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/* qdbusconnection_p.h QDBusConnection private object
*
* Copyright (C) 2005 Harald Fernengel <harry@kdevelop.org>
* Copyright (C) 2006 Trolltech AS. All rights reserved.
* Author: Thiago Macieira <thiago.macieira@trolltech.com>
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
//
// W A R N I N G
// -------------
//
// This file is not part of the public API. This header file may
// change from version to version without notice, or even be
// removed.
//
// We mean it.
//
//
#ifndef QDBUSCONNECTION_P_H
#define QDBUSCONNECTION_P_H
#include "qdbuserror.h"
#include <QtCore/qatomic.h>
#include <QtCore/qeventloop.h>
#include <QtCore/qhash.h>
#include <QtCore/qmutex.h>
#include <QtCore/qobject.h>
#include <QtCore/qpointer.h>
#include <QtCore/qreadwritelock.h>
#include <QtCore/qvarlengtharray.h>
#include <QtCore/qvector.h>
#include <dbus/dbus.h>
#include "qdbusmessage.h"
class QDBusMessage;
class QSocketNotifier;
class QTimerEvent;
class QDBusObjectPrivate;
class CallDeliveryEvent;
class QMetaMethod;
class QDBusInterfacePrivate;
struct QDBusMetaObject;
class QDBusAbstractInterface;
class QDBusBusService;
class QDBusConnectionPrivate: public QObject
{
Q_OBJECT
public:
// structs and enums
enum ConnectionMode { InvalidMode, ServerMode, ClientMode };
struct Watcher
{
Watcher(): watch(0), read(0), write(0) {}
DBusWatch *watch;
QSocketNotifier *read;
QSocketNotifier *write;
};
struct SignalHook
{
inline SignalHook() : obj(0), midx(-1) { }
QString sender, path, signature;
QObject* obj;
int midx;
QList<int> params;
};
struct ObjectTreeNode
{
struct Data
{
QString name;
ObjectTreeNode *node;
inline bool operator<(const QString &other) const
{ return name < other; }
};
inline ObjectTreeNode() : obj(0), flags(0) { }
inline ~ObjectTreeNode() { clear(); }
inline void clear()
{
foreach (const Data &entry, children) {
entry.node->clear();
delete entry.node;
}
children.clear();
}
QObject* obj;
int flags;
QVector<Data> children;
};
public:
// typedefs
typedef QMultiHash<int, Watcher> WatcherHash;
typedef QHash<int, DBusTimeout *> TimeoutHash;
typedef QMultiHash<QString, SignalHook> SignalHookHash;
typedef QHash<QString, QDBusMetaObject* > MetaObjectHash;
public:
// public methods
QDBusConnectionPrivate(QObject *parent = 0);
~QDBusConnectionPrivate();
void bindToApplication();
void setConnection(DBusConnection *connection);
void setServer(DBusServer *server);
void closeConnection();
void timerEvent(QTimerEvent *e);
QString getNameOwner(const QString &service);
int send(const QDBusMessage &message) const;
QDBusMessage sendWithReply(const QDBusMessage &message, int mode);
int sendWithReplyAsync(const QDBusMessage &message, QObject *receiver,
const char *method);
void connectSignal(const QString &key, const SignalHook &hook);
void registerObject(const ObjectTreeNode *node);
void connectRelay(const QString &service, const QString &path, const QString &interface,
QDBusAbstractInterface *receiver, const char *signal);
void disconnectRelay(const QString &service, const QString &path, const QString &interface,
QDBusAbstractInterface *receiver, const char *signal);
bool handleSignal(const QString &key, const QDBusMessage &msg);
bool handleSignal(const QDBusMessage &msg);
bool handleObjectCall(const QDBusMessage &message);
bool handleError();
bool activateSignal(const SignalHook& hook, const QDBusMessage &msg);
bool activateCall(QObject* object, int flags, const QDBusMessage &msg);
bool activateObject(const ObjectTreeNode *node, const QDBusMessage &msg);
bool activateInternalFilters(const ObjectTreeNode *node, const QDBusMessage &msg);
void postCallDeliveryEvent(CallDeliveryEvent *data);
CallDeliveryEvent *postedCallDeliveryEvent();
void deliverCall(const CallDeliveryEvent &data) const;
QDBusInterfacePrivate *findInterface(const QString &service, const QString &path,
const QString &interface);
protected:
virtual void customEvent(QEvent *event);
private:
QDBusMetaObject *findMetaObject(const QString &service, const QString &path,
const QString &interface);
public slots:
// public slots
void doDispatch();
void socketRead(int);
void socketWrite(int);
void objectDestroyed(QObject *o);
void relaySignal(QObject *obj, const char *interface, const char *name, const QVariantList &args);
public:
// public member variables
QString name; // this connection's name
DBusError error;
QDBusError lastError;
QAtomic ref;
QReadWriteLock lock;
ConnectionMode mode;
DBusConnection *connection;
DBusServer *server;
QDBusBusService *busService;
WatcherHash watchers;
TimeoutHash timeouts;
SignalHookHash signalHooks;
QList<DBusTimeout *> pendingTimeouts;
ObjectTreeNode rootNode;
MetaObjectHash cachedMetaObjects;
QMutex callDeliveryMutex;
CallDeliveryEvent *callDeliveryState; // protected by the callDeliveryMutex mutex
public:
// static methods
static int messageMetaType;
static int registerMessageMetaType();
static int findSlot(QObject *obj, const QByteArray &normalizedName, QList<int>& params);
static bool prepareHook(QDBusConnectionPrivate::SignalHook &hook, QString &key,
const QString &service, const QString &path,
const QString &interface, const QString &name,
QObject *receiver, const char *signal, int minMIdx,
bool buildSignature);
static DBusHandlerResult messageFilter(DBusConnection *, DBusMessage *, void *);
static void messageResultReceived(DBusPendingCall *, void *);
};
class QDBusReplyWaiter: public QEventLoop
{
Q_OBJECT
public:
QDBusMessage replyMsg;
public slots:
void reply(const QDBusMessage &msg);
};
// in qdbusmisc.cpp
extern int qDBusParametersForMethod(const QMetaMethod &mm, QList<int>& metaTypes);
extern int qDBusNameToTypeId(const char *name);
extern bool qDBusCheckAsyncTag(const char *tag);
// in qdbusinternalfilters.cpp
extern QString qDBusIntrospectObject(const QDBusConnectionPrivate::ObjectTreeNode *node);
extern void qDBusIntrospectObject(const QDBusConnectionPrivate::ObjectTreeNode *node,
const QDBusMessage &msg);
extern void qDBusPropertyGet(const QDBusConnectionPrivate::ObjectTreeNode *node,
const QDBusMessage &msg);
extern void qDBusPropertySet(const QDBusConnectionPrivate::ObjectTreeNode *node,
const QDBusMessage &msg);
#endif
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