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-rw-r--r--network_io/os2/sendrecv.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/network_io/os2/sendrecv.c b/network_io/os2/sendrecv.c
new file mode 100644
index 0000000..839ff3f
--- /dev/null
+++ b/network_io/os2/sendrecv.c
@@ -0,0 +1,155 @@
+/* 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_lib.h"
+#include <sys/time.h>
+
+APR_DECLARE(apr_status_t) apr_socket_send(apr_socket_t *sock, const char *buf,
+ apr_size_t *len)
+{
+ apr_ssize_t rv;
+ int fds, err = 0;
+
+ if (*len > 65536) {
+ *len = 65536;
+ }
+
+ do {
+ if (!sock->nonblock || err == SOCEWOULDBLOCK) {
+ fds = sock->socketdes;
+ rv = select(&fds, 0, 1, 0, sock->timeout >= 0 ? sock->timeout/1000 : -1);
+
+ if (rv != 1) {
+ *len = 0;
+ err = sock_errno();
+
+ if (rv == 0)
+ return APR_TIMEUP;
+
+ if (err == SOCEINTR)
+ continue;
+
+ return APR_OS2_STATUS(err);
+ }
+ }
+
+ rv = send(sock->socketdes, buf, (*len), 0);
+ err = rv < 0 ? sock_errno() : 0;
+ } while (err == SOCEINTR || err == SOCEWOULDBLOCK);
+
+ if (err) {
+ *len = 0;
+ return APR_OS2_STATUS(err);
+ }
+
+ (*len) = rv;
+ return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_socket_recv(apr_socket_t *sock, char *buf,
+ apr_size_t *len)
+{
+ apr_ssize_t rv;
+ int fds, err = 0;
+
+ do {
+ if (!sock->nonblock || (err == SOCEWOULDBLOCK && sock->timeout != 0)) {
+ fds = sock->socketdes;
+ rv = select(&fds, 1, 0, 0, sock->timeout >= 0 ? sock->timeout/1000 : -1);
+
+ if (rv != 1) {
+ *len = 0;
+ err = sock_errno();
+
+ if (rv == 0)
+ return APR_TIMEUP;
+
+ if (err == SOCEINTR)
+ continue;
+
+ return APR_OS2_STATUS(err);
+ }
+ }
+
+ rv = recv(sock->socketdes, buf, (*len), 0);
+ err = rv < 0 ? sock_errno() : 0;
+ } while (err == SOCEINTR || (err == SOCEWOULDBLOCK && sock->timeout != 0));
+
+ if (err) {
+ *len = 0;
+ return APR_OS2_STATUS(err);
+ }
+
+ (*len) = rv;
+ return rv == 0 ? APR_EOF : APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_socket_sendv(apr_socket_t *sock,
+ const struct iovec *vec,
+ apr_int32_t nvec, apr_size_t *len)
+{
+ apr_status_t rv;
+ struct iovec *tmpvec;
+ int fds, err = 0;
+ int nv_tosend, total = 0;
+
+ /* Make sure writev() only gets fed 64k at a time */
+ for ( nv_tosend = 0; nv_tosend < nvec && total + vec[nv_tosend].iov_len < 65536; nv_tosend++ ) {
+ total += vec[nv_tosend].iov_len;
+ }
+
+ tmpvec = alloca(sizeof(struct iovec) * nv_tosend);
+ memcpy(tmpvec, vec, sizeof(struct iovec) * nv_tosend);
+
+ do {
+ if (!sock->nonblock || err == SOCEWOULDBLOCK) {
+ fds = sock->socketdes;
+ rv = select(&fds, 0, 1, 0, sock->timeout >= 0 ? sock->timeout/1000 : -1);
+
+ if (rv != 1) {
+ *len = 0;
+ err = sock_errno();
+
+ if (rv == 0)
+ return APR_TIMEUP;
+
+ if (err == SOCEINTR)
+ continue;
+
+ return APR_OS2_STATUS(err);
+ }
+ }
+
+ rv = writev(sock->socketdes, tmpvec, nv_tosend);
+ err = rv < 0 ? sock_errno() : 0;
+ } while (err == SOCEINTR || err == SOCEWOULDBLOCK);
+
+ if (err) {
+ *len = 0;
+ return APR_OS2_STATUS(err);
+ }
+
+ *len = rv;
+ return APR_SUCCESS;
+}