dav/db.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2018 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 DB_H
#define	DB_H

#include <inttypes.h>
#include <libidav/webdav.h>
#include <cx/hash_map.h>
#include <cx/linked_list.h>
#include <cx/buffer.h>
#include <time.h>

#include <libxml/xmlreader.h>

#include "finfo.h"

#ifdef	__cplusplus
extern "C" {
#endif

#define DB_STORE_MODE  1
#define DB_STORE_OWNER 2
    
typedef struct LocalResource LocalResource;
typedef struct FilePart      FilePart;
typedef struct SyncDatabase  SyncDatabase;

struct LocalResource {
    char    *name;
    char    *path;
    char    *etag;
    char    *hash;
    time_t  last_modified;
    mode_t  mode;
    uid_t   uid;
    gid_t   gid;
    off_t   size;
    DavBool isdirectory;
    DavBool skipped;
    CxBuffer *cached_tags;
    XAttributes *xattr;
    char *tags_hash;
    char *xattr_hash;
    char *remote_tags_hash;
    
    char *local_path;
    
    char *link_target;
    char *link_target_db;
    
    FilePart *parts;
    size_t numparts;
    
    int64_t blocksize;
    
    DavBool tags_updated;
    DavBool finfo_updated;
    DavBool xattr_updated;
    DavBool metadata_updated;
    DavBool link_updated;
    
    DavBool keep;
    DavBool restore;
    
    DavBool versioncontrol;
    
    DavBool isnew;
    LocalResource *origin;
    char *conflict_source;
    
    char *prev_hash;
};

struct FilePart {
    uint64_t block;
    char     *hash;
    char     *etag;
};

struct SyncDatabase {
    CxMap *resources;
    CxMap *conflict;
};

SyncDatabase* load_db(char *name);
int store_db(SyncDatabase *db, char *name, uint32_t settings);
void destroy_db(SyncDatabase *db);

void local_resource_free(LocalResource *res);

void local_resource_copy_parts(LocalResource *from, LocalResource *to);

LocalResource* local_resource_copy(LocalResource *src, const char *new_path);

void filepart_free(FilePart *part);

CxMap* create_hash_index(SyncDatabase *db);

LocalResource* process_resource(xmlTextReaderPtr reader);
LocalResource* process_conflict(xmlTextReaderPtr reader);


#ifdef	__cplusplus
}
#endif

#endif	/* DB_H */