Issue #15 Added CDataLinkDBus, an implementation for sharing state between processes via DBus

2026-04-07 02:35:33 +08:00 · 2019-02-26 01:51:50 +00:00
parent 7df7de7f07
commit 2ddc5d51f7
17 changed files with 1163 additions and 2 deletions
--- a/src/blackmisc/sharedstate/dbus/dupleximpl.h
+++ b/src/blackmisc/sharedstate/dbus/dupleximpl.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 2020
+ * 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. 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.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_SHAREDSTATE_DBUS_DUPLEXIMPL_H
+#define BLACKMISC_SHAREDSTATE_DBUS_DUPLEXIMPL_H
+
+#include "blackmisc/sharedstate/dbus/duplex.h"
+#include <functional>
+
+namespace BlackMisc
+{
+    class CIdentifier;
+    class CDBusServer;
+
+    namespace SharedState
+    {
+        namespace DBus
+        {
+            class CHub;
+
+            /*!
+             * Server side implementation of IDuplex. Receives messages from clients and forwards them to other clients via the CHub.
+             * \ingroup SharedState
+             */
+            class BLACKMISC_EXPORT CDuplex : public IDuplex
+            {
+                Q_OBJECT
+                Q_CLASSINFO("D-Bus Interface", BLACKMISC_DUPLEX_INTERFACE)
+
+            public:
+                //! Constructor.
+                CDuplex(CHub *hub, const CIdentifier &client, CDBusServer *server, QObject *parent = nullptr);
+
+                //! Destructor.
+                virtual ~CDuplex() override;
+
+            public slots:
+                //! \name Interface implementations
+                //! @{
+                virtual void postEvent(const QString &channel, const BlackMisc::CVariant &param) override;
+                virtual void setSubscription(const QString &channel, const BlackMisc::CVariantList &filters) override;
+                virtual void requestPeerSubscriptions() override;
+                virtual void submitRequest(const QString &channel, const BlackMisc::CVariant &param, quint32 token) override;
+                virtual void advertise(const QString &channel) override;
+                virtual void withdraw(const QString &channel) override;
+                //! @}
+
+            private:
+                void requestPeerSubscriptions(const QString &channel);
+
+                CHub *m_hub = nullptr;
+                QMap<QString, CVariantList> m_subscriptions;
+                QSet<QString> m_handlingChannels;
+            };
+        }
+    }
+}
+
+#endif