updated version. Now with there is an API key. And it works :D

ITS_Open_direct/APIKey_template.h

@@ -0,0 +1,5 @@
+// rename this file to "APIKey.h" and fill in a real key!
+
+String thingtweetAPIKey = "myThingspeakKey";
+String serverAPIKey = "myserverAPIKey";
+

ITS_Open_direct/ITS_Open_direct.ino

@@ -26,32 +26,14 @@ Example sketches from Arduino team, Ethernet by Adrian McEwen
 
 #include <SPI.h>
 #include <Ethernet.h>
-//#include <EthernetUdp.h>
 
 #include "APIKey.h"
 
-
-char ITSAddress[] = "it-syndikat.org";
-
 // Local Network Settings
-byte mac[] = { 0xD4, 0x28, 0xB2, 0xFF, 0xA0, 0xA1 }; // Must be unique on local network
+//byte mac[] = { 0xD4, 0x28, 0xB2, 0xFF, 0xA0, 0xA1 }; // Must be unique on local network
 
-unsigned int localPort = 8888;      // local port to listen for UDP packets
+byte mac[] = { 0xD4, 0xBE, 0xD9, 0x9A, 0x7C, 0x95 }; // Must be unique on local network
 
-// Variable Setup - check if these Variables are needed
-long lastConnectionTime = 0;
-boolean lastConnected = true;
-int failedCounter = 0;
-
-// NTP stuff
-//IPAddress timeServer(132, 163, 4, 101); // time-a.timefreq.bldrdoc.gov NTP server
-IPAddress timeServer(193,170,62,252); // ana austrian one
-// IPAddress timeServer(132, 163, 4, 102); // time-b.timefreq.bldrdoc.gov NTP server
-// IPAddress timeServer(132, 163, 4, 103); // time-c.timefreq.bldrdoc.gov NTP server
-
-const int NTP_PACKET_SIZE= 48; // NTP time stamp is in the first 48 bytes of the message
-
-byte packetBuffer[ NTP_PACKET_SIZE]; //buffer to hold incoming and outgoing packets
 
 // Initialize Arduino Ethernet Client
 EthernetClient client;
@@ -59,23 +41,11 @@ EthernetClient client;
 // Twitter response variables
 char serverName[] = "it-syndikat.org";  // twitter URL
 String currentLine = "";            // string to hold the text from server
-String tweet = "";                  // string to hold the tweet
-boolean readingTweet = false;       // if you're currently reading the tweet
-
 
 // Specific variables
 // Status
 int hsopen =2;
 int ethernetstatus = -1;
-/*
-0=not set
-1=read thingspeak response
-2=read tweet
-*/
-int readStatus=0;
-
-// Twitter message, intermediate part
-String tmsg = " Hackerspace at ";
 
 //debug options
 boolean debug = true;
@@ -130,50 +100,22 @@ void setup()
 
 void loop()
 {
-  switch(readStatus){
+  readButtons();
-    case 0:{
-      readStatus = readButtons();
-      break;
-    }
-    case 1:{
-      readStatus = readServerReturn();
-      if(debug){
-        Serial.print("got it ... status: ");
-        Serial.println(readStatus);    
-      }
-      break;
-    }
-    case 2:{
-      readStatus = readServerStatus();
-      break;
-    }
-  }
-  
-  // Check if Arduino Ethernet needs to be restarted
-
-  lastConnected = client.connected();
 }
 
 
-int readButtons(){
+void readButtons(){
   int ret=0;
   if((digitalRead(topen)==LOW)&&(hsopen!=1)){
-    startEthernet();
+    //startEthernet();
     setRoom(2);
     TriggerServerUpdate(true);
-    hsopen=1;
-    ret=1;
-    setRoom(hsopen);
   }
   if((digitalRead(tclose)==LOW)&&(hsopen!=0)){
-    startEthernet();
+    //startEthernet();
     setRoom(2);
     TriggerServerUpdate(false);
-    hsopen=0;
-    ret=1;
-    setRoom(hsopen);
   }
-  return ret;
 }
 
 void startEthernet()
@@ -236,12 +178,14 @@ void TriggerServerReq() {
     // make HTTP GET request to server:
     client.println("GET /status-s.php HTTP/1.1");
     client.println("HOST: it-syndikat.org");
+    client.println("Connection: close");
     client.println();
+    readServerStatus();
+    //readServerReturn(); 
   }else{
     if(debug){Serial.println("Not connected...");}
   }
   // note the time of this connect attempt:
-  readStatus=2;
 }
 
 void TriggerServerUpdate(boolean stat) {
@@ -251,19 +195,22 @@ void TriggerServerUpdate(boolean stat) {
     if(debug){Serial.println("making HTTP request...");}
     // make HTTP GET request to server:
     String s =(stat?"true":"false");
-    client.println("GET /update.php?open=" + s + " HTTP/1.1");
+    client.println("GET /update.php?open=" + s + "&apikey="+serverAPIKey+" HTTP/1.1");
     client.println("HOST: it-syndikat.org");
+    client.println("Connection: close");
     client.println();
+    readServerStatus();    
   }else{
     if(debug){Serial.println("Not connected...");}
   }
   // note the time of this connect attempt:
-  readStatus=1;
 }
 
-//clean this mess up
+//reads out the status returned by the server and sets the LED's appropriately.
 int readServerStatus() {
-   if (client.connected()) {
+  char lastsign='0';
+  boolean readStatus = false;
+  while(client.connected()) {
     if (client.available()) {
       // read incoming bytes:
       char inChar = client.read();
@@ -271,62 +218,59 @@ int readServerStatus() {
       // add incoming byte to end of line:
       currentLine += inChar;
       
+      if(debug){Serial.print(inChar);}
+
       // if you get a newline, clear the line:
       if (inChar == '\n') {
         currentLine = "";
+        if(lastsign == '\n'){ // /r/n /r/n is the end of a header
+          readStatus= true; //start to parse the content of the line
+          if(debug){Serial.println("##END OF HEADER##");}
+        }
       }
       
-      // if you're currently reading the bytes of a tweet,
+      if (readStatus) {
-      // add them to the tweet String:
-      if (readingTweet) {
-        if (inChar != '<') {
-          tweet += inChar;
-        }
-        else {
         // if you got a "<" character,
         // you've reached the end of the tweet:
-          readingTweet = false;
+        if(currentLine.startsWith("true", 0)){
-          if(debug){Serial.println("Message:");}  
+          if(debug){Serial.println("");}
-          if(debug){Serial.println(tweet);}
+          hsopen=1;
-          if(debug){Serial.println(tweet.startsWith("true", 0));}          
+          setRoom(hsopen);
-          if(debug){Serial.println(tweet.startsWith("false", 0));}
+          // close the connection to the server:
-          if(tweet.startsWith("true", 0)){hsopen=1;}
+          client.stop();
-          else {if(tweet.startsWith("false", 0)){hsopen=0;}
+          return 0;
-          else {hsopen=-1;}}  
+        }
+        if(currentLine.startsWith("false", 0)){
+          if(debug){Serial.println("");}
+          hsopen=0;
           setRoom(hsopen);
           // close the connection to the server:
           client.stop();
           return 0;
         }                
       }
-      // if the current line ends with <text>, it will
+      if (inChar != '\r') {// removes /r so we dan test if the header end with two newlines, hacky but works.
-      // be followed by the tweet:
+        lastsign = inChar;
-      if ( currentLine.endsWith("<status>")) {
-        // tweet is beginning. Clear the tweet string:
-        readingTweet = true;
-        tweet = "";
       }      
     }
   }
-  return 2;
+  hsopen=-1;
+  setRoom(hsopen);
+  client.stop();
 }
 
 
-//clean this mess up
+//This just reads the server return and logs it to the serial
-int readServerReturn() {  
+void readServerReturn() {  
   //if(debug){Serial.println("readServerReturn ... ");}
-   if (client.connected()) {
+   while(client.connected()) {
      if (client.available()) {
        char c = client.read();
-       Serial.print(c);
+       if(debug){Serial.print(c);}
-       return 1;
      }
-     return 1;
+   }
-   }else{
+   if(debug){Serial.println();}
-     Serial.println();
+   if(debug){Serial.println("disconnecting.");}
-     Serial.println("disconnecting.");
    client.stop();
-     return 0;
-  }
 }
 

ITS_Open_direct/update-t.php

@@ -1,32 +0,0 @@
-<!--
-Copypasta:
-
-char thingSpeakAddress[] = "api.thingspeak.com";
-
-
--->
-<?php
-
-
-$username = ($_POST['t_user']);
-$password = ($_POST['t_pass']);
-$message = ($_POST['t_update']);
-
-$url = 'http://twitter.com/statuses/update.xml';
-$curl_handle = curl_init();
-curl_setopt($curl_handle, CURLOPT_URL, "$url");
-curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 2);
-curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);
-curl_setopt($curl_handle, CURLOPT_POST, 1);
-curl_setopt($curl_handle, CURLOPT_POSTFIELDS, "status=$message");
-curl_setopt($curl_handle, CURLOPT_USERPWD, "$username:$password");
-$buffer = curl_exec($curl_handle);
-curl_close($curl_handle);
-if (empty($buffer)) {
- echo "<p align=\"center\" >".'Sorry, due to an error your Twitter status could not be updated! Please check your username/password!'."</p>";
-} else {
- echo "<p align=\"center\">".'Your Twitter status has successfully been updated!'."</p>";
-}
-?>
-
-

server/status-s.php

@@ -0,0 +1,9 @@
+<?php
+	header('Content-type: text/plain');
+	$str=file_get_contents('status.txt');
+        $arr=explode(',',$str);
+        $open=$arr[0];
+        $date=$arr[1]; //lastchange: upadate via file see explode/implode
+        echo $open;
+?>
+

server/status.php

@@ -0,0 +1,33 @@
+<?php
+	header('Content-type: application/json');
+	$str=file_get_contents('status.txt');
+        $arr=explode(',',$str);
+        $open=$arr[0];
+        $date=$arr[1]; //lastchange: upadate via file see explode/implode
+        echo <<< eot
+{
+  "api":"0.12",
+  "space":"IT-Syndikat",
+  "url":"http://it-syndikat.org",
+  "icon":{
+    "open":"http://it-syndikat.org/images/ITS_Open.png",
+    "closed":"http://it-syndikat.org/images/ITS_Closed.png"
+  },
+  "address":"Tschamlerstrasse 3, 6020 Innsbruck, Austria",
+  "contact":{
+    "phone":"+43512563468",
+    "twitter":"@ItSyndikat",
+    "email":"wir@it-syndikat.org",
+    "ml":"its-public@lists.catbull.com"
+  },
+  "open":$open,
+  "lastchange":$date,
+  "logo":"http://it-syndikat.org/images/its_l.png",
+  "lat":47.2578,
+  "lon":11.3961
+}
+
+eot;
+
+?>
+

server/status.txt

@@ -0,0 +1 @@
+false,1361048493

server/update.php

@@ -0,0 +1,22 @@
+<?php
+	header('Content-type: text/plain');
+	if(isset($_GET['apikey']) && ($_GET['apikey']=='apikey1' || $_GET['apikey']=='apikey2')){
+		if(isset($_GET['open']) && $_GET['open']=='true')
+        	{
+        		file_put_contents ( 'status.txt' , 'true,'.time() );
+			echo "true";
+       		}else   if(isset($_GET['open']) && $_GET['open'] =='false')
+        	{
+                	file_put_contents ( 'status.txt' , 'false,'.time() );
+			echo "false";
+        	}
+        }else{
+		$str=file_get_contents('status.txt');
+        	$arr=explode(',',$str);
+        	$open=$arr[0];
+        	$date=$arr[1]; //lastchange: upadate via file see explode/implode
+		echo "API Key Missing!\n";
+        	echo $open;
+	}
+?>
+