/* 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 "http_protocol.h"

#include "apr_buckets.h"

#include "apr_strings.h"

#if APR_HAVE_STRINGS_H

#include <strings.h>

#endif

static apr_status_t dummy_read(apr_bucket *b, const char **str,

                               apr_size_t *len, apr_read_type_e block)

{

    *str = NULL;

    *len = 0;

    return APR_SUCCESS;

}

static void request_bucket_destroy(void *data)

{

    ap_bucket_request *h = data;

    if (apr_bucket_shared_destroy(h)) {

        apr_bucket_free(h);

    }

}

AP_DECLARE(apr_bucket *) ap_bucket_request_make(

            apr_bucket *b,

            const char *method,

            const char *uri,

            const char *protocol,

            apr_table_t *headers,

            apr_pool_t *p)

{

    return ap_bucket_request_maken(b, apr_pstrdup(p, method),

                                   apr_pstrdup(p, uri), protocol,

                                   headers? apr_table_clone(p, headers) : NULL,

                                   p);

}

AP_DECLARE(apr_bucket *) ap_bucket_request_maken(

            apr_bucket *b,

            const char *method,

            const char *uri,

            const char *protocol,

            apr_table_t *headers,

            apr_pool_t *p)

{

    ap_bucket_request *h;

    h = apr_bucket_alloc(sizeof(*h), b->list);

    h->pool = p;

    h->method = method;

    h->uri = uri;

    h->protocol = protocol;

    h->headers = headers;

    b = apr_bucket_shared_make(b, h, 0, 0);

    b->type = &ap_bucket_type_request;

    return b;

}

AP_DECLARE(apr_bucket *) ap_bucket_request_create(

            const char *method,

            const char *uri,

            const char *protocol,

            apr_table_t *headers,

            apr_pool_t *p,

            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 ap_bucket_request_make(b, method, uri, protocol, headers, p);

}

AP_DECLARE(apr_bucket *) ap_bucket_request_createn(

            const char *method,

            const char *uri,

            const char *protocol,

            apr_table_t *headers,

            apr_pool_t *p,

            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 ap_bucket_request_maken(b, method, uri, protocol, headers, p);

}

AP_DECLARE_DATA const apr_bucket_type_t ap_bucket_type_request = {

    "REQUEST", 5, APR_BUCKET_METADATA,

    request_bucket_destroy,

    dummy_read,

    apr_bucket_setaside_notimpl,

    apr_bucket_split_notimpl,

    apr_bucket_shared_copy

};

AP_DECLARE(apr_bucket *) ap_bucket_request_clone(

        apr_bucket *source,

        apr_pool_t *p,

        apr_bucket_alloc_t *list)

{

    ap_bucket_request *sreq = source->data;

    AP_DEBUG_ASSERT(AP_BUCKET_IS_REQUEST(source));

    return ap_bucket_request_create(sreq->method, sreq->uri,

                                    sreq->protocol, sreq->headers, p, list);

}

static void response_bucket_destroy(void *data)

{

    ap_bucket_response *h = data;

    if (apr_bucket_shared_destroy(h)) {

        apr_bucket_free(h);

    }

}

AP_DECLARE(apr_bucket *) ap_bucket_response_make(apr_bucket *b, int status,

                                                 const char *reason,

                                                 apr_table_t *headers,

                                                 apr_table_t *notes,

                                                 apr_pool_t *p)

{

    ap_bucket_response *h;

    h = apr_bucket_alloc(sizeof(*h), b->list);

    h->pool = p;

    h->status = status;

    h->reason = reason? apr_pstrdup(p, reason) : NULL;

    h->headers = headers? apr_table_copy(p, headers) : apr_table_make(p, 5);

    h->notes = notes? apr_table_copy(p, notes) : apr_table_make(p, 5);

    b = apr_bucket_shared_make(b, h, 0, 0);

    b->type = &ap_bucket_type_response;

    return b;

}

AP_DECLARE(apr_bucket *) ap_bucket_response_create(int status, const char *reason,

                                                   apr_table_t *headers,

                                                   apr_table_t *notes,

                                                   apr_pool_t *p,

                                                   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 ap_bucket_response_make(b, status, reason, headers, notes, p);

}

AP_DECLARE_DATA const apr_bucket_type_t ap_bucket_type_response = {

    "RESPONSE", 5, APR_BUCKET_METADATA,

    response_bucket_destroy,

    dummy_read,

    apr_bucket_setaside_notimpl,

    apr_bucket_split_notimpl,

    apr_bucket_shared_copy

};

AP_DECLARE(apr_bucket *) ap_bucket_response_clone(apr_bucket *source,

                                                  apr_pool_t *p,

                                                  apr_bucket_alloc_t *list)

{

    ap_bucket_response *sresp = source->data;

    apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);

    ap_bucket_response *h;

    AP_DEBUG_ASSERT(AP_BUCKET_IS_RESPONSE(source));

    APR_BUCKET_INIT(b);

    b->free = apr_bucket_free;

    b->list = list;

    h = apr_bucket_alloc(sizeof(*h), b->list);

    h->status = sresp->status;

    h->reason = sresp->reason? apr_pstrdup(p, sresp->reason) : NULL;

    h->headers = apr_table_clone(p, sresp->headers);

    h->notes = apr_table_clone(p, sresp->notes);

    b = apr_bucket_shared_make(b, h, 0, 0);

    b->type = &ap_bucket_type_response;

    return b;

}

static void headers_bucket_destroy(void *data)

{

    ap_bucket_headers *h = data;

    if (apr_bucket_shared_destroy(h)) {

        apr_bucket_free(h);

    }

}

AP_DECLARE(apr_bucket *) ap_bucket_headers_make(apr_bucket *b,

                                                apr_table_t *headers,

                                                apr_pool_t *p)

{

    ap_bucket_headers *h;

    h = apr_bucket_alloc(sizeof(*h), b->list);

    h->pool = p;

    h->headers = headers? apr_table_copy(p, headers) : apr_table_make(p, 5);

    b = apr_bucket_shared_make(b, h, 0, 0);

    b->type = &ap_bucket_type_headers;

    return b;

}

AP_DECLARE(apr_bucket *) ap_bucket_headers_create(apr_table_t *headers,

                                                  apr_pool_t *p,

                                                  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 ap_bucket_headers_make(b, headers, p);

}

AP_DECLARE_DATA const apr_bucket_type_t ap_bucket_type_headers = {

    "HEADERS", 5, APR_BUCKET_METADATA,

    headers_bucket_destroy,

    dummy_read,

    apr_bucket_setaside_notimpl,

    apr_bucket_split_notimpl,

    apr_bucket_shared_copy

};

AP_DECLARE(apr_bucket *) ap_bucket_headers_clone(apr_bucket *source,

                                                 apr_pool_t *p,

                                                 apr_bucket_alloc_t *list)

{

    ap_bucket_headers *shdrs = source->data;

    apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);

    ap_bucket_headers *h;

    AP_DEBUG_ASSERT(AP_BUCKET_IS_HEADERS(source));

    APR_BUCKET_INIT(b);

    b->free = apr_bucket_free;

    b->list = list;

    h = apr_bucket_alloc(sizeof(*h), b->list);

    h->headers = apr_table_clone(p, shdrs->headers);

    b = apr_bucket_shared_make(b, h, 0, 0);

    b->type = &ap_bucket_type_headers;

    return b;

}