voip.rar_Over_voice over_voice over IP_voip_voip client server

import java.net.*; import java.io.*; import java.awt.*; import javax.swing.*; import java.awt.event.*; import java.util.*; import javax.sound.sampled.*; class LogFile { static PrintStream writer; static { try{writer=new PrintStream(new FileOutputStream("log.txt"));} catch(IOException ex){System.out.println(ex);} } public static void print(String obj) { writer.println(obj); } } class Mic implements Runnable { TargetDataLine tdl; public byte samples[]; DatagramPacket dp=null; DatagramSocket ds=null; Thread th=null; InetAddress rip; public Mic(DatagramSocket ds,InetAddress rip) { try { this.ds=ds; this.rip=rip; DataLine.Info dl=new DataLine.Info(TargetDataLine.class,getMicFormat()); tdl=(TargetDataLine)AudioSystem.getLine(dl); tdl.open(getMicFormat()); samples=new byte[8000]; tdl.start(); th=new Thread(this); th.start(); } catch(Exception e) { LogFile.print(e.toString()); System.exit(0); } } public byte[] read(int length) { try { tdl.read(samples,0,length); LogFile.print("Mic Read"); } catch(Exception ex) { LogFile.print("Mic read Error" +ex); } return samples; } public AudioFormat getMicFormat()throws Exception { AudioFormat af=new AudioFormat(8000.0F,8,1,false,true); return af; } public void run() { while (true) { byte data[]=read(8000); dp=new DatagramPacket(data,8000,rip,4569); try {ds.send(dp);Thread.sleep(500);} catch(InterruptedException ex){System.out.println(ex);} catch(IOException ex){System.out.println(ex);} } } public void close() { th.destroy(); tdl.close(); } } class Speaker implements Runnable { SourceDataLine sl=null; DatagramSocket ds=null; Thread th=null; public Speaker(DatagramSocket ds) { try { this.ds=ds; DataLine.Info dl=new DataLine.Info(SourceDataLine.class,getAudioFormat()); sl=(SourceDataLine)AudioSystem.getLine(dl); sl.open(getAudioFormat()); sl.start(); LogFile.print("Speaker :"+sl); th=new Thread(this); th.start(); } catch(Exception e) { LogFile.print("Speaker not open"); } } public void write(byte b[] ,int length) { try { sl.write(b,0,length); LogFile.print("Speaker Write"+ length); } catch(Exception ex) { LogFile.print("Speaker Write Errors" +ex); } } public void run() { while (true) { byte samples []=new byte[8000]; DatagramPacket dp=new DatagramPacket(samples,8000); try { ds.receive(dp);}catch(IOException ex){} write(samples,8000); try {Thread.sleep(500);}catch(InterruptedException ex){} } } public AudioFormat getAudioFormat()throws Exception { AudioFormat af=new AudioFormat(8000.0F,8,1,true,true); return af; } public void close() { th.destroy(); sl.close(); } } class Stream extends Thread { Socket cs=null; InputStream is=null; OutputStream os=null; String cmd,value; DatagramSocket ds=null; Mic mc;Speaker spk; InetAddress rip; Stream() { try{ rip=InetAddress.getByName("system2"); cs=new Socket(rip,4567); is=cs.getInputStream(); os=cs.getOutputStream(); }catch(Exception ex ){System.out.println(ex);} start(); } void dialno(String str) { byte b[]=new byte[50]; try { String str1="Dial="+str; b=str1.getBytes(); os.write(b); } catch(Exception e){} } public void close() { byte b[]=new byte[50]; try { mc.close();spk.close(); String str="Disconnect="+value; b=str.getBytes(); os.write(b);os.close(); is.close();cs.close(); } catch(Exception e){} } public void run() { while(true) { byte b[]=new byte[50]; try{ is.read(b); String str=new String(b); str=str.trim(); status(str.trim()); } catch(Exception e){} } } void status(String s) { StringTokenizer token=new StringTokenizer(s,"="); System.out.println(s); if(token.hasMoreTokens()) { cmd=token.nextToken(); value=token.nextToken(); if(cmd.equals("Dial")==true) { LogFile.print("Dialing to"+value); System.out.println("dialing"); } else if(cmd.equals("Disonnect")==true) { //mc.close();spk.close(); LogFile.print("Disconnect from"+value); } else if(cmd.equals("connect")==true) { System.out.println("connect"); try {ds=new DatagramSocket(4568);} catch(Exception ex) {LogFile.print("Datagram create Exception");} mc=new Mic(ds,rip); spk=new Speaker(ds); } } } } class Numkey extends JButton { int Width=50; int Height=50; String name; Numkey(String name) { this.name=name; } public void paint(Graphics g) { setPreferredSize(new Dimension(Width,Height)); setFont(new Font ("New Times Roman",Font.ITALIC+Font.BOLD,17)); setForeground(Color.BLUE); super.paint(g); g.drawString(name,20,30); } } class ActionButton extends JPanel implements ActionListener { JButton Dial,Dscnt; JTextField display; Numkey nk0,nk1,nk2,nk3,nk4,nk5,nk6, nk7,nk8,nk9,nk10,nk11; Stream x=null; ActionButton() { JPanel action= new JPanel(); action.setLayout(new GridLayout(1,2)); Dial=new JButton("DIAL"); action.add(Dial); Dial.addActionListener(this); Dial.setForeground(new Color(220,100,60)); Dscnt=new JButton("HANG UP"); action.add(Dscnt); Dscnt.addActionListener(this); Dscnt.setForeground(new Color(220,100,60)); JPanel dis=new JPanel(); dis.setLayout(new FlowLayout()); display=new JTextField(12); display.setForeground(Color.BLUE); display.setFont(new Font("New Times Roman",Font.ITALIC+Font.BOLD,15)); dis.add(display); setLayout(new BorderLayout()); add(dis,BorderLayout.NORTH); add(action,BorderLayout.SOUTH); add(new NumPanel(display),BorderLayout.CENTER); } public void actionPerformed(ActionEvent ae) { if (ae.getSource()==Dial) { if (x==null){ x=new Stream(); String str=display.getText(); x.dialno(str);} } if (ae.getSource()==Dscnt) { //x.close(); System.out.println("Closed"); System.exit(0); } } } class NumPanel extends JPanel implements ActionListener { Numkey nk0,nk1,nk2,nk3,nk4,nk5,nk6, nk7,nk8,nk9,nk10,nk11; JTextField dsp; public NumPanel(JTextField dsp) { this.dsp=dsp; setLayout(new GridLayout(4,3)); nk1=new Numkey("1"); nk1.addActionListener(this); add(nk1); nk2=new Numkey("2"); nk2.addActionListener(this); add(nk2); nk3=new Numkey("3"); nk3.addActionListener(this); add(nk3); nk4=new Numkey("4"); nk4.addActionListener(this); add(nk4); nk5=new Numkey("5"); nk5.addActionListener(this); add(nk5); nk6=new Numkey("6"); nk6.addActionListener(this); add(nk6); nk7=new Numkey("7"); nk7.addActionListener(this); add(nk7); nk8=new Numkey("8"); nk8.addActionListener(this); add(nk8); nk9=new Numkey("9"); nk9.addActionListener(this); add(nk9); nk10=new Numkey("*"); nk10.addActionListener(this); add(nk10); nk0=new Numkey("0"); nk0.addActionListener(this); add(nk0); nk11=new Numkey("