boinc/sched/update_stats.C

186 lines
4.8 KiB
C

// The contents of this file are subject to the Mozilla Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002, 2003
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
// update_stats: update exponential average credit for users and hosts,
// and calculate total users/credit for teams
//
// usage: update_stats [-update_teams] [-update_users] [-update_hosts] [-asynch]
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "boinc_db.h"
#include "util.h"
#include "config.h"
#include "sched_util.h"
#define LOCKFILE "update_stats.out"
#define PIDFILE "update_stats.pid"
int update_users() {
DB_USER user;
int retval;
while (!user.enumerate()) {
update_average(0, 0, user.expavg_credit, user.expavg_time);
retval = user.update();
if (retval) return retval;
}
return 0;
}
int update_hosts() {
DB_HOST host;
int retval;
while (!host.enumerate()) {
update_average(0, 0, host.expavg_credit, host.expavg_time);
retval = host.update();
if (retval) return retval;
}
return 0;
}
int get_team_credit(TEAM& team) {
int nusers;
double expavg_credit, total_credit;
int retval;
DB_USER user;
char buf[256];
// count the number of users on a team
//
sprintf(buf, "where teamid=%d", team.id);
retval = user.count(nusers, buf);
if (retval) return retval;
// get the summed credit values for a team
sprintf(buf, "where teamid=%d", team.id);
retval = user.sum(expavg_credit, "expavg_credit", buf);
if (retval) return retval;
retval = user.sum(total_credit, "total_credit", buf);
if (retval) return retval;
team.nusers = nusers;
team.total_credit = total_credit;
team.expavg_credit = expavg_credit;
return 0;
}
// fill in the nusers, total_credit and expavg_credit fields
// of the team table.
// This may take a while; don't do it often
//
int update_teams() {
DB_TEAM team;
int retval;
while (!team.enumerate()) {
retval = get_team_credit(team);
if (retval) return retval;
// update the team record
retval = team.update();
if (retval) return retval;
}
return 0;
}
int main(int argc, char** argv) {
CONFIG config;
int retval, i;
bool do_update_teams = false, do_update_users = false;
bool do_update_hosts = false, asynch = false;
char buf[256];
check_stop_trigger();
for (i=1; i<argc; i++) {
if (!strcmp(argv[i], "-update_teams")) {
do_update_teams = true;
} else if (!strcmp(argv[i], "-update_users")) {
do_update_users = true;
} else if (!strcmp(argv[i], "-update_hosts")) {
do_update_hosts = true;
} else if (!strcmp(argv[i], "-d")) {
set_debug_level(atoi(argv[++i]));
} else if (!strcmp(argv[i], "-asynch")) {
asynch = true;
} else {
sprintf(buf, "Unrecognized arg: %s\n", argv[i]);
write_log(buf, MSG_CRITICAL);
}
}
if (asynch) {
if (fork()) {
exit(0);
}
}
// Call lock_file after fork(), because file locks are not always inherited
if (lock_file(LOCKFILE)) {
write_log("Another copy of update_stats is already running\n", MSG_NORMAL);
exit(1);
}
write_pid_file(PIDFILE);
retval = config.parse_file();
if (retval) {
fprintf(stderr, "Can't parse config file\n");
exit(1);
}
retval = boinc_db_open(config.db_name, config.db_passwd);
if (retval) {
fprintf(stderr, "Can't open DB\n");
exit(1);
}
if (do_update_users) {
retval = update_users();
if (retval) {
fprintf(stderr, "update_users failed: %d\n", retval);
exit(1);
}
}
if (do_update_hosts) {
retval = update_hosts();
if (retval) {
fprintf(stderr, "update_hosts failed: %d\n", retval);
exit(1);
}
}
if (do_update_teams) {
retval = update_teams();
if (retval) {
fprintf(stderr, "update_teams failed: %d\n", retval);
exit(1);
}
}
return 0;
}