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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 180 insertions, 0 deletions

diff --git a/src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp b/src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp
new file mode 100644
index 0000000000..21b0169c81
--- /dev/null
+++ b/src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp
@@ -0,0 +1,180 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qostdevice.h"
+#include <e32base.h>
+
+#include "usbostcomm.h"
+
+class QOstDevicePrivate : public CActive
+{
+    QOstDevice* q_ptr;
+    Q_DECLARE_PUBLIC(QOstDevice)
+
+public:
+    QOstDevicePrivate() : CActive(CActive::EPriorityStandard) {
+        CActiveScheduler::Add(this);
+    }
+    ~QOstDevicePrivate() {
+        Cancel();
+    }
+
+private:
+    void RunL();
+    void DoCancel();
+
+private:
+    RUsbOstComm ost;
+    TBuf8<4096> readBuf;
+    QByteArray dataBuf;
+};
+
+QOstDevice::QOstDevice(QObject *parent) :
+    QIODevice(parent), d_ptr(new QOstDevicePrivate)
+{
+    d_ptr->q_ptr = this;
+}
+
+QOstDevice::~QOstDevice()
+{
+    close();
+    delete d_ptr;
+}
+
+bool QOstDevice::open(int ostProtocolId)
+{
+    if (isOpen())
+        return false;
+
+    Q_D(QOstDevice);
+    TInt err = d->ost.Connect();
+    if (!err) err = d->ost.Open();
+    const TVersion KRequiredVersion(1,1,0);
+    TVersion version = d->ost.Version();
+    if (version.iMajor < KRequiredVersion.iMajor ||
+            (version.iMajor == KRequiredVersion.iMajor && version.iMinor < KRequiredVersion.iMinor)) {
+        setErrorString("CODA version too old. At least version 4.0.18 (without TRK) is required.");
+        return false;
+    }
+
+    if (!err) err = d->ost.RegisterProtocolID((TOstProtIds)ostProtocolId, EFalse);
+    if (!err) {
+        d->ost.ReadMessage(d->iStatus, d->readBuf);
+        d->SetActive();
+        return QIODevice::open(ReadWrite | Unbuffered);
+    }
+    return false;
+}
+
+void QOstDevicePrivate::RunL()
+{
+    Q_Q(QOstDevice);
+    //qDebug("QOstDevice received %d bytes q=%x", readBuf.Size(), q);
+    if (iStatus == KErrNone) {
+        QByteArray data = QByteArray::fromRawData((const char*)readBuf.Ptr(), readBuf.Size());
+        dataBuf.append(data);
+
+        readBuf.Zero();
+        ost.ReadMessage(iStatus, readBuf);
+        SetActive();
+
+        emit q->readyRead();
+    } else {
+        q->setErrorString(QString("Error %1 from RUsbOstComm::ReadMessage()").arg(iStatus.Int()));
+    }
+    //qDebug("-QOstDevicePrivate RunL");
+}
+
+void QOstDevicePrivate::DoCancel()
+{
+    ost.ReadCancel();
+}
+
+void QOstDevice::close()
+{
+    Q_D(QOstDevice);
+    QIODevice::close();
+    d->Cancel();
+    // RDbgTrcComm::Close isn't safe to call when not open, sigh
+    if (d->ost.Handle()) {
+        d->ost.Close();
+    }
+}
+
+qint64 QOstDevice::readData(char *data, qint64 maxSize)
+{
+    Q_D(QOstDevice);
+    if (d->dataBuf.length() == 0 && !d->IsActive())
+        return -1;
+    qint64 available = qMin(maxSize, (qint64)d->dataBuf.length());
+    memcpy(data, d->dataBuf.constData(), available);
+    d->dataBuf.remove(0, available);
+    return available;
+}
+
+static const TInt KMaxOstPacketLen = 4096;
+
+qint64 QOstDevice::writeData(const char *data, qint64 maxSize)
+{
+    Q_D(QOstDevice);
+    TPtrC8 ptr((const TUint8*)data, (TInt)maxSize);
+    while (ptr.Length()) {
+        TPtrC8 fragment = ptr.Left(qMin(ptr.Length(), KMaxOstPacketLen));
+        //qDebug("QOstDevice writing %d bytes", fragment.Length());
+        TRequestStatus stat;
+        d->ost.WriteMessage(stat, fragment);
+        User::WaitForRequest(stat);
+        if (stat.Int() != KErrNone) {
+            setErrorString(QString("Error %1 from RUsbOstComm::WriteMessage()").arg(stat.Int()));
+            return -1;
+        }
+        ptr.Set(ptr.Mid(fragment.Length()));
+    }
+    emit bytesWritten(maxSize); //TODO does it matter this is emitted synchronously?
+    //qDebug("QOstDevice wrote %d bytes", ptr.Size());
+    return maxSize;
+}
+
+qint64 QOstDevice::bytesAvailable() const
+{
+    Q_D(const QOstDevice);
+    return d->dataBuf.length();
+}