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/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef S3FS_S3FS_UTIL_H_
#define S3FS_S3FS_UTIL_H_
//-------------------------------------------------------------------
// Typedef
//-------------------------------------------------------------------
//
// Struct
//
struct s3obj_entry{
std::string normalname; // normalized name: if empty, object is normalized name.
std::string orgname; // original name: if empty, object is original name.
std::string etag;
bool is_dir;
s3obj_entry() : is_dir(false) {}
};
typedef std::map<std::string, struct s3obj_entry> s3obj_t;
typedef std::list<std::string> s3obj_list_t;
//
// Class
//
class S3ObjList
{
private:
s3obj_t objects;
private:
bool insert_normalized(const char* name, const char* normalized, bool is_dir);
const s3obj_entry* GetS3Obj(const char* name) const;
s3obj_t::const_iterator begin(void) const {
return objects.begin();
}
s3obj_t::const_iterator end(void) const {
return objects.end();
}
public:
S3ObjList() {}
~S3ObjList() {}
bool IsEmpty(void) const {
return objects.empty();
}
bool insert(const char* name, const char* etag = NULL, bool is_dir = false);
std::string GetOrgName(const char* name) const;
std::string GetNormalizedName(const char* name) const;
std::string GetETag(const char* name) const;
bool IsDir(const char* name) const;
bool GetNameList(s3obj_list_t& list, bool OnlyNormalized = true, bool CutSlash = true) const;
bool GetLastName(std::string& lastname) const;
static bool MakeHierarchizedList(s3obj_list_t& list, bool haveSlash);
};
typedef struct mvnode {
char *old_path;
char *new_path;
bool is_dir;
bool is_normdir;
struct mvnode *prev;
struct mvnode *next;
} MVNODE;
class AutoLock
{
public:
enum Type {
NO_WAIT = 1,
ALREADY_LOCKED = 2,
NONE = 0
};
explicit AutoLock(pthread_mutex_t* pmutex, Type type = NONE);
bool isLockAcquired() const;
~AutoLock();
private:
pthread_mutex_t* const auto_mutex;
bool is_lock_acquired;
};
//-------------------------------------------------------------------
// Functions
//-------------------------------------------------------------------
std::string get_realpath(const char *path);
MVNODE *create_mvnode(const char *old_path, const char *new_path, bool is_dir, bool normdir = false);
MVNODE *add_mvnode(MVNODE** head, MVNODE** tail, const char *old_path, const char *new_path, bool is_dir, bool normdir = false);
void free_mvnodes(MVNODE *head);
void init_sysconf_vars();
std::string get_username(uid_t uid);
int is_uid_include_group(uid_t uid, gid_t gid);
std::string mydirname(const char* path);
std::string mydirname(const std::string& path);
std::string mybasename(const char* path);
std::string mybasename(const std::string& path);
int mkdirp(const std::string& path, mode_t mode);
std::string get_exist_directory_path(const std::string& path);
bool check_exist_dir_permission(const char* dirpath);
bool delete_files_in_dir(const char* dir, bool is_remove_own);
time_t get_mtime(const char *s);
time_t get_mtime(headers_t& meta, bool overcheck = true);
time_t get_ctime(headers_t& meta, bool overcheck = true);
off_t get_size(const char *s);
off_t get_size(headers_t& meta);
mode_t get_mode(const char *s);
mode_t get_mode(headers_t& meta, const char* path = NULL, bool checkdir = false, bool forcedir = false);
uid_t get_uid(const char *s);
uid_t get_uid(headers_t& meta);
gid_t get_gid(const char *s);
gid_t get_gid(headers_t& meta);
blkcnt_t get_blocks(off_t size);
time_t cvtIAMExpireStringToTime(const char* s);
time_t get_lastmodified(const char* s);
time_t get_lastmodified(headers_t& meta);
bool is_need_check_obj_detail(headers_t& meta);
bool simple_parse_xml(const char* data, size_t len, const char* key, std::string& value);
void show_usage(void);
void show_help(void);
void show_version(void);
#endif // S3FS_S3FS_UTIL_H_
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
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