Biblioteca Java - Blame information for rev 3

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3 mihai 1 /*
2  * ServerSimplu.java
3  */
4  
5 /**
6  * Class created by @author Mihai HULEA at Feb 23, 2005.
7  *
8  * This class is part of the laborator2_serverclientmonofir project.
9  *
10  * 1. Modificati aplicatia sever astfel incat dupa tratarea unui client acesta sa revina
11  * in astepatare pentru a procesa noi cereri.
12  *
13  * 2. Modificati aplicatia server astefl incat aceasta sa accepte conexiuni sosite
14  * numai de pe anumite IP-uri.
15  */
16 package lab.scd.net.socket;
17 import java.io.*;
18 import java.net.InetAddress;
19 import java.net.InetSocketAddress;
20 import java.net.ServerSocket;
21 import java.net.Socket;
22 import java.net.SocketAddress;
23  
24  
25  
26 public class ServerSimplu {
27   public static void main(String[] args) throws IOException{
28  
29     ServerSocket ss=null;
30     Socket s=null;
31  
32     try{
33       String line="";
34       ss = new ServerSocket(1900); //creaza obiectul serversocket
35       System.out.println("Serverul asteapta conexiuni...");
36       s = ss.accept(); //incepe asteptarea de conexiuni  pe portul 1900
37       //in momentul in care un client s-a  conectat ss.accept() returneaza
38       //un obiect de tip Socket care identifica conexiunea
39  
40       //creaza fluxurile de intrare iesire
41       BufferedReader in = new BufferedReader(
42             new InputStreamReader(s.getInputStream()));
43  
44       PrintWriter out = new PrintWriter(
45             new BufferedWriter(new OutputStreamWriter(
46               s.getOutputStream())),true);
47  
48       //extrage adresa de ip si portul de pe care clientul s-a conectat
49       InetSocketAddress remoteadr = (InetSocketAddress)s.getRemoteSocketAddress();
50       String remotehost = remoteadr.getHostName();
51       int remoteport = remoteadr.getPort();
52  
53       System.out.println("Client nou conectat: "+remotehost+":"+remoteport);
54  
55       while(!line.equals("END")){
56         line = in.readLine(); //citeste datele de la client
57         System.out.println("Server a receptionat:"+line);
58         out.println("ECHO "+line); //trimite date la client
59         out.flush();
60       }
61  
62       System.out.println("Aplicatie server gata.");
63  
64     }catch(Exception e){e.printStackTrace();}
65      finally{
66       ss.close();
67       if(s!=null) s.close();
68      }
69   }
70 }