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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
 *
 * THE BSD LICENSE
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer. 
 * 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. 
 *
 * Neither the name of the  nor the names of its contributors may be
 * used to endorse or promote products derived from this software without 
 * specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS 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 COPYRIGHT OWNER 
 * OR 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.
 */

// Open Web Server frame/req.cpp

#include "req.h"

#include "../util/pblock.h"

/* ---------------------------- request_depth ----------------------------- */

static inline void request_depth(Request *rq, int *prestarted, int *pinternal)
{
    // Calculate the depth of the rq->orig_rq linked list
    while (rq->orig_rq != rq) {
        if (rq->rq_attr.req_restarted)
            (*prestarted)++;
        if (rq->rq_attr.internal_req)
            (*pinternal)++;
        rq = rq->orig_rq;
    }
}

/* ------------------------- request_get_base_uri ------------------------- */

NSAPI_PUBLIC void request_get_base_uri(Request *rq, const char **pbase,
                                       int *plen)
{
    // URI                 Base URI
    // ------------------- ---------
    // /index.html         /
    // /foo/bar/           /foo/bar/
    // /foo/bar/index.html /foo/bar/
    // /cgi-bin/foo.pl/bar /cgi-bin/

    if (rq) {
        const char *uri = pblock_findkeyval(pb_key_uri, rq->reqpb);
        if (uri) {
            int len = strlen(uri);
            const char *path_info = pblock_findkeyval(pb_key_path_info, rq->vars);
            if (path_info) {
                int suffixlen = strlen(path_info);
                if (len > suffixlen)
                    len -= suffixlen;
            }

            do { len--; } while (len > 0 && uri[len] != '/');

            if (len > 0) {
                *pbase = uri;
                *plen = len + 1;
                return;
            }
        }
    }

    *pbase = "/";
    *plen = 1;
}

/* ------------------------- request_is_internal -------------------------- */

NSAPI_PUBLIC int request_is_internal(Request *rq)
{
    return (rq->rq_attr.internal_req == 1);
}


/* ------------------------- request_is_restarted ------------------------- */

NSAPI_PUBLIC PRBool request_is_restarted(Request *rq)
{
    return (rq->rq_attr.req_restarted == 1);
}


/* --------------------- request_is_default_type_set ---------------------- */

NSAPI_PUBLIC PRBool request_is_default_type_set(const Request *rq) 
{
    return (rq->rq_attr.default_type_set == 1);
}


/* ----------------------- request_has_default_type ----------------------- */

NSAPI_PUBLIC void request_has_default_type(Request *rq) 
{
    rq->rq_attr.default_type_set = 1;
}