Exemplo n.º 1
0
        public void DetachClientAndRemoveShares(string clientSystemId)
        {
            ISQLDatabase database    = ServiceRegistration.Get <ISQLDatabase>();
            ITransaction transaction = database.BeginTransaction();

            try
            {
                using (IDbCommand command = ClientManager_SubSchema.DeleteAttachedClientCommand(transaction, clientSystemId))
                    command.ExecuteNonQuery();

                IMediaLibrary mediaLibrary = ServiceRegistration.Get <IMediaLibrary>();
                mediaLibrary.DeleteMediaItemOrPath(clientSystemId, null, true);
                mediaLibrary.RemoveSharesOfSystem(clientSystemId);

                transaction.Commit();
            }
            catch (Exception e)
            {
                ServiceRegistration.Get <ILogger>().Error("ClientManager: Error detaching client '{0}'", e, clientSystemId);
                transaction.Rollback();
                throw;
            }
            ServiceRegistration.Get <ILogger>().Info("ClientManager: Client with system ID '{0}' detached", clientSystemId);
            // Last action: Remove the client from the collection of attached clients and disconnect the client connection, if connected
            _attachedClients = ReadAttachedClientsFromDB();
            _controlPoint.RemoveAttachedClient(clientSystemId);
            ClientManagerMessaging.SendClientAttachmentChangeMessage(ClientManagerMessaging.MessageType.ClientDetached, clientSystemId);
        }
Exemplo n.º 2
0
        public void AttachClient(string clientSystemId)
        {
            ISQLDatabase database    = ServiceRegistration.Get <ISQLDatabase>();
            ITransaction transaction = database.BeginTransaction();

            try
            {
                using (IDbCommand command = ClientManager_SubSchema.InsertAttachedClientCommand(transaction, clientSystemId, null, null))
                    command.ExecuteNonQuery();
                transaction.Commit();
            }
            catch (Exception e)
            {
                ServiceRegistration.Get <ILogger>().Error("ClientManager: Error attaching client '{0}'", e, clientSystemId);
                transaction.Rollback();
                throw;
            }
            ServiceRegistration.Get <ILogger>().Info("ClientManager: Client with system ID '{0}' attached", clientSystemId);
            // Establish the UPnP connection to the client, if available in the network
            IDictionary <string, MPClientMetadata> attachedClients = ReadAttachedClientsFromDB();

            lock (_syncObj)
                _attachedClients = attachedClients;
            _controlPoint.AddAttachedClient(clientSystemId);
            ClientManagerMessaging.SendClientAttachmentChangeMessage(ClientManagerMessaging.MessageType.ClientAttached, clientSystemId);
        }
Exemplo n.º 3
0
        /// <summary>
        /// Returns a dictionary which maps the system ids of all attached clients to their last hostname.
        /// </summary>
        /// <returns>Dictionary with system ids mapped to host names.</returns>
        protected IDictionary <string, MPClientMetadata> ReadAttachedClientsFromDB()
        {
            ISQLDatabase database    = ServiceRegistration.Get <ISQLDatabase>();
            ITransaction transaction = database.BeginTransaction();

            try
            {
                int systemIdIndex;
                int lastHostNameIndex;
                int lastClientNameIndex;
                IDictionary <string, MPClientMetadata> result = new Dictionary <string, MPClientMetadata>();
                using (IDbCommand command = ClientManager_SubSchema.SelectAttachedClientsCommand(transaction, out systemIdIndex,
                                                                                                 out lastHostNameIndex, out lastClientNameIndex))
                    using (IDataReader reader = command.ExecuteReader())
                    {
                        while (reader.Read())
                        {
                            string     clientSystemId     = database.ReadDBValue <string>(reader, systemIdIndex);
                            string     lastClientHostName = database.ReadDBValue <string>(reader, lastHostNameIndex);
                            SystemName lastHostName       = lastClientHostName == null ? null : new SystemName(lastClientHostName);
                            string     lastClientName     = database.ReadDBValue <string>(reader, lastClientNameIndex);
                            result.Add(clientSystemId, new MPClientMetadata(clientSystemId, lastHostName, lastClientName));
                        }
                    }
                return(result);
            }
            finally
            {
                transaction.Dispose();
            }
        }
Exemplo n.º 4
0
        protected void UpdateClientSystem(string clientSystemId, SystemName system, string clientName)
        {
            ServiceRegistration.Get <ILogger>().Info("ClientManager: Updating host name of client '{0}' to '{1}'", clientSystemId, system.HostName);
            ISQLDatabase database    = ServiceRegistration.Get <ISQLDatabase>();
            ITransaction transaction = database.BeginTransaction();

            try
            {
                using (IDbCommand command = ClientManager_SubSchema.UpdateAttachedClientDataCommand(transaction, clientSystemId, system, clientName))
                    command.ExecuteNonQuery();
                transaction.Commit();
            }
            catch (Exception e)
            {
                ServiceRegistration.Get <ILogger>().Error("ClientManager: Error updating host name '{0}' of client '{1}'", e, system.HostName, clientSystemId);
                transaction.Rollback();
                throw;
            }
            IDictionary <string, MPClientMetadata> attachedClients = ReadAttachedClientsFromDB();

            lock (_syncObj)
                _attachedClients = attachedClients;
        }