mirror of https://github.com/BOINC/boinc.git
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
// The contents of this file are subject to the Mozilla Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://www.mozilla.org/MPL/
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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using namespace std;
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#include <strings.h>
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#include "parse.h"
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#include "util.h"
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#include "main.h"
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#include "sched_util.h"
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#include "server_types.h"
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void write_log(char* p) {
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fprintf(stderr, "%s: %s", timestamp(), p);
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}
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void check_stop_trigger() {
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FILE* f = fopen(STOP_TRIGGER_FILENAME, "r");
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if (!f) return;
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exit(0);
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}
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// fill in the nusers, total_credit and expavg_credit fields
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// of the team table.
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// This may take a while; don't do it often
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//
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int update_teams() {
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TEAM team;
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int retval;
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while (!db_team_enum(team)) {
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retval = get_team_credit(team);
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if (retval) return retval;
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// update the team record
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retval = db_team_update(team);
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if (retval) return retval;
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}
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return 0;
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}
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int get_team_credit(TEAM &t) {
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int nusers;
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double expavg_credit, total_credit;
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int retval;
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// count the number of users on a team
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retval = db_user_count_team(t, nusers);
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if (retval) return retval;
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// get the summed credit values for a team
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retval = db_user_sum_team_expavg_credit(t, expavg_credit);
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if (retval) return retval;
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retval = db_user_sum_team_total_credit(t, total_credit);
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if (retval) return retval;
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t.nusers = nusers;
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t.total_credit = total_credit;
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t.expavg_credit = expavg_credit;
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return 0;
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}
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// update an exponential average of credit per second.
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//
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void update_average(double credit_assigned_time, double credit, double& avg, double& avg_time) {
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time_t now = time(0);
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// decrease existing average according to how long it's been
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// since it was computed
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//
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if (avg_time) {
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double deltat = now - avg_time;
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avg *= exp(-deltat*ALPHA);
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}
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if (credit_assigned_time) {
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double deltat = now - credit_assigned_time;
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// Add (credit)/(number of days to return result) to credit, which
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// is the average number of cobblestones per day
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avg += credit/(deltat/86400);
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}
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avg_time = now;
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}
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