boinc/client/net_stats.h

60 lines
1.7 KiB
C++

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This 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 2.1 of the License, or (at your option) any later version.
//
// This software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// keep track of the network performance of this host,
// namely exponentially weighted averages of upload and download speeds
//
#ifndef _NET_STATS_
#define _NET_STATS_
#ifndef _WIN32
#include <cstdio>
#endif
#include "miofile.h"
// there's one of these each for upload and download
//
struct NET_INFO {
double delta_t; // elapsed time of file transfer activity
// in this session of client
double delta_nbytes; // bytes transferred in this session
double last_bytes;
double starting_throughput; // throughput at start of session
void update(double dt, double nb, bool active);
double throughput();
};
class NET_STATS {
public:
double last_time;
NET_INFO up;
NET_INFO down;
NET_STATS();
void poll(FILE_XFER_SET&, HTTP_OP_SET&);
int write(MIOFILE&);
int parse(MIOFILE&);
};
#endif