i2ptunnel: Fix streamr session registration

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelTask.java

@@ -60,6 +60,14 @@ public abstract class I2PTunnelTask extends EventDispatcherImpl {
 
     public abstract boolean close(boolean forced);
 
+    /**
+     *  For tasks that don't call I2PTunnel.addSession() directly
+     *  @since 0.8.13
+     */
+    public void connected(I2PSession session) {
+        getTunnel().addSession(session);
+    }
+
     public void disconnected(I2PSession session) {
         routerDisconnected();
         getTunnel().removeSession(session);

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/udpTunnel/I2PTunnelUDPClientBase.java

@@ -107,6 +107,7 @@ import net.i2p.util.Log;
         try {
             ByteArrayInputStream in = new ByteArrayInputStream(key);
             _session = client.createSession(in, tunnel.getClientOptions());
+            connected(_session);
         } catch(Exception exc) {
             throw new RuntimeException("failed to create session", exc);
         }

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/udpTunnel/I2PTunnelUDPServerBase.java

@@ -103,6 +103,7 @@ public class I2PTunnelUDPServerBase extends I2PTunnelTask implements Source, Sin
 
         try {
             _session = client.createSession(privData, getTunnel().getClientOptions());
+            connected(_session);
         } catch(I2PSessionException exc) {
             throw new RuntimeException("failed to create session", exc);
         }