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/* ------------------------------------------------------------------------- */
/*
* Copyright 2007-2019 GRAHAM DUMPLETON
*
* Licensed 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 "wsgi_buckets.h"
#include "wsgi_interp.h"
/* ------------------------------------------------------------------------- */
typedef struct {
apr_bucket_refcount refcount;
char *base;
const char *application_group;
PyObject *string_object;
int decref_string;
} wsgi_apr_bucket_python;
/* ------------------------------------------------------------------------- */
static void wsgi_python_bucket_destroy(void *data)
{
wsgi_apr_bucket_python *h = data;
if (apr_bucket_shared_destroy(h)) {
if (h->decref_string) {
InterpreterObject *interp = NULL;
interp = wsgi_acquire_interpreter(h->application_group);
Py_DECREF(h->string_object);
wsgi_release_interpreter(interp);
}
apr_bucket_free(h);
}
}
/* ------------------------------------------------------------------------- */
static apr_status_t wsgi_python_bucket_read(apr_bucket *b, const char **str,
apr_size_t *len,
apr_read_type_e block)
{
wsgi_apr_bucket_python *h = b->data;
*str = h->base + b->start;
*len = b->length;
return APR_SUCCESS;
}
/* ------------------------------------------------------------------------- */
static apr_bucket *wsgi_apr_bucket_python_make(apr_bucket *b,
const char *buf,
apr_size_t length,
const char *application_group,
PyObject *string_object,
int decref_string
)
{
wsgi_apr_bucket_python *h;
h = apr_bucket_alloc(sizeof(*h), b->list);
h->base = (char *)buf;
h->application_group = application_group;
h->string_object = string_object;
h->decref_string = decref_string;
b = apr_bucket_shared_make(b, h, 0, length);
b->type = &wsgi_apr_bucket_type_python;
return b;
}
/* ------------------------------------------------------------------------- */
apr_bucket *wsgi_apr_bucket_python_create(const char *buf, apr_size_t length,
const char *application_group,
PyObject *string_object,
apr_bucket_alloc_t *list)
{
apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
APR_BUCKET_INIT(b);
b->free = apr_bucket_free;
b->list = list;
return wsgi_apr_bucket_python_make(b, buf, length, application_group,
string_object, 0);
}
/* ------------------------------------------------------------------------- */
static apr_status_t wsgi_python_bucket_setaside(apr_bucket *b, apr_pool_t *p)
{
wsgi_apr_bucket_python *h = b->data;
if (h->decref_string) {
/*
* XXX Not sure if this is correct. Can't assume that if doing
* a set aside of a bucket which was already set aside that
* we aren't still in context of active interpreter.
*/
InterpreterObject *interp = NULL;
interp = wsgi_acquire_interpreter(h->application_group);
Py_INCREF(h->string_object);
wsgi_release_interpreter(interp);
}
else {
Py_INCREF(h->string_object);
}
wsgi_apr_bucket_python_make(b, (char *)h->base + b->start, b->length,
h->application_group, h->string_object, 1);
return APR_SUCCESS;
}
/* ------------------------------------------------------------------------- */
const apr_bucket_type_t wsgi_apr_bucket_type_python = {
"PYTHON", 5, APR_BUCKET_DATA,
wsgi_python_bucket_destroy,
wsgi_python_bucket_read,
wsgi_python_bucket_setaside,
apr_bucket_shared_split,
apr_bucket_shared_copy
};
/* ------------------------------------------------------------------------- */
/* vi: set sw=4 expandtab : */
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