TCPStreamDatabaseInterface.cs

Go to the documentation of this file.

// 
//  Copyright 2010-2014 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

using System;
using System.Data;
using System.IO;
using System.Net.Sockets;

namespace Deveel.Data.Client {
    class TCPStreamDatabaseInterface : StreamDatabaseInterface {
        private readonly String host;

        private readonly int port;

        private Socket socket;

        internal TCPStreamDatabaseInterface(String host, int port, string initial_database)
            : base(initial_database) {
            this.host = host;
            this.port = port;
        }

        internal void ConnectToDatabase() {
            if (socket != null) {
                throw new DataException("Connection already established.");
            }
            try {
                // Open a socket connection to the server.
                socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                socket.Connect(host, port);
                // Setup the stream with the given input and output streams.
                Setup(new NetworkStream(socket, FileAccess.Read), new NetworkStream(socket, FileAccess.Write));
            } catch (IOException e) {
                throw new DataException(e.Message);
            }
        }
    }
}