1 files changed, 292 insertions, 0 deletions
diff --git a/src/declarative/debugger/qdeclarativedebugclient.cpp b/src/declarative/debugger/qdeclarativedebugclient.cpp
new file mode 100644
index 0000000000..036dee1f2c
--- /dev/null
+++ b/src/declarative/debugger/qdeclarativedebugclient.cpp
@@ -0,0 +1,292 @@
+/****************************************************************************
+**
+** 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 "private/qdeclarativedebugclient_p.h"
+
+#include "private/qpacketprotocol_p.h"
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qstringlist.h>
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+const int protocolVersion = 1;
+const QString serverId = QLatin1String("QDeclarativeDebugServer");
+const QString clientId = QLatin1String("QDeclarativeDebugClient");
+
+class QDeclarativeDebugClientPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QDeclarativeDebugClient)
+public:
+    QDeclarativeDebugClientPrivate();
+
+    QString name;
+    QDeclarativeDebugConnection *connection;
+};
+
+class QDeclarativeDebugConnectionPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    QDeclarativeDebugConnectionPrivate(QDeclarativeDebugConnection *c);
+    QDeclarativeDebugConnection *q;
+    QPacketProtocol *protocol;
+
+    bool gotHello;
+    QStringList serverPlugins;
+    QHash<QString, QDeclarativeDebugClient *> plugins;
+
+    void advertisePlugins();
+
+public Q_SLOTS:
+    void connected();
+    void readyRead();
+};
+
+QDeclarativeDebugConnectionPrivate::QDeclarativeDebugConnectionPrivate(QDeclarativeDebugConnection *c)
+: QObject(c), q(c), protocol(0), gotHello(false)
+{
+    protocol = new QPacketProtocol(q, this);
+    QObject::connect(c, SIGNAL(connected()), this, SLOT(connected()));
+    QObject::connect(protocol, SIGNAL(readyRead()), this, SLOT(readyRead()));
+}
+
+void QDeclarativeDebugConnectionPrivate::advertisePlugins()
+{
+    if (!q->isConnected())
+        return;
+
+    QPacket pack;
+    pack << serverId << 1 << plugins.keys();
+    protocol->send(pack);
+    q->flush();
+}
+
+void QDeclarativeDebugConnectionPrivate::connected()
+{
+    QPacket pack;
+    pack << serverId << 0 << protocolVersion << plugins.keys();
+    protocol->send(pack);
+    q->flush();
+}
+
+void QDeclarativeDebugConnectionPrivate::readyRead()
+{
+    if (!gotHello) {
+        QPacket pack = protocol->read();
+        QString name;
+
+        pack >> name;
+
+        bool validHello = false;
+        if (name == clientId) {
+            int op = -1;
+            pack >> op;
+            if (op == 0) {
+                int version = -1;
+                pack >> version;
+                if (version == protocolVersion) {
+                    pack >> serverPlugins;
+                    validHello = true;
+                }
+            }
+        }
+
+        if (!validHello) {
+            qWarning("QDeclarativeDebugConnection: Invalid hello message");
+            QObject::disconnect(protocol, SIGNAL(readyRead()), this, SLOT(readyRead()));
+            return;
+        }
+
+        gotHello = true;
+
+        QHash<QString, QDeclarativeDebugClient *>::Iterator iter = plugins.begin();
+        for (; iter != plugins.end(); ++iter) {
+            QDeclarativeDebugClient::Status newStatus = QDeclarativeDebugClient::Unavailable;
+            if (serverPlugins.contains(iter.key()))
+                newStatus = QDeclarativeDebugClient::Enabled;
+            iter.value()->statusChanged(newStatus);
+        }
+    }
+
+    while (protocol->packetsAvailable()) {
+        QPacket pack = protocol->read();
+        QString name;
+        pack >> name;
+
+        if (name == clientId) {
+            int op = -1;
+            pack >> op;
+
+            if (op == 1) {
+                // Service Discovery
+                QStringList oldServerPlugins = serverPlugins;
+                pack >> serverPlugins;
+
+                QHash<QString, QDeclarativeDebugClient *>::Iterator iter = plugins.begin();
+                for (; iter != plugins.end(); ++iter) {
+                    const QString pluginName = iter.key();
+                    QDeclarativeDebugClient::Status newStatus = QDeclarativeDebugClient::Unavailable;
+                    if (serverPlugins.contains(pluginName))
+                        newStatus = QDeclarativeDebugClient::Enabled;
+
+                    if (oldServerPlugins.contains(pluginName)
+                            != serverPlugins.contains(pluginName)) {
+                        iter.value()->statusChanged(newStatus);
+                    }
+                }
+            } else {
+                qWarning() << "QDeclarativeDebugConnection: Unknown control message id" << op;
+            }
+        } else {
+            QByteArray message;
+            pack >> message;
+
+            QHash<QString, QDeclarativeDebugClient *>::Iterator iter =
+                plugins.find(name);
+            if (iter == plugins.end()) {
+                qWarning() << "QDeclarativeDebugConnection: Message received for missing plugin" << name;
+            } else {
+                (*iter)->messageReceived(message);
+            }
+        }
+    }
+}
+
+QDeclarativeDebugConnection::QDeclarativeDebugConnection(QObject *parent)
+: QTcpSocket(parent), d(new QDeclarativeDebugConnectionPrivate(this))
+{
+}
+
+QDeclarativeDebugConnection::~QDeclarativeDebugConnection()
+{
+    QHash<QString, QDeclarativeDebugClient*>::iterator iter = d->plugins.begin();
+    for (; iter != d->plugins.end(); ++iter) {
+         iter.value()->d_func()->connection = 0;
+         iter.value()->statusChanged(QDeclarativeDebugClient::NotConnected);
+    }
+}
+
+bool QDeclarativeDebugConnection::isConnected() const
+{
+    return state() == ConnectedState;
+}
+
+QDeclarativeDebugClientPrivate::QDeclarativeDebugClientPrivate()
+: connection(0)
+{
+}
+
+QDeclarativeDebugClient::QDeclarativeDebugClient(const QString &name, 
+                                           QDeclarativeDebugConnection *parent)
+: QObject(*(new QDeclarativeDebugClientPrivate), parent)
+{
+    Q_D(QDeclarativeDebugClient);
+    d->name = name;
+    d->connection = parent;
+
+    if (!d->connection)
+        return;
+
+    if (d->connection->d->plugins.contains(name)) {
+        qWarning() << "QDeclarativeDebugClient: Conflicting plugin name" << name;
+        d->connection = 0;
+    } else {
+        d->connection->d->plugins.insert(name, this);
+        d->connection->d->advertisePlugins();
+    }
+}
+
+QDeclarativeDebugClient::~QDeclarativeDebugClient()
+{
+    Q_D(const QDeclarativeDebugClient);
+    if (d->connection && d->connection->d) {
+        d->connection->d->plugins.remove(d->name);
+        d->connection->d->advertisePlugins();
+    }
+}
+
+QString QDeclarativeDebugClient::name() const
+{
+    Q_D(const QDeclarativeDebugClient);
+    return d->name;
+}
+
+QDeclarativeDebugClient::Status QDeclarativeDebugClient::status() const
+{
+    Q_D(const QDeclarativeDebugClient);
+    if (!d->connection
+            || !d->connection->isConnected()
+            || !d->connection->d->gotHello)
+        return NotConnected;
+
+    if (d->connection->d->serverPlugins.contains(d->name))
+        return Enabled;
+
+    return Unavailable;
+}
+
+void QDeclarativeDebugClient::sendMessage(const QByteArray &message)
+{
+    Q_D(QDeclarativeDebugClient);
+
+    if (status() != Enabled)
+        return;
+
+    QPacket pack;
+    pack << d->name << message;
+    d->connection->d->protocol->send(pack);
+    d->connection->d->q->flush();
+}
+
+void QDeclarativeDebugClient::statusChanged(Status)
+{
+}
+
+void QDeclarativeDebugClient::messageReceived(const QByteArray &)
+{
+}
+
+QT_END_NAMESPACE
+
+#include <qdeclarativedebugclient.moc>