Ajout choix de l'interface pour l'écoute multicast

app/build.gradle

@@ -35,3 +35,8 @@ tasks.named('test') {
     // Use JUnit Platform for unit tests.
     useJUnitPlatform()
 }
+
+
+run {
+    standardInput = System.in
+}

app/src/main/java/lightcontainer/App.java

@@ -36,7 +36,7 @@ public class App {
         // Initialisation du dispatcher et des servers
         FileFrontEnd ffe = new FileFrontEnd(clientRep, storeRep, protocolRep);
         new UnicastServerListener(ffe, clientRep, protocolRep, repositoryStorage, repositoryStorage.getUnicastPort());
-        new MulticastServerListener(ffe, storeRep, protocolRep, repositoryStorage.getMulticastIp(), repositoryStorage.getMulticastPort());
+        new MulticastServerListener(ffe, storeRep, protocolRep, repositoryStorage.getMulticastIp(), repositoryStorage.getMulticastPort(), repositoryStorage.getNetworkInterface());
 
         // close repo et client et server.
 

app/src/main/java/lightcontainer/domains/server/MulticastServerListener.java

@@ -6,6 +6,7 @@ import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.reader.HelloRule;
 import lightcontainer.repository.FileFrontEnd;
+import lightcontainer.utils.NetChooser;
 
 import java.io.IOException;
 import java.net.*;
@@ -25,6 +26,7 @@ public class MulticastServerListener implements Runnable {
     // Variable
     private final String multicast_address;
     private final int multicast_port;
+    private final String network_interface;
     private FileFrontEnd ffe;
     private final MulticastSPR repository;
     private final ProtocolRepository protocolRep;
@@ -33,12 +35,13 @@ public class MulticastServerListener implements Runnable {
     private MulticastSocket listener;
 
     // Constructor
-    public MulticastServerListener(FileFrontEnd ffe, MulticastSPR repository, ProtocolRepository protocolRep, String multicast_address, int multicast_port) {
+    public MulticastServerListener(FileFrontEnd ffe, MulticastSPR repository, ProtocolRepository protocolRep, String multicast_address, int multicast_port, String network_interface) {
         this.ffe = ffe;
         this.repository = repository;
         this.protocolRep = protocolRep;
         this.multicast_address = multicast_address;
         this.multicast_port = multicast_port;
+        this.network_interface = network_interface;
         repository.setServerListener(this);
     }
 
@@ -54,6 +57,9 @@ public class MulticastServerListener implements Runnable {
         try {
             // Create a new listening socket
             this.listener = new MulticastSocket(this.multicast_port);
+
+            this.selectInterface();
+
             // Create an identifier for the multicast group on the specified ip
             InetAddress listener_group = InetAddress.getByName(this.multicast_address);
             // Creation of a packet for the information received
@@ -85,6 +91,23 @@ public class MulticastServerListener implements Runnable {
         }
     }
 
+    /**
+     * Permet de choisir l'interface réseau d'écoute en Multicast
+     */
+    private void selectInterface() {
+        try {
+            this.listener.setNetworkInterface(NetworkInterface.getByName(network_interface));
+        } catch (SocketException| NullPointerException e) {
+            NetChooser netChooser = new NetChooser();
+            try {
+                this.listener.setNetworkInterface(netChooser.requestInterface());
+            } catch (SocketException socketException) {
+                socketException.printStackTrace();
+                this.stop();
+            }
+        }
+    }
+
     /**
      * Closes the MulticastSocket connection and aborts the listening and infinite listening loop.
      *

app/src/main/java/lightcontainer/storage/Repository.java

@@ -158,4 +158,8 @@ public class Repository {
     public List<String> getStringifiedFilesOf(String login) {
         return this.appData.getStringifiedFilesOf(login);
     }
+
+    public String getNetworkInterface() {
+        return this.appData.getAppConfig().getNetworkInterface();
+    }
 }

app/src/main/java/lightcontainer/utils/NetChooser.java

@@ -13,6 +13,9 @@ public class NetChooser {
 
     public NetChooser() {
         loadInterfaces();
+    }
+
+    public NetworkInterface requestInterface() {
         Scanner console = new Scanner(System.in);
         String[] allInterfaceNames = getInterfaces();
         for(int index=0; index < allInterfaceNames.length; ++index) {
@@ -21,7 +24,7 @@ public class NetChooser {
         System.out.printf("Select your interface :");
         NetworkInterface selected = getInterfacesByIndex(console.nextInt());
         System.out.printf("Selected interface: %s\n", selected.getDisplayName());
-
+        return selected;
     }
 
     private void loadInterfaces() {