// created on 11/6/2002 at 11:53

// Npgsql.NpgsqlBackEndKeyData.cs
//
// Author:
//    Francisco Jr. (fxjrlists@yahoo.com.br)
//
//    Copyright (C) 2002 The Npgsql Development Team
//    npgsql-general@gborg.postgresql.org
//    http://gborg.postgresql.org/project/npgsql/projdisplay.php
//

// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

using System.IO;

namespace Npgsql
{
    /// <summary>
    /// This class represents a BackEndKeyData message received
    /// from PostgreSQL
    /// </summary>
    internal sealed class NpgsqlBackEndKeyData
    {
        public readonly int ProcessID;
        public readonly int SecretKey;

        public NpgsqlBackEndKeyData(Stream stream)
        {
            // Read the BackendKeyData message contents. Two Int32 integers = 8 Bytes.
            // For protocol version 3.0 they are three integers. The first one is just the size of message
            // so, just read it.
            PGUtil.EatStreamBytes(stream, 4);

            ProcessID = PGUtil.ReadInt32(stream);
            SecretKey = PGUtil.ReadInt32(stream);
        }
    }
}
