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// --------------------------------------------------------------------------
//
// File
// Name: Daemon.h
// Purpose: Basic daemon functionality
// Created: 2003/07/29
//
// --------------------------------------------------------------------------
/* NOTE: will log to local6: include a line like
local6.info /var/log/box
in /etc/syslog.conf
*/
#ifndef DAEMON__H
#define DAEMON__H
#include <string>
#include "BoxTime.h"
#include "Configuration.h"
class ConfigurationVerify;
// --------------------------------------------------------------------------
//
// Class
// Name: Daemon
// Purpose: Basic daemon functionality
// Created: 2003/07/29
//
// --------------------------------------------------------------------------
class Daemon
{
public:
Daemon();
virtual ~Daemon();
private:
Daemon(const Daemon &rToCopy);
public:
virtual int Main(const std::string& rDefaultConfigFile, int argc,
const char *argv[]);
virtual int ProcessOptions(int argc, const char *argv[]);
/* override this Main() if you want custom option processing: */
virtual int Main(const std::string &rConfigFile);
virtual void Run();
const Configuration &GetConfiguration() const;
const std::string &GetConfigFileName() const {return mConfigFileName;}
virtual const char *DaemonName() const;
virtual std::string DaemonBanner() const;
virtual const ConfigurationVerify *GetConfigVerify() const;
virtual void Usage();
virtual bool Configure(const std::string& rConfigFileName);
virtual bool Configure(const Configuration& rConfig);
bool StopRun() {return mReloadConfigWanted | mTerminateWanted;}
bool IsReloadConfigWanted() {return mReloadConfigWanted;}
bool IsTerminateWanted() {return mTerminateWanted;}
// To allow derived classes to get these signals in other ways
void SetReloadConfigWanted() {mReloadConfigWanted = true;}
void SetTerminateWanted() {mTerminateWanted = true;}
virtual void EnterChild();
static void SetProcessTitle(const char *format, ...);
void SetRunInForeground(bool foreground)
{
mRunInForeground = foreground;
}
void SetSingleProcess(bool value)
{
mSingleProcess = value;
}
protected:
virtual void SetupInInitialProcess();
box_time_t GetLoadedConfigModifiedTime() const;
bool IsSingleProcess() { return mSingleProcess; }
virtual std::string GetOptionString();
virtual int ProcessOption(signed int option);
private:
static void SignalHandler(int sigraised);
box_time_t GetConfigFileModifiedTime() const;
std::string mConfigFileName;
std::auto_ptr<Configuration> mapConfiguration;
box_time_t mLoadedConfigModifiedTime;
bool mReloadConfigWanted;
bool mTerminateWanted;
bool mSingleProcess;
bool mRunInForeground;
bool mKeepConsoleOpenAfterFork;
bool mHaveConfigFile;
int mLogLevel; // need an int to do math with
std::string mLogFile;
Log::Level mLogFileLevel;
std::auto_ptr<FileLogger> mapLogFileLogger;
static Daemon *spDaemon;
std::string mAppName;
};
#define DAEMON_VERIFY_SERVER_KEYS \
ConfigurationVerifyKey("PidFile", ConfigTest_Exists), \
ConfigurationVerifyKey("LogFacility", 0), \
ConfigurationVerifyKey("User", ConfigTest_LastEntry)
#endif // DAEMON__H
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