AdvancedChatServer to track up to 8 clients

Author: PaulStoffregen

examples/AdvancedChatServer/AdvancedChatServer.ino

@@ -37,7 +37,7 @@ IPAddress subnet(255, 255, 0, 0);
 // telnet defaults to port 23
 EthernetServer server(23);
 
-EthernetClient clients[4];
+EthernetClient clients[8];
 
 void setup() {
   // You can use Ethernet.init(pin) to configure the CS pin
@@ -83,7 +83,7 @@ void loop() {
   if (client) {
 
     boolean newClient = true;
-    for (byte i=0; i < 4; i++) {
+    for (byte i=0; i < 8; i++) {
       //check whether this client refers to the same socket as one of the existing instances:
       if (clients[i] == client) {
         newClient = false;
@@ -93,7 +93,7 @@ void loop() {
 
     if (newClient) {
       //check which of the existing clients can be overridden:
-      for (byte i=0; i < 4; i++) {
+      for (byte i=0; i < 8; i++) {
         if (!clients[i] && clients[i] != client) {
           clients[i] = client;
           // clear out the input buffer:
@@ -111,7 +111,7 @@ void loop() {
       // 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++) {
+      for (byte i=0; i < 8; i++) {
         if (clients[i] && (clients[i] != client)) {
           clients[i].write(thisChar);
         }
@@ -120,7 +120,7 @@ void loop() {
       Serial.write(thisChar);
     }
   }
-  for (byte i=0; i < 4 ; i++) {
+  for (byte i=0; i < 8 ; i++) {
     if (!(clients[i].connected())) {
       // client.stop() invalidates the internal socket-descriptor, so next use of == will allways return false;
       clients[i].stop();