mirror of https://github.com/BOINC/boinc.git
119 lines
3.1 KiB
C
119 lines
3.1 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, 2003
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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 <csignal>
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#include <cstdarg>
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#include <unistd.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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int debug_level = 0;
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inline const char* msg_level_dscription(int msg_level)
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{
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switch (msg_level) {
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case MSG_CRITICAL: return "CRITICAL";
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case MSG_NORMAL: return "NORMAL";
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case MSG_DEBUG: return "DEBUG";
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default: return "*** internal error; unknown msg_level ***";
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}
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}
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void write_log(int msg_level, const char* p, ...) {
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if (debug_level < msg_level) return;
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if (p == NULL) return;
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va_list ap;
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va_start(ap, p);
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fprintf(stderr, "%s [%s]: ", timestamp(), msg_level_dscription(msg_level));
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vfprintf(stderr, p, ap);
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va_end(ap);
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}
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void write_pid_file(const char* filename)
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{
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FILE* fpid = fopen(filename, "w");
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if (!fpid) {
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write_log(MSG_NORMAL, "Couldn't write pid\n");
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return;
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}
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fprintf(fpid, "%d\n", getpid());
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fclose(fpid);
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}
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void set_debug_level(int new_level) {
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debug_level = new_level;
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}
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// sig_int will be set to true if SIGINT is caught.
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bool sig_int = false;
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static void sigint_handler(int)
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{
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fprintf(stderr, "SIGINT\n");
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sig_int = true;
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}
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void install_sigint_handler()
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{
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signal(SIGINT, sigint_handler);
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// SIGINT is now default again so hitting ^C again will kill the program.
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}
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void check_stop_trigger() {
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if (sig_int) {
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write_log(MSG_CRITICAL, "Quitting due to SIGINT\n");
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exit(0);
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}
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FILE* f = fopen(STOP_TRIGGER_FILENAME, "r");
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if (f) {
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write_log(MSG_NORMAL, "Quitting due to stop trigger\n");
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exit(0);
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}
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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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