--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/declarative/debugger/qdeclarativedebugservice.cpp Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,403 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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/qdeclarativedebugservice_p.h"
+
+#include "private/qpacketprotocol_p.h"
+
+#include <QtCore/qdebug.h>
+#include <QtNetwork/qtcpserver.h>
+#include <QtNetwork/qtcpsocket.h>
+#include <QtCore/qstringlist.h>
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeDebugServerPrivate;
+class QDeclarativeDebugServer : public QObject
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QDeclarativeDebugServer)
+ Q_DISABLE_COPY(QDeclarativeDebugServer)
+public:
+ static QDeclarativeDebugServer *instance();
+ void listen();
+ bool hasDebuggingClient() const;
+
+private Q_SLOTS:
+ void readyRead();
+ void newConnection();
+
+private:
+ friend class QDeclarativeDebugService;
+ friend class QDeclarativeDebugServicePrivate;
+ QDeclarativeDebugServer(int);
+};
+
+class QDeclarativeDebugServerPrivate : public QObjectPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeDebugServer)
+public:
+ QDeclarativeDebugServerPrivate();
+
+ int port;
+ QTcpSocket *connection;
+ QPacketProtocol *protocol;
+ QHash<QString, QDeclarativeDebugService *> plugins;
+ QStringList enabledPlugins;
+ QTcpServer *tcpServer;
+ bool gotHello;
+};
+
+class QDeclarativeDebugServicePrivate : public QObjectPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeDebugService)
+public:
+ QDeclarativeDebugServicePrivate();
+
+ QString name;
+ QDeclarativeDebugServer *server;
+};
+
+QDeclarativeDebugServerPrivate::QDeclarativeDebugServerPrivate()
+: connection(0), protocol(0), gotHello(false)
+{
+}
+
+void QDeclarativeDebugServer::listen()
+{
+ Q_D(QDeclarativeDebugServer);
+
+ d->tcpServer = new QTcpServer(this);
+ QObject::connect(d->tcpServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
+ if (d->tcpServer->listen(QHostAddress::Any, d->port))
+ qWarning("QDeclarativeDebugServer: Waiting for connection on port %d...", d->port);
+ else
+ qWarning("QDeclarativeDebugServer: Unable to listen on port %d", d->port);
+}
+
+void QDeclarativeDebugServer::newConnection()
+{
+ Q_D(QDeclarativeDebugServer);
+
+ if (d->connection) {
+ qWarning("QDeclarativeDebugServer error: another client is already connected");
+ return;
+ }
+
+ d->connection = d->tcpServer->nextPendingConnection();
+ d->connection->setParent(this);
+ d->protocol = new QPacketProtocol(d->connection, this);
+ QObject::connect(d->protocol, SIGNAL(readyRead()), this, SLOT(readyRead()));
+}
+
+bool QDeclarativeDebugServer::hasDebuggingClient() const
+{
+ Q_D(const QDeclarativeDebugServer);
+ return d->gotHello;
+}
+
+QDeclarativeDebugServer *QDeclarativeDebugServer::instance()
+{
+ static bool envTested = false;
+ static QDeclarativeDebugServer *server = 0;
+
+ if (!envTested) {
+ envTested = true;
+ QByteArray env = qgetenv("QML_DEBUG_SERVER_PORT");
+
+ bool ok = false;
+ int port = env.toInt(&ok);
+
+ if (ok && port > 1024) {
+ server = new QDeclarativeDebugServer(port);
+ server->listen();
+ }
+ }
+
+ return server;
+}
+
+QDeclarativeDebugServer::QDeclarativeDebugServer(int port)
+: QObject(*(new QDeclarativeDebugServerPrivate))
+{
+ Q_D(QDeclarativeDebugServer);
+ d->port = port;
+}
+
+void QDeclarativeDebugServer::readyRead()
+{
+ Q_D(QDeclarativeDebugServer);
+
+ if (!d->gotHello) {
+ QPacket hello = d->protocol->read();
+ QString name;
+ hello >> name >> d->enabledPlugins;
+ if (name != QLatin1String("QDeclarativeDebugServer")) {
+ qWarning("QDeclarativeDebugServer: Invalid hello message");
+ QObject::disconnect(d->protocol, SIGNAL(readyRead()), this, SLOT(readyRead()));
+ d->protocol->deleteLater();
+ d->protocol = 0;
+ d->connection->deleteLater();
+ d->connection = 0;
+ return;
+ }
+ d->gotHello = true;
+ qWarning("QDeclarativeDebugServer: Connection established");
+ }
+
+ QString debugServer(QLatin1String("QDeclarativeDebugServer"));
+
+ while (d->protocol->packetsAvailable()) {
+ QPacket pack = d->protocol->read();
+
+ QString name;
+ pack >> name;
+
+ if (name == debugServer) {
+ int op = -1; QString plugin;
+ pack >> op >> plugin;
+
+ if (op == 1) {
+ // Enable
+ if (!d->enabledPlugins.contains(plugin)) {
+ d->enabledPlugins.append(plugin);
+ QHash<QString, QDeclarativeDebugService *>::Iterator iter =
+ d->plugins.find(plugin);
+ if (iter != d->plugins.end())
+ (*iter)->enabledChanged(true);
+ }
+
+ } else if (op == 2) {
+ // Disable
+ if (d->enabledPlugins.contains(plugin)) {
+ d->enabledPlugins.removeAll(plugin);
+ QHash<QString, QDeclarativeDebugService *>::Iterator iter =
+ d->plugins.find(plugin);
+ if (iter != d->plugins.end())
+ (*iter)->enabledChanged(false);
+ }
+ } else {
+ qWarning("QDeclarativeDebugServer: Invalid control message %d", op);
+ }
+
+ } else {
+ QByteArray message;
+ pack >> message;
+
+ QHash<QString, QDeclarativeDebugService *>::Iterator iter =
+ d->plugins.find(name);
+ if (iter == d->plugins.end()) {
+ qWarning() << "QDeclarativeDebugServer: Message received for missing plugin" << name;
+ } else {
+ (*iter)->messageReceived(message);
+ }
+ }
+ }
+}
+
+QDeclarativeDebugServicePrivate::QDeclarativeDebugServicePrivate()
+: server(0)
+{
+}
+
+QDeclarativeDebugService::QDeclarativeDebugService(const QString &name, QObject *parent)
+: QObject(*(new QDeclarativeDebugServicePrivate), parent)
+{
+ Q_D(QDeclarativeDebugService);
+ d->name = name;
+ d->server = QDeclarativeDebugServer::instance();
+
+ if (!d->server)
+ return;
+
+ if (d->server->d_func()->plugins.contains(name)) {
+ qWarning() << "QDeclarativeDebugService: Conflicting plugin name" << name;
+ d->server = 0;
+ } else {
+ d->server->d_func()->plugins.insert(name, this);
+ }
+}
+
+QString QDeclarativeDebugService::name() const
+{
+ Q_D(const QDeclarativeDebugService);
+ return d->name;
+}
+
+bool QDeclarativeDebugService::isEnabled() const
+{
+ Q_D(const QDeclarativeDebugService);
+ return (d->server && d->server->d_func()->enabledPlugins.contains(d->name));
+}
+
+namespace {
+
+ struct ObjectReference
+ {
+ QPointer<QObject> object;
+ int id;
+ };
+
+ struct ObjectReferenceHash
+ {
+ ObjectReferenceHash() : nextId(0) {}
+
+ QHash<QObject *, ObjectReference> objects;
+ QHash<int, QObject *> ids;
+
+ int nextId;
+ };
+
+}
+Q_GLOBAL_STATIC(ObjectReferenceHash, objectReferenceHash);
+
+
+/*!
+ Returns a unique id for \a object. Calling this method multiple times
+ for the same object will return the same id.
+*/
+int QDeclarativeDebugService::idForObject(QObject *object)
+{
+ if (!object)
+ return -1;
+
+ ObjectReferenceHash *hash = objectReferenceHash();
+ QHash<QObject *, ObjectReference>::Iterator iter =
+ hash->objects.find(object);
+
+ if (iter == hash->objects.end()) {
+ int id = hash->nextId++;
+
+ hash->ids.insert(id, object);
+ iter = hash->objects.insert(object, ObjectReference());
+ iter->object = object;
+ iter->id = id;
+ } else if (iter->object != object) {
+ int id = hash->nextId++;
+
+ hash->ids.remove(iter->id);
+
+ hash->ids.insert(id, object);
+ iter->object = object;
+ iter->id = id;
+ }
+ return iter->id;
+}
+
+/*!
+ Returns the object for unique \a id. If the object has not previously been
+ assigned an id, through idForObject(), then 0 is returned. If the object
+ has been destroyed, 0 is returned.
+*/
+QObject *QDeclarativeDebugService::objectForId(int id)
+{
+ ObjectReferenceHash *hash = objectReferenceHash();
+
+ QHash<int, QObject *>::Iterator iter = hash->ids.find(id);
+ if (iter == hash->ids.end())
+ return 0;
+
+
+ QHash<QObject *, ObjectReference>::Iterator objIter =
+ hash->objects.find(*iter);
+ Q_ASSERT(objIter != hash->objects.end());
+
+ if (objIter->object == 0) {
+ hash->ids.erase(iter);
+ hash->objects.erase(objIter);
+ return 0;
+ } else {
+ return *iter;
+ }
+}
+
+bool QDeclarativeDebugService::isDebuggingEnabled()
+{
+ return QDeclarativeDebugServer::instance() != 0;
+}
+
+bool QDeclarativeDebugService::hasDebuggingClient()
+{
+ return QDeclarativeDebugServer::instance() != 0
+ && QDeclarativeDebugServer::instance()->hasDebuggingClient();
+}
+
+QString QDeclarativeDebugService::objectToString(QObject *obj)
+{
+ if(!obj)
+ return QLatin1String("NULL");
+
+ QString objectName = obj->objectName();
+ if(objectName.isEmpty())
+ objectName = QLatin1String("<unnamed>");
+
+ QString rv = QString::fromUtf8(obj->metaObject()->className()) +
+ QLatin1String(": ") + objectName;
+
+ return rv;
+}
+
+void QDeclarativeDebugService::sendMessage(const QByteArray &message)
+{
+ Q_D(QDeclarativeDebugService);
+
+ if (!d->server || !d->server->d_func()->connection)
+ return;
+
+ QPacket pack;
+ pack << d->name << message;
+ d->server->d_func()->protocol->send(pack);
+ d->server->d_func()->connection->flush();
+}
+
+void QDeclarativeDebugService::enabledChanged(bool)
+{
+}
+
+void QDeclarativeDebugService::messageReceived(const QByteArray &)
+{
+}
+
+QT_END_NAMESPACE
+
+#include <qdeclarativedebugservice.moc>