//=============================================================================
//
//   File : send.cpp
//   Creation date : Tue Sep 20 09 2000 15:14:14 by Szymon Stefanek
//
//   This file is part of the KVirc irc client distribution
//   Copyright (C) 2000-2005 Szymon Stefanek (pragma at kvirc dot 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 opinion) any later version.
//
//   This program is distributed in the HOPE that it will be USEFUL,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//   See the GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with this program. If not, write to the Free Software Foundation,
//   Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#include "send.h"
#include "broker.h"
#include "marshal.h"
#include "broker.h"
#include "window.h"
#include "kvi_styled_controls.h"

#ifdef COMPILE_ON_WINDOWS
	// Ugly Windoze compiler...
	#include "dialogs.h"
#endif

#define _KVI_DEBUG_CHECK_RANGE_
#include "kvi_debug.h"
#include "kvi_app.h"
#include "kvi_options.h"
#include "kvi_ircview.h"
#include "kvi_iconmanager.h"
#include "kvi_locale.h"
#include "kvi_error.h"
#include "kvi_out.h"
#include "kvi_netutils.h"
#include "kvi_console.h"
#include "kvi_frame.h"
#include "kvi_malloc.h"
#include "kvi_memmove.h"
#include "kvi_thread.h"
#include "kvi_ircsocket.h"

#include "kvi_mediatype.h"
#include "kvi_socket.h"
#include "kvi_kvs_eventtriggers.h"
#include "kvi_parameterlist.h"
#include "kvi_ircconnection.h"
#include "kvi_ircconnectionuserinfo.h"
#include "kvi_sparser.h"
#include "kvi_kvs_script.h"

#include <tqevent.h>
#include <tqfile.h>
#include <tqpainter.h>
#include <tqdatetime.h>
#include <tqglobal.h>
#include <tqcheckbox.h>
#include <tqspinbox.h>
#include <tqlayout.h>
#include <tqpushbutton.h>

#define INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS 3000
#define INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS 3

// This limit, when multiplied by INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS
// must fit in 31 bits (0x7fffffff)! (because of data size limits)
#define MAX_DCC_BANDWIDTH_LIMIT 0x1fffffff

//#include <unistd.h> //close()

// FIXME: SSL Support here!
// FIXME: The events OnDCCConnect etc are in wrong places here...!

extern KviDccBroker * g_pDccBroker;

extern KVIRC_API KviMediaManager * g_pMediaManager; // kvi_app.cpp


static KviPointerList<KviDccFileTransfer> * g_pDccFileTransfers = 0;
static TQPixmap * g_pDccFileTransferIcon = 0;

//#warning "The events that have a KviStr data pointer should become real classes, that take care of deleting the data pointer!"
//#warning "Otherwise, when left undispatched we will be leaking memory (event class destroyed but not the data ptr)"

KviDccRecvThread::KviDccRecvThread(TQObject * par,kvi_socket_t fd,KviDccRecvThreadOptions * opt)
: KviDccThread(par,fd)
{
	m_pOpt                  = opt;
	m_iAverageSpeed         = -1;
	m_iInstantSpeed         = -1;
	m_iFilePosition         = 0;

	m_iTotalReceivedBytes   = 0;
	m_iInstantReceivedBytes = 0;
	m_pFile                 = 0;
	m_pTimeInterval         = new KviMSecTimeInterval();
	m_uStartTime            = 0;
	m_uInstantSpeedInterval = 0;
}

KviDccRecvThread::~KviDccRecvThread()
{
	if(m_pOpt)delete m_pOpt;
	if(m_pFile)delete m_pFile;
	delete m_pTimeInterval;
}

bool KviDccRecvThread::sendAck(int filePos)
{
	int size = htonl(filePos);
	if(kvi_socket_send(m_fd,(void *)(&size),4) != 4)
	{
		postErrorEvent(KviError_acknowledgeError);
		return false;
	}
	return true;
}

void KviDccRecvThread::updateStats()
{
	m_uInstantSpeedInterval += m_pTimeInterval->mark();
	unsigned long uCurTime = m_pTimeInterval->secondsCounter();

	m_pMutex->lock();
	unsigned long uElapsedTime = uCurTime - m_uStartTime;
	if(uElapsedTime < 1)uElapsedTime = 1;

	m_iFilePosition = m_pFile->at();
	m_iAverageSpeed = m_iTotalReceivedBytes / uElapsedTime;

	if(m_uInstantSpeedInterval > INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS)
	{
		unsigned int uMSecsOfTheNextInterval = 0;
		if(m_uInstantSpeedInterval < (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS + (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS / 2)))
			uMSecsOfTheNextInterval = m_uInstantSpeedInterval - INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS;
		m_iInstantSpeed = (m_iInstantReceivedBytes * 1000) / m_uInstantSpeedInterval;
		m_iInstantReceivedBytes = 0;
		m_uInstantSpeedInterval = uMSecsOfTheNextInterval;
	} else {
		if(uElapsedTime <= INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS)
			m_iInstantSpeed = m_iAverageSpeed;
	}
	m_pMutex->unlock();
}

void KviDccRecvThread::postMessageEvent(const char * m)
{
	KviThreadDataEvent<KviStr> * e = new KviThreadDataEvent<KviStr>(KVI_DCC_THREAD_EVENT_MESSAGE);
	e->setData(new KviStr(m));
	postEvent(parent(),e);
}

// FIXME: This stuff should be somewhat related to the 1448 bytes TCP basic packet size
#define KVI_DCC_RECV_BLOCK_SIZE 8192
#define KVI_DCC_RECV_75PERCENTOF_BLOCK_SIZE 6150

void KviDccRecvThread::run()
{
	// take care of sleeping a bit if we can't read stuff
	// so we don't hog the CPU too much...
	int iFailedSelects = 0;
	// take care of sleeping a bit if we get a lot of short reads
	// so we don't hog the CPU too much...
	int iShortReadQuantifier = 0;
	// the algorithm is as follows:
	//    attempt to read KVI_DCC_RECV_BLOCK_SIZE bytes
	//    iShortReadQuantifier += ((KVI_DCC_RECV_75PERCENT_OF_BLOCK_SIZE - realReadedBytes) / 42);
	// thus we gain points if we read less than 75% of the requested size
	// and we loose points otherwise
	// there are nearly 24 points per KB
	//    if(iShortReadQuantifier > 10)
	//       msleep(iShortReadQuantifier);
	// also never sleep more than 500 msecs since it will
	// rise our exit latency too much

	m_pTimeInterval->mark();
	m_pMutex->lock();
	m_uStartTime = m_pTimeInterval->secondsCounter();
	m_pMutex->unlock();

	int iProbableTerminationTime = 0;

	m_pFile = new TQFile(TQString::fromUtf8(m_pOpt->szFileName.ptr()));

	if(m_pOpt->bResume)
	{
		if(!m_pFile->open(IO_WriteOnly | IO_Append))
		{
			postErrorEvent(KviError_cantOpenFileForAppending);
			goto exit_dcc;
		} // else pFile is already at end
	} else {
		if(!m_pFile->open(IO_WriteOnly))
		{
			postErrorEvent(KviError_cantOpenFileForWriting);
			goto exit_dcc;
		}
	}

	if(m_pOpt->bSendZeroAck && (!m_pOpt->bNoAcks))
	{
		if(!sendAck(m_pFile->at()))goto exit_dcc;
	}

	for(;;)
	{
		// Dequeue events
		while(KviThreadEvent * e = dequeueEvent())
		{
			if(e->id() == KVI_THREAD_EVENT_TERMINATE)
			{
				delete e;
				goto exit_dcc;
			} else {
				// Other events are senseless to us
				delete e;
			}
		}

		bool bCanRead;
		bool bDummy;

		if(kvi_select(m_fd,&bCanRead,&bDummy,15000))
		{
			// reset sleep time

			if(bCanRead)
			{
				iFailedSelects = 0;

				// Read a data block
				char buffer[KVI_DCC_RECV_BLOCK_SIZE];

				m_pMutex->lock(); // FIXME: how to remove this lock ?
				unsigned int uMaxPossible = (m_pOpt->uMaxBandwidth < MAX_DCC_BANDWIDTH_LIMIT) ? m_pOpt->uMaxBandwidth * INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS : MAX_DCC_BANDWIDTH_LIMIT * INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS;
				m_pMutex->unlock();
				unsigned int uToRead = uMaxPossible > ((unsigned int)(m_iInstantReceivedBytes)) ? uMaxPossible - m_iInstantReceivedBytes : 0;
				if(uToRead > KVI_DCC_RECV_BLOCK_SIZE)uToRead = KVI_DCC_RECV_BLOCK_SIZE;

				if(uToRead > 0)
				{
					int readLen = kvi_socket_recv(m_fd,buffer,uToRead);

					if(readLen > 0)
					{
						// Readed something useful...write back
						if((m_pOpt->iTotalFileSize > -1) && ((readLen + (int)m_pFile->at()) > m_pOpt->iTotalFileSize))
						{
							postMessageEvent(__tr2qs_ctx("WARNING: The peer is sending garbage data past the end of the file","dcc").utf8().data());
							postMessageEvent(__tr2qs_ctx("WARNING: Ignoring data past the declared end of file and closing the connection","dcc").utf8().data());

							readLen = m_pOpt->iTotalFileSize - m_pFile->at();
							if(readLen > 0)
							{
								if(m_pFile->writeBlock(buffer,readLen) != readLen)
									postErrorEvent(KviError_fileIOError);
							}
							break;

						} else {
							if(m_pFile->writeBlock(buffer,readLen) != readLen)
							{
								postErrorEvent(KviError_fileIOError);
								break;
							}
						}

						// Update stats
						m_iTotalReceivedBytes += readLen;
						m_iInstantReceivedBytes += readLen;

						updateStats();
						// Now send the ack
						if(m_pOpt->bNoAcks)
						{
							// No acks...
							// Interrupt if the whole file has been received
							if(m_pOpt->iTotalFileSize > 0)
							{
								if(((int)(m_pFile->at())) == m_pOpt->iTotalFileSize)
								{
									// Received the whole file...die
									KviThreadEvent * e = new KviThreadEvent(KVI_DCC_THREAD_EVENT_SUCCESS);
									postEvent(parent(),e);
									break;
								}
							}
						} else {
							// Must send the ack... the peer must close the connection
							if(!sendAck(m_pFile->at()))break;
						}

						// now take care of short reads
						iShortReadQuantifier += ((KVI_DCC_RECV_75PERCENTOF_BLOCK_SIZE - readLen) / 42);
						if(iShortReadQuantifier > 10)
						{
							// we're having short reads.. sleep a while
							// but don't allow it to go too high: 0.45 sec is really a lot
							if(iShortReadQuantifier > 500)
								iShortReadQuantifier = 500;
							msleep(iShortReadQuantifier);
						} else {
							// don't allow it to go too low
							if(iShortReadQuantifier < -500)
								iShortReadQuantifier = -500;
						}

					} else {
						updateStats();
						// Read problem...

						if(readLen == 0)
						{
							// readed EOF..
							if((((int)(m_pFile->at())) == m_pOpt->iTotalFileSize) || (m_pOpt->iTotalFileSize < 0))
							{
								// success if we got the whole file or if we don't know the file size (we trust the peer)
								KviThreadEvent * e = new KviThreadEvent(KVI_DCC_THREAD_EVENT_SUCCESS);
								postEvent(parent(),e);
								break;
							}
						}
						if(!handleInvalidSocketRead(readLen))break;
					}
				} else {
					updateStats();

					// reached the bandwidth limit: slow down a bit
					if(m_uInstantSpeedInterval < (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS - 100))
						msleep(100);
					else if(m_uInstantSpeedInterval < (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS - 20))
						msleep(20);
				}
			} else {
				// Can't read stuff (can just write)
				updateStats();

				// sleep up to 300 msecs (if data arrives...we want low exit latency here)
				if(iFailedSelects < 100)iFailedSelects++;
				updateStats();
				if(iFailedSelects > 3)
					msleep(3 * iFailedSelects);

				if(((int)(m_pFile->at())) == m_pOpt->iTotalFileSize)
				{
					// Wait for the peer to close the connection
					if(iProbableTerminationTime == 0)
					{
						iProbableTerminationTime = (int)kvi_unixTime();
						m_pFile->flush();
						postMessageEvent(__tr2qs_ctx("Data transfer terminated, waiting 30 seconds for the peer to close the connection...","dcc").utf8().data());
						// FIXME: Close the file ?
					} else {
						int iDiff = (((int)kvi_unixTime()) - iProbableTerminationTime);
						if(iDiff > 30)
						{
							// success if we got the whole file or if we don't know the file size (we trust the peer)
							postMessageEvent(__tr2qs_ctx("Data transfer was terminated 30 seconds ago, closing the connection","dcc").utf8().data());
							KviThreadEvent * e = new KviThreadEvent(KVI_DCC_THREAD_EVENT_SUCCESS);
							postEvent(parent(),e);
							break;
						}
					}
				}
			}
			// include the artificial delay if needed
			if(m_pOpt->iIdleStepLengthInMSec > 0)
			{
				tqDebug("LOOP: artificial delay");
				msleep(m_pOpt->iIdleStepLengthInMSec);
			}
		} else {
			// sleep up to 200 msecs (if data arrives...we want low exit latency here)
			if(iFailedSelects < 100)iFailedSelects++;
			updateStats();
			if(iFailedSelects > 3)
				msleep(2 * iFailedSelects);
		}
	}

exit_dcc:
	if(m_pFile)
	{
		m_pFile->close();
		delete m_pFile;
		m_pFile = 0;
	}
	kvi_socket_close(m_fd);
	m_fd = KVI_INVALID_SOCKET;
}

void KviDccRecvThread::initGetInfo()
{
	m_pMutex->lock();
}

void KviDccRecvThread::doneGetInfo()
{
	m_pMutex->unlock();
}

KviDccSendThread::KviDccSendThread(TQObject * par,kvi_socket_t fd,KviDccSendThreadOptions * opt)
: KviDccThread(par,fd)
{
	m_pOpt = opt;
	// stats
	m_iAverageSpeed  = -1;
	m_iInstantSpeed  = -1;
	m_iFilePosition  = 0;
	m_iTotalSentBytes = 0;
	m_pTimeInterval  = new KviMSecTimeInterval();
	m_uStartTime     = 0;
	m_uInstantSpeedInterval = 0;
}

KviDccSendThread::~KviDccSendThread()
{
	if(m_pOpt)delete m_pOpt;
	delete m_pTimeInterval;
}

void KviDccSendThread::updateStats()
{
	m_uInstantSpeedInterval += m_pTimeInterval->mark();

	m_pMutex->lock();
	unsigned long uElapsedTime = m_pTimeInterval->secondsCounter() - m_uStartTime;
	if(uElapsedTime < 1)uElapsedTime = 1;

	if(m_pOpt->bNoAcks)
	{
		// There are no acks : the avg bandwidth is based on the sent bytes
		m_iAverageSpeed = m_iTotalSentBytes / uElapsedTime;
	} else {
		// acknowledges : we compute the avg bandwidth based on the acks we receive
		m_iAverageSpeed = (m_iAckedBytes - m_pOpt->iStartPosition) / uElapsedTime;
	}

	if(m_uInstantSpeedInterval >= INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS)
	{
		// we often overcount the time interval of 10-20 msecs
		// and thus our bandwidth is used less than requested.
		// for this reason we try to account the time in excess
		// to the next period in order to balance the bandwidth usage.
		unsigned long uMSecsOfNextPeriodUsed = 0;
		if(m_uInstantSpeedInterval > INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS)
		{
			if(m_uInstantSpeedInterval < (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS + (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS / 2)))
			{
				uMSecsOfNextPeriodUsed = m_uInstantSpeedInterval - INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS;
				m_uInstantSpeedInterval = INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS;
			}
			// else we have been delayed for a time comparable to a period
			// and thus we can't recover the bandwidth... let it go as it does...
		}
		m_iInstantSpeed = (m_iInstantSentBytes * 1000) / m_uInstantSpeedInterval;
		m_uInstantSpeedInterval = uMSecsOfNextPeriodUsed;
		m_iInstantSentBytes = 0;
	} else {
		if(uElapsedTime <= INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS)
			m_iInstantSpeed = m_iAverageSpeed;
	}
	m_pMutex->unlock();
}

void KviDccSendThread::run()
{
	m_pTimeInterval->mark();
	m_pMutex->lock();
	m_uStartTime = m_pTimeInterval->secondsCounter();
	m_pMutex->unlock();

	m_iTotalSentBytes         = 0;
	m_iInstantSentBytes       = 0;
	int iFailedSelects        = 0;
	char ackbuffer[4];
	int iBytesInAckBuffer     = 0;
	TQ_UINT32 iLastAck         = 0;

	if(m_pOpt->iPacketSize < 32)m_pOpt->iPacketSize = 32;
	char * buffer = (char *)kvi_malloc(m_pOpt->iPacketSize * sizeof(char));

	TQFile * pFile = new TQFile(TQString::fromUtf8(m_pOpt->szFileName.ptr()));

	if(!pFile->open(IO_ReadOnly))
	{
		postErrorEvent(KviError_cantOpenFileForReading);
		goto exit_dcc;
	}

	if(pFile->size() < 1)
	{
		postErrorEvent(KviError_cantSendAZeroSizeFile);
		goto exit_dcc;
	}

	if(m_pOpt->iStartPosition > 0)
	{
		// seek
		if(!(pFile->at(m_pOpt->iStartPosition)))
		{
			postErrorEvent(KviError_fileIOError);
			goto exit_dcc;
		}
	}

	iLastAck = m_pOpt->iStartPosition;

	for(;;)
	{
		// Dequeue events
		while(KviThreadEvent * e = dequeueEvent())
		{
			if(e->id() == KVI_THREAD_EVENT_TERMINATE)
			{
				delete e;
				goto exit_dcc;
			} else {
				// Other events are senseless to us
				delete e;
			}
		}

		bool bCanRead;
		bool bCanWrite;

		if(kvi_select(m_fd,&bCanRead,&bCanWrite,15000))
		{
			// reset the sleep time
			iFailedSelects = 0;
			if(bCanRead)
			{
				if(!m_pOpt->bNoAcks)
				{
					int iAckBytesToRead = 4 - iBytesInAckBuffer;
					int readLen = kvi_socket_recv(m_fd,(void *)(ackbuffer + iBytesInAckBuffer),iAckBytesToRead);
					if(readLen > 0)
					{
						iBytesInAckBuffer += readLen;
						if(iBytesInAckBuffer == 4)
						{
							TQ_UINT32 iNewAck = ntohl(*((TQ_UINT32 *)ackbuffer));
							if((iNewAck > pFile->at()) || (iNewAck < iLastAck))
							{
								// the peer is drunk or is trying to fool us
								postErrorEvent(KviError_acknowledgeError);
								break;
							}
							iLastAck = iNewAck;
							iBytesInAckBuffer = 0;
						}
					} else {
						if(!handleInvalidSocketRead(readLen))break;
					}

					// update stats
					m_pMutex->lock(); // is this really necessary ?
					m_iAckedBytes = iLastAck;
					m_pMutex->unlock();

					if(iLastAck >= pFile->size())
					{
						KviThreadEvent * e = new KviThreadEvent(KVI_DCC_THREAD_EVENT_SUCCESS);
						postEvent(parent(),e);
						break;
					}
				} else {
					// No acknowledges
					if(m_pOpt->bIsTdcc)
					{
						// We expect the remote end to close the connection when the whole file has been sent
						if(pFile->atEnd())
						{
							int iAck;
							int readLen = kvi_socket_recv(m_fd,(void *)&iAck,4);
							if(readLen == 0)
							{
								// done...success
								updateStats();
								KviThreadEvent * e = new KviThreadEvent(KVI_DCC_THREAD_EVENT_SUCCESS);
								postEvent(parent(),e);
								break;
							} else {
								if(readLen < 0)
								{
									if(!handleInvalidSocketRead(readLen))break;
								} else {
									KviThreadDataEvent<KviStr> * e = new KviThreadDataEvent<KviStr>(KVI_DCC_THREAD_EVENT_MESSAGE);
									e->setData(new KviStr(__tr2qs_ctx("WARNING: Received data in a DCC TSEND, there should be no acknowledges","dcc")));
									postEvent(parent(),e);
								}
							}
						}
					}
				}
			}
			if(bCanWrite)
			{
				if(!pFile->atEnd())
				{
					if(m_pOpt->bFastSend || m_pOpt->bNoAcks || (iLastAck == pFile->at()))
					{
						// maximum readable size
						int toRead = pFile->size() - pFile->at();
						// the max number of bytes we can send in this interval (bandwidth limit)
						m_pMutex->lock(); // FIXME: how to remove this lock ?
						int iMaxPossible = m_pOpt->uMaxBandwidth < MAX_DCC_BANDWIDTH_LIMIT ? m_pOpt->uMaxBandwidth * INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS : MAX_DCC_BANDWIDTH_LIMIT * INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_SECS;
						m_pMutex->unlock();
						if(iMaxPossible < m_iInstantSentBytes)toRead = 0; // already sent too much!
						else {
							iMaxPossible -= m_iInstantSentBytes;
							if(toRead > iMaxPossible)toRead = iMaxPossible;
						}
						// limit to packet size
						if(toRead > m_pOpt->iPacketSize)toRead = m_pOpt->iPacketSize;

						int written = 0;
						if(toRead > 0)
						{
							// read data
							int readed = pFile->readBlock(buffer,toRead);
							if(readed < toRead)
							{
								postErrorEvent(KviError_fileIOError);
								break;
							}
							// send it out
							written = kvi_socket_send(m_fd,buffer,toRead);
							if(written < toRead)
							{
								if(written < 0)
								{
									// error ?
									if(!handleInvalidSocketRead(written))break;
								} else {
									// seek back to the right position
									pFile->at(pFile->at() - (toRead - written));
								}
							}
						} else {
							// just nothing to send out in this interval
							// sleep a while
							if(m_uInstantSpeedInterval < (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS - 100))
							{
								msleep(100);
							} else if(m_uInstantSpeedInterval < (INSTANT_BANDWIDTH_CHECK_INTERVAL_IN_MSECS - 20))
							{
								msleep(20);
							}
						}

						m_iTotalSentBytes += written;
						m_iInstantSentBytes += written;
						m_iFilePosition = pFile->at();
						updateStats();
					}
				} else {
					if(m_pOpt->bNoAcks && !m_pOpt->bIsTdcc)
					{
						// at end of the file in a blind dcc send...
						// not in a tdcc: we can close the file...
						updateStats();
						KviThreadEvent * e = new KviThreadEvent(KVI_DCC_THREAD_EVENT_SUCCESS);
						postEvent(parent(),e);
						break;
					} else {
						// upload finished but we're waiting for the last ack
						// sleep a bit: don't lag the kernie too much while waiting
						msleep(100);
					}
				}
			}
		} else {
			// after 2 failed selects start to sleep
			if(iFailedSelects > 3)
			{
				// sleep up to 200 msecs
				if(iFailedSelects < 100)iFailedSelects++;
				msleep(3 * iFailedSelects);
			} else {
				iFailedSelects++;
			}
		}

		// include the artificial delay if needed
		if(m_pOpt->iIdleStepLengthInMSec > 0)
		{
			msleep(m_pOpt->iIdleStepLengthInMSec);
		}
	}

exit_dcc:
	kvi_free(buffer);
	pFile->close();
	delete pFile;
	pFile = 0;
	kvi_socket_close(m_fd);
	m_fd = KVI_INVALID_SOCKET;
}

void KviDccSendThread::initGetInfo()
{
	m_pMutex->lock();
}

void KviDccSendThread::doneGetInfo()
{
	m_pMutex->unlock();
}


KviDccFileTransfer::KviDccFileTransfer(KviDccDescriptor * dcc)
: KviFileTransfer()
{
	init(); // ensure we're initialized
	g_pDccFileTransfers->append(this);

	m_pResumeTimer = 0;
	m_pBandwidthDialog = 0;

	KviTQString::sprintf(m_szTransferIdString,__tr2qs_ctx("TRANSFER %d","dcc"),id());

	m_pDescriptor = dcc;
	m_pDescriptor->setTransfer(this);

	m_pMarshal = new KviDccMarshal(this);

	connect(m_pMarshal,TQ_SIGNAL(error(int)),this,TQ_SLOT(handleMarshalError(int)));
	connect(m_pMarshal,TQ_SIGNAL(connected()),this,TQ_SLOT(connected()));
	connect(m_pMarshal,TQ_SIGNAL(inProgress()),this,TQ_SLOT(connectionInProgress()));
#ifdef COMPILE_SSL_SUPPORT
	connect(m_pMarshal,TQ_SIGNAL(startingSSLHandshake()),this,TQ_SLOT(startingSSLHandshake()));
	connect(m_pMarshal,TQ_SIGNAL(sslError(const char *)),this,TQ_SLOT(sslError(const char *)));
#endif

	m_szDccType = dcc->bIsTdcc ? (dcc->bRecvFile ? "TRECV" : "TSEND") : (dcc->bRecvFile ? "RECV" : "SEND");

	m_pSlaveRecvThread = 0;
	m_pSlaveSendThread = 0;

	m_tTransferStartTime = 0;
	m_tTransferEndTime = 0;

	m_szStatusString = __tr2qs_ctx("Setting up the connection","dcc");
	m_eGeneralStatus = Connecting;

	bool bOk;
	m_uTotalFileSize = dcc->bRecvFile ? dcc->szFileSize.toUInt(&bOk) :  dcc->szLocalFileSize.toUInt(&bOk);
	if(!bOk)m_uTotalFileSize = 0;

	if(m_pDescriptor->bRecvFile)
		m_uMaxBandwidth       = KVI_OPTION_BOOL(KviOption_boolLimitDccRecvSpeed) ? KVI_OPTION_UINT(KviOption_uintMaxDccRecvSpeed) : MAX_DCC_BANDWIDTH_LIMIT;
	else
		m_uMaxBandwidth       = KVI_OPTION_BOOL(KviOption_boolLimitDccSendSpeed) ? KVI_OPTION_UINT(KviOption_uintMaxDccSendSpeed) : MAX_DCC_BANDWIDTH_LIMIT;

	startConnection();
}

KviDccFileTransfer::~KviDccFileTransfer()
{
	g_pDccFileTransfers->removeRef(this);

	if(m_pResumeTimer)delete m_pResumeTimer;
	if(m_pBandwidthDialog)delete m_pBandwidthDialog;

	if(m_pSlaveRecvThread)
	{
		m_pSlaveRecvThread->terminate();
		delete m_pSlaveRecvThread;
		m_pSlaveRecvThread = 0;
	}

	if(m_pSlaveSendThread)
	{
		m_pSlaveSendThread->terminate();
		delete m_pSlaveSendThread;
		m_pSlaveSendThread = 0;
	}

	KviThreadManager::killPendingEvents(this);

	delete m_pDescriptor;
	delete m_pMarshal;
}

void KviDccFileTransfer::bandwidthDialogDestroyed()
{
	m_pBandwidthDialog = 0;
}

KviWindow * KviDccFileTransfer::eventWindow()
{
	KviWindow *w = transferWindow();
	if(w)return w;
	return m_pDescriptor->console();
}

void KviDccFileTransfer::startConnection()
{
	if(!(m_pDescriptor->bActive))
	{
		// PASSIVE CONNECTION
		m_szStatusString = __tr2qs_ctx("Attempting a passive DCC %1 connection","dcc").arg(m_szDccType.ptr());
		outputAndLog(m_szStatusString);
	} else {
		// ACTIVE CONNECTION
		m_szStatusString = __tr2qs_ctx("Attempting an active DCC %1 connection","dcc").arg(m_szDccType.ptr());
		outputAndLog(m_szStatusString);
	}


	if(m_pDescriptor->bResume && m_pDescriptor->bRecvFile)
	{
		TQString fName;
		KviServerParser::encodeCtcpParameter(m_pDescriptor->szFileName.utf8().data(),fName);
		if(m_pDescriptor->isZeroPortRequest())
		{
		m_pDescriptor->console()->connection()->sendFmtData("PRIVMSG %s :%cDCC RESUME %s %s %s %s%c",
			m_pDescriptor->console()->connection()->encodeText(m_pDescriptor->szNick).data(),
			0x01,
			m_pDescriptor->console()->connection()->encodeText(fName).data(),
			m_pDescriptor->szPort.utf8().data(),
			m_pDescriptor->szLocalFileSize.utf8().data(),
			m_pDescriptor->zeroPortRequestTag(),0x01);
		} else {
			m_pDescriptor->console()->connection()->sendFmtData("PRIVMSG %s :%cDCC RESUME %s %s %s%c",
				m_pDescriptor->console()->connection()->encodeText(m_pDescriptor->szNick).data(),
				0x01,
				m_pDescriptor->console()->connection()->encodeText(fName).data(),
				m_pDescriptor->szPort.utf8().data(),
				m_pDescriptor->szLocalFileSize.utf8().data(),0x01);
		}
		m_szStatusString = __tr2qs_ctx("Sent DCC RESUME request to %1, waiting for ACCEPT","dcc").arg(m_pDescriptor->szNick);
		outputAndLog(m_szStatusString);

		// setup the resume timer: we don't want to wait forever

		if(KVI_OPTION_UINT(KviOption_uintDccSocketTimeout) < 5)
			KVI_OPTION_UINT(KviOption_uintDccSocketTimeout) = 5;

		if(m_pResumeTimer)delete m_pResumeTimer;
		m_pResumeTimer = new TQTimer(this);
		connect(m_pResumeTimer,TQ_SIGNAL(timeout()),this,TQ_SLOT(resumeTimedOut()));
		m_pResumeTimer->start(KVI_OPTION_UINT(KviOption_uintDccSocketTimeout) * 1000,true);
	} else {
		listenOrConnect();
	}

	displayUpdate();
}

void KviDccFileTransfer::listenOrConnect()
{
	if(!(m_pDescriptor->bActive))
	{
		int ret = m_pMarshal->dccListen(m_pDescriptor->szListenIp,m_pDescriptor->szListenPort,m_pDescriptor->bDoTimeout);
		if(ret != KviError_success)handleMarshalError(ret);
	} else {
		int ret = m_pMarshal->dccConnect(m_pDescriptor->szIp.utf8().data(),m_pDescriptor->szPort.utf8().data(),m_pDescriptor->bDoTimeout);
		if(ret != KviError_success)handleMarshalError(ret);
	}

	displayUpdate();
}

void KviDccFileTransfer::resumeTimedOut()
{
	if(m_pResumeTimer)
	{
		delete m_pResumeTimer;
		m_pResumeTimer = 0;
	}
	handleMarshalError(KviError_connectionTimedOut);
}

KviWindow * KviDccFileTransfer::dccMarshalOutputWindow()
{
	return transferWindow();
}

const char * KviDccFileTransfer::dccMarshalOutputContextString()
{
	return m_szTransferIdString.utf8().data();
}

void KviDccFileTransfer::die()
{
	delete this;
}

TQString KviDccFileTransfer::localFileName()
{
	return m_pDescriptor->szLocalFileName;
}

void KviDccFileTransfer::abort()
{
	if(m_pSlaveRecvThread)m_pSlaveRecvThread->terminate();
	if(m_pSlaveSendThread)m_pSlaveSendThread->terminate();
	if(m_pMarshal)m_pMarshal->abort();

	if(m_pDescriptor->bRecvFile)
			g_pApp->fileDownloadTerminated(false,m_pDescriptor->szFileName.utf8().data(),m_pDescriptor->szLocalFileName.utf8().data(),m_pDescriptor->szNick.utf8().data(),__tr_ctx("Aborted","dcc"));

	KviStr tmp;

	if(m_pSlaveRecvThread)tmp.setNum(m_pSlaveRecvThread->receivedBytes());
	else if(m_pSlaveSendThread)tmp.setNum(m_pSlaveSendThread->sentBytes());
	else tmp = '0';

	m_eGeneralStatus = Failure;
	m_tTransferEndTime = kvi_unixTime();
	m_szStatusString = __tr2qs_ctx("Transfer failed: ","dcc");
	m_szStatusString += __tr2qs_ctx("Aborted","dcc");

	KVS_TRIGGER_EVENT_3(KviEvent_OnDCCFileTransferFailed,eventWindow(),TQString("Aborted by user"),TQString(tmp.ptr()),m_pDescriptor->idString());

	outputAndLog(KVI_OUT_DCCERROR,m_szStatusString);
	displayUpdate();
}


void KviDccFileTransfer::fillContextPopup(KviTalPopupMenu * m,int column)
{
	m->insertItem(__tr2qs_ctx("Configure Bandwidth...","dcc"),this,TQ_SLOT(configureBandwidth()));
	m->insertSeparator();
	m->insertItem(__tr2qs_ctx("Resend DCC","dcc"),this,TQ_SLOT(retryDCC()));
	m->insertItem(__tr2qs_ctx("Resend TDCC","dcc"),this,TQ_SLOT(retryTDCC()));
	m->insertItem(__tr2qs_ctx("Resend RevDCC","dcc"),this,TQ_SLOT(retryRevDCC()));
	/* FIX ME credo che il problema sia che se riavvio un trasferimento, a sua volta gia'
		   avviato, questo non ha irc contex, perche' la finestra "in cui e' nato"e' sta
	   quella della dcc. Conservarsi l'id della finestra? */
	int id = m->insertItem(__tr2qs_ctx("Abort","dcc"),this,TQ_SLOT(abort()));
	if(!active())m->setItemEnabled(id,false);
}

void KviDccFileTransfer::configureBandwidth()
{
	if(m_pBandwidthDialog)return;
	m_pBandwidthDialog = new KviDccFileTransferBandwidthDialog(g_pFrame,this);
	connect(m_pBandwidthDialog,TQ_SIGNAL(destroyed()),this,TQ_SLOT(bandwidthDialogDestroyed()));
	m_pBandwidthDialog->setModal(true);
	m_pBandwidthDialog->show();
}

void KviDccFileTransfer::retryDCC()
{
	abort();
	TQString szRemoteNick = m_pDescriptor->remoteNick();
	TQString szFileName = m_pDescriptor->localFileName();
	TQString szId;
	szId.setNum(m_pDescriptor->id());
	TQString szCommand = "dcc.send -r=$console($dcc.irccontext(" + szId + ")) " + szRemoteNick + " " + "\"" + szFileName + "\"";
	KviKvsScript::run(szCommand,g_pActiveWindow);
}

void KviDccFileTransfer::retryTDCC()
{
	abort();
	TQString szRemoteNick = m_pDescriptor->remoteNick();
	TQString szFileName = m_pDescriptor->localFileName();
	TQString szId;
	szId.setNum(m_pDescriptor->id());
	TQString szCommand = "dcc.send -r=$console($dcc.irccontext(" + szId + ")) -t " + szRemoteNick + " " + "\"" + szFileName + "\"";
	KviKvsScript::run(szCommand,g_pActiveWindow);
}
void KviDccFileTransfer::retryRevDCC()
{
	abort();
	TQString szRemoteNick = m_pDescriptor->remoteNick();
	TQString szFileName = m_pDescriptor->localFileName();
	TQString szId;
	szId.setNum(m_pDescriptor->id());
	TQString szCommand = "dcc.rsend -z -r=$console($dcc.irccontext(" + szId + ")) " + szRemoteNick + " " + "\"" + szFileName + "\"";
	KviKvsScript::run(szCommand,g_pActiveWindow);
}

void KviDccFileTransfer::fillStatusString(TQString &szBuffer)
{
	switch(m_eGeneralStatus)
	{
		case Connecting:
			szBuffer = "connecting";
			break;
		case Transferring:
			szBuffer = "transferring";
			break;
		case Failure:
			szBuffer = "failure";
			break;
		case Success:
			szBuffer = "success";
			break;
		default:
			szBuffer = "unknown";
			break;
	}
}

bool KviDccFileTransfer::active()
{
	return ((m_eGeneralStatus == Connecting) || (m_eGeneralStatus == Transferring));
}

int KviDccFileTransfer::bandwidthLimit()
{
	int iLimit = m_uMaxBandwidth; // we have the cached value anyway...
	if(m_pDescriptor->bRecvFile)
	{
		if(m_pSlaveRecvThread)
		{
			m_pSlaveRecvThread->initGetInfo();
			iLimit = (int)m_pSlaveRecvThread->bandwidthLimit();
			m_pSlaveRecvThread->doneGetInfo();
			if(iLimit < 0)iLimit = MAX_DCC_BANDWIDTH_LIMIT;
		}
	} else {
		if(m_pSlaveSendThread)
		{
			m_pSlaveSendThread->initGetInfo();
			iLimit = (int)m_pSlaveSendThread->bandwidthLimit();
			m_pSlaveSendThread->doneGetInfo();
			if(iLimit < 0)iLimit = MAX_DCC_BANDWIDTH_LIMIT;
		}
	}
	return iLimit;
}

void KviDccFileTransfer::setBandwidthLimit(int iVal)
{
	if(iVal < 0)iVal = MAX_DCC_BANDWIDTH_LIMIT;
	if(iVal > MAX_DCC_BANDWIDTH_LIMIT)iVal = MAX_DCC_BANDWIDTH_LIMIT;
	m_uMaxBandwidth = iVal;
	if(m_pDescriptor->bRecvFile)
	{
		if(m_pSlaveRecvThread)
		{
			m_pSlaveRecvThread->initGetInfo();
			m_pSlaveRecvThread->setBandwidthLimit(iVal);
			m_pSlaveRecvThread->doneGetInfo();
		}
	} else {
		if(m_pSlaveSendThread)
		{
			m_pSlaveSendThread->initGetInfo();
			m_pSlaveSendThread->setBandwidthLimit(iVal);
			m_pSlaveSendThread->doneGetInfo();
		}
	}
}

unsigned int KviDccFileTransfer::averageSpeed()
{
	unsigned int iAvgBandwidth = 0;
	if(m_pDescriptor->bRecvFile)
	{
		if(m_pSlaveRecvThread)
		{
			m_pSlaveRecvThread->initGetInfo();
			iAvgBandwidth = (unsigned int)m_pSlaveRecvThread->averageSpeed();
			m_pSlaveRecvThread->doneGetInfo();
		}
	} else {
		if(m_pSlaveSendThread)
		{
			m_pSlaveSendThread->initGetInfo();
			iAvgBandwidth = (unsigned int)m_pSlaveSendThread->averageSpeed();
			m_pSlaveSendThread->doneGetInfo();
		}
	}
	return iAvgBandwidth;
}

unsigned int KviDccFileTransfer::transferredBytes()
{
	unsigned int uTransferred = 0;
	if(m_pDescriptor->bRecvFile)
	{
		if(m_pSlaveRecvThread)
		{
			m_pSlaveRecvThread->initGetInfo();
			uTransferred = m_pSlaveRecvThread->filePosition();
			m_pSlaveRecvThread->doneGetInfo();
		}
	} else {
		if(m_pSlaveSendThread)
		{
			m_pSlaveSendThread->initGetInfo();
			uTransferred = m_pSlaveSendThread->filePosition();
			m_pSlaveSendThread->doneGetInfo();
		}
	}
	return uTransferred;
}

void KviDccFileTransfer::displayPaint(TQPainter * p,int column,int width,int height)
{

	TQString txt;
	bool bIsTerminated = ((m_eGeneralStatus == Success) || (m_eGeneralStatus == Failure));

	switch(column)
	{
		case COLUMN_TRANSFERTYPE:
		{
			int xoffset = 0;
			int yoffset = 0;
			if(m_pDescriptor->bRecvFile)yoffset = 64;
			switch(m_eGeneralStatus)
			{
				case Connecting: xoffset = 0; break;
				case Transferring: xoffset = 48; break;
				case Success: xoffset = 96; break;
				case Failure: xoffset = 144; break;
			}
			p->drawPixmap(3,3,*g_pDccFileTransferIcon,xoffset,yoffset,48,64);
		}
		break;
		case COLUMN_FILEINFO:
		{

			TQFontMetrics fm(p->font());

			TQString szFrom = __tr2qs_ctx("From: ","dcc");
			TQString szTo   = __tr2qs_ctx("To: ","dcc");

			int daW1 = fm.width(szFrom);
			int daW2 = fm.width(szTo);
			if(daW1 < daW2)daW1 = daW2;
			int iLineSpacing = fm.lineSpacing();

			int iY = 4;

			p->setPen(TQt::black);

			KviStr szRemote(KviStr::Format,"dcc://%s@%s:%s/%s",m_pDescriptor->szNick.utf8().data(),m_pDescriptor->szIp.utf8().data(),m_pDescriptor->szPort.utf8().data(),
					m_pDescriptor->szFileName.utf8().data());

			p->drawText(4 + daW1,iY,width - (8 + daW1),height - 8,TQt::AlignTop | TQt::AlignLeft,
					m_pDescriptor->bRecvFile ? szRemote.ptr() : m_pDescriptor->szLocalFileName.utf8().data());
			iY += iLineSpacing;

			p->drawText(4 + daW1,iY,width - (8 + daW1),height - 8,TQt::AlignTop | TQt::AlignLeft,
					m_pDescriptor->bRecvFile ? m_pDescriptor->szLocalFileName.utf8().data() : szRemote.ptr());
			iY += iLineSpacing;


			p->setPen(TQt::darkGray);

			p->drawText(4,4,width - 8,height - 8,TQt::AlignTop | TQt::AlignLeft,szFrom);
			p->drawText(4,4 + iLineSpacing,width - 8,height - 8,TQt::AlignTop | TQt::AlignLeft,szTo);


			p->setPen(TQColor(180,180,200));

			iLineSpacing += 2;

			p->drawRect(4,height - (iLineSpacing + 4),width - 8,iLineSpacing);
			p->fillRect(5,height - (iLineSpacing + 3),width - 10,iLineSpacing - 2,bIsTerminated ? TQColor(210,210,210) : TQColor(190,190,240));

			p->setPen(TQt::black);

			p->drawText(7,height - (iLineSpacing + 4),width - 14,iLineSpacing,TQt::AlignVCenter | TQt::AlignLeft,m_szStatusString);

		}
		break;
		case COLUMN_PROGRESS:
		{

			TQFontMetrics fm(p->font());

			int iW = width - 8;
			int iAvgBandwidth = -1;
			int iInstantSpeed = -1;
			int iAckedBytes = -1;

			int iEta = -1;

			unsigned int uTransferred = 0;

			if(m_pDescriptor->bRecvFile)
			{
				if(m_pSlaveRecvThread)
				{
					m_pSlaveRecvThread->initGetInfo();
					iAvgBandwidth = m_pSlaveRecvThread->averageSpeed();
					iInstantSpeed = m_pSlaveRecvThread->instantSpeed();
					uTransferred = m_pSlaveRecvThread->filePosition();
					m_pSlaveRecvThread->doneGetInfo();
				}
			} else {
				if(m_pSlaveSendThread)
				{
					m_pSlaveSendThread->initGetInfo();
					iAvgBandwidth = m_pSlaveSendThread->averageSpeed();
					iInstantSpeed = m_pSlaveSendThread->instantSpeed();
					uTransferred = m_pSlaveSendThread->filePosition();
					iAckedBytes = m_pSlaveSendThread->ackedBytes();
					m_pSlaveSendThread->doneGetInfo();
				}
			}

			p->setPen(bIsTerminated ? TQt::lightGray : TQColor(210,210,240));
			p->drawRect(4,4,iW,12);

			iW -= 2;

			if(m_uTotalFileSize > 0)
			{
				if(iAvgBandwidth > 0)
				{
					unsigned int uRemaining = m_uTotalFileSize - uTransferred;
					iEta = uRemaining / iAvgBandwidth;
				}

				if(!m_pDescriptor->bNoAcks && (iAckedBytes > 0) && (iAckedBytes < ((int)(uTransferred))))
				{
					// we are sending a file and are getting acks

					double dPerc1 = (double)(((double)uTransferred) * 100.0) / (double)m_uTotalFileSize;
					int iL1 = (int) ((((double)iW) * dPerc1) / 100.0);
					double dPerc2 = (double)(((double)iAckedBytes) * 100.0) / (double)m_uTotalFileSize;
					int iL2 = (int) ((((double)iW) * dPerc2) / 100.0);
					int iW2 = iL1 - iL2;
					if(iW2 > 0)p->fillRect(5 + iL2,5,iW2,10,bIsTerminated ? TQColor(150,130,110) : TQColor(220,170,100));
					p->fillRect(5,5,iL2,10,bIsTerminated ? TQColor(140,110,110) : TQColor(200,100,100));

					txt = TQString(__tr2qs_ctx("%1 of %2 (%3%)","dcc")).arg(KviTQString::makeSizeReadable(iAckedBytes)).arg(KviTQString::makeSizeReadable(m_uTotalFileSize)).arg(dPerc2,0,'f',2);
				} else {
					// we are receiving a file or not sending acks
					double dPerc = (double)(((double)uTransferred) * 100.0) / (double)m_uTotalFileSize;
					int iL = (int) ((((double)iW) * dPerc) / 100.0);
					p->fillRect(5,5,iL,10,bIsTerminated ? TQColor(140,110,110) : TQColor(200,100,100));

					txt = TQString(__tr2qs_ctx("%1 of %2 (%3%)","dcc")).arg(KviTQString::makeSizeReadable(uTransferred)).arg(KviTQString::makeSizeReadable(m_uTotalFileSize)).arg(dPerc,0,'f',2);
				}

			} else {
				txt = TQString(__tr2qs_ctx("%1","dcc")).arg(KviTQString::makeSizeReadable(uTransferred));
			}

			p->setPen(TQt::black);

			p->drawText(4,19,width - 8,height - 8,TQt::AlignTop | TQt::AlignLeft,txt);

			int iLeftHalf = (iW - 2) / 2;
			int iRightHalf = iW - (iLeftHalf + 1);
			int iLineSpacing = fm.lineSpacing() + 2;

			if(!bIsTerminated)
			{
				txt = __tr2qs_ctx("Spd:","dcc");
				txt += " ";
				if(iInstantSpeed >= 0)
				{
					TQString tmpisp;
					KviNetUtils::formatNetworkBandwidthString(tmpisp,iInstantSpeed);
					txt += tmpisp;
				} else {
					txt += "? B/s";
				}
				txt += " [";
			} else {
				txt = "";
			}

			txt += __tr2qs_ctx("Avg:","dcc");
			txt += " ";
			if(iAvgBandwidth >= 0)
			{
				TQString tmpspd;
				KviNetUtils::formatNetworkBandwidthString(tmpspd,iAvgBandwidth);
				txt += tmpspd;
			} else {
				txt += "? B/s";
			}

			if(!bIsTerminated)
			{
				txt += "]";
			}

			int iDaH = height - (iLineSpacing + 4);

			p->setPen(TQColor(180,180,200));
			p->drawRect(4,iDaH,iLeftHalf,iLineSpacing);
			p->fillRect(5,iDaH + 1,iLeftHalf - 2,iLineSpacing - 2,bIsTerminated ? TQColor(210,210,210) : TQColor(190,190,240));
			p->setPen(bIsTerminated ? TQt::darkGray : TQt::black);
			p->drawText(6,iDaH,iLeftHalf - 4,iLineSpacing,TQt::AlignLeft | TQt::AlignVCenter,txt);

			if(bIsTerminated)
			{
				if((m_tTransferStartTime != 0) && (m_tTransferEndTime != 0))
				{
					TQString tot = KviTimeUtils::formatTimeInterval(kvi_timeSpan(m_tTransferEndTime,m_tTransferStartTime),KviTimeUtils::NoLeadingEmptyIntervals | KviTimeUtils::NoLeadingZeroes);
					txt = "TOT: ";
					txt += tot;
				} else {
					txt = "";
				}
			} else {
				if(iEta >= 0)
				{
					TQString eta = KviTimeUtils::formatTimeInterval(iEta,KviTimeUtils::NoLeadingEmptyIntervals | KviTimeUtils::NoLeadingZeroes);
					txt = "ETA: ";
					txt += eta;
				} else {
					txt = "ETA: ?";
				}
			}

			p->setPen(TQColor(180,180,200));
			p->drawRect(width - (4 + iRightHalf),iDaH,iRightHalf,iLineSpacing);
			p->fillRect(width - (3 + iRightHalf),iDaH + 1,iRightHalf - 2,iLineSpacing - 2,bIsTerminated ? TQColor(210,210,210) : TQColor(190,190,240));
			p->setPen(bIsTerminated ? TQt::darkGray : TQt::black);
			p->drawText(width - (2 + iRightHalf),iDaH,iRightHalf - 4,iLineSpacing,TQt::AlignLeft | TQt::AlignVCenter,txt);

		}
		break;
	}

}

int KviDccFileTransfer::displayHeight(int iLineSpacing)
{
	int iH = (iLineSpacing * 3) + 10;
	return iH >= 70 ? iH : 70;
}

TQString KviDccFileTransfer::tipText()
{

	TQString s;

	s = TQString("<table><tr><td bgcolor=\"#000000\"><font color=\"#FFFFFF\"><b>DCC %1 (ID %2)</b></font></td></tr>").arg(m_szDccType.ptr()).arg(id());

	s += "<tr><td bgcolor=\"#404040\"><font color=\"#FFFFFF\">";
	s += __tr2qs_ctx("Transfer Log","dcc");
	s += "</font></td></tr>";
	s += "<tr><td bgcolor=\"#C0C0C0\">";
	s += m_szTransferLog;
	s += "</td></tr>";
	s += "<table>";

	return s;
}

void KviDccFileTransfer::init()
{
	if(g_pDccFileTransfers)return;
	g_pDccFileTransfers = new KviPointerList<KviDccFileTransfer>;
	g_pDccFileTransfers->setAutoDelete(false);

	TQPixmap * pix = g_pIconManager->getImage("kvi_dccfiletransfericons.png");
	if(pix)g_pDccFileTransferIcon = new TQPixmap(*pix);
	else g_pDccFileTransferIcon = new TQPixmap(192,128);
}

void KviDccFileTransfer::done()
{
	if(!g_pDccFileTransfers)return;
	while(KviDccFileTransfer * t = g_pDccFileTransfers->first())
		delete t;
	delete g_pDccFileTransfers;
	g_pDccFileTransfers = 0;
	delete g_pDccFileTransferIcon;
	g_pDccFileTransferIcon = 0;
}

unsigned int KviDccFileTransfer::transferCount()
{
	if(!g_pDccFileTransfers)return 0;
	return g_pDccFileTransfers->count();
}

KviDccFileTransfer * KviDccFileTransfer::nonFailedTransferWithLocalFileName(const TQString &szLocalFileName)
{
	if(!g_pDccFileTransfers)return 0;
	for(KviDccFileTransfer * t = g_pDccFileTransfers->first();t;t = g_pDccFileTransfers->next())
	{
#ifdef COMPILE_ON_WINDOWS
		// on windows the file names are case insensitive
		if(t->localFileName().lower() == szLocalFileName.lower())
#else
		if(t->localFileName() == szLocalFileName)
#endif
		{
			if(t->m_eGeneralStatus != Failure)
				return t;
		}
	}
	return 0;
}


unsigned int KviDccFileTransfer::runningTransfersCount()
{
	if(!g_pDccFileTransfers)return 0;
	unsigned int cnt = 0;
	for(KviDccFileTransfer * t = g_pDccFileTransfers->first();t;t = g_pDccFileTransfers->next())
	{
		if(t->active())cnt++;
	}
	return cnt;
}

bool KviDccFileTransfer::handleResumeAccepted(const char * filename,const char * port,const char * szZeroPortTag)
{
	if(!g_pDccFileTransfers)return false;

	for(KviDccFileTransfer * t = g_pDccFileTransfers->first();t;t = g_pDccFileTransfers->next())
	{
		if(t->resumeAccepted(filename,port,szZeroPortTag))return true;
	}

	return false;
}

bool KviDccFileTransfer::handleResumeRequest(const char * filename,const char * port,unsigned int filePos)
{
	if(!g_pDccFileTransfers)return false;

	for(KviDccFileTransfer * t = g_pDccFileTransfers->first();t;t = g_pDccFileTransfers->next())
	{
		if(t->doResume(filename,port,filePos))return true;
	}

	return false;
}

void KviDccFileTransfer::outputAndLog(const TQString &s)
{
	KviWindow * out = transferWindow();
	addToTransferLog(s);
	if(out)out->output(KVI_OUT_DCCMSG,"[%Q]: %Q",&m_szTransferIdString,&s);
}

void KviDccFileTransfer::outputAndLog(int msgtype,const TQString &s)
{
	KviWindow * out = transferWindow();
	addToTransferLog(s);
	if(out)out->output(msgtype,"[%Q]: %Q",&m_szTransferIdString,&s);
}


void KviDccFileTransfer::addToTransferLog(const TQString &s)
{
	TQDateTime dt = TQDateTime::currentDateTime();
	TQString ts;
	ts.sprintf("[%4d.%2d.%2d %2d:%2d:%2d] ",dt.date().year(),dt.date().month(),dt.date().day(),dt.time().hour(),dt.time().minute(),dt.time().second());
	m_szTransferLog += ts+s;
	m_szTransferLog += "<br>";
}


void KviDccFileTransfer::connectionInProgress()
{
	if(m_pDescriptor->bActive)
	{
		// ACTIVE CONNECTION
//		if((kvi_strEqualCS(m_szDccType.ptr(), "RECV")) || (kvi_strEqualCS(m_szDccType.ptr(),"TRECV")))
//		{
//			// FIXME: that's not true!... we're NOT connected here
//			if(TRIGGER_EVENT_5PARAM_RETVALUE(KviEvent_OnDCCGetConnected,this,m_pDescriptor->szPort.ptr(),m_pDescriptor->szFileName.ptr(),m_pDescriptor->szNick.ptr(),m_pDescriptor->szUser.ptr(),m_pDescriptor->szHost.ptr()));
//		} else {
//			if(TRIGGER_EVENT_5PARAM_RETVALUE(KviEvent_OnDCCSendConnected,this,m_pDescriptor->szPort.ptr(),m_pDescriptor->szFileName.ptr(),m_pDescriptor->szNick.ptr(),m_pDescriptor->szUser.ptr(),m_pDescriptor->szHost.ptr()));
//		}
//
		m_szStatusString = __tr2qs_ctx("Contacting host %1 on port %2","dcc").arg(m_pDescriptor->szIp).arg(m_pDescriptor->szPort);
		outputAndLog(m_szStatusString);
		displayUpdate();
		return;
	}

	// PASSIVE CONNECTION
	m_szStatusString = __tr2qs_ctx("Listening on interface %1 port %2","dcc").arg(m_pMarshal->localIp()).arg(m_pMarshal->localPort());
	outputAndLog(m_szStatusString);

	if(m_pDescriptor->bSendRequest)
	{
		TQString ip;
		if(!m_pDescriptor->szFakeIp.isEmpty())
		{
			ip = m_pDescriptor->szFakeIp;
		} else {
			ip = m_pDescriptor->szListenIp;

			if(KVI_OPTION_BOOL(KviOption_boolDccGuessIpFromServerWhenLocalIsUnroutable))
			{
				if(!KviNetUtils::isRoutableIpString(ip))
				{
					// try to get the IP that the IRC server can see
					if(m_pDescriptor->console())
					{
						TQString tmp = m_pDescriptor->console()->connection() ? m_pDescriptor->console()->connection()->userInfo()->hostIp() : "";
						if(!tmp.isEmpty())
						{
							ip = tmp;
							outputAndLog(__tr2qs_ctx("The local IP address is private, determining from IRC server: %1","dcc").arg(ip));
						} else {
							outputAndLog(__tr2qs_ctx("The local IP address is private, but unable to determine it from the IRC server","dcc"));
						}
					} else {
						outputAndLog(__tr2qs_ctx("The local IP address is private, but have no IRC server to determine it from","dcc"));
					}
				}
			}
		}

		KviStr port   = !m_pDescriptor->szFakePort.isEmpty() ? m_pDescriptor->szFakePort : m_pMarshal->localPort();
		//#warning "OPTION FOR SENDING 127.0.0.1 and so on (not an unsigned nuumber)"
		struct in_addr a;
		if(KviNetUtils::stringIpToBinaryIp(ip,&a))ip.setNum(htonl(a.s_addr));

		TQString tmp = m_pDescriptor->szFileName;
		// just to be sure
		KviTQString::cutToLast(tmp,'/');
		KviTQString::cutToLast(tmp,'\\');

		TQString fName;

		// BUG-TO-BUG mIrc compatibility
		if(KVI_OPTION_BOOL(KviOption_boolDCCFileTransferReplaceOutgoingSpacesWithUnderscores))
			tmp.replace(" ","_");

		KviServerParser::encodeCtcpParameter(tmp.utf8().data(),fName);
		// Zero port requests want DCC SEND as back-request
		KviStr szReq;

		if(m_pDescriptor->isZeroPortRequest())
		{
			szReq = "SEND";
			m_pDescriptor->console()->connection()->sendFmtData("PRIVMSG %s :%cDCC %s %s %s %s %s %s%c",
					m_pDescriptor->console()->connection()->encodeText(m_pDescriptor->szNick).data(),
					0x01,
					m_pDescriptor->console()->connection()->encodeText(szReq.ptr()).data(),
					m_pDescriptor->console()->connection()->encodeText(fName).data(),
					ip.utf8().data(),port.ptr(),
					m_pDescriptor->szFileSize.utf8().data(),m_pDescriptor->zeroPortRequestTag(),0x01);
		} else {
			szReq = m_szDccType;
			m_pDescriptor->console()->connection()->sendFmtData("PRIVMSG %s :%cDCC %s %s %s %s %Q%c",
					m_pDescriptor->console()->connection()->encodeText(m_pDescriptor->szNick).data(),
					0x01,
					m_pDescriptor->console()->connection()->encodeText(szReq.ptr()).data(),
					m_pDescriptor->console()->connection()->encodeText(fName).data(),
					ip.utf8().data(),port.ptr(),
					&(m_pDescriptor->szLocalFileSize),0x01);
		}
		outputAndLog(__tr2qs_ctx("Sent DCC %1 request to %2, waiting for remote client to connect...","dcc").arg(szReq.ptr()).arg(m_pDescriptor->szNick));
	} else {
		outputAndLog(__tr2qs_ctx("DCC %1 request not sent, awaiting manual connection","dcc").arg(m_szDccType.ptr()));
	}

	KVS_TRIGGER_EVENT_1(KviEvent_OnDCCFileTransferConnectionInProgress,eventWindow(),m_pDescriptor->idString());

	displayUpdate();
}

void KviDccFileTransfer::startingSSLHandshake()
{
#ifdef COMPILE_SSL_SUPPORT
	outputAndLog(KVI_OUT_SSL,__tr2qs_ctx("Low-level transport connection established","dcc"));
	outputAndLog(KVI_OUT_SSL,__tr2qs_ctx("Starting Secure Socket Layer handshake","dcc"));
#endif
}

void KviDccFileTransfer::sslError(const char * msg)
{
#ifdef COMPILE_SSL_SUPPORT
	outputAndLog(KVI_OUT_DCCERROR,__tr2qs_ctx("[SSL ERROR]: %1","dcc").arg(msg));
#endif
}




bool KviDccFileTransfer::event(TQEvent *e)
{
	if(e->type() == KVI_THREAD_EVENT)
	{
		switch(((KviThreadEvent *)e)->id())
		{
			case KVI_DCC_THREAD_EVENT_ERROR:
			{
				int * err = ((KviThreadDataEvent<int> *)e)->getData();
				TQString szErrorString = KviError::getDescription(*err);
				delete err;
				if(m_pDescriptor->bRecvFile)
					g_pApp->fileDownloadTerminated(false,m_pDescriptor->szFileName.utf8().data(),m_pDescriptor->szLocalFileName.utf8().data(),m_pDescriptor->szNick.utf8().data(),szErrorString.utf8().data());

				m_szStatusString = __tr2qs_ctx("Transfer failed: ","dcc");
				m_szStatusString += szErrorString;
				m_eGeneralStatus = Failure;
				m_tTransferEndTime = kvi_unixTime();

				KVS_TRIGGER_EVENT_3(KviEvent_OnDCCFileTransferFailed,
						eventWindow(),
						szErrorString,
						(kvs_int_t)(m_pSlaveRecvThread ? m_pSlaveRecvThread->receivedBytes() : m_pSlaveSendThread->sentBytes()),
						m_pDescriptor->idString());

				outputAndLog(KVI_OUT_DCCERROR,m_szStatusString);
				displayUpdate();
				return true;
			}
			break;
			case KVI_DCC_THREAD_EVENT_SUCCESS:
			{
				// FIXME: for >= 3.2.0 change this text to
				// File Upload/Download terminated, or something like this
				if(KVI_OPTION_BOOL(KviOption_boolNotifyDccSendSuccessInConsole))
				{
					KviConsole *c;
					if(!g_pApp->windowExists(m_pDescriptor->console())) c=g_pApp->activeConsole();
					else c=m_pDescriptor->console();
					c->output(KVI_OUT_DCCMSG,__tr2qs_ctx("DCC %s transfer with %Q@%Q:%Q completed: \r![!dbl]play $0\r%s\r","dcc"),
						m_pDescriptor->bIsTdcc ? (m_pDescriptor->bRecvFile ? "TRECV" : "TSEND") : (m_pDescriptor->bRecvFile ? "RECV" : "SEND"),
						&(m_pDescriptor->szNick),&(m_pDescriptor->szIp),&(m_pDescriptor->szPort),
						&(m_pDescriptor->szLocalFileName));
				}
				/*
				// Also add an optional message to the notifier, unless it is an AVATAR download!
				if(KVI_OPTION_BOOL(KviOption_boolNotifiDccDownloadSuccessInNotifier))
				{
					TQString szMsg;
					KviTQString::sprintf(szMsg,__tr2qs_ctx(""));
					g_pApp->notifierMessage(0,KVI_SMALLICON_DCCMSG,szMsg,30);
				}
				*/
				if(m_pDescriptor->bRecvFile)g_pApp->fileDownloadTerminated(true,m_pDescriptor->szFileName.utf8().data(),m_pDescriptor->szLocalFileName.utf8().data(),m_pDescriptor->szNick.utf8().data());
				m_szStatusString = __tr2qs_ctx("Transfer completed","dcc");
				outputAndLog(m_szStatusString);
				m_eGeneralStatus = Success;
				m_tTransferEndTime = kvi_unixTime();

				KVS_TRIGGER_EVENT_2(KviEvent_OnDCCFileTransferSuccess,
					eventWindow(),
					(kvs_int_t)(m_pSlaveRecvThread ? m_pSlaveRecvThread->receivedBytes() : m_pSlaveSendThread->sentBytes()),
					m_pDescriptor->idString());

				displayUpdate();

				if(KVI_OPTION_BOOL(KviOption_boolAutoCloseDccSendOnSuccess))die();
				return true;
			}
			break;
			case KVI_DCC_THREAD_EVENT_MESSAGE:
			{
				KviStr * str = ((KviThreadDataEvent<KviStr> *)e)->getData();
				outputAndLog(TQString(__tr_no_xgettext_ctx(str->ptr(),"dcc")));
				delete str;
				return true;
			}
			break;
			default:
				tqDebug("Invalid event type %d received",((KviThreadEvent *)e)->id());
			break;
		}
	}
//#warning "Remove this!"
//	if(e->type() == TQEvent::Close)tqDebug("Close event received");
	return KviFileTransfer::event(e);
}

void KviDccFileTransfer::handleMarshalError(int err)
{
	TQString szErr = KviError::getDescription(err);
	m_eGeneralStatus = Failure;
	m_szStatusString = __tr2qs_ctx("Transfer failed: ","dcc");
	m_szStatusString += szErr;
	outputAndLog(m_szStatusString);
	KVS_TRIGGER_EVENT_3(KviEvent_OnDCCFileTransferFailed,eventWindow(),szErr,(kvs_int_t)0,m_pDescriptor->idString());
	displayUpdate();
}

void KviDccFileTransfer::connected()
{
	outputAndLog(__tr2qs_ctx("Connected to %1:%2","dcc").arg(m_pMarshal->remoteIp()).arg(m_pMarshal->remotePort()));
	outputAndLog(__tr2qs_ctx("Local end is %1:%2","dcc").arg(m_pMarshal->localIp()).arg(m_pMarshal->localPort()));

	m_tTransferStartTime = kvi_unixTime();

	if(!(m_pDescriptor->bActive))
	{
		m_pDescriptor->szIp   = m_pMarshal->remoteIp();
		m_pDescriptor->szPort = m_pMarshal->remotePort();
		m_pDescriptor->szHost = m_pMarshal->remoteIp();
	}

	if(m_pDescriptor->bRecvFile)
	{
		KviDccRecvThreadOptions * o = new KviDccRecvThreadOptions;
		o->szFileName      = m_pDescriptor->szLocalFileName.utf8().data();
		bool bOk;
		o->iTotalFileSize  = m_pDescriptor->szFileSize.toInt(&bOk);
		if(!bOk)o->iTotalFileSize = -1;
		o->bResume         = m_pDescriptor->bResume;
		o->iIdleStepLengthInMSec = KVI_OPTION_BOOL(KviOption_boolDccSendForceIdleStep) ? KVI_OPTION_UINT(KviOption_uintDccSendIdleStepInMSec) : 0;
		o->bIsTdcc         = m_pDescriptor->bIsTdcc;
		o->bSendZeroAck    = KVI_OPTION_BOOL(KviOption_boolSendZeroAckInDccRecv);
		o->bNoAcks         = m_pDescriptor->bNoAcks;
		o->uMaxBandwidth   = m_uMaxBandwidth;
		m_pSlaveRecvThread = new KviDccRecvThread(this,m_pMarshal->releaseSocket(),o);
		m_pSlaveRecvThread->start();
	} else {
		KviDccSendThreadOptions * o = new KviDccSendThreadOptions;
		o->szFileName      = m_pDescriptor->szLocalFileName.utf8().data();
		o->bFastSend       = KVI_OPTION_BOOL(KviOption_boolUseFastDccSend);
		o->iIdleStepLengthInMSec = KVI_OPTION_BOOL(KviOption_boolDccSendForceIdleStep) ? KVI_OPTION_UINT(KviOption_uintDccSendIdleStepInMSec) : 0;
		bool bOk;
		o->bIsTdcc         = m_pDescriptor->bIsTdcc;
		o->iStartPosition  = m_pDescriptor->szFileSize.toInt(&bOk);
		if(!bOk || (o->iStartPosition < 0))o->iStartPosition = 0;
		o->iPacketSize     = KVI_OPTION_UINT(KviOption_uintDccSendPacketSize);
		if(o->iPacketSize < 32)o->iPacketSize = 32;
		o->uMaxBandwidth   = m_uMaxBandwidth;
		o->bNoAcks         = m_pDescriptor->bNoAcks;
		m_pSlaveSendThread = new KviDccSendThread(this,m_pMarshal->releaseSocket(),o);
		m_pSlaveSendThread->start();
	}

	m_eGeneralStatus = Transferring;
	m_szStatusString = __tr2qs_ctx("Transferring data","dcc");

	KVS_TRIGGER_EVENT_1(KviEvent_OnDCCFileTransferBegin,eventWindow(),m_pDescriptor->idString());

	outputAndLog(m_szStatusString);
	displayUpdate();
}

bool KviDccFileTransfer::resumeAccepted(const char *filename,const char *port,const char *szZeroPortTag)
{
	if(!(kvi_strEqualCI(filename,m_pDescriptor->szFileName.utf8().data()) || KVI_OPTION_BOOL(KviOption_boolAcceptBrokenFileNameDccResumeRequests)))
		return false;

	if(!(kvi_strEqualCI(port,m_pDescriptor->szPort.utf8().data()) &&
			(!m_pSlaveRecvThread) && m_pDescriptor->bResume && m_pDescriptor->bRecvFile && m_pResumeTimer))
		return false;

	if(kvi_strEqualCI(port,"0"))
	{
		if(!kvi_strEqualCI(szZeroPortTag,m_pDescriptor->zeroPortRequestTag()))
			return false;
	}

	delete m_pResumeTimer;
	m_pResumeTimer = 0;

	outputAndLog(__tr2qs_ctx("RESUME accepted, transfer will begin at position %1","dcc").arg(m_pDescriptor->szLocalFileSize));

	listenOrConnect();

	/*
	int ret = m_pMarshal->dccConnect(m_pDescriptor->szIp.utf8().data(),
					m_pDescriptor->szPort.utf8().data(),m_pDescriptor->bDoTimeout);

	if(ret != KviError_success)handleMarshalError(ret);
	else {
		m_szStatusString = __tr2qs_ctx("Contacting host %1 on port %2","dcc").arg(m_pDescriptor->szIp).arg(m_pDescriptor->szPort);
		outputAndLog(m_szStatusString);
		displayUpdate();
	}
	*/

	return true;
}

bool KviDccFileTransfer::doResume(const char * filename,const char * port,unsigned int filePos)
{
	if(KviTQString::equalCI(port,m_pMarshal->dccPort()) &&
		(!m_pSlaveRecvThread) && (!m_pDescriptor->bRecvFile))
	{
		if(KviTQString::equalCI(filename,m_pDescriptor->szFileName) || KVI_OPTION_BOOL(KviOption_boolAcceptBrokenFileNameDccResumeRequests))
		{
			bool bOk;
			unsigned int iLocalFileSize = m_pDescriptor->szLocalFileSize.toUInt(&bOk);
			if(!bOk)
			{
				// ops...internal error
				outputAndLog(KVI_OUT_DCCERROR,__tr2qs_ctx("Internal error in RESUME request","dcc"));
				return false;
			}
			if(iLocalFileSize <= filePos)
			{
				outputAndLog(KVI_OUT_DCCERROR,__tr2qs_ctx("Invalid RESUME request: Position %1 is larger than file size","dcc").arg(filePos));
				return false;
			}

			outputAndLog(KVI_OUT_DCCERROR,__tr2qs_ctx("Accepting RESUME request, transfer will begin at position %1","dcc").arg(filePos));

			m_pDescriptor->szFileSize.setNum(filePos);


			KviStr szBuffy;
			KviServerParser::encodeCtcpParameter(filename,szBuffy);

			m_pDescriptor->console()->connection()->sendFmtData("PRIVMSG %s :%cDCC ACCEPT %s %s %u%c",
				m_pDescriptor->console()->connection()->encodeText(m_pDescriptor->szNick).data(),
				0x01,
				m_pDescriptor->console()->connection()->encodeText(szBuffy.ptr()).data(),
				port,filePos,0x01);
			return true;
		}
	}
	return false;
}






KviDccFileTransferBandwidthDialog::KviDccFileTransferBandwidthDialog(TQWidget * pParent,KviDccFileTransfer * t)
: TQDialog(pParent)
{
	TQGridLayout * g = new TQGridLayout(this,3,3,4,4);

	m_pTransfer = t;
	int iVal = m_pTransfer->bandwidthLimit();

	TQString szText = __tr2qs_ctx("Configure bandwidth for DCC transfer %1","dcc").arg(t->id());
	setCaption(szText);

	szText = t->isFileUpload() ? __tr2qs_ctx("Limit upload bandwidth to","dcc") : __tr2qs_ctx("Limit download bandwidth to","dcc");

	m_pEnableLimitCheck = new KviStyledCheckBox(szText,this);
	g->addWidget(m_pEnableLimitCheck,0,0);

	m_pEnableLimitCheck->setChecked((iVal >= 0) && (iVal < MAX_DCC_BANDWIDTH_LIMIT));

	m_pLimitBox = new TQSpinBox(0,MAX_DCC_BANDWIDTH_LIMIT-1,1,this);
	m_pLimitBox->setEnabled((iVal >= 0) && (iVal < MAX_DCC_BANDWIDTH_LIMIT));
	connect(m_pEnableLimitCheck,TQ_SIGNAL(toggled(bool)),m_pLimitBox,TQ_SLOT(setEnabled(bool)));
	g->addMultiCellWidget(m_pLimitBox,0,0,1,2);

	szText = " ";
	szText += __tr2qs_ctx("bytes/sec","dcc");
	m_pLimitBox->setSuffix(szText);
	m_pLimitBox->setValue(iVal < MAX_DCC_BANDWIDTH_LIMIT ? iVal : 0);

	TQPushButton * pb = new TQPushButton(__tr2qs_ctx("OK","dcc"),this);
	connect(pb,TQ_SIGNAL(clicked()),this,TQ_SLOT(okClicked()));
	pb->setMinimumWidth(80);
	g->addWidget(pb,2,2);

	pb = new TQPushButton(__tr2qs_ctx("Cancel","dcc"),this);
	connect(pb,TQ_SIGNAL(clicked()),this,TQ_SLOT(cancelClicked()));
	pb->setMinimumWidth(80);
	g->addWidget(pb,2,1);

	g->setColStretch(0,1);
	g->setRowStretch(1,1);
}

KviDccFileTransferBandwidthDialog::~KviDccFileTransferBandwidthDialog()
{
}

void KviDccFileTransferBandwidthDialog::okClicked()
{
	int iVal = MAX_DCC_BANDWIDTH_LIMIT;
	if(m_pEnableLimitCheck->isChecked())
	{
		iVal = m_pLimitBox->value();
		if(iVal < 0)iVal = MAX_DCC_BANDWIDTH_LIMIT;
		if(iVal > MAX_DCC_BANDWIDTH_LIMIT)iVal = MAX_DCC_BANDWIDTH_LIMIT;
	}
	m_pTransfer->setBandwidthLimit(iVal);
	delete this;
}

void KviDccFileTransferBandwidthDialog::cancelClicked()
{
	delete this;
}

void KviDccFileTransferBandwidthDialog::closeEvent(TQCloseEvent * e)
{
	e->ignore();
	delete this;
}




#include "send.moc"
