www.pudn.com > net_root.rar > net.java

import java.io.*; 
import java.util.*; 
import java.lang.*; 
class graphdemo  
{ 
     public int[][] graph;  
     graphdemo() 
     { 
        graph= new int[11][17];  //graph[0] no value no define no worth 
        for (int i=0;i=count) break; 
         } 
        } 
   synchronized  void refresh(int count,int[][] buffer,int[] bufferown1)     
 { 
           m=0; 
       for(i=0;i=count)  break; 
           } 
         
        } 
   synchronized int[][] readfrom(int count,int n,int[][] buffer)  
       { 
           m=0; 
       for(i=0;i=count) break; 
          }   
         return buffer; 
         } 
 }  
 
class queuedemo 
{ 
    private int i,j; 
    public StringBuffer[] queue; 
    queuedemo() 
    {   
       queue= new StringBuffer[17];  
       for(i=1;i<17;i++) 
          queue[i]= new StringBuffer(50); 
              
     } 
    synchronized void refresh(int n,StringBuffer s) 
    {    
        queue[n].delete(0,49); 
        queue[n].append(s.toString()); 
       } 
    synchronized StringBuffer readfrom(int n) 
     { 
           return queue[n]; 
        } 
} 
class Routing extends Thread 
{   
   private boolean done=false; 
   private int  number,i,j,m,n,count=0; 
   private graphdemo g; 
   private bufferdemo b; 
   private queuedemo q; 
   private  int[][]  buffer= new int[5][18]; 
   private  int[]    bufferown1= new int[18]; 
   private  int[]    bufferown2= new int[18]; 
   private  StringBuffer queue= new StringBuffer(50); 
   Routing(int s,graphdemo g,bufferdemo b,queuedemo q) 
     { number=s; 
       this.g=g; 
       this.b=b; 
       this.q=q; 
      } 
    
   synchronized void check() 
 { 
    for(i=0;i<5;i++) 
      for(j=0;j<18;j++) 
         buffer[i][j]=20; // a number big enough 
    for(i=0;i<18;i++)  bufferown1[i]=bufferown2[i]=20; // a number big enough 
    i=number;//  the smallest number for a thread is 1 
    for(j=0;j=4) 
       { 
      String str=queue.substring(2,4); 
          Integer nn=new Integer(str); 
           n= nn.intValue(); 
      if(n>16) 
             System.out.println("The host does not exist!"); 
      else 
      { 
      if(bufferown2[n+1]==20) 
             System.out.println("Router"+number+": can not reach the destination!"); 
      else{ 
         q.refresh(bufferown2[n+1],queue); 
         System.out.println("Router"+number+":goto"+bufferown2[n+1]+"\n"); 
           } 
       }        
   } 
       queue.delete(0,49); 
       
  }                                                                                     
  public synchronized void printbufferown() 
    {        
          for(i=0;i<18;i++) 
               System.out.print(bufferown1[i]); 
          System.out.println(" "); 
           for(i=0;i<18;i++) 
               System.out.print(bufferown2[i]);  
           System.out.println(" ");    } 
   
 
   synchronized boolean ok() 
  { 
     return(!done); 
   } 
   public void run() 
  { 
    check(); 
    while(ok()) 
    { 
       computepath(); 
       sendpath(); 
       processqueue(); 
         try{ 
         Thread.sleep(100); 
            } 
          catch(InterruptedException e) 
                { 
                       e.printStackTrace(); 
                  } 
      } 
    } 
 }  
       
 
public class net 
{ 
  public static void main(String args[]) 
  { 
     int x,y=0; 
      
         
     graphdemo g= new graphdemo(); 
     bufferdemo b= new bufferdemo(); 
     queuedemo q= new queuedemo(); 
      
 
     Routing r1= new Routing(1,g,b,q); 
     Routing r2= new Routing(2,g,b,q); 
     Routing r3= new Routing(3,g,b,q); 
     Routing r4= new Routing(4,g,b,q); 
     Routing r5= new Routing(5,g,b,q); 
     Routing r6= new Routing(6,g,b,q); 
     Routing r7= new Routing(7,g,b,q); 
     Routing r8= new Routing(8,g,b,q); 
     Routing r9= new Routing(9,g,b,q); 
     Routing r10= new Routing(10,g,b,q); 
     r1.start(); 
     r2.start(); 
     r3.start(); 
     r4.start(); 
     r5.start(); 
     r6.start(); 
     r7.start(); 
     r8.start(); 
     r9.start(); 
     r10.start(); 
      
     for(int i=0;i<7;i++) 
     { 
       
       System.out.println("Printout refreshed Routing Table every 0.1 second(second0."+i+"):"); 
        
        for(x=0;x<40;x++) 
        {  
           for(y=0;y