public Form2()
{
InitializeComponent();
Packet paquet = Packet.Receive(Form1.stream);
if (paquet is TopicsPacket)
{
TopicsPacket bp = (TopicsPacket)paquet;
foreach (string s in bp.topics)
{
comboBox1.Items.Add(s);
}
}
CreateTopicWorker.RunWorkerAsync();
}
private void CreateTopicWorker_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
try
{
while (true)
{
Packet paquet = Packet.Receive(Form1.stream);
Debug.WriteLine("packet received");
if (paquet is CreateChatRoomValidationPacket)
{
CreateChatRoomValidationPacket cc = (CreateChatRoomValidationPacket)paquet;
if (cc.value)
{
MessageBox.Show("Topic created", "Success", MessageBoxButtons.OK);
}
else
{
MessageBox.Show("Topic was not created", "Error", MessageBoxButtons.OK);
}
}
if (paquet is MessageBroadcastPacket)
{
MessageBroadcastPacket mb = (MessageBroadcastPacket)paquet;
Debug.WriteLine(mb.message);
foreach (Form3 f3 in _forms)
{
if (f3.Text.Equals(mb.chatroom))
{
f3.displayMessage(mb.user, mb.message);
}
}
}
if (paquet is ListChatterPacket)
{
ListChatterPacket lcp = (ListChatterPacket)paquet;
foreach (Form3 f3 in _forms)
{
if (f3.Text.Equals(lcp.chatRoom))
{
f3.updateChatters(lcp.chatters);
}
}
}
if (paquet is TopicsPacket)
{
TopicsPacket bp = (TopicsPacket)paquet;
comboBox1.Items.Clear();
foreach (string s in bp.topics)
{
comboBox1.Items.Add(s);
}
}
}
}
catch (Exception ex)
{
//MessageBox.Show("Disconnected","");
}
}
private void Auth()
{
AuthentificationManager am = new AuthentificationManager();
TopicsManager tm = new TopicsManager();
try
{
while (true)
{
/* Vérification de la connexion avec le client */
if (!(clientSocket.Connected))
{
ctThread.Abort();
}
/* Nous avons créé chatLibrary.dll qui nous apporte les différents paquets utilisables par notre application*/
Packet packet = null;
try
{
packet = Packet.Receive(ns);
}
catch (SerializationException e)
{
Console.WriteLine(e);
}
/* Packet de login */
if (packet is AuthPacket)
{
AuthPacket ap = (AuthPacket)packet;
Console.Write("[AUTHENTIFICATION]User " + ap.login + " attempting to connect");
// flag contient le code d'erreur
int flag = am.authentify(ap.login, ap.password);
// packet de callback
LoginPacket bp = new LoginPacket(flag);
if (flag == 1)
{
/* User logged in */
Console.WriteLine(" SUCCESS");
User u = new User(ap.login, ap.password, ns);
u.chatter = new Chatter(ap.login);
ChatServer.addUser(u);
Packet.Send(bp, ns);
/* Displaying topics to user */
Console.Write("[SERVER]Sending topics : ");
Console.Write("[");
for (int i = 0; i < tm.getRooms().Count; ++i)
{
if (i == tm.getRooms().Count - 1)
{
Console.Write(tm.getRooms()[i]);
}
else
{
Console.Write(tm.getRooms()[i] + ", ");
}
}
Console.WriteLine("]");
// Envoie des chatrooms disponibles
TopicsPacket tp = new TopicsPacket(tm.getRooms());
Packet.Send(tp, ns);
}
else
{
Console.WriteLine("[AUTHENTIFICATION]Error, unable to connect the user " + ap.login + ", error code : " + flag);
Packet.Send(bp, ns);
this.Auth();
}
}
/* Paquet d'inscription d'un nouvel utilisateur */
if (packet is SubscribePacket)
{
SubscribePacket sb = (SubscribePacket)packet;
SubscribeValidation sv = new SubscribeValidation(am.addUser(sb.login, sb.password));
if (sv.value)
{
Console.WriteLine("[REGISTER]User " + sb.login + " successfully created");
}
else
{
Console.WriteLine("[REGISTER]Error during " + sb.login + " account creation");
}
Packet.Send(sv, ns);
}
/* Paquet pour rejoindre une chatroom */
if (packet is JoinChatRoomPacket)
{
JoinChatRoomPacket jcp = (JoinChatRoomPacket)packet;
if (tm.getRooms().Contains(jcp.chatRoom))
{
bool flag = tm.joinTopic(jcp.chatRoom, ChatServer.getUser(jcp.user));
if (flag)
{
Console.WriteLine("[TOPICS]User " + jcp.user + " joined chatroom : " + jcp.chatRoom);
}
else
{
Console.WriteLine("[TOPICS]Cannont connect user to the chatroom, user : "******" is already in the chatroom : " + jcp.chatRoom);
}
Chatroom ct = (Chatroom)tm.getRoom(jcp.chatRoom);
ListChatterPacket lcp = new ListChatterPacket(ct.getChatters(), jcp.chatRoom);
Thread.Sleep(500);
foreach (User u in ct.chatters)
{
Console.WriteLine("[TOPICS]Sending user list from " + jcp.chatRoom + " to user " + u.login);
Packet.Send(lcp, u.ns);
}
}
}
/* Paquet pour créer une chatroom */
if (packet is CreateChatRoomPacket)
{
bool flag;
CreateChatRoomValidationPacket ccvp;
CreateChatRoomPacket ccp = (CreateChatRoomPacket)packet;
if (!tm.topics.ContainsKey(ccp.chatRoom))
{
flag = tm.createTopic(ccp.chatRoom);
if (flag)
{
Console.WriteLine("[TOPICS]User " + ccp.user + " created chatroom : " + ccp.chatRoom);
TopicsPacket tp = new TopicsPacket(tm.getRooms());
foreach (User u in ChatServer.chattingUsers)
{
Packet.Send(tp, u.ns);
}
}
/* Broadcast la création de room avec affichage de message */
ccvp = new CreateChatRoomValidationPacket(flag, ccp.chatRoom);
}
else
{
flag = false;
Console.WriteLine("[TOPICS]Chatroom creation failed, chatroom : " + ccp.chatRoom + " already exists");
ccvp = new CreateChatRoomValidationPacket(flag, ccp.chatRoom);
}
Packet.Send(ccvp, ns);
}
/* Paquet d'envoie de message */
if (packet is MessagePacket)
{
MessagePacket mp = (MessagePacket)packet;
Console.WriteLine("[CHATROOM]Posting message : [" + mp.message + "] in chatroom :" + mp.chatroom + " by user : "******"[CHATROOM]User : "******" is leaving chatroom : " + lcrp.chatRoom);
/* Il faut lock ici pour éviter un problème dans la liste des utilisateurs
* Nous evitons ainsi d'envoyer un message à un utilisateur déjà déconnecté */
lock (thisLock)
{
cible.quit(ChatServer.getUser(lcrp.user));
Chatroom ct = (Chatroom)tm.getRoom(lcrp.chatRoom);
ListChatterPacket lcp = new ListChatterPacket(ct.getChatters(), lcrp.chatRoom);
Thread.Sleep(1000);
foreach (User u in ct.chatters)
{
Console.WriteLine("[TOPICS]Sending user list from " + lcrp.chatRoom + " to user " + u.login);
Packet.Send(lcp, u.ns);
}
}
}
/* Paquet de déconnexion d'un utilisateur */
if (packet is DisconnectPacket)
{
DisconnectPacket dp = (DisconnectPacket)packet;
Thread.Sleep(200);
User u = ChatServer.getUser(dp.user);
u.ns.Close();
ChatServer.removeUser(u);
this.clientSocket.Close();
Console.WriteLine("[SERVER]A user disconnected properly");
}
}
}
catch (IOException e)
{
Console.WriteLine("[SERVER]A user crashed");
ctThread.Join();
}
catch (NullReferenceException ex)
{
Console.WriteLine("[TOPICS]Impossible de retirer le client, celui-ci n'existe pas dans la chatroom");
Console.WriteLine(ex);
}
}
