258 lines
6.5 KiB
C++
258 lines
6.5 KiB
C++
/*
|
|
* This file Copyright (C) 2010-2014 Mnemosyne LLC
|
|
*
|
|
* It may be used under the GNU GPL versions 2 or 3
|
|
* or any future license endorsed by Mnemosyne LLC.
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#ifndef LIBTRANSMISSION_ANNOUNCER_MODULE
|
|
#error only the libtransmission announcer module should #include this header.
|
|
#endif
|
|
|
|
#include <array>
|
|
#include <string>
|
|
|
|
#include "transmission.h"
|
|
#include "quark.h"
|
|
#include "web-utils.h"
|
|
|
|
/***
|
|
**** SCRAPE
|
|
***/
|
|
|
|
/* pick a number small enough for common tracker software:
|
|
* - ocelot has no upper bound
|
|
* - opentracker has an upper bound of 64
|
|
* - udp protocol has an upper bound of 74
|
|
* - xbtt has no upper bound
|
|
*
|
|
* This is only an upper bound: if the tracker complains about
|
|
* length, announcer will incrementally lower the batch size.
|
|
*/
|
|
auto inline constexpr TR_MULTISCRAPE_MAX = 60;
|
|
|
|
struct tr_scrape_request
|
|
{
|
|
/* the scrape URL */
|
|
tr_quark scrape_url;
|
|
|
|
/* the name to use when deep logging is enabled */
|
|
char log_name[128];
|
|
|
|
/* info hashes of the torrents to scrape */
|
|
std::array<tr_sha1_digest_t, TR_MULTISCRAPE_MAX> info_hash;
|
|
|
|
/* how many hashes to use in the info_hash field */
|
|
int info_hash_count;
|
|
};
|
|
|
|
struct tr_scrape_response_row
|
|
{
|
|
/* the torrent's info_hash */
|
|
tr_sha1_digest_t info_hash;
|
|
|
|
/* how many peers are seeding this torrent */
|
|
int seeders;
|
|
|
|
/* how many peers are downloading this torrent */
|
|
int leechers;
|
|
|
|
/* how many times this torrent has been downloaded */
|
|
int downloads;
|
|
|
|
/* the number of active downloaders in the swarm.
|
|
* this is a BEP 21 extension that some trackers won't support.
|
|
* http://www.bittorrent.org/beps/bep_0021.html#tracker-scrapes */
|
|
int downloaders;
|
|
};
|
|
|
|
struct tr_scrape_response
|
|
{
|
|
/* whether or not we managed to connect to the tracker */
|
|
bool did_connect;
|
|
|
|
/* whether or not the scrape timed out */
|
|
bool did_timeout;
|
|
|
|
/* how many info hashes are in the 'rows' field */
|
|
int row_count;
|
|
|
|
/* the individual torrents' scrape results */
|
|
struct tr_scrape_response_row rows[TR_MULTISCRAPE_MAX];
|
|
|
|
/* the raw scrape url */
|
|
tr_quark scrape_url;
|
|
|
|
/* human-readable error string on failure, or nullptr */
|
|
std::string errmsg;
|
|
|
|
/* minimum interval (in seconds) allowed between scrapes.
|
|
* this is an unofficial extension that some trackers won't support. */
|
|
int min_request_interval;
|
|
};
|
|
|
|
using tr_scrape_response_func = void (*)(tr_scrape_response const* response, void* user_data);
|
|
|
|
void tr_tracker_http_scrape(
|
|
tr_session* session,
|
|
tr_scrape_request const* req,
|
|
tr_scrape_response_func response_func,
|
|
void* user_data);
|
|
|
|
void tr_tracker_udp_scrape(
|
|
tr_session* session,
|
|
tr_scrape_request const* req,
|
|
tr_scrape_response_func response_func,
|
|
void* user_data);
|
|
|
|
/***
|
|
**** ANNOUNCE
|
|
***/
|
|
|
|
enum tr_announce_event
|
|
{
|
|
/* Note: the ordering of this enum's values is important to
|
|
* announcer.c's tr_tier.announce_event_priority. If changing
|
|
* the enum, ensure announcer.c is compatible with the change. */
|
|
TR_ANNOUNCE_EVENT_NONE,
|
|
TR_ANNOUNCE_EVENT_STARTED,
|
|
TR_ANNOUNCE_EVENT_COMPLETED,
|
|
TR_ANNOUNCE_EVENT_STOPPED,
|
|
};
|
|
|
|
char const* tr_announce_event_get_string(tr_announce_event);
|
|
|
|
struct tr_announce_request
|
|
{
|
|
tr_announce_event event;
|
|
bool partial_seed;
|
|
|
|
/* the port we listen for incoming peers on */
|
|
int port;
|
|
|
|
/* per-session key */
|
|
int key;
|
|
|
|
/* the number of peers we'd like to get back in the response */
|
|
int numwant;
|
|
|
|
/* the number of bytes we uploaded since the last 'started' event */
|
|
uint64_t up;
|
|
|
|
/* the number of good bytes we downloaded since the last 'started' event */
|
|
uint64_t down;
|
|
|
|
/* the number of bad bytes we downloaded since the last 'started' event */
|
|
uint64_t corrupt;
|
|
|
|
/* the total size of the torrent minus the number of bytes completed */
|
|
uint64_t leftUntilComplete;
|
|
|
|
/* the tracker's announce URL */
|
|
tr_quark announce_url;
|
|
|
|
/* key generated by and returned from an http tracker.
|
|
* see tr_announce_response.tracker_id_str */
|
|
char* tracker_id_str;
|
|
|
|
/* the torrent's peer id.
|
|
* this changes when a torrent is stopped -> restarted. */
|
|
tr_peer_id_t peer_id;
|
|
|
|
/* the torrent's info_hash */
|
|
tr_sha1_digest_t info_hash;
|
|
|
|
/* the name to use when deep logging is enabled */
|
|
char log_name[128];
|
|
};
|
|
|
|
struct tr_pex;
|
|
|
|
struct tr_announce_response
|
|
{
|
|
/* the torrent's info hash */
|
|
tr_sha1_digest_t info_hash;
|
|
|
|
/* whether or not we managed to connect to the tracker */
|
|
bool did_connect;
|
|
|
|
/* whether or not the scrape timed out */
|
|
bool did_timeout;
|
|
|
|
/* preferred interval between announces.
|
|
* transmission treats this as the interval for periodic announces */
|
|
int interval;
|
|
|
|
/* minimum interval between announces. (optional)
|
|
* transmission treats this as the min interval for manual announces */
|
|
int min_interval;
|
|
|
|
/* how many peers are seeding this torrent */
|
|
int seeders;
|
|
|
|
/* how many peers are downloading this torrent */
|
|
int leechers;
|
|
|
|
/* how many times this torrent has been downloaded */
|
|
int downloads;
|
|
|
|
/* number of items in the 'pex' field */
|
|
size_t pex_count;
|
|
|
|
/* IPv4 peers that we acquired from the tracker */
|
|
struct tr_pex* pex;
|
|
|
|
/* number of items in the 'pex6' field */
|
|
size_t pex6_count;
|
|
|
|
/* IPv6 peers that we acquired from the tracker */
|
|
struct tr_pex* pex6;
|
|
|
|
/* human-readable error string on failure, or nullptr */
|
|
char* errmsg;
|
|
|
|
/* human-readable warning string or nullptr */
|
|
char* warning;
|
|
|
|
/* key generated by and returned from an http tracker.
|
|
* if this is provided, subsequent http announces must include this. */
|
|
char* tracker_id_str;
|
|
};
|
|
|
|
using tr_announce_response_func = void (*)(tr_announce_response const* response, void* userdata);
|
|
|
|
void tr_tracker_http_announce(
|
|
tr_session* session,
|
|
tr_announce_request const* req,
|
|
tr_announce_response_func response_func,
|
|
void* user_data);
|
|
|
|
void tr_tracker_udp_announce(
|
|
tr_session* session,
|
|
tr_announce_request const* req,
|
|
tr_announce_response_func response_func,
|
|
void* user_data);
|
|
|
|
void tr_tracker_udp_start_shutdown(tr_session* session);
|
|
|
|
tr_quark tr_announcerGetKey(tr_url_parsed_t const& parsed);
|
|
|
|
inline tr_quark tr_announcerGetKey(std::string_view url)
|
|
{
|
|
auto const parsed = tr_urlParseTracker(url);
|
|
if (!parsed)
|
|
{
|
|
return TR_KEY_NONE;
|
|
}
|
|
|
|
return tr_announcerGetKey(*parsed);
|
|
}
|
|
|
|
inline tr_quark tr_announcerGetKey(tr_quark url)
|
|
{
|
|
return tr_announcerGetKey(tr_quark_get_string_view(url));
|
|
}
|