diff --git a/.gitignore b/.gitignore
index ae3c172..52b1fb8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
 /bin/
+/frpc/
+/klalbs4.json
+/klalbs.json
+/klalbs2.json
diff --git a/src/org/kne/cloud/network/klalb/Consts.java b/src/org/kne/cloud/network/klalb/Consts.java
index c3a27f4..4593e53 100644
--- a/src/org/kne/cloud/network/klalb/Consts.java
+++ b/src/org/kne/cloud/network/klalb/Consts.java
@@ -1,9 +1,8 @@
 package org.kne.cloud.network.klalb;
 
 public class Consts {
-	public static final int BLOCKSIZE=16384;
+	public static final int BLOCKSIZE=8192;
 	public static final long PINGTIMENS=1000000000L;
-	public static final double A = 0.125;
 	public static final int SO_TIMEOUT = 20000;
 	public static final long SN_KEEP = 60000000000L;
 	public static final int MAX_RESEND = 100;
diff --git a/src/org/kne/cloud/network/klalb/KLALBBlock.java b/src/org/kne/cloud/network/klalb/KLALBBlock.java
index bc06daf..012e3c0 100644
--- a/src/org/kne/cloud/network/klalb/KLALBBlock.java
+++ b/src/org/kne/cloud/network/klalb/KLALBBlock.java
@@ -23,6 +23,8 @@ public class KLALBBlock implements Comparable<KLALBBlock>{
 
 	public transient volatile long sendtime;
 	public transient volatile int resend;
+
+	public long sendtimeForRTT;
 	
 	
 	public KLALBBlock() {
diff --git a/src/org/kne/cloud/network/klalb/KLALBClient.java b/src/org/kne/cloud/network/klalb/KLALBClient.java
index f4fbc34..447bb09 100644
--- a/src/org/kne/cloud/network/klalb/KLALBClient.java
+++ b/src/org/kne/cloud/network/klalb/KLALBClient.java
@@ -67,6 +67,7 @@ public class KLALBClient {
 	public void listenProxy() {
 		for (int i = 0; i < pet.size(); i++) {
 			ProxyElement pe=pet.get(i);
+			if(pe.getIpport().getPort()>0&&pe.getIpport().getPort()<65536)
 			try {
 				open(pe);
 			} catch (IOException e) {
diff --git a/src/org/kne/cloud/network/klalb/KLALBCore.java b/src/org/kne/cloud/network/klalb/KLALBCore.java
index 539106a..3cf5cda 100644
--- a/src/org/kne/cloud/network/klalb/KLALBCore.java
+++ b/src/org/kne/cloud/network/klalb/KLALBCore.java
@@ -32,10 +32,15 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Predicate;
+import java.util.zip.DataFormatException;
 
 import org.kne.cloud.network.mport.ThreadTool;
 
 public class KLALBCore {
+	private volatile  long RTT=1000000000;
+	private volatile  long RTO=1000000000;
+	private volatile long DevRTT=0;
+	
 	private volatile int cacheblocks;
 	
 	private Map<Integer, LocalTCPConnection> localtcps = new ConcurrentHashMap<>();
@@ -104,7 +109,7 @@ public class KLALBCore {
 				pdb.pingtime=System.nanoTime();
 				tc.sendBlock(pdb);
 			}
-			if(!tc.getNDSendDeque().isEmpty()||!tc.getSendDeque().isEmpty())
+			if(!tc.getNDSendDeque().isEmpty()||!tc.getSendDeque().isEmpty()||!tc.getReSendDeque().isEmpty())
 				break;
 			synchronized (tc.getSendDeque()) {
 				tc.getSendDeque().wait(10);
@@ -112,19 +117,32 @@ public class KLALBCore {
 		}
 		KLALBBlock k0=tc.getNDSendDeque().poll();
 		if(k0!=null) {
-			tc.sendBlock(k0,tc.getNDSendDeque().isEmpty());
+			if(k0.cuid==0&&k0.number==0&&k0.command==1) {
+				k0.pingtime+=System.nanoTime()- k0.sendtime;
+			}
+			tc.sendBlock(k0);
 		}else {
+			KLALBBlock k1=tc.getReSendDeque().poll();
+			if(k1!=null) {
+				tc.sendBlock(k1);
+			}else {
 		KLALBBlock k=tc.getSendDeque().poll();
 		if(k!=null) {
 			//if(localtcps.containsKey(k.cuid)||k.cuid.equals(ZERO_UUID))
-			tc.sendBlock(k,tc.getSendDeque().isEmpty());
+			tc.sendBlock(k);
 		}
+			}
 		}
 	}
 	public void remoteReceive(RemoteTCPConnection tc) throws IOException {
 		KLALBBlock brc=null;
 		for(;;) {
-		brc=tc.receiveBlock();
+		try {
+			brc=tc.receiveBlock();
+		}  catch (DataFormatException e) {
+			throw new StreamCorruptedException("ZIP error");
+		}
+		brc.sendtime=System.nanoTime();
 		if(brc.number!=0||brc.sn==0) {
 			break;
 		}
@@ -156,11 +174,26 @@ public class KLALBCore {
 					pdb.number=0;
 					pdb.command=1;
 					pdb.pingtime=brc.pingtime;
+					pdb.sendtime=brc.sendtime;
 					tc.getNDSendDeque().offer(pdb);
 				}else if(brc.command==1) {
 					long cur=System.nanoTime();
-					long delay=(cur-brc.pingtime)/2;
+					long delay=cur-brc.pingtime;
 					tc.setDelayAvg(delay);
+					synchronized (remotetcps) {
+						Collections.sort(remotetcps, new Comparator<RemoteTCPConnection>() {
+							@Override
+							public int compare(RemoteTCPConnection o1, RemoteTCPConnection o2) {
+								if(o1.getDelay()>o2.getDelay()) {
+									return 1;
+							}else if(o1.getDelay()<o2.getDelay()){
+								return -1;
+							}else {
+								return 0;
+							}
+							}
+						});
+					}
 				}
 			}
 		}else {
@@ -191,7 +224,7 @@ public class KLALBCore {
 					ack.cuid=brc.cuid;
 					ack.number=-brc.number;
 					ack.cacheused=ltcs.getSendDeque().size();
-					submitDataBlockNoDelay(ack);
+					submitAckBlockNoDelay(ack,3);
 				}
 					
 				
@@ -199,34 +232,60 @@ public class KLALBCore {
 				long nx=-brc.number;
 				LocalTCPConnection ltc=localtcps.get(brc.cuid);
 				if(ltc!=null) {
-				ltc.getOutputcache().removeIf((b) -> {
+					List<KLALBBlock> l=ltc.getOutputcache();
+					synchronized (l) {
+						for (Iterator<KLALBBlock> iterator = l.iterator(); iterator.hasNext();) {
+							KLALBBlock klalbBlock = (KLALBBlock) iterator.next();
+							if(klalbBlock.number==nx) {
+								iterator.remove();
+								long SampleRTT=System.nanoTime()-klalbBlock.sendtimeForRTT;
+								RTT=(RTT*19+SampleRTT)/20;
+								DevRTT = (3*DevRTT + Math.abs( SampleRTT - RTT))/4;
+								RTO=RTT+DevRTT;
+								//System.out.println(RTO/1000000);
+							}
+						}
+					}
+				/*ltc.getOutputcache().removeIf((b) -> {
 					return b.number == nx;
-				});
+				});*/
 				ltc.setPeerCacheUsed(brc.cacheused);
 				}
 			}
 		}
 
 	}
-	public void submitDataBlock(KLALBBlock kb) throws InterruptedException {
+	public void submitDataBlock(KLALBBlock ks) throws InterruptedException {
+		submitDataBlock(ks,1);
+	}
+	public void submitDataBlock(KLALBBlock kb,int i) throws InterruptedException {
+		int ni=Math.min(i, remotetcps.size());
 			while(true) {
 				synchronized (remotetcps) {
-					Collections.sort(remotetcps, new Comparator<RemoteTCPConnection>() {
-						@Override
-						public int compare(RemoteTCPConnection o1, RemoteTCPConnection o2) {
-							if(o1.getDelay()>o2.getDelay()) {
-								return 1;
-						}else if(o1.getDelay()<o2.getDelay()){
-							return -1;
-						}else {
-							return 0;
-						}
-						}
-					});
-					//System.out.println(remotetcps);
 					for (Iterator<RemoteTCPConnection> iterator = remotetcps.iterator(); iterator.hasNext();) {
 						RemoteTCPConnection remoteTCPConnection = (RemoteTCPConnection) iterator.next();
 						Queue<KLALBBlock> bdq=remoteTCPConnection.getSendDeque();
+						if(bdq.size()<1) {
+							bdq.add(kb);
+							synchronized (bdq) {
+							bdq.notifyAll();
+							}
+							ni--;
+							if(ni<=0)
+							return;
+						}
+					}
+				}
+				Thread.sleep(1);
+			}
+			
+	}
+	public void submitReDataBlock(KLALBBlock kb) throws InterruptedException {
+			while(true) {
+				synchronized (remotetcps) {
+					for (Iterator<RemoteTCPConnection> iterator = remotetcps.iterator(); iterator.hasNext();) {
+						RemoteTCPConnection remoteTCPConnection = (RemoteTCPConnection) iterator.next();
+						Queue<KLALBBlock> bdq=remoteTCPConnection.getReSendDeque();
 						if(bdq.size()<1) {
 							bdq.add(kb);
 							synchronized (bdq) {
@@ -252,20 +311,54 @@ public class KLALBCore {
 			}
 		}
 	}
-
+	public void submitAckBlockNoDelay(KLALBBlock kb,int limit) {
+		synchronized (remotetcps) {
+			int coun=0;
+			for (Iterator<RemoteTCPConnection> iterator = remotetcps.iterator(); iterator.hasNext();) {
+				if(coun>=limit) {
+					return;
+				}
+				RemoteTCPConnection rmt = (RemoteTCPConnection) iterator.next();
+				Queue<KLALBBlock> sq = rmt.getNDSendDeque();
+				sq.offer(kb);
+				synchronized (sq) {
+				sq.notifyAll();
+				}
+				coun++;
+			}
+		}
+	}
 	public void putDataBlock(LocalTCPConnection tc, KLALBBlock ks) throws InterruptedException {
-		while (!tc.getOutputcache().isEmpty()&&(tc.getOutputcount()-tc.getOutputcache().get(0).number>cacheblocks)) {
+		while (true) {
+			boolean b;
+			synchronized (ks) {
+				b=!tc.getOutputcache().isEmpty()&&(tc.getOutputcount()-tc.getOutputcache().get(0).number>cacheblocks);
+			}
+			if(!b) {
+				break;
+			}
 			Thread.sleep(1);
 		}
 		ks.sendtime=System.nanoTime();
+		ks.sendtimeForRTT=ks.sendtime;
+		//System.out.println(tc.getOutputcache().size());
+		if(ks.data==null) {
+			submitDataBlock(ks);
+		}else {
+		if(ks.data.length<Consts.BLOCKSIZE/2) {
+			submitDataBlock(ks,2);
+		}else {
+			submitDataBlock(ks);
+		}
+		}
 		tc.getOutputcache().add(ks);
-		submitDataBlock(ks);
-		if(tc.getPeerCacheUsed()>cacheblocks) {
-		while(tc.getPeerCacheUsed()>cacheblocks) {
+		int peerCacheUsed = tc.getPeerCacheUsed();
+		if(peerCacheUsed>cacheblocks) {
+		while( tc.getPeerCacheUsed()>cacheblocks) {
 			Thread.sleep(1);
 		}
-		}else if(tc.getPeerCacheUsed()>cacheblocks/2){
-			Thread.sleep(tc.getPeerCacheUsed()-cacheblocks/2);
+		}else if(peerCacheUsed>cacheblocks/2){
+			Thread.sleep(peerCacheUsed-cacheblocks/2);
 		}
 	}
 
@@ -276,15 +369,15 @@ public class KLALBCore {
 			for (int i = 0; i < l.size(); i++) {
 				KLALBBlock block=l.get(i);
 				long timex = (System.nanoTime() - block.sendtime) / 1000000;
-				if (timex > 200*(1<<Math.min(8,block.resend))+1000*i) {
-					submitDataBlock(block);
+				if ((i==0&&timex>100)||timex > (RTO/1000000)*(1<<Math.min(8,block.resend))+2000*i) {
+					submitReDataBlock(block);
 					block.sendtime = System.nanoTime();
 					block.resend++;
 					if(block.resend>=Consts.MAX_RESEND) {
 						l.remove(i);
 						i--;
 					}
-				System.out.println("超时重传："+block);
+				System.out.println("超时重传："+block+" 位置："+i);
 				}
 			}
 		}
diff --git a/src/org/kne/cloud/network/klalb/RemoteTCPConnection.java b/src/org/kne/cloud/network/klalb/RemoteTCPConnection.java
index 7e934e0..074abab 100644
--- a/src/org/kne/cloud/network/klalb/RemoteTCPConnection.java
+++ b/src/org/kne/cloud/network/klalb/RemoteTCPConnection.java
@@ -10,6 +10,7 @@ import java.io.OutputStream;
 import java.io.StreamCorruptedException;
 import java.net.Socket;
 import java.net.UnknownHostException;
+import java.util.Arrays;
 import java.util.Queue;
 import java.util.Random;
 import java.util.UUID;
@@ -18,8 +19,11 @@ import java.util.concurrent.BlockingDeque;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.LinkedBlockingDeque;
+import java.util.zip.DataFormatException;
+import java.util.zip.Deflater;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
+import java.util.zip.Inflater;
 
 import org.kne.cloud.network.mport.IPPort;
 import org.kne.io.AddInputStream;
@@ -40,6 +44,8 @@ public class RemoteTCPConnection extends TCPConnection {
 	
 	}
 	protected void initIOs() throws IOException {
+		connect.setTrafficClass(0x10);
+		connect.setTcpNoDelay(true);
 		OutputStream outm=null;
 		InputStream inm=null;
 		if(tunnel!=null) {
@@ -58,8 +64,8 @@ public class RemoteTCPConnection extends TCPConnection {
 		}
 		
 		
-		dout = new DataOutputStream(new BufferedOutputStream(outm,Consts.BLOCKSIZE*2+1) );
-		din = new DataInputStream(new BufferedInputStream(inm,Consts.BLOCKSIZE*2+1));
+		dout = new DataOutputStream(outm);
+		din = new DataInputStream(inm);
 	
 	}
 	@Override
@@ -133,8 +139,17 @@ public class RemoteTCPConnection extends TCPConnection {
 			if (data.data == null) {
 				dout.writeShort(-1);
 			} else {
-				dout.writeShort(data.data.length);
-				dout.write(data.data);
+				Deflater def = new Deflater(Deflater.BEST_COMPRESSION, true);
+		        def.setInput(data.data);
+		        def.finish();
+		        byte[] b = new byte[(int)(data.data.length * 1.1D) + 64];
+		        int nsize = def.deflate(b);
+		        def.end();
+		        this.dout.writeShort(nsize);
+		        this.dout.write(b, 0, nsize);
+				/*dout.writeShort(data.data.length);
+				dout.write(data.data);*/
+				//System.out.println(Arrays.toString(data.data));
 			}
 		} else if (data.number == 0) {
 			dout.write(data.command);
@@ -165,7 +180,7 @@ public class RemoteTCPConnection extends TCPConnection {
 		//System.out.println("SEND:" + data);
 	}
 
-	public KLALBBlock receiveBlock() throws IOException {
+	public KLALBBlock receiveBlock() throws IOException, DataFormatException {
 		KLALBBlock klb = new KLALBBlock();
 		klb.cuid = din.readInt();
 		klb.number = din.readLong();
@@ -176,7 +191,18 @@ public class RemoteTCPConnection extends TCPConnection {
 			} else {
 				byte[] d = new byte[size];
 				din.readFully(d);
-				klb.data = d;
+				 Inflater in = new Inflater(true);
+			        in.setInput(d);
+			        byte[] b = new byte[8192];
+			        int nsize = in.inflate(b);
+			        in.end();
+			        if (nsize == b.length) {
+			          klb.data = b;
+			        } else {
+			          klb.data = Arrays.copyOf(b, nsize);
+			        } 
+				//System.out.println(Arrays.toString(d));
+				//klb.data = d;
 			}
 		} else if (klb.number == 0) {
 			klb.command = din.read();
@@ -222,7 +248,11 @@ public class RemoteTCPConnection extends TCPConnection {
 	public Queue<KLALBBlock> getNDSendDeque() {
 		return NDsendDeque;
 	}
-	
+	private Queue<KLALBBlock> resendDeque = new ConcurrentLinkedQueue<>();
+
+	public Queue<KLALBBlock> getReSendDeque() {
+		return sendDeque;
+	}
 	private Queue<KLALBBlock> sendDeque = new ConcurrentLinkedQueue<>();
 
 	public Queue<KLALBBlock> getSendDeque() {
diff --git a/src/org/kne/cloud/network/klalb/Tunnel.java b/src/org/kne/cloud/network/klalb/Tunnel.java
index 548234e..5b11281 100644
--- a/src/org/kne/cloud/network/klalb/Tunnel.java
+++ b/src/org/kne/cloud/network/klalb/Tunnel.java
@@ -138,7 +138,7 @@ public class Tunnel{
 				
 				
 				try {
-					p = Runtime.getRuntime().exec("./frpc/frpc_windows_386.exe",null,f);
+					p = Runtime.getRuntime().exec("./frpc/frpc_windows_amd64.exe",null,f);
 					
 					
 				BufferedReader brd=new BufferedReader(new InputStreamReader( p.getInputStream()));
diff --git a/src/org/kne/debug/TimeDebugger.java b/src/org/kne/debug/TimeDebugger.java
new file mode 100644
index 0000000..c9f3a79
--- /dev/null
+++ b/src/org/kne/debug/TimeDebugger.java
@@ -0,0 +1,25 @@
+package org.kne.debug;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Map;
+
+public class TimeDebugger {
+	Map<String,Long> l=new Hashtable<String,Long>();
+	long tmp=-1;
+	public void putTime(String name){
+		
+		long v=System.currentTimeMillis();
+		if(tmp==-1){
+			l.put(name,  0l);
+		}else{
+			l.put(name,  v-tmp);
+		}
+		tmp=v;
+	}
+	public void print(){
+		System.err.println(l+"(ms)");
+	}
+}
diff --git a/src/org/kne/io/Compress.java b/src/org/kne/io/Compress.java
new file mode 100644
index 0000000..98703cc
--- /dev/null
+++ b/src/org/kne/io/Compress.java
@@ -0,0 +1,188 @@
+package org.kne.io;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.zip.DataFormatException;
+import java.util.zip.Deflater;
+import java.util.zip.Inflater;
+import org.kne.debug.TimeDebugger;
+
+public class Compress {
+	static int n=0;
+	public static ThreadPoolExecutor exf=(ThreadPoolExecutor) Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()*2, new ThreadFactory() {
+		
+		@Override
+		public Thread newThread(Runnable r) {
+			Thread t=new Thread(r,"Compress #"+(n++));
+			t.setDaemon(true);
+			return t;
+		}
+	});
+		
+				
+
+	public static  Data compress(Data b) {
+		
+		Deflater def=new Deflater(Deflater.BEST_COMPRESSION, true);
+		def.setInput(b.b,b.off,b.len);
+		def.finish();
+		byte[]bo=new byte[(int) (b.len*1.1)+64];
+		int vp=def.deflate(bo,4,bo.length-4);
+		
+		def.end();
+		int v=b.len;
+		bo[0]=(byte) ((v >>> 24) & 0xFF);
+        bo[1]=(byte) ((v >>> 16) & 0xFF);
+        bo[2]=(byte) ((v >>>  8) & 0xFF);
+        bo[3]=(byte) ((v >>>  0) & 0xFF);
+		return new Data(bo,0,vp+4);
+	}
+public static Data uncompress(Data b) throws IOException, DataFormatException {
+	if(b.len<4){
+		throw new EOFException("!!");
+	}
+	int ch1 =b.b[b.off+0]&0xff;
+    int ch2 = b.b[b.off+1]&0xff;
+    int ch3 =b. b[b.off+2]&0xff;
+    int ch4 =b.b[b.off+3]&0xff;
+   
+    int zix= ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + (ch4 << 0));
+
+			Inflater inf=new Inflater(true);
+		inf.setInput(b.b, b.off+4, b.len-4);
+		byte[]d=new byte[zix];
+		int l=inf.inflate(d);
+		inf.end();
+		
+		return new Data(d,0,l);
+	}
+private static class compresstask extends Task{
+	volatile Data input,output;
+	
+	public compresstask(Data input) {
+		super();
+		this.input = input;
+	}
+
+	public Data getOutput() {
+		return output;
+	}
+
+	@Override
+	protected void runTask() {
+		output=compress(input);
+	}
+	
+}
+public static void mulcomp(DataOutputStream dos,byte[]in, TimeDebugger dbg) throws IOException {
+	ArrayList<Task> l=new ArrayList();
+	int count =4;
+	int sze=in.length/count;
+	int y=in.length%count;
+
+	for (int i = 0; i < count; i++) {
+		Task t=new compresstask(new Data(in,i*sze,sze));
+		exf.execute(t);
+		l.add(t);
+	}
+	Data tmp=null;
+	if(y>0) {
+	tmp=compress(new Data(in,count*sze,y));
+	}
+	dbg.putTime("compress");
+	dos.writeInt(l.size()+(tmp==null?0:1));
+	for (int i = 0; i < l.size(); i++) {
+		compresstask n=(compresstask) l.get(i);
+		n.waitfortask();
+		Data g=n.getOutput();
+		dos.writeInt(g.len);
+		dos.write(g.b, g.off, g.len);
+
+	}
+	
+	
+	if(tmp!=null) {
+	dos.writeInt(tmp.len);
+	dos.write(tmp.b, tmp.off, tmp.len);
+	}
+}
+private static class uncompresstask extends Task{
+	volatile Data input,output;
+	
+	public uncompresstask(Data input) {
+		super();
+		this.input = input;
+	}
+
+	public Data getOutput() {
+		return output;
+	}
+
+	@Override
+	protected void runTask() {
+		try {
+			output=uncompress(input);
+		} catch (IOException e) {
+			// TODO �Զ����ɵ� catch ��
+			e.printStackTrace();
+		} catch (DataFormatException e) {
+			// TODO �Զ����ɵ� catch ��
+			e.printStackTrace();
+		}
+	}
+	
+}
+public static byte[] muluncomp(DataInputStream dis,TimeDebugger dbg) throws IOException, DataFormatException {
+	ArrayList<Task> l=new ArrayList();
+	ByteArrayOutputStream bod=new ByteArrayOutputStream(1024);
+	int bc=dis.readInt();
+	for(int x=0;x<bc;x++) {
+		int s=dis.readInt();
+		byte []input=new byte[s];
+		int offset = 0;
+	    int numRead = 0;
+	    while (offset < input.length
+	    && (numRead = dis.read(input, offset, input.length - offset)) >= 0) {
+	        offset += numRead;
+	    }
+	    Task tsk=new uncompresstask(new Data(input,0,input.length));
+	    exf.execute(tsk);
+	    l.add(tsk);
+	    
+	    //Data rez=uncompress(new Data(input,0,input.length));
+	   
+	}    dbg.putTime("read");
+	for (int i = 0; i < l.size(); i++) {
+		uncompresstask uct=(uncompresstask) l.get(i);
+		uct.waitfortask();
+		Data rez=uct.getOutput();
+		 bod.write(rez.b,rez.off,rez.len);
+	}
+
+	
+	//rez.b.length=rez.off;
+	return bod.toByteArray();
+}
+	public static void main(String[] args) throws IOException, DataFormatException {
+		String s="jjjjjjjjjjjjjjjjjjhjhjhm";
+		byte[] ib=s.getBytes();
+		Data i=new Data(ib,0,ib.length);
+		Data o=compress(i);
+		Data d=uncompress(o);
+		System.out.println(o.len+" "+d.len);
+		//for (int j = d.off; j < d.off+d.len; j++) {
+			System.out.println(new String(d.b,d.off,d.len));
+		//}
+	}
+
+}
diff --git a/src/org/kne/io/Data.java b/src/org/kne/io/Data.java
new file mode 100644
index 0000000..59f7ad3
--- /dev/null
+++ b/src/org/kne/io/Data.java
@@ -0,0 +1,13 @@
+package org.kne.io;
+
+public class Data {
+	byte[]b;
+	int off,len;
+	public Data(byte[] b, int off, int len) {
+		super();
+		this.b = b;
+		this.off = off;
+		this.len = len;
+	}
+	
+}
diff --git a/src/org/kne/io/Task.java b/src/org/kne/io/Task.java
new file mode 100644
index 0000000..827debb
--- /dev/null
+++ b/src/org/kne/io/Task.java
@@ -0,0 +1,31 @@
+package org.kne.io;
+
+public abstract class Task implements Runnable{
+	private volatile boolean begin=false,end=false;
+	private volatile Object t=new Object();
+	@Override
+	public void run() {
+		begin=true;
+		runTask();
+		
+		end=true;
+		if(t!=null) {
+			synchronized(t) {
+			t.notifyAll();
+			}
+		}
+	}
+	public void waitfortask() {
+		synchronized(t){
+		
+		try {
+			while(!end) {
+			t.wait(1);
+			}
+		} catch (InterruptedException e) {
+		
+			e.printStackTrace();
+		}}
+	}
+	protected abstract void runTask();
+}