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| − | temporary storage for source code
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| − | == arduino part ==
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| − |
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| − | <pre>
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| − | #include <Ethernet.h>
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| − |
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| − | byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
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| − | byte ip[] = { 192, 168, 1, 99 };
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| − | byte gateway[] = { 192 ,168 ,1 ,254 };
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| − | byte subnet[] = { 255, 255, 255, 0 };
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| − | boolean open = false;
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| − |
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| − | //byte server_ip[] = {74, 125, 127, 100}; //google
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| − | byte server_ip[] = { 80, 90, 47, 170 }; //hackerspace.lu
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| − | //byte server_ip[] = { 192, 168, 1, 65 };
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| − |
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| − | char request[300] = "GET /OpenDuino.php?status=0 HTTP/1.0";
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| − | //char request[300] = "GET /index.html HTTP/1.0";
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| − |
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| − | unsigned long time = 0;
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| − | unsigned long oldtime = 0;
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| − |
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| − | unsigned long trigger_oldtime = 0;
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| − |
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| − | //Server server(1337);
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| − |
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| − | void setup()
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| − | {
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| − | Ethernet.begin(mac, ip, gateway, subnet);
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| − | //server.begin();
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| − | Serial.begin(9600);
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| − |
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| − | lights();
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| − | // connect once on launch
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| − | dialup();
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| − |
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| − | oldtime = millis();
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| − | }
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| − |
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| − | void dialup()
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| − | {
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| − | Client client(server_ip,80);
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| − | Serial.println("Connecting...");
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| − | Serial.println(request);
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| − | if( client.connect() ){
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| − | client.println(request);
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| − | client.println();
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| − | } else {
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| − | Serial.println("Connection failed.");
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| − | } //*/
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| − |
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| − | if(client.available()) {
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| − | char c = client.read();
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| − | Serial.println(c);
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| − | } //*/
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| − | client.stop();
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| − | }
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| − |
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| − | void lights() {
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| − | if( open ) {
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| − | digitalWrite(7,HIGH);
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| − | digitalWrite(5,LOW);
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| − | } else {
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| − | digitalWrite(7,LOW);
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| − | digitalWrite(5,HIGH);
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| − | }
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| − | }
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| − |
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| − |
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| − | void loop()
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| − | {
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| − | time = millis();
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| − |
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| − | // read the switch state
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| − | if(digitalRead(0) == 0) {
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| − | if( time - trigger_oldtime > 1000 || time - trigger_oldtime < 0 ) {
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| − | trigger_oldtime = time;
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| − | Serial.println("Changing state.");
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| − | open = !open;
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| − | request[26] = (int)open+48;
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| − | lights();
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| − | dialup();
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| − | }
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| − | }
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| − |
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| − |
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| − | // send regular updates
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| − | if( time-oldtime > 300000 || time - oldtime < 0 ) {
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| − | oldtime = time;
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| − | dialup();
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| − | }
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| − | }
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| − | </pre>
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| − |
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| − | == Server part I ==
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| − |
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| − | <pre>
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| − | <?php
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| − |
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| − | try{
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| − | checkHostname();
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| − | setStatus();
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| − | respond();
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| − | } catch (Exception $e) {
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| − | mail('','OpenDuino failure',$e->getMessage());
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| − | writeToLog("Encountered an exception on ".date("r").": ".$e->getMessage());
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| − | }
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| − |
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| − |
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| − | /* functions */
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| − | function checkHostname(){
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| − | $hostname = 'openduino.dyndns.org';
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| − | $ip = $_SERVER['REMOTE_ADDR'];
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| − | if($ip != gethostbyname($hostname))
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| − | throw new Exception("Sorry dude, wrong ip!");
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| − | }
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| − |
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| − | function setStatus(){
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| − | $status = $_GET['status'];
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| − | if($status != "0" && $status != "1")
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| − | throw new Exception('No valid status given!');
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| − | $file = '/var/www/hackerspace.lu/open/status';
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| − | if(file_exists($file) && is_writeable($file)){
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| − | $current = file_get_contents($file);
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| − | if($status != $current){ // only write on change
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| − | file_put_contents($file,$status);
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| − | writeToLog("Wrote $status to statusfile on ".date("r"));
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| − | }
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| − | } else throw new Exception("Status file not writeable!");
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| − | }
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| − |
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| − | function respond(){
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| − | print('ok');
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| − | }
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| − |
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| − |
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| − | function writeToLog($text){
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| − | $logfile = '/var/www/hackerspace.lu/open/log';
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| − | if(file_exists($logfile) && is_writeable($logfile))
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| − | file_put_contents($logfile,$text."\n");
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| − | }
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| − |
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| − | ?>
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| − | </pre>
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| − |
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| − | == Server part II (MW extension) ==
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| − |
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| − | <pre>
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| − | <?php
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| − |
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| − | /**
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| − | * Todo: Refactor
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| − | */
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| − |
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| − | $wgExtensionFunctions[] = "OpenDuino";
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| − |
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| − | // Extension credits that show up on Special:Version
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| − | $wgExtensionCredits['parserhook'][] = array(
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| − | 'name' => 'OpenDuino',
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| − | 'author' => '[http://david.raison.lu David Raison]' ,
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| − | 'url' => 'http://www.hackerspace.lu/wiki/OpenDuino',
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| − | 'description' => 'OpenDuino is a hard- and software solution to notify site visitors of the hackerspace occupation status'
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| − | );
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| − |
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| − | /* global vars */
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| − | $projectLink = '<a href="OpenDuino">*</a>';
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| − |
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| − | function OpenDuino(){
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| − | global $wgParser;
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| − | $wgParser->setHook('openduino', 'ShowOpenDuinoStatus');
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| − | }
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| − |
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| − | function ShowOpenDuinoStatus(){
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| − | global $wgOpenDuinoFile;
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| − | $status = readStatusFile($wgOpenDuinoFile);
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| − | if($status == 1)
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| − | return displayLightOn();
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| − | elseif($status == 0)
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| − | return displayLightOff();
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| − | else
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| − | return displayError();
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| − | return true;
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| − | }
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| − |
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| − | function readStatusFile($file){
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| − | if(file_exists($file) && is_readable($file))
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| − | return file_get_contents($file);
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| − | }
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| − |
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| − | function displayLightOn(){
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| − | global $wgParser, $projectLink;
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| − | $output = '<div style="width:90%;height:40px;border:1px dashed navy;padding: 20px 5px 0px 40px;'
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| − | .'background:#ffffff url(/w/thumb.php?f=LightOn.svg&width=32) left no-repeat;">'
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| − | .'The hackerspace is currently open. Come on in!'
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| − | .' '.$projectLink
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| − | .'</div>';
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| − | return $output;
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| − | }
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| − |
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| − | function displayLightOff(){
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| − | global $wgParser, $projectLink;
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| − | //$link = "[[OpenDuino|*]]";
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| − | //$projectLink = $wgParser->parse($link,new Title(), new ParserOptions(),true,true)->getText();
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| − | $output = '<div style="width:90%;height:40px;border:1px dashed navy;padding: 20px 5px 0px 40px;'
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| − | .'background:#ffffff url(/w/thumb.php?f=LightOff.svg&width=32) left no-repeat;">'
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| − | .'The hackerspace is currently unoccupied. Check back later!'
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| − | .' '.$projectLink
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| − | .'</div>';
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| − | return $output;
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| − | }
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| − |
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| − | function displayError(){
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| − | global $wgParser, $projectLink;
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| − | $output = '<div style="width:90%;height:50px;border:1px dashed navy;padding: 20px 5px 0px 40px;'
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| − | .'background:#ffffff url(/w/thumb.php?f=Attention.png&width=32) left no-repeat;">'
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| − | .'There was an error reading the Hackerspace status.<br/>You should probably contact an office member.'
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| − | .' '.$projectLink
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| − | .'</div>';
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| − | return $output;
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| − | }
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| − | </pre>
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