\n";
PAGEFOOTER();
return;
}
#
# See if a level came in. If not, then get the default from the DB.
#
if (!isset($level) || $level == "") {
$level = $linktest_level;
}
elseif (! TBvalid_tinyint($level) ||
$level < 0 || $level > TBDB_LINKTEST_MAX) {
PAGEARGERROR("Linktest level must be an integer 0 <= level <= ".
TBDB_LINKTEST_MAX);
}
#
# If user hits stop button in the output side, stop linktest.
#
$fp = 0;
function SPEWCLEANUP()
{
global $fp;
if (connection_aborted() && $fp) {
SUEXEC($uid, "$pid,$unix_gid", "weblinktest -k $pid $eid",
SUEXEC_ACTION_IGNORE);
pclose($fp);
exit();
}
}
#
# Respond to the frame requests that are set up below.
#
if (isset($frame)) {
if ($frame == "stopbutton") {
if (isset($submit) && $submit == "Stop") {
SUEXEC($uid, "$pid,$unix_gid", "weblinktest -k $pid $eid",
SUEXEC_ACTION_IGNORE);
echo "
Linktest is shutting down
\n";
return;
}
#
# Throw up a simple form to stop the linktest run.
#
echo "
Click to stop linktest run
\n";
return;
}
# Else must be the content side.
register_shutdown_function("SPEWCLEANUP");
ignore_user_abort(1);
set_time_limit(0);
$fp = popen("$TBSUEXEC_PATH ".
"$uid $pid,$unix_gid weblinktest -l $level $pid $eid",
"r");
if (! $fp) {
USERERROR("Linktest failed!", 1);
}
header("Content-Type: text/plain");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
flush();
for ($i = 0; $i < 1025; $i++) {
echo " ";
}
echo "\n";
# See if we can get the browser to say something.
echo date("D M d G:i:s T");
echo "\n";
echo "Starting linktest run at level $level\n";
flush();
while (!feof($fp)) {
$string = fgets($fp, 1024);
echo "$string";
flush();
}
$retval = pclose($fp);
$fp = 0;
if ($retval == 0)
echo "Linktest run was successful!\n";
echo date("D M d G:i:s T");
echo "\n";
return;
}
#
# We run this twice. The first time we are checking for a confirmation
# by putting up a form. The next time through the confirmation will be
# set. Or, the user can hit the cancel button, in which case we should
# probably redirect the browser back up a level.
#
if ($canceled) {
PAGEHEADER("Run Linktest");
echo "
Operation canceled!
\n";
PAGEFOOTER();
return;
}
if (!$confirmed) {
PAGEHEADER("Run Linktest at level $level");
echo "Experiment ".
"$pid/".
"$eid\n";
echo "