Add DBus P2P support to XSwiftBus

ref T291

src/xswiftbus/dbusserver.h

@@ -0,0 +1,84 @@
+/* Copyright (C) 2018
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#ifndef BLACKSIM_XSWIFTBUS_DBUSSERVER_H
+#define BLACKSIM_XSWIFTBUS_DBUSSERVER_H
+
+#include "dbusmessage.h"
+#include "dbuserror.h"
+#include "dbuscallbacks.h"
+#include "dbusdispatcher.h"
+
+#include <event2/event.h>
+#include <dbus/dbus.h>
+#include <string>
+#include <unordered_map>
+#include <vector>
+#include <memory>
+#include <functional>
+
+namespace XSwiftBus
+{
+
+    class CDBusObject;
+
+    //! DBus connection
+    class CDBusServer : public IDispatchable
+    {
+    public:
+        //! New connection handler function
+        using NewConnectionFunc = std::function<void(std::shared_ptr<CDBusConnection>)>;
+
+        //! Constructor
+        CDBusServer();
+
+        //! Destructor
+        ~CDBusServer();
+
+        //! Set the dispatcher
+        void setDispatcher(CDBusDispatcher *dispatcher);
+
+        //! Connect to bus
+        bool listen(const std::string &address);
+
+        //! Is connected?
+        bool isConnected() const;
+
+        void dispatch() {}
+
+        //! Close connection
+        void close();
+
+        //! Get the last error
+        CDBusError lastError() const { return m_lastError; }
+
+        //! Set the function to be used for handling new connections.
+        void setNewConnectionFunc(const NewConnectionFunc &func)
+        {
+            m_newConnectionFunc = func;
+        }
+
+    private:
+        void onNewConnection(DBusServer *server, DBusConnection *conn);
+        static void onNewConnection(DBusServer *server, DBusConnection *conn, void *data);
+
+        struct DBusServerDeleter
+        {
+            void operator()(DBusServer *obj) const { dbus_server_unref(obj); }
+        };
+
+        std::unique_ptr<DBusServer, DBusServerDeleter> m_server;
+        CDBusError m_lastError;
+        CDBusDispatcher *m_dispatcher;
+        NewConnectionFunc m_newConnectionFunc;
+    };
+
+}
+
+#endif // guard