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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.
*
*/
package org.apache.qpid.protocol;
import java.net.SocketAddress;
import org.apache.qpid.framing.AMQDataBlock;
import org.apache.qpid.transport.NetworkDriver;
import org.apache.qpid.transport.Receiver;
/**
* A ProtocolEngine is a Receiver for java.nio.ByteBuffers. It takes the data passed to it in the received
* decodes it and then process the result.
*/
public interface ProtocolEngine extends Receiver<java.nio.ByteBuffer>
{
// Sets the network driver providing data for this ProtocolEngine
void setNetworkDriver (NetworkDriver driver);
// Returns the remote address of the NetworkDriver
SocketAddress getRemoteAddress();
// Returns number of bytes written
long getWrittenBytes();
// Returns number of bytes read
long getReadBytes();
// Called by the NetworkDriver when the socket has been closed for reading
void closed();
// Called when the NetworkEngine has not written data for the specified period of time (will trigger a
// heartbeat)
void writerIdle();
// Called when the NetworkEngine has not read data for the specified period of time (will close the connection)
void readerIdle();
/**
* Accepts an AMQFrame for writing to the network. The ProtocolEngine encodes the frame into bytes and
* passes the data onto the NetworkDriver for sending
*/
void writeFrame(AMQDataBlock frame);
}
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