//
// Header file for DROOTHistServer class
// (adopted from PrimEx roottools)
// 

#ifndef _DROOTHISTSERVER_H_
#define _DROOTHISTSERVER_H_

#include <pthread.h>

#include <TROOT.h>
#include <TDirectory.h>
#include <TH1.h>
#include <TH2.h>
#include <TH3.h>
#include <TFile.h>
#include <TKey.h>
#include <TSocket.h>
#include <TServerSocket.h>
#include <TMonitor.h>
#include <TList.h>
#include <TMessage.h>
#include <TObjString.h>

extern "C" void* RootServerMonitorThread(void* arg);
extern "C" void HistResetOnSIGHUP(int signum);

class DROOTHistServer{
	public:
	
		DROOTHistServer(int port, TDirectory *dir);
		~DROOTHistServer(void);
		
		void Lock(void){pthread_mutex_lock(&fMutex);}
		void Unlock(void){pthread_mutex_unlock(&fMutex);}
		void Done(void){fDone = true;}
		
		void HandleRequest(void);
		string ListDirectory(TDirectory *dir);
		void ResetHistograms(TDirectory *dir);
		
		void* MonitorThread(void);
	
	private:
		int 				fPort;
		TDirectory		*fDir;
		bool 				fDone;
		pthread_t		fThread_id;
		TSocket 			*fSock;
		TServerSocket	*fServ;      // server socket
		TMonitor			*fMon;       // socket monitor
		TList				*fSockets;   // list of open spy sockets
		pthread_mutex_t fMutex;

		int GetObjectSize(char *classname, TObject *object);

};

extern DROOTHistServer* groot_hist_server;

#endif //_DROOTHISTSERVER_H_