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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.framing;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.qpid.AMQException;
import org.apache.qpid.codec.MarkableDataInput;
import org.apache.qpid.protocol.AMQVersionAwareProtocolSession;
public class HeartbeatBody implements AMQBody
{
public static final byte TYPE = 8;
public static final AMQFrame FRAME = new HeartbeatBody().toFrame();
public HeartbeatBody()
{
}
public HeartbeatBody(DataInputStream buffer, long size) throws IOException
{
if(size > 0)
{
//allow other implementations to have a payload, but ignore it:
buffer.skip(size);
}
}
public byte getFrameType()
{
return TYPE;
}
public int getSize()
{
return 0;//heartbeats we generate have no payload
}
public void writePayload(DataOutput buffer)
{
}
public void handle(final int channelId, final AMQVersionAwareProtocolSession session)
throws AMQException
{
session.heartbeatBodyReceived(channelId, this);
}
protected void populateFromBuffer(DataInputStream buffer, long size) throws AMQFrameDecodingException, IOException
{
if(size > 0)
{
//allow other implementations to have a payload, but ignore it:
buffer.skip(size);
}
}
public AMQFrame toFrame()
{
return new AMQFrame(0, this);
}
public static void process(final int channel,
final MarkableDataInput in,
final MethodProcessor processor,
final long bodySize) throws IOException
{
if(bodySize > 0)
{
in.skip(bodySize);
}
processor.receiveHeartbeat();
}
}
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