//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / http://www.emule-project.net )
//
//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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "stdafx.h"
#include "emule.h"
#include <zlib/zlib.h>
#include "UpDownClient.h"
#include "UrlClient.h"
#include "Opcodes.h"
#include "Packets.h"
#include "UploadQueue.h"
#include "Statistics.h"
#include "ClientList.h"
#include "ClientUDPSocket.h"
#include "SharedFileList.h"
#include "KnownFileList.h"
#include "PartFile.h"
#include "ClientCredits.h"
#include "ListenSocket.h"
#include "PeerCacheSocket.h"
#include "Sockets.h"
#include "OtherFunctions.h"
#include "SafeFile.h"
#include "DownloadQueue.h"
#include "emuledlg.h"
#include "TransferWnd.h"
#include "Log.h"
#include "Collection.h"

// Contrib - ClientAnalyzer
#ifdef CLIENTANALYZER
#include "./AntiLeech/ClientAnalyzer.h" //>>> WiZaRd::ClientAnalyzer
#endif
// <-------- ClientAnalyzer

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


//	members of CUpDownClient
//	which are mainly used for uploading functions 

CBarShader CUpDownClient::s_UpStatusBar(16);

void CUpDownClient::DrawUpStatusBar(CDC* dc, RECT* rect, bool onlygreyrect, bool  bFlat) const
{
    COLORREF crNeither;
	COLORREF crNextSending;
	COLORREF crBoth;
	COLORREF crSending;

    if(GetSlotNumber() <= theApp.uploadqueue->GetActiveUploadsCount() ||
       (GetUploadState() != US_UPLOADING && GetUploadState() != US_CONNECTING) ) {
        crNeither = RGB(224, 224, 224);
	    crNextSending = RGB(255,208,0);
	    crBoth = bFlat ? RGB(0, 0, 0) : RGB(104, 104, 104);
	    crSending = RGB(0, 150, 0);
    } else {
        // grayed out
        crNeither = RGB(248, 248, 248);
	    crNextSending = RGB(255,244,191);
	    crBoth = bFlat ? RGB(191, 191, 191) : RGB(191, 191, 191);
	    crSending = RGB(191, 229, 191);
    }

	// wistily: UpStatusFix

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
	CKnownFile* currequpfile = theApp.sharedfiles->GetFileByID(requpfileid);
	*/
	CKnownFile* currequpfile = CheckAndGetReqUpFile();
// <-------- optimization requpfile

	EMFileSize filesize;
	if (currequpfile)
		filesize = currequpfile->GetFileSize();
	else
		filesize = (uint64)(PARTSIZE * (uint64)m_nUpPartCount);
	// wistily: UpStatusFix

// Contrib - Client Percentage
	uint16 CompleteParts = 0; // NEO: MOD - [Percentage] <-- Xanatos --
// <-------- Client Percentage

    if(filesize > (uint64)0) {
	    s_UpStatusBar.SetFileSize(filesize); 
	    s_UpStatusBar.SetHeight(rect->bottom - rect->top); 
	    s_UpStatusBar.SetWidth(rect->right - rect->left); 
	    s_UpStatusBar.Fill(crNeither); 
	    if (!onlygreyrect && m_abyUpPartStatus) { 
		    for (UINT i = 0; i < m_nUpPartCount; i++)
			    if (m_abyUpPartStatus[i])
				{
				    s_UpStatusBar.FillRange(PARTSIZE*(uint64)(i), PARTSIZE*(uint64)(i+1), crBoth);

// Contrib - Client Percentage
					CompleteParts ++; // NEO: MOD - [Percentage] <-- Xanatos --
// <-------- Client Percentage

				}
	    }
	    const Requested_Block_Struct* block;
	    if (!m_BlockRequests_queue.IsEmpty()){
		    block = m_BlockRequests_queue.GetHead();
		    if(block){
			    uint32 start = (uint32)(block->StartOffset/PARTSIZE);
			    s_UpStatusBar.FillRange((uint64)start*PARTSIZE, (uint64)(start+1)*PARTSIZE, crNextSending);
		    }
	    }
	    if (!m_DoneBlocks_list.IsEmpty()){
		    block = m_DoneBlocks_list.GetHead();
		    if(block){
			    uint32 start = (uint32)(block->StartOffset/PARTSIZE);
			    s_UpStatusBar.FillRange((uint64)start*PARTSIZE, (uint64)(start+1)*PARTSIZE, crNextSending);
		    }
	    }
	    if (!m_DoneBlocks_list.IsEmpty()){
		    for(POSITION pos=m_DoneBlocks_list.GetHeadPosition();pos!=0;){
			    block = m_DoneBlocks_list.GetNext(pos);
			    s_UpStatusBar.FillRange(block->StartOffset, block->EndOffset + 1, crSending);
		    }
	    }
   	    s_UpStatusBar.Draw(dc, rect->left, rect->top, bFlat);
    }

// Contrib - Client Percentage
	// NEO: MOD - [Percentage] -- Xanatos -->
	if(thePrefs.GetShowClientPercentage() && m_nUpPartCount)
	{
		float percent = 100.0f * CompleteParts / m_nUpPartCount;

// By Taz - fix more than 1 part
//		if(percent > 0.05f)
		if(percent > 0.0f)
// <------- fix

		{
			CString buffer;
			COLORREF oldclr = dc->SetTextColor(RGB(0,0,0));
			int iOMode = dc->SetBkMode(TRANSPARENT);
			buffer.Format(L"%.1f%%", percent);
			CFont *pOldFont = dc->SelectObject(&theApp.emuledlg->transferwnd->downloadlistctrl.m_fontSmall);

			#define DLC_DT_TEXT (DT_LEFT|DT_SINGLELINE|DT_VCENTER|DT_NOPREFIX|DT_END_ELLIPSIS)
			OffsetRect(rect, -1,0);
			dc->DrawText(buffer, buffer.GetLength(), rect, (DLC_DT_TEXT & ~DT_LEFT) | DT_CENTER);
			OffsetRect(rect, 2,0);
			dc->DrawText(buffer, buffer.GetLength(), rect, (DLC_DT_TEXT & ~DT_LEFT) | DT_CENTER);
			OffsetRect(rect, -1,-1);
			dc->DrawText(buffer, buffer.GetLength(), rect, (DLC_DT_TEXT & ~DT_LEFT) | DT_CENTER);
			OffsetRect(rect, 0,2);
			dc->DrawText(buffer, buffer.GetLength(), rect, (DLC_DT_TEXT & ~DT_LEFT) | DT_CENTER);
			OffsetRect(rect, 0,-1);
			dc->SetTextColor(RGB(230,230,230));
			dc->DrawText(buffer, buffer.GetLength(), rect, (DLC_DT_TEXT & ~DT_LEFT) | DT_CENTER);

			dc->SelectObject(pOldFont);
			dc->SetBkMode(iOMode);
			dc->SetTextColor(oldclr);
		}
	}
	// NEO: MOD END <-- Xanatos --
// <-------- Client Percentage

} 

void CUpDownClient::SetUploadState(EUploadState eNewState)
{
	if (eNewState != m_nUploadState)
	{
		if (m_nUploadState == US_UPLOADING)
		{
			// Reset upload data rate computation
			m_nUpDatarate = 0;
			m_nSumForAvgUpDataRate = 0;
			m_AvarageUDR_list.RemoveAll();
		}
		if (eNewState == US_UPLOADING)
			m_fSentOutOfPartReqs = 0;

		// don't add any final cleanups for US_NONE here
		m_nUploadState = (_EUploadState)eNewState;
		theApp.emuledlg->transferwnd->clientlistctrl.RefreshClient(this);
	}
}

/**
 * Gets the queue score multiplier for this client, taking into consideration client's credits
 * and the requested file's priority.
 */
float CUpDownClient::GetCombinedFilePrioAndCredit() {
	if (credits == 0){
		ASSERT ( IsKindOf(RUNTIME_CLASS(CUrlClient)) );
		return 0.0F;
	}

// Contrib - ClientAnalyzer
//>>> WiZaRd::ClientAnalyzer
#ifdef CLIENTANALYZER
	switch(thePrefs.UseCreditSystem())
	{
		case 1:		
			return 10.0f * credits->GetScoreRatio(GetIP()) * (float)GetFilePrioAsNumber();
		case 2:
			if(pAntiLeechData)
				return 10.0f * pAntiLeechData->GetScore() * (float)GetFilePrioAsNumber();
		default: //no antileech data? flow over to "no credit system"
		case 0: //no credits system selected... so why should they boost be applied?!
			return 10.0f * /*credits->GetScoreRatio(GetIP()) **/ (float)GetFilePrioAsNumber();
	}
//<<< WiZaRd::ClientAnalyzer
// <-------- ClientAnalyzer

#else
    return 10.0f * credits->GetScoreRatio(GetIP()) * (float)GetFilePrioAsNumber();
#endif
}

/**
 * Gets the file multiplier for the file this client has requested.
 */
int CUpDownClient::GetFilePrioAsNumber() const {

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
	CKnownFile* currequpfile = theApp.sharedfiles->GetFileByID(requpfileid);
	*/
	CKnownFile* currequpfile = CheckAndGetReqUpFile();
// <-------- optimization requpfile

	if(!currequpfile)
		return 0;
	
	// TODO coded by tecxx & herbert, one yet unsolved problem here:
	// sometimes a client asks for 2 files and there is no way to decide, which file the 
	// client finally gets. so it could happen that he is queued first because of a 
	// high prio file, but then asks for something completely different.
	int filepriority = 10; // standard

// Contrib - SUQWT
	// ==> SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
	if (theApp.clientcredits->IsSaveUploadQueueWaitTime()){

	switch(currequpfile->GetUpPriority()){
		case PR_VERYHIGH:
//			filepriority = 18;
			filepriority = 27;  // 18, 50% boost    <-- SUQWT - original values commented.
			break;
		case PR_HIGH:
//			filepriority = 9;
			filepriority = 12;  // 9, 33% boost
			break;
		case PR_LOW:
//			filepriority = 6;
			filepriority = 5;   // 6, 17% reduction
			break;
		case PR_VERYLOW:
//			filepriority = 2;
			filepriority = 2;   // 2, no change
			break;
		case PR_NORMAL:
			default:
//			filepriority = 7;
			filepriority = 8;   // 7, 14% boost
		break;
	}
	}

		// <-- Moonlight: SUQWT
// <-------- SUQWT

	else{

	switch(currequpfile->GetUpPriority()){
		case PR_VERYHIGH:
			filepriority = 18;
			break;
		case PR_HIGH: 
			filepriority = 9; 
			break; 
		case PR_LOW: 
			filepriority = 6; 
			break; 
		case PR_VERYLOW:
			filepriority = 2;
			break;
		case PR_NORMAL: 
			default: 
			filepriority = 7; 
		break; 
	} 

	}
    return filepriority;
}

/**
 * Gets the current waiting score for this client, taking into consideration waiting
 * time, priority of requested file, and the client's credits.
 */
uint32 CUpDownClient::GetScore(bool sysvalue, bool isdownloading, bool onlybasevalue) const
{

// Contrib - optimization
//Xman Code Improvement
/*
	if (!m_pszUsername)
*/
	if (m_pszUsername == NULL || GetUploadFileID() == NULL)
// <-------- optimization

		return 0;

	if (credits == 0){
		ASSERT ( IsKindOf(RUNTIME_CLASS(CUrlClient)) );
		return 0;
	}

// Contrib - optimization
//Xman Code Improvement - moved down

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
//	CKnownFile* currequpfile = theApp.sharedfiles->GetFileByID(requpfileid);
	*/
//	CKnownFile* currequpfile = CheckAndGetReqUpFile();
// <-------- optimization requpfile

//	if(!currequpfile)
//		return 0;
// <-------- optimization

	// bad clients (see note in function)
	if (credits->GetCurrentIdentState(GetIP()) == IS_IDBADGUY)
		return 0;

// Contrib - optimization
//Xman Code Improvement - moved here

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
	CKnownFile* currequpfile = theApp.sharedfiles->GetFileByID(requpfileid);
	*/
	CKnownFile* currequpfile = CheckAndGetReqUpFile();
// <-------- optimization requpfile

	if(!currequpfile)
		return 0;
// <-------- optimization

	// friend slot
	if (IsFriend() && GetFriendSlot() && !HasLowID())
		return 0x0FFFFFFF;

// Contrib - optimization
//Xman Code Improvement
/*
	if (IsBanned() || m_bGPLEvildoer)
*/

// Contrib - ClientAnalyzer
//>>> WiZaRd::More GPLEvilDoers
#ifdef CLIENTANALYZER
	if (sysvalue && HasLowID() && !(socket && socket->IsConnected()))
		return 0;
/*
	if(m_bGPLEvilDoerNick || m_bGPLEvilDoerMod || IsBanned()) //>>> WiZaRd::More GPLEvilDoers
*/
	if (GetUploadState()==US_BANNED || m_bGPLEvilDoerNick || m_bGPLEvilDoerMod) //Xman Code Improvement
		return 0;
//<<< WiZaRd::More GPLEvilDoers
// <-------- ClientAnalyzer

#else
	if (GetUploadState()==US_BANNED || m_bGPLEvildoer) //Xman Code Improvement
		return 0;

	if (sysvalue && HasLowID() && !(socket && socket->IsConnected())){
		return 0;
	}
#endif
// <------- optimization

// Contrib - optimization
//>>> WiZaRd::Optimization
	//it's nonsense to get this value if we do not need it at all!
/*
    int filepriority = GetFilePrioAsNumber();
*/
//<<< WiZaRd::Optimization
// <-------- optimization

	// calculate score, based on waitingtime and other factors
	float fBaseValue;
	if (onlybasevalue)
		fBaseValue = 100;
	else if (!isdownloading)
		fBaseValue = (float)(::GetTickCount()-GetWaitStartTime())/1000;
	else{
		// we dont want one client to download forever
		// the first 15 min downloadtime counts as 15 min waitingtime and you get a 15 min bonus while you are in the first 15 min :)
		// (to avoid 20 sec downloads) after this the score won't raise anymore 
		fBaseValue = (float)(m_dwUploadTime-GetWaitStartTime());
		//ASSERT ( m_dwUploadTime-GetWaitStartTime() >= 0 ); //oct 28, 02: changed this from "> 0" to ">= 0" -> // 02-Okt-2006 []: ">=0" is always true!
		fBaseValue += (float)(::GetTickCount() - m_dwUploadTime > 900000)? 900000:1800000;
		fBaseValue /= 1000;
	}

// Contrib - ClientAnalyzer
#ifdef CLIENTANALYZER
//>>> WiZaRd::ClientAnalyzer
	switch(thePrefs.UseCreditSystem())
	{
		case 0:
			break;
		case 1:		
			fBaseValue *= credits->GetScoreRatio(GetIP());
			break;
		default:
		case 2:
			if(pAntiLeechData)
				fBaseValue *= pAntiLeechData->GetScore();
			else
			{
				ASSERT(0); //should never happen... flow over to default scoring
				fBaseValue *= credits->GetScoreRatio(GetIP());
			}
			break;
	}
//<<< WiZaRd::ClientAnalyzer
#else
// <-------- ClientAnalyzer

	if(thePrefs.UseCreditSystem())
	{
		float modif = credits->GetScoreRatio(GetIP());
		fBaseValue *= modif;
	}
#endif
	if (!onlybasevalue)
	{

// Contrib - One-queue-per-file
		// Maella -One-queue-per-file- (idea bloodymad)
		if(thePrefs.GetEnableMultiQueue())
		{
			// File Score
			// Remark: there is an overflow after ~49 days
			uint32 fileScore = currequpfile->GetFileScore(isdownloading ? GetUpStartTimeDelay() : 0); // about +1 point each second

// By Taz - PowerShare
			if (IsPowerShared())
				fileScore *= 2;
// <------- PowerShare

			// Final score
			// Remark: The whole timing of eMule should be rewritten.
			//         The rollover of the main timer (GetTickCount) is not supported.
			//         A logarithmic scale would fit better here, but it might be slower.
			uint32 runTime = (GetTickCount() - theStats.starttime) / 1000;
			if(runTime <= 2*3600)
				// Less than 2 hour
			{
				fBaseValue = 1000*fileScore + fBaseValue; // 1 second resolution
			}
			else
				fBaseValue = 1000*fileScore + fBaseValue/10; // 10 seconds resolution
		}
		else
// <-------- One-queue-per-file

		{

// Contrib - optimization
//>>> WiZaRd::Optimization
		//it's better to put that HERE instead!
		int filepriority = GetFilePrioAsNumber();
//<<< WiZaRd::Optimization
// <-------- optimization

		fBaseValue *= (float(filepriority)/10.0f);
		}
	}

	if( (IsEmuleClient() || this->GetClientSoft() < 10) && m_byEmuleVersion <= 0x19 )
		fBaseValue *= 0.5f;

// Contrib - fix
	//Xman Xtreme Mod : 80% score for non SI clients
	else if(credits->GetCurrentIdentState(GetIP()) != IS_IDENTIFIED)
		fBaseValue *= 0.8f;
	//Xman end
// <-------- fix

	return (uint32)fBaseValue;
}

class CSyncHelper
{
public:
	CSyncHelper()
	{
		m_pObject = NULL;
	}
	~CSyncHelper()
	{
		if (m_pObject)
			m_pObject->Unlock();
	}
	CSyncObject* m_pObject;
};

void CUpDownClient::CreateNextBlockPackage(){

// Contrib - optimization
//>>> WiZaRd::Improved Upload Caching
	//hmmm official code would upload @3.5kB/s to every client... that's about 15sec cache
	const uint32 cache = max(15*GetDatarate(), 150*1024);
//<<< WiZaRd::Improved Upload Caching
// <-------- optimization

    // See if we can do an early return. There may be no new blocks to load from disk and add to buffer, or buffer may be large enough allready.
    if(m_BlockRequests_queue.IsEmpty() || // There are no new blocks requested

// Contrib - optimization
//>>> WiZaRd::Improved Upload Caching
/*
       m_addedPayloadQueueSession > GetQueueSessionPayloadUp() && m_addedPayloadQueueSession-GetQueueSessionPayloadUp() > 50*1024) { // the buffered data is large enough allready
*/
		m_addedPayloadQueueSession > GetQueueSessionPayloadUp() && m_addedPayloadQueueSession-GetQueueSessionPayloadUp() > cache) { // the buffered data is large enough allready
//<<< WiZaRd::Improved Upload Caching
// <-------- optimization

        return;
    }

    CFile file;
	byte* filedata = 0;
	CString fullname;
	bool bFromPF = true; // Statistic to breakdown uploaded data by complete file vs. partfile.
	CSyncHelper lockFile;
	try{
        // Buffer new data if current buffer is less than 100 KBytes
        while (!m_BlockRequests_queue.IsEmpty() &&

/*
               (m_addedPayloadQueueSession <= GetQueueSessionPayloadUp() || m_addedPayloadQueueSession-GetQueueSessionPayloadUp() < 100*1024)) {
*/

// Contrib - optimization
//>>> WiZaRd::Improved Upload Caching
/*
               (m_addedPayloadQueueSession <= GetQueueSessionPayloadUp() || m_addedPayloadQueueSession-GetQueueSessionPayloadUp() < 100*1024)
*/
               (m_addedPayloadQueueSession <= GetQueueSessionPayloadUp() || m_addedPayloadQueueSession-GetQueueSessionPayloadUp() < 2*cache)
//<<< WiZaRd::Improved Upload Caching
// <-------- optimization


// Contrib - auto full chunk
			   && (/*GetFriendSlot() ||*/ GetRemainingUp() > 0)	// VQB: fullChunk
// <-------- auto full chunk

			   )
		{

			Requested_Block_Struct* currentblock = m_BlockRequests_queue.GetHead();
			CKnownFile* srcfile = theApp.sharedfiles->GetFileByID(currentblock->FileID);
			if (!srcfile)
				throw GetResString(IDS_ERR_REQ_FNF);

			if (srcfile->IsPartFile() && ((CPartFile*)srcfile)->GetStatus() != PS_COMPLETE){
				// Do not access a part file, if it is currently moved into the incoming directory.
				// Because the moving of part file into the incoming directory may take a noticable 
				// amount of time, we can not wait for 'm_FileCompleteMutex' and block the main thread.
				if (!((CPartFile*)srcfile)->m_FileCompleteMutex.Lock(0)){ // just do a quick test of the mutex's state and return if it's locked.
					return;
				}
				lockFile.m_pObject = &((CPartFile*)srcfile)->m_FileCompleteMutex;
				// If it's a part file which we are uploading the file remains locked until we've read the
				// current block. This way the file completion thread can not (try to) "move" the file into
				// the incoming directory.

				fullname = RemoveFileExtension(((CPartFile*)srcfile)->GetFullName());
			}
			else{
				fullname.Format(_T("%s\\%s"),srcfile->GetPath(),srcfile->GetFileName());
			}
		
			uint64 i64uTogo;
			if (currentblock->StartOffset > currentblock->EndOffset){
				i64uTogo = currentblock->EndOffset + (srcfile->GetFileSize() - currentblock->StartOffset);
			}
			else{
				i64uTogo = currentblock->EndOffset - currentblock->StartOffset;

// Contrib - SafeHash
				//MORPH START - Changed by SiRoB, SLUGFILLER: SafeHash
				/*
				if (srcfile->IsPartFile() && !((CPartFile*)srcfile)->IsComplete(currentblock->StartOffset,currentblock->EndOffset-1, true))
				*/
				if (srcfile->IsPartFile() && !((CPartFile*)srcfile)->IsRangeShareable(currentblock->StartOffset,currentblock->EndOffset-1))	// SLUGFILLER: SafeHash - final safety precaution
				//MORPH END  - Changed by SiRoB, SLUGFILLER: SafeHash
// <-------- SafeHash

					throw GetResString(IDS_ERR_INCOMPLETEBLOCK);
			}

			if( i64uTogo > EMBLOCKSIZE*3 )
				throw GetResString(IDS_ERR_LARGEREQBLOCK);
			uint32 togo = (uint32)i64uTogo;

// Contrib - auto full chunk
// VQB: fullChunk
			//with VQB fullChunk every client gets his max. upload "pre-assigned"
			//if this upload is used up he won't be sent more data until he gets removed
			//this creates a problem because the following check returns if the waitinglist is empty
			//but if a client already got his upload he will be stuck in upload and won't receive something
			//if (!GetFriendSlot())
			if(!theApp.uploadqueue->waitinglist.IsEmpty())
			{
				if (togo > m_nRemainingUp)	// SLUGFILLER - Transfer Session Clipping
					togo = m_nRemainingUp;
			}
// VQB: fullChunk
// <-------- auto full chunk

			if (!srcfile->IsPartFile()){
				bFromPF = false; // This is not a part file...
				if (!file.Open(fullname,CFile::modeRead|CFile::osSequentialScan|CFile::shareDenyNone))
					throw GetResString(IDS_ERR_OPEN);
				file.Seek(currentblock->StartOffset,0);
				
				filedata = new byte[togo+500];
				if (uint32 done = file.Read(filedata,togo) != togo){
					file.SeekToBegin();
					file.Read(filedata + done,togo-done);
				}
				file.Close();
			}
			else{
				CPartFile* partfile = (CPartFile*)srcfile;

				partfile->m_hpartfile.Seek(currentblock->StartOffset,0);
				
				filedata = new byte[togo+500];
				if (uint32 done = partfile->m_hpartfile.Read(filedata,togo) != togo){
					partfile->m_hpartfile.SeekToBegin();
					partfile->m_hpartfile.Read(filedata + done,togo-done);
				}
			}
			if (lockFile.m_pObject){
				lockFile.m_pObject->Unlock(); // Unlock the (part) file as soon as we are done with accessing it.
				lockFile.m_pObject = NULL;
			}

			SetUploadFileID(srcfile);

// Contrib - optimization
//>>> WiZaRd::Optimization
			bool compFlag = false;
			if (!IsUploadingToPeerCache() && m_byDataCompVer == 1)
			{
//<<< WiZaRd::Optimization
// <-------- optimization

			// check extension to decide whether to compress or not
			CString ext = srcfile->GetFileName();
			ext.MakeLower();
			int pos = ext.ReverseFind(_T('.'));
			if (pos>-1)
				ext = ext.Mid(pos);

// Contrib - optimization
//>>> WiZaRd::Optimization
/*
			bool compFlag = (ext!=_T(".zip") && ext!=_T(".cbz") && ext!=_T(".rar") && ext!=_T(".cbr") && ext!=_T(".ace") && ext!=_T(".ogm"));
*/
// Contrib - fix
//				compFlag = (ext!=_T(".zip") && ext!=_T(".cbz") && ext!=_T(".rar") && ext!=_T(".cbr") && ext!=_T(".ace") && ext!=_T(".ogm"));
				compFlag = (ext!=L".zip" && ext!=L".cbz" && ext!=L".rar" && ext!=L".cbr" && ext!=L".ace" && ext!=L".ogm"
							&& ext!=L".7z" && ext!=L".ape" && ext!=L".flac" && ext!=L".wv" && ext!=L".gz" && ext!=L".tgz" && ext!=L".arj" && ext!=L".bz2" && ext!=L".cab" && ext!=L".depot");
// <-------- fix

//<<< WiZaRd::Optimization
// <-------- optimization

			if (ext==_T(".avi") && thePrefs.GetDontCompressAvi())
				compFlag=false;

// Contrib - optimization
//>>> WiZaRd::Optimization
			}
/*
			if (!IsUploadingToPeerCache() && m_byDataCompVer == 1 && compFlag)
*/
			if (compFlag)
//<<< WiZaRd::Optimization
// <-------- optimization

				CreatePackedPackets(filedata,togo,currentblock,bFromPF);
			else
				CreateStandartPackets(filedata,togo,currentblock,bFromPF);
			
			// file statistic
			srcfile->statistic.AddTransferred(togo);

// Contrib - auto full chunk
// VQB: fullChunk
			if (togo < m_nRemainingUp)
				m_nRemainingUp -= togo;
			else
				m_nRemainingUp = 0;
// VQB: fullChunk
// <-------- auto full chunk

            m_addedPayloadQueueSession += togo;

			m_DoneBlocks_list.AddHead(m_BlockRequests_queue.RemoveHead());

// Contrib - One-queue-per-file
				// Maella -One-queue-per-file- (idea bloodymad)
				srcfile->UpdateStartUploadTime();
				// Maella end
// <-------- One-queue-per-file

			delete[] filedata;
			filedata = 0;
		}
	}
	catch(CString error)
	{
		if (thePrefs.GetVerbose())
			DebugLogWarning(GetResString(IDS_ERR_CLIENTERRORED), GetUserName(), error);
		theApp.uploadqueue->RemoveFromUploadQueue(this, _T("Client error: ") + error);

// Contrib - fix
// Xman / Maella ?
/*
		delete[] filedata;
*/
		if (filedata != (byte*)-2 && filedata != (byte*)-1 && filedata != NULL) {
			delete[] filedata;
			filedata = NULL;
		}
// <-------- fix

		return;
	}
	catch(CFileException* e)
	{

// Contrib - fix
		//Xman Reload shared files on filenotfound exception
		if( e->m_cause == CFileException::fileNotFound )
			theApp.sharedfiles->Reload();
		//Xman end
// <-------- fix

		TCHAR szError[MAX_CFEXP_ERRORMSG];
		e->GetErrorMessage(szError, ARRSIZE(szError));
		if (thePrefs.GetVerbose())
			DebugLogWarning(_T("Failed to create upload package for %s - %s"), GetUserName(), szError);
		theApp.uploadqueue->RemoveFromUploadQueue(this, ((CString)_T("Failed to create upload package.")) + szError);

// Contrib - fix
// Xman / Maella ?
/*
		delete[] filedata;
*/
		if (filedata != (byte*)-2 && filedata != (byte*)-1 && filedata != NULL) {
			delete[] filedata;
			filedata = NULL;
		}
// <------- fix

		e->Delete();
		return;
	}
}

// Contrib - better passive source finding
/*
bool CUpDownClient::ProcessExtendedInfo(CSafeMemFile* data, CKnownFile* tempreqfile)
*/
bool CUpDownClient::ProcessExtendedInfo(CSafeMemFile* data, CKnownFile* tempreqfile, bool isUDP) //Xman better passive source finding
// <-------- better passive source finding

{

// Contrib - fix
	if (m_abyUpPartStatus) //Fafner: missing? - 080325
// <-------- fix

	{
	delete[] m_abyUpPartStatus;
	m_abyUpPartStatus = NULL;
	}
	m_nUpPartCount = 0;
	m_nUpCompleteSourcesCount= 0;
	if (GetExtendedRequestsVersion() == 0)
		return true;

// Contrib - better passive source finding
	//Xman better passive source finding
	bool bPartsNeeded=false;
	bool shouldbechecked=isUDP && tempreqfile->IsPartFile()
		&& (((CPartFile*)tempreqfile)->GetStatus()==PS_EMPTY || ((CPartFile*)tempreqfile)->GetStatus()==PS_READY)
		&& !(GetDownloadState()==DS_ONQUEUE && reqfile==tempreqfile)
		&& (droptime + HR2MS(3) < ::GetTickCount());
	//Xman end
// <-------- better passive source finding

	uint16 nED2KUpPartCount = data->ReadUInt16();
	if (!nED2KUpPartCount)
	{
		m_nUpPartCount = tempreqfile->GetPartCount();
		m_abyUpPartStatus = new uint8[m_nUpPartCount];
		memset(m_abyUpPartStatus, 0, m_nUpPartCount);
	}
	else
	{
		if (tempreqfile->GetED2KPartCount() != nED2KUpPartCount)
		{
			//We already checked if we are talking about the same file.. So if we get here, something really strange happened!
			m_nUpPartCount = 0;
			return false;
		}
		m_nUpPartCount = tempreqfile->GetPartCount();
		m_abyUpPartStatus = new uint8[m_nUpPartCount];
		uint16 done = 0;

// Contrib - ClientAnalyzer
#ifdef CLIENTANALYZER
		uint16 complcount = 0; //>>> WiZaRd::ClientAnalyzer
#endif
// <-------- ClientAnalyzer

		while (done != m_nUpPartCount)
		{
			uint8 toread = data->ReadUInt8();
			for (UINT i = 0; i != 8; i++)
			{
				m_abyUpPartStatus[done] = ((toread >> i) & 1) ? 1 : 0;
//				We may want to use this for another feature..
//				if (m_abyUpPartStatus[done] && !tempreqfile->IsComplete((uint64)done*PARTSIZE,((uint64)(done+1)*PARTSIZE)-1))
//					bPartsNeeded = true;

// Contrib - better passive source finding
				//Xman better passive source finding
				if (shouldbechecked && bPartsNeeded==false && m_abyUpPartStatus[done] && !((CPartFile*)tempreqfile)->IsComplete((uint64)done*PARTSIZE,((uint64)(done+1)*PARTSIZE)-1,false))
					bPartsNeeded = true;
				//Xman end
// <-------- better passive source finding

// Contrib - ClientAnalyzer
#ifdef CLIENTANALYZER
//>>> WiZaRd::ClientAnalyzer
				if(m_abyUpPartStatus[done])
					++complcount;
//<<< WiZaRd::ClientAnalyzer
#endif
// <-------- ClientAnalyzer

				done++;
				if (done == m_nUpPartCount)
					break;
			}
		}

// Contrib - ClientAnalyzer
#ifdef CLIENTANALYZER
//>>> WiZaRd::ClientAnalyzer
		if(pAntiLeechData)
		{
			if(complcount == m_nUpPartCount)
				pAntiLeechData->SetBadForThisSession(AT_FILEFAKER);
			else
				pAntiLeechData->ClearBadForThisSession(AT_FILEFAKER);
		}
//<<< WiZaRd::ClientAnalyzer
#endif
// <-------- ClientAnalyzer

	}
	if (GetExtendedRequestsVersion() > 1)
	{
		uint16 nCompleteCountLast = GetUpCompleteSourcesCount();
		uint16 nCompleteCountNew = data->ReadUInt16();
		SetUpCompleteSourcesCount(nCompleteCountNew);
		if (nCompleteCountLast != nCompleteCountNew)
			tempreqfile->UpdatePartsInfo();
	}
	theApp.emuledlg->transferwnd->queuelistctrl.RefreshClient(this);

// Contrib - optimization
	// Maella -Code Improvement-
	if(tempreqfile->IsPartFile() == true && m_nUpPartCount != 0){
		// Check if a source has now chunk that we can need
		POSITION pos = m_OtherNoNeeded_list.Find(tempreqfile);
		if(pos != NULL){
			for(uint16 i = 0; i < m_nUpPartCount; i++){
				if(m_abyUpPartStatus[i] != 0){
					const uint64 uStart = PARTSIZE*(uint64)i;
					const uint64 uEnd = ((uint64)tempreqfile->GetFileSize()-1 <= (uStart+PARTSIZE-1)) ? ((uint64)tempreqfile->GetFileSize()-1) : (uStart+PARTSIZE-1);
					if(((CPartFile*)tempreqfile)->IsComplete(uStart, uEnd, false) == false){
						// Swap source to the other list
						m_OtherNoNeeded_list.RemoveAt(pos);
						m_OtherRequests_list.AddHead((CPartFile*)tempreqfile);

						if (thePrefs.GetVerbose())
							AddDebugLogLine(false, _T("->a source has now parts available. %s, file: %s"), DbgGetClientInfo(), tempreqfile->GetFileName());
						//break;
						return true; //we are ready here
					}
				}
			}
		}
	}
	// Maella end
// <-------- optimization

// Contrib - better passive source finding
	//Xman better passive source finding
	//problem is: if a client just began to download a file, we receive an FNF
	//later, if it has some chunks we don't find it via passive source finding because
	//that works only on TCP-reask but not via UDP
	if(bPartsNeeded )
	{

// Contrib - until drop manager
		//the client was a NNS but isn't any more
/*
		if(GetDownloadState()==DS_NONEEDEDPARTS && reqfile==tempreqfile)
			TrigNextSafeAskForDownload(reqfile);
		else if(GetDownloadState()!=DS_ONQUEUE)
*/
		if (!(GetDownloadState()==DS_NONEEDEDPARTS && reqfile==tempreqfile) && GetDownloadState()!=DS_ONQUEUE)
// <------- until drop manager

		{
			//the client maybe isn't in our downloadqueue.. let's look if we should add the client
			if((credits && credits->GetScoreRatio(GetIP())>=1.8f && ((CPartFile*)tempreqfile)->GetSourceCount() < ((CPartFile*)tempreqfile)->GetMaxSources())
				|| ((CPartFile*)tempreqfile)->GetSourceCount() < ((CPartFile*)tempreqfile)->GetMaxSources()*0.8f + 1)
			{
					if(theApp.downloadqueue->CheckAndAddKnownSource((CPartFile*)tempreqfile,this, true))
						AddDebugLogLine(false, _T("->found new source on reask-ping: %s, file: %s"), DbgGetClientInfo(), tempreqfile->GetFileName());
			}
		}
		else
		{
			if (AddRequestForAnotherFile((CPartFile*)tempreqfile))
			{
				theApp.emuledlg->transferwnd->downloadlistctrl.AddSource((CPartFile*)tempreqfile,this,true);
				AddDebugLogLine(false, _T("->found new A4AF source on reask-ping: %s, file: %s"), DbgGetClientInfo(), tempreqfile->GetFileName());
			}
		}
	}
// <-------- better passive source finding

	return true;
}

void CUpDownClient::CreateStandartPackets(byte* data,uint32 togo, Requested_Block_Struct* currentblock, bool bFromPF){
	uint32 nPacketSize;
	CMemFile memfile((BYTE*)data,togo);
	if (togo > 10240) 
		nPacketSize = togo/(uint32)(togo/10240);
	else
		nPacketSize = togo;
	while (togo){
		if (togo < nPacketSize*2)
			nPacketSize = togo;
		ASSERT( nPacketSize );
		togo -= nPacketSize;

		uint64 statpos = (currentblock->EndOffset - togo) - nPacketSize;
		uint64 endpos = (currentblock->EndOffset - togo);
		if (IsUploadingToPeerCache())
		{
			if (m_pPCUpSocket == NULL){
				ASSERT(0);
				CString strError;
				strError.Format(_T("Failed to upload to PeerCache - missing socket; %s"), DbgGetClientInfo());
				throw strError;
			}
			CSafeMemFile dataHttp(10240);
			if (m_iHttpSendState == 0)
			{

// Contrib - optimization requpfile
				//MORPH - Changed by SiRoB, Optimization requpfile
				/*
				CKnownFile* srcfile = theApp.sharedfiles->GetFileByID(GetUploadFileID());
				*/
				CKnownFile* srcfile = CheckAndGetReqUpFile();
// <-------- optimization requpfile

				CStringA str;
				str.AppendFormat("HTTP/1.0 206\r\n");
				str.AppendFormat("Content-Range: bytes %I64u-%I64u/%I64u\r\n", currentblock->StartOffset, currentblock->EndOffset - 1, srcfile->GetFileSize());
				str.AppendFormat("Content-Type: application/octet-stream\r\n");
				str.AppendFormat("Content-Length: %u\r\n", (uint32)(currentblock->EndOffset - currentblock->StartOffset));
				str.AppendFormat("Server: eMule/%s\r\n", CStringA(theApp.m_strCurVersionLong));
				str.AppendFormat("\r\n");
				dataHttp.Write((LPCSTR)str, str.GetLength());
				theStats.AddUpDataOverheadFileRequest((UINT)dataHttp.GetLength());

				m_iHttpSendState = 1;
				if (thePrefs.GetDebugClientTCPLevel() > 0){
					DebugSend("PeerCache-HTTP", this, GetUploadFileID());
					Debug(_T("  %hs\n"), str);
				}
			}
			dataHttp.Write(data, nPacketSize);
			data += nPacketSize;

			if (thePrefs.GetDebugClientTCPLevel() > 1){
				DebugSend("PeerCache-HTTP data", this, GetUploadFileID());
				Debug(_T("  Start=%I64u  End=%I64u  Size=%u\n"), statpos, endpos, nPacketSize);
			}

			UINT uRawPacketSize = (UINT)dataHttp.GetLength();
			LPBYTE pRawPacketData = dataHttp.Detach();
			CRawPacket* packet = new CRawPacket((char*)pRawPacketData, uRawPacketSize, bFromPF);
			m_pPCUpSocket->SendPacket(packet, true, false, nPacketSize);
			free(pRawPacketData);
		}
		else
		{
			Packet* packet;
			if (statpos > 0xFFFFFFFF || endpos > 0xFFFFFFFF){
				packet = new Packet(OP_SENDINGPART_I64,nPacketSize+32, OP_EMULEPROT, bFromPF);
				md4cpy(&packet->pBuffer[0],GetUploadFileID());
				PokeUInt64(&packet->pBuffer[16], statpos);
				PokeUInt64(&packet->pBuffer[24], endpos);
				memfile.Read(&packet->pBuffer[32],nPacketSize);
				theStats.AddUpDataOverheadFileRequest(32);
			}
			else{
				packet = new Packet(OP_SENDINGPART,nPacketSize+24, OP_EDONKEYPROT, bFromPF);
				md4cpy(&packet->pBuffer[0],GetUploadFileID());
				PokeUInt32(&packet->pBuffer[16], (uint32)statpos);
				PokeUInt32(&packet->pBuffer[20], (uint32)endpos);
				memfile.Read(&packet->pBuffer[24],nPacketSize);
				theStats.AddUpDataOverheadFileRequest(24);
			}

			if (thePrefs.GetDebugClientTCPLevel() > 0){
				DebugSend("OP__SendingPart", this, GetUploadFileID());
				Debug(_T("  Start=%I64u  End=%I64u  Size=%u\n"), statpos, endpos, nPacketSize);
			}
			// put packet directly on socket
			
			socket->SendPacket(packet,true,false, nPacketSize);
		}
	}
}

void CUpDownClient::CreatePackedPackets(byte* data, uint32 togo, Requested_Block_Struct* currentblock, bool bFromPF){
	BYTE* output = new BYTE[togo+300];
	uLongf newsize = togo+300;
	UINT result = compress2(output, &newsize, data, togo, 9);
	if (result != Z_OK || togo <= newsize){
		delete[] output;
		CreateStandartPackets(data,togo,currentblock,bFromPF);
		return;
	}
	CMemFile memfile(output,newsize);
    uint32 oldSize = togo;
	togo = newsize;
	uint32 nPacketSize;
    if (togo > 10240) 
        nPacketSize = togo/(uint32)(togo/10240);
    else
        nPacketSize = togo;
    
    uint32 totalPayloadSize = 0;

    while (togo){
		if (togo < nPacketSize*2)
			nPacketSize = togo;
		ASSERT( nPacketSize );
		togo -= nPacketSize;
		uint64 statpos = currentblock->StartOffset;
		Packet* packet;
		if (currentblock->StartOffset > 0xFFFFFFFF || currentblock->EndOffset > 0xFFFFFFFF){
			packet = new Packet(OP_COMPRESSEDPART_I64,nPacketSize+28,OP_EMULEPROT,bFromPF);
			md4cpy(&packet->pBuffer[0],GetUploadFileID());
			PokeUInt64(&packet->pBuffer[16], statpos);
			PokeUInt32(&packet->pBuffer[24], newsize);
			memfile.Read(&packet->pBuffer[28],nPacketSize);

// Contrib - fix
			theStats.AddUpDataOverheadFileRequest(28); //Xman fix
// <-------- fix

		}
		else{
			packet = new Packet(OP_COMPRESSEDPART,nPacketSize+24,OP_EMULEPROT,bFromPF);
			md4cpy(&packet->pBuffer[0],GetUploadFileID());
			PokeUInt32(&packet->pBuffer[16], (uint32)statpos);
			PokeUInt32(&packet->pBuffer[20], newsize);
			memfile.Read(&packet->pBuffer[24],nPacketSize);

// Contrib - fix
			theStats.AddUpDataOverheadFileRequest(24); //Xman fix
// <-------- fix

		}

		if (thePrefs.GetDebugClientTCPLevel() > 0){
			DebugSend("OP__CompressedPart", this, GetUploadFileID());
			Debug(_T("  Start=%I64u  BlockSize=%u  Size=%u\n"), statpos, newsize, nPacketSize);
		}
        // approximate payload size
        uint32 payloadSize = nPacketSize*oldSize/newsize;

        if(togo == 0 && totalPayloadSize+payloadSize < oldSize) {
            payloadSize = oldSize-totalPayloadSize;
        }
        totalPayloadSize += payloadSize;

        // put packet directly on socket

// Contrib - Fix
//Xman fix: we have different sizes , moved up
/*
		theStats.AddUpDataOverheadFileRequest(24);
*/
// <-------- Fix

        socket->SendPacket(packet,true,false, payloadSize);
	}
	delete[] output;
}

void CUpDownClient::SetUploadFileID(CKnownFile* newreqfile)
{

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
	CKnownFile* oldreqfile;
	//We use the knownfilelist because we may have unshared the file..
	//But we always check the download list first because that person may have decided to redownload that file.
	//Which will replace the object in the knownfilelist if completed.
	if ((oldreqfile = theApp.downloadqueue->GetFileByID(requpfileid)) == NULL)
	*/
	CKnownFile* oldreqfile = requpfile;
	if (!theApp.downloadqueue->IsPartFile(requpfile))
// <-------- optimization requpfile

		oldreqfile = theApp.knownfiles->FindKnownFileByID(requpfileid);
	else
	{
		// In some _very_ rare cases it is possible that we have different files with the same hash in the downloadlist
		// as well as in the sharedlist (redownloading a unshared file, then resharing it before the first part has been downloaded)
		// to make sure that in no case a deleted client object is left on the list, we need to doublecheck
		// TODO: Fix the whole issue properly
		CKnownFile* pCheck = theApp.knownfiles->FindKnownFileByID(requpfileid);
		if (pCheck != NULL && pCheck != oldreqfile)
		{
			ASSERT( false );
			pCheck->RemoveUploadingClient(this);
		}
	}

	if (newreqfile == oldreqfile)
		return;

	// clear old status

// Contrib - fix
	if (m_abyUpPartStatus) //Fafner: missing? - 080325
// <-------- fix

	{
	delete[] m_abyUpPartStatus;
	m_abyUpPartStatus = NULL;
	}
	m_nUpPartCount = 0;
	m_nUpCompleteSourcesCount= 0;

	if (newreqfile)
	{
		newreqfile->AddUploadingClient(this);
		md4cpy(requpfileid, newreqfile->GetFileHash());
	}
	else
		md4clr(requpfileid);

// Contrib - optimization requpfile
	//MORPH START - Added by SiRoB, Optimization requpfile
	requpfile = newreqfile;
	requpfileid_lasttimeupdated = theApp.sharedfiles->GetLastTimeFileMapUpdated();
	//MORPH END   - Added by SiRoB, Optimization requpfile
// <-------- optimization requpfile

	if (oldreqfile)
	{
		oldreqfile->RemoveUploadingClient(this);

// Contrib - fix
		ClearUploadBlockRequests(); //MORPH - Added by SiRoB, Fix Filtered Block Request
// <-------- fix

	}
}

void CUpDownClient::AddReqBlock(Requested_Block_Struct* reqblock)
{
    if(GetUploadState() != US_UPLOADING) {
        if(thePrefs.GetLogUlDlEvents())
            AddDebugLogLine(DLP_LOW, false, _T("UploadClient: Client tried to add req block when not in upload slot! Prevented req blocks from being added. %s"), DbgGetClientInfo());
		delete reqblock;
        return;
    }

	if(HasCollectionUploadSlot()){
		CKnownFile* pDownloadingFile = theApp.sharedfiles->GetFileByID(reqblock->FileID);
		if(pDownloadingFile != NULL){
			if ( !(CCollection::HasCollectionExtention(pDownloadingFile->GetFileName()) && pDownloadingFile->GetFileSize() < (uint64)MAXPRIORITYCOLL_SIZE) ){
				AddDebugLogLine(DLP_HIGH, false, _T("UploadClient: Client tried to add req block for non collection while having a collection slot! Prevented req blocks from being added. %s"), DbgGetClientInfo());
				delete reqblock;
				return;
			}
		}
		else
			ASSERT( false );
	}

    for (POSITION pos = m_DoneBlocks_list.GetHeadPosition(); pos != 0; ){
        const Requested_Block_Struct* cur_reqblock = m_DoneBlocks_list.GetNext(pos);
        if (reqblock->StartOffset == cur_reqblock->StartOffset && reqblock->EndOffset == cur_reqblock->EndOffset){
            delete reqblock;
            return;
        }
    }
    for (POSITION pos = m_BlockRequests_queue.GetHeadPosition(); pos != 0; ){
        const Requested_Block_Struct* cur_reqblock = m_BlockRequests_queue.GetNext(pos);
        if (reqblock->StartOffset == cur_reqblock->StartOffset && reqblock->EndOffset == cur_reqblock->EndOffset){
            delete reqblock;
            return;
        }
    }

    m_BlockRequests_queue.AddTail(reqblock);
}

uint32 CUpDownClient::SendBlockData(){
    DWORD curTick = ::GetTickCount();

    uint64 sentBytesCompleteFile = 0;
    uint64 sentBytesPartFile = 0;
    uint64 sentBytesPayload = 0;

    if (GetFileUploadSocket() && (m_ePeerCacheUpState != PCUS_WAIT_CACHE_REPLY))
	{
		CEMSocket* s = GetFileUploadSocket();
		UINT uUpStatsPort;
        if (m_pPCUpSocket && IsUploadingToPeerCache())
		{
			uUpStatsPort = (UINT)-1;

            // Check if filedata has been sent via the normal socket since last call.
            uint64 sentBytesCompleteFileNormalSocket = socket->GetSentBytesCompleteFileSinceLastCallAndReset();
            uint64 sentBytesPartFileNormalSocket = socket->GetSentBytesPartFileSinceLastCallAndReset();

			if(thePrefs.GetVerbose() && (sentBytesCompleteFileNormalSocket + sentBytesPartFileNormalSocket > 0)) {
                AddDebugLogLine(false, _T("Sent file data via normal socket when in PC mode. Bytes: %I64i."), sentBytesCompleteFileNormalSocket + sentBytesPartFileNormalSocket);
			}
        }
		else
			uUpStatsPort = GetUserPort();

	    // Extended statistics information based on which client software and which port we sent this data to...
	    // This also updates the grand total for sent bytes, etc.  And where this data came from.
        sentBytesCompleteFile = s->GetSentBytesCompleteFileSinceLastCallAndReset();
        sentBytesPartFile = s->GetSentBytesPartFileSinceLastCallAndReset();

// Contrib - PowerShare
//>>> WiZaRd::PowerShare
		const bool PS = IsPowerShared();
		if(PS)
		{
			theStats.sessionSentBytesViaPS += sentBytesCompleteFile+sentBytesPartFile;
			theStats.sessionSentBytesViaPartPS += sentBytesPartFile;
		}
//<<< WiZaRd::PowerShare
// <-------- PowerShare

		thePrefs.Add2SessionTransferData(GetClientSoft(), uUpStatsPort, false, true, (UINT)sentBytesCompleteFile, (IsFriend() && GetFriendSlot()));
		thePrefs.Add2SessionTransferData(GetClientSoft(), uUpStatsPort, true, true, (UINT)sentBytesPartFile, (IsFriend() && GetFriendSlot()));

		m_nTransferredUp = (UINT)(m_nTransferredUp + sentBytesCompleteFile + sentBytesPartFile);
        credits->AddUploaded((UINT)(sentBytesCompleteFile + sentBytesPartFile), GetIP());

// Contrib - ClientAnalyzer
//>>> WiZaRd::ClientAnalyzer
#ifdef CLIENTANALYZER
		if(pAntiLeechData)
		{
			UINT srccount = _UI32_MAX; //no file? then default to non-rare...

// Contrib - optimization requpfile
			//MORPH - Changed by SiRoB, Optimization requpfile
			/*
			CKnownFile* file = theApp.sharedfiles->GetFileByID(GetUploadFileID());
			*/
			CKnownFile* file = CheckAndGetReqUpFile();
// <-------- optimization requpfile

			if(file)
			{
				srccount = file->m_nCompleteSourcesCount;
//				srccount += file->GetRealQueuedCount(); //if you implemented that...
			}
			pAntiLeechData->AddUploaded(sentBytesCompleteFile, false, srccount);
			pAntiLeechData->AddUploaded(sentBytesPartFile, true, srccount);
		}
#endif
//<<< WiZaRd::ClientAnalyzer
// <-------- ClientAnalyzer

        sentBytesPayload = s->GetSentPayloadSinceLastCallAndReset();
        m_nCurQueueSessionPayloadUp = (UINT)(m_nCurQueueSessionPayloadUp + sentBytesPayload);

        if (theApp.uploadqueue->CheckForTimeOver(this)) {

// Contrib - slot control
//>>> Add2Up Timer
			//we kicked someone... maybe we need a new slot...
// By Taz - fix
/*
			theApp.uploadqueue->m_uiFellBelowSlotsNeeded = ::GetTickCount() + SEC2MS(3);
*/
			theApp.uploadqueue->m_uiFellBelowSlotsNeeded = ::GetTickCount() + MIN_NEXTSLOT_WAITTIME;
// <------- fix
//<<< Add2Up Timer
// <-------- slot control

            theApp.uploadqueue->RemoveFromUploadQueue(this, _T("Completed transfer"), true);
			SendOutOfPartReqsAndAddToWaitingQueue();
        } 
		else {
            // read blocks from file and put on socket
            CreateNextBlockPackage();
        }
    }

    if(sentBytesCompleteFile + sentBytesPartFile > 0 ||
        m_AvarageUDR_list.GetCount() == 0 || (curTick - m_AvarageUDR_list.GetTail().timestamp) > 1*1000) {
        // Store how much data we've transferred this round,
        // to be able to calculate average speed later
        // keep sum of all values in list up to date
        TransferredData newitem = {(UINT)(sentBytesCompleteFile + sentBytesPartFile), curTick};
        m_AvarageUDR_list.AddTail(newitem);
        m_nSumForAvgUpDataRate = (UINT)(m_nSumForAvgUpDataRate + sentBytesCompleteFile + sentBytesPartFile);
    }

    // remove to old values in list
    while (m_AvarageUDR_list.GetCount() > 0 && (curTick - m_AvarageUDR_list.GetHead().timestamp) > 10*1000) {
        // keep sum of all values in list up to date
        m_nSumForAvgUpDataRate -= m_AvarageUDR_list.RemoveHead().datalen;
    }

    // Calculate average speed for this slot
    if(m_AvarageUDR_list.GetCount() > 0 && (curTick - m_AvarageUDR_list.GetHead().timestamp) > 0 && GetUpStartTimeDelay() > 2*1000) {
        m_nUpDatarate = (UINT)(((ULONGLONG)m_nSumForAvgUpDataRate*1000) / (curTick - m_AvarageUDR_list.GetHead().timestamp));
    } else {
        // not enough values to calculate trustworthy speed. Use -1 to tell this
        m_nUpDatarate = 0; //-1;
    }

    // Check if it's time to update the display.
    if (curTick-m_lastRefreshedULDisplay > MINWAIT_BEFORE_ULDISPLAY_WINDOWUPDATE+(uint32)(rand()*800/RAND_MAX)) {
        // Update display
        theApp.emuledlg->transferwnd->uploadlistctrl.RefreshClient(this);
        theApp.emuledlg->transferwnd->clientlistctrl.RefreshClient(this);
        m_lastRefreshedULDisplay = curTick;
    }

    return (UINT)(sentBytesCompleteFile + sentBytesPartFile);
}

void CUpDownClient::SendOutOfPartReqsAndAddToWaitingQueue()
{
	//OP_OUTOFPARTREQS will tell the downloading client to go back to OnQueue..
	//The main reason for this is that if we put the client back on queue and it goes
	//back to the upload before the socket times out... We get a situation where the
	//downloader thinks it already sent the requested blocks and the uploader thinks
	//the downloader didn't send any request blocks. Then the connection times out..
	//I did some tests with eDonkey also and it seems to work well with them also..
	if (thePrefs.GetDebugClientTCPLevel() > 0)
		DebugSend("OP__OutOfPartReqs", this);
	Packet* pPacket = new Packet(OP_OUTOFPARTREQS, 0);
	theStats.AddUpDataOverheadFileRequest(pPacket->size);
	SendPacket(pPacket, true);
	m_fSentOutOfPartReqs = 1;
    theApp.uploadqueue->AddClientToQueue(this, true);
}

/**
 * See description for CEMSocket::TruncateQueues().
 */
void CUpDownClient::FlushSendBlocks(){ // call this when you stop upload, or the socket might be not able to send
    if (socket)      //socket may be NULL...
        socket->TruncateQueues();
}

void CUpDownClient::SendHashsetPacket(const uchar* forfileid)
{
	CKnownFile* file = theApp.sharedfiles->GetFileByID(forfileid);
	if (!file){
		CheckFailedFileIdReqs(forfileid);
		throw GetResString(IDS_ERR_REQ_FNF) + _T(" (SendHashsetPacket)");
	}

	CSafeMemFile data(1024);
	data.WriteHash16(file->GetFileHash());
	UINT parts = file->GetHashCount();
	data.WriteUInt16((uint16)parts);
	for (UINT i = 0; i < parts; i++)
		data.WriteHash16(file->GetPartHash(i));
	if (thePrefs.GetDebugClientTCPLevel() > 0)
		DebugSend("OP__HashSetAnswer", this, forfileid);
	Packet* packet = new Packet(&data);
	packet->opcode = OP_HASHSETANSWER;
	theStats.AddUpDataOverheadFileRequest(packet->size);
	SendPacket(packet, true);
}

void CUpDownClient::ClearUploadBlockRequests()
{
	FlushSendBlocks();

	for (POSITION pos = m_BlockRequests_queue.GetHeadPosition();pos != 0;)
		delete m_BlockRequests_queue.GetNext(pos);
	m_BlockRequests_queue.RemoveAll();
	
	for (POSITION pos = m_DoneBlocks_list.GetHeadPosition();pos != 0;)
		delete m_DoneBlocks_list.GetNext(pos);
	m_DoneBlocks_list.RemoveAll();
}

void CUpDownClient::SendRankingInfo(){
	if (!ExtProtocolAvailable())
		return;
	UINT nRank = theApp.uploadqueue->GetWaitingPosition(this);
	if (!nRank)
		return;
	Packet* packet = new Packet(OP_QUEUERANKING,12,OP_EMULEPROT);
	PokeUInt16(packet->pBuffer+0, (uint16)nRank);
	memset(packet->pBuffer+2, 0, 10);
	if (thePrefs.GetDebugClientTCPLevel() > 0)
		DebugSend("OP__QueueRank", this);
	theStats.AddUpDataOverheadFileRequest(packet->size);
	SendPacket(packet, true);
}

void CUpDownClient::SendCommentInfo(/*const*/ CKnownFile *file)
{
	if (!m_bCommentDirty || file == NULL || !ExtProtocolAvailable() || m_byAcceptCommentVer < 1)
		return;
	m_bCommentDirty = false;

	UINT rating = file->GetFileRating();
	const CString& desc = file->GetFileComment();
	if (file->GetFileRating() == 0 && desc.IsEmpty())
		return;

	CSafeMemFile data(256);
	data.WriteUInt8((uint8)rating);
	data.WriteLongString(desc, GetUnicodeSupport());
	if (thePrefs.GetDebugClientTCPLevel() > 0)
		DebugSend("OP__FileDesc", this, file->GetFileHash());
	Packet *packet = new Packet(&data,OP_EMULEPROT);
	packet->opcode = OP_FILEDESC;
	theStats.AddUpDataOverheadFileRequest(packet->size);
	SendPacket(packet, true);
}

void CUpDownClient::AddRequestCount(const uchar* fileid)
{
	for (POSITION pos = m_RequestedFiles_list.GetHeadPosition(); pos != 0; ){
		Requested_File_Struct* cur_struct = m_RequestedFiles_list.GetNext(pos);
		if (!md4cmp(cur_struct->fileid,fileid)){

// Contrib - ClientAnalyzer
//>>> WiZaRd::ClientAnalyzer
#ifdef CLIENTANALYZER
			if(pAntiLeechData)
				pAntiLeechData->AddReask(::GetTickCount()-cur_struct->lastasked);
#endif
//<<< WiZaRd::ClientAnalyzer
// <-------- ClientAnalyzer

			if (::GetTickCount() - cur_struct->lastasked < MIN_REQUESTTIME && !GetFriendSlot()){ 
				if (GetDownloadState() != DS_DOWNLOADING)
					cur_struct->badrequests++;
				if (cur_struct->badrequests == BADCLIENTBAN){
					Ban();
				}
			}
			else{
				if (cur_struct->badrequests)
					cur_struct->badrequests--;
			}
			cur_struct->lastasked = ::GetTickCount();
			return;
		}
	}
	Requested_File_Struct* new_struct = new Requested_File_Struct;
	md4cpy(new_struct->fileid,fileid);
	new_struct->lastasked = ::GetTickCount();
	new_struct->badrequests = 0;
	m_RequestedFiles_list.AddHead(new_struct);
}

void  CUpDownClient::UnBan()
{
	theApp.clientlist->AddTrackClient(this);
	theApp.clientlist->RemoveBannedClient(GetIP());
	SetUploadState(US_NONE);
	ClearWaitStartTime();

// Contrib - optimization
/*
	theApp.emuledlg->transferwnd->ShowQueueCount(theApp.uploadqueue->GetWaitingUserCount());
*/
	theApp.emuledlg->transferwnd->ShowQueueCount();
// <-------- optimization

// Contrib - optimization
// WiZaRd
/*
	for (POSITION pos = m_RequestedFiles_list.GetHeadPosition();pos != 0;)
	{
		Requested_File_Struct* cur_struct = m_RequestedFiles_list.GetNext(pos);
		cur_struct->badrequests = 0;
		cur_struct->lastasked = 0;	
	}
*/
	//we can safely delete this data... we reset it anyhow!
	//also, on a sidenote, resetting the timestamp to 0 would cause problems with the CA (see "AddReask")
	while(!m_RequestedFiles_list.IsEmpty())
		delete m_RequestedFiles_list.RemoveHead();
// <-------- optimization

}

void CUpDownClient::Ban(LPCTSTR pszReason)
{
	SetChatState(MS_NONE);
	theApp.clientlist->AddTrackClient(this);

// Contrib - SUQWT
	// ==> SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
	if(theApp.clientcredits->IsSaveUploadQueueWaitTime()) {
		ClearWaitStartTime();
		if (credits != NULL){
			credits->ClearUploadQueueWaitTime();
		}
	}
	// <== SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
// <-------- SUQWT

	if (!IsBanned()){
		if (thePrefs.GetLogBannedClients())
			AddDebugLogLine(false,_T("Banned: %s; %s"), pszReason==NULL ? _T("Aggressive behaviour") : pszReason, DbgGetClientInfo());
	}
#ifdef _DEBUG
	else{
		if (thePrefs.GetLogBannedClients())
			AddDebugLogLine(false,_T("Banned: (refreshed): %s; %s"), pszReason==NULL ? _T("Aggressive behaviour") : pszReason, DbgGetClientInfo());
	}
#endif
	theApp.clientlist->AddBannedClient(GetIP());
	SetUploadState(US_BANNED);

// Contrib - optimization
/*
	theApp.emuledlg->transferwnd->ShowQueueCount(theApp.uploadqueue->GetWaitingUserCount());
*/
	theApp.emuledlg->transferwnd->ShowQueueCount();
// <-------- optimization

	theApp.emuledlg->transferwnd->queuelistctrl.RefreshClient(this);
	if (socket != NULL && socket->IsConnected())
		socket->ShutDown(SD_RECEIVE); // let the socket timeout, since we dont want to risk to delete the client right now. This isnt acutally perfect, could be changed later
}

// Contrib - SUQWT
// ==> SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
// Moonlight: SUQWT - Compare linear time instead of time indexes to avoid overflow-induced false positives.
/*
uint32 CUpDownClient::GetWaitStartTime() const
*/
sint64 CUpDownClient::GetWaitStartTime() const
// <== SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
// <-------- SUQWT

{
	if (credits == NULL){
		ASSERT ( false );
		return 0;
	}

// Contrib - SUQWT
	// ==> SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
	/*
	uint32 dwResult = credits->GetSecureWaitStartTime(GetIP());
	if (dwResult > m_dwUploadTime && IsDownloading()){
		//this happens only if two clients with invalid securehash are in the queue - if at all
		dwResult = m_dwUploadTime-1;
	*/

	sint64 dwResult = credits->GetSecureWaitStartTime(GetIP());
	uint32 now = ::GetTickCount();
	if ( dwResult > now) {
		dwResult = now - 1;
	}

	if (IsDownloading() && (dwResult > m_dwUploadTime)) {
	//this happens only if two clients with invalid securehash are in the queue - if at all
			dwResult = m_dwUploadTime-1;
	// <== SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
// <-------- SUQWT

		if (thePrefs.GetVerbose())
			DEBUG_ONLY(AddDebugLogLine(false,_T("Warning: CUpDownClient::GetWaitStartTime() waittime Collision (%s)"),GetUserName()));
	}
	return dwResult;
}

void CUpDownClient::SetWaitStartTime(){
	if (credits == NULL){
		return;
	}
	credits->SetSecWaitStartTime(GetIP());
}

void CUpDownClient::ClearWaitStartTime(){
	if (credits == NULL){
		return;
	}
	credits->ClearWaitStartTime();
}

bool CUpDownClient::GetFriendSlot() const
{
	if (credits && theApp.clientcredits->CryptoAvailable()){
		switch(credits->GetCurrentIdentState(GetIP())){
			case IS_IDFAILED:
			case IS_IDNEEDED:
			case IS_IDBADGUY:
				return false;
		}
	}
	return m_bFriendSlot;
}

CEMSocket* CUpDownClient::GetFileUploadSocket(bool bLog)
{
    if (m_pPCUpSocket && (IsUploadingToPeerCache() || m_ePeerCacheUpState == PCUS_WAIT_CACHE_REPLY))
	{
        if (bLog && thePrefs.GetVerbose())
            AddDebugLogLine(false, _T("%s got peercache socket."), DbgGetClientInfo());
        return m_pPCUpSocket;
    }
	else
	{
        if (bLog && thePrefs.GetVerbose())
            AddDebugLogLine(false, _T("%s got normal socket."), DbgGetClientInfo());
        return socket;
    }
}

void CUpDownClient::SetCollectionUploadSlot(bool bValue){
	ASSERT( !IsDownloading() || bValue == m_bCollectionUploadSlot );
	m_bCollectionUploadSlot = bValue;
}

// Contrib - PowerShare
//>>> WiZaRd::PowerShare
bool CUpDownClient::IsPowerShared() const
{

// By Taz - no PowerShare for leechers
#ifdef CLIENTANALYZER
	if	(!IsFriend() && GetAntiLeechData() && GetAntiLeechData()->GetBadForThisSession(0xff))
		return false;
#endif
// <------- no PowerShare for leechers

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
	CKnownFile* file = theApp.sharedfiles->GetFileByID(GetUploadFileID());
	*/
	CKnownFile* file = CheckAndGetReqUpFile();
// <-------- optimization requpfile

	return file && file->IsPowerShared();
}
//<<< WiZaRd::PowerShare
// <-------- PowerShare

// Contrib - optimization requpfile
//MORPH START - Added by SiRoB, Optimization requpfile
CKnownFile* CUpDownClient::CheckAndGetReqUpFile() const {
	if (requpfileid_lasttimeupdated < theApp.sharedfiles->GetLastTimeFileMapUpdated()) {
		return theApp.sharedfiles->GetFileByID(requpfileid);
		//requpfileid_lasttimeupdated = theApp.sharedfiles->GetLastTimeFileMapUpdated();
	}
	return requpfile;
}
//MORPH END   - Added by SiRoB, Optimization requpfile
// <-------- optimization requpfile

// Contrib - auto full chunk
// VQB: fullChunk
void CUpDownClient::ResetRemainingUp()
{
	CKnownFile* srcfile = theApp.sharedfiles->GetFileByID(GetUploadFileID());
	if (!srcfile)
	{
		m_nRemainingUp = 9728;
		return;
	}
	if(GetFriendSlot())
//		m_nRemainingUp = max(9728, (uint32)min(PARTSIZE*thePrefs.GetFUChunks(), (uint64)srcfile->GetFileSize()));
		m_nRemainingUp = max(9728, (uint32)min(_UI32_MAX, (uint64)srcfile->GetFileSize()));
	else
		m_nRemainingUp = max(9728, (uint32)min(PARTSIZE, (uint64)srcfile->GetFileSize()));
}

void CUpDownClient::UpdateRemainingUp()
{
	UINT newRemain = 0;
	CKnownFile* srcfile = theApp.sharedfiles->GetFileByID(GetUploadFileID());
	if (!srcfile)
		newRemain = 9728;
	else
	{
		if(GetFriendSlot())
//			newRemain = max(9728, (uint32)min(PARTSIZE*thePrefs.GetFUChunks(), (uint64)srcfile->GetFileSize()));
			m_nRemainingUp = max(9728, (uint32)min(_UI32_MAX, (uint64)srcfile->GetFileSize()));
		else
			newRemain = max(9728, (uint32)min(PARTSIZE, (uint64)srcfile->GetFileSize()));
	}

	if(newRemain > m_nRemainingUp)
		m_nRemainingUp = newRemain - m_nRemainingUp;
	else 
		m_nRemainingUp = 9872; //try to get rid of that client now
}
// VQB: fullChunk
// <-------- auto full chunk

// By Taz - no SUQWT for leechers
void CUpDownClient::ClearLeecherWaitStartTime(){
	if (IsFriend())
		return;
	if (Credits()){
		Credits()->ClearUploadQueueWaitTime();
		Credits()->ClearWaitStartTime();
	}
}
// <------- no SUQWT for leechers

// By Taz - no PowerShare for leechers
CString CUpDownClient::GetUpPriorityDisplayString() const {
	CString buffer;

	buffer = L"";

// Contrib - optimization requpfile
	//MORPH - Changed by SiRoB, Optimization requpfile
	/*
	CKnownFile* file = theApp.sharedfiles->GetFileByID(GetUploadFileID());
	*/
	CKnownFile* file = CheckAndGetReqUpFile();
// <-------- optimization requpfile

	if (file)
	switch (file->GetUpPriority())
	{
		case PR_VERYLOW:
			buffer = GetResString(IDS_PRIOVERYLOW);
			break;
		case PR_LOW:
			if( file->IsAutoUpPriority() )
				buffer = GetResString(IDS_PRIOAUTOLOW);
			else
				buffer =  GetResString(IDS_PRIOLOW);
			break;
		case PR_NORMAL:
			if( file->IsAutoUpPriority() )
				buffer = GetResString(IDS_PRIOAUTONORMAL);
			else
				buffer = GetResString(IDS_PRIONORMAL);
			break;
		case PR_HIGH:
			if( file->IsAutoUpPriority() )
				buffer = GetResString(IDS_PRIOAUTOHIGH);
			else
				buffer = GetResString(IDS_PRIOHIGH);
			break;
		case PR_VERYHIGH:
			buffer = GetResString(IDS_PRIORELEASE);
			break;
		default:
			break;
	}

	if(IsPowerShared())
	{
		CString temp = buffer;
		buffer.Format(L"PS %s", temp);
	}
	return buffer;
}
// <------- no PowerShare for leechers