#! /usr/bin/env php
<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2013 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC.  If not, see <http://www.gnu.org/licenses/>.

// delete job files for which
// - the delete time is in the past, and
// - any batch/file associations are to retired batches

require_once("../inc/submit_db.inc");
require_once("../inc/dir_hier.inc");

$fanout = parse_config(get_config(), "<uldl_dir_fanout>");

$t = local_time_str(time());
echo "$t: delete_job_files: starting\n";
$id = 0;
while (1) {
    $now = time();
    $files = BoincJobFile::enum(
        "id > $id and delete_time<$now order by id limit 1000"
    );
    if (empty($files)) break;
    foreach ($files as $file) {
        $id = $file->id;
        $comp = BATCH_STATE_COMPLETE;
        $db = BoincDb::get();
        $query = "select * from ".$db->db_name.".batch_file_assoc as bfa join ".$db->db_name.".batch where bfa.job_file_id=$file->id and bfa.batch_id=batch.id and batch.state<$comp";
        $result = $db->do_query($query);
        if (!$result) {
            die("query failed: $query\n");
        }
        $b = _mysql_fetch_object($result);
        if (!$b) continue;

        $fname = job_file_name($file->md5);
        $path = dir_hier_path($fname, "../../download", $fanout);
        unlink($path);
        echo "deleted $path\n";
        BoincBatchFileAssoc::delete_aux("job_file_id=$file->id");
        $file->delete();
    }
}
$t = local_time_str(time());
echo "$t: delete_job_files: done\n";
?>