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/* ====================================================================
* 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 "apr_private.h"
#include "httpd.h"
#include "ap_buckets.h"
#include <stdlib.h>
static apr_status_t pipe_split(ap_bucket *a, apr_off_t point)
{
/* Splitting a pipe doesn't really make any sense, because as we read
* it becomes a heap bucket. I am leaving this in because I may be wrong,
* but it just returns an error, and I expect it to go away immediately
*/
return APR_ENOTIMPL;
}
/* Ignore the block arg for now. We can fix that tomorrow. */
static apr_status_t pipe_read(ap_bucket *b, const char **str,
apr_ssize_t *len, int block)
{
ap_bucket_pipe *bd = b->data;
ap_bucket *a;
apr_size_t l;
apr_ssize_t toss;
char buf[IOBUFSIZE];
apr_status_t rv;
*len = IOBUFSIZE;
if ((rv = apr_read(bd->thepipe, buf, len)) != APR_SUCCESS) {
return rv;
}
if (*len > 0) {
l = *len;
a = ap_bucket_create_pipe(bd->thepipe);
/* XXX ap_bucket_make_heap() can decide not to copy all our data;
* either handle it here or ensure that IOBUFSIZE <
* DEFAULT_BUCKET_SIZE;
*/
b = ap_bucket_make_heap(b, buf, l, 1, &toss);
b->read(b, str, len, block); /* set str to new location of data */
if (b->next) {
b->next->prev = a;
}
a->next = b->next;
b->next = a;
a->prev = b;
}
return APR_SUCCESS;
}
API_EXPORT(ap_bucket *) ap_bucket_make_pipe(ap_bucket *b, apr_file_t *thispipe)
{
ap_bucket_pipe *bd;
bd = malloc(sizeof(*bd));
if (bd == NULL) {
return NULL;
}
bd->thepipe = thispipe;
b->type = AP_BUCKET_PIPE;
b->length = -1;
b->setaside = NULL;
b->destroy = free;
b->split = NULL;
b->read = pipe_read;
b->data = bd;
return b;
}
API_EXPORT(ap_bucket *) ap_bucket_create_pipe(apr_file_t *thispipe)
{
ap_bucket_do_create(ap_bucket_make_pipe(b, thispipe));
}
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