cserv2.php

 <?php
require_once "portDriver.php";


 error_reporting(E_ALL);
 
 /* Allow the script to hang around waiting for connections. */
 set_time_limit(0);
 
 /* Turn on implicit output flushing so we see what we're getting
  * as it comes in. */
 ob_implicit_flush();


// Create the device;
$serial = new serialPort();

// Open the device.
$serial->openPort("/dev/ttyS0");
$serial->sendInit();

 //$address = '158.83.200.115';
 $address = '192.168.0.1';

 $port = 10000;
 
 if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) {
    echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n";
 }
 
 if (socket_bind($sock, $address, $port) === false) {
    echo "socket_bind() failed: reason: " . socket_strerror(socket_last_error($sock)) . "\n";
 }
 
 if (socket_listen($sock, 5) === false) {
    echo "socket_listen() failed: reason: " . socket_strerror(socket_last_error($sock)) . "\n";
 }
 
 do {
    if (($msgsock = socket_accept($sock)) === false) {
        echo "socket_accept() failed: reason: " . socket_strerror(socket_last_error($sock)) . "\n";
        break;
    }
    /* Send instructions. */
    $msg = "\nWelcome to the Chimaera Vehicle Control Server. \n" .
        "To quit, type 'quit'. To shut down the server type 'kill'.\n";
    socket_write($msgsock, $msg, strlen($msg));
 
    do {
        if (false === ($buf = socket_read($msgsock, 2048, PHP_NORMAL_READ))) {
            echo "socket_read() failed: reason: " . socket_strerror(socket_last_error($msgsock)) . "\n";
            break 2;
        }
        if (!$buf = trim($buf)) {
            continue;
        }
        if ($buf == 'quit') {
            break;
        }
        if ($buf == 'kill') {
            socket_close($msgsock);
            break 2;
        }
        $talkback = "PHP: You said '$buf'.\n";
        socket_write($msgsock, $talkback, strlen($talkback));
	$serial->sendMessage($buf);
        echo "$buf\n";
    } while (true);
    socket_close($msgsock);
 } while (true);
 
 socket_close($sock);
$serial->closePort();

 ?>  