stbuehler
/
qftrans
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

add queue and "serialize" transfer

master
Oliver Groß 13 years ago
parent
bc21dae968
commit
005f20bfa9
6 changed files with 187 additions and 180 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 5
      common.h
  2. 52
      ctransfermanager.cpp
  3. 2
      ctransfermanager.h
  4. 293
      cworker.cpp
  5. 5
      cworker.h
  6. 10
      qtransferlistmodel.cpp

5
common.h
Unescape View File

@ -28,8 +28,8 @@
#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};
enum TransferStatus {TS_SUSPENDED = 0, TS_PENDING = 1, TS_ANNOUNCING = 2, TS_WAITING = 3, TS_TRANSFERING = 4, TS_CLOSING = 5, TS_FINISHED = 6};
enum HeaderType {HT_ANNOUNCE = 0, HT_DATA = 1, HT_CLOSE = 2, HT_ACK = 3, HT_CANCEL = 4};
struct TransferData {
QString fileDir;
@ -39,6 +39,7 @@ namespace qftrans {
qint64 size;
qint64 transfered;
HeaderType lastHeader;
quint32 id;
};
struct TransferHeader {

52
ctransfermanager.cpp
Unescape View File

@ -45,8 +45,8 @@ namespace qftrans {
m_ActAsServer(false),
m_Connected(false),
m_DestinationDir(QDir::homePath()),
m_TransferThread(NULL),
m_SelectedTransfer(NULL)
m_TransferThread(NULL)
// m_SelectedTransfer(NULL)
{
setupUi();
}
@ -71,8 +71,8 @@ namespace qftrans {
newUpload->fileName = fileInfo.fileName();
newUpload->size = fileInfo.size();
newUpload->transfered = 0;
newUpload->status = TS_WAITING;
newUpload->lastHeader = HT_ID;
newUpload->status = TS_SUSPENDED;
newUpload->lastHeader = HT_ANNOUNCE;
newUpload->localFile = true;
addTransfer(newUpload);
@ -130,15 +130,28 @@ namespace qftrans {
}
void CTransferManager::restartSelected() {
emit uploadAddRequested(m_SelectedTransfer);
emit uploadRestartRequested(m_SelectedTransfer);
QModelIndexList selectedIndexes = m_TransferView->selectionModel()->selectedIndexes();
foreach (QModelIndex i, selectedIndexes) {
emit uploadAddRequested(static_cast<TransferData *>(i.internalPointer()));
}
// emit uploadAddRequested(m_SelectedTransfer);
}
void CTransferManager::cancelSelected() {
if (m_SelectedTransfer->localFile)
QModelIndexList selectedIndexes = m_TransferView->selectionModel()->selectedIndexes();
foreach (QModelIndex i, selectedIndexes) {
if (static_cast<TransferData *>(i.internalPointer())->localFile)
emit uploadRemoveRequested(static_cast<TransferData *>(i.internalPointer()));
else
emit downloadRemoveRequested(static_cast<TransferData *>(i.internalPointer()));
}
/* if (m_SelectedTransfer->localFile)
emit uploadRemoveRequested(m_SelectedTransfer);
else
emit downloadRemoveRequested(m_SelectedTransfer);
emit downloadRemoveRequested(m_SelectedTransfer);*/
}
inline void CTransferManager::setupUi() {
@ -181,6 +194,7 @@ namespace qftrans {
currentMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
m_TransferView = new QListView(this);
m_TransferView->setSelectionMode(QAbstractItemView::ExtendedSelection);
setCentralWidget(m_TransferView);
QTransferListModel * listModel = new QTransferListModel(&m_Data);
@ -196,8 +210,7 @@ namespace qftrans {
updateConnectionState(false);
m_ConnectionDialog = new CConnectionDialog(this);
}
}
void CTransferManager::updateConnectionState(bool connected) {
m_Connected = connected;
@ -231,7 +244,7 @@ namespace qftrans {
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(uploadRestartRequested(TransferData *)), worker, SLOT(startUpload(TransferData *)));
connect(this, SIGNAL(uploadRemoveRequested(TransferData *)), worker, SLOT(removeUpload(TransferData *)));
connect(this, SIGNAL(downloadRemoveRequested(TransferData *)), worker, SLOT(removeDownload(TransferData *)));
@ -239,13 +252,16 @@ namespace qftrans {
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);
// if (selectedIndexes.isEmpty())
// m_SelectedTransfer = NULL;
// else
// m_SelectedTransfer = static_cast<TransferData *>(selectedIndexes[0].internalPointer());
//
m_TransferRestartAction->setDisabled(selectedIndexes.isEmpty());
m_TransferCancelAction->setDisabled(selectedIndexes.isEmpty());
/* m_TransferRestartAction->setEnabled(m_SelectedTransfer && m_SelectedTransfer->localFile);
m_TransferCancelAction->setEnabled(m_SelectedTransfer && m_SelectedTransfer->status != TS_FINISHED);*/
}
void CTransferManager::addTransfer(TransferData * transfer) {

2
ctransfermanager.h
Unescape View File

@ -85,7 +85,7 @@ namespace qftrans {
QListView * m_TransferView;
TransferData * m_SelectedTransfer;
// TransferData * m_SelectedTransfer;
void setupUi();

293
cworker.cpp
Unescape View File

@ -38,44 +38,59 @@ namespace qftrans {
//TODO addUpload
void CWorker::addUpload(TransferData * transfer) {
if (!m_UploadDict.contains(transfer)) {
transfer->status = TS_PENDING;
if (!m_Uploads.contains(transfer)) {
qDebug() << "adding upload";
transfer->status = TS_WAITING;
m_UploadDict.insert(transfer, m_IdCounter);
transfer->id = m_IdCounter;
m_IdCounter++;
m_Uploads.enqueue(transfer);
}
else
qDebug() << "(re)adding upload";
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
//TODO removeUpload
void CWorker::removeUpload(TransferData * transfer) {
if (m_UploadDict.contains(transfer) && transfer->status != TS_WAITING) {
if (m_Uploads.contains(transfer) && transfer->status > TS_PENDING) {
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";
qDebug() << "executing closedown";
writeData();
}
}
}
//TODO ? startUpload
// void CWorker::startUpload(TransferData * transfer) {
// if (m_Uploads.contains(transfer) && transfer->status != TS_PENDING)
// transfer->status = TS_PENDING;
//
// 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();
}
if (m_Uploads.isEmpty())
return;
TransferData * transfer = m_Uploads.head(); /*m_UploadDict.key(id);*/
if (transfer->id != id) {
qDebug() << "got invalid id:" << id << "... expected:" << transfer->id;
return;
}
qDebug() << "scheduling upload for transfer";
transfer->status = TS_TRANSFERING;
if (m_Socket->bytesToWrite() == 0) {
qDebug() << "executing upload";
writeData();
}
}
@ -85,7 +100,6 @@ namespace qftrans {
out.setVersion(QDataStream::Qt_4_0);
TransferHeader header;
// header.descriptor = DESCRIPTOR_STRING;
header.type = HT_ACK;
header.id = id;
@ -109,141 +123,114 @@ namespace qftrans {
}
void CWorker::writeData() {
if (m_UploadDict.isEmpty()) {
if (m_Uploads.isEmpty()) {
// if (m_UploadDict.isEmpty()) {
qDebug() << "no more uploads.";
return;
}
TransferData * transfer = m_Uploads.head();
if (transfer->status == TS_PENDING)
transfer->status = TS_ANNOUNCING;
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;
TransferHeader header;
switch (transfer->status) {
case TS_ANNOUNCING:
{
qDebug() << "announcing" << transfer->id;
if (transfer->transfered)
transfer->transfered = 0;
qint64 oldPosition = block.size();
//fake write filename
out << transfer->fileName;
out.device()->seek(oldPosition);
// ANNOUNCE header with size and filename
header.type = HT_ANNOUNCE;
header.id = transfer->id;
header.length = quint32(block.size() - oldPosition) + sizeof(qint64);
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
qDebug() << "sending size" << transfer->size;
out << transfer->size;
qDebug() << "sending filename" << transfer->fileName;
out << transfer->fileName;
transfer->status = TS_WAITING;
}
break;
case TS_TRANSFERING:
{
header.type = HT_DATA;
header.id = transfer->id;
if (transfer->transfered + DATA_BLOCK_SIZE < transfer->size)
header.length = DATA_BLOCK_SIZE;
else
header.length = transfer->size - transfer->transfered;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
char * buffer = new char[header.length];
QFile file(transfer->fileDir + QDir::separator() + transfer->fileName);
file.open(QIODevice::ReadOnly);
QDataStream in(&file);
if (in.skipRawData(transfer->transfered) == -1) {
qDebug() << "filename" << file.fileName();
qDebug() << "skip error";
qDebug() << "file size" << transfer->size;
qDebug() << "transfered bytes" << transfer->transfered;
}
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);
if (in.readRawData(buffer, header.length) == -1) {
qDebug() << "Read error";
qDebug() << "buffer size" << header.length;
qDebug() << "file size" << transfer->size;
qDebug() << "transfered bytes" << transfer->transfered;
}
break;
case TS_CLOSING:
header.type = HT_CLOSE;
header.id = m_UploadDict[*i];
header.length = 0;
out.writeRawData((const char *)(buffer), header.length);
transfer->transfered += header.length;
delete[] buffer;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
if (transfer->transfered >= transfer->size)
transfer->status = TS_CLOSING;
(*i)->status = TS_FINISHED;
if (transfer->transfered > transfer->size) {
qDebug() << "overread?";
qDebug() << "file size" << transfer->size;
qDebug() << "transfered bytes" << transfer->transfered;
}
m_UploadDict.remove(*i);
break;
default:
break;
emit uploadUpdated(transfer);
}
if (!block.isEmpty())
m_Socket->write(block);
break;
case TS_CLOSING:
header.type = HT_CLOSE;
header.id = transfer->id;
header.length = 0;
out.writeRawData((const char *)(&header), sizeof(TransferHeader));
transfer->status = TS_FINISHED;
m_Uploads.dequeue();
emit uploadUpdated(transfer);
break;
default:
break;
}
if (!block.isEmpty())
m_Socket->write(block);
}
void CWorker::readHeader(QDataStream & in) {
@ -292,7 +279,7 @@ namespace qftrans {
target = m_DownloadDict[m_LastHeader.id];
}
//id not in dict
else if (m_LastHeader.type == HT_ID) {
else if (m_LastHeader.type == HT_ANNOUNCE) {
//new file announced
qDebug() << "download announced";
TransferData * newFile = new TransferData;
@ -302,31 +289,27 @@ namespace qftrans {
newFile->localFile = false;
newFile->status = TS_WAITING;
newFile->fileDir = m_DestinationDir;
target = newFile;
}
//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:
case HT_ANNOUNCE:
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;
emit downloadUpdated(target);
qDebug() << "trying to send HT_ACK";
//TODO better do this async
sendAcknowledge(m_LastHeader.id);
break;
case HT_DATA: {
case HT_DATA:
{
// qDebug() << "got data" << target->transfered << '/' << target->size;
QFile file(target->fileDir + QDir::separator() + target->fileName);
if (target->status == TS_WAITING) {

5
cworker.h
Unescape View File

@ -23,6 +23,7 @@
#include <QObject>
#include <QTcpSocket>
#include <QDataStream>
#include <QQueue>
#include "common.h"
namespace qftrans {
@ -45,7 +46,7 @@ namespace qftrans {
public slots:
void addUpload(TransferData * transfer);
void removeUpload(TransferData * transfer);
void startUpload(TransferData * transfer);
// void startUpload(TransferData * transfer);
void removeDownload(TransferData * data);
@ -66,7 +67,7 @@ namespace qftrans {
QString m_DestinationDir;
quint32 m_IdCounter;
QTransferIdHash m_UploadDict;
QQueue<TransferData *> m_Uploads;
QTransferDataHash m_DownloadDict;

10
qtransferlistmodel.cpp
Unescape View File

@ -45,12 +45,18 @@ namespace qftrans {
QString status;
switch (data->status) {
case TS_WAITING:
status = tr("waiting");
case TS_SUSPENDED:
status = tr("suspended");
break;
case TS_PENDING:
status = tr("pending");
break;
case TS_ANNOUNCING:
status = tr("announcing to peer");
break;
case TS_WAITING:
status = tr("waiting");
break;
case TS_TRANSFERING:
status = data->localFile ? tr("Sending") : tr("Recieving");
break;

Write Preview
Loading…
Cancel
Save