boinc/client/time_stats.h

75 lines
2.3 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/>.
#ifndef _TIME_STATS_
#define _TIME_STATS_
#include "miofile.h"
#include <vector>
class TIME_STATS {
bool first;
int previous_connected_state;
public:
double last_update;
// we maintain an exponentially weighted average of these quantities:
double on_frac;
// the fraction of total time this host runs the client
double connected_frac;
// of the time this host runs the client,
// the fraction it is connected to the Internet,
// or -1 if not known
double cpu_and_network_available_frac;
// of the time this host runs the client,
// the fraction it is connected to the Internet
// AND network usage is allowed (by prefs and user toggle)
// AND CPU usage is allowed
double active_frac;
// of the time this host runs the client,
// the fraction it is enabled to use CPU
// (as determined by preferences, manual suspend/resume, etc.)
double gpu_active_frac;
// same, GPU
FILE* time_stats_log;
double inactive_start;
void update(int suspend_reason, int gpu_suspend_reason);
TIME_STATS();
int write(MIOFILE&, bool to_server);
int parse(XML_PARSER&);
double availability_frac(int rsc_type) {
double x;
if (rsc_type == 0) {
x = on_frac*active_frac;
} else {
x = on_frac*gpu_active_frac;
}
return x>0?x:1;
}
void log_append(const char*, double);
void log_append_net(int);
void trim_stats_log();
void get_log_after(double, MIOFILE&);
void start();
void quit();
};
#endif