mirror of https://github.com/BOINC/boinc.git
102 lines
2.6 KiB
C
102 lines
2.6 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):
|
|
//
|
|
|
|
using namespace std;
|
|
|
|
#include <strings.h>
|
|
#include <csignal>
|
|
#include <unistd.h>
|
|
|
|
#include "parse.h"
|
|
#include "util.h"
|
|
#include "main.h"
|
|
#include "sched_util.h"
|
|
#include "server_types.h"
|
|
|
|
int debug_level = 0;
|
|
|
|
void write_log(char* p, int msg_level) {
|
|
if (msg_level <= debug_level)
|
|
fprintf(stderr, "%s: %s", timestamp(), p);
|
|
}
|
|
|
|
void write_pid_file(const char* filename)
|
|
{
|
|
FILE* fpid = fopen(filename, "w");
|
|
if (!fpid) {
|
|
write_log("Couldn't write pid\n", MSG_NORMAL);
|
|
return;
|
|
}
|
|
fprintf(fpid, "%d\n", getpid());
|
|
fclose(fpid);
|
|
}
|
|
|
|
void set_debug_level(int new_level) {
|
|
debug_level = new_level;
|
|
}
|
|
|
|
// sig_int will be set to true if SIGINT is caught.
|
|
bool sig_int = false;
|
|
static void sigint_handler(int)
|
|
{
|
|
fprintf(stderr, "SIGINT\n");
|
|
sig_int = true;
|
|
}
|
|
|
|
void install_sigint_handler()
|
|
{
|
|
signal(SIGINT, sigint_handler);
|
|
// SIGINT is now default again so hitting ^C again will kill the program.
|
|
}
|
|
|
|
void check_stop_trigger() {
|
|
if (sig_int) {
|
|
write_log("Quitting due to SIGINT\n", MSG_CRITICAL);
|
|
exit(0);
|
|
}
|
|
FILE* f = fopen(STOP_TRIGGER_FILENAME, "r");
|
|
if (f) {
|
|
write_log("Quitting due to stop trigger\n", MSG_NORMAL);
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
|
|
// update an exponential average of credit per second.
|
|
//
|
|
void update_average(double credit_assigned_time, double credit, double& avg, double& avg_time) {
|
|
time_t now = time(0);
|
|
|
|
// decrease existing average according to how long it's been
|
|
// since it was computed
|
|
//
|
|
if (avg_time) {
|
|
double deltat = now - avg_time;
|
|
avg *= exp(-deltat*ALPHA);
|
|
}
|
|
if (credit_assigned_time) {
|
|
double deltat = now - credit_assigned_time;
|
|
// Add (credit)/(number of days to return result) to credit, which
|
|
// is the average number of cobblestones per day
|
|
avg += credit/(deltat/86400);
|
|
}
|
|
avg_time = now;
|
|
}
|
|
|