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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* 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_errno.h"
#include "apr_general.h"
#include "apr_network_io.h"
#include "apr_support.h"
#include "apr_lib.h"
#include <sys/time.h>
APR_DECLARE(apr_status_t) apr_socket_sendto(apr_socket_t *sock,
apr_sockaddr_t *where,
apr_int32_t flags, const char *buf,
apr_size_t *len)
{
apr_ssize_t rv;
int serrno;
do {
rv = sendto(sock->socketdes, buf, (*len), flags,
(struct sockaddr*)&where->sa,
where->salen);
} while (rv == -1 && (serrno = sock_errno()) == EINTR);
if (rv == -1 && serrno == SOCEWOULDBLOCK && sock->timeout != 0) {
apr_status_t arv = apr_wait_for_io_or_timeout(NULL, sock, 0);
if (arv != APR_SUCCESS) {
*len = 0;
return arv;
} else {
do {
rv = sendto(sock->socketdes, buf, *len, flags,
(const struct sockaddr*)&where->sa,
where->salen);
} while (rv == -1 && (serrno = sock_errno()) == SOCEINTR);
}
}
if (rv == -1) {
*len = 0;
return APR_FROM_OS_ERROR(serrno);
}
*len = rv;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_socket_recvfrom(apr_sockaddr_t *from,
apr_socket_t *sock,
apr_int32_t flags, char *buf,
apr_size_t *len)
{
apr_ssize_t rv;
int serrno;
do {
rv = recvfrom(sock->socketdes, buf, (*len), flags,
(struct sockaddr*)&from->sa, &from->salen);
} while (rv == -1 && (serrno = sock_errno()) == EINTR);
if (rv == -1 && serrno == SOCEWOULDBLOCK && sock->timeout != 0) {
apr_status_t arv = apr_wait_for_io_or_timeout(NULL, sock, 1);
if (arv != APR_SUCCESS) {
*len = 0;
return arv;
} else {
do {
rv = recvfrom(sock->socketdes, buf, *len, flags,
(struct sockaddr*)&from->sa, &from->salen);
} while (rv == -1 && (serrno = sock_errno()) == EINTR);
}
}
if (rv == -1) {
(*len) = 0;
return APR_FROM_OS_ERROR(serrno);
}
(*len) = rv;
if (rv == 0 && sock->type == SOCK_STREAM)
return APR_EOF;
return APR_SUCCESS;
}
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