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/* Copyright (c) 2010 PrimeBase Technologies GmbH, Germany
*
* PrimeBase Media Stream for MySQL
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Barry Leslie
*
* 2010-02-05
*
* CORE SYSTEM:
* Basic system specific file I/O classes.
* The classes in this header are defined in CSSys_unix.cc and CSSys_win.cc
*
*/
#pragma once
#ifndef __CSSYSFILE_H__
#define __CSSYSFILE_H__
#ifdef OS_WINDOWS
#define INVALID_DIR_HANDLE (INVALID_HANDLE_VALUE)
#define INVALID_FILE_HANDLE (INVALID_HANDLE_VALUE)
#else
#include <dirent.h>
#define INVALID_DIR_HANDLE (NULL)
#define INVALID_FILE_HANDLE (-1)
#endif
#include "CSString.h"
#include "CSException.h"
#include "CSTime.h"
class CSSysDir {
public:
CSSysDir():
sd_path(NULL),
sd_filter(NULL),
sd_dir(INVALID_DIR_HANDLE){}
~CSSysDir();
void open();
void close();
bool next();
bool nextVisable();
bool entryIsFile();
const char *entryName();
void getEntryPath(char *path, size_t size);
CSString *sd_path;
const char *getPath() { return sd_path->getCString();}
private:
CSStringBuffer *sd_filter;
#ifdef OS_WINDOWS
WIN32_FIND_DATAA sd_entry;
HANDLE sd_dir;
#else
struct dirent sd_entry;
DIR *sd_dir;
#endif
};
class CSSysFile {
public:
static bool isDirNotFound(CSException *e);
static bool isFileNotFound(CSException *e);
static bool isDirExists(CSException *e);
CSSysFile(): sf_path(NULL), sf_fh(INVALID_FILE_HANDLE){}
~CSSysFile(){ sf_close();}
bool fs_isOpen() { return ( sf_fh != INVALID_FILE_HANDLE);}
void sf_open(const char *path, bool readonly, bool create);
void sf_close();
size_t sf_pread(void *data, size_t size, off64_t offset);
void sf_pwrite(const void *data, size_t size, off64_t offset);
off64_t sf_getEOF();
void sf_setEOF(off64_t offset);
void sf_sync();
void sf_lock(bool shared);
void sf_unlock();
private:
CSString *sf_path;
#ifdef OS_WINDOWS
HANDLE sf_fh;
#else
int sf_fh;
#endif
};
class CSSys {
public:
static bool sys_exists(const char *path);
static void sys_makeDir(const char *path);
static void sys_removeDir(const char *path);
static void sys_removeFile(const char *path);
static void sys_rename(const char *old_path, const char *new_path);
static void sys_stat(const char *path, bool *is_dir, off64_t *size, CSTime *mod_time);
static bool sys_isLink(const char *path);
static void sys_getcwd(char *path, size_t size);
static void sys_setcwd(const char *path);
static uint32_t sys_getpid();
static bool sys_isAlive(uint32_t pid);
};
#endif
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