icinga2/lib/base/utility.hpp

142 lines
4.5 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
* *
* 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. *
******************************************************************************/
#ifndef UTILITY_H
#define UTILITY_H
#include "base/i2-base.hpp"
#include "base/string.hpp"
#include "base/array.hpp"
#include <typeinfo>
#include <boost/function.hpp>
#include <boost/thread/tss.hpp>
#include <vector>
#include "base/threadpool.hpp"
namespace icinga
{
#ifdef _WIN32
#define MS_VC_EXCEPTION 0x406D1388
# pragma pack(push, 8)
struct THREADNAME_INFO
{
DWORD dwType;
LPCSTR szName;
DWORD dwThreadID;
DWORD dwFlags;
};
# pragma pack(pop)
#endif
enum GlobType
{
GlobFile = 1,
GlobDirectory = 2
};
/**
* Helper functions.
*
* @ingroup base
*/
class I2_BASE_API Utility
{
public:
static String DemangleSymbolName(const String& sym);
static String GetTypeName(const std::type_info& ti);
static String GetSymbolName(const void *addr);
static bool Match(const String& pattern, const String& text);
static String DirName(const String& path);
static String BaseName(const String& path);
static void NullDeleter(void *);
static double GetTime(void);
static pid_t GetPid(void);
static void Sleep(double timeout);
static String NewUniqueID(void);
static bool Glob(const String& pathSpec, const boost::function<void (const String&)>& callback, int type = GlobFile | GlobDirectory);
static bool GlobRecursive(const String& path, const String& pattern, const boost::function<void (const String&)>& callback, int type = GlobFile | GlobDirectory);
static bool MkDir(const String& path, int flags);
static bool MkDirP(const String& path, int flags);
static bool SetFileOwnership(const String& file, const String& user, const String& group);
static void QueueAsyncCallback(const boost::function<void (void)>& callback, SchedulerPolicy policy = DefaultScheduler);
static String NaturalJoin(const std::vector<String>& tokens);
static String Join(const Array::Ptr& tokens, char separator);
static String FormatDuration(double duration);
static String FormatDateTime(const char *format, double ts);
static String FormatErrorNumber(int code);
#ifndef _WIN32
static void SetNonBlocking(int fd);
static void SetCloExec(int fd);
#endif /* _WIN32 */
static void SetNonBlockingSocket(SOCKET s);
static String EscapeShellCmd(const String& s);
static String EscapeShellArg(const String& s);
static String EscapeString(const String& s, const String& chars);
static String UnescapeString(const String& s);
static void SetThreadName(const String& name, bool os = true);
static String GetThreadName(void);
static unsigned long SDBM(const String& str, size_t len = String::NPos);
static int CompareVersion(const String& v1, const String& v2);
static int Random(void);
static String GetHostName(void);
static String GetFQDN(void);
static tm LocalTime(time_t ts);
static bool PathExists(const String& path);
static void CopyFile(const String& source, const String& target);
static Value LoadJsonFile(const String& path);
static void SaveJsonFile(const String& path, const Value& value);
private:
Utility(void);
static boost::thread_specific_ptr<String> m_ThreadName;
static boost::thread_specific_ptr<unsigned int> m_RandSeed;
};
}
#endif /* UTILITY_H */