Multiple STUN Servers Support

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@7647 b35dd754-fafc-0310-a699-88a17e54d16e

src/i18n/wildfire_i18n_cs_CZ.properties

@@ -2124,5 +2124,14 @@ stun.settings.secondaryaddress = Sekund\u00e1rn\u00ed adresa
 stun.settings.primaryport = Prim\u00e1rn\u00ed port
 stun.settings.secondaryport = Sekund\u00e1rn\u00ed
 stun.settings.enabled = Povoleno
-stun.settings.change = Zm\u011bna 
+stun.settings.change = Zm\u011bna\
+
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 index.certificate-warning=Found RSA certificate that is not valid for the server domain.
\ No newline at end of file

src/i18n/wildfire_i18n_de.properties

@@ -2043,6 +2043,14 @@ stun.settings.primaryport = Primary Port Value
 stun.settings.secondaryport = Secondary Port Value
 stun.settings.enabled = Enabled
 stun.settings.change = Change
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 admin.console.restarting=Restarting admin console...
 global.click_test=Click to test...
 global.day=day

src/i18n/wildfire_i18n_en.properties

@@ -2340,7 +2340,15 @@ stun.settings.secondaryaddress = Secondary Address
 stun.settings.primaryport = Primary Port Value
 stun.settings.secondaryport = Secondary Port Value
 stun.settings.enabled = Enabled
+stun.settings.localenabled = Local Server Enabled
 stun.settings.change = Change
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
 
 # Import signed certificate page
 

src/i18n/wildfire_i18n_es.properties

@@ -2123,4 +2123,12 @@ stun.settings.primaryport = Puerto Primario
 stun.settings.secondaryport = Puerto Secundario
 stun.settings.enabled = Habilitado
 stun.settings.change = Cambiar
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 index.certificate-warning=Se ha encontrado un certificado RSA que no es v\u00e1lido para el dominio del servidor.
\ No newline at end of file

src/i18n/wildfire_i18n_fr.properties

@@ -1710,6 +1710,14 @@ stun.settings.primaryport = Primary Port Value
 stun.settings.secondaryport = Secondary Port Value
 stun.settings.enabled = Enabled
 stun.settings.change = Change
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 httpbind.settings.enabled.legend=Service Enabled
 httpbind.settings.info=HTTP binding allows clients using the HTTP protocol to connect to Wildfire.
 httpbind.settings.label_disable=Disabled

src/i18n/wildfire_i18n_nl.properties

@@ -2050,6 +2050,14 @@ stun.settings.primaryport = Primary Port Value
 stun.settings.secondaryport = Secondary Port Value
 stun.settings.enabled = Enabled
 stun.settings.change = Change
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 admin.console.restarting=Restarting admin console...
 global.click_test=Click to test...
 global.day=day

src/i18n/wildfire_i18n_pl_PL.properties

@@ -2025,6 +2025,14 @@ stun.settings.primaryport = Primary Port Value
 stun.settings.secondaryport = Secondary Port Value
 stun.settings.enabled = Enabled
 stun.settings.change = Change
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 global.click_test=Click to test...
 global.day=day
 global.days=days

src/i18n/wildfire_i18n_pt_BR.properties

@@ -2123,4 +2123,12 @@ stun.settings.primaryport = Porta Prim\u00e1ria
 stun.settings.secondaryport = Porta Secund\u00e1ria
 stun.settings.enabled = Habilitado
 stun.settings.change = Modificar
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete
+
 setup.admin.settings.username-error=Nenhum usu\u00e1rio informado, ou o usu\u00e1rio informado n\u00e3o foi encontrado.
\ No newline at end of file

src/i18n/wildfire_i18n_zh_CN.properties

@@ -1903,4 +1903,12 @@ stun.settings.secondaryaddress = \u4e8c\u7ea7\u5730\u5740
 stun.settings.primaryport = \u4e00\u7ea7\u7aef\u53e3\u503c
 stun.settings.secondaryport = \u4e8c\u7ea7\u7aef\u53e3\u503c
 stun.settings.enabled = \u542f\u7528
-stun.settings.change = \u53d8\u66f4 
+stun.settings.change = \u53d8\u66f4\
+
+stun.external.title = External Stun Servers
+stun.external.comment = Server will also send the following address(es) to client.
+stun.external.server = Server
+stun.external.port = Port
+stun.external.error = You must inform Server and Port.
+stun.external.add = Add
+stun.external.delete = Delete

src/java/org/jivesoftware/wildfire/stun/STUNService.java

@@ -50,14 +50,14 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
     private StunServer stunServer = null;
     private String name = "stun";
     private boolean enabled = false;
+    private boolean localEnabled = false;
 
     private String primaryAddress;
     private String secondaryAddress;
     private int primaryPort = 3478;
     private int secondaryPort = 3479;
 
-    private String externalServerAddress = null;
-    private int externalServerPort = 3478;
+    private List<StunServerAddress> externalServers = null;
 
     public static final String NAMESPACE = "google:jingleinfo";
 
@@ -72,11 +72,11 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
      * Load config using JiveGlobals
      */
     private void loadSTUNConfig() {
+
         primaryAddress = JiveGlobals.getProperty("stun.address.primary");
         secondaryAddress = JiveGlobals.getProperty("stun.address.secondary");
 
-        externalServerAddress = JiveGlobals.getProperty("stun.external.address");
-        externalServerAddress = JiveGlobals.getProperty("stun.external.port");
+        externalServers = getStunServerAddresses(JiveGlobals.getProperty("stun.external.addresses"));
 
         if (primaryAddress == null || primaryAddress.equals(""))
             primaryAddress = JiveGlobals.getProperty("xmpp.domain",
@@ -99,6 +99,7 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
         }
 
         this.enabled = JiveGlobals.getBooleanProperty("stun.enabled", true);
+        this.localEnabled = JiveGlobals.getBooleanProperty("stun.local.enabled", true);
 
     }
 
@@ -118,13 +119,15 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
 
     public void start() {
         if (isEnabled()) {
-            startServer();
+            startService();
+            if (isLocalEnabled())
+                startLocalServer();
         } else {
             XMPPServer.getInstance().getIQDiscoItemsHandler().removeServerItemsProvider(this);
         }
     }
 
-    public void startServer() {
+    public void startLocalServer() {
         try {
 
             InetAddress primary = InetAddress.getByName(primaryAddress);
@@ -136,34 +139,37 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
                 stunServer.start();
 
             } else
-                setEnabled(false);
+                setLocalEnabled(false);
 
         } catch (SocketException e) {
             Log.error("Disabling STUN server", e);
-            setEnabled(false);
+            setLocalEnabled(false);
         } catch (UnknownHostException e) {
             Log.error("Disabling STUN server", e);
-            setEnabled(false);
+            setLocalEnabled(false);
+        }
     }
 
-        if (stunServer != null) {
+    public void startService() {
         routingTable.addRoute(getAddress(), this);
         XMPPServer server = XMPPServer.getInstance();
         server.getIQDiscoItemsHandler().addServerItemsProvider(this);
     }
-    }
 
     public void stop() {
         super.stop();
         this.enabled = false;
-        if (stunServer != null)
-            stunServer.stop();
-        stunServer = null;
         XMPPServer.getInstance().getIQDiscoItemsHandler().removeComponentItem(getAddress().toString());
         if (routingTable != null)
             routingTable.removeRoute(getAddress());
     }
 
+    public void stopLocal() {
+        if (stunServer != null)
+            stunServer.stop();
+        stunServer = null;
+    }
+
     public String getName() {
         return serviceName;
     }
@@ -210,10 +216,19 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
             return;
         } else if (NAMESPACE.equals(namespace)) {
 
+            if (isEnabled()) {
                 Element stun = childElementCopy.addElement("stun");
+                if (isLocalEnabled()) {
                     Element server = stun.addElement("server");
                     server.addAttribute("host", primaryAddress);
                     server.addAttribute("udp", String.valueOf(primaryPort));
+                }
+                for (StunServerAddress stunServerAddress : externalServers) {
+                    Element server = stun.addElement("server");
+                    server.addAttribute("host", stunServerAddress.getServer());
+                    server.addAttribute("udp", stunServerAddress.getPort());
+                }
+            }
 
         } else {
             // Answer an error since the server can't handle the requested namespace
@@ -245,6 +260,31 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
         return new JID(null, getServiceDomain(), null);
     }
 
+    public List<StunServerAddress> getExternalServers() {
+        return externalServers;
+    }
+
+    public void addExternalServer(String server, String port) {
+        externalServers.add(new StunServerAddress(server, port));
+
+        String property = "";
+        for (StunServerAddress stunServerAddress : externalServers) {
+            if (!property.equals("")) property += ";";
+            property += stunServerAddress.getServer() + ":" + stunServerAddress.getPort();
+        }
+        JiveGlobals.setProperty("stun.external.addresses", property);
+    }
+
+    public void removeExternalServer(int index) {
+        externalServers.remove(index);
+        String property = "";
+        for (StunServerAddress stunServerAddress : externalServers) {
+            if (!property.equals("")) property += ";";
+            property += stunServerAddress.getServer() + ":" + stunServerAddress.getPort();
+        }
+        JiveGlobals.setProperty("stun.external.addresses", property);
+    }
+
     public Iterator<DiscoServerItem> getItems() {
         List<DiscoServerItem> items = new ArrayList<DiscoServerItem>();
         if (!isEnabled()) {
@@ -313,20 +353,46 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
         return enabled;
     }
 
+    /**
+     * Get if the local STUN Server is enabled.
+     *
+     * @return enabled
+     */
+    public boolean isLocalEnabled() {
+        return localEnabled;
+    }
+
     /**
      * Set the service enable status.
      *
      * @param enabled      boolean to enable or disable
+     * @param localEnabled local Server enable or disable
      */
-    public void setEnabled(boolean enabled) {
+    public void setEnabled(boolean enabled, boolean localEnabled) {
         this.enabled = enabled;
+        this.localEnabled = localEnabled;
         if (isEnabled()) {
-            startServer();
+            startService();
+            if (isLocalEnabled())
+                startLocalServer();
         } else {
             stop();
         }
     }
 
+    /**
+     * Set the Local STUN Server enable status.
+     *
+     * @param enabled boolean to enable or disable
+     */
+    public void setLocalEnabled(boolean enabled) {
+        this.localEnabled = enabled;
+        if (isLocalEnabled())
+            startLocalServer();
+        else
+            stopLocal();
+    }
+
     /**
      * Get the secondary Port used by the STUN server
      *
@@ -378,7 +444,62 @@ public class STUNService extends BasicModule implements ServerItemsProvider, Rou
                 }
             }
         } catch (Exception e) {
+            // Do Nothing
         }
         return list;
     }
+
+    /**
+     * Provides easy abstract to store STUN Server Addresses and Ports
+     */
+    public class StunServerAddress {
+        private String server;
+        private String port;
+
+        public StunServerAddress(String server, String port) {
+            this.server = server;
+            this.port = port;
+        }
+
+        /**
+         * Get the Host Address
+         *
+         * @return Host Address
+         */
+        public String getServer() {
+            return server;
+        }
+
+        /**
+         * Get STUN port
+         *
+         * @return the Server Port
+         */
+        public String getPort() {
+            return port;
+        }
+    }
+
+    /**
+     * Abstraction method used to convert a String into a STUN Server Address List
+     *
+     * @param addresses the String representation of Server Addresses with their respective Ports (server1:port1;server2:port2)
+     * @return STUN Server Addresses List
+     */
+    public List<StunServerAddress> getStunServerAddresses(String addresses) {
+
+        List<StunServerAddress> list = new ArrayList<StunServerAddress>();
+
+        if (addresses == null || addresses.equals("")) return list;
+
+        String servers[] = addresses.split(";");
+
+        for (String server : servers) {
+            String address[] = server.split(":");
+            list.add(new StunServerAddress(address[0], address[1]));
+        }
+
+        return list;
+    }
+
 }