/*
* Copyright 2014 NAVER Corp.
*
* Licensed 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 com.navercorp.pinpoint.rpc.packet;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
/**
* @author emeroad
*/
public class TraceSendPacket extends SendPacket {
private int traceId;
public TraceSendPacket() {
}
public TraceSendPacket(byte[] payload) {
super(payload);
}
public TraceSendPacket(int traceId, byte[] payload) {
super(payload);
this.traceId = traceId;
}
public int getTraceId() {
return traceId;
}
public void setTraceId(int traceId) {
this.traceId = traceId;
}
@Override
public short getPacketType() {
return PacketType.APPLICATION_TRACE_SEND;
}
@Override
public ChannelBuffer toBuffer() {
ChannelBuffer header = ChannelBuffers.buffer(2 + 4 + 4);
header.writeShort(PacketType.APPLICATION_TRACE_SEND);
header.writeInt(traceId);
return PayloadPacket.appendPayload(header, payload);
}
public static Packet readBuffer(short packetType, ChannelBuffer buffer) {
assert packetType == PacketType.APPLICATION_TRACE_SEND;
if (buffer.readableBytes() < 8) {
buffer.resetReaderIndex();
return null;
}
final int traceId = buffer.readInt();
ChannelBuffer payload = PayloadPacket.readPayload(buffer);
if (payload == null) {
return null;
}
return new TraceSendPacket(traceId, payload.array());
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder(64);
sb.append("TraceSendPacket");
sb.append("{traceId=").append(traceId);
sb.append(", ");
if (payload == null) {
sb.append("payload=null}");
} else {
sb.append("payloadLength=").append(payload.length);
sb.append('}');
}
return sb.toString();
}
}