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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using org.apache.qpid.transport;
using org.apache.qpid.transport.util;
namespace org.apache.qpid.client
{
internal class ClientConnectionDelegate : ClientDelegate
{
private static readonly Logger log = Logger.Get(typeof (ClientConnectionDelegate));
private readonly Client _client;
private string _username;
private string _password;
// PLAIN SASL mechanism by default
private string _mechanism = "PLAIN";
private Exception _exception;
public ClientConnectionDelegate(Client client, string username, string pasword)
{
_client = client;
_username = username;
_password = pasword;
}
public ClientConnectionDelegate(Client client, string username, string pasword, string mechanism)
: this(client, username, pasword)
{
_mechanism = mechanism;
}
public Exception Exception
{
get { return _exception; }
}
public override SessionDelegate GetSessionDelegate()
{
return new ClientSessionDelegate();
}
public override void RaiseException(Exception exception)
{
_exception = exception;
if (_negotiationComplete != null)
_negotiationComplete.Set();
else
_client.RaiseException(exception);
}
public override void ConnectionStart(Channel context, ConnectionStart mystruct)
{
MemoryStream stResponse = new MemoryStream();
// do not send username and password for EXTERNAL mechanism,
// because they are inside a certificate file
if (_mechanism != "EXTERNAL")
{
byte[] part = Encoding.UTF8.GetBytes(_username);
stResponse.WriteByte(0);
stResponse.Write(part, 0, part.Length);
stResponse.WriteByte(0);
part = Encoding.UTF8.GetBytes(_password);
stResponse.Write(part, 0, part.Length);
}
Dictionary<String, Object> props = new Dictionary<String, Object>();
context.ConnectionStartOk(props, _mechanism, stResponse.ToArray(), "utf8");
}
public override void ConnectionOpenOk(Channel context, ConnectionOpenOk mstruct)
{
base.ConnectionOpenOk(context, mstruct);
_client.ConnectionOpenOk(context, mstruct);
}
public override void Closed()
{
log.Debug("Delegate Closed");
lock (_client.CloseOk)
{
try
{
_client.IsClosed = true;
Monitor.PulseAll(_client.CloseOk);
}
catch (Exception e)
{
throw new SystemException("Error when closing client", e);
}
}
}
public override void ConnectionClose(Channel context, ConnectionClose connectionClose)
{
base.ConnectionClose(context, connectionClose);
ErrorCode errorCode = ErrorCode.GetErrorCode((int) connectionClose.GetReplyCode());
if(_client.ClosedListener != null)
_client.ClosedListener.OnClosed(errorCode, connectionClose.GetReplyText(), null);
if (errorCode.Code != (int)QpidErrorCode.NO_ERROR)
throw new Exception ("Server Closed the connection: Reason " + connectionClose.GetReplyText());
}
}
}
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