Add 'isConnected' method to 'NetworkConnection' in prepartion for use.

git-svn-id: svn+ssh://oldsvn/home/mlalondesvn/svn/cral@102 3ee9b42a-b53c-0410-a25e-f0b6218d5d5b

branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde

@@ -219,6 +219,7 @@ void Wiz810MjDevice::setMac(byte b0, byte b1, byte b2, byte b3, byte b4, byte b5
 
 
 // TODO: Make this 'NetworkServerConnection'? Or just 'ServerConnection'?
+// TODO: Pull one-line methods into class definition to allow inlining?
 class NetworkConnection { // Essentially a Socket wrapper
 
   public:
@@ -226,6 +227,8 @@ class NetworkConnection { // Essentially a Socket wrapper
 
     void listen(); // TODO: Return a useful value?
 
+    int isConnected();
+
   private:
     SOCKET _socket;
 };
@@ -244,6 +247,15 @@ void NetworkConnection::listen() { // TODO: Make private or protected?
   ::listen(_socket); // TODO: Use C++ namespaces for the driver functions?
 }
 
+int NetworkConnection::isConnected() {
+  /*
+
+   */
+ // TODO: If we want the 'Network*' classes to be generic we
+ //       would need to handle this differently:
+ return (getSn_SR(_socket) == SOCK_ESTABLISHED);
+}  
+
 /* ----------------------- */
 
 /* --  NetworkInterface -- */