public void run(){
ConsoleHelper.writeMessage("socketaddress"+socket.getRemoteSocketAddress());
Connection con=new Connection(socket);
//SocketAddress ad=con.getRemoteSocketAddress();
//ConsoleHelper.writeMessage("socketaddress"+ad);
//System.out.println("socketaddress"+ad);
String newClient="";
try{
newClient=serverHandshake(con);
}catch(ClassNotFoundException ee){ConsoleHelper.writeMessage("io er");
}catch( IOException e){
ConsoleHelper.writeMessage("io er");
}finally{
try{
con.close();
}catch(IOException e){ConsoleHelper.writeMessage("class n");}
}
if(newClient==null || newClient.isEmpty())return;
if(!newClient.isEmpty())sendBroadcastMessage(new Message(MessageType.USER_ADDED,newClient));
try{ notifyUsers(con,newClient);
serverMainLoop(con,newClient);
}catch(ClassNotFoundException e){
ConsoleHelper.writeMessage("io error in run"+newClient);
}
catch(IOException ee){
ConsoleHelper.writeMessage("class not found ex in run"+newClient);
}
finally{
try{
con.close();
}catch(IOException e){ConsoleHelper.writeMessage("class n");}
}
if(newClient!=null && !newClient.isEmpty()){
try{
connectionMap.remove(newClient);
}catch(Exception e){ConsoleHelper.writeMessage("class not found ex in run"+newClient);}
sendBroadcastMessage(new Message(MessageType.USER_REMOVED,newClient));
}
ConsoleHelper.writeMessage("disconnected with "+newClient);
}
package com.javarush.task.task30.task3008;
import java.net.*;
import java.io.*;
import java.util.concurrent.*;
import java.util.*;
public class Server{
private static Map<String, Connection>connectionMap=new ConcurrentHashMap();
public static void sendBroadcastMessage(Message message){
for(Map.Entry<String, Connection> en:connectionMap.entrySet()){
Connection con = en.getValue();
try{
con.send(message);
}catch(IOException e){
ConsoleHelper.writeMessage("could not send a message");
}
}
}
private static class Handler extends Thread{
private Socket socket;
public void run(){
ConsoleHelper.writeMessage("socketaddress"+socket.getRemoteSocketAddress());
Connection con=new Connection(socket);
//SocketAddress ad=con.getRemoteSocketAddress();
//ConsoleHelper.writeMessage("socketaddress"+ad);
//System.out.println("socketaddress"+ad);
String newClient="";
try{
newClient=serverHandshake(con);
}catch(ClassNotFoundException ee){ConsoleHelper.writeMessage("io er");
}catch( IOException e){
ConsoleHelper.writeMessage("io er");
}finally{
try{
con.close();
}catch(IOException e){ConsoleHelper.writeMessage("class n");}
}
if(newClient==null || newClient.isEmpty())return;
if(!newClient.isEmpty())sendBroadcastMessage(new Message(MessageType.USER_ADDED,newClient));
try{ notifyUsers(con,newClient);
serverMainLoop(con,newClient);
}catch(ClassNotFoundException e){
ConsoleHelper.writeMessage("io error in run"+newClient);
}
catch(IOException ee){
ConsoleHelper.writeMessage("class not found ex in run"+newClient);
}
finally{
try{
con.close();
}catch(IOException e){ConsoleHelper.writeMessage("class n");}
}
if(newClient!=null && !newClient.isEmpty()){
try{
connectionMap.remove(newClient);
}catch(Exception e){ConsoleHelper.writeMessage("class not found ex in run"+newClient);}
sendBroadcastMessage(new Message(MessageType.USER_REMOVED,newClient));
}
ConsoleHelper.writeMessage("disconnected with "+newClient);
}
private void serverMainLoop(Connection connection,String userName)throws IOException,ClassNotFoundException{
int count=0;
while(true){
//if(count>15)break;else count++;
Message mes=connection.receive();
Message newmes=null;
if(mes.getType()==MessageType.TEXT){
String text=userName+": "+mes.getData();
newmes=new Message(MessageType.TEXT,text);
sendBroadcastMessage(newmes);
}else ConsoleHelper.writeMessage("servermain received message in not TEXT");
}
}
private void notifyUsers(Connection connection,String userName)throws IOException{
for(Map.Entry<String,Connection> co:connectionMap.entrySet()){
String clientname=co.getKey();
if(clientname.equalsIgnoreCase(userName))continue;
Message mes=new Message(MessageType.USER_ADDED,clientname);
connection.send(mes);
}
}
private String serverHandshake(Connection connection)throws IOException,ClassNotFoundException{
int count=0;
String name="";
while(true){
if(count>15){break;}
count++;
connection.send(new Message(MessageType.NAME_REQUEST));
Message mes=connection.receive();
if(mes.getType()==MessageType.USER_NAME){
name=mes.getData();
}
if(name.isEmpty()){continue;}
if(!name.isEmpty()){
//for(Map.Entry<String,Connection> en:connectionMap.entrySet()){
if(!connectionMap.containsKey(name)){
connectionMap.put(name,connection);
}else continue;
connection.send(new Message(MessageType.NAME_ACCEPTED));
return name;
}
}//true
return "";
}
public Handler(Socket socket){
this.socket=socket;
}
}
public static void main(String[]args)throws IOException{
//ConsoleHelper ch=new ConsoleHelper();
int port=ConsoleHelper.readInt();
ServerSocket sersock=null;
//try{//}(ServerSocket sersock2=new ServerSocket(port)){
sersock=new ServerSocket(port);
//}catch(IOException e){}
ConsoleHelper.writeMessage("server is running");
Socket so=null;
try{int loop=0;
while(loop<20){
loop++;
so=sersock.accept();
Handler h=new Handler(so);
h.start();
}
}catch(IOException e){}
finally{
if(so!=null){
//try{
so.close();
//}catch(IOException e){}
}sersock.close();
}
}
}