boinc/client/net_stats.h

56 lines
1.6 KiB
C++

// The contents of this file are subject to the BOINC 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://boinc.berkeley.edu/license_1.0.txt
//
// 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
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
// keep track of the network performance of this host,
// namely exponentially weighted averages of upload and download speeds
//
#ifndef _WIN32
#include <stdio.h>
#endif
#include "net_xfer.h"
#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(NET_XFER_SET&);
int write(MIOFILE&, bool to_server);
int parse(MIOFILE&);
};