write
* bits.
*/
apr_status_t apr_poll_setup(apr_pollfd_t **new, apr_int32_t num, apr_pool_t *cont)
{
(*new) = (apr_pollfd_t *)apr_pcalloc(cont, sizeof(apr_pollfd_t) * num);
if ((*new) == NULL) {
return APR_ENOMEM;
}
(*new)->cntxt = cont;
(*new)->read = (fd_set *)apr_pcalloc(cont, sizeof(fd_set));
(*new)->write = (fd_set *)apr_pcalloc(cont, sizeof(fd_set));
(*new)->except = (fd_set *)apr_pcalloc(cont, sizeof(fd_set));
FD_ZERO((*new)->read);
FD_ZERO((*new)->write);
FD_ZERO((*new)->except);
(*new)->highsock = -1;
return APR_SUCCESS;
}
apr_status_t apr_poll_socket_add(apr_pollfd_t *aprset,
apr_socket_t *sock, apr_int16_t event)
{
if (event & APR_POLLIN) {
FD_SET(sock->socketdes, aprset->read);
}
if (event & APR_POLLPRI) {
FD_SET(sock->socketdes, aprset->read);
}
if (event & APR_POLLOUT) {
FD_SET(sock->socketdes, aprset->write);
}
if (sock->socketdes > aprset->highsock) {
aprset->highsock = sock->socketdes;
}
return APR_SUCCESS;
}
apr_status_t apr_poll_socket_mask(apr_pollfd_t *aprset,
apr_socket_t *sock,
apr_int16_t events)
{
if (events & APR_POLLIN) {
FD_CLR(sock->socketdes, aprset->read);
}
if (events & APR_POLLPRI) {
FD_CLR(sock->socketdes, aprset->except);
}
if (events & APR_POLLOUT) {
FD_CLR(sock->socketdes, aprset->write);
}
return APR_SUCCESS;
}
apr_status_t apr_poll(apr_pollfd_t *aprset, apr_int32_t *nsds,
apr_interval_time_t timeout)
{
int rv;
struct timeval tv, *tvptr;
if (timeout < 0) {
tvptr = NULL;
}
else {
tv.tv_sec = timeout / APR_USEC_PER_SEC;
tv.tv_usec = timeout % APR_USEC_PER_SEC;
tvptr = &tv;
}
rv = select(aprset->highsock + 1, aprset->read, aprset->write,
aprset->except, tvptr);
(*nsds) = rv;
if ((*nsds) == 0) {
return APR_TIMEUP;
}
if ((*nsds) < 0) {
return APR_EEXIST;
}
return APR_SUCCESS;
}
apr_status_t apr_poll_revents_get(apr_int16_t *event, apr_socket_t *sock, apr_pollfd_t *aprset)
{
apr_int16_t revents = 0;
char data[1];
int flags = 0;
if (FD_ISSET(sock->socketdes, aprset->read)) {
revents |= APR_POLLIN;
if (sock->connected
&& recv(sock->socketdes, data, 0 /*sizeof data*/, flags) == -1) {
switch (errno) {
case ECONNRESET:
case ECONNABORTED:
case ESHUTDOWN:
case ENETRESET:
revents ^= APR_POLLIN;
revents |= APR_POLLHUP;
break;
case ENOTSOCK:
revents ^= APR_POLLIN;
revents |= APR_POLLNVAL;
break;
default:
revents ^= APR_POLLIN;
revents |= APR_POLLERR;
break;
}
}
}
if (FD_ISSET(sock->socketdes, aprset->write)) {
revents |= APR_POLLOUT;
}
/* I am assuming that the except is for out of band data, not a failed
* connection on a non-blocking socket. Might be a bad assumption, but
* it works for now. rbb.
*/
if (FD_ISSET(sock->socketdes, aprset->except)) {
revents |= APR_POLLPRI;
}
(*event) = revents;
return APR_SUCCESS;
}
apr_status_t apr_poll_socket_remove(apr_pollfd_t *aprset, apr_socket_t *sock)
{
FD_CLR(sock->socketdes, aprset->read);
FD_CLR(sock->socketdes, aprset->read);
FD_CLR(sock->socketdes, aprset->write);
return APR_SUCCESS;
}
apr_status_t apr_poll_socket_clear(apr_pollfd_t *aprset, apr_int16_t event)
{
if (event & APR_POLLIN) {
FD_ZERO(aprset->read);
}
if (event & APR_POLLPRI) {
FD_ZERO(aprset->read);
}
if (event & APR_POLLOUT) {
FD_ZERO(aprset->write);
}
aprset->highsock = 0;
return APR_SUCCESS;
}
apr_status_t apr_poll_data_get(apr_pollfd_t *pollfd, const char *key, void *data)
{
return apr_pool_userdata_get(data, key, pollfd->cntxt);
}
apr_status_t apr_poll_data_set(apr_pollfd_t *pollfd, void *data, const char *key,
apr_status_t (*cleanup) (void *))
{
return apr_pool_userdata_set(data, key, cleanup, pollfd->cntxt);
}
#endif /* BEOS_BONE */
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