private void Form3_FormClosing(object sender, FormClosingEventArgs e) { LeaveChatRoomPacket lc = new LeaveChatRoomPacket(this.Text, Form1.login); try { Packet.Send(lc, Form1.stream); } catch (Exception ex) { DialogResult result = MessageBox.Show("Server is disconnected, application is going to close", "Error", MessageBoxButtons.OK); if (result == DialogResult.OK) { Application.Exit(); } } Thread.Sleep(100); }
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); } }