From 57c941f4a936bc7d53a1af6bf00a33023817fdee Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Mon, 8 Sep 2008 20:05:31 +0000
Subject: [PATCH] Renaming ethernet library examples.

---
 .../chat_server.pde                           |  0
 .../{web_client => WebClient}/web_client.pde  |  0
 .../Ethernet/examples/WebServer/WebServer.pde | 59 +++++++++++++++++++
 .../examples/echo_server/echo_server.pde      | 53 -----------------
 4 files changed, 59 insertions(+), 53 deletions(-)
 rename libraries/Ethernet/examples/{chat_server => ChatServer}/chat_server.pde (100%)
 rename libraries/Ethernet/examples/{web_client => WebClient}/web_client.pde (100%)
 create mode 100644 libraries/Ethernet/examples/WebServer/WebServer.pde
 delete mode 100644 libraries/Ethernet/examples/echo_server/echo_server.pde

diff --git a/libraries/Ethernet/examples/chat_server/chat_server.pde b/libraries/Ethernet/examples/ChatServer/chat_server.pde
similarity index 100%
rename from libraries/Ethernet/examples/chat_server/chat_server.pde
rename to libraries/Ethernet/examples/ChatServer/chat_server.pde
diff --git a/libraries/Ethernet/examples/web_client/web_client.pde b/libraries/Ethernet/examples/WebClient/web_client.pde
similarity index 100%
rename from libraries/Ethernet/examples/web_client/web_client.pde
rename to libraries/Ethernet/examples/WebClient/web_client.pde
diff --git a/libraries/Ethernet/examples/WebServer/WebServer.pde b/libraries/Ethernet/examples/WebServer/WebServer.pde
new file mode 100644
index 0000000..c14860f
--- /dev/null
+++ b/libraries/Ethernet/examples/WebServer/WebServer.pde
@@ -0,0 +1,59 @@
+/*
+ * Web Server
+ *
+ * A simple web server that shows the value of the analog input pins.
+ */
+
+#include <Ethernet.h>
+
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+byte ip[] = { 10, 0, 0, 177 };
+
+Server server(80);
+
+void setup()
+{
+  Ethernet.begin(mac, ip);
+  server.begin();
+}
+
+void loop()
+{
+  Client client = server.available();
+  if (client) {
+    // an http request ends with a blank line
+    boolean current_line_is_blank = true;
+    while (client.connected()) {
+      if (client.available()) {
+        char c = client.read();
+        // if we've gotten to the end of the line (received a newline
+        // character) and the line is blank, the http request has ended,
+        // so we can send a reply
+        if (c == '\n' && current_line_is_blank) {
+          // send a standard http response header
+          client.println("HTTP/1.1 200 OK");
+          client.println("Content-Type: text/html");
+          client.println();
+          
+          // output the value of each analog input pin
+          for (int i = 0; i < 6; i++) {
+            client.print("analog input ");
+            client.print(i);
+            client.print(" is ");
+            client.print(analogRead(i));
+            client.println("<br />");
+          }
+          break;
+        }
+        if (c == '\n') {
+          // we're starting a new line
+          current_line_is_blank = true;
+        } else if (c != '\r') {
+          // we've gotten a character on the current line
+          current_line_is_blank = false;
+        }
+      }
+    }
+    client.stop();
+  }
+}
diff --git a/libraries/Ethernet/examples/echo_server/echo_server.pde b/libraries/Ethernet/examples/echo_server/echo_server.pde
deleted file mode 100644
index e16dcb9..0000000
--- a/libraries/Ethernet/examples/echo_server/echo_server.pde
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Echo Server
- *
- * Echoes back the headers of the web request.  Good for
- * learning how the HTTP protocol works.
- */
-
-#include <Ethernet.h>
-
-byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
-byte ip[] = { 10, 0, 0, 177 };
-
-Server server(80);
-
-void setup()
-{
-  Client client(255);
-  Ethernet.begin(mac, ip);
-  Serial.begin(9600);
-  server.begin();
-}
-
-void loop()
-{
-  char buf[512];
-  int i = 0;
-  Client client = server.available();
-  if (client) {
-    boolean previous_is_newline = false;
-    while (client.connected()) {
-      if (client.available()) {
-        char c = client.read();
-        if (c == '\n' && previous_is_newline) {
-          buf[i] = 0;
-          client.println("HTTP/1.1 200 OK");
-          client.println("Content-Type: text/html");
-          client.println();
-          client.println("<pre>");
-          client.println(buf);
-          client.println("</pre>");
-          break;
-        }
-        if (i < 511)
-          buf[i++] = c;
-        if (c == '\n')
-          previous_is_newline = true;
-        else if (c != '\r')
-          previous_is_newline = false;
-      }
-    }
-    client.stop();
-  }
-}