/**
* Main function that runs in a forever loop to keep listening on all required ports
* @param $strHostAddress
* @param $intPort
*/
protected function listen($strHostAddress, $intPort)
{
System::upTime(time());
error_reporting(E_ALL);
set_time_limit(0);
ob_implicit_flush(true);
//Load in all the registered WebSocket Apps
AppHandler::load();
$this->resMasterSocket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket_create() failed");
socket_set_option($this->resMasterSocket, SOL_SOCKET, SO_REUSEADDR, 1) or die("socket_option() failed");
socket_bind($this->resMasterSocket, $strHostAddress, $intPort) or die("socket_bind() failed");
socket_listen($this->resMasterSocket, 20) or die("socket_listen() failed");
System::serverHeader(sprintf("Server Started\t: %s", date('Y-m-d H:i:s')));
System::serverHeader(sprintf("Listening on\t: %s port %s", $strHostAddress, $intPort));
System::serverHeader(sprintf("Master socket\t: %s\n", $this->resMasterSocket));
System::output();
while (true) {
//Run the Scheduled Tasks on every iteration of the while loop
Scheduler::process();
System::output();
//Grab an array of all the sockets that are connected
$arrSockets = Sockets::getAll($this->resMasterSocket);
$resWrite = null;
$resExcept = null;
//Proceed to the next iteration if no sockets are currently active
if (socket_select($arrSockets, $resWrite, $resExcept, 1) < 1) {
continue;
}
//Go through each socket and process accordingly
foreach ($arrSockets as $resClientSocket) {
if ($resClientSocket == $this->resMasterSocket) {
$resNewClient = socket_accept($this->resMasterSocket);
if ($resNewClient < 0) {
System::debug("socket_accept() failed");
continue;
} else {
$this->connect($resNewClient);
System::output();
}
} else {
//8192
$intBytes = socket_recv($resClientSocket, $strBuffer, 8192, 0);
//No bytes returned then disconnect the user from the system
if ($intBytes === 0 || $intBytes == 0) {
$this->disconnect($resClientSocket, "No bytes returned then disconnect the user from the system");
} else {
//If the socket has not completed the handshake process yet then handshake now
if (Sockets::getHandshake($resClientSocket) === false) {
$this->handshake($resClientSocket, $strBuffer);
} else {
$strDecodedData = DataHandler::unwrap($strBuffer, $resClientSocket);
//Process the request message as the user is already valid and confirmed
$this->process($resClientSocket, $strDecodedData);
}
}
System::output();
}
}
//If the server is to be shutdown then kill the server now
if ($this->blShutdownServer == true) {
echo "\n\n############################\n# Server is shutting down! #\n############################\n\n";
break;
}
}
//Close the server socket as it is not needed
socket_close($this->resMasterSocket);
}
