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99 lines
3.7 KiB
C++
99 lines
3.7 KiB
C++
/* Copyright (C) 2018
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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#ifndef BLACKSIM_XSWIFTBUS_DBUSOBJECT_H
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#define BLACKSIM_XSWIFTBUS_DBUSOBJECT_H
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#include "dbusconnection.h"
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#include "settings.h"
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#include <XPLM/XPLMDisplay.h>
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#include <mutex>
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#include <deque>
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namespace XSwiftBus
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{
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//! DBus base object
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class CDBusObject : public CSettingsAware
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{
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public:
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//! Constructor
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CDBusObject(CSettingsProvider *settingsProvider);
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//! Destructor
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virtual ~CDBusObject();
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//! Set the assigned DBus connection.
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//! \remark Currently one object can only manage one connection at a time
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void setDBusConnection(const std::shared_ptr<CDBusConnection> &dbusConnection);
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//! Register itself with interfaceName and objectPath
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//! \warning Before calling this method, make sure that a valid DBus connection was set.
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void registerDBusObjectPath(const std::string &interfaceName, const std::string &objectPath);
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protected:
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//! Handler which is called when DBusCconnection is established
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virtual void dbusConnectedHandler() {}
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//! DBus message handler
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virtual DBusHandlerResult dbusMessageHandler(const CDBusMessage &message) = 0;
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//! Handler which is called when DBusConnection disconnected
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virtual void dbusDisconnectedHandler() {}
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//! Send DBus signal
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void sendDBusSignal(const std::string &name);
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//! Send DBus message
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void sendDBusMessage(const CDBusMessage &message);
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//! Maybe sends an empty DBus reply (acknowledgement)
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void maybeSendEmptyDBusReply(bool wantsReply, const std::string &destination, dbus_uint32_t serial);
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//! Send DBus reply
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template <typename T>
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void sendDBusReply(const std::string &destination, dbus_uint32_t serial, const T &argument)
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{
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CDBusMessage reply = CDBusMessage::createReply(destination, serial);
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reply.beginArgumentWrite();
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reply.appendArgument(argument);
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m_dbusConnection->sendMessage(reply);
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}
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//! Send DBus reply
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template <typename T>
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void sendDBusReply(const std::string &destination, dbus_uint32_t serial, const std::vector<T> &array)
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{
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CDBusMessage reply = CDBusMessage::createReply(destination, serial);
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reply.beginArgumentWrite();
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reply.appendArgument(array);
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m_dbusConnection->sendMessage(reply);
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}
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//! Queue a DBus call to be executed in a different thread
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void queueDBusCall(const std::function<void()> &func);
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//! Invoke all pending DBus calls. They will be executed in the calling thread.
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void invokeQueuedDBusCalls();
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private:
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static void dbusObjectPathUnregisterFunction(DBusConnection *connection, void *data);
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static DBusHandlerResult dbusObjectPathMessageFunction(DBusConnection *connection, DBusMessage *message, void *data);
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std::shared_ptr<CDBusConnection> m_dbusConnection;
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std::string m_interfaceName;
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std::string m_objectPath;
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std::mutex m_mutex; //!< DBus calls
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std::deque<std::function<void()>> m_qeuedDBusCalls;
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const DBusObjectPathVTable m_dbusObjectPathVTable = { dbusObjectPathUnregisterFunction, dbusObjectPathMessageFunction, nullptr, nullptr, nullptr, nullptr };
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};
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} // ns
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#endif // guard
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