Add some different xPL implementations done by Telldus
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Micke Prag
parent
deebf2045e
commit
d4b46c71ec
21 changed files with 2285 additions and 0 deletions
210
xpl/phpxpl/xplinstance.class.php
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210
xpl/phpxpl/xplinstance.class.php
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<?php
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require_once 'xplmessage.class.php';
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require_once 'xpldevice.class.php';
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define( XPL_PORT, 3865 );
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class XPLInstance {
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protected $_thisDevice = null;
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protected $_devices = array();
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private $_socket;
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private $_isAttached = false;
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private $_ip;
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public function __construct($vendor, $device, $ip) {
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$this->_ip = $ip;
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$this->_thisDevice = new XPLDevice($vendor, $device);
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$this->init();
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}
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public function attatched() {
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return $this->_isAttatched;
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}
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public function detach() {
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$message = new xPLMessage( xPLMessage::xplstat );
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$message->setMessageSchemeIdentifier( 'hbeat.end' );
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$message->setTarget('*');
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$message->setSource( $this->_thisDevice->deviceName() );
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$this->sendMessage( $message );
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socket_close($this->_socket);
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$this->_socket = null;
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}
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public function doEvents() {
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$string = socket_read( $this->_socket, 1500);
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if ($string != '') {
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$message = XPLMessage::createMessageFromString($string);
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if ($message) {
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$this->processMessage( $message );
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}
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return false;
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}
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$this->poll();
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return true;
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}
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public function sendMessage( $message, $device = null ) {
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//echo "Sending heartbeat\n";
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$msg = (string)$message;
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socket_sendto( $this->_socket, $msg, strlen($msg), 0, '255.255.255.255', XPL_PORT );
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}
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protected function attatchedToNetwork() {
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}
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protected function handleMessage( $message ) {
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return false;
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}
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private function bindToPort() {
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$port = 49152;
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//$port = XPL_PORT;
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$error = 98;
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while ($error == 98 && $port < 65535) {
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if (@socket_bind($this->_socket, $this->_ip, $port) === false) {
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++$port;
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} else {
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echo "Bind succeded as client on: " . $port . "\n";
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return $port;
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}
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}
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return 0;
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}
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private function init() {
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if (($this->_socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP)) === false) {
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echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n";
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return;
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}
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socket_set_option( $this->_socket, SOL_SOCKET, SO_BROADCAST, 1);
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socket_set_nonblock( $this->_socket );
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$this->_thisDevice->setPort( $this->bindToPort() );
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if ($this->_thisDevice->port() == 0) {
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echo "socket_bind() failed: reason: " . socket_strerror(socket_last_error($this->_socket)) . "\n";
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return;
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}
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printf("xPL server started (bound to port %s)\n", $this->_thisDevice->port());
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$this->sendHeartbeat();
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}
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private function poll() {
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if (!$this->attatched()) {
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$this->sendHeartbeat();
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return;
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}
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if (time()-$this->_thisDevice->lastHeartBeat() >= $this->_thisDevice->heartBeatInterval() * 60) {
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$this->sendHeartbeat();
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}
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//Loop all devices to see if they have timed out
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foreach( $this->_devices as $key => $device ) {
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if ( time()-$device->lastHeartBeat() >= $device->heartBeatInterval() * 60 * 2) {
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printf("Device removed (timeout): %s\n", $device->deviceName());
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//This is not a prefeered way of removing the item from an array
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//Since we are iterating the loop will miss to check the new item.
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//Here, it will be checked next time poll is called
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unset($this->_devices[$key]);
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continue;
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}
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}
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}
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private function processHeartBeat( $message ) {
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if ($message->messageSchemeIdentifier() == 'hbeat.request') {
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$this->sendHeartbeat();
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return true;
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}
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foreach( $this->_devices as $key => $device ) {
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if ( $device->deviceName() == $message->source() ) {
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if (substr($message->messageSchemeIdentifier(), -3) == 'end') {
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echo "Device removed: " . $message->source() . "\n";
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unset($this->_devices[$key]);
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return true;
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} else {
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$device->setLastHeartBeat( time() );
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$device->setHeartBeatInterval( $message->bodyItem( 'interval' ) );
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}
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return true;
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}
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}
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if ( (substr($message->messageSchemeIdentifier(), -3) != 'app') && (substr($message->messageSchemeIdentifier(), -5) != 'basic') ) { //Not a heartbeat
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return false;
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}
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printf( "New device: %s\n", $message->source() );
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$device = new xPLDevice( $message->source() );
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$device->setHeartBeatInterval( $message->bodyItem('interval') );
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$device->setLastHeartBeat( time() );
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if ($message->messageSchemeIdentifier() == 'hbeat.app') {
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$device->setAddress( $message->bodyItem('remote-ip'));
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$device->setPort( $message->bodyItem('port') );
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}
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$this->_devices[] = $device;
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return true;
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}
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private function processMessage( $message ) {
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if (!$this->attatched() && $message->messageSchemeIdentifier() == 'hbeat.app' && $message->source() == $this->_thisDevice->deviceName()) {
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//Our own echo
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$this->setAttatched( true );
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return;
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}
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if ($message->source() == $this->_thisDevice->deviceName()) {
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//Ignore messages from ourselves
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return;
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}
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if ( (substr($message->messageSchemeIdentifier(), 0, 5) == 'hbeat') || (substr($message->messageSchemeIdentifier(), 0, 6) == 'config') ) {
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if ($this->processHeartBeat( $message )) {
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return;
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}
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}
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if ($message->target() != $this->_thisDevice->deviceName() && $message->target() != '*') {
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//Message not for us
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return;
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}
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if (!$this->handleMessage($message)) {
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printf("Got message:\n%s", $message);
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}
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}
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private function sendHeartbeat() {
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// echo "Sending heartbeat\n";
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$message = new xPLMessage( xPLMessage::xplstat );
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$message->setMessageSchemeIdentifier( 'hbeat.app' );
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$message->setTarget('*');
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$message->setSource( $this->_thisDevice->deviceName() );
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$message->addBodyItem( 'interval', $this->_thisDevice->heartBeatInterval() );
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$message->addBodyItem( 'port', $this->_thisDevice->port() );
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$message->addBodyItem( 'remote-ip', $this->_ip );
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$this->sendMessage( $message );
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$this->_thisDevice->setLastHeartBeat( time() );
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}
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private function setAttatched( $attatched ) {
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$this->_isAttatched = $attatched;
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if ($this->_isAttatched) {
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echo "Attatched to xPL-network\n";
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// timer->setInterval( 60000 ); //Once a minute
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$message = new xPLMessage( xPLMessage::xplcmnd );
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$message->setTarget( "*" );
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$message->setSource( $this->_thisDevice->deviceName() );
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$message->setMessageSchemeIdentifier( 'hbeat.request' );
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$message->addBodyItem('command', 'request');
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$this->sendMessage( $message );
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$this->attatchedToNetwork();
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}
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}
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}
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