mcs/class/Npgsql/Npgsql/NpgsqlBackEndKeyData.cs

   1 // created on 11/6/2002 at 11:53
   2
   3 // Npgsql.NpgsqlBackEndKeyData.cs
   4 //
   5 // Author:
   6 //      Francisco Jr. (fxjrlists@yahoo.com.br)
   7 //
   8 //      Copyright (C) 2002 The Npgsql Development Team
   9 //      npgsql-general@gborg.postgresql.org
  10 //      http://gborg.postgresql.org/project/npgsql/projdisplay.php
  11 //
  12
  13 // This library is free software; you can redistribute it and/or
  14 // modify it under the terms of the GNU Lesser General Public
  15 // License as published by the Free Software Foundation; either
  16 // version 2.1 of the License, or (at your option) any later version.
  17 //
  18 // This library is distributed in the hope that it will be useful,
  19 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 // Lesser General Public License for more details.
  22 //
  23 // You should have received a copy of the GNU Lesser General Public
  24 // License along with this library; if not, write to the Free Software
  25 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  26
  27
  28 using System;
  29 using System.IO;
  30 using System.Text;
  31 using System.Net;
  32
  33 namespace Npgsql
  34 {
  35         /// <summary>
  36         /// This class represents a BackEndKeyData message received
  37         /// from PostgreSQL
  38         /// </summary>
  39         internal sealed class NpgsqlBackEndKeyData
  40         {
  41                 // Logging related values
  42     private static readonly String CLASSNAME = "NpgsqlBackEndKeyData";
  43
  44                 private Int32 process_id;
  45                 private Int32 secret_key;
  46
  47
  48                 public void ReadFromStream(Stream input_stream)
  49                 {
  50                         NpgsqlEventLog.LogMsg("Entering " + CLASSNAME + ".ReadFromStream()", LogLevel.Debug);
  51
  52                         Byte[] input_buffer = new Byte[8];
  53
  54                         // Read the BackendKeyData message contents. Two Int32 integers = 8 Bytes.
  55                         input_stream.Read(input_buffer, 0, 8);
  56                         process_id = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(input_buffer, 0));
  57                         secret_key = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(input_buffer, 4));
  58
  59                 }
  60
  61                 public Int32 ProcessID
  62                 {
  63                         get
  64                         {
  65                                 NpgsqlEventLog.LogMsg("Got ProcessID. Value: " + process_id, LogLevel.Debug);
  66                                 return process_id;
  67                         }
  68                 }
  69
  70                 public Int32 SecretKey
  71                 {
  72                         get
  73                         {
  74                                 NpgsqlEventLog.LogMsg("Got SecretKey. Value: " + secret_key, LogLevel.Debug);
  75                                 return secret_key;
  76                         }
  77                 }
  78         }
  79 }