| /* 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_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; |
| } |