boinc/doc/sim_form.php

145 lines
3.4 KiB
PHP

<?php
require_once("docutil.php");
function show_form() {
echo "
<form action=sim_form.php method=post>
<b>client_state.xml</b>
<br>
<textarea name=client_state rows=10 cols=80>
</textarea>
<p>
<b>global_prefs.xml:</b> (the host's preferences)
<br>
<textarea name=global_prefs rows=10 cols=80>
</textarea>
<p>
<b>global_prefs_override.xml:</b> (the host's preferences override file)
<br>
<textarea name=global_prefs_override rows=10 cols=80>
</textarea>
<p>
<b>cc_config.xml:</b> (the client configuration options)
<br>
<textarea name=cc_config rows=10 cols=80>
</textarea>
<p>
<b>
The following control how long the simulation runs.
Duration may not exceed TimeStep*10000.
</b>
<br>Time step: <input name=delta value=60>
<br>Duration: <input name=duration value=86400>
<p>
<b>
Scheduling policy options:
</b>
<p>
Client uses Recent Estimated Credit scheduling? <input type=checkbox name=rec>
<br>(default: debt-based scheduling)
<p>
Server does EDF simulation to predict deadline misses? <input type=checkbox name=suw>
<br>(default: approximate method)
<p>
Client uses only round-robin CPU scheduling? <input type=checkbox name=rr_only>
<br>(default: round-robin and EDF hybrid)
<p>
<input type=submit name=submit value=\"Run simulation\">
</form>
";
}
// ?? the actual function doesn't seem to work here
function file_put_contents_aux($fname, $str) {
$f = fopen($fname, "w");
if (!$f) die("fopen");
$x = fwrite($f, $str);
if (!$x) die("fwrite");
fclose($f);
}
if ($_POST['submit']) {
chdir("sim");
$prefix = tempnam("/tmp", "sim");
$x = $_POST['client_state'];
if (!strlen($x)) {
die("missing state");
}
$state_fname = $prefix."client_state.xml";
file_put_contents_aux($state_fname, $x);
$x = $_POST['global_prefs'];
if (strlen($x)) {
$prefs_fname = $prefix."global_prefs.xml";
file_put_contents_aux($prefs_fname, $x);
}
$x = $_POST['global_prefs_override'];
if (strlen($x)) {
$prefs_override_fname = $prefix."global_prefs_override.xml";
file_put_contents_aux($prefs_override_fname, $x);
}
$x = $_POST['cc_config'];
if (strlen($x)) {
$config_fname = $prefix."cc_config.xml";
file_put_contents_aux($config_fname, $x);
}
$duration = $_POST['duration'];
$delta = $_POST['delta'];
if ($delta < 1) {
echo "time step must be >= 1";
exit();
}
if ($duration/$delta > 10000) {
echo "duration/step must be <= 10000";
exit();
}
$suw = '';
if ($_POST['suw']) {
$suw = '--server_uses_workload';
}
$rr_only = '';
if ($_POST['rr_only']) {
$rr_only = '--cpu_sched_rr_only';
}
$prog = "./sim_debt";
if ($_POST['use_rec']) {
$prog = "./sim_rec";
}
$cmd = "$prog --duration $duration --delta $delta $suw --file_prefix $prefix $rr_only $llflag";
$x = system($cmd);
Header("Location: ".$prefix."index.html");
} else {
page_head("BOINC client simulator");
echo "
This is a web interface to the BOINC client simulator.
Fill in the following form to specify the
<a href=trac/wiki/ClientSim>parameters of your simulation</a>.
The results will be shown in your browser.
<p>
";
show_form();
}
?>