diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/network_io/os2/sendrecv_udp.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/network_io/os2/sendrecv_udp.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/network_io/os2/sendrecv_udp.c b/rubbos/app/httpd-2.0.64/srclib/apr/network_io/os2/sendrecv_udp.c new file mode 100644 index 00000000..0e23d11e --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/network_io/os2/sendrecv_udp.c @@ -0,0 +1,122 @@ +/* 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; +} + +/* deprecated */ +APR_DECLARE(apr_status_t) apr_sendto(apr_socket_t *sock, apr_sockaddr_t *where, + apr_int32_t flags, const char *buf, + apr_size_t *len) +{ + return apr_socket_sendto(sock, where, flags, buf, len); +} + + + +APR_DECLARE(apr_status_t) apr_recvfrom(apr_sockaddr_t *from, + apr_socket_t *sock, + apr_int32_t flags, char *buf, + apr_size_t *len) +{ + return apr_socket_recvfrom(from, sock, flags, buf, len); +} |