mirror of
https://github.com/transmission/transmission
synced 2024-12-23 16:24:02 +00:00
238 lines
6.3 KiB
C
238 lines
6.3 KiB
C
/*
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* This file Copyright (C) 2010-2014 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#ifndef __LIBTRANSMISSION_ANNOUNCER_MODULE__
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#error only the libtransmission announcer module should #include this header.
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#endif
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#ifndef _TR_ANNOUNCER_COMMON_H_
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#define _TR_ANNOUNCER_COMMON_H_
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#include "transmission.h" /* SHA_DIGEST_LENGTH */
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#include "session.h" /* PEER_ID_LEN */
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/***
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**** SCRAPE
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***/
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enum
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{
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/* pick a number small enough for common tracker software:
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* - ocelot has no upper bound
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* - opentracker has an upper bound of 64
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* - udp protocol has an upper bound of 74
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* - xbtt has no upper bound */
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TR_MULTISCRAPE_MAX = 64
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};
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typedef struct
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{
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/* the scrape URL */
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char * url;
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/* the name to use when deep logging is enabled */
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char log_name[128];
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/* info hashes of the torrents to scrape */
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uint8_t info_hash[TR_MULTISCRAPE_MAX][SHA_DIGEST_LENGTH];
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/* how many hashes to use in the info_hash field */
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int info_hash_count;
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}
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tr_scrape_request;
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struct tr_scrape_response_row
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{
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/* the torrent's info_hash */
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uint8_t info_hash[SHA_DIGEST_LENGTH];
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/* how many peers are seeding this torrent */
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int seeders;
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/* how many peers are downloading this torrent */
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int leechers;
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/* how many times this torrent has been downloaded */
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int downloads;
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/* the number of active downloaders in the swarm.
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* this is a BEP 21 extension that some trackers won't support.
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* http://www.bittorrent.org/beps/bep_0021.html#tracker-scrapes */
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int downloaders;
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};
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typedef struct
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{
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/* whether or not we managed to connect to the tracker */
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bool did_connect;
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/* whether or not the scrape timed out */
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bool did_timeout;
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/* how many info hashes are in the 'rows' field */
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int row_count;
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/* the individual torrents' scrape results */
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struct tr_scrape_response_row rows[TR_MULTISCRAPE_MAX];
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/* the raw scrape url */
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char * url;
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/* human-readable error string on failure, or NULL */
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char * errmsg;
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/* minimum interval (in seconds) allowed between scrapes.
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* this is an unofficial extension that some trackers won't support. */
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int min_request_interval;
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}
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tr_scrape_response;
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typedef void (*tr_scrape_response_func) (const tr_scrape_response * response,
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void * user_data);
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void tr_tracker_http_scrape (tr_session * session,
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const tr_scrape_request * req,
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tr_scrape_response_func response_func,
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void * user_data);
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void tr_tracker_udp_scrape (tr_session * session,
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const tr_scrape_request * req,
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tr_scrape_response_func response_func,
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void * user_data);
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/***
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**** ANNOUNCE
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***/
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typedef enum
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{
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TR_ANNOUNCE_EVENT_NONE,
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TR_ANNOUNCE_EVENT_COMPLETED,
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TR_ANNOUNCE_EVENT_STARTED,
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TR_ANNOUNCE_EVENT_STOPPED
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}
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tr_announce_event;
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const char * tr_announce_event_get_string (tr_announce_event);
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typedef struct
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{
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tr_announce_event event;
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bool partial_seed;
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/* the port we listen for incoming peers on */
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int port;
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/* per-session key */
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int key;
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/* the number of peers we'd like to get back in the response */
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int numwant;
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/* the number of bytes we uploaded since the last 'started' event */
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uint64_t up;
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/* the number of good bytes we downloaded since the last 'started' event */
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uint64_t down;
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/* the number of bad bytes we downloaded since the last 'started' event */
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uint64_t corrupt;
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/* the total size of the torrent minus the number of bytes completed */
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uint64_t leftUntilComplete;
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/* the tracker's announce URL */
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char * url;
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/* key generated by and returned from an http tracker.
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* see tr_announce_response.tracker_id_str */
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char * tracker_id_str;
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/* the torrent's peer id.
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* this changes when a torrent is stopped -> restarted. */
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char peer_id[PEER_ID_LEN];
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/* the torrent's info_hash */
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uint8_t info_hash[SHA_DIGEST_LENGTH];
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/* the name to use when deep logging is enabled */
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char log_name[128];
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}
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tr_announce_request;
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struct tr_pex;
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typedef struct
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{
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/* the torrent's info hash */
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uint8_t info_hash[SHA_DIGEST_LENGTH];
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/* whether or not we managed to connect to the tracker */
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bool did_connect;
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/* whether or not the scrape timed out */
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bool did_timeout;
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/* preferred interval between announces.
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* transmission treats this as the interval for periodic announces */
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int interval;
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/* minimum interval between announces. (optional)
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* transmission treats this as the min interval for manual announces */
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int min_interval;
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/* how many peers are seeding this torrent */
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int seeders;
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/* how many peers are downloading this torrent */
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int leechers;
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/* how many times this torrent has been downloaded */
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int downloads;
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/* number of items in the 'pex' field */
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size_t pex_count;
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/* IPv4 peers that we acquired from the tracker */
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struct tr_pex * pex;
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/* number of items in the 'pex6' field */
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size_t pex6_count;
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/* IPv6 peers that we acquired from the tracker */
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struct tr_pex * pex6;
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/* human-readable error string on failure, or NULL */
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char * errmsg;
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/* human-readable warning string or NULL */
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char * warning;
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/* key generated by and returned from an http tracker.
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* if this is provided, subsequent http announces must include this. */
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char * tracker_id_str;
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}
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tr_announce_response;
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typedef void (*tr_announce_response_func) (const tr_announce_response * response,
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void * userdata);
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void tr_tracker_http_announce (tr_session * session,
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const tr_announce_request * req,
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tr_announce_response_func response_func,
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void * user_data);
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void tr_tracker_udp_announce (tr_session * session,
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const tr_announce_request * req,
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tr_announce_response_func response_func,
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void * user_data);
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void tr_tracker_udp_start_shutdown (tr_session * session);
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#endif /* _TR_ANNOUNCER_COMMON_H_ */
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