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public class Serveur
{
private static int port = 1000;
private ServerSocket server;
private Socket client;
private String fileName, line, connection;
private String article = ".\\Files\\articles\\";
private boolean validUser = false;
private static Student student;
private ObjectInputStream ois;
private ObjectOutputStream oos;
private Map<String, ServerProcess> map = new HashMap<String, ServerProcess>();
private static int number_unknown = 1;
private ThreadGroup tg = new ThreadGroup("Process_Client");
public Serveur()
{
try
{
server = new ServerSocket(port);
map.put("unknown", null);
while(true)
{
// wait for client connection
client = server.accept();
ois = new ObjectInputStream(client.getInputStream());
oos = new ObjectOutputStream(client.getOutputStream());
connection = ois.readObject().toString();
// check if user name is not already used
if((map.get(connection) != null) && (connection.compareTo("unknown") != 0))
{
oos.writeObject("username already used.");
}
else
{
validUser = false;
// Search user name in users' file
validUser = searchUser(connection);
// Create a thread for this user
newThread(validUser);
}
}
}
catch(Exception e)
{
System.out.println(e);
}
}
private boolean searchUser(String user)
{
boolean fileExistence = false;
try
{
// Vérification client
}
catch(Exception e)
{
if(fileExistence == false)
System.out.println("User's file not found.");
else
return false;
}
return false;
}
private void newThread(boolean valid)
{
try
{
// Give local time
Date actualDate = new Date();
SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");
// Send answer
String welcome = dateFormat.format(actualDate) + ", " + connection + " welcome on 3CT201 server.";
oos.writeObject(welcome);
// Send student object if valid == true, else send "none" answer
if(valid == true)
{
oos.writeObject("student");
oos.writeObject(student);
ServerProcess requet = new ServerProcess(client, student, ois, oos, map, tg);
requet.start();
map.put(connection, requet);
}
else
{
connection = "unknown" + number_unknown;
oos.writeObject("none");
ServerProcess requet = new ServerProcess(client, student, ois, oos, map, tg);
requet.start();
map.put(connection, requet);
}
}
catch(Exception e)
{
System.out.println(e);
}
}
public static void main(String[] args )
{
try
{
// Vérification argument plus instancie l'objet Server
}
catch (Exception e)
{
e.printStackTrace();
}
}
} |
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