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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.
*
*/
namespace Apache.Qpid.Messaging
{
public interface IConnectionListener
{
/// <summary>
/// Called when bytes have been transmitted to the server
/// </summary>
/// <param>count the number of bytes sent in total since the connection was opened</param>
void BytesSent(long count);
/// <summary>
/// Called when some bytes have been received on a connection
/// </summary>
/// <param>count the number of bytes received in total since the connection was opened</param>
void BytesReceived(long count);
/// <summary>
/// Called after the infrastructure has detected that failover is required but before attempting failover.
/// </summary>
/// <param>redirect true if the broker requested redirect. false if failover is occurring due to a connection error.</param>
/// <return>true to continue failing over, false to veto failover and raise a connection exception</return>
bool PreFailover(bool redirect);
/// <summary>
/// Called after connection has been made to another broker after failover has been started but before
/// any resubscription has been done.
/// <return> true to continue with resubscription, false to prevent automatic resubscription. This is useful in
/// cases where the application wants to handle resubscription. Note that in the latter case all sessions, producers
/// and consumers are invalidated.
/// </return
bool PreResubscribe();
/// <summary>
/// Called once failover has completed successfully. This is called irrespective of whether the client has
/// vetoed automatic resubscription.
/// </summary>
void FailoverComplete();
}
}
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