52a7cf96b9
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24962 a95241bf-73f2-0310-859d-f6bbb57e9c96
242 lines
5.7 KiB
PHP
Executable File
242 lines
5.7 KiB
PHP
Executable File
<?php
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/*
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* haiku.php - an online Haiku demo using qemu and vnc.
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* Copyright 2007, Francois Revol, revol@free.fr.
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*/
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// relative path to the vnc java applet jar
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// you must *copy* (apache doesn't seem to like symlinks) it there.
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// on debian, apt-get install vnc-java will put them in
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// /usr/share/vnc-java
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//define("VNCJAVA_PATH", "vnc-java");
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//define("VNCJAR", "vncviewer.jar");
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//define("VNCCLASS", "vncviewer.class");
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// to use the tightvnc applet instead (supports > 8bpp):
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// on debian, apt-get install tightvnc-java will put them in
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// /usr/share/tightvnc-java
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define("VNCJAVA_PATH", "tightvnc-java");
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define("VNCJAR", "VncViewer.jar");
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define("VNCCLASS", "VncViewer.class");
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// maximum count of qemu instances.
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define("MAX_QEMUS", 8);
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// size of the java applet, must match the default resolution of the image.
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//define("APPLET_WIDTH", "800");
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//define("APPLET_HEIGHT", "600");
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define("APPLET_WIDTH", "1024");
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define("APPLET_HEIGHT", "768");
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// vnc protocol base port.
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define("VNCPORTBASE", 5900);
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// timeout before the demo session is killed, as argument to /bin/sleep
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define("SESSION_TIMEOUT", "10m");
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// path to qemu binary
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//define("QEMU_BIN", "/usr/bin/qemu");
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define("QEMU_BIN", "/usr/local/bin/qemu");
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// default arguments: no network, emulate tablet, readonly image file.
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define("QEMU_ARGS","-net none -usbdevice wacom-tablet -k en-us -snapshot");
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//define("QEMU_ARGS","-net none -usbdevice wacom-tablet -k fr -snapshot");
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// absolute path to the image.
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define("QEMU_IMAGE_PATH","/home/revol/haiku/trunk/generated.x86/haiku.image");
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// qemu 0.8.2 needs "", qemu 0.9.1 needs ":"
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define("QEMU_VNC_PREFIX", ":");
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// name of session and pid files in /tmp
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define("QEMU_SESSFILE_TMPL", "qemu-haiku-session-");
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define("QEMU_PIDFILE_TMPL", "qemu-haiku-pid-");
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// name of session variable holding the qemu slot; not yet used correctly
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define("QEMU_IDX_VAR", "QEMU_HAIKU_SESSION_VAR");
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session_start();
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if (isset($_GET['frame'])) {
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}
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?>
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<html>
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<head>
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<title>Haiku Test</title>
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</head>
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<script>
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function onPageUnload() {
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//window.open("<?php echo $_SERVER["SCRIPT_NAME"] . "?close"; ?>", "closing", "width=100,height=30,location=no,menubar=no,toolbar=no,scrollbars=no");
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}
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</script>
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<?php
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// statics
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$count = $_SESSION['compteur'];
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//$count = $GLOBALS['compteur'];
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$closing = 0;
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if (isset($_GET['close'])) {
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$closing = 1;
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echo "<body>";
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} else
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echo "<body onunload=\"onPageUnload();\">";
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function dbg($str)
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{
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echo "<div class=\"debug\">$str</div>\n";
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}
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function err($str)
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{
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echo "<div class=\"error\">$str</div>\n";
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}
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function make_qemu_sessionfile_name($idx)
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{
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return "/tmp/" . QEMU_SESSFILE_TMPL . $idx;
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}
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function make_qemu_pidfile_name($idx)
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{
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return "/tmp/" . QEMU_PIDFILE_TMPL . $idx;
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}
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function find_qemu_slot()
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{
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for ($idx = 0; $idx < MAX_QEMUS; $idx++) {
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$pidfile = make_qemu_pidfile_name($idx);
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$sessfile = make_qemu_sessionfile_name($idx);
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dbg("checking \"$pidfile\", \"$sessfile\"...");
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if (!file_exists($pidfile) && !file_exists($sessfile)) {
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file_put_contents($sessfile, session_id());
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$sid = file_get_contents($sessfile);
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if ($sid != session_id())
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continue;
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$_SESSION[QEMU_IDX_VAR] = $idx;
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return $idx;
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}
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}
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return -1;
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}
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function qemu_slot()
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{
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return $_SESSION[QEMU_IDX_VAR];
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}
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function vnc_display()
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{
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return qemu_slot();
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}
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function vnc_port()
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{
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return VNCPORTBASE + vnc_display();
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}
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function is_my_session_valid()
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{
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if (!isset($_SESSION[QEMU_IDX_VAR]))
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return 0;
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$idx = $_SESSION[QEMU_IDX_VAR];
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$sessfile = make_qemu_sessionfile_name($idx);
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if (!file_exists($sessfile))
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return 0;
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$qemusession=file_get_contents($sessfile);
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// has expired
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if ($qemusession != session_id()) {
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return 0;
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}
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return 1;
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}
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function start_qemu()
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{
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$idx = find_qemu_slot();
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if ($idx < 0) {
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err("No available qemu slot, please try later.");
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return $idx;
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}
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$pidfile = make_qemu_pidfile_name($idx);
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$cmd = QEMU_BIN . " " . QEMU_ARGS . " -vnc " . QEMU_VNC_PREFIX . vnc_display() . " -pidfile " . $pidfile . " " . QEMU_IMAGE_PATH;
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if (file_exists($pidfile))
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unlink($pidfile);
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dbg("Starting <tt>" . $cmd . "</tt>...");
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$descriptorspec = array(
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// 0 => array("pipe", "r"), // stdin
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// 1 => array("pipe", "w"), // stdout
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// 2 => array("pipe", "w") // stderr
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);
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//$cmd="/bin/ls";
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//passthru($cmd, $ret);
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//dbg("ret=$ret");
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$cmd .= " &";
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$process = proc_open($cmd, $descriptorspec, $pipes);
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sleep(1);
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proc_close($process);
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dbg("Started QEMU.");
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$sessfile = make_qemu_sessionfile_name($idx);
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$cmd = "(sleep " . SESSION_TIMEOUT . "; kill -9 `cat " . $pidfile . "`; rm " . $pidfile . " " . $sessfile . ") &";
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$process = proc_open($cmd, $descriptorspec, $wkpipes);
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sleep(1);
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proc_close($process);
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dbg("Started timed kill.");
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dbg("Ready for a " . SESSION_TIMEOUT . " session.");
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}
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function output_applet_code()
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{
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$w = APPLET_WIDTH;
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$h = APPLET_HEIGHT;
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$port = vnc_port();
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$vncjpath = VNCJAVA_PATH;
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$jar = VNCJAR;
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$class = VNCCLASS;
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echo "<applet code=$class codebase=\"$vncjpath/\" archive=\"$vncjpath/$jar\" width=$w height=$h>
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<param name=\"PORT\" value=\"$port\">
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<!param name=\"HOST\" value=\"$HTTP_HOST\"><!-- no need -->
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<param name=\"PORT\" value=\"$port\">
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<param name=\"PASSWORD\" value=\"\">
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There should be a java applet here... make sure you have a JVM and it's enabled!
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</applet>";
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}
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dbg("Checking if session is running...");
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if (is_my_session_valid()) {
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dbg("Session running");
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$qemuidx = qemu_slot();
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} else if ($closing != 1) {
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dbg("Need to start qemu");
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$qemuidx = start_qemu();
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}
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if ($qemuidx >= 0) {
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if ($closing) {
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dbg("closing...");
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unlink(make_qemu_sessionfile_name($qemuidx));
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//unlink(make_qemu_sessionfile_name($qemuidx));
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sleep(1);
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//echo "<script> self.close(\"closing\"); </script>";
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} else {
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dbg("Waiting for vnc server...");
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sleep(5);
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output_applet_code();
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}
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}
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?>
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</body>
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</html>
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