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proc/30010/root/usr/local/src/apr-1.5.2/network_io/os2/_[ Not.Writable ]

File://proc/30010/root/usr/local/src/apr-1.5.2/network_io/os2/sendrecv.c

/* 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;
}

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Regist : 09-12-2024	Expired : 01-12-2027