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/* Copyright (C) 2013 BMW Group
* Author: Manfred Bathelt (manfred.bathelt@bmw.de)
* Author: Juergen Gehring (juergen.gehring@bmw.de)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef COMMONAPI_DBUS_DBUS_CONNECTION_H_
#define COMMONAPI_DBUS_DBUS_CONNECTION_H_
#include "DBusProxyConnection.h"
#include "DBusDaemonProxy.h"
#include "DBusServiceRegistry.h"
#include "DBusObjectManager.h"
#include <dbus/dbus.h>
namespace CommonAPI {
namespace DBus {
class DBusObjectManager;
class DBusConnectionStatusEvent: public DBusProxyConnection::ConnectionStatusEvent {
friend class DBusConnection;
public:
DBusConnectionStatusEvent(DBusConnection* dbusConnection);
protected:
virtual void onListenerAdded(const CancellableListener& listener);
DBusConnection* dbusConnection_;
};
class DBusConnection: public DBusProxyConnection, public std::enable_shared_from_this<DBusConnection> {
public:
enum BusType {
SESSION = DBUS_BUS_SESSION,
SYSTEM = DBUS_BUS_SYSTEM,
STARTER = DBUS_BUS_STARTER,
WRAPPED
};
DBusConnection(BusType busType);
inline static std::shared_ptr<DBusConnection> getBus(const BusType& busType);
inline static std::shared_ptr<DBusConnection> wrapLibDBus(::DBusConnection* libDbusConnection);
inline static std::shared_ptr<DBusConnection> getSessionBus();
inline static std::shared_ptr<DBusConnection> getSystemBus();
inline static std::shared_ptr<DBusConnection> getStarterBus();
DBusConnection(const DBusConnection&) = delete;
DBusConnection(::DBusConnection* libDbusConnection);
DBusConnection& operator=(const DBusConnection&) = delete;
virtual ~DBusConnection();
BusType getBusType() const;
bool connect();
bool connect(DBusError& dbusError);
void disconnect();
virtual bool isConnected() const;
virtual ConnectionStatusEvent& getConnectionStatusEvent();
virtual bool requestServiceNameAndBlock(const std::string& serviceName) const;
virtual bool releaseServiceName(const std::string& serviceName) const;
bool sendDBusMessage(const DBusMessage& dbusMessage, uint32_t* allocatedSerial = NULL) const;
static const int kDefaultSendTimeoutMs = 100 * 1000;
std::future<CallStatus> sendDBusMessageWithReplyAsync(
const DBusMessage& dbusMessage,
std::unique_ptr<DBusMessageReplyAsyncHandler> dbusMessageReplyAsyncHandler,
int timeoutMilliseconds = kDefaultSendTimeoutMs) const;
DBusMessage sendDBusMessageWithReplyAndBlock(const DBusMessage& dbusMessage,
DBusError& dbusError,
int timeoutMilliseconds = kDefaultSendTimeoutMs) const;
DBusSignalHandlerToken addSignalMemberHandler(const std::string& objectPath,
const std::string& interfaceName,
const std::string& interfaceMemberName,
const std::string& interfaceMemberSignature,
DBusSignalHandler* dbusSignalHandler);
void registerObjectPath(const std::string& objectPath);
void unregisterObjectPath(const std::string& objectPath);
void removeSignalMemberHandler(const DBusSignalHandlerToken& dbusSignalHandlerToken);
bool readWriteDispatch(int timeoutMilliseconds = -1);
virtual const std::shared_ptr<DBusServiceRegistry> getDBusServiceRegistry();
virtual const std::shared_ptr<DBusObjectManager> getDBusObjectManager();
private:
void dispatch();
std::thread dispatchThread_;
bool stopDispatching_;
void addLibdbusSignalMatchRule(const std::string& objectPath,
const std::string& interfaceName,
const std::string& interfaceMemberName);
void removeLibdbusSignalMatchRule(const std::string& objectPath,
const std::string& interfaceName,
const std::string& interfaceMemberName);
void initLibdbusObjectPathHandlerAfterConnect();
void initLibdbusSignalFilterAfterConnect();
::DBusHandlerResult onLibdbusObjectPathMessage(::DBusMessage* libdbusMessage) const;
::DBusHandlerResult onLibdbusSignalFilter(::DBusMessage* libdbusMessage);
static void onLibdbusPendingCallNotifyThunk(::DBusPendingCall* libdbusPendingCall, void *userData);
static void onLibdbusDataCleanup(void* userData);
static ::DBusHandlerResult onLibdbusObjectPathMessageThunk(::DBusConnection* libdbusConnection,
::DBusMessage* libdbusMessage,
void* userData);
static ::DBusHandlerResult onLibdbusSignalFilterThunk(::DBusConnection* libdbusConnection,
::DBusMessage* libdbusMessage,
void* userData);
BusType busType_;
::DBusConnection* libdbusConnection_;
std::weak_ptr<DBusServiceRegistry> dbusServiceRegistry_;
std::shared_ptr<DBusObjectManager> dbusObjectManager_;
DBusConnectionStatusEvent dbusConnectionStatusEvent_;
typedef std::tuple<std::string, std::string, std::string> DBusSignalMatchRuleTuple;
typedef std::pair<uint32_t, std::string> DBusSignalMatchRuleMapping;
typedef std::unordered_map<DBusSignalMatchRuleTuple, DBusSignalMatchRuleMapping> DBusSignalMatchRulesMap;
DBusSignalMatchRulesMap dbusSignalMatchRulesMap_;
bool isLibdbusSignalFilterAdded_;
DBusSignalHandlerTable dbusSignalHandlerTable_;
// referenceCount, objectPath
typedef std::unordered_map<std::string, uint32_t> LibdbusRegisteredObjectPathHandlersTable;
LibdbusRegisteredObjectPathHandlersTable libdbusRegisteredObjectPaths_;
static DBusObjectPathVTable libdbusObjectPathVTable_;
};
std::shared_ptr<DBusConnection> DBusConnection::getBus(const BusType& busType) {
return std::make_shared<DBusConnection>(busType);
}
std::shared_ptr<DBusConnection> DBusConnection::wrapLibDBus(::DBusConnection* libDbusConnection) {
return std::make_shared<DBusConnection>(libDbusConnection);
}
std::shared_ptr<DBusConnection> DBusConnection::getSessionBus() {
return getBus(BusType::SESSION);
}
std::shared_ptr<DBusConnection> DBusConnection::getSystemBus() {
return getBus(BusType::SYSTEM);
}
std::shared_ptr<DBusConnection> DBusConnection::getStarterBus() {
return getBus(BusType::STARTER);
}
} // namespace DBus
} // namespace CommonAPI
#endif // COMMONAPI_DBUS_DBUS_CONNECTION_H_
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