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/* 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 "httpd.h"
#include "http_request.h"
#include "http_protocol.h"
#include "scoreboard.h"
typedef struct {
apr_bucket_refcount refcount;
request_rec *r;
} ap_bucket_eor;
static apr_status_t eor_bucket_cleanup(void *data)
{
request_rec **rp = data;
if (*rp) {
request_rec *r = *rp;
/*
* If eor_bucket_destroy is called after us, this prevents
* eor_bucket_destroy from trying to destroy the pool again.
*/
*rp = NULL;
/* Update child status and log the transaction */
ap_update_child_status(r->connection->sbh, SERVER_BUSY_LOG, r);
ap_run_log_transaction(r);
if (ap_extended_status) {
ap_increment_counts(r->connection->sbh, r);
}
}
return APR_SUCCESS;
}
static apr_status_t eor_bucket_read(apr_bucket *b, const char **str,
apr_size_t *len, apr_read_type_e block)
{
*str = NULL;
*len = 0;
return APR_SUCCESS;
}
AP_DECLARE(apr_bucket *) ap_bucket_eor_make(apr_bucket *b, request_rec *r)
{
ap_bucket_eor *h;
h = apr_bucket_alloc(sizeof(*h), b->list);
h->r = r;
b = apr_bucket_shared_make(b, h, 0, 0);
b->type = &ap_bucket_type_eor;
return b;
}
AP_DECLARE(apr_bucket *) ap_bucket_eor_create(apr_bucket_alloc_t *list,
request_rec *r)
{
apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
APR_BUCKET_INIT(b);
b->free = apr_bucket_free;
b->list = list;
b = ap_bucket_eor_make(b, r);
if (r) {
ap_bucket_eor *h = b->data;
/*
* Register a cleanup for the request pool as the eor bucket could
* have been allocated from a different pool then the request pool
* e.g. the parent pool of the request pool. In this case
* eor_bucket_destroy might be called at a point of time when the
* request pool had been already destroyed.
* We need to use a pre-cleanup here because a module may create a
* sub-pool which is still needed during the log_transaction hook.
*/
apr_pool_pre_cleanup_register(r->pool, &h->r, eor_bucket_cleanup);
}
return b;
}
AP_DECLARE(request_rec *) ap_bucket_eor_request(apr_bucket *b)
{
ap_bucket_eor *h = b->data;
AP_DEBUG_ASSERT(AP_BUCKET_IS_EOR(b));
return h->r;
}
static void eor_bucket_destroy(void *data)
{
ap_bucket_eor *h = data;
if (apr_bucket_shared_destroy(h)) {
request_rec *r = h->r;
if (r) {
/* eor_bucket_cleanup will be called when the pool gets destroyed */
apr_pool_destroy(r->pool);
}
apr_bucket_free(h);
}
}
AP_DECLARE_DATA const apr_bucket_type_t ap_bucket_type_eor = {
"EOR", 5, APR_BUCKET_METADATA,
eor_bucket_destroy,
eor_bucket_read,
apr_bucket_setaside_noop,
apr_bucket_split_notimpl,
apr_bucket_shared_copy
};
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