Show progress when sending a file from desktop

Summary:
Show progress when sending a file from the desktop

BUG: 355044

Test Plan:
Complete transfer:
-Right click on a big file in dolphin
-Select Send to xx via KDE Connect
-Open the Notifications widget and verify progress is shown correctly

Stop transfer:
-Right click on a big file in dolphin
-Select Send to xx via KDE Connect
-Open The Notifications widget and press the stop/kill button
-Observe that the file upload is stopped

Reviewers: #kde_connect, nicolasfella

Reviewed By: #kde_connect, nicolasfella

Subscribers: apol, broulik, nicolasfella, kdeconnect

Tags: #kde_connect

Differential Revision: https://phabricator.kde.org/D16279

core/CMakeLists.txt

@@ -41,6 +41,7 @@ target_link_libraries(kdeconnectcore
 PUBLIC
     Qt5::Network
     KF5::CoreAddons
+    KF5::KIOCore
     qca-qt5
 PRIVATE
     Qt5::DBus

core/backends/lan/landevicelink.cpp

@@ -24,9 +24,11 @@
 #include "core_debug.h"
 #include "kdeconnectconfig.h"
 #include "backends/linkprovider.h"
-#include "uploadjob.h"
 #include "socketlinereader.h"
 #include "lanlinkprovider.h"
+#include <kio/global.h>
+#include <KJobTrackerInterface>
+#include <plugins/share/shareplugin.h>
 
 LanDeviceLink::LanDeviceLink(const QString& deviceId, LinkProvider* parent, QSslSocket* socket, ConnectionStarted connectionSource)
     : DeviceLink(deviceId, parent)
@@ -98,6 +100,9 @@ bool LanDeviceLink::sendPacket(NetworkPacket& np)
 UploadJob* LanDeviceLink::sendPayload(const NetworkPacket& np)
 {
     UploadJob* job = new UploadJob(np.payload(), deviceId());
+    if (np.type() == PACKET_TYPE_SHARE_REQUEST && np.payloadSize() >= 0) {
+        KIO::getJobTracker()->registerJob(job);
+    }
     job->start();
     return job;
 }

core/backends/lan/uploadjob.cpp

@@ -25,6 +25,8 @@
 #include "lanlinkprovider.h"
 #include "kdeconnectconfig.h"
 #include "core_debug.h"
+#include <device.h>
+#include <daemon.h>
 
 UploadJob::UploadJob(const QSharedPointer<QIODevice>& source, const QString& deviceId)
     : KJob()
@@ -34,8 +36,8 @@ UploadJob::UploadJob(const QSharedPointer<QIODevice>& source, const QString& dev
     , m_port(0)
     , m_deviceId(deviceId) // We will use this info if link is on ssl, to send encrypted payload
 {
-    connect(m_input.data(), &QIODevice::readyRead, this, &UploadJob::startUploading);
     connect(m_input.data(), &QIODevice::aboutToClose, this, &UploadJob::aboutToClose);
+    setCapabilities(Killable);
 }
 
 void UploadJob::start()
@@ -53,6 +55,10 @@ void UploadJob::start()
         }
     }
     connect(m_server, &QTcpServer::newConnection, this, &UploadJob::newConnection);
+   
+    Q_EMIT description(this, i18n("Sending file to %1", Daemon::instance()->getDevice(this->m_deviceId)->name()), 
+                { i18nc("File transfer origin", "From"), m_input.staticCast<QFile>().data()->fileName() }
+    );
 }
 
 void UploadJob::newConnection()
@@ -68,7 +74,6 @@ void UploadJob::newConnection()
     connect(m_socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketFailed(QAbstractSocket::SocketError)));
     connect(m_socket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(sslErrors(QList<QSslError>)));
     connect(m_socket, &QSslSocket::encrypted, this, &UploadJob::startUploading);
-//     connect(mSocket, &QAbstractSocket::stateChanged, [](QAbstractSocket::SocketState state){ qDebug() << "statechange" << state; });
 
     LanLinkProvider::configureSslSocket(m_socket, m_deviceId, true);
 
@@ -77,32 +82,66 @@ void UploadJob::newConnection()
 
 void UploadJob::startUploading()
 {
-    while ( m_input->bytesAvailable() > 0 )
-    {
-        qint64 bytes = qMin(m_input->bytesAvailable(), (qint64)4096);
-        int w = m_socket->write(m_input->read(bytes));
-        if (w<0) {
-            qCWarning(KDECONNECT_CORE) << "error when writing data to upload" << bytes << m_input->bytesAvailable();
-            break;
-        }
-        else
-        {
-            while ( m_socket->flush() );
+    bytesUploaded = 0;
+    setProcessedAmount(Bytes, bytesUploaded);
+    setTotalAmount(Bytes, m_input.data()->size());
+    
+    connect(m_socket, &QSslSocket::encryptedBytesWritten, this, &UploadJob::encryptedBytesWritten);
+    
+    if (!m_timer.isValid()) {
+        m_timer.start();
+    }
+    
+    uploadNextPacket();
+}
+
+void UploadJob::uploadNextPacket()
+{
+    qint64 bytesAvailable = m_input->bytesAvailable();
+
+    if ( bytesAvailable > 0) {
+        qint64 bytesToSend = qMin(m_input->bytesAvailable(), (qint64)4096);
+        bytesUploading = m_socket->write(m_input->read(bytesToSend));
+
+        if (bytesUploading < 0) {
+            qCWarning(KDECONNECT_CORE) << "error when writing data to upload" << bytesToSend << m_input->bytesAvailable();
         }
     }
-    m_input->close();
+    
+    if (bytesAvailable <= 0 || bytesUploading < 0) {
+        m_input->close();
+        disconnect(m_socket, &QSslSocket::encryptedBytesWritten, this, &UploadJob::encryptedBytesWritten);
+    }
+}
+
+void UploadJob::encryptedBytesWritten(qint64 bytes)
+{
+    Q_UNUSED(bytes);
+    
+    bytesUploaded += bytesUploading;
+    
+    if (m_socket->encryptedBytesToWrite() == 0) {
+        setProcessedAmount(Bytes, bytesUploaded);
+    
+        const auto elapsed = m_timer.elapsed();
+        if (elapsed > 0) {
+            emitSpeed((1000 * bytesUploaded) / elapsed);
+        }
+    
+        uploadNextPacket();
+    }
 }
 
 void UploadJob::aboutToClose()
 {
-//     qDebug() << "closing...";
+    qWarning() << "aboutToClose()";
     m_socket->disconnectFromHost();
 }
 
 void UploadJob::cleanup()
 {
+    qWarning() << "cleanup()";
     m_socket->close();
-//     qDebug() << "closed!";
     emitResult();
 }
 
@@ -114,16 +153,24 @@ QVariantMap UploadJob::transferInfo()
 
 void UploadJob::socketFailed(QAbstractSocket::SocketError error)
 {
-    qWarning() << "error uploading" << error;
+    qWarning() << "socketFailed() " << error;
+    m_socket->close();
     setError(2);
     emitResult();
-    m_socket->close();
 }
 
 void UploadJob::sslErrors(const QList<QSslError>& errors)
 {
-    qWarning() << "ssl errors" << errors;
+    qWarning() << "sslErrors() " << errors;
     setError(1);
     emitResult();
     m_socket->close();
 }
+
+bool UploadJob::doKill()
+{    
+    if (m_input) {
+        m_input->close();
+    }
+    return true;
+}

core/backends/lan/uploadjob.h

@@ -28,6 +28,8 @@
 #include <QSharedPointer>
 #include <QSslSocket>
 #include "server.h"
+#include <QElapsedTimer>
+#include <QTimer>
 
 class KDECONNECTCORE_EXPORT UploadJob
     : public KJob
@@ -46,13 +48,21 @@ private:
     QSslSocket* m_socket;
     quint16 m_port;
     const QString m_deviceId;
+    qint64 bytesUploading;
+    qint64 bytesUploaded;
+    QElapsedTimer m_timer;
 
     const static quint16 MIN_PORT = 1739;
     const static quint16 MAX_PORT = 1764;
+    
+protected:
+    bool doKill() override;
 
 private Q_SLOTS:
     void startUploading();
+    void uploadNextPacket();
     void newConnection();
+    void encryptedBytesWritten(qint64 bytes);
     void aboutToClose();
     void cleanup();