Connection.java
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package pad.prac2;
import java.io.IOException;
public class Connection extends Thread
{
private MySocket socket;
private Server serv;
private boolean sleep, kill;
public Connection(Server s)
{
serv = s;
kill = false;
sleep = true;
}
public void awake()
{
synchronized(this)
{
sleep = false;
this.notify();
}
}
public void finish()
{
kill = true;
if(sleep)
{
sleep = false;
notify();
}
socket.close();
}
public void setSock(MySocket s)
{
socket = s;
}
public void sendMessage(String message) throws IOException
{
socket.sendMsg(message);
}
public void run()
{
while(!kill)
{
while(sleep)
{
try
{
synchronized(this)
{
wait();
}
}
catch (InterruptedException e)
{
e.printStackTrace();
}
}
if(!kill)
{
String str;
try
{
str = socket.recvMsg();
while(str.contains(" "))
{
socket.sendMsg("CHATNICKINVALID");
str = socket.recvMsg();
}
while(serv.isOnline(str))
{
socket.sendMsg("CHATNICKEXIST");
str = socket.recvMsg();
}
socket.sendMsg("CHATOK");
serv.addToChatroom(this, str);
}
catch (IOException e)
{
if(!kill)
{
System.out.println("TCP: Communication with client failed while entering chatroom");
sleep = true;
serv.finishWorker(this);
}
continue;
}
while(true)
{
try
{
str = "";
str = socket.recvMsg();
if(str.equals("/disconnect"))
{
socket.sendMsg("DISC_OK");
System.out.println(serv.getNickname(this) + " disconnected");
break;
}
else if(str.equals("/exit"))
{
socket.sendMsg("EXIT_OK");
System.out.println(serv.getNickname(this) + " disconnected");
break;
}
else if(str.equals("/who"))
{
socket.sendMsg(serv.listOnline());
}
else if(str.startsWith("@"))
{
try
{
if(!str.contains(" "))
{
serv.sendTo(this,str.substring(1),"");
}
else
{
serv.sendTo(this,str.substring(1,str.indexOf(' ')),str.substring(str.indexOf(' ')+1));
}
}
catch(ChatException cE)
{
socket.sendMsg(cE.getMessage());
}
}
else if(str.equals(""))
{
System.out.println(serv.getNickname(this) + " disconnected");
break;
}
else
{
System.out.println("FROM " + serv.getNickname(this) + ": " + str);
serv.sendToChat(this,str);
}
}
catch(IOException ioExc)
{
System.out.println("TCP: Error writing to socket");
System.out.println(serv.getNickname(this) + " disconnected");
break;
}
}
sleep = true;
}
serv.finishWorker(this);
}
}
}