/***************************************************************************
*   Copyright (C) 2001-2008 by Jozef Starosczyk                           *
*   ixen@copyhandler.com                                                  *
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU Library General Public License          *
*   (version 2) as published by the Free Software Foundation;             *
*                                                                         *
*   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 Library General Public     *
*   License along with this program; if not, write to the                 *
*   Free Software Foundation, Inc.,                                       *
*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
***************************************************************************/
#include "Stdafx.h"
#include "task.h"
#include "StringHelpers.h"
#include "../common/FileSupport.h"
#include "ch.h"
#include "FeedbackHandler.h"
#include <boost/serialization/serialization.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
#include <boost/make_shared.hpp>
#include <fstream>

// assume max sectors of 4kB (for rounding)
#define MAXSECTORSIZE			4096

///////////////////////////////////////////////////////////////////////
// CProcessingException

CProcessingException::CProcessingException(int iType, UINT uiFmtID, DWORD dwError, ...)
{
	// std values
	m_iType=iType;
	m_dwError=dwError;

	// format some text
	CString strFormat = GetResManager().LoadString(uiFmtID);
	ExpandFormatString(&strFormat, dwError);

	// get param list
	va_list marker;
	va_start(marker, dwError);
	m_strErrorDesc.FormatV(strFormat, marker);
	va_end(marker);
}

CProcessingException::CProcessingException(int iType, DWORD dwError, const tchar_t* pszDesc)
{
	// std values
	m_iType=iType;
	m_dwError=dwError;

	// format some text
	m_strErrorDesc = pszDesc;
}

////////////////////////////////////////////////////////////////////////////////
// TTasksGlobalStats members

TTasksGlobalStats::TTasksGlobalStats() :
m_ullGlobalTotalSize(0),
m_ullGlobalProcessedSize(0),
m_stRunningTasks(0)
{
}

TTasksGlobalStats::~TTasksGlobalStats()
{
}

void TTasksGlobalStats::IncreaseGlobalTotalSize(unsigned long long ullModify)
{
	m_lock.lock();
	m_ullGlobalTotalSize += ullModify;
	m_lock.unlock();
}

void TTasksGlobalStats::DecreaseGlobalTotalSize(unsigned long long ullModify)
{
	m_lock.lock();
	m_ullGlobalTotalSize -= ullModify;
	m_lock.unlock();
}

unsigned long long TTasksGlobalStats::GetGlobalTotalSize() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_ullGlobalTotalSize;
}

void TTasksGlobalStats::IncreaseGlobalProcessedSize(unsigned long long ullModify)
{
	m_lock.lock();
	m_ullGlobalProcessedSize += ullModify;
	m_lock.unlock();
}

void TTasksGlobalStats::DecreaseGlobalProcessedSize(unsigned long long ullModify)
{
	m_lock.lock();
	m_ullGlobalProcessedSize -= ullModify;
	m_lock.unlock();
}

unsigned long long TTasksGlobalStats::GetGlobalProcessedSize() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_ullGlobalProcessedSize;
}

void TTasksGlobalStats::IncreaseGlobalProgressData(unsigned long long ullTasksPosition, unsigned long long ullTasksSize)
{
	m_lock.lock();
	m_ullGlobalTotalSize += ullTasksSize;
	m_ullGlobalProcessedSize += ullTasksPosition;
	m_lock.unlock();

}

void TTasksGlobalStats::DecreaseGlobalProgressData(unsigned long long ullTasksPosition, unsigned long long ullTasksSize)
{
	m_lock.lock();
	m_ullGlobalTotalSize -= ullTasksSize;
	m_ullGlobalProcessedSize -= ullTasksPosition;
	m_lock.unlock();
}

int TTasksGlobalStats::GetProgressPercents() const
{
	unsigned long long llPercent = 0;

	boost::shared_lock<boost::shared_mutex> lock(m_lock);

	if(m_ullGlobalTotalSize != 0)
		llPercent = m_ullGlobalProcessedSize * 100 / m_ullGlobalTotalSize;

	return boost::numeric_cast<int>(llPercent);
}

void TTasksGlobalStats::IncreaseRunningTasks()
{
	m_lock.lock();
	++m_stRunningTasks;
	m_lock.unlock();
}

void TTasksGlobalStats::DecreaseRunningTasks()
{
	m_lock.lock();
	--m_stRunningTasks;
	m_lock.unlock();
}

size_t TTasksGlobalStats::GetRunningTasksCount() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_stRunningTasks;
}

////////////////////////////////////////////////////////////////////////////////
// TTasksGlobalStats members
TTaskLocalStats::TTaskLocalStats() :
	m_prtGlobalStats(NULL),
	m_ullProcessedSize(0),
	m_ullTotalSize(0),
	m_bTaskIsRunning(false),
	m_timeElapsed(0),
	m_timeLast(-1)
{
}

TTaskLocalStats::~TTaskLocalStats()
{
	DisconnectGlobalStats();
}

void TTaskLocalStats::ConnectGlobalStats(TTasksGlobalStats& rtGlobalStats)
{
	DisconnectGlobalStats();

	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	m_prtGlobalStats = &rtGlobalStats;
	m_prtGlobalStats->IncreaseGlobalProgressData(m_ullProcessedSize, m_ullTotalSize);
	if(m_bTaskIsRunning)
		m_prtGlobalStats->IncreaseRunningTasks();
}

void TTaskLocalStats::DisconnectGlobalStats()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	if(m_prtGlobalStats)
	{
		m_prtGlobalStats->DecreaseGlobalProgressData(m_ullProcessedSize, m_ullTotalSize);
		m_prtGlobalStats = NULL;
		if(m_bTaskIsRunning)
			m_prtGlobalStats->DecreaseRunningTasks();
	}
}

void TTaskLocalStats::IncreaseProcessedSize(unsigned long long ullAdd)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(m_prtGlobalStats)
		m_prtGlobalStats->IncreaseGlobalProcessedSize(ullAdd);

	m_ullProcessedSize += ullAdd;
}

void TTaskLocalStats::DecreaseProcessedSize(unsigned long long ullSub)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	if(m_prtGlobalStats)
		m_prtGlobalStats->DecreaseGlobalProcessedSize(ullSub);

	m_ullProcessedSize -= ullSub;
}

void TTaskLocalStats::SetProcessedSize(unsigned long long ullSet)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(m_prtGlobalStats)
	{
		if(ullSet < m_ullProcessedSize)
			m_prtGlobalStats->DecreaseGlobalProcessedSize(m_ullProcessedSize - ullSet);
		else
			m_prtGlobalStats->IncreaseGlobalProcessedSize(ullSet - m_ullProcessedSize);
	}

	m_ullProcessedSize = ullSet;
}

unsigned long long TTaskLocalStats::GetProcessedSize() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_ullProcessedSize;
}

unsigned long long TTaskLocalStats::GetUnProcessedSize() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_ullTotalSize - m_ullProcessedSize;
}

void TTaskLocalStats::IncreaseTotalSize(unsigned long long ullAdd)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(m_prtGlobalStats)
		m_prtGlobalStats->IncreaseGlobalTotalSize(ullAdd);
	m_ullTotalSize += ullAdd;
}

void TTaskLocalStats::DecreaseTotalSize(unsigned long long ullSub)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(m_prtGlobalStats)
		m_prtGlobalStats->DecreaseGlobalTotalSize(ullSub);

	m_ullTotalSize -= ullSub;
}

void TTaskLocalStats::SetTotalSize(unsigned long long ullSet)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(m_prtGlobalStats)
	{
		if(ullSet < m_ullTotalSize)
			m_prtGlobalStats->DecreaseGlobalTotalSize(m_ullTotalSize - ullSet);
		else
			m_prtGlobalStats->IncreaseGlobalTotalSize(ullSet - m_ullTotalSize);
	}

	m_ullTotalSize = ullSet;
}

unsigned long long TTaskLocalStats::GetTotalSize() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_ullTotalSize;
}

int TTaskLocalStats::GetProgressInPercent() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);

	unsigned long long ullPercent = 0;

	if(m_ullTotalSize != 0)
		ullPercent = m_ullProcessedSize * 100 / m_ullTotalSize;

	return boost::numeric_cast<int>(ullPercent);
}

void TTaskLocalStats::MarkTaskAsRunning()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	if(!m_bTaskIsRunning)
	{
		if(m_prtGlobalStats)
			m_prtGlobalStats->IncreaseRunningTasks();
		m_bTaskIsRunning = true;
	}
}

void TTaskLocalStats::MarkTaskAsNotRunning()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	if(m_bTaskIsRunning)
	{
		if(m_prtGlobalStats)
			m_prtGlobalStats->DecreaseRunningTasks();
		m_bTaskIsRunning = false;
	}
}

bool TTaskLocalStats::IsRunning() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_bTaskIsRunning;
}

void TTaskLocalStats::SetTimeElapsed(time_t timeElapsed)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_timeElapsed = timeElapsed;
}

time_t TTaskLocalStats::GetTimeElapsed()
{
	UpdateTime();

	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_timeElapsed;
}

void TTaskLocalStats::EnableTimeTracking()
{
	boost::upgrade_lock<boost::shared_mutex> lock(m_lock);
	if(m_timeLast == -1)
	{
		boost::upgrade_to_unique_lock<boost::shared_mutex> lock_upgraded(lock);
		m_timeLast = time(NULL);
	}
}

void TTaskLocalStats::DisableTimeTracking()
{
	UpdateTime();

	boost::upgrade_lock<boost::shared_mutex> lock(m_lock);
	if(m_timeLast != -1)
	{
		boost::upgrade_to_unique_lock<boost::shared_mutex> lock_upgraded(lock);
		m_timeLast = -1;
	}
}

void TTaskLocalStats::UpdateTime()
{
	boost::upgrade_lock<boost::shared_mutex> lock(m_lock);
	if(m_timeLast != -1)
	{
		time_t timeCurrent = time(NULL);

		boost::upgrade_to_unique_lock<boost::shared_mutex> lock_upgraded(lock);
		m_timeElapsed += timeCurrent - m_timeLast;
		m_timeLast = timeCurrent;
	}
}

////////////////////////////////////////////////////////////////////////////
// CTask members
CTask::CTask(chcore::IFeedbackHandler* piFeedbackHandler, size_t stSessionUniqueID) :
	m_log(),
	m_piFeedbackHandler(piFeedbackHandler),
	m_files(m_clipboard),
	m_stCurrentIndex(0),
	m_nStatus(ST_NULL_STATUS),
	m_nPriority(THREAD_PRIORITY_NORMAL),
	m_bForce(false),
	m_bContinue(false),
	m_bSaved(false),
	m_stSessionUniqueID(stSessionUniqueID),
	m_localStats()
{
	BOOST_ASSERT(piFeedbackHandler);

	m_bsSizes.m_uiDefaultSize=65536;
	m_bsSizes.m_uiOneDiskSize=4194304;
	m_bsSizes.m_uiTwoDisksSize=262144;
	m_bsSizes.m_uiCDSize=262144;
	m_bsSizes.m_uiLANSize=65536;

	_itot((int)time(NULL), m_strUniqueName.GetBufferSetLength(16), 10);
	m_strUniqueName.ReleaseBuffer();
	}

	CTask::~CTask()
	{
		KillThread();
		if(m_piFeedbackHandler)
			m_piFeedbackHandler->Delete();
	}

	void CTask::OnRegisterTask(TTasksGlobalStats& rtGlobalStats)
	{
		m_localStats.ConnectGlobalStats(rtGlobalStats);
	}

	void CTask::OnUnregisterTask()
	{
		m_localStats.DisconnectGlobalStats();
	}

	// m_clipboard
	void CTask::AddClipboardData(const CClipboardEntryPtr& spEntry)
	{
		m_clipboard.Add(spEntry);
	}

	CClipboardEntryPtr CTask::GetClipboardData(size_t stIndex)
	{
		return m_clipboard.GetAt(stIndex);
	}

	size_t CTask::GetClipboardDataSize()
	{
		return m_clipboard.GetSize();
	}

	int CTask::ReplaceClipboardStrings(CString strOld, CString strNew)
{
	return m_clipboard.ReplacePathsPrefix(strOld, strNew);
}

// m_files
int CTask::FilesAddDir(CString strDirName, size_t stSrcIndex, bool bRecurse, bool bIncludeDirs)
{
	WIN32_FIND_DATA wfd;
	CString strText;

	// append '\\' at the end of path if needed
	if(strDirName.Right(1) != _T("\\"))
		strDirName += _T("\\");

	strText = strDirName + _T("*");

	// Iterate through dirs & files
	HANDLE hFind = FindFirstFile(strText, &wfd);
	if(hFind != INVALID_HANDLE_VALUE)
	{
		do
		{
			if(!(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
			{
				CFileInfoPtr spFileInfo(boost::make_shared<CFileInfo>());
				spFileInfo->SetClipboard(&m_clipboard);	// this is the link table (CClipboardArray)
				
				spFileInfo->Create(&wfd, strDirName, stSrcIndex);
				if(m_afFilters.Match(spFileInfo))
					m_files.AddFileInfo(spFileInfo);
			}
			else if(wfd.cFileName[0] != _T('.') || (wfd.cFileName[1] != _T('\0') && (wfd.cFileName[1] != _T('.') || wfd.cFileName[2] != _T('\0'))))
			{
				if(bIncludeDirs)
				{
					CFileInfoPtr spFileInfo(boost::make_shared<CFileInfo>());
					spFileInfo->SetClipboard(&m_clipboard);	// this is the link table (CClipboardArray)

					// Add directory itself
					spFileInfo->Create(&wfd, strDirName, stSrcIndex);
					m_files.AddFileInfo(spFileInfo);
				}
				if(bRecurse)
				{
					strText = strDirName + wfd.cFileName + _T("\\");
					// Recurse Dirs
					FilesAddDir(strText, stSrcIndex, bRecurse, bIncludeDirs);
				}
			}

			if(m_workerThread.KillRequested())
				break;
		}
		while(FindNextFile(hFind, &wfd));
		
		FindClose(hFind);
	}

	return 0;
}

void CTask::FilesAdd(const CFileInfoPtr& spFileInfo)
{
	if(spFileInfo->IsDirectory() || m_afFilters.Match(spFileInfo))
		m_files.AddFileInfo(spFileInfo);
}

CFileInfoPtr CTask::FilesGetAt(size_t stIndex)
{
	return m_files.GetAt(stIndex);
}

CFileInfoPtr CTask::FilesGetAtCurrentIndex()
{
	size_t stCurrentIndex = 0;

	m_lock.lock_shared();
	stCurrentIndex = m_stCurrentIndex;
	m_lock.unlock_shared();

	return m_files.GetAt(m_stCurrentIndex);
}

void CTask::FilesRemoveAll()
{
	m_files.Clear();
}

size_t CTask::FilesGetSize()
{
	return m_files.GetSize();
}

// m_stCurrentIndex
void CTask::IncreaseCurrentIndex()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	++m_stCurrentIndex;
}

size_t CTask::GetCurrentIndex()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_stCurrentIndex;
}

void CTask::SetCurrentIndex(size_t stIndex)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_stCurrentIndex = stIndex;
}

// m_strDestPath - adds '\\'
void CTask::SetDestPath(LPCTSTR lpszPath)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_dpDestPath.SetPath(lpszPath);
}

// guaranteed '\\'
const CDestPath& CTask::GetDestPath()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_dpDestPath;
}

int CTask::GetDestDriveNumber()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_dpDestPath.GetDriveNumber();
}

// m_nStatus
void CTask::SetStatus(UINT nStatus, UINT nMask)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_nStatus &= ~nMask;
	m_nStatus |= nStatus;
}

UINT CTask::GetStatus(UINT nMask)
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_nStatus & nMask;
}

// m_nBufferSize
void CTask::SetBufferSizes(const BUFFERSIZES* bsSizes)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_bsSizes=*bsSizes;
	m_bSaved=false;
}

const BUFFERSIZES* CTask::GetBufferSizes()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return &m_bsSizes;
}

int CTask::GetCurrentBufferIndex()
{
	int rv = 0;

	boost::shared_lock<boost::shared_mutex> lock(m_lock);

	size_t stSize = m_files.GetSize();
	if(stSize > 0 && m_stCurrentIndex != std::numeric_limits<size_t>::max())
		rv = m_bsSizes.m_bOnlyDefault ? 0 : m_files.GetAt((m_stCurrentIndex < stSize) ? m_stCurrentIndex : 0)->GetBufferIndex(m_dpDestPath);

	return rv;
}

// m_pThread
// m_nPriority
int CTask::GetPriority()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);

	return m_nPriority;
}

void CTask::SetPriority(int nPriority)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	SetPriorityNL(nPriority);
}

void CTask::CalculateTotalSize()
{
	unsigned long long ullTotalSize = 0;

	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	size_t nSize = m_files.GetSize();
	for(size_t i = 0; i < nSize; i++)
	{
		ullTotalSize += m_files.GetAt(i)->GetLength64();
	}

	m_localStats.SetTotalSize(ullTotalSize);
}

void CTask::CalculateProcessedSize()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	CalculateProcessedSizeNL();
}

void CTask::CalculateProcessedSizeNL()
{
	m_localStats.SetProcessedSize(m_files.CalculatePartialSize(m_stCurrentIndex));
}

// m_strUniqueName

CString CTask::GetUniqueName()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_strUniqueName;
}

void CTask::Load(const CString& strPath, bool bData)
{
	std::ifstream ifs(strPath, ios_base::in | ios_base::binary);
	boost::archive::binary_iarchive ar(ifs);

	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	if(bData)
	{
		m_clipboard.Load(ar, 0, bData);

		m_files.Load(ar, 0, false);

		CalculateTotalSizeNL();

		ar >> m_dpDestPath;

		ar >> m_strUniqueName;
		ar >> m_afFilters;
	}
	else
	{
		size_t stData = 0;
		UINT uiData = 0;

		ar >> stData;
		m_stCurrentIndex = stData;

		CalculateProcessedSizeNL();

		ar >> uiData;
		m_nStatus = uiData;

		ar >> m_bsSizes;
		ar >> m_nPriority;

		time_t timeElapsed = 0;
		ar >> timeElapsed;
		m_localStats.SetTimeElapsed(timeElapsed);

		m_clipboard.Load(ar, 0, bData);
		m_files.Load(ar, 0, true);

		ar >> m_bSaved;
	}
}

void CTask::Store(bool bData)
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_ASSERT(!m_strTaskBasePath.empty());
	if(m_strTaskBasePath.empty())
		THROW(_t("Missing task path."), 0, 0, 0);

	if(!bData && m_bSaved)
		return;

	if(!bData && !m_bSaved && ( (m_nStatus & ST_STEP_MASK) == ST_FINISHED || (m_nStatus & ST_STEP_MASK) == ST_CANCELLED
		|| (m_nStatus & ST_WORKING_MASK) == ST_PAUSED ))
	{
		m_bSaved = true;
	}

	CString strPath = m_strTaskBasePath.c_str() + GetUniqueNameNL() + (bData ? _T(".atd") : _T(".atp"));

	std::ofstream ofs(strPath, ios_base::out | ios_base::binary);
	boost::archive::binary_oarchive ar(ofs);

	if(bData)
	{
		m_clipboard.Store(ar, 0, bData);

		if(GetStatusNL(ST_STEP_MASK) > ST_SEARCHING)
			m_files.Store(ar, 0, false);
		else
		{
			size_t st(0);
			ar << st;
		}

		ar << m_dpDestPath;
		ar << m_strUniqueName;
		ar << m_afFilters;
	}
	else
	{
		size_t stCurrentIndex = m_stCurrentIndex;
		ar << stCurrentIndex;
		UINT uiStatus = (m_nStatus & ST_WRITE_MASK);
		ar << uiStatus;

		ar << m_bsSizes;
		ar << m_nPriority;

		time_t timeElapsed = m_localStats.GetTimeElapsed();
		ar << timeElapsed;

		m_clipboard.Store(ar, 0, bData);
		if(GetStatusNL(ST_STEP_MASK) > ST_SEARCHING)
			m_files.Store(ar, 0, true);
		else
		{
			size_t st(0);
			ar << st;
		}
		ar << m_bSaved;
	}
}

void CTask::KillThread()
{
	m_workerThread.StopThread();
}

void CTask::BeginProcessing()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	m_bSaved = false;		// save

	m_workerThread.StartThread(DelegateThreadProc, this, m_nPriority);
}

void CTask::ResumeProcessing()
{
	// the same as retry but less demanding
	if( (GetStatus(ST_WORKING_MASK) & ST_PAUSED) && GetStatus(ST_STEP_MASK) != ST_FINISHED
		&& GetStatus(ST_STEP_MASK) != ST_CANCELLED)
	{
		SetStatus(0, ST_ERROR);
		BeginProcessing();
	}
}

bool CTask::RetryProcessing()
{
	// retry used to auto-resume, after loading
	if(GetStatus(ST_WORKING_MASK) != ST_PAUSED && GetStatus(ST_STEP_MASK) != ST_FINISHED && GetStatus(ST_STEP_MASK) != ST_CANCELLED)
	{
		SetStatus(0, ST_ERROR);
		BeginProcessing();
		return true;
	}
	return false;
}

void CTask::RestartProcessing()
{
	KillThread();
	SetStatus(0, ST_ERROR);
	SetStatus(ST_NULL_STATUS, ST_STEP_MASK);
	m_localStats.SetTimeElapsed(0);
	SetCurrentIndex(0);
	BeginProcessing();
}

void CTask::PauseProcessing()
{
	if(GetStatus(ST_STEP_MASK) != ST_FINISHED && GetStatus(ST_STEP_MASK) != ST_CANCELLED)
	{
		KillThread();
		SetStatus(ST_PAUSED, ST_WORKING_MASK);
		m_bSaved=false;
	}
}

void CTask::CancelProcessing()
{
	// change to ST_CANCELLED
	if(GetStatus(ST_STEP_MASK) != ST_FINISHED)
	{
		KillThread();
		SetStatus(ST_CANCELLED, ST_STEP_MASK);
		SetStatus(0, ST_ERROR);
		m_bSaved=false;
	}
}

void CTask::GetMiniSnapshot(TASK_MINI_DISPLAY_DATA *pData)
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	if(m_stCurrentIndex >= 0 && m_stCurrentIndex < m_files.GetSize())
		pData->m_strPath = m_files.GetAt(m_stCurrentIndex)->GetFileName();
	else
	{
		if(m_files.GetSize() > 0)
			pData->m_strPath = m_files.GetAt(0)->GetFileName();
		else
		{
			if(m_clipboard.GetSize() > 0)
				pData->m_strPath = m_clipboard.GetAt(0)->GetFileName();
			else
				pData->m_strPath = GetResManager().LoadString(IDS_NONEINPUTFILE_STRING);
		}
	}

	pData->m_uiStatus=m_nStatus;

	// percents
	pData->m_nPercent = m_localStats.GetProgressInPercent();
}

void CTask::GetSnapshot(TASK_DISPLAY_DATA *pData)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(m_stCurrentIndex >= 0 && m_stCurrentIndex < m_files.GetSize())
	{
		pData->m_strFullFilePath = m_files.GetAt(m_stCurrentIndex)->GetFullFilePath();
		pData->m_strFileName = m_files.GetAt(m_stCurrentIndex)->GetFileName();
	}
	else
	{
		if(m_files.GetSize() > 0)
		{
			pData->m_strFullFilePath = m_files.GetAt(0)->GetFullFilePath();
			pData->m_strFileName = m_files.GetAt(0)->GetFileName();
		}
		else
		{
			if(m_clipboard.GetSize() > 0)
			{
				pData->m_strFullFilePath = m_clipboard.GetAt(0)->GetPath();
				pData->m_strFileName = m_clipboard.GetAt(0)->GetFileName();
			}
			else
			{
				pData->m_strFullFilePath = GetResManager().LoadString(IDS_NONEINPUTFILE_STRING);
				pData->m_strFileName = pData->m_strFullFilePath;
			}
		}
	}

	pData->m_pbsSizes=&m_bsSizes;
	pData->m_nPriority=m_nPriority;
	pData->m_pdpDestPath=&m_dpDestPath;
	pData->m_pafFilters=&m_afFilters;
	pData->m_uiStatus=m_nStatus;
	pData->m_stIndex=m_stCurrentIndex;
	pData->m_ullProcessedSize = m_localStats.GetProcessedSize();
	pData->m_stSize=m_files.GetSize();
	pData->m_ullSizeAll = m_localStats.GetTotalSize();
	pData->m_pstrUniqueName=&m_strUniqueName;

	if(m_files.GetSize() > 0 && m_stCurrentIndex != std::numeric_limits<size_t>::max())
		pData->m_iCurrentBufferIndex=m_bsSizes.m_bOnlyDefault ? 0 : m_files.GetAt((m_stCurrentIndex < m_files.GetSize()) ? m_stCurrentIndex : 0)->GetBufferIndex(m_dpDestPath);
	else
		pData->m_iCurrentBufferIndex=0;

	// percents
	pData->m_nPercent = m_localStats.GetProgressInPercent();

	// status string
	// first
	if( (m_nStatus & ST_WORKING_MASK) == ST_ERROR )
	{
		GetResManager().LoadStringCopy(IDS_STATUS0_STRING+4, pData->m_szStatusText, _MAX_PATH);
		_tcscat(pData->m_szStatusText, _T("/"));
	}
	else if( (m_nStatus & ST_WORKING_MASK) == ST_PAUSED )
	{
		GetResManager().LoadStringCopy(IDS_STATUS0_STRING+5, pData->m_szStatusText, _MAX_PATH);
		_tcscat(pData->m_szStatusText, _T("/"));
	}
	else if( (m_nStatus & ST_STEP_MASK) == ST_FINISHED )
	{
		GetResManager().LoadStringCopy(IDS_STATUS0_STRING+3, pData->m_szStatusText, _MAX_PATH);
		_tcscat(pData->m_szStatusText, _T("/"));
	}
	else if( (m_nStatus & ST_WAITING_MASK) == ST_WAITING )
	{
		GetResManager().LoadStringCopy(IDS_STATUS0_STRING+9, pData->m_szStatusText, _MAX_PATH);
		_tcscat(pData->m_szStatusText, _T("/"));
	}
	else if( (m_nStatus & ST_STEP_MASK) == ST_CANCELLED )
	{
		GetResManager().LoadStringCopy(IDS_STATUS0_STRING+8, pData->m_szStatusText, _MAX_PATH);
		_tcscat(pData->m_szStatusText, _T("/"));
	}
	else
		_tcscpy(pData->m_szStatusText, _T(""));

	// second part
	if( (m_nStatus & ST_STEP_MASK) == ST_DELETING )
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+6));
	else if( (m_nStatus & ST_STEP_MASK) == ST_SEARCHING )
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+0));
	else if((m_nStatus & ST_OPERATION_MASK) == ST_COPY )
	{
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+1));
		if(!m_afFilters.IsEmpty())
			_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_FILTERING_STRING));
	}
	else if( (m_nStatus & ST_OPERATION_MASK) == ST_MOVE )
	{
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+2));
		if(!m_afFilters.IsEmpty())
			_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_FILTERING_STRING));
	}
	else
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+7));

	// third part
	if( (m_nStatus & ST_SPECIAL_MASK) & ST_IGNORE_DIRS )
	{
		_tcscat(pData->m_szStatusText, _T("/"));
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+10));
	}
	if( (m_nStatus & ST_SPECIAL_MASK) & ST_IGNORE_CONTENT )
	{
		_tcscat(pData->m_szStatusText, _T("/"));
		_tcscat(pData->m_szStatusText, GetResManager().LoadString(IDS_STATUS0_STRING+11));
	}

	// time
	pData->m_timeElapsed = m_localStats.GetTimeElapsed();
}

void CTask::DeleteProgress(LPCTSTR lpszDirectory)
{
	m_lock.lock_shared();

	CString strDel1 = lpszDirectory+m_strUniqueName+_T(".atd");
	CString strDel2 = lpszDirectory+m_strUniqueName+_T(".atp");
	CString strDel3 = lpszDirectory+m_strUniqueName+_T(".log");

	m_lock.unlock_shared();

	DeleteFile(strDel1);
	DeleteFile(strDel2);
	DeleteFile(strDel3);
}

void CTask::SetFilters(const CFiltersArray* pFilters)
{
	BOOST_ASSERT(pFilters);
	if(!pFilters)
		THROW(_T("Invalid argument"), 0, 0, 0);

	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_afFilters = *pFilters;
}

bool CTask::CanBegin()
{
	bool bRet=true;
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(GetContinueFlagNL() || GetForceFlagNL())
	{
		m_localStats.MarkTaskAsRunning();
		SetForceFlagNL(false);
		SetContinueFlagNL(false);
	}
	else
		bRet = false;

	return bRet;
}

bool CTask::GetRequiredFreeSpace(ull_t *pullNeeded, ull_t *pullAvailable)
{
	*pullNeeded = m_localStats.GetUnProcessedSize(); // it'd be nice to round up to take cluster size into consideration,
	// but GetDiskFreeSpace returns flase values

	// get free space
	if(!GetDynamicFreeSpace(GetDestPath().GetPath(), pullAvailable, NULL))
		return true;

	return (*pullNeeded <= *pullAvailable);
}

void CTask::SetTaskPath(const tchar_t* pszDir)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_strTaskBasePath = pszDir;
}

const tchar_t* CTask::GetTaskPath() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_strTaskBasePath.c_str();
}

void CTask::SetForceFlag(bool bFlag)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_bForce=bFlag;
}

bool CTask::GetForceFlag()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_bForce;
}

void CTask::SetContinueFlag(bool bFlag)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_bContinue=bFlag;
}

bool CTask::GetContinueFlag()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_bContinue;
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool CTask::SetFileDirectoryTime(LPCTSTR lpszName, const CFileInfoPtr& spFileInfo)
{
	TAutoFileHandle hFile = CreateFile(lpszName, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | (spFileInfo->IsDirectory() ? FILE_FLAG_BACKUP_SEMANTICS : 0), NULL);
	if(hFile == INVALID_HANDLE_VALUE)
		return false;

	BOOL bResult = (!SetFileTime(hFile, &spFileInfo->GetCreationTime(), &spFileInfo->GetLastAccessTime(), &spFileInfo->GetLastWriteTime()));

	if(!hFile.Close())
		return false;

	return bResult != 0;
}

// m_stCurrentIndex
void CTask::IncreaseCurrentIndexNL()
{
	++m_stCurrentIndex;
}

size_t CTask::GetCurrentIndexNL()
{
	return m_stCurrentIndex;
}

void CTask::SetCurrentIndexNL(size_t stIndex)
{
	m_stCurrentIndex = stIndex;
}

// m_strDestPath - adds '\\'
void CTask::SetDestPathNL(LPCTSTR lpszPath)
{
	m_dpDestPath.SetPath(lpszPath);
}

// guaranteed '\\'
const CDestPath& CTask::GetDestPathNL()
{
	return m_dpDestPath;
}

int CTask::GetDestDriveNumberNL()
{
	return m_dpDestPath.GetDriveNumber();
}

// m_nStatus
void CTask::SetStatusNL(UINT nStatus, UINT nMask)
{
	m_nStatus &= ~nMask;
	m_nStatus |= nStatus;
}

UINT CTask::GetStatusNL(UINT nMask)
{
	return m_nStatus & nMask;
}

// m_nBufferSize
void CTask::SetBufferSizesNL(const BUFFERSIZES* bsSizes)
{
	m_bsSizes = *bsSizes;
	m_bSaved = false;
}

const BUFFERSIZES* CTask::GetBufferSizesNL()
{
	return &m_bsSizes;
}

int CTask::GetCurrentBufferIndexNL()
{
	int rv = 0;

	size_t stSize = m_files.GetSize();
	if(stSize > 0 && m_stCurrentIndex != std::numeric_limits<size_t>::max())
		rv = m_bsSizes.m_bOnlyDefault ? 0 : m_files.GetAt((m_stCurrentIndex < stSize) ? m_stCurrentIndex : 0)->GetBufferIndex(m_dpDestPath);

	return rv;
}

// m_pThread
// m_nPriority
int CTask::GetPriorityNL()
{
	return m_nPriority;
}

void CTask::SetPriorityNL(int nPriority)
{
	m_workerThread.ChangePriority(nPriority);

	m_nPriority = nPriority;
	m_bSaved = false;
}

void CTask::CalculateTotalSizeNL()
{
	unsigned long long ullTotalSize = 0;

	size_t nSize = m_files.GetSize();
	for(size_t stIndex = 0; stIndex < nSize; stIndex++)
	{
		ullTotalSize += m_files.GetAt(stIndex)->GetLength64();
	}

	m_localStats.SetTotalSize(ullTotalSize);
}

CString CTask::GetUniqueNameNL()
{
	return m_strUniqueName;
}

void CTask::SetForceFlagNL(bool bFlag)
{
	m_bForce=bFlag;
}

bool CTask::GetForceFlagNL()
{
	return m_bForce;
}

void CTask::SetContinueFlagNL(bool bFlag)
{
	m_bContinue=bFlag;
}

bool CTask::GetContinueFlagNL()
{
	return m_bContinue;
}

// searching for files
void CTask::RecurseDirectories()
{
	// log
	m_log.logi(_T("Searching for files..."));

	// update status
	SetStatus(ST_SEARCHING, ST_STEP_MASK);

	// delete the content of m_files
	FilesRemoveAll();

	// enter some data to m_files
	int iDestDrvNumber = GetDestDriveNumber();
	bool bIgnoreDirs = (GetStatus(ST_SPECIAL_MASK) & ST_IGNORE_DIRS) != 0;
	bool bForceDirectories = (GetStatus(ST_SPECIAL_MASK) & ST_FORCE_DIRS) != 0;
	bool bMove = GetStatus(ST_OPERATION_MASK) == ST_MOVE;

	// add everything
	ictranslate::CFormat fmt;
	bool bRetry = true;
	bool bSkipInputPath = false;

	size_t stSize = GetClipboardDataSize();
	for(size_t stIndex = 0; stIndex < stSize ; stIndex++)
	{
		CFileInfoPtr spFileInfo;

		bSkipInputPath = false;
		bRetry = false;

		// try to get some info about the input path; let user know if the path does not exist.
		do
		{
			// read attributes of src file/folder
			spFileInfo.reset(new CFileInfo());
			spFileInfo->SetClipboard(GetClipboard());

			bool bExists = spFileInfo->Create(GetClipboardData(stIndex)->GetPath(), stIndex);
			if(!bExists)
			{
				CString strSrcFile = GetClipboardData(stIndex)->GetPath();
				FEEDBACK_FILEERROR ferr = { (PCTSTR)strSrcFile, NULL, eFastMoveError, ERROR_FILE_NOT_FOUND };
				CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
				switch(frResult)
				{
				case CFeedbackHandler::eResult_Cancel:
					throw new CProcessingException(E_CANCEL);
					break;
				case CFeedbackHandler::eResult_Retry:
					bRetry = true;
					continue;
					break;
				case CFeedbackHandler::eResult_Pause:
					throw new CProcessingException(E_PAUSE);
					break;
				case CFeedbackHandler::eResult_Skip:
					bSkipInputPath = true;
					bRetry = false;
					break;		// just do nothing
				default:
					BOOST_ASSERT(FALSE);		// unknown result
					throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
				}
			}
		}
		while(bRetry);

		// if we have chosen to skip the input path then there's nothing to do
		if(bSkipInputPath)
			continue;

		// log
		fmt.SetFormat(_T("Adding file/folder (clipboard) : %path ..."));
		fmt.SetParam(_t("%path"), GetClipboardData(stIndex)->GetPath());
		m_log.logi(fmt);

		// found file/folder - check if the dest name has been generated
		if(!GetClipboardData(stIndex)->IsDestinationPathSet())
		{
			// generate something - if dest folder == src folder - search for copy
			if(GetDestPath().GetPath() == spFileInfo->GetFileRoot())
			{
				CString strSubst;
				FindFreeSubstituteName(spFileInfo->GetFullFilePath(), GetDestPath().GetPath(), &strSubst);
				GetClipboardData(stIndex)->SetDestinationPath(strSubst);
			}
			else
				GetClipboardData(stIndex)->SetDestinationPath(spFileInfo->GetFileName());
		}

		// add if needed
		if(spFileInfo->IsDirectory())
		{
			// add if folder's aren't ignored
			if(!bIgnoreDirs && !bForceDirectories)
			{
				FilesAdd(spFileInfo);

				// log
				fmt.SetFormat(_T("Added folder %path"));
				fmt.SetParam(_t("%path"), spFileInfo->GetFullFilePath());
				m_log.logi(fmt);
			}

			// don't add folder contents when moving inside one disk boundary
			if(bIgnoreDirs || !bMove || iDestDrvNumber == -1
				|| iDestDrvNumber != spFileInfo->GetDriveNumber() || CFileInfo::Exist(spFileInfo->GetDestinationPath(GetDestPath().GetPath(), ((int)bForceDirectories) << 1)) )
			{
				// log
				fmt.SetFormat(_T("Recursing folder %path"));
				fmt.SetParam(_t("%path"), spFileInfo->GetFullFilePath());
				m_log.logi(fmt);

				// no movefile possibility - use CustomCopyFile
				GetClipboardData(stIndex)->SetMove(false);

				FilesAddDir(spFileInfo->GetFullFilePath(), stIndex, true, !bIgnoreDirs || bForceDirectories);
			}

			// check for kill need
			if(m_workerThread.KillRequested())
			{
				// log
				m_log.logi(_T("Kill request while adding data to files array (RecurseDirectories)"));
				throw new CProcessingException(E_KILL_REQUEST);
			}
		}
		else
		{
			if(bMove && iDestDrvNumber != -1 && iDestDrvNumber == spFileInfo->GetDriveNumber() &&
				!CFileInfo::Exist(spFileInfo->GetDestinationPath(GetDestPath().GetPath(), ((int)bForceDirectories) << 1)) )
			{
				// if moving within one partition boundary set the file size to 0 so the overall size will
				// be ok
				spFileInfo->SetLength64(0);
			}
			else
				GetClipboardData(stIndex)->SetMove(false);	// no MoveFile

			FilesAdd(spFileInfo);		// file - add

			// log
			fmt.SetFormat(_T("Added file %path"));
			fmt.SetParam(_t("%path"), spFileInfo->GetFullFilePath());
			m_log.logi(fmt);
		}
	}

	// calc size of all files
	CalculateTotalSize();

	// change state to ST_COPYING - finished searching for files
	SetStatus(ST_COPYING, ST_STEP_MASK);

	// save task status
	Store(true);
	Store(false);

	// log
	m_log.logi(_T("Searching for files finished"));
}

// delete files - after copying
void CTask::DeleteFiles()
{
	// log
	m_log.logi(_T("Deleting files (DeleteFiles)..."));

	// current processed path
	BOOL bSuccess;
	CFileInfoPtr spFileInfo;
	ictranslate::CFormat fmt;

	// index points to 0 or next item to process
	size_t stIndex = GetCurrentIndex();
	while(stIndex < FilesGetSize())
	{
		// set index in pTask to currently deleted element
		SetCurrentIndex(stIndex);

		// check for kill flag
		if(m_workerThread.KillRequested())
		{
			// log
			m_log.logi(_T("Kill request while deleting files (Delete Files)"));
			throw new CProcessingException(E_KILL_REQUEST);
		}

		// current processed element
		spFileInfo = FilesGetAt(FilesGetSize() - stIndex - 1);
		if(!(spFileInfo->GetFlags() & FIF_PROCESSED))
		{
			++stIndex;
			continue;
		}

		// delete data
		if(spFileInfo->IsDirectory())
		{
			if(!GetConfig().get_bool(PP_CMPROTECTROFILES))
				SetFileAttributes(spFileInfo->GetFullFilePath(), FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY);
			bSuccess=RemoveDirectory(spFileInfo->GetFullFilePath());
		}
		else
		{
			// set files attributes to normal - it'd slow processing a bit, but it's better.
			if(!GetConfig().get_bool(PP_CMPROTECTROFILES))
				SetFileAttributes(spFileInfo->GetFullFilePath(), FILE_ATTRIBUTE_NORMAL);
			bSuccess=DeleteFile(spFileInfo->GetFullFilePath());
		}

		// operation failed
		DWORD dwLastError=GetLastError();
		if(!bSuccess && dwLastError != ERROR_PATH_NOT_FOUND && dwLastError != ERROR_FILE_NOT_FOUND)
		{
			// log
			fmt.SetFormat(_T("Error #%errno while deleting file/folder %path"));
			fmt.SetParam(_t("%errno"), dwLastError);
			fmt.SetParam(_t("%path"), spFileInfo->GetFullFilePath());
			m_log.loge(fmt);

			CString strFile = spFileInfo->GetFullFilePath();
			FEEDBACK_FILEERROR ferr = { (PCTSTR)strFile, NULL, eDeleteError, dwLastError };
			CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
			switch(frResult)
			{
			case CFeedbackHandler::eResult_Cancel:
				m_log.logi(_T("Cancel request while deleting file."));
				throw new CProcessingException(E_CANCEL);
				break;
			case CFeedbackHandler::eResult_Retry:
				continue;	// no stIndex bump, since we are trying again
				break;
			case CFeedbackHandler::eResult_Pause:
				throw new CProcessingException(E_PAUSE);
				break;
			case CFeedbackHandler::eResult_Skip:
				break;		// just do nothing
			default:
				BOOST_ASSERT(FALSE);		// unknown result
				throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
			}
		}

		++stIndex;
	}//while

	// change status to finished
	SetStatus(ST_FINISHED, ST_STEP_MASK);

	// add 1 to current index - looks better
	IncreaseCurrentIndex();

	// log
	m_log.logi(_T("Deleting files finished"));
}

HANDLE CTask::OpenSourceFileFB(const CFileInfoPtr& spSrcFileInfo, bool bNoBuffering)
{
	BOOST_ASSERT(spSrcFileInfo);
	if(!spSrcFileInfo)
		THROW(_T("Invalid argument"), 0, 0, 0);

	bool bRetry = false;
	HANDLE hFile = INVALID_HANDLE_VALUE;
	CString strPath = spSrcFileInfo->GetFullFilePath();

	do
	{
		bRetry = false;

		hFile = CreateFile(strPath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN | (bNoBuffering ? FILE_FLAG_NO_BUFFERING | FILE_FLAG_WRITE_THROUGH : 0), NULL);
		if(hFile == INVALID_HANDLE_VALUE)
		{
			DWORD dwLastError = GetLastError();

			FEEDBACK_FILEERROR feedStruct = { (PCTSTR)strPath, NULL, eCreateError, dwLastError };
			CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &feedStruct);

			switch(frResult)
			{
			case CFeedbackHandler::eResult_Skip:
				m_localStats.IncreaseProcessedSize(spSrcFileInfo->GetLength64());
				break;	// will return INVALID_HANDLE_VALUE

			case CFeedbackHandler::eResult_Cancel:
				{
					// log
					ictranslate::CFormat fmt;
					fmt.SetFormat(_T("Cancel request [error %errno] while opening source file %path (CustomCopyFile)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%path"), strPath);
					m_log.loge(fmt);
					throw new CProcessingException(E_CANCEL);
				}

			case CFeedbackHandler::eResult_Pause:
				throw new CProcessingException(E_PAUSE);

			case CFeedbackHandler::eResult_Retry:
				{
					// log
					ictranslate::CFormat fmt;
					fmt.SetFormat(_T("Retrying [error %errno] to open source file %path (CustomCopyFile)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%path"), strPath);
					m_log.loge(fmt);

					bRetry = true;
					break;
				}

			default:
				BOOST_ASSERT(FALSE);		// unknown result
				THROW(_T("Unhandled case"), 0, 0, 0);
			}
		}
	}
	while(bRetry);

	return hFile;
}

void CTask::CustomCopyFile(CUSTOM_COPY_PARAMS* pData)
{
	TAutoFileHandle hSrc = INVALID_HANDLE_VALUE,
					hDst = INVALID_HANDLE_VALUE;
	ictranslate::CFormat fmt;
	bool bRetry = false;

	try
	{
		// do we copy rest or recopy ?
		bool bCopyRest = false;

		// Data regarding dest file
		CFileInfoPtr spDestFileInfo(boost::make_shared<CFileInfo>());
		bool bExist = spDestFileInfo->Create(pData->strDstFile, std::numeric_limits<size_t>::max());

		// if dest file size >0 - we can do something more than usual
		if(bExist)
		{
			// src and dst files are the same
			FEEDBACK_ALREADYEXISTS feedStruct = { pData->spSrcFile, spDestFileInfo };
			CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileAlreadyExists, &feedStruct);
			// check for dialog result
			switch(frResult)
			{
			case CFeedbackHandler::eResult_Overwrite:
				{
					bCopyRest = false;
					break;
				}
			case CFeedbackHandler::eResult_CopyRest:
				{
					bCopyRest = true;
					break;
				}
			case CFeedbackHandler::eResult_Skip:
				{
					m_localStats.IncreaseProcessedSize(pData->spSrcFile->GetLength64());
					pData->bProcessed = false;
					return;
				}
			case CFeedbackHandler::eResult_Cancel:
				{
					// log
					if(GetConfig().get_bool(PP_CMCREATELOG))
					{
						fmt.SetFormat(_T("Cancel request while checking result of dialog before opening source file %path (CustomCopyFile)"));
						fmt.SetParam(_t("%path"), pData->spSrcFile->GetFullFilePath());
						m_log.logi(fmt);
					}
					throw new CProcessingException(E_CANCEL);
					break;
				}
			case CFeedbackHandler::eResult_Pause:
				{
					throw new CProcessingException(E_PAUSE);
					break;
				}
			default:
				{
					BOOST_ASSERT(FALSE);		// unknown result
					throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
					break;
				}
			}
		}// bExist

		// change attributes of a dest file
		if(!GetConfig().get_bool(PP_CMPROTECTROFILES))
			SetFileAttributes(pData->strDstFile, FILE_ATTRIBUTE_NORMAL);

		// first or second pass ? only for FFNB
		bool bFirstPass = true;

		// check size of src file to know whether use flag FILE_FLAG_NOBUFFERING
l_start:
		bool bNoBuffer=(bFirstPass && GetConfig().get_bool(PP_BFUSENOBUFFERING) && pData->spSrcFile->GetLength64() >= (unsigned long long)GetConfig().get_signed_num(PP_BFBOUNDARYLIMIT));

		// refresh data about file
		if(!bFirstPass)
			bExist = spDestFileInfo->Create(pData->strDstFile, std::numeric_limits<size_t>::max());

		// open src
		hSrc = OpenSourceFileFB(pData->spSrcFile, bNoBuffer);
		if(hSrc == INVALID_HANDLE_VALUE)
		{
			// invalid handle = operation skipped by user
			pData->bProcessed = false;
			return;
		}

		// open dest
		do 
		{
			bRetry = false;

			hDst = CreateFile(pData->strDstFile, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN | (bNoBuffer ? FILE_FLAG_NO_BUFFERING | FILE_FLAG_WRITE_THROUGH : 0), NULL);
			if(hDst == INVALID_HANDLE_VALUE)
			{
				DWORD dwLastError=GetLastError();
				CString strFile = pData->strDstFile;

				FEEDBACK_FILEERROR feedStruct = { (PCTSTR)strFile, NULL, eCreateError, dwLastError };
				CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &feedStruct);
				switch (frResult)
				{
				case CFeedbackHandler::eResult_Retry:
					// change attributes
					if(!GetConfig().get_bool(PP_CMPROTECTROFILES))
						SetFileAttributes(pData->strDstFile, FILE_ATTRIBUTE_NORMAL);

					// log
					fmt.SetFormat(_T("Retrying [error %errno] to open destination file %path (CustomCopyFile)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%path"), pData->strDstFile);
					m_log.loge(fmt);
					bRetry = true;
					break;
				case CFeedbackHandler::eResult_Cancel:
					// log
					fmt.SetFormat(_T("Cancel request [error %errno] while opening destination file %path (CustomCopyFile)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%path"), pData->strDstFile);
					m_log.loge(fmt);
					throw new CProcessingException(E_CANCEL);
					break;
				case CFeedbackHandler::eResult_Skip:
					m_localStats.IncreaseProcessedSize(pData->spSrcFile->GetLength64());
					pData->bProcessed = false;
					return;
					break;
				case CFeedbackHandler::eResult_Pause:
					throw new CProcessingException(E_PAUSE);
					break;
				default:
					{
						BOOST_ASSERT(FALSE);		// unknown result
						throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
						break;
					}
				}
			}
		}
		while(bRetry);

		// seeking
		DWORD dwLastError = 0;
		if(!pData->bOnlyCreate)
		{
			if(bCopyRest)	// if copy rest
			{
				if(!bFirstPass || (bExist && spDestFileInfo->GetLength64() > 0))
				{
					// try to move file pointers to the end
					ULONGLONG ullMove = (bNoBuffer ? ROUNDDOWN(spDestFileInfo->GetLength64(), MAXSECTORSIZE) : spDestFileInfo->GetLength64());
					bool bRetry = true;
					while(bRetry)
					{
						if(SetFilePointer64(hSrc, ullMove, FILE_BEGIN) == -1 || SetFilePointer64(hDst, ullMove, FILE_BEGIN) == -1)
						{
							dwLastError = GetLastError();
							// log
							fmt.SetFormat(_T("Error %errno while moving file pointers of %srcpath and %dstpath to %pos"));
							fmt.SetParam(_t("%errno"), dwLastError);
							fmt.SetParam(_t("%srcpath"), pData->spSrcFile->GetFullFilePath());
							fmt.SetParam(_t("%dstpath"), pData->strDstFile);
							fmt.SetParam(_t("%pos"), ullMove);
							m_log.loge(fmt);

							CString strSrcFile = pData->spSrcFile->GetFullFilePath();
							CString strDstFile = pData->strDstFile;
							FEEDBACK_FILEERROR ferr = { (PCTSTR)strSrcFile, (PCTSTR)strDstFile, eSeekError, dwLastError };
							CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
							switch(frResult)
							{
							case CFeedbackHandler::eResult_Cancel:
								throw new CProcessingException(E_CANCEL);
								break;
							case CFeedbackHandler::eResult_Retry:
								continue;
								break;
							case CFeedbackHandler::eResult_Pause:
								throw new CProcessingException(E_PAUSE);
								break;
							case CFeedbackHandler::eResult_Skip:
								bRetry = false;
								m_localStats.IncreaseProcessedSize(pData->spSrcFile->GetLength64());
								pData->bProcessed = false;
								return;
							default:
								BOOST_ASSERT(FALSE);		// unknown result
								throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
							}
						}
						else
						{
							bRetry = false;
							// file pointers moved - so we have skipped some work - update positions
							if(bFirstPass)
								m_localStats.IncreaseProcessedSize(ullMove);
						}
					}
				}
			}
			else
			{
				bool bRetry = true;
				while(bRetry && !SetEndOfFile(hDst))
				{
					// log
					dwLastError=GetLastError();
					fmt.SetFormat(_T("Error %errno while setting size of file %path to 0"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%path"), pData->strDstFile);
					m_log.loge(fmt);

					FEEDBACK_FILEERROR ferr = { (PCTSTR)pData->strDstFile, NULL, eResizeError, dwLastError };
					CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
					switch(frResult)
					{
					case CFeedbackHandler::eResult_Cancel:
						throw new CProcessingException(E_CANCEL);
						break;
					case CFeedbackHandler::eResult_Retry:
						continue;
						break;
					case CFeedbackHandler::eResult_Pause:
						throw new CProcessingException(E_PAUSE);
						break;
					case CFeedbackHandler::eResult_Skip:
						bRetry = false;
						break;		// just do nothing
					default:
						BOOST_ASSERT(FALSE);		// unknown result
						throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
					}
				}
			}

			// copying
			unsigned long ulToRead = 0, ulRead = 0, ulWritten = 0;
			int iBufferIndex = 0;
			do
			{
				// kill flag checks
				if(m_workerThread.KillRequested())
				{
					// log
					fmt.SetFormat(_T("Kill request while main copying file %srcpath -> %dstpath"));
					fmt.SetParam(_t("%srcpath"), pData->spSrcFile->GetFullFilePath());
					fmt.SetParam(_t("%dstpath"), pData->strDstFile);
					m_log.logi(fmt);
					throw new CProcessingException(E_KILL_REQUEST);
				}

				// recreate buffer if needed
				if(!(*pData->dbBuffer.GetSizes() == *GetBufferSizes()))
				{
					// log
					const BUFFERSIZES *pbs1=pData->dbBuffer.GetSizes(), *pbs2=GetBufferSizes();

					fmt.SetFormat(_T("Changing buffer size from [Def:%defsize, One:%onesize, Two:%twosize, CD:%cdsize, LAN:%lansize] to [Def:%defsize2, One:%onesize2, Two:%twosize2, CD:%cdsize2, LAN:%lansize2] wile copying %srcfile -> %dstfile (CustomCopyFile)"));

					fmt.SetParam(_t("%defsize"), pbs1->m_uiDefaultSize);
					fmt.SetParam(_t("%onesize"), pbs1->m_uiOneDiskSize);
					fmt.SetParam(_t("%twosize"), pbs1->m_uiTwoDisksSize);
					fmt.SetParam(_t("%cdsize"), pbs1->m_uiCDSize);
					fmt.SetParam(_t("%lansize"), pbs1->m_uiLANSize);
					fmt.SetParam(_t("%defsize2"), pbs2->m_uiDefaultSize);
					fmt.SetParam(_t("%onesize2"), pbs2->m_uiOneDiskSize);
					fmt.SetParam(_t("%twosize2"), pbs2->m_uiTwoDisksSize);
					fmt.SetParam(_t("%cdsize2"), pbs2->m_uiCDSize);
					fmt.SetParam(_t("%lansize2"), pbs2->m_uiLANSize);
					fmt.SetParam(_t("%srcfile"), pData->spSrcFile->GetFullFilePath());
					fmt.SetParam(_t("%dstfile"), pData->strDstFile);

					m_log.logi(fmt);
					SetBufferSizes(pData->dbBuffer.Create(GetBufferSizes()));
				}

				// establish count of data to read
				if(GetBufferSizes()->m_bOnlyDefault)
					iBufferIndex = BI_DEFAULT;
				else
					iBufferIndex = pData->spSrcFile->GetBufferIndex(m_dpDestPath);

				ulToRead=bNoBuffer ? ROUNDUP(pData->dbBuffer.GetSizes()->m_auiSizes[iBufferIndex], MAXSECTORSIZE) : pData->dbBuffer.GetSizes()->m_auiSizes[iBufferIndex];

				// read
				bool bRetry = true;
				while(bRetry && !ReadFile(hSrc, pData->dbBuffer, ulToRead, &ulRead, NULL))
				{
					// log
					dwLastError=GetLastError();
					fmt.SetFormat(_T("Error %errno while trying to read %count bytes from source file %path (CustomCopyFile)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%count"), ulToRead);
					fmt.SetParam(_t("%path"), pData->spSrcFile->GetFullFilePath());
					m_log.loge(fmt);

					CString strFile = pData->spSrcFile->GetFullFilePath();
					FEEDBACK_FILEERROR ferr = { (PCTSTR)strFile, NULL, eReadError, dwLastError };
					CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
					switch(frResult)
					{
					case CFeedbackHandler::eResult_Cancel:
						throw new CProcessingException(E_CANCEL);
						break;
					case CFeedbackHandler::eResult_Retry:
						continue;
						break;
					case CFeedbackHandler::eResult_Pause:
						throw new CProcessingException(E_PAUSE);
						break;
					case CFeedbackHandler::eResult_Skip:
						bRetry = false;
						// TODO: correct the skip length handling
						m_localStats.IncreaseProcessedSize(pData->spSrcFile->GetLength64());
						pData->bProcessed = false;
						return;
					default:
						BOOST_ASSERT(FALSE);		// unknown result
						throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
					}
				}

				// change count of stored data
				if(bNoBuffer && (ROUNDUP(ulRead, MAXSECTORSIZE)) != ulRead)
				{
					// we need to copy rest so do the second pass
					// close files
					hSrc.Close();
					hDst.Close();

					// second pass
					bFirstPass=false;
					bCopyRest=true;		// need to copy rest

					goto l_start;
				}

				// write
				bRetry = true;
				while(bRetry && !WriteFile(hDst, pData->dbBuffer, ulRead, &ulWritten, NULL) || ulWritten != ulRead)
				{
					// log
					dwLastError=GetLastError();
					fmt.SetFormat(_T("Error %errno while trying to write %count bytes to destination file %path (CustomCopyFile)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%count"), ulRead);
					fmt.SetParam(_t("%path"), pData->strDstFile);
					m_log.loge(fmt);

					CString strFile = pData->strDstFile;
					FEEDBACK_FILEERROR ferr = { (PCTSTR)strFile, NULL, eWriteError, dwLastError };
					CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
					switch(frResult)
					{
					case CFeedbackHandler::eResult_Cancel:
						throw new CProcessingException(E_CANCEL);
						break;
					case CFeedbackHandler::eResult_Retry:
						continue;
						break;
					case CFeedbackHandler::eResult_Pause:
						throw new CProcessingException(E_PAUSE);
						break;
					case CFeedbackHandler::eResult_Skip:
						bRetry = false;
						// TODO: correct the skip length handling
						m_localStats.IncreaseProcessedSize(pData->spSrcFile->GetLength64());
						pData->bProcessed = false;
						return;
					default:
						BOOST_ASSERT(FALSE);		// unknown result
						throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
					}
				}

				// increase count of processed data
				m_localStats.IncreaseProcessedSize(ulRead);
			}
			while(ulRead != 0);
		}
		else
		{
			// we don't copy contents, but need to increase processed size
			m_localStats.IncreaseProcessedSize(pData->spSrcFile->GetLength64());
		}

		// close files
		hSrc.Close();
		hDst.Close();

		pData->bProcessed = true;
	}
	catch(...)
	{
		// close handles
		hSrc.Close();
		hDst.Close();

		throw;
	}
}
/*

void CTask::CustomCopyFile2(CUSTOM_COPY_PARAMS* / *pData* /)
{
	// 1. DetermineStartupData:
	bool bNoBuffering = false;	// TODO: read from config file

	// additional variables
	bool bRetry = false;

	// 2. Open source file
	HANDLE hFile = INVALID_HANDLE_VALUE;
	do
	{
		bRetry = false;

		hFile = CreateFile(_T("source_path"), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, bNoBuffering ? FILE_FLAG_NO_BUFFERING : 0, NULL);
		if(hFile == INVALID_HANDLE_VALUE)
		{
			int iResponse = 0;	// Ask user what to do
			switch(iResponse)
			{
			case 0://eSkip:
				return;
				break;
			case 1://eRetry:
				bRetry = true;
				break;
			case 2://eCancel:
				break;
			case 3: //ePause:
				break;
			default:
				throw;
			}
		}
	}
	while(bRetry);

	// 3. Open destination file - a more complex part
	do 
	{
		bRetry = false;

		hFile = CreateFile(_T("destination_path"), GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_NEW, bNoBuffering ? FILE_FLAG_NO_BUFFERING : 0, NULL);
		if(hFile == INVALID_HANDLE_VALUE)
		{
			// creating new destination file have failed - either file exists or some other problem occurred
			DWORD dwLastError = GetLastError();
			if(dwLastError == ERROR_FILE_EXISTS)
			{
				// destination file already exists - try to open existing file
				do
				{
					hFile = CreateFile(_T("destination_path"), GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_NEW, bNoBuffering ? FILE_FLAG_NO_BUFFERING : 0, NULL);
					if(hFile == INVALID_HANDLE_VALUE)
					{
						// opening existing destination file failed...
						dwLastError = GetLastError();
						if(dwLastError == ERROR_ACCESS_DENIED)
						{
							// access to the file was denied - is it read only?
							// ask user what to do (reset read-only attr, skip, pause, cancel, retry)
						}
						else
						{
							// some other error occurred when trying to open existing destination file
							// ask user what todo
						}
					}
					else
					{
						// existing destination file was successfully opened - gather information about it
						// and ask user if he want to overwrite/append/skip/...
					}
				}
				while(bRetry);
			}
			else
			{
				// there is other reason for file creation failure
			}
		}
	}
	while(bRetry);
			
			/ *
			
			
			
			switch ERROR
				{
					* File already exists:
					{
						loop
						{
							ReOpenDestinationFile (OPEN_EXISTING, NoBuffering ? NO_BUFFER : NORMAL)
								if FAILED
								{
									switch ERROR
									{
										* Access denied =
										{
											GetFileAttributes
											RESPONSE = Ask user
											switch RESPONSE
											{
												* Skip / Retry / Cancel / Pause =
													Standard

													????????????????????????
													- problem with read only -> Delete ReadOnly attr
													- standard options - skip/retry/cancel/pause
													- rename option
													- 
													????????????????????????
											}
										}

										* Other errors =
										{

										}
									}
								else if SUCCEEDED
								{
									// append/overwrite?
									// skip/cancel/pause (no retry?)
								}
								}
								while RETRY

									RESPONSE = Ask user
									switch RESPONSE
								{
									* Skip / Retry / Cancel / Pause =
										Standard

										* Replace =
									{
										loop
										{
											ReOpenDestinationFile (OPEN_EXISTING, NoBuffering ? NO_BUFFER : NORMAL)
												if FAILED
												{

													RESPONSE = Ask user
														switch RESPONSE
													{
														* Skip / Retry / Cancel / Pause =
															Standard


															????????????????????????
															- problem with read only -> Delete ReadOnly attr
															- standard options - skip/retry/cancel/pause
															- rename option
															- 
															????????????????????????
													}
												}
										}
										while RETRY

											loop
										{
											SetEndOfFile at current file position (0)
												if FAILED
												{
													* Skip =
														exit proc -> continue with next src file
														* Retry =
														RETRY LOOP
														* Cancel =
														stop processing completely with cancelled status
														* Pause =
														stop processing completely with paused status
												}
										}
										while RETRY
									}

									* Append =
									{
										loop
										{
											ReOpen dst file (OPEN_EXISTING, NoBuffering ? NO_BUFFER : NORMAL)
												if FAILED
												{
													RESPONSE = Ask user
														switch RESPONSE
													{
														????????????????????????
													}
												}
										}
										while RETRY

											loop
										{
											SeekToEnd (possibly round down when NoBuffering)
												if FAILED
												{
													* Skip =
														exit proc -> continue with next src file
														* Retry =
														RETRY LOOP
														* Cancel =
														stop processing completely with cancelled status
														* Pause =
														stop processing completely with paused status
												}
										}
										while RETRY

											loop
										{
											SeekToPosition for source file opened at pt 1 to position at which dst file has been set
												if FAILED
												{
													* Skip =
														exit proc -> continue with next src file
														* Retry =
														RETRY LOOP
														* Cancel =
														stop processing completely with cancelled status
														* Pause =
														stop processing completely with paused status
												}
										}
										while RETRY
									}
									* Rename =
									{
										Store new filename + goto 2
									}
								}
						}

						* Other problems:
						{
							- Skip
								- Retry
								- Cancel
								- Pause
								- Rename =
								Store new filename + goto 2
						}
					}
				}
			}
			while RETRY
	}
	while(bRetry);


				3. Copy contents of source file to destination file
				- loop:
			- Read xxx bytes from source file (take NoBuffer requirements into consideration)
				- If bytes read are equal to those requested:
			- write bytes to destination filename
				- else
				- 




				//////////////////////////////////////
				Standard options when asking user for feedback:
			* Skip =
				exit proc -> continue with next src file
				* Retry =
				RETRY LOOP
				* Cancel =
				stop processing completely with cancelled status
				* Pause =
				stop processing completely with paused status
* /
}
*/
/*

HANDLE CTask::OpenSourceFile(const CString& strPath, bool bNoBuffering/ *, FeedbackSettings* /)
{
	bool bRetry = false;
	HANDLE hFile = INVALID_HANDLE_VALUE;
	do
	{
		bRetry = false;

		hFile = CreateFile(_T("source_path"), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, bNoBuffering ? FILE_FLAG_NO_BUFFERING : 0, NULL);
		if(hFile == INVALID_HANDLE_VALUE)
		{
			int iResponse = 0;	// Ask user what to do
			switch(iResponse)
			{
			case 0://eSkip:
				return;
				break;
			case 1://eRetry:
				bRetry = true;
				break;
			case 2://eCancel:
				break;
			case 3: //ePause:
				break;
			default:
				throw;
			}
		}
	}
	while(bRetry);

	return hFile;
}

HANDLE CTask::CreateNewDestinationFile(const CString& strPath, bool bNoBuffering/ *, FeedbackSettings* /)
{
	bool bRetry = false;
	HANDLE hFile = INVALID_HANDLE_VALUE;
	do 
	{
		bRetry = false;

		hFile = CreateFile(_T("destination_path"), GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_NEW, bNoBuffering ? FILE_FLAG_NO_BUFFERING : 0, NULL);
		if(hFile == INVALID_HANDLE_VALUE)
		{
			// creating new destination file have failed - either file exists or some other problem occurred
			DWORD dwLastError = GetLastError();
			if(dwLastError == ERROR_FILE_EXISTS)
			{
				// destination file already exists - try to open existing file
				return OpenExistingDestinationFile(strPath, bNoBuffering);
			}
			else
			{
				// there is other reason for file creation failure
				int iResponse = 0;	// Ask user what to do
				switch(iResponse)
				{
				case 0://eSkip:
					return;
					break;
				case 1://eRetry:
					bRetry = true;
					break;
				case 2://eCancel:
					break;
				case 3: //ePause:
					break;
				default:
					throw;
			}
		}
	}
	while(bRetry);

	return hFile;
}

HANDLE CTask::OpenExistingDestinationFile(const CString& strPath, bool bNoBuffering/ *, FeedbackSettings* /)
{

}

void CTask::SetEndOfFile(HANDLE hFile)
{

}

void CTask::SeekToPosition(HANDLE hFile, unsigned long long ullPos)
{

}
*/

// function processes files/folders
void CTask::ProcessFiles()
{
	// log
	m_log.logi(_T("Processing files/folders (ProcessFiles)"));

	// count how much has been done (updates also a member in CTaskArray)
	CalculateProcessedSize();

	// begin at index which wasn't processed previously
	size_t stSize = FilesGetSize();
	bool bIgnoreFolders = (GetStatus(ST_SPECIAL_MASK) & ST_IGNORE_DIRS) != 0;
	bool bForceDirectories = (GetStatus(ST_SPECIAL_MASK) & ST_FORCE_DIRS) != 0;
	const CDestPath& dpDestPath = GetDestPath();

	// create a buffer of size m_nBufferSize
	CUSTOM_COPY_PARAMS ccp;
	ccp.bProcessed = false;
	ccp.bOnlyCreate=(GetStatus(ST_SPECIAL_MASK) & ST_IGNORE_CONTENT) != 0;
	ccp.dbBuffer.Create(GetBufferSizes());
	ccp.pDestPath = &dpDestPath;

	// helpers
	DWORD dwLastError = 0;

	// log
	const BUFFERSIZES* pbs = ccp.dbBuffer.GetSizes();

	ictranslate::CFormat fmt;
	fmt.SetFormat(_T("Processing files/folders (ProcessFiles):\r\n\tOnlyCreate: %create\r\n\tBufferSize: [Def:%defsize, One:%onesize, Two:%twosize, CD:%cdsize, LAN:%lansize]\r\n\tFiles/folders count: %filecount\r\n\tIgnore Folders: %ignorefolders\r\n\tDest path: %dstpath\r\n\tCurrent index (0-based): %currindex"));
	fmt.SetParam(_t("%create"), ccp.bOnlyCreate);
	fmt.SetParam(_t("%defsize"), pbs->m_uiDefaultSize);
	fmt.SetParam(_t("%onesize"), pbs->m_uiOneDiskSize);
	fmt.SetParam(_t("%twosize"), pbs->m_uiTwoDisksSize);
	fmt.SetParam(_t("%cdsize"), pbs->m_uiCDSize);
	fmt.SetParam(_t("%lansize"), pbs->m_uiLANSize);
	fmt.SetParam(_t("%filecount"), stSize);
	fmt.SetParam(_t("%ignorefolders"), bIgnoreFolders);
	fmt.SetParam(_t("%dstpath"), dpDestPath.GetPath());
	fmt.SetParam(_t("%currindex"), GetCurrentIndex());

	m_log.logi(fmt);

	for (size_t i = GetCurrentIndex(); i < stSize; i++)
	{
		// should we kill ?
		if(m_workerThread.KillRequested())
		{
			// log
			m_log.logi(_T("Kill request while processing file in ProcessFiles"));
			throw new CProcessingException(E_KILL_REQUEST);
		}

		// update m_stCurrentIndex, getting current CFileInfo
		SetCurrentIndex(i);
		CFileInfoPtr spFileInfo = FilesGetAtCurrentIndex();

		// set dest path with filename
		ccp.strDstFile = spFileInfo->GetDestinationPath(dpDestPath.GetPath(), ((int)bForceDirectories) << 1 | (int)bIgnoreFolders);

		// are the files/folders lie on the same partition ?
		bool bMove=GetStatus(ST_OPERATION_MASK) == ST_MOVE;
		if(bMove && dpDestPath.GetDriveNumber() != -1 && dpDestPath.GetDriveNumber() == spFileInfo->GetDriveNumber() && spFileInfo->GetMove())
		{
			bool bRetry = true;
			if(bRetry && !MoveFile(spFileInfo->GetFullFilePath(), ccp.strDstFile))
			{
				dwLastError=GetLastError();
				//log
				fmt.SetFormat(_T("Error %errno while calling MoveFile %srcpath -> %dstpath (ProcessFiles)"));
				fmt.SetParam(_t("%errno"), dwLastError);
				fmt.SetParam(_t("%srcpath"), spFileInfo->GetFullFilePath());
				fmt.SetParam(_t("%dstpath"), ccp.strDstFile);
				m_log.loge(fmt);

				CString strSrcFile = spFileInfo->GetFullFilePath();
				CString strDstFile = ccp.strDstFile;
				FEEDBACK_FILEERROR ferr = { (PCTSTR)strSrcFile, (PCTSTR)strDstFile, eFastMoveError, dwLastError };
				CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
				switch(frResult)
				{
				case CFeedbackHandler::eResult_Cancel:
					throw new CProcessingException(E_CANCEL);
					break;
				case CFeedbackHandler::eResult_Retry:
					continue;
					break;
				case CFeedbackHandler::eResult_Pause:
					throw new CProcessingException(E_PAUSE);
					break;
				case CFeedbackHandler::eResult_Skip:
					bRetry = false;
					break;		// just do nothing
				default:
					BOOST_ASSERT(FALSE);		// unknown result
					throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
				}
			}
			else
				spFileInfo->SetFlags(FIF_PROCESSED, FIF_PROCESSED);
		}
		else
		{
			// if folder - create it
			if(spFileInfo->IsDirectory())
			{
				bool bRetry = true;
				if(bRetry && !CreateDirectory(ccp.strDstFile, NULL) && (dwLastError=GetLastError()) != ERROR_ALREADY_EXISTS )
				{
					// log
					fmt.SetFormat(_T("Error %errno while calling CreateDirectory %path (ProcessFiles)"));
					fmt.SetParam(_t("%errno"), dwLastError);
					fmt.SetParam(_t("%path"), ccp.strDstFile);
					m_log.loge(fmt);

					CString strFile = ccp.strDstFile;
					FEEDBACK_FILEERROR ferr = { (PCTSTR)strFile, NULL, eCreateError, dwLastError };
					CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_FileError, &ferr);
					switch(frResult)
					{
					case CFeedbackHandler::eResult_Cancel:
						throw new CProcessingException(E_CANCEL);
						break;
					case CFeedbackHandler::eResult_Retry:
						continue;
						break;
					case CFeedbackHandler::eResult_Pause:
						throw new CProcessingException(E_PAUSE);
						break;
					case CFeedbackHandler::eResult_Skip:
						bRetry = false;
						break;		// just do nothing
					default:
						BOOST_ASSERT(FALSE);		// unknown result
						throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
					}
				}

				m_localStats.IncreaseProcessedSize(spFileInfo->GetLength64());
				spFileInfo->SetFlags(FIF_PROCESSED, FIF_PROCESSED);
			}
			else
			{
				// start copying/moving file
				ccp.spSrcFile = spFileInfo;
				ccp.bProcessed = false;

				// kopiuj dane
				CustomCopyFile(&ccp);
				spFileInfo->SetFlags(ccp.bProcessed ? FIF_PROCESSED : 0, FIF_PROCESSED);

				// if moving - delete file (only if config flag is set)
				if(bMove && spFileInfo->GetFlags() & FIF_PROCESSED && !GetConfig().get_bool(PP_CMDELETEAFTERFINISHED))
				{
					if(!GetConfig().get_bool(PP_CMPROTECTROFILES))
						SetFileAttributes(spFileInfo->GetFullFilePath(), FILE_ATTRIBUTE_NORMAL);
					DeleteFile(spFileInfo->GetFullFilePath());	// there will be another try later, so I don't check
					// if succeeded
				}
			}

			// set a time
			if(GetConfig().get_bool(PP_CMSETDESTDATE))
				SetFileDirectoryTime(ccp.strDstFile, spFileInfo); // no error checking (but most probably it should be checked)

			// attributes
			if(GetConfig().get_bool(PP_CMSETDESTATTRIBUTES))
				SetFileAttributes(ccp.strDstFile, spFileInfo->GetAttributes());	// as above
		}
	}

	// delete buffer - it's not needed
	ccp.dbBuffer.Delete();

	// change status
	if(GetStatus(ST_OPERATION_MASK) == ST_MOVE)
	{
		SetStatus(ST_DELETING, ST_STEP_MASK);
		// set the index to 0 before deleting
		SetCurrentIndex(0);
	}
	else
	{
		SetStatus(ST_FINISHED, ST_STEP_MASK);

		// to look better - increase current index by 1
		SetCurrentIndex(stSize);
	}
	// log
	m_log.logi(_T("Finished processing in ProcessFiles"));
}

void CTask::CheckForWaitState()
{
	// limiting operation count
	SetStatus(ST_WAITING, ST_WAITING_MASK);
	bool bContinue = false;
	while(!bContinue)
	{
		if(CanBegin())
		{
			SetStatus(0, ST_WAITING);
			bContinue=true;

			m_log.logi(_T("Finished waiting for begin permission"));

			//			return; // skips sleep and kill flag checking
		}

		Sleep(50);	// not to make it too hard for processor

		if(m_workerThread.KillRequested())
		{
			// log
			m_log.logi(_T("Kill request while waiting for begin permission (wait state)"));
			throw new CProcessingException(E_KILL_REQUEST);
		}
	}
}

DWORD WINAPI CTask::DelegateThreadProc(LPVOID pParam)
{
	BOOST_ASSERT(pParam);
	if(!pParam)
		return 1;

	CTask* pTask = (CTask*)pParam;
	return pTask->ThrdProc();
}

DWORD CTask::ThrdProc()
{
	tstring_t strPath = GetTaskPath();
	strPath += GetUniqueName()+_T(".log");

	m_log.init(strPath.c_str(), 262144, icpf::log_file::level_debug, false, false);

	OnBeginOperation();

	// set thread boost
	HANDLE hThread=GetCurrentThread();
	::SetThreadPriorityBoost(hThread, GetConfig().get_bool(PP_CMDISABLEPRIORITYBOOST));

	ictranslate::CFormat fmt;
	try
	{
		// to make the value stable
		bool bReadTasksSize = GetConfig().get_bool(PP_CMREADSIZEBEFOREBLOCKING);

		if(!bReadTasksSize)
			CheckForWaitState();	// operation limiting

		// start tracking time
		m_localStats.EnableTimeTracking();

		// search for files if needed
		if((GetStatus(ST_STEP_MASK) == ST_NULL_STATUS || GetStatus(ST_STEP_MASK) == ST_SEARCHING))
		{
			// get rid of info about processed sizes
			m_localStats.SetProcessedSize(0);
			m_localStats.SetTotalSize(0);

			// start searching
			RecurseDirectories();
		}

		// check for free space
		ull_t ullNeededSize = 0, ullAvailableSize = 0;
		bool bRetry = false;

		do
		{
			bRetry = false;

			m_log.logi(_T("Checking for free space on destination disk..."));

			if(!GetRequiredFreeSpace(&ullNeededSize, &ullAvailableSize))
			{
				fmt.SetFormat(_T("Not enough free space on disk - needed %needsize bytes for data, available: %availablesize bytes."));
				fmt.SetParam(_t("%needsize"), ullNeededSize);
				fmt.SetParam(_t("%availablesize"), ullAvailableSize);
				m_log.logw(fmt);

				if(GetClipboardDataSize() > 0)
				{
					CString strSrcPath = GetClipboardData(0)->GetPath();
					CString strDstPath = GetDestPath().GetPath();
					FEEDBACK_NOTENOUGHSPACE feedStruct = { ullNeededSize, (PCTSTR)strSrcPath, (PCTSTR)strDstPath };
					CFeedbackHandler::EFeedbackResult frResult = (CFeedbackHandler::EFeedbackResult)m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_NotEnoughSpace, &feedStruct);

					// default
					switch (frResult)
					{
					case CFeedbackHandler::eResult_Cancel:
						{
							m_log.logi(_T("Cancel request while checking for free space on disk."));
							throw new CProcessingException(E_CANCEL);
							break;
						}
					case CFeedbackHandler::eResult_Retry:
						m_log.logi(_T("Retrying to read drive's free space..."));
						bRetry = true;
						break;
					case CFeedbackHandler::eResult_Skip:
						m_log.logi(_T("Ignored warning about not enough place on disk to copy data."));
						break;
					default:
						BOOST_ASSERT(FALSE);		// unknown result
						throw new CProcessingException(E_ERROR, 0, _t("Unknown feedback result type"));
						break;
					}
				}
			}
		}
		while(bRetry);

		if(bReadTasksSize)
		{
			m_localStats.DisableTimeTracking();

			CheckForWaitState();

			m_localStats.EnableTimeTracking();
		}

		// Phase II - copying/moving
		if(GetStatus(ST_STEP_MASK) == ST_COPYING)
		{
			// decrease processed in ctaskarray - the rest will be done in ProcessFiles
			//m_rtGlobalStats.DecreaseGlobalProcessedSize(GetProcessedSize());
			ProcessFiles();
		}

		// deleting data - III phase
		if(GetStatus(ST_STEP_MASK) == ST_DELETING)
			DeleteFiles();

		// refresh time
		m_localStats.DisableTimeTracking();

		// save progress before killed
		Store(false);

		// we are ending
		m_localStats.MarkTaskAsNotRunning();

		// play sound
		m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_OperationFinished, NULL);

		OnEndOperation();
	}
	catch(CProcessingException* e)
	{
		// refresh time
		m_localStats.DisableTimeTracking();

		// log
		fmt.SetFormat(_T("Caught exception in ThrdProc [last error: %errno, type: %type]"));
		fmt.SetParam(_t("%errno"), e->m_dwError);
		fmt.SetParam(_t("%type"), e->m_iType);
		m_log.loge(fmt);

		if(e->m_iType == E_ERROR)
			m_piFeedbackHandler->RequestFeedback(CFeedbackHandler::eFT_OperationError, NULL);

		// perform some adjustments depending on exception type
		switch(e->m_iType)
		{
		case E_ERROR:
			SetStatus(ST_ERROR, ST_WORKING_MASK);
			break;
		case E_CANCEL:
			SetStatus(ST_CANCELLED, ST_STEP_MASK);
			break;
		case E_PAUSE:
			SetStatus(ST_PAUSED, ST_PAUSED);
			break;
		}

		// change flags and calls cleanup for a task
		switch(GetStatus(ST_STEP_MASK))
		{
		case ST_NULL_STATUS:
		case ST_SEARCHING:
			// get rid of m_files contents
			FilesRemoveAll();

			// save state of a task
			Store(true);
			Store(false);

			break;
		case ST_COPYING:
		case ST_DELETING:
			Store(false);
			break;
		}

		if(GetStatus(ST_WAITING_MASK) & ST_WAITING)
			SetStatus(0, ST_WAITING);

		m_localStats.MarkTaskAsNotRunning();
		SetContinueFlag(false);
		SetForceFlag(false);

		OnEndOperation();

		delete e;

		return 0xffffffff;	// almost like -1
	}

	return 0;
}

void CTask::OnBeginOperation()
{
	CTime tm=CTime::GetCurrentTime();

	ictranslate::CFormat fmt;
	fmt.SetFormat(_T("\r\n# COPYING THREAD STARTED #\r\nBegan processing data (dd:mm:yyyy) %day.%month.%year at %hour:%minute.%second"));
	fmt.SetParam(_t("%year"), tm.GetYear());
	fmt.SetParam(_t("%month"), tm.GetMonth());
	fmt.SetParam(_t("%day"), tm.GetDay());
	fmt.SetParam(_t("%hour"), tm.GetHour());
	fmt.SetParam(_t("%minute"), tm.GetMinute());
	fmt.SetParam(_t("%second"), tm.GetSecond());
	m_log.logi(fmt);
}

void CTask::OnEndOperation()
{
	CTime tm=CTime::GetCurrentTime();

	ictranslate::CFormat fmt;
	fmt.SetFormat(_T("Finished processing data (dd:mm:yyyy) %day.%month.%year at %hour:%minute.%second"));
	fmt.SetParam(_t("%year"), tm.GetYear());
	fmt.SetParam(_t("%month"), tm.GetMonth());
	fmt.SetParam(_t("%day"), tm.GetDay());
	fmt.SetParam(_t("%hour"), tm.GetHour());
	fmt.SetParam(_t("%minute"), tm.GetMinute());
	fmt.SetParam(_t("%second"), tm.GetSecond());
	m_log.logi(fmt);
}

void CTask::RequestStopThread()
{
	m_workerThread.SignalThreadToStop();
}

////////////////////////////////////////////////////////////////////////////////
// CTaskArray members
CTaskArray::CTaskArray() :
	m_piFeedbackFactory(NULL),
	m_stNextSessionUniqueID(NO_TASK_SESSION_UNIQUE_ID + 1)
{
}

CTaskArray::~CTaskArray()
{
	// NOTE: do not delete the feedback factory, since we are not responsible for releasing it
}

void CTaskArray::Create(chcore::IFeedbackHandlerFactory* piFeedbackHandlerFactory)
{
	BOOST_ASSERT(piFeedbackHandlerFactory);
	
	m_piFeedbackFactory = piFeedbackHandlerFactory;
}

CTaskPtr CTaskArray::CreateTask()
{
	BOOST_ASSERT(m_piFeedbackFactory);
	if(!m_piFeedbackFactory)
		return CTaskPtr();
	
	chcore::IFeedbackHandler* piHandler = m_piFeedbackFactory->Create();
	if(!piHandler)
		return CTaskPtr();

	BOOST_ASSERT(m_stNextSessionUniqueID != NO_TASK_SESSION_UNIQUE_ID);
	CTaskPtr spTask(boost::make_shared<CTask>(piHandler, m_stNextSessionUniqueID++));

	// NO_TASK_SESSION_UNIQUE_ID is a special value so it should not be used to identify tasks
	if(m_stNextSessionUniqueID == NO_TASK_SESSION_UNIQUE_ID)
		++m_stNextSessionUniqueID;

	return spTask;
}

size_t CTaskArray::GetSize() const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	return m_vTasks.size();
}

CTaskPtr CTaskArray::GetAt(size_t nIndex) const
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	
	_ASSERTE(nIndex >= 0 && nIndex < m_vTasks.size());
	if(nIndex >= m_vTasks.size())
		THROW(_t("Invalid argument"), 0, 0, 0);
	
	return m_vTasks.at(nIndex);
}

CTaskPtr CTaskArray::GetTaskBySessionUniqueID(size_t stSessionUniqueID) const
{
	if(stSessionUniqueID == NO_TASK_SESSION_UNIQUE_ID)
		return CTaskPtr();

	CTaskPtr spFoundTask;

	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(const CTaskPtr& spTask, m_vTasks)
	{
		if(spTask->GetSessionUniqueID() == stSessionUniqueID)
		{
			spFoundTask = spTask;
			break;
		}
	}
	
	return spFoundTask;
}

size_t CTaskArray::Add(const CTaskPtr& spNewTask)
{
	if(!spNewTask)
		THROW(_t("Invalid argument"), 0, 0, 0);
	
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	// here we know load succeeded
	spNewTask->SetTaskPath(m_strTasksDir.c_str());
	
	m_vTasks.push_back(spNewTask);

	spNewTask->OnRegisterTask(m_globalStats);

	return m_vTasks.size() - 1;
}

void CTaskArray::RemoveAt(size_t stIndex, size_t stCount)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	
	_ASSERTE(stIndex >= m_vTasks.size() || stIndex + stCount > m_vTasks.size());
	if(stIndex >= m_vTasks.size() || stIndex + stCount > m_vTasks.size())
		THROW(_t("Invalid argument"), 0, 0, 0);
	
	for(std::vector<CTaskPtr>::iterator iterTask = m_vTasks.begin() + stIndex; iterTask != m_vTasks.begin() + stIndex + stCount; ++iterTask)
	{
		CTaskPtr& spTask = *iterTask;
		
		// kill task if needed
		spTask->KillThread();

		spTask->OnUnregisterTask();
	}

	// remove elements from array
	m_vTasks.erase(m_vTasks.begin() + stIndex, m_vTasks.begin() + stIndex + stCount);
}

void CTaskArray::RemoveAll()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	StopAllTasksNL();

	m_vTasks.clear();
}

void CTaskArray::RemoveAllFinished()
{
	std::vector<CTaskPtr> vTasksToRemove;

	m_lock.lock();
	
	size_t stIndex = m_vTasks.size();
	while(stIndex--)
	{
		CTaskPtr spTask = m_vTasks.at(stIndex);
		
		// delete only when the thread is finished
		if((spTask->GetStatus(ST_STEP_MASK) == ST_FINISHED || spTask->GetStatus(ST_STEP_MASK) == ST_CANCELLED))
		{
			spTask->OnUnregisterTask();

			vTasksToRemove.push_back(spTask);
			m_vTasks.erase(m_vTasks.begin() + stIndex);
		}
	}
	
	m_lock.unlock();

	BOOST_FOREACH(CTaskPtr& spTask, vTasksToRemove)
	{
		// delete associated files
		spTask->DeleteProgress(m_strTasksDir.c_str());
	}
}

void CTaskArray::RemoveFinished(const CTaskPtr& spSelTask)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	
	// this might be optimized by copying tasks to a local table in critical section, and then deleting progress files outside of the critical section
	for(std::vector<CTaskPtr>::iterator iterTask = m_vTasks.begin(); iterTask != m_vTasks.end(); ++iterTask)
	{
		CTaskPtr& spTask = *iterTask;
		
		if(spTask == spSelTask && (spTask->GetStatus(ST_STEP_MASK) == ST_FINISHED || spTask->GetStatus(ST_STEP_MASK) == ST_CANCELLED))
		{
			// kill task if needed
			spTask->KillThread();

			spTask->OnUnregisterTask();

			// delete associated files
			spTask->DeleteProgress(m_strTasksDir.c_str());
			
			m_vTasks.erase(iterTask);
			
			return;
		}
	}
}

void CTaskArray::StopAllTasks()
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	
	StopAllTasksNL();
}

void CTaskArray::ResumeWaitingTasks(size_t stMaxRunningTasks)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);

	if(stMaxRunningTasks == 0 || m_globalStats.GetRunningTasksCount() < stMaxRunningTasks)
	{
		BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
		{
			// turn on some thread - find something with wait state
			if(spTask->GetStatus(ST_WAITING_MASK) & ST_WAITING && (stMaxRunningTasks == 0 || m_globalStats.GetRunningTasksCount() < stMaxRunningTasks))
			{
				spTask->m_localStats.MarkTaskAsRunning();
				spTask->SetContinueFlagNL(true);
			}
		}
	}
}

void CTaskArray::SaveData()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->Store(true);
	}
}

void CTaskArray::SaveProgress()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->Store(false);
	}
}

void CTaskArray::LoadDataProgress()
{
	CFileFind finder;
	CTaskPtr spTask;
	CString strPath;
	
	BOOL bWorking=finder.FindFile(CString(m_strTasksDir.c_str())+_T("*.atd"));
	while(bWorking)
	{
		bWorking = finder.FindNextFile();
		
		// load data
		spTask = CreateTask();
		try
		{
			strPath = finder.GetFilePath();
			
			spTask->Load(strPath, true);
			
			strPath = strPath.Left(strPath.GetLength() - 4);
			strPath += _T(".atp");
			
			spTask->Load(strPath, false);
			
			// add read task to array
			Add(spTask);
		}
		catch(std::exception& e)
		{
			CString strFmt;
			strFmt.Format(_T("Cannot load task data: %s (reason: %S)"), strPath, e.what());
			LOG_ERROR(strFmt);
		}
		catch(icpf::exception& e)
		{
			tchar_t szBuffer[65536];
			e.get_info(szBuffer, 65536);
			szBuffer[65535] = _T('\0');

			CString strFmt;
			strFmt.Format(_T("Cannot load task data: %s (reason: %s)"), strPath, szBuffer);
			LOG_ERROR(strFmt);
		}
	}
	finder.Close();
}

void CTaskArray::TasksBeginProcessing()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->BeginProcessing();
	}
}

void CTaskArray::TasksPauseProcessing()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->PauseProcessing();
	}
}

void CTaskArray::TasksResumeProcessing()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->ResumeProcessing();
	}
}

void CTaskArray::TasksRestartProcessing()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->RestartProcessing();
	}
}

bool CTaskArray::TasksRetryProcessing()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	bool bChanged=false;
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		if(spTask->RetryProcessing())
			bChanged = true;
	}
	
	return bChanged;
}

void CTaskArray::TasksCancelProcessing()
{
	boost::shared_lock<boost::shared_mutex> lock(m_lock);
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->CancelProcessing();
	}
}

ull_t CTaskArray::GetPosition()
{
	return m_globalStats.GetGlobalProcessedSize();
}

ull_t CTaskArray::GetRange()
{
	return m_globalStats.GetGlobalTotalSize();
}

int CTaskArray::GetPercent()
{
	return m_globalStats.GetProgressPercents();
}

bool CTaskArray::AreAllFinished()
{
	bool bFlag=true;
	UINT uiStatus;
	
	if(m_globalStats.GetRunningTasksCount() != 0)
		bFlag = false;
	else
	{
		boost::shared_lock<boost::shared_mutex> lock(m_lock);
		BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
		{
			uiStatus = spTask->GetStatus();
			bFlag = ((uiStatus & ST_STEP_MASK) == ST_FINISHED || (uiStatus & ST_STEP_MASK) == ST_CANCELLED
				|| (uiStatus & ST_WORKING_MASK) == ST_PAUSED
				|| ((uiStatus & ST_WORKING_MASK) == ST_ERROR));

			if(!bFlag)
				break;
		}
	}
	
	return bFlag;
}

void CTaskArray::SetTasksDir(const tchar_t* pszPath)
{
	boost::unique_lock<boost::shared_mutex> lock(m_lock);
	m_strTasksDir = pszPath;
}

void CTaskArray::StopAllTasksNL()
{
	// kill all unfinished tasks - send kill request
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->RequestStopThread();
	}
	
	// wait for finishing
	BOOST_FOREACH(CTaskPtr& spTask, m_vTasks)
	{
		spTask->KillThread();
	}
}