mcs/class/Npgsql/Npgsql/NpgsqlStartupState.cs

   1 // Npgsql.NpgsqlStartupState.cs
   2 //
   3 // Author:
   4 //      Dave Joyner <d4ljoyn@yahoo.com>
   5 //
   6 //      Copyright (C) 2002 The Npgsql Development Team
   7 //      npgsql-general@gborg.postgresql.org
   8 //      http://gborg.postgresql.org/project/npgsql/projdisplay.php
   9 //
  10 // This library is free software; you can redistribute it and/or
  11 // modify it under the terms of the GNU Lesser General Public
  12 // License as published by the Free Software Foundation; either
  13 // version 2.1 of the License, or (at your option) any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 // Lesser General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU Lesser General Public
  21 // License along with this library; if not, write to the Free Software
  22 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23
  24
  25 using System;
  26 using System.IO;
  27 using System.Net;
  28 using System.Net.Sockets;
  29
  30 namespace Npgsql
  31 {
  32
  33
  34     internal sealed class NpgsqlStartupState : NpgsqlState
  35     {
  36         private static NpgsqlStartupState _instance = null;
  37
  38         private readonly String CLASSNAME = "NpgsqlStartupState";
  39
  40         private NpgsqlStartupState() : base()
  41         { }
  42
  43         public static NpgsqlStartupState Instance
  44         {
  45             get
  46             {
  47                 if ( _instance == null )
  48                 {
  49                     _instance = new NpgsqlStartupState();
  50                 }
  51                 return _instance;
  52             }
  53         }
  54         public override void Authenticate( NpgsqlConnector context, string password)
  55         {
  56             NpgsqlEventLog.LogMethodEnter(LogLevel.Debug, CLASSNAME, "Authenticate");
  57             NpgsqlPasswordPacket pwpck = new NpgsqlPasswordPacket(password, context.BackendProtocolVersion);
  58             BufferedStream stream = new BufferedStream(context.Stream);
  59             pwpck.WriteToStream(stream, context.Encoding);
  60             stream.Flush();
  61
  62         }
  63     }
  64 }