scouter.agent.batch.netio.mtu.MultiPacketProcessor Maven / Gradle / Ivy
package scouter.agent.batch.netio.mtu;
import java.io.IOException;
import java.net.InetAddress;
import scouter.agent.batch.Configure;
import scouter.agent.batch.Logger;
import scouter.util.LongEnumer;
import scouter.util.LongKeyLinkedMap;
import scouter.util.ThreadUtil;
public class MultiPacketProcessor extends Thread{
private static MultiPacketProcessor instance = null;
static final int MAX_COUNT = 1000;
private LongKeyLinkedMap buffer = new LongKeyLinkedMap();
static public MultiPacketProcessor getInstance(){
if(instance == null){
instance = new MultiPacketProcessor();
instance.setDaemon(true);
instance.setName(ThreadUtil.getName(instance));
instance.start();
}
return instance;
}
private MultiPacketProcessor(){
buffer.setMax(MAX_COUNT);
}
public void run() {
while (true) {
ThreadUtil.sleep(1000);
if (buffer.size() > 0) {
try {
checkExpired();
} catch(Exception ex) {
ex.printStackTrace();
}
}
}
}
public byte[] add(long pkid, int total, int num, byte [] data, int objHash, InetAddress addr) throws IOException{
MultiPacket p;
synchronized(buffer){
p = buffer.get(pkid);
if (p == null) {
p = new MultiPacket(total, objHash, addr);
buffer.put(pkid, p);
}
}
p.set(num, data);
if (p.isDone()) {
buffer.remove(pkid);
return p.toBytes();
}
return null;
}
private void checkExpired() {
LongEnumer en = buffer.keys();
long key;
MultiPacket p;
while (en.hasMoreElements() == true) {
key = en.nextLong();
p = buffer.get(key);
if (p.isExpired()) {
buffer.remove(key);
// if (Configure.getInstance().log_expired_multipacket) {
// Logger.println("S150", p.toString());
// }
}
}
}
}