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NpgsqlConnectedState.cs
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63 lines (55 loc) · 2.35 KB
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// Npgsql.NpgsqlConnectedState.cs
//
// Author:
// Dave Joyner <d4ljoyn@yahoo.com>
//
// 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
{
internal sealed class NpgsqlConnectedState : NpgsqlState
{
public static readonly NpgsqlConnectedState Instance = new NpgsqlConnectedState();
private NpgsqlConnectedState()
{
}
public override void Startup(NpgsqlConnector context)
{
NpgsqlStartupPacket startupPacket = new NpgsqlStartupPacket(296, //Not used.
context.BackendProtocolVersion, context.Database,
context.UserName, "", "", "");
startupPacket.WriteToStream(new BufferedStream(context.Stream));
context.RequireReadyForQuery = false;
// This still makes part of the connection stablishment handling.
// So we use the connectiontimeout here too.
context.Mediator.CommandTimeout = context.ConnectionTimeout;
context.Stream.Flush();
ProcessBackendResponses(context);
}
public override void CancelRequest(NpgsqlConnector context)
{
NpgsqlCancelRequest CancelRequestMessage = new NpgsqlCancelRequest(context.BackEndKeyData);
CancelRequestMessage.WriteToStream(context.Stream);
}
}
}