[gnoduino] examples: add back dropped method

[Lucian Langa <lucilanga src gnome org>]

commit 57fd6f6ab2212be6c686311940d1b751337f7814
Author: Pascal de Bruijn <pmjdebruijn pcode nl>
Date:   Thu Aug 14 19:06:37 2014 +0200

    examples: add back dropped method

 .../BarometricPressureWebServer.ino                |   45 ++++++++++++++++++++
 1 files changed, 45 insertions(+), 0 deletions(-)
---
diff --git a/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino 
b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino
index 1ee00c3..697b98e 100644
--- a/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino
+++ b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino
@@ -130,6 +130,51 @@ void getData() {
   Serial.println(" Pa");
 }
 
+void listenForEthernetClients() {
+  // listen for incoming clients
+  EthernetClient client = server.available();
+  if (client) {
+    Serial.println("Got a client");
+    // an http request ends with a blank line
+    boolean currentLineIsBlank = true;
+    while (client.connected()) {
+      if (client.available()) {
+        char c = client.read();
+        // if you've gotten to the end of the line (received a newline
+        // character) and the line is blank, the http request has ended,
+        // so you can send a reply
+        if (c == '\n' && currentLineIsBlank) {
+          // send a standard http response header
+          client.println("HTTP/1.1 200 OK");
+          client.println("Content-Type: text/html");
+          client.println();
+          // print the current readings, in HTML format:
+          client.print("Temperature: ");
+          client.print(temperature);
+          client.print(" degrees C");
+          client.println("<br />");
+          client.print("Pressure: " + String(pressure));
+          client.print(" Pa");
+          client.println("<br />");
+          break;
+        }
+        if (c == '\n') {
+          // you're starting a new line
+          currentLineIsBlank = true;
+        }
+        else if (c != '\r') {
+          // you've gotten a character on the current line
+          currentLineIsBlank = false;
+        }
+      }
+    }
+    // give the web browser time to receive the data
+    delay(1);
+    // close the connection:
+    client.stop();
+  }
+}
+
 void setup() {
   // start the SPI library:
   SPI.begin();