Aggiunto esercizio su stab-skeleton. Creato esercizio quindi con dns resolver, client -> stub -> skeleton -> server

2014-10-26 17:46:57 +01:00
parent 8db1dfaf28
commit 86f7477fca
13 changed files with 718 additions and 4 deletions
--- a/stub_skeleton/Skeleton.java
+++ b/stub_skeleton/Skeleton.java
@@ -0,0 +1,111 @@
+package stub_skeleton;
+
+import socket_test.test.Record;
+import socket_test.test.server_request_management;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.HashMap;
+import java.util.logging.Logger;
+
+/**
+ * Created with xgiovio.macbookair.
+ * User: xgiovio
+ * Date: 26/10/14
+ * Time: 15:21
+ */
+public class Skeleton implements Runnable{
+
+    private final int skeleton_server_port = 61000;
+    private final int dns_server_port = 60000;  // change this value if dns server port change
+
+    private static final Logger log = Logger.getLogger(socket_test.test.server.class.getName());
+
+     public Skeleton (Impiegato in_server_object , HashMap<String,Impiegato_Server_Object> in_database){
+
+                server_object = in_server_object;
+                database  = in_database;
+
+     }
+
+
+    @Override
+    public void run() {
+
+          contact_DNS();
+          wait_connections();
+
+    }
+
+    void contact_DNS (){
+
+
+
+        try {
+            Socket sock = new Socket("localhost", dns_server_port);   // connessione al server dns
+            savednssocket = sock;
+            log.info("Connessione a DNS");
+            ObjectOutputStream out = new ObjectOutputStream(sock.getOutputStream());
+            DNS_Record dns_record =  new DNS_Record("xserver", InetAddress.getLocalHost().getHostAddress(),skeleton_server_port);
+            out.writeObject(dns_record);
+            log.info("inviando dati al server dns");
+            sock.close();
+
+
+        } catch (IOException e) {
+            log.info("Impossibile contattare il server DNS");
+            //e.printStackTrace();
+        }
+        finally {
+            try { if (savednssocket != null)
+                    savednssocket.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+
+    }
+    void wait_connections(){
+
+        try {
+            ServerSocket open = new ServerSocket(skeleton_server_port);
+            serversocketsaved = open;
+            log.info("Aperto socket di ascolto su porta " + skeleton_server_port);
+
+            for(;true;){
+                Socket accept = open.accept();
+                log.info("Accettata richiesta");
+                Thread request_management_thread = new Thread(new Skeleton_Server_Request_Management(accept,database, (Impiegato_Server_Object) server_object));
+                log.info("Richiesta inoltrata a thread");
+                request_management_thread.start();
+                log.info("Waiting on port " + skeleton_server_port);
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        finally {
+            try {
+                if(serversocketsaved != null)
+                serversocketsaved.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+
+
+    }
+
+
+        private  Impiegato server_object = null;
+        final private  HashMap<String,Impiegato_Server_Object> database;
+        private Socket savednssocket = null;
+        private ServerSocket serversocketsaved= null;
+
+
+}