VisClient/org/hfbk/vis/VisServer.java

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package org.hfbk.vis;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;

import org.hfbk.vis.source.Source;

public class VisServer extends Thread{

        final static int PORT=8888;
        
        static ServerSocket socket;
        
        Socket connection; 
        
        public VisServer(Socket connect) {
                this.connection=connect;
                start();
        }
        
        public void run() {
                try {
                        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                        PrintStream out=new PrintStream(connection.getOutputStream());
                        
                        String cmd=in.readLine();
                        String[] args=cmd.split(" ");
                        
                        if (args[0].equals("GET")){
                                String[] subargs=args[1].split("\\?");
                                String script=subargs[0];
                                if (script.equals("/graph.php")){
                                        handleSourceRequest("http://host"+args[1], out);
                                }                                       
                        }
                        
                        connection.close();
                        
                } catch (IOException e) {
                        throw new RuntimeException (e);
                }
        }
        
        void handleSourceRequest(String url, PrintStream out){
                Source source=Source.getSource(url);
                
                try {
                        source.join();
                } catch (InterruptedException e) {
                        throw new RuntimeException (e);
                }
                System.out.println("Haue "+url+" raus!");
                out.print("HTTP/1.0 200 OK\r\n");
                out.print("Content-type: text/html; charset=utf8\r\n");
                out.print("\r\n");
                source.graph.dump(out);         
        }
        
        public static void main(String[] args) throws IOException {
                
                socket=new ServerSocket(PORT); 
                System.out.println("Running.");
                while(true){
                        Socket connect=socket.accept();
                        System.out.println(connect.getInetAddress().toString()+" klingelt an.");
                        new VisServer(connect);                 
                }
        }
}

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