242 lines
6.7 KiB
C
242 lines
6.7 KiB
C
/*
|
|
* This file Copyright (C) Mnemosyne LLC
|
|
*
|
|
* This file is licensed by the GPL version 2. Works owned by the
|
|
* Transmission project are granted a special exemption to clause 2 (b)
|
|
* so that the bulk of its code can remain under the MIT license.
|
|
* This exemption does not extend to derived works not owned by
|
|
* the Transmission project.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef __LIBTRANSMISSION_ANNOUNCER_MODULE___
|
|
#error only the libtransmission announcer module should #include this header.
|
|
#endif
|
|
|
|
#ifndef _TR_ANNOUNCER_COMMON_H_
|
|
#define _TR_ANNOUNCER_COMMON_H_
|
|
|
|
#include "transmission.h" /* SHA_DIGEST_LENGTH */
|
|
#include "session.h" /* PEER_ID_LEN */
|
|
|
|
/***
|
|
**** SCRAPE
|
|
***/
|
|
|
|
enum
|
|
{
|
|
/* 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 */
|
|
TR_MULTISCRAPE_MAX = 64
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
/* the scrape URL */
|
|
char * url;
|
|
|
|
/* the name to use when deep logging is enabled */
|
|
char log_name[128];
|
|
|
|
/* info hashes of the torrents to scrape */
|
|
uint8_t info_hash[TR_MULTISCRAPE_MAX][SHA_DIGEST_LENGTH];
|
|
|
|
/* how many hashes to use in the info_hash field */
|
|
int info_hash_count;
|
|
}
|
|
tr_scrape_request;
|
|
|
|
struct tr_scrape_response_row
|
|
{
|
|
/* the torrent's info_hash */
|
|
uint8_t info_hash[SHA_DIGEST_LENGTH];
|
|
|
|
/* 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;
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
/* 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 */
|
|
char * url;
|
|
|
|
/* human-readable error string on failure, or NULL */
|
|
char * errmsg;
|
|
|
|
/* minimum interval (in seconds) allowed between scrapes.
|
|
* this is an unofficial extension that some trackers won't support. */
|
|
int min_request_interval;
|
|
}
|
|
tr_scrape_response;
|
|
|
|
typedef void tr_scrape_response_func (const tr_scrape_response * response,
|
|
void * user_data);
|
|
|
|
void tr_tracker_http_scrape (tr_session * session,
|
|
const tr_scrape_request * req,
|
|
tr_scrape_response_func response_func,
|
|
void * user_data);
|
|
|
|
void tr_tracker_udp_scrape (tr_session * session,
|
|
const tr_scrape_request * req,
|
|
tr_scrape_response_func response_func,
|
|
void * user_data);
|
|
|
|
/***
|
|
**** ANNOUNCE
|
|
***/
|
|
|
|
typedef enum
|
|
{
|
|
TR_ANNOUNCE_EVENT_NONE,
|
|
TR_ANNOUNCE_EVENT_COMPLETED,
|
|
TR_ANNOUNCE_EVENT_STARTED,
|
|
TR_ANNOUNCE_EVENT_STOPPED
|
|
}
|
|
tr_announce_event;
|
|
|
|
const char * tr_announce_event_get_string (tr_announce_event);
|
|
|
|
typedef struct
|
|
{
|
|
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 */
|
|
char * 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. */
|
|
char peer_id[PEER_ID_LEN];
|
|
|
|
/* the torrent's info_hash */
|
|
uint8_t info_hash[SHA_DIGEST_LENGTH];
|
|
|
|
/* the name to use when deep logging is enabled */
|
|
char log_name[128];
|
|
}
|
|
tr_announce_request;
|
|
|
|
struct tr_pex;
|
|
|
|
typedef struct
|
|
{
|
|
/* the torrent's info hash */
|
|
uint8_t info_hash[SHA_DIGEST_LENGTH];
|
|
|
|
/* 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 NULL */
|
|
char * errmsg;
|
|
|
|
/* human-readable warning string or NULL */
|
|
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;
|
|
}
|
|
tr_announce_response;
|
|
|
|
typedef void tr_announce_response_func (const tr_announce_response * response,
|
|
void * userdata);
|
|
|
|
void tr_tracker_http_announce (tr_session * session,
|
|
const tr_announce_request * req,
|
|
tr_announce_response_func response_func,
|
|
void * user_data);
|
|
|
|
void tr_tracker_udp_announce (tr_session * session,
|
|
const tr_announce_request * req,
|
|
tr_announce_response_func response_func,
|
|
void * user_data);
|
|
|
|
void tr_tracker_udp_start_shutdown (tr_session * session);
|
|
|
|
#endif /* _TR_ANNOUNCER_COMMON_H_ */
|