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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package sdm_lab1;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Alina
 */
public class ServerThread extends Thread {
    Socket socket;
    ArrayList<ServerThread> st;
    DataInputStream in = null;
    DataOutputStream out = null;
    ServerThread(Socket socket, ArrayList<ServerThread> st) {
        this.socket = socket;
        this.st = st;
        try {
            in = new DataInputStream(new BufferedInputStream(socket
                    .getInputStream()));
        } catch (IOException ex) {
            Logger.getLogger(ServerThread.class.getName()).log(Level.SEVERE, null, ex);
        }
        try {
            out = new DataOutputStream(new BufferedOutputStream(socket
                    .getOutputStream()));
        } catch (IOException ex) {
            Logger.getLogger(ServerThread.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    public void run(){
         String incoming="";
            while (socket.isConnected()) {
             try {
                incoming = in.readUTF();
             } catch (IOException ex) {
                 Logger.getLogger(ServerThread.class.getName()).log(Level.SEVERE, null, ex);
             }
            for(ServerThread s:st)
                s.signal(incoming);


            }
    }
    public void signal(String m){
        try {
            out.writeUTF(m);
        } catch (IOException ex) {
            Logger.getLogger(ServerThread.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package sdm_lab1;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;

/**
 *
 * @author Alina
 */
public class MainServer {
    public static void main(String[] args) {
        DataInputStream in = null;
        DataOutputStream out = null;
        Socket socket = null;
        ServerSocket serverSocket = null;
        try {
        ArrayList <ServerThread> sts = new ArrayList<ServerThread>();
        serverSocket = new ServerSocket(2999, 0, InetAddress.getByName("localhost"));
        while(true) {
            socket = serverSocket.accept();
            ServerThread st = new ServerThread(socket, sts);
            sts.add(st);
            st.start();
        }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                out.close();
                in.close();
                socket.close();
                serverSocket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}