forked from premiere/premiere-libtorrent
290 lines
8.0 KiB
C++
290 lines
8.0 KiB
C++
/*
|
|
|
|
Copyright (c) 2003-2016, Arvid Norberg
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the author nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#ifndef TORRENT_STAT_HPP_INCLUDED
|
|
#define TORRENT_STAT_HPP_INCLUDED
|
|
|
|
#include <algorithm>
|
|
#include <vector>
|
|
#include <assert.h>
|
|
#include <cstring>
|
|
#include <limits>
|
|
#include <boost/cstdint.hpp>
|
|
|
|
#include "libtorrent/invariant_check.hpp"
|
|
#include "libtorrent/config.hpp"
|
|
#include "libtorrent/assert.hpp"
|
|
|
|
namespace libtorrent
|
|
{
|
|
class TORRENT_EXTRA_EXPORT stat_channel
|
|
{
|
|
public:
|
|
|
|
stat_channel()
|
|
: m_total_counter(0)
|
|
, m_counter(0)
|
|
, m_5_sec_average(0)
|
|
{}
|
|
|
|
void operator+=(stat_channel const& s)
|
|
{
|
|
TORRENT_ASSERT(m_counter < (std::numeric_limits<boost::uint32_t>::max)() - s.m_counter);
|
|
m_counter += s.m_counter;
|
|
TORRENT_ASSERT(m_total_counter < (std::numeric_limits<boost::uint64_t>::max)() - s.m_counter);
|
|
m_total_counter += s.m_counter;
|
|
}
|
|
|
|
void add(int count)
|
|
{
|
|
TORRENT_ASSERT(count >= 0);
|
|
|
|
TORRENT_ASSERT(m_counter < (std::numeric_limits<boost::uint32_t>::max)() - count);
|
|
m_counter += count;
|
|
TORRENT_ASSERT(m_total_counter < (std::numeric_limits<boost::uint64_t>::max)() - count);
|
|
m_total_counter += count;
|
|
}
|
|
|
|
// should be called once every second
|
|
void second_tick(int tick_interval_ms);
|
|
int rate() const { return m_5_sec_average; }
|
|
int low_pass_rate() const { return m_5_sec_average; }
|
|
|
|
boost::int64_t total() const { return m_total_counter; }
|
|
|
|
void offset(boost::int64_t c)
|
|
{
|
|
TORRENT_ASSERT(m_total_counter < (std::numeric_limits<boost::uint64_t>::max)() - c);
|
|
m_total_counter += c;
|
|
}
|
|
|
|
int counter() const { return m_counter; }
|
|
|
|
void clear()
|
|
{
|
|
m_counter = 0;
|
|
m_5_sec_average = 0;
|
|
m_total_counter = 0;
|
|
}
|
|
|
|
private:
|
|
|
|
// total counters
|
|
boost::uint64_t m_total_counter;
|
|
|
|
// the accumulator for this second.
|
|
boost::uint32_t m_counter;
|
|
|
|
// sliding average
|
|
boost::uint32_t m_5_sec_average;
|
|
};
|
|
|
|
class TORRENT_EXTRA_EXPORT stat
|
|
{
|
|
friend class invariant_access;
|
|
public:
|
|
void operator+=(const stat& s)
|
|
{
|
|
for (int i = 0; i < num_channels; ++i)
|
|
m_stat[i] += s.m_stat[i];
|
|
}
|
|
|
|
void sent_syn(bool ipv6)
|
|
{
|
|
m_stat[upload_ip_protocol].add(ipv6 ? 60 : 40);
|
|
}
|
|
|
|
void received_synack(bool ipv6)
|
|
{
|
|
// we received SYN-ACK and also sent ACK back
|
|
m_stat[download_ip_protocol].add(ipv6 ? 60 : 40);
|
|
m_stat[upload_ip_protocol].add(ipv6 ? 60 : 40);
|
|
}
|
|
|
|
void received_bytes(int bytes_payload, int bytes_protocol)
|
|
{
|
|
TORRENT_ASSERT(bytes_payload >= 0);
|
|
TORRENT_ASSERT(bytes_protocol >= 0);
|
|
|
|
m_stat[download_payload].add(bytes_payload);
|
|
m_stat[download_protocol].add(bytes_protocol);
|
|
}
|
|
|
|
void sent_bytes(int bytes_payload, int bytes_protocol)
|
|
{
|
|
TORRENT_ASSERT(bytes_payload >= 0);
|
|
TORRENT_ASSERT(bytes_protocol >= 0);
|
|
|
|
m_stat[upload_payload].add(bytes_payload);
|
|
m_stat[upload_protocol].add(bytes_protocol);
|
|
}
|
|
|
|
// and IP packet was received or sent
|
|
// account for the overhead caused by it
|
|
void trancieve_ip_packet(int bytes_transferred, bool ipv6)
|
|
{
|
|
// one TCP/IP packet header for the packet
|
|
// sent or received, and one for the ACK
|
|
// The IPv4 header is 20 bytes
|
|
// and IPv6 header is 40 bytes
|
|
const int header = (ipv6 ? 40 : 20) + 20;
|
|
const int mtu = 1500;
|
|
const int packet_size = mtu - header;
|
|
const int overhead = (std::max)(1, (bytes_transferred + packet_size - 1) / packet_size) * header;
|
|
m_stat[download_ip_protocol].add(overhead);
|
|
m_stat[upload_ip_protocol].add(overhead);
|
|
}
|
|
|
|
int upload_ip_overhead() const { return m_stat[upload_ip_protocol].counter(); }
|
|
int download_ip_overhead() const { return m_stat[download_ip_protocol].counter(); }
|
|
|
|
// should be called once every second
|
|
void second_tick(int tick_interval_ms)
|
|
{
|
|
for (int i = 0; i < num_channels; ++i)
|
|
m_stat[i].second_tick(tick_interval_ms);
|
|
}
|
|
|
|
int low_pass_upload_rate() const
|
|
{
|
|
return m_stat[upload_payload].low_pass_rate()
|
|
+ m_stat[upload_protocol].low_pass_rate()
|
|
+ m_stat[upload_ip_protocol].low_pass_rate();
|
|
}
|
|
|
|
int low_pass_download_rate() const
|
|
{
|
|
return m_stat[download_payload].low_pass_rate()
|
|
+ m_stat[download_protocol].low_pass_rate()
|
|
+ m_stat[download_ip_protocol].low_pass_rate();
|
|
}
|
|
|
|
int upload_rate() const
|
|
{
|
|
return m_stat[upload_payload].rate()
|
|
+ m_stat[upload_protocol].rate()
|
|
+ m_stat[upload_ip_protocol].rate();
|
|
}
|
|
|
|
int download_rate() const
|
|
{
|
|
return m_stat[download_payload].rate()
|
|
+ m_stat[download_protocol].rate()
|
|
+ m_stat[download_ip_protocol].rate();
|
|
}
|
|
|
|
boost::int64_t total_upload() const
|
|
{
|
|
return m_stat[upload_payload].total()
|
|
+ m_stat[upload_protocol].total()
|
|
+ m_stat[upload_ip_protocol].total();
|
|
}
|
|
|
|
boost::int64_t total_download() const
|
|
{
|
|
return m_stat[download_payload].total()
|
|
+ m_stat[download_protocol].total()
|
|
+ m_stat[download_ip_protocol].total();
|
|
}
|
|
|
|
int upload_payload_rate() const
|
|
{ return m_stat[upload_payload].rate(); }
|
|
int download_payload_rate() const
|
|
{ return m_stat[download_payload].rate(); }
|
|
|
|
boost::int64_t total_payload_upload() const
|
|
{ return m_stat[upload_payload].total(); }
|
|
boost::int64_t total_payload_download() const
|
|
{ return m_stat[download_payload].total(); }
|
|
|
|
boost::int64_t total_protocol_upload() const
|
|
{ return m_stat[upload_protocol].total(); }
|
|
boost::int64_t total_protocol_download() const
|
|
{ return m_stat[download_protocol].total(); }
|
|
|
|
boost::int64_t total_transfer(int channel) const
|
|
{ return m_stat[channel].total(); }
|
|
int transfer_rate(int channel) const
|
|
{ return m_stat[channel].rate(); }
|
|
|
|
// this is used to offset the statistics when a
|
|
// peer_connection is opened and have some previous
|
|
// transfers from earlier connections.
|
|
void add_stat(boost::int64_t downloaded, boost::int64_t uploaded)
|
|
{
|
|
m_stat[download_payload].offset(downloaded);
|
|
m_stat[upload_payload].offset(uploaded);
|
|
}
|
|
|
|
int last_payload_downloaded() const
|
|
{ return m_stat[download_payload].counter(); }
|
|
int last_payload_uploaded() const
|
|
{ return m_stat[upload_payload].counter(); }
|
|
int last_protocol_downloaded() const
|
|
{ return m_stat[download_protocol].counter(); }
|
|
int last_protocol_uploaded() const
|
|
{ return m_stat[upload_protocol].counter(); }
|
|
|
|
// these are the channels we keep stats for
|
|
enum
|
|
{
|
|
upload_payload,
|
|
upload_protocol,
|
|
download_payload,
|
|
download_protocol,
|
|
upload_ip_protocol,
|
|
download_ip_protocol,
|
|
num_channels
|
|
};
|
|
|
|
void clear()
|
|
{
|
|
for (int i = 0; i < num_channels; ++i)
|
|
m_stat[i].clear();
|
|
}
|
|
|
|
stat_channel const& operator[](int i) const
|
|
{
|
|
TORRENT_ASSERT(i >= 0 && i < num_channels);
|
|
return m_stat[i];
|
|
}
|
|
|
|
private:
|
|
|
|
stat_channel m_stat[num_channels];
|
|
};
|
|
|
|
}
|
|
|
|
#endif // TORRENT_STAT_HPP_INCLUDED
|
|
|