Chat/serveurUdp/serveurUdp/ChatMessage.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace ServeurUdp
+{
+    public enum Commande { 
+        POST, GET, HELP, QUIT, STOPSERVEUR, SUBSCRIBE, SUBSCRIBEv2, UNSUBSCRIBE
+    };
+
+    public enum CommandeType { REQUETE, REPONSE };
+
+    class ChatMessage
+    {
+        public const int bufferSize = 1500;
+        public const int pseudoSize = 20;
+        public const int messageSize = bufferSize - (pseudoSize+2);
+
+        public Commande commande;               // commande
+        public CommandeType commandeType;       // type (Requête/Réponse)
+        public String pseudo;
+        public int dataSize;                    // taille de la donnée
+        public String data;                     // données de la commande
+
+        public ChatMessage(Commande commande, CommandeType type, String data)
+        {
+            this.commande = commande;
+            this.commandeType = type;
+            this.dataSize = data.Length;
+            this.data = data;
+        }
+
+        public ChatMessage(Commande commande, CommandeType type, String pseudo, String data)
+        {
+            this.commande = commande;
+            this.commandeType = type;
+            this.pseudo = pseudo;
+            this.dataSize = data.Length;
+            this.data = data;
+        }
+
+        public ChatMessage(byte[] buffer)
+        {
+            this.commande = (Commande)buffer[0];
+            this.commandeType = (CommandeType)buffer[1];
+            this.pseudo = System.Text.Encoding.ASCII.GetString(buffer, 2, pseudoSize).TrimEnd('\0');
+            this.data = System.Text.Encoding.ASCII.GetString(buffer, pseudoSize+2, messageSize).TrimEnd('\0');
+            this.dataSize = data.Length;
+        }
+
+        public byte[] GetBytes()
+        {
+            byte[] Bytes = new byte[bufferSize];
+            Bytes[0] = (Byte)this.commande;
+            Bytes[1] = (Byte)this.commandeType;
+            Encoding.ASCII.GetBytes(pseudo, 0, pseudo.Length, Bytes, 2);
+            Encoding.ASCII.GetBytes(data, 0, data.Length, Bytes, 22);
+            return Bytes;
+        }
+
+        /**************
+         * METHODE AJOUTEE : retourne la commande.
+         * ********************/
+        public Commande GetCommande()
+        {
+            return this.commande;
+        }
+
+        public static byte[] GetBytes(Commande commande, CommandeType type, String pseudo,String data)
+        {
+            ChatMessage chatCommande = new ChatMessage(commande, type, pseudo,data);
+            return chatCommande.GetBytes();
+        }
+
+
+        public override string ToString()
+        {
+            return "[" + commande + "," + commandeType + ",\"" + pseudo + "\"," + dataSize + ",\"" + data + "\"]";
+        }
+
+    }
+}

Chat/serveurUdp/serveurUdp/ServeurUdp.cs

@@ -4,7 +4,7 @@ using System.Net.Sockets;
 using System.IO;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
+using System.Collections;
 
 namespace ServeurUdp
 {
@@ -12,6 +12,7 @@ namespace ServeurUdp
     {
         static void Main(string[] args)
         {
+            
 
             try
             {
@@ -23,27 +24,86 @@ namespace ServeurUdp
                     SocketType.Dgram,
                     ProtocolType.Udp);
 
+                string clientIP = "130.79.81.202";
+                int clientPort = 48532;
+
+
 
                 // Liaison de la socket au point de communication
                 serverSocket.Bind(new IPEndPoint(IPAddress.Any, 11111));
-
-                
+               
                 //************************************************************** Communications
                 Console.WriteLine("Attente d'une nouveau message...");
-
+                
                 // Reception message client
-                EndPoint clientEP = new IPEndPoint(IPAddress.Any, 0);
-                byte[] buffer = new byte[80];
-                int nBytes = serverSocket.ReceiveFrom(buffer, buffer.Length, SocketFlags.None, ref clientEP);
+                EndPoint clientEP = new IPEndPoint(/*IPAdress.Any*/IPAddress.Parse(clientIP), clientPort);
+
+                /*byte[] buffer = new byte[ChatMessage.bufferSize];
+                int nBytes = serverSocket.ReceiveFrom(buffer, buffer.Length, SocketFlags.None, ref clientEP);*/
+
+                ArrayList userSub = new ArrayList();
+                String message = "";
+                ChatMessage chatMess = null, cmReponse = null;
+                do
+                {
+                    byte[] buffer = new byte[ChatMessage.bufferSize];
+                    int nBytes = serverSocket.ReceiveFrom(buffer, buffer.Length, SocketFlags.None, ref clientEP);
+
+                    // Decodage du buffer de bytes en ASCII vers un string
+                    chatMess = new ChatMessage(buffer);
+                    
+                    Commande commandeCm = chatMess.GetCommande();
+                    switch(commandeCm)
+                    {
+                        case Commande.POST:
+                            message += chatMess+"\n";
+                            Console.WriteLine("CM recu : " + chatMess);
+
+                            cmReponse = chatMess;
+                            cmReponse.commandeType = CommandeType.REPONSE;
+                            foreach (EndPoint ep in userSub)
+                            {
+                                buffer = cmReponse.GetBytes();
+                                Console.WriteLine("CM envoyé : " + cmReponse);
+                                nBytes = serverSocket.SendTo(buffer, 0, buffer.Length, SocketFlags.None, clientEP);
+                            }
+                            break;
+
+                        case Commande.GET: 
+                            ChatMessage cmConcac = new ChatMessage(Commande.POST, CommandeType.REQUETE, "Maiko", message);
+                            cmReponse = cmConcac;
+                            break;
+                        case Commande.STOPSERVEUR:
+                            Console.WriteLine("CM recu : " + chatMess);
+
+                            cmReponse = chatMess;
+                            cmReponse.commandeType = CommandeType.REPONSE;
+                            break;
+                        case Commande.SUBSCRIBE:
+                            userSub.Add(clientEP);
+                            Console.WriteLine("CM recu : " + chatMess);
+
+                            cmReponse = chatMess;
+                            cmReponse.commandeType = CommandeType.REPONSE;
+                            break;
+                        case Commande.UNSUBSCRIBE:
+                            userSub.Remove(clientEP);
+                            Console.WriteLine("CM recu : " + chatMess);
+
+                            cmReponse = chatMess;
+                            cmReponse.commandeType = CommandeType.REPONSE;
+                            break;
+                    }
+
+                    buffer = cmReponse.GetBytes();
+                    Console.WriteLine("CM envoyé : " + cmReponse);
+                    nBytes = serverSocket.SendTo(buffer, 0, buffer.Length, SocketFlags.None, clientEP);
+                    
+
 
-                // Decodage du buffer de bytes en ASCII vers un string
-                String msg = System.Text.Encoding.ASCII.GetString(buffer, 0, nBytes);
 
-                Console.WriteLine("Nouveau message de "
-                    + clientEP
-                    + " (" + nBytes + " octets)"
-                    + ": \"" + msg + "\"");
 
+                } while (chatMess.commande != Commande.STOPSERVEUR);
 
                 //************************************************************** Conclusion
                 // Fermeture socket

Chat/serveurUdp/serveurUdp/bin/Debug/serveurUdp.vshost.exe.manifest

+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>

Chat/serveurUdp/serveurUdp/obj/x86/Debug/serveurUdp.csproj.CoreCompileInputs.cache

+134d674314af5161e35fd423fa0816def82c6f79

Chat/serveurUdp/serveurUdp/obj/x86/Debug/serveurUdp.csproj.FileListAbsolute.txt

+U:\Documents\DeuxiemeAnnee\S32\Projet\Chat\serveurUdp\serveurUdp\bin\Debug\serveurUdp.exe
+U:\Documents\DeuxiemeAnnee\S32\Projet\Chat\serveurUdp\serveurUdp\bin\Debug\serveurUdp.pdb
+U:\Documents\DeuxiemeAnnee\S32\Projet\Chat\serveurUdp\serveurUdp\obj\x86\Debug\serveurUdp.exe
+U:\Documents\DeuxiemeAnnee\S32\Projet\Chat\serveurUdp\serveurUdp\obj\x86\Debug\serveurUdp.pdb
+U:\Documents\DeuxiemeAnnee\S32\Projet\Chat\serveurUdp\serveurUdp\obj\x86\Debug\serveurUdp.csprojAssemblyReference.cache
+U:\Documents\DeuxiemeAnnee\S32\Projet\Chat\serveurUdp\serveurUdp\obj\x86\Debug\serveurUdp.csproj.CoreCompileInputs.cache

Chat/serveurUdp/serveurUdp/serveurUdp.csproj

@@ -43,6 +43,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="ChatMessage.cs" />
     <Compile Include="ServeurUdp.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>