boinc/html/ops/cancel_wu_action.php

<?php
echo "<!--\$Id$ -->";

// cancel a WU:
// - mark unsent results as OVER, outcome DIDNT_NEED
// - set CANCELLED bit in WU error mask
//

function test_mysql_query($msg) {
        echo "mysql_query($msg)<br/>";
        return 1;
}

// for purposes of testing and seeing queries,
// replace the two instances of mysql_query() below with test_mysql_query().
//
function cancel_wu($wuid1, $wuid2) {
    $command1="update result set server_state=5, outcome=5 where server_state=2 and $wuid1<=workunitid and workunitid<=$wuid2";
    $command2="update workunit set error_mask=error_mask|16 where $wuid1<=id and id<=$wuid2";

    if (!mysql_query($command1)) {
        echo "MySQL command $command1 failed:<br/>unable to cancel unsent results.<br/>";
        return 1;
    } else if (!mysql_query($command2)) {
        echo "MySQL command $command2 failed:<br/>unable to cancel workunits.<br/>";
        return 2;
    }

    return 0;
}

require_once("../inc/db.inc");

// REMOVE THE FOLLOWING ONLY AFTER PASSWORD-PROTECTING html/ops
//
if (1) {
    echo "
        WARNING! Make sure the html/ops directory is password-protected,
        then edit html/ops/cancel_wu_action.php by hand to remove this message.
    ";
    exit();
}


db_init();

$wuid1 = $_GET['wuid1'];
$wuid2 = $_GET['wuid2'];

if ($wuid1<1 || $wuid2<$wuid1) {
    echo "<h2>Workunit IDs fail to satisfy the conditions:<br/>
        1 <= WU1 ($wuid1) <= WU2 ($wuid2)<br/>
        Unable to process request to cancel workunits.
        </h2>
    ";
    exit();
}

echo "CANCELLING workunits $wuid1 to $wuid2 inclusive....<br/>";

if (cancel_wu($wuid1, $wuid2)) {
    echo "<h2>Failed in";
} else {
    echo "<h2>Success in";
}
echo " cancelling workunits $wuid1 <= WUID <= $wuid2</h2>";

?>