small changes to AdvancedChatserver.ino plus add operator!=

Author: ntruchsess

UIPClient.h

@@ -64,6 +64,7 @@ class UIPClient : public Client {
   uint8_t connected();
   operator bool();
   virtual bool operator==(const EthernetClient&);
+  virtual bool operator!=(const EthernetClient& rhs) { return !this->operator==(rhs); };
   virtual uint16_t localPort();
   virtual IPAddress remoteIP();
   virtual uint16_t remotePort();

examples/AdvancedChatServer/AdvancedChatServer.ino

@@ -69,33 +69,33 @@ void loop() {
       for (byte i=0;i<4;i++) {
         if (!clients[i] && clients[i]!=client) {
           clients[i] = client;
+          // clead out the input buffer:
+          client.flush();
+          // clead out the input buffer:
+          client.flush();
+          Serial.println("We have a new client");
+          client.println("Hello, client!");
+          client.print("my IP: ");
+          client.println(Ethernet.localIP());
+          client.print("my port: ");
+          client.println(client.localPort());
+          client.print("your IP: ");
+          client.println(client.remoteIP());
+          client.print("your port: ");
+          client.println(client.remotePort());
           break;
         }
       }
-
-      // clead out the input buffer:
-      client.flush();
-      Serial.println("We have a new client");
-      client.println("Hello, client!");
-      client.print("my IP: ");
-      client.println(Ethernet.localIP());
-      client.print("my port: ");
-      client.println(client.localPort());
-      client.print("your IP: ");
-      client.println(client.remoteIP());
-      client.print("your port: ");
-      client.println(client.remotePort());
     }
 
     if (client.available() > 0) {
       // read the bytes incoming from the client:
       char thisChar = client.read();
       // echo the bytes back to all other connected clients:
       for (byte i=0;i<4;i++) {
-        if (!clients[i] || (clients[i]==client)) {
-          continue;
+        if (clients[i] && clients[i]!=client) {
+          clients[i].write(thisChar);
         }
-        clients[i].write(thisChar);
       }
       // echo the bytes to the server as well:
       Serial.write(thisChar);