/usr/include/torrent/tracker.h is in libtorrent-dev 0.13.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 | // libTorrent - BitTorrent library
// Copyright (C) 2005-2011, Jari Sundell
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// In addition, as a special exception, the copyright holders give
// permission to link the code of portions of this program with the
// OpenSSL library under certain conditions as described in each
// individual source file, and distribute linked combinations
// including the two.
//
// You must obey the GNU General Public License in all respects for
// all of the code used other than OpenSSL. If you modify file(s)
// with this exception, you may extend this exception to your version
// of the file(s), but you are not obligated to do so. If you do not
// wish to do so, delete this exception statement from your version.
// If you delete this exception statement from all source files in the
// program, then also delete it here.
//
// Contact: Jari Sundell <jaris@ifi.uio.no>
//
// Skomakerveien 33
// 3185 Skoppum, NORWAY
#ifndef LIBTORRENT_TRACKER_H
#define LIBTORRENT_TRACKER_H
#include <string>
#include <inttypes.h>
#include <torrent/common.h>
namespace torrent {
class AddressList;
class TrackerList;
class LIBTORRENT_EXPORT Tracker {
public:
friend class TrackerList;
typedef enum {
TRACKER_NONE,
TRACKER_HTTP,
TRACKER_UDP,
TRACKER_DHT,
} Type;
enum tracker_event {
EVENT_NONE,
EVENT_COMPLETED,
EVENT_STARTED,
EVENT_STOPPED,
EVENT_SCRAPE
};
static const int flag_enabled = 0x1;
static const int flag_extra_tracker = 0x2;
static const int flag_can_scrape = 0x4;
static const int max_flag_size = 0x10;
static const int mask_base_flags = 0x10 - 1;
virtual ~Tracker() {}
int flags() const { return m_flags; }
bool is_enabled() const { return (m_flags & flag_enabled); }
bool is_extra_tracker() const { return (m_flags & flag_extra_tracker); }
bool is_in_use() const { return is_enabled() && m_success_counter != 0; }
bool can_scrape() const { return (m_flags & flag_can_scrape); }
virtual bool is_busy() const = 0;
bool is_busy_not_scrape() const { return m_latest_event != EVENT_SCRAPE && is_busy(); }
virtual bool is_usable() const { return is_enabled(); }
bool can_request_state() const;
void enable();
void disable();
TrackerList* parent() { return m_parent; }
uint32_t group() const { return m_group; }
virtual Type type() const = 0;
const std::string& url() const { return m_url; }
void set_url(const std::string& url) { m_url = url; }
const std::string& tracker_id() const { return m_tracker_id; }
void set_tracker_id(const std::string& id) { m_tracker_id = id; }
uint32_t normal_interval() const { return m_normal_interval; }
uint32_t min_interval() const { return m_min_interval; }
int latest_event() const { return m_latest_event; }
uint32_t latest_new_peers() const { return m_latest_new_peers; }
uint32_t latest_sum_peers() const { return m_latest_sum_peers; }
uint32_t success_time_next() const;
uint32_t success_time_last() const { return m_success_time_last; }
uint32_t success_counter() const { return m_success_counter; }
uint32_t failed_time_next() const;
uint32_t failed_time_last() const { return m_failed_time_last; }
uint32_t failed_counter() const { return m_failed_counter; }
uint32_t activity_time_last() const { return failed_counter() ? m_failed_time_last : m_success_time_last; }
uint32_t activity_time_next() const { return failed_counter() ? failed_time_next() : success_time_next(); }
uint32_t scrape_time_last() const { return m_scrape_time_last; }
uint32_t scrape_counter() const { return m_scrape_counter; }
uint32_t scrape_complete() const { return m_scrape_complete; }
uint32_t scrape_incomplete() const { return m_scrape_incomplete; }
uint32_t scrape_downloaded() const { return m_scrape_downloaded; }
virtual void get_status(char* buffer, int length) { buffer[0] = 0; }
static std::string scrape_url_from(std::string url);
protected:
Tracker(TrackerList* parent, const std::string& url, int flags = 0);
Tracker(const Tracker& t);
void operator = (const Tracker& t);
virtual void send_state(int state) = 0;
virtual void send_scrape();
virtual void close() = 0;
virtual void disown() = 0;
// Safeguard to catch bugs that lead to hammering of trackers.
void inc_request_counter();
void clear_stats();
void set_group(uint32_t v) { m_group = v; }
void set_normal_interval(int v) { m_normal_interval = std::min(std::max(600, v), 3600); }
void set_min_interval(int v) { m_min_interval = std::min(std::max(300, v), 1800); }
int m_flags;
TrackerList* m_parent;
uint32_t m_group;
std::string m_url;
std::string m_tracker_id;
uint32_t m_normal_interval;
uint32_t m_min_interval;
int m_latest_event;
uint32_t m_latest_new_peers;
uint32_t m_latest_sum_peers;
uint32_t m_success_time_last;
uint32_t m_success_counter;
uint32_t m_failed_time_last;
uint32_t m_failed_counter;
uint32_t m_scrape_time_last;
uint32_t m_scrape_counter;
uint32_t m_scrape_complete;
uint32_t m_scrape_incomplete;
uint32_t m_scrape_downloaded;
// Timing of the last request, and a counter for how many requests
// there's been in the recent past.
uint32_t m_request_time_last;
uint32_t m_request_counter;
};
inline bool
Tracker::can_request_state() const {
return !(is_busy() && latest_event() != EVENT_SCRAPE) && is_usable();
}
}
#endif
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