| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| #include "httpd.h" |
| #include "ap_buckets.h" |
| #include <stdlib.h> |
| |
| /* XXX: We should obey the block flag */ |
| static apr_status_t socket_read(ap_bucket *a, const char **str, |
| apr_size_t *len, ap_read_type block) |
| { |
| apr_socket_t *p = a->data; |
| ap_bucket *b; |
| char *buf; |
| apr_status_t rv; |
| apr_int32_t timeout; |
| |
| if (block == AP_NONBLOCK_READ) { |
| apr_getsocketopt(p, APR_SO_TIMEOUT, &timeout); |
| apr_setsocketopt(p, APR_SO_TIMEOUT, 0); |
| } |
| |
| buf = malloc(IOBUFSIZE); /* XXX: check for failure? */ |
| *str = buf; |
| *len = IOBUFSIZE; |
| rv = apr_recv(p, buf, len); |
| |
| if (block == AP_NONBLOCK_READ) { |
| apr_setsocketopt(p, APR_SO_TIMEOUT, timeout); |
| } |
| |
| if (rv != APR_SUCCESS && rv != APR_EOF) { |
| *str = NULL; |
| free(buf); |
| return rv; |
| } |
| /* |
| * Change the current bucket to refer to what we read, |
| * even if we read nothing because we hit EOF. |
| */ |
| ap_bucket_make_heap(a, buf, *len, 0, NULL); /* XXX: check for failure? */ |
| /* |
| * If there's more to read we have to keep the rest of the socket |
| * for later. XXX: Note that more complicated bucket types that |
| * refer to data not in memory and must therefore have a read() |
| * function similar to this one should be wary of copying this |
| * code because if they have a destroy function they probably |
| * want to migrate the bucket's subordinate structure from the |
| * old bucket to a raw new one and adjust it as appropriate, |
| * rather than destroying the old one and creating a completely |
| * new bucket. |
| * |
| * Even if there is nothing more to read, don't close the socket here |
| * as we have to use it to send any response :) We could shut it |
| * down for reading, but there is no benefit to doing so. |
| */ |
| if (*len > 0) { |
| b = ap_bucket_create_socket(p); |
| AP_BUCKET_INSERT_AFTER(a, b); |
| } |
| return APR_SUCCESS; |
| } |
| |
| AP_DECLARE(ap_bucket *) ap_bucket_make_socket(ap_bucket *b, apr_socket_t *p) |
| { |
| /* |
| * XXX: We rely on a cleanup on some pool or other to actually |
| * destroy the socket. We should probably explicitly call apr to |
| * destroy it instead. |
| * |
| * Note that typically the socket is allocated from the connection pool |
| * so it will disappear when the connection is finished. |
| */ |
| b->type = &ap_socket_type; |
| b->length = -1; |
| b->data = p; |
| |
| return b; |
| } |
| |
| AP_DECLARE(ap_bucket *) ap_bucket_create_socket(apr_socket_t *p) |
| { |
| ap_bucket_do_create(ap_bucket_make_socket(b, p)); |
| } |
| |
| const ap_bucket_type ap_socket_type = { |
| "SOCKET", 4, |
| ap_bucket_destroy_notimpl, |
| socket_read, |
| ap_bucket_setaside_notimpl, |
| ap_bucket_split_notimpl |
| }; |