added comparison operator to WiFiUdp class

Author: Rocketct

libraries/WiFiS3/src/WiFiUdp.cpp

@@ -249,7 +249,12 @@ void WiFiUDP::flush() {
       modem.write(string(PROMPT(_UDPFLUSH)),res, "%s%d\r\n" , CMD_WRITE(_UDPFLUSH), _sock);
    }
 } 
- 
+
+bool WiFiUDP::operator==(const WiFiUDP& whs)
+{
+   return _sock == whs._sock;
+}
+
 /* -------------------------------------------------------------------------- */
 IPAddress WiFiUDP::remoteIP() {
 /* -------------------------------------------------------------------------- */    

libraries/WiFiS3/src/WiFiUdp.h

@@ -82,6 +82,11 @@ class WiFiUDP : public UDP {
   // Return the next byte from the current packet without moving on to the next byte
   virtual int peek();
   virtual void flush();	// Finish reading the current packet
+  virtual bool operator==(const WiFiUDP&);
+  virtual bool operator!=(const WiFiUDP& whs)
+  {
+    return !this->operator==(whs);
+  };
 
   // Return the IP address of the host who sent the current incoming packet
   virtual IPAddress remoteIP();