boinc/sched/census.cpp

91 lines
2.9 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 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/>.
// census - see how much RAC each HR class is getting,
// to adjust the number of job-array slots for each HR class.
//
// scan the DB and create summary file: see usage() below
#include <cstdio>
#include "boinc_db.h"
#include "str_util.h"
#include "sched_config.h"
#include "sched_util.h"
#include "sched_msgs.h"
#include "hr_info.h"
#include "svn_version.h"
void usage(char *name) {
fprintf(stderr,
"This program scans the 'host' DB table and creates a file:\n\n"
"%s: how much RAC each HR class is getting\n"
" (needed if you use homogeneous redundancy).\n"
"This should be run as a periodic task (about once a day) from config.xml.\n"
"For more info, see http://boinc.berkeley.edu/trac/wiki/HomogeneousRedundancy\n\n"
"Usage: %s [OPTION]...\n\n"
"Options:\n"
" -h --help shows this help text.\n"
" -v --version shows version information.\n",
HR_INFO_FILENAME, name
);
}
int main(int argc, char** argv) {
HR_INFO hri;
int retval;
for (int i=1; i<argc; i++) {
if (is_arg(argv[i], "help") || is_arg(argv[i], "h")) {
usage(argv[0]);
exit(0);
} else if (is_arg(argv[i], "version") || is_arg(argv[i], "v")) {
printf("%s\n", SVN_VERSION);
exit(0);
} else {
log_messages.printf(MSG_CRITICAL,
"unknown command line argument: %s\n\n", argv[i]
);
usage(argv[0]);
exit(1);
}
}
check_stop_daemons();
retval = config.parse_file();
if (retval) {
log_messages.printf(MSG_CRITICAL,
"Can't parse config.xml: %s\n", boincerror(retval)
);
exit(1);
}
retval = boinc_db.open(
config.db_name, config.db_host, config.db_user, config.db_passwd
);
if (retval) {
log_messages.printf(MSG_CRITICAL, "Can't open DB: %s\n",
boinc_db.error_string()
);
exit(1);
}
log_messages.printf(MSG_NORMAL, "Starting\n");
boinc_db.set_isolation_level(READ_UNCOMMITTED);
hri.init();
hri.scan_db();
hri.write_file();
log_messages.printf(MSG_NORMAL, "Finished\n");
}