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Oliver Groß 2009-04-20 13:29:36 +02:00
commit 40a3dd027f
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.gitignore vendored Normal file
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Makefile
Doxyfile
*.kdevelop
*.kdevelop.pcs
*.kdevses
*~
mumodel
build
ui

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "cconnectiondialog.h"
#include <QDialogButtonBox>
#include <QLabel>
#include <QLineEdit>
#include <QSpinBox>
#include <QFormLayout>
#include <QVBoxLayout>
#include <QMessageBox>
namespace qftrans {
CConnectionDialog::CConnectionDialog(QWidget * parent, Qt::WindowFlags f) : QDialog(parent, f) {
setupUi();
}
CConnectionDialog::~CConnectionDialog() {
}
bool CConnectionDialog::execute(bool isServer) {
m_HostEdit->setEnabled(!isServer);
m_HostLabel->setEnabled(!isServer);
if (m_HostEdit->text().isEmpty())
m_HostEdit->setText("localhost");
return exec();
}
QString CConnectionDialog::host() { return m_HostEdit->text(); }
quint16 CConnectionDialog::port() { return (quint16)m_PortEdit->value(); }
inline void CConnectionDialog::setupUi() {
m_HostEdit = new QLineEdit(this);
m_HostLabel = new QLabel(tr("&Host"), this);
m_HostLabel->setBuddy(m_HostEdit);
m_PortEdit = new QSpinBox(this);
m_PortEdit->setMinimum(0);
m_PortEdit->setMaximum(65535);
m_PortEdit->setValue(8899);
m_PortLabel = new QLabel(tr("&Port"), this);
m_PortLabel->setBuddy(m_PortLabel);
QDialogButtonBox * buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, this);
QFormLayout * formLayout = new QFormLayout();
formLayout->addRow(m_HostLabel, m_HostEdit);
formLayout->addRow(m_PortLabel, m_PortEdit);
QVBoxLayout * mainLayout = new QVBoxLayout();
mainLayout->addLayout(formLayout);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(checkHost()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
}
void CConnectionDialog::checkHost() {
if (m_HostEdit->isEnabled()) {
if (m_HostEdit->text().isEmpty())
QMessageBox::warning(this, tr("Invalid host"), tr("You have to specify a host name/address."));
else
accept();
}
else
accept();
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANSCCONNECTIONDIALOG_H
#define QFTRANSCCONNECTIONDIALOG_H
#include <QDialog>
class QLineEdit;
class QSpinBox;
class QLabel;
namespace qftrans {
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CConnectionDialog : public QDialog {
Q_OBJECT
public:
CConnectionDialog(QWidget * parent = 0, Qt::WindowFlags f = 0);
~CConnectionDialog();
bool execute(bool isServer);
QString host();
quint16 port();
private:
QLabel * m_HostLabel;
QLabel * m_PortLabel;
QLineEdit * m_HostEdit;
QSpinBox * m_PortEdit;
inline void setupUi();
private slots:
void checkHost();
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QList>
#include <QHash>
#ifndef QFTRANS_COMMON_H
#define QFTRANS_COMMON_H
#define RAWPACKET_SIZE 9
#define DATA_BLOCK_SIZE 256
#define DESCRIPTOR_STRING "QFTH"
namespace qftrans {
enum TransferStatus {TS_WAITING = 0, TS_ANNOUNCING = 1, TS_TRANSFERING = 2, TS_CLOSING = 3, TS_FINISHED = 4};
enum HeaderType {HT_ID = 0, HT_SIZE = 1, HT_NAME = 2, HT_DATA = 3, HT_CLOSE = 4, HT_ACK = 5, HT_CANCEL = 6};
struct TransferData {
QString fileDir;
QString fileName;
TransferStatus status;
bool localFile;
qint64 size;
qint64 transfered;
HeaderType lastHeader;
};
struct TransferHeader {
char descriptor[5];
quint8 type;
quint32 id;
quint32 length;
TransferHeader() {
descriptor[0] = 'Q';
descriptor[1] = 'F';
descriptor[2] = 'T';
descriptor[3] = 'H';
descriptor[4] = 0;
}
};
typedef QList<TransferData *> QTransferDataList;
typedef QHash<quint32, TransferData *> QTransferDataHash;
typedef QHash<TransferData *, quint32> QTransferIdHash;
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "crecievethread.h"
#include <QTcpSocket>
#include <QByteArray>
#include <QDataStream>
#include <QFile>
#include <QDir>
namespace qftrans {
CRecieveThread::CRecieveThread(QString & destinationDir, QTcpSocket * socket, QObject * parent) :
QThread(parent), m_Socket(socket), m_DestinationDir(destinationDir)
{
}
CRecieveThread::~CRecieveThread() {
}
void CRecieveThread::setDestinationDir(QString & value) {
m_DestinationDir = value;
}
// TODO removeDownload(...)
void CRecieveThread::removeDownload(TransferData * /*data*/) {
}
void CRecieveThread::readData() {
QDataStream in(m_Socket);
in.setVersion(QDataStream::Qt_4_0);
if (m_Socket->bytesAvailable() >= (qint64)(sizeof(TransferHeader))) {
in.readRawData((char *)(&m_LastHeader), sizeof(TransferHeader));
m_LastHeaderValid = (qstrcmp(m_LastHeader.descriptor, DESCRIPTOR_STRING) == 0);
qDebug() << "got header" << m_LastHeader.type;
if (m_LastHeaderValid)
qDebug() << "valid";
else
qDebug() << "invalid";
qDebug() << "id" << m_LastHeader.id;
qDebug() << "length" << m_LastHeader.length;
}
else
m_LastHeaderValid = false;
TransferData * target = NULL;
while (m_LastHeaderValid) {
qDebug() << "available Bytes" << m_Socket->bytesAvailable();
if (m_Socket->bytesAvailable() >= m_LastHeader.length) {
//look for existing id
if (m_LastHeader.type == HT_ACK) {
qDebug() << "got HT_ACK .. requesting to start upload";
emit uploadStartRequest(m_LastHeader.id);
}
else {
if (m_DataDict.contains(m_LastHeader.id)) {
if (m_LastHeader.type == HT_CLOSE) {
//finished or canceled by peer
qDebug() << "download closed py peer";
emit downloadRemoved(m_DataDict.take(m_LastHeader.id));
}
else
//assign target
target = m_DataDict[m_LastHeader.id];
}
//id not in dict
else if (m_LastHeader.type == HT_ID) {
//new file announced
qDebug() << "download announced";
TransferData * newFile = new TransferData;
m_DataDict.insert(m_LastHeader.id, newFile);
newFile->transfered = 0;
newFile->size = 0;
newFile->localFile = false;
newFile->status = TS_WAITING;
newFile->fileDir = m_DestinationDir;
}
//check valid target and data available
if (target && m_LastHeader.length) {
switch (m_LastHeader.type) {
case HT_ID:
target->status = TS_WAITING;
QFile::remove(target->fileDir + QDir::separator() + target->fileName);
emit downloadUpdated(target);
break;
case HT_SIZE:
qDebug() << "reading size..";
in >> target->size;
qDebug() << "got size:" << target->size;
break;
case HT_NAME:
qDebug() << "reading filename..";
in >> target->fileName;
qDebug() << "got filename:" << target->fileName;
qDebug() << "requesting to send HT_ACK";
emit downloadAcknowledged(m_LastHeader.id);
break;
case HT_DATA: {
// qDebug() << "got data" << target->transfered << '/' << target->size;
if (target->status == TS_WAITING) {
target->status = TS_TRANSFERING;
emit downloadAdded(target);
}
char * buffer = new char[m_LastHeader.length];
in.readRawData(buffer, m_LastHeader.length);
// QFile file(target->fileDir + QDir::separator() + target->fileName);
// file.open(QIODevice::WriteOnly | QIODevice::Append);
// QDataStream out(&file);
// out.writeRawData((const char *)(buffer), m_LastHeader.length);
target->transfered += m_LastHeader.length;
delete[] buffer;
emit downloadUpdated(target);
}
break;
default:
in.skipRawData(m_LastHeader.length);
break;
}
}
}
}
if (m_Socket->bytesAvailable() >= (qint64)(sizeof(TransferHeader))) {
in.readRawData((char *)(&m_LastHeader), sizeof(TransferHeader));
m_LastHeaderValid = (qstrcmp(m_LastHeader.descriptor, DESCRIPTOR_STRING) == 0);
qDebug() << "got header" << m_LastHeader.type;
if (m_LastHeaderValid)
qDebug() << "valid";
else
qDebug() << "invalid";
qDebug() << "id" << m_LastHeader.id;
qDebug() << "length" << m_LastHeader.length;
}
else
m_LastHeaderValid = false;
}
}
void CRecieveThread::run() {
qDebug() << "start reciever thread";
connect(m_Socket, SIGNAL(readyRead()), this, SLOT(readData()));
exec();
disconnect(m_Socket, SIGNAL(readyRead()), this, SLOT(readData()));
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANS_CRECIEVETHREAD_H
#define QFTRANS_CRECIEVETHREAD_H
#include <QThread>
#include "common.h"
class QTcpSocket;
namespace qftrans {
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CRecieveThread : public QThread {
Q_OBJECT
public:
CRecieveThread(QString & destinationDir, QTcpSocket * socket, QObject * parent = 0);
~CRecieveThread();
signals:
void downloadAdded(TransferData * data);
void downloadRemoved(TransferData * data);
void downloadUpdated(TransferData * transfer);
void downloadAcknowledged(quint32 id);
void uploadStartRequest(quint32 id);
public slots:
void setDestinationDir(QString & value);
void removeDownload(TransferData * data);
protected slots:
void readData();
protected:
QTcpSocket * m_Socket;
QString m_DestinationDir;
QTransferDataHash m_DataDict;
TransferHeader m_LastHeader;
bool m_LastHeaderValid;
void run();
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "csenderthread.h"
#include <QTcpSocket>
#include <QByteArray>
#include <QDataStream>
#include <QFile>
namespace qftrans {
CSenderThread::CSenderThread(QTcpSocket * socket, QObject * parent) : QThread(parent), m_Socket(socket), m_IdCounter(0) {
}
CSenderThread::~CSenderThread() {
}
void CSenderThread::addUpload(TransferData * upload) {
if (!m_DataDict.contains(upload)) {
qDebug() << "adding upload";
m_DataDict.insert(upload, m_IdCounter);
m_IdCounter++;
}
}
void CSenderThread::removeUpload(TransferData * transfer) {
transfer->status = TS_CLOSING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
void CSenderThread::startUpload(TransferData * upload) {
if (m_DataDict.contains(upload) && upload->status == TS_WAITING) {
qDebug() << "scheduling upload for announce";
upload->status = TS_ANNOUNCING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
}
void CSenderThread::startUploadData(quint32 id) {
TransferData * transfer = m_DataDict.key(id);
if (transfer) {
qDebug() << "scheduling upload for transfer";
transfer->status = TS_TRANSFERING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
}
void CSenderThread::sendAcknowledge(quint32 id) {
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
TransferHeader header;
// header.descriptor = DESCRIPTOR_STRING;
header.type = HT_ACK;
header.id = id;
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
qDebug() << "sending HT_ACK" << id;
m_Socket->write(block);
}
void CSendThread::writeData() {
if (m_DataDict.isEmpty())
exit();
QByteArray block;
QDataStream out(&block, QIODevice::ReadWrite);
out.setVersion(QDataStream::Qt_4_0);
QTransferDataList transfers = m_DataDict.keys();
QTransferDataList::iterator i;
for (i = transfers.begin(); i != transfers.end(); ++i) {
block.clear();
TransferHeader header;
// header.descriptor = DESCRIPTOR_STRING;
switch ((*i)->status) {
case TS_ANNOUNCING: {
qDebug() << "announcing" << m_DataDict[*i];
if ((*i)->transfered)
(*i)->transfered = 0;
// ID header with no data
header.type = HT_ID;
header.id = m_DataDict[*i];
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
//size header with size
header.type = HT_SIZE;
header.length = sizeof(qint64);
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
qDebug() << "sending size" << (*i)->size;
out << (*i)->size;
//name header with file name
qint64 oldPosition = block.size();
//fake write filename
out << (*i)->fileName;
out.device()->seek(oldPosition);
header.type = HT_NAME;
header.length = quint32(block.size() - oldPosition);
// qDebug() << "pos" << out.device()->pos() << block.size();
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
// qDebug() << "pos post header" << out.device()->pos() << block.size();
// qint64 oldPosition = block.size() - sizeof(quint32);
qDebug() << "sending filename" << (*i)->fileName;
out << (*i)->fileName;
// qDebug() << "pos post filename" << out.device()->pos() << block.size();
// out.device()->seek(oldPosition);
// qDebug() << "pos post seek" << out.device()->pos();
/* qDebug() << "filename data length" << header.length;
out << header.length;
out.device()->seek(oldPosition);
out >> header.length;
qDebug() << "written length" << header.length;
out.device()->seek(block.size());
qDebug() << "pos post length correct" << out.device()->pos() << block.size();*/
(*i)->status = TS_WAITING;
}
break;
case TS_TRANSFERING: {
// qDebug() << "transfering" << m_DataDict[*i];
header.type = HT_DATA;
header.id = m_DataDict[*i];
if ((*i)->transfered + DATA_BLOCK_SIZE < (*i)->size)
header.length = DATA_BLOCK_SIZE;
else
header.length = (*i)->size - (*i)->transfered;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
char * buffer = new char[header.length];
QFile file((*i)->fileDir + (*i)->fileName);
file.open(QIODevice::ReadOnly);
QDataStream in(&file);
in.readRawData(buffer, header.length);
out.writeRawData((const char *)(buffer), header.length);
(*i)->transfered += header.length;
delete[] buffer;
if ((*i)->transfered >= (*i)->size)
(*i)->status = TS_CLOSING;
emit uploadUpdated(*i);
}
break;
case TS_CLOSING:
header.type = HT_CLOSE;
header.id = m_DataDict[*i];
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
(*i)->status = TS_FINISHED;
m_DataDict.remove(*i);
break;
default:
break;
}
if (!block.isEmpty())
m_Socket->write(block);
}
}
void CSendThread::run() {
qDebug() << "start sender thread";
connect(m_Socket, SIGNAL(bytesWritten(qint64)), this, SLOT(writeData()));
exec();
disconnect(m_Socket, SIGNAL(bytesWritten(qint64)), this, SLOT(writeData()));
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANS_CSENDERTHREAD_H
#define QFTRANS_CSENDERTHREAD_H
#include <QThread>
#include "common.h"
class QTcpSocket;
namespace qftrans {
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CSendThread : public QThread
{
Q_OBJECT
public:
CSendThread(QTcpSocket * socket, QObject * parent = 0);
~CSendThread();
signals:
void uploadUpdated(TransferData * transfer);
public slots:
void addUpload(TransferData * transfer);
void removeUpload(TransferData * transfer);
void startUpload(TransferData * transfer);
void startUploadData(quint32 id);
void sendAcknowledge(quint32 id);
protected slots:
void writeData();
protected:
QTcpSocket * m_Socket;
quint32 m_IdCounter;
QTransferIdHash m_DataDict;
void run();
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "csocketmanager.h"
#include "cworker.h"
#include <QTcpServer>
#include <QThread>
namespace qftrans {
CSocketManager::CSocketManager(QObject * parent) : QObject(parent),
m_Server(NULL), m_Socket(NULL), m_Worker(NULL) {
}
CSocketManager::~CSocketManager() {
if (m_Socket)
delete m_Socket;
}
void CSocketManager::setup(bool server, quint16 port, QString & host) {
m_Host = host;
m_Port = port;
if (server) {
m_Server = new QTcpServer(this); //TODO proper setup server
connect(m_Server, SIGNAL(newConnection()), this, SLOT(handleServerConnected()));
m_Server->listen(QHostAddress(host), port);
}
else {
m_Socket = new QTcpSocket(); //TODO proper setup client
connect(m_Socket, SIGNAL(connected()), this, SLOT(handleClientConnected()));
connect(m_Socket, SIGNAL(disconnected()), this, SLOT(handleDisconnected()));
m_Socket->connectToHost(host, port);
}
}
void CSocketManager::handleServerConnected() {
qDebug() << "srv conn... thread id" << QThread::currentThreadId();
m_Socket = m_Server->nextPendingConnection();
connect(m_Socket, SIGNAL(disconnected()), this, SLOT(handleDisconnected()));
m_Worker = new CWorker(m_Socket, m_Socket);
// emit workerReady(m_Worker);
emit connectionChanged(true);
m_Server->close();
}
void CSocketManager::handleClientConnected() {
qDebug() << "clt conn... thread id" << QThread::currentThreadId();
m_Worker = new CWorker(m_Socket, m_Socket);
emit connectionChanged(true);
}
void CSocketManager::handleDisconnected() {
qDebug() << "clt/srv disconn.. thread id" << QThread::currentThreadId();
/* m_Worker->deleteLater();
m_Worker = NULL;*/
// if (m_ActAsServer) {
// m_Socket->deleteLater();
// m_Socket = NULL;
//
// m_Server->listen(, 8899);
// emit connectionChanged(false);
// }
// else {
emit connectionChanged(false);
if (m_Server) {
m_Socket->deleteLater();
m_Socket = NULL;
m_Worker = NULL;
m_Server->listen(QHostAddress(m_Host), m_Port);
}
else
QThread::currentThread()->quit();
// }
}
/*
void CSocketManager::connectToPeer() {
if (!m_Server && m_Socket)
m_Socket->connectToHost(host, port);
}*/
// void CSocketManager::disconnectFromPeer() {
// if (m_Socket)
// m_Socket->disconnectFromHost();
// }
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANSCSOCKETMANAGER_H
#define QFTRANSCSOCKETMANAGER_H
#include <QObject>
class QTcpSocket;
class QTcpServer;
namespace qftrans {
class CWorker;
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CSocketManager : public QObject {
Q_OBJECT
public:
CSocketManager(QObject * parent = 0);
~CSocketManager();
CWorker * worker() { return m_Worker; }
public slots:
void setup(bool server, quint16 port, QString & host);
/* void connectToPeer();*/
// void disconnectFromPeer();
signals:
void connectionChanged(bool connected);
protected:
// bool m_ActAsServer;
QString m_Host;
quint16 m_Port;
QTcpServer * m_Server;
QTcpSocket * m_Socket;
CWorker * m_Worker;
protected slots:
void handleServerConnected();
void handleClientConnected();
void handleDisconnected();
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "ctransfermanager.h"
#include "ctransferthread.h"
#include "csocketmanager.h"
#include "qtransferlistmodel.h"
#include "cworker.h"
#include "cconnectiondialog.h"
#include <QDebug>
#include <QStatusBar>
#include <QFileInfo>
#include <QDataStream>
#include <QTcpServer>
#include <QTcpSocket>
#include <QMenuBar>
#include <QMenu>
#include <QToolBar>
#include <QListView>
#include <QFileDialog>
#include <QApplication>
#include <QMessageBox>
namespace qftrans {
CTransferManager::CTransferManager(QWidget * parent) : QMainWindow(parent),
m_ActAsServer(false),
m_Connected(false),
m_DestinationDir(QDir::homePath()),
m_TransferThread(NULL),
m_SelectedTransfer(NULL)
{
setupUi();
}
// TODO ~CTransferManager()
CTransferManager::~CTransferManager() {
cleanupThread();
}
void CTransferManager::openFile() {
QStringList files = QFileDialog::getOpenFileNames(this,
tr("Select one or more files to open"),
QDir::homePath());
TransferData * newUpload = NULL;
QFileInfo fileInfo;
foreach (QString i, files) {
fileInfo.setFile(i);
newUpload = new TransferData;
newUpload->fileDir = fileInfo.absolutePath();
newUpload->fileName = fileInfo.fileName();
newUpload->size = fileInfo.size();
newUpload->transfered = 0;
newUpload->status = TS_WAITING;
newUpload->lastHeader = HT_ID;
newUpload->localFile = true;
addTransfer(newUpload);
// emit uploadAddRequested(newUpload);
}
}
void CTransferManager::setDestinationDir() {
QString selectedDir = QFileDialog::getExistingDirectory(this, tr("Select a directory to save downloaded files"), m_DestinationDir);
if (!selectedDir.isEmpty()) {
m_DestinationDir = selectedDir;
emit destinationDirChanged(m_DestinationDir);
}
}
void CTransferManager::requestServerThread() {
if (!m_ConnectionDialog->execute(true))
return;
createThread();
m_ActAsServer = true;
m_TransferThread->start();
}
void CTransferManager::requestClientThread() {
if (!m_ConnectionDialog->execute(false))
return;
createThread();
m_ActAsServer = false;
m_TransferThread->start();
}
void CTransferManager::setupConnection() {
connect(m_TransferThread->socketManager(), SIGNAL(connectionChanged(bool)), this, SLOT(updateConnectionState(bool)));
connect(this, SIGNAL(setupConnectionRequested(bool, quint16, QString &)),
m_TransferThread->socketManager(), SLOT(setup(bool, quint16, QString &)));
QString host = m_ActAsServer ? "0.0.0.0" : m_ConnectionDialog->host();
emit setupConnectionRequested(m_ActAsServer, m_ConnectionDialog->port(), host);
}
void CTransferManager::cleanupThread() {
if (m_TransferThread) {
m_TransferThread->quit();
m_TransferThread->deleteLater();
}
m_TransferThread = NULL;
statusBar()->showMessage(tr("connected"));
}
void CTransferManager::restartSelected() {
emit uploadAddRequested(m_SelectedTransfer);
emit uploadRestartRequested(m_SelectedTransfer);
}
void CTransferManager::cancelSelected() {
if (m_SelectedTransfer->localFile)
emit uploadRemoveRequested(m_SelectedTransfer);
else
emit downloadRemoveRequested(m_SelectedTransfer);
}
inline void CTransferManager::setupUi() {
setWindowTitle(tr("QFTrans"));
QMenu * currentMenu;
QToolBar * currentToolBar = addToolBar("Main");
currentMenu = menuBar()->addMenu(tr("&File"));
m_FileOpen = currentMenu->addAction(tr("&Open..."), this, SLOT(openFile()));
currentMenu->addAction(tr("Set destination directory..."), this, SLOT(setDestinationDir()));
currentToolBar->addActions(currentMenu->actions());
currentMenu->addSeparator();
currentMenu->addAction(tr("&Quit"), this, SLOT(close()));
currentToolBar->addSeparator();
currentMenu = menuBar()->addMenu(tr("&Connection"));
m_ConnectionAsServer = currentMenu->addAction(tr("Act as &server"), this, SLOT(requestServerThread()));
m_ConnectionAsClient = currentMenu->addAction(tr("Act as &client"), this, SLOT(requestClientThread()));
currentMenu->addSeparator();
m_ConnectionDisconnect = currentMenu->addAction(tr("&Disconnect"), this, SLOT(cleanupThread()));
currentToolBar->addActions(currentMenu->actions());
currentToolBar->addSeparator();
currentMenu = menuBar()->addMenu(tr("&Transfer"));
m_TransferRestartAction = currentMenu->addAction(tr("(Re)&Start"), this, SLOT(restartSelected()));
m_TransferCancelAction = currentMenu->addAction(tr("&Cancel"), this, SLOT(cancelSelected()));
m_TransferRestartAction->setEnabled(false);
m_TransferCancelAction->setEnabled(false);
currentToolBar->addActions(currentMenu->actions());
currentMenu = menuBar()->addMenu(tr("&Help"));
currentMenu->addAction(tr("&About"), this, SLOT(about()));
currentMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
m_TransferView = new QListView(this);
setCentralWidget(m_TransferView);
QTransferListModel * listModel = new QTransferListModel(&m_Data);
connect(this, SIGNAL(transferRemoved(TransferData *)), listModel, SIGNAL(layoutChanged()));
connect(this, SIGNAL(transferAdded(TransferData *)), listModel, SIGNAL(layoutChanged()));
m_TransferView->setModel(listModel);
connect(m_TransferView->selectionModel(), SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
this, SLOT(handleSelectionChanged(const QItemSelection &)));
updateConnectionState(false);
m_ConnectionDialog = new CConnectionDialog(this);
}
void CTransferManager::updateConnectionState(bool connected) {
m_Connected = connected;
if (connected) {
connectToWorker(m_TransferThread->socketManager()->worker());
statusBar()->showMessage(tr("connected"));
}
else
statusBar()->showMessage(m_TransferThread ? tr("waiting") : tr("disconnected"));
m_FileOpen->setEnabled(connected);
m_ConnectionAsServer->setDisabled(connected);
m_ConnectionAsClient->setDisabled(connected);
m_ConnectionDisconnect->setEnabled(connected);
}
// TODO cleanup()
void CTransferManager::cleanup() {
}
void CTransferManager::connectToWorker(CWorker * worker) {
worker->setDestinationDir(m_DestinationDir);
connect(this, SIGNAL(destinationDirChanged(QString &)), worker, SLOT(setDestinationDir(QString &)));
connect(worker, SIGNAL(downloadAdded(TransferData *)), this, SLOT(addTransfer(TransferData *)));
QTransferListModel * model = dynamic_cast<QTransferListModel *>(m_TransferView->model());
connect(worker, SIGNAL(downloadUpdated(TransferData *)), model, SLOT(updateEntry(TransferData *)));
connect(worker, SIGNAL(uploadUpdated(TransferData *)), model, SLOT(updateEntry(TransferData *)));
connect(this, SIGNAL(uploadAddRequested(TransferData *)), worker, SLOT(addUpload(TransferData *)));
connect(this, SIGNAL(uploadRestartRequested(TransferData *)), worker, SLOT(startUpload(TransferData *)));
connect(this, SIGNAL(uploadRemoveRequested(TransferData *)), worker, SLOT(removeUpload(TransferData *)));
connect(this, SIGNAL(downloadRemoveRequested(TransferData *)), worker, SLOT(removeDownload(TransferData *)));
}
void CTransferManager::handleSelectionChanged(const QItemSelection & selected) {
QModelIndexList selectedIndexes = selected.indexes();
if (selectedIndexes.isEmpty())
m_SelectedTransfer = NULL;
else
m_SelectedTransfer = static_cast<TransferData *>(selectedIndexes[0].internalPointer());
m_TransferRestartAction->setEnabled(m_SelectedTransfer && m_SelectedTransfer->localFile);
m_TransferCancelAction->setEnabled(m_SelectedTransfer && m_SelectedTransfer->status != TS_FINISHED);
}
void CTransferManager::addTransfer(TransferData * transfer) {
m_Data << transfer;
emit transferAdded(transfer);
}
// TODO proper handle removing transfer
void CTransferManager::removeTransfer(TransferData * transfer) {
int index = m_Data.indexOf(transfer);
if (index != -1) {
m_Data.removeAt(index);
emit transferRemoved(transfer);
}
delete transfer;
}
inline void CTransferManager::createThread() {
cleanupThread();
qDebug() << "main thread" << QThread::currentThreadId();
m_TransferThread = new CTransferThread();
connect(m_TransferThread, SIGNAL(terminated()), this, SLOT(cleanupThread()));
// connect(m_TransferThread, SIGNAL(finished()), m_TransferThread, SLOT(deleteLater()));
connect(m_TransferThread, SIGNAL(socketManagerReady()), this, SLOT(setupConnection()));
}
void CTransferManager::updateStatusBar(const QString & message) {
if (message.isEmpty()) {
if (m_Connected)
statusBar()->showMessage(tr("connected"));
else
statusBar()->showMessage(m_TransferThread ? tr("waiting") : tr("disconnected"));
}
}
void CTransferManager::about() {
QMessageBox::about(this, tr("About"), tr("This is a still unfancy \"peer-to-peer\"-like file transfer tool."));
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANS_CTRANSFERMANAGER_H
#define QFTRANS_CTRANSFERMANAGER_H
#include <QMainWindow>
#include "common.h"
#include <QItemSelection>
// #include <QAbstractSocket>
class QListView;
namespace qftrans {
class CTransferThread;
class CWorker;
class CConnectionDialog;
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CTransferManager : public QMainWindow {
Q_OBJECT
public:
CTransferManager(QWidget * parent = 0);
~CTransferManager();
public slots:
void openFile();
void setDestinationDir();
void requestServerThread();
void requestClientThread();
void cleanupThread();
void restartSelected();
void cancelSelected();
signals:
void transferAdded(TransferData * transfer);
void transferRemoved(TransferData * transfer);
void uploadAddRequested(TransferData * transfer);
void uploadRemoveRequested(TransferData * transfer);
void uploadRestartRequested(TransferData * transfer);
void downloadRemoveRequested(TransferData * transfer);
void destinationDirChanged(QString & value);
void setupConnectionRequested(bool server, quint16 port, QString & host);
private:
CConnectionDialog * m_ConnectionDialog;
QAction * m_FileOpen;
QAction * m_ConnectionAsServer;
QAction * m_ConnectionAsClient;
QAction * m_ConnectionDisconnect;
QAction * m_TransferRestartAction;
QAction * m_TransferCancelAction;
bool m_ActAsServer;
bool m_Connected;
QString m_DestinationDir;
QTransferDataList m_Data;
CTransferThread * m_TransferThread;
QListView * m_TransferView;
TransferData * m_SelectedTransfer;
void setupUi();
void removeFileTransfer(TransferData * transfer);
void cleanup();
inline void createThread();
private slots:
void setupConnection();
void connectToWorker(CWorker * worker);
void updateConnectionState(bool connected);
void handleSelectionChanged(const QItemSelection & selected);
void addTransfer(TransferData * transfer);
void removeTransfer(TransferData * transfer);
void updateStatusBar(const QString & message);
void about();
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "ctransferthread.h"
#include "csocketmanager.h"
#include <QTcpServer>
namespace qftrans {
CTransferThread::CTransferThread(QObject * parent) : QThread(parent),
m_SocketManager(NULL) {
}
CTransferThread::~CTransferThread() {
if (m_SocketManager)
m_SocketManager->deleteLater();
/* if (m_Socket)
delete m_Socket;
if (m_Worker)
delete m_Worker;
if (m_Server)
delete m_Server;*/
}
void CTransferThread::run() {
qDebug() << "start transfer thread" << currentThreadId();
m_SocketManager = new CSocketManager();
emit socketManagerReady();
exec();
qDebug() << "exit transfer thread" << currentThreadId();
if (m_SocketManager) {
delete m_SocketManager;
// m_SocketManager->deleteLater();
m_SocketManager = NULL;
}
/* if (m_Worker) {
delete m_Worker;
m_Worker = NULL;
}
if (m_Server) {
delete m_Server;
m_Server = NULL;
}
if (m_Socket) {
delete m_Socket;
m_Socket = NULL;
}*/
// emit connectionChanged(false);
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANS_CTRANSFERTHREAD_H
#define QFTRANS_CTRANSFERTHREAD_H
#include <QThread>
#include "common.h"
namespace qftrans {
class CSocketManager;
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CTransferThread : public QThread {
Q_OBJECT
public:
CTransferThread(QObject * parent = 0);
~CTransferThread();
// CWorker * worker() { return m_Worker; }
CSocketManager * socketManager() { return m_SocketManager; }
signals:
void socketManagerReady();
protected:
CSocketManager * m_SocketManager;
void run();
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "cworker.h"
#include <QTcpSocket>
#include <QByteArray>
#include <QFile>
#include <QDir>
#include <QThread>
namespace qftrans {
CWorker::CWorker(QTcpSocket * socket, QObject * parent) : QObject(parent), m_Socket(socket), m_IdCounter(0) {
connect(m_Socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(error(QAbstractSocket::SocketError)));
connect(m_Socket, SIGNAL(bytesWritten(qint64)), this, SLOT(writeData()), Qt::QueuedConnection);
connect(m_Socket, SIGNAL(readyRead()), this, SLOT(readData()), Qt::QueuedConnection);
qDebug() << "worker created";
}
CWorker::~CWorker() {
qDebug() << "worker removed";
}
//TODO addUpload
void CWorker::addUpload(TransferData * transfer) {
if (!m_UploadDict.contains(transfer)) {
qDebug() << "adding upload";
transfer->status = TS_WAITING;
m_UploadDict.insert(transfer, m_IdCounter);
m_IdCounter++;
}
}
//TODO removeUpload
void CWorker::removeUpload(TransferData * transfer) {
if (m_UploadDict.contains(transfer) && transfer->status != TS_WAITING) {
transfer->status = TS_CLOSING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
}
//TODO startUpload
void CWorker::startUpload(TransferData * transfer) {
if (m_UploadDict.contains(transfer) && transfer->status == TS_WAITING) {
qDebug() << "scheduling upload for announce";
transfer->status = TS_ANNOUNCING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
}
void CWorker::startUploadData(quint32 id) {
TransferData * transfer = m_UploadDict.key(id);
if (transfer) {
qDebug() << "scheduling upload for transfer";
transfer->status = TS_TRANSFERING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
}
void CWorker::sendAcknowledge(quint32 id) {
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
TransferHeader header;
// header.descriptor = DESCRIPTOR_STRING;
header.type = HT_ACK;
header.id = id;
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
qDebug() << "sending HT_ACK" << id;
m_Socket->write(block);
qDebug() << "sent HT_ACK" << id;
}
//TODO CTransferThread::removeDownload
void CWorker::removeDownload(TransferData * /*transfer*/) {
}
void CWorker::setDestinationDir(QString & value) {
m_DestinationDir = value;
}
void CWorker::writeData() {
if (m_UploadDict.isEmpty()) {
qDebug() << "no more uploads.";
return;
}
QByteArray block;
QDataStream out(&block, QIODevice::ReadWrite);
out.setVersion(QDataStream::Qt_4_0);
QTransferDataList transfers = m_UploadDict.keys();
QTransferDataList::iterator i;
for (i = transfers.begin(); i != transfers.end(); ++i) {
block.clear();
TransferHeader header;
switch ((*i)->status) {
case TS_ANNOUNCING: {
qDebug() << "announcing" << m_UploadDict[*i];
if ((*i)->transfered)
(*i)->transfered = 0;
// ID header with no data
header.type = HT_ID;
header.id = m_UploadDict[*i];
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
//size header with size
header.type = HT_SIZE;
header.length = sizeof(qint64);
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
qDebug() << "sending size" << (*i)->size;
out << (*i)->size;
//name header with file name
qint64 oldPosition = block.size();
//fake write filename
out << (*i)->fileName;
out.device()->seek(oldPosition);
header.type = HT_NAME;
header.length = quint32(block.size() - oldPosition);
// qDebug() << "pos" << out.device()->pos() << block.size();
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
// qDebug() << "pos post header" << out.device()->pos() << block.size();
// qint64 oldPosition = block.size() - sizeof(quint32);
qDebug() << "sending filename" << (*i)->fileName;
out << (*i)->fileName;
// qDebug() << "pos post filename" << out.device()->pos() << block.size();
// out.device()->seek(oldPosition);
// qDebug() << "pos post seek" << out.device()->pos();
/* qDebug() << "filename data length" << header.length;
out << header.length;
out.device()->seek(oldPosition);
out >> header.length;
qDebug() << "written length" << header.length;
out.device()->seek(block.size());
qDebug() << "pos post length correct" << out.device()->pos() << block.size();*/
(*i)->status = TS_WAITING;
}
break;
case TS_TRANSFERING: {
// qDebug() << "transfering" << m_DataDict[*i];
header.type = HT_DATA;
header.id = m_UploadDict[*i];
if ((*i)->transfered + DATA_BLOCK_SIZE < (*i)->size)
header.length = DATA_BLOCK_SIZE;
else
header.length =(*i)->size - (*i)->transfered;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
char * buffer = new char[header.length];
QFile file((*i)->fileDir + QDir::separator() + (*i)->fileName);
file.open(QIODevice::ReadOnly);
QDataStream in(&file);
if (in.skipRawData((*i)->transfered) == -1) {
qDebug() << "filename" << file.fileName();
qDebug() << "skip error";
qDebug() << "file size" << (*i)->size;
qDebug() << "transfered bytes" << (*i)->transfered;
}
// in.device()->seek((*i)->transfered);
if (in.readRawData(buffer, header.length) == -1) {
qDebug() << "Read error";
qDebug() << "buffer size" << header.length;
qDebug() << "file size" << (*i)->size;
qDebug() << "transfered bytes" << (*i)->transfered;
}
out.writeRawData((const char *)(buffer), header.length);
(*i)->transfered += header.length;
delete[] buffer;
if ((*i)->transfered >= (*i)->size)
(*i)->status = TS_CLOSING;
if ((*i)->transfered > (*i)->size) {
qDebug() << "overread?";
qDebug() << "file size" << (*i)->size;
qDebug() << "transfered bytes" << (*i)->transfered;
}
emit uploadUpdated(*i);
}
break;
case TS_CLOSING:
header.type = HT_CLOSE;
header.id = m_UploadDict[*i];
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
(*i)->status = TS_FINISHED;
m_UploadDict.remove(*i);
break;
default:
break;
}
if (!block.isEmpty())
m_Socket->write(block);
}
}
void CWorker::readHeader(QDataStream & in) {
if (m_Socket->bytesAvailable() >= (qint64)(sizeof(TransferHeader))) {
in.readRawData((char *)(&m_LastHeader), sizeof(TransferHeader));
m_LastHeaderValid = (qstrcmp(m_LastHeader.descriptor, DESCRIPTOR_STRING) == 0);
if (!m_LastHeaderValid) {
qDebug() << "got invalid header data";
qDebug() << "available Bytes" << m_Socket->bytesAvailable();
}
}
else
m_LastHeaderValid = false;
}
void CWorker::readData() {
QDataStream in(m_Socket);
in.setVersion(QDataStream::Qt_4_0);
if (!m_LastHeaderValid)
readHeader(in);
TransferData * target = NULL;
while (m_LastHeaderValid && m_Socket->bytesAvailable() >= m_LastHeader.length) {
// qDebug() << "available Bytes" << m_Socket->bytesAvailable() << "length" << m_LastHeader.length;
//look for existing id
if (m_LastHeader.type == HT_ACK) {
qDebug() << "got HT_ACK .. scheduling upload to start";
startUploadData(m_LastHeader.id);
}
else {
if (m_DownloadDict.contains(m_LastHeader.id)) {
if (m_LastHeader.type == HT_CLOSE) {
//finished or canceled by peer
qDebug() << "download closed py peer";
TransferData * closed = m_DownloadDict.take(m_LastHeader.id);
closed->status = TS_FINISHED;
emit downloadRemoved(closed);
}
else
//assign target
target = m_DownloadDict[m_LastHeader.id];
}
//id not in dict
else if (m_LastHeader.type == HT_ID) {
//new file announced
qDebug() << "download announced";
TransferData * newFile = new TransferData;
m_DownloadDict.insert(m_LastHeader.id, newFile);
newFile->transfered = 0;
newFile->size = 0;
newFile->localFile = false;
newFile->status = TS_WAITING;
newFile->fileDir = m_DestinationDir;
}
//check valid target and data available
if (target && m_LastHeader.length) {
switch (m_LastHeader.type) {
case HT_ID:
target->status = TS_WAITING;
// QFile::remove(target->fileDir + QDir::separator() + target->fileName);
emit downloadUpdated(target);
break;
case HT_SIZE:
qDebug() << "reading size..";
in >> target->size;
qDebug() << "got size:" << target->size;
break;
case HT_NAME:
qDebug() << "reading filename..";
in >> target->fileName;
qDebug() << "got filename:" << target->fileName;
qDebug() << "trying to send HT_ACK";
//TODO better do this async
sendAcknowledge(m_LastHeader.id);
break;
case HT_DATA: {
// qDebug() << "got data" << target->transfered << '/' << target->size;
QFile file(target->fileDir + QDir::separator() + target->fileName);
if (target->status == TS_WAITING) {
target->status = TS_TRANSFERING;
emit downloadAdded(target);
file.open(QIODevice::WriteOnly | QIODevice::Truncate);
}
else if (target->status == TS_TRANSFERING)
file.open(QIODevice::WriteOnly | QIODevice::Append);
else {
in.skipRawData(m_LastHeader.length);
qDebug() << "transfer not ready to recieve data. status is" << target->status;
qDebug() << "skipping" << m_LastHeader.length << "bytes of data";
break;
}
char * buffer = new char[m_LastHeader.length];
if (in.readRawData(buffer, m_LastHeader.length) == -1) {
qDebug() << "error reading from socket";
qDebug() << "length" << m_LastHeader.length;
qDebug() << "available Bytes" << m_Socket->bytesAvailable();
}
QDataStream out(&file);
out.writeRawData((const char *)(buffer), m_LastHeader.length);
target->transfered += m_LastHeader.length;
delete[] buffer;
emit downloadUpdated(target);
}
break;
default:
in.skipRawData(m_LastHeader.length);
qDebug() << "unknown header";
qDebug() << "skipping" << m_LastHeader.length << "bytes of data";
break;
}
}
}
readHeader(in);
}
}
void CWorker::writePing() {
qDebug() << "write ping... thread id" << QThread::currentThreadId();
if (m_IdCounter > 10)
return;
QByteArray block;
QDataStream out(&block, QIODevice::WriteOnly);
out.setVersion(QDataStream::Qt_4_0);
TransferHeader header;
header.type = HT_ACK;
header.id = m_IdCounter++;
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
qDebug() << "sending Ping..." << header.id;
if (m_Socket->write(block) == -1)
qDebug() << "error";
else
qDebug() << "done";
}
void CWorker::readPing() {
qDebug() << "read ping... thread id" << QThread::currentThreadId();
QDataStream in(m_Socket);
in.setVersion(QDataStream::Qt_4_0);
do {
if (m_Socket->bytesAvailable() >= (qint64)(sizeof(TransferHeader))) {
in.readRawData((char *)(&m_LastHeader), sizeof(TransferHeader));
m_LastHeaderValid = (qstrcmp(m_LastHeader.descriptor, DESCRIPTOR_STRING) == 0);
if (m_LastHeaderValid)
qDebug() << "got valid ping" << m_LastHeader.id;
else
qDebug() << "got invalid ping" << m_LastHeader.id;
writePing();
}
else
m_LastHeaderValid = false;
}
while (m_LastHeaderValid);
}
void CWorker::error(QAbstractSocket::SocketError) {
qDebug() << m_Socket->errorString();
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANSCWORKER_H
#define QFTRANSCWORKER_H
#include <QObject>
#include <QTcpSocket>
#include <QDataStream>
#include "common.h"
namespace qftrans {
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class CWorker : public QObject {
Q_OBJECT
public:
CWorker(QTcpSocket * socket, QObject * parent = 0);
~CWorker();
signals:
void uploadAdded(TransferData * transfer);
void uploadRemoved(TransferData * transfer);
void uploadUpdated(TransferData * transfer);
void downloadAdded(TransferData * transfer);
void downloadRemoved(TransferData * transfer);
void downloadUpdated(TransferData * transfer);
public slots:
void addUpload(TransferData * transfer);
void removeUpload(TransferData * transfer);
void startUpload(TransferData * transfer);
void removeDownload(TransferData * data);
void setDestinationDir(QString & value);
void writePing();
protected slots:
void writeData();
void readData();
void readPing();
protected:
void readHeader(QDataStream & in);
void startUploadData(quint32 id);
void sendAcknowledge(quint32 id);
QTcpSocket * m_Socket;
QString m_DestinationDir;
quint32 m_IdCounter;
QTransferIdHash m_UploadDict;
QTransferDataHash m_DownloadDict;
TransferHeader m_LastHeader;
bool m_LastHeaderValid;
private slots:
void error(QAbstractSocket::SocketError socketError);
};
}
#endif

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QtGui>
#include <QTranslator>
#include <QMetaType>
#include "ctransfermanager.h"
#include "common.h"
//#include "constants.h"
using namespace qftrans;
int main(int argc, char * argv[])
{
QApplication app(argc, argv);
qRegisterMetaType<QString>("QString&");
/* QString locale = QLocale::system().name();
QTranslator translator;
translator.load(QString(UI_PATH_TRANSLATIONS "qcross_") + locale);
app.installTranslator(&translator);*/
// app.setQuitOnLastWindowClosed(false);
// {
// QDir workdir(UI_PATH_WORK);
// if (!workdir.exists()) {
// workdir.cdUp();
// workdir.mkdir(UI_DIR_WORK);
// }
// }
CTransferManager mainwin;
mainwin.show();
return app.exec();
}

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SOURCES += main.cpp \
ctransfermanager.cpp \
qtransferlistmodel.cpp \
ctransferthread.cpp \
cworker.cpp \
csocketmanager.cpp \
cconnectiondialog.cpp
HEADERS += ctransfermanager.h \
qtransferlistmodel.h \
common.h \
ctransferthread.h \
cworker.h \
csocketmanager.h \
cconnectiondialog.h
TEMPLATE = app
QT += network
CONFIG -= release
CONFIG += debug

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "qtransferlistmodel.h"
namespace qftrans {
QTransferListModel::QTransferListModel(QTransferDataList * data, QObject * parent) : QAbstractListModel(parent), m_Data(data) {
}
QTransferListModel::~QTransferListModel() {
}
int QTransferListModel::rowCount(const QModelIndex & /*parent*/) const {
if (m_Data)
return m_Data->size();
else
return 0;
}
QVariant QTransferListModel::data(const QModelIndex & index, int role) const {
if (role != Qt::DisplayRole)
return QVariant();
TransferData * data = static_cast<TransferData *>(index.internalPointer());
if (!data)
return QVariant();
QString status;
switch (data->status) {
case TS_WAITING:
status = tr("waiting");
break;
case TS_ANNOUNCING:
status = tr("announcing to peer");
break;
case TS_TRANSFERING:
status = data->localFile ? tr("Sending") : tr("Recieving");
break;
case TS_CLOSING:
status = tr("closing down");
break;
case TS_FINISHED:
status = (data->transfered == data->size) ? tr("finished") : tr("canceled");
break;
default:
status = tr("unknown status");
break;
}
QString size;
unsigned int fancySize = data->size;
unsigned int siCount = 0;
while (fancySize > 1000) {
fancySize /= 1000;
siCount++;
}
size = QString::number(fancySize);
switch (siCount) {
case 0:
break;
case 1:
size += 'K';
break;
case 2:
size += 'M';
break;
case 3:
size += 'G';
break;
default:
size += "*10^" + QString::number(siCount);
break;
}
size += 'B';
return (data->localFile ? "out #" : "in #") + QString::number(index.row()) + " [" + status + "] (" +
QString::number((unsigned int)((100.0 * data->transfered) / data->size)) + "%) " +
data->fileName + " (size: " + size + ")";
}
QModelIndex QTransferListModel::index (int row, int column, const QModelIndex & /*parent*/) const {
return createIndex(row, column, m_Data->at(row));
}
void QTransferListModel::updateEntry(TransferData * /*entry*/) {
// TODO proper tranfer entry update
emit layoutChanged();
}
}

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/***************************************************************************
* Copyright (C) 2008 by Oliver Groß *
* z.o.gross@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef QFTRANS_QTRANSFERLISTMODEL_H
#define QFTRANS_QTRANSFERLISTMODEL_H
#include <QAbstractListModel>
#include "common.h"
namespace qftrans {
/**
@author Oliver Groß <z.o.gross@gmx.de>
*/
class QTransferListModel : public QAbstractListModel {
Q_OBJECT
public:
QTransferListModel(QTransferDataList * data, QObject * parent = 0);
~QTransferListModel();
int rowCount(const QModelIndex & parent = QModelIndex()) const;
QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
QModelIndex index (int row, int column = 0, const QModelIndex & parent = QModelIndex()) const;
public slots:
void updateEntry(TransferData * entry);
private:
QTransferDataList * m_Data;
};
}
#endif