Ref T259, Ref T243 client provider used to share info about the other clients

Goal: this info can be used in interpolation to decide if ground flags, parts etc are available

src/blackmisc/network/clientprovider.h

@@ -0,0 +1,116 @@
+/* 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.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_NETWORK_CLIENTPROVIDER_H
+#define BLACKMISC_NETWORK_CLIENTPROVIDER_H
+
+#include "clientlist.h"
+#include "blackmisc/aviation/callsignset.h"
+#include "blackmisc/provider.h"
+#include <QReadWriteLock>
+
+namespace BlackMisc
+{
+    namespace Network
+    {
+        //! Direct in memory access to client (network client) data
+        class BLACKMISC_EXPORT IClientProvider : public IProvider
+        {
+        public:
+            //! Get other clients
+            //! \threadsafe
+            CClientList getClients() const;
+
+            //! Set other clients
+            //! \threadsafe
+            void setClients(const CClientList &clients);
+
+            //! Set other clients
+            //! \threadsafe
+            void clearClients();
+
+            //! Returns a list of other clients corresponding to the given callsigns
+            //! \threadsafe
+            BlackMisc::Network::CClientList getClientsForCallsigns(const Aviation::CCallsignSet &callsigns) const;
+
+            //! Other client for the given callsigns
+            //! \threadsafe
+            BlackMisc::Network::CClient getClientOrDefaultForCallsign(const Aviation::CCallsign &callsign) const;
+
+            //! Client info for given callsign?
+            //! \threadsafe
+            bool hasClientInfo(const Aviation::CCallsign &callsign) const;
+
+            //! Add a new client, if existing nothing will be added
+            //! \threadsafe
+            bool addNewClient(const CClient &client);
+
+            //! Update or add a client
+            //! \threadsafe
+            int updateOrAddClient(const Aviation::CCallsign &callsign, const CPropertyIndexVariantMap &vm, bool skipEqualValues = true);
+
+            //! Remove client
+            //! \threadsafe
+            int removeClient(const Aviation::CCallsign &callsign);
+
+        private:
+            CClientList m_clients;
+            mutable QReadWriteLock m_lockClient; //!< lock clients: m_clients
+        };
+
+        //! Class which can be directly used to access an \sa IClientProvider object
+        class BLACKMISC_EXPORT CClientAware : public IProviderAware<IClientProvider>
+        {
+        public:
+            //! \copydoc IClientProvider::getClients
+            CClientList getClients() const;
+
+            //! \copydoc IClientProvider::setClients
+            void setClients(const CClientList &clients);
+
+            //! \copydoc IClientProvider::clearClients
+            void clearClients();
+
+            //! \copydoc IClientProvider::getClientsForCallsigns
+            BlackMisc::Network::CClientList getClientsForCallsigns(const Aviation::CCallsignSet &callsigns) const;
+
+            //! \copydoc IClientProvider::getClientOrDefaultForCallsign
+            BlackMisc::Network::CClient getClientOrDefaultForCallsign(const Aviation::CCallsign &callsign) const;
+
+            //! \copydoc IClientProvider::hasClientInfo
+            bool hasClientInfo(const Aviation::CCallsign &callsign) const;
+
+            //! \copydoc IClientProvider::addNewClient
+            bool addNewClient(const CClient &client);
+
+            //! \copydoc IClientProvider::updateOrAddClient
+            int updateOrAddClient(const Aviation::CCallsign &callsign, const CPropertyIndexVariantMap &vm, bool skipEqualValues);
+
+            //! \copydoc IClientProvider::removeClient
+            int removeClient(const Aviation::CCallsign &callsign);
+
+            //! Provider
+            void setClientProvider(IClientProvider *provider) { this->setProvider(provider); }
+
+        protected:
+            //! Default constructor
+            CClientAware() {}
+
+            //! Constructor
+            CClientAware(IClientProvider *clientProvider) : m_clientProvider(clientProvider) { Q_ASSERT(clientProvider); }
+            IClientProvider *m_clientProvider = nullptr; //!< access to object
+        };
+    } // namespace
+} // namespace
+
+Q_DECLARE_INTERFACE(BlackMisc::Network::IClientProvider, "BlackMisc::Network::IClientProvider")
+
+#endif // guard