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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2019 Olaf Wintermann. 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.
 *
 * 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 HOLDER 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.
 */

#ifndef OPERATION_H
#define OPERATION_H

#include "../public/webdav.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef int(*response_close_func)(WebdavOperation *, WebdavResource *);
    
struct WebdavOperation {
    WebdavBackend          *dav;
    Request                *rq;
    Session                *sn;
    
    WebdavProppatchRequest *proppatch;    /* proppatch request or NULL */
    WebdavPList            *reqprops;     /* requested properties */
    UcxList                *requests;     /* backend specific request objects */
    
    WebdavResponse         *response;
    
    response_close_func    response_close;
    
    VFS_DIR                parent;        /* current directory */
    struct stat            *stat;         /* current stat object */
};

/*
 * counts the number of backends
 */
size_t webdav_num_backends(WebdavBackend *dav);

WebdavOperation* webdav_create_propfind_operation(
        Session *sn,
        Request *rq,
        WebdavBackend *dav,
        WebdavPList *reqprops,
        UcxList *requests,
        WebdavResponse *response);

int webdav_op_propfind_begin(
        WebdavOperation *op,
        const char *href,
        VFS_DIR parent,
        struct stat *s);

int webdav_op_propfind_children(
        WebdavOperation *op,
        VFSContext *vfs,
        const char *href,
        const char *path);

int webdav_op_propfiond_close_resource(
        WebdavOperation *op,
        WebdavResource *resource);

int webdav_op_propfind_finish(WebdavOperation *op);

WebdavOperation* webdav_create_proppatch_operation(
        Session *sn,
        Request *rq,
        WebdavBackend *dav,
        WebdavProppatchRequest *proppatch,
        WebdavResponse *response);

int webdav_op_proppatch(
        WebdavOperation *op,
        const char *href,
        const char *path);

int webdav_op_proppatch_close_resource(
        WebdavOperation *op,
        WebdavResource *resource);

#ifdef __cplusplus
}
#endif

#endif /* OPERATION_H */