/* * 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 __TRANSMISSION__ #error only libtransmission should #include this header. #endif #ifndef TR_INTERNAL_H #define TR_INTERNAL_H 1 #define TR_NAME "Transmission" #ifndef UNUSED #ifdef __GNUC__ #define UNUSED __attribute__ ( ( unused ) ) #else #define UNUSED #endif #endif #include "bencode.h" #include "bitfield.h" #include "utils.h" typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t; enum { PEER_ID_LEN = 20 }; void tr_peerIdInit( uint8_t * setme ); struct event_base; struct evdns_base; struct tr_address; struct tr_announcer; struct tr_announcer_udp; struct tr_bandwidth; struct tr_bindsockets; struct tr_cache; struct tr_fdInfo; typedef void ( tr_web_config_func )( tr_session * session, void * curl_pointer, const char * url ); struct tr_turtle_info { /* TR_UP and TR_DOWN speed limits */ int speedLimit_Bps[2]; /* is turtle mode on right now? */ tr_bool isEnabled; /* does turtle mode turn itself on and off at given times? */ tr_bool isClockEnabled; /* when clock mode is on, minutes after midnight to turn on turtle mode */ int beginMinute; /* when clock mode is on, minutes after midnight to turn off turtle mode */ int endMinute; /* only use clock mode on these days of the week */ tr_sched_day days; /* called when isEnabled changes */ tr_altSpeedFunc * callback; /* the callback's user_data argument */ void * callbackUserData; /* the callback's changedByUser argument. * indicates whether the change came from the user or from the clock. */ tr_bool changedByUser; /* bitfield of all the minutes in a week. * Each bit's value indicates whether the scheduler wants turtle * limits on or off at that given minute in the week. */ tr_bitfield minutes; }; /** @brief handle to an active libtransmission session */ struct tr_session { tr_bool isPortRandom; tr_bool isPexEnabled; tr_bool isDHTEnabled; tr_bool isUTPEnabled; tr_bool isLPDEnabled; tr_bool isBlocklistEnabled; tr_bool isPrefetchEnabled; tr_bool isTorrentDoneScriptEnabled; tr_bool isClosed; tr_bool useLazyBitfield; tr_bool isIncompleteFileNamingEnabled; tr_bool isRatioLimited; tr_bool isIdleLimited; tr_bool isIncompleteDirEnabled; tr_bool pauseAddedTorrent; tr_bool deleteSourceTorrent; tr_benc removedTorrents; int umask; int speedLimit_Bps[2]; tr_bool speedLimitEnabled[2]; struct tr_turtle_info turtle; struct tr_fdInfo * fdInfo; int magicNumber; tr_encryption_mode encryptionMode; tr_preallocation_mode preallocationMode; struct event_base * event_base; struct evdns_base * evdns_base; struct tr_event_handle * events; uint16_t peerLimitPerTorrent; int uploadSlotsPerTorrent; /* The UDP sockets used for the DHT and uTP. */ tr_port udp_port; int udp_socket; int udp6_socket; unsigned char * udp6_bound; struct event *udp_event; struct event *udp6_event; /* The open port on the local machine for incoming peer requests */ tr_port private_peer_port; /** * The open port on the public device for incoming peer requests. * This is usually the same as private_peer_port but can differ * if the public device is a router and it decides to use a different * port than the one requested by Transmission. */ tr_port public_peer_port; tr_port randomPortLow; tr_port randomPortHigh; int peerSocketTOS; char * peer_congestion_algorithm; int torrentCount; tr_torrent * torrentList; char * torrentDoneScript; char * tag; char * configDir; char * downloadDir; char * resumeDir; char * torrentDir; char * incompleteDir; char * blocklist_url; struct tr_list * blocklists; struct tr_peerMgr * peerMgr; struct tr_shared * shared; struct tr_cache * cache; struct tr_lock * lock; struct tr_web * web; struct tr_rpc_server * rpcServer; tr_rpc_func rpc_func; void * rpc_func_user_data; struct tr_stats_handle * sessionStats; struct tr_announcer * announcer; struct tr_announcer_udp * announcer_udp; tr_benc * metainfoLookup; struct event * nowTimer; struct event * saveTimer; /* monitors the "global pool" speeds */ struct tr_bandwidth * bandwidth; double desiredRatio; uint16_t idleLimitMinutes; struct tr_bindinfo * public_ipv4; struct tr_bindinfo * public_ipv6; /* a page-aligned buffer for use by the libtransmission thread. * @see SESSION_BUFFER_SIZE */ void * buffer; tr_bool bufferInUse; tr_web_config_func * curl_easy_config_func; uint8_t peer_id[PEER_ID_LEN+1]; }; static inline tr_port tr_sessionGetPublicPeerPort( const tr_session * session ) { return session->public_peer_port; } static inline const uint8_t* tr_getPeerId( tr_session * session ) { return session->peer_id; } tr_bool tr_sessionAllowsDHT( const tr_session * session ); tr_bool tr_sessionAllowsLPD( const tr_session * session ); const char * tr_sessionFindTorrentFile( const tr_session * session, const char * hashString ); void tr_sessionSetTorrentFile( tr_session * session, const char * hashString, const char * filename ); tr_bool tr_sessionIsAddressBlocked( const tr_session * session, const struct tr_address * addr ); void tr_sessionLock( tr_session * ); void tr_sessionUnlock( tr_session * ); tr_bool tr_sessionIsLocked( const tr_session * ); const struct tr_address* tr_sessionGetPublicAddress( const tr_session * session, int tr_af_type, tr_bool * is_default_value ); struct tr_bindsockets * tr_sessionGetBindSockets( tr_session * ); int tr_sessionCountTorrents( const tr_session * session ); enum { SESSION_MAGIC_NUMBER = 3845, /* @see tr_session.buffer */ SESSION_BUFFER_SIZE = (16*1024) }; void* tr_sessionGetBuffer( tr_session * session ); void tr_sessionReleaseBuffer( tr_session * session ); static inline tr_bool tr_isSession( const tr_session * session ) { return ( session != NULL ) && ( session->magicNumber == SESSION_MAGIC_NUMBER ); } static inline tr_bool tr_isPreallocationMode( tr_preallocation_mode m ) { return ( m == TR_PREALLOCATE_NONE ) || ( m == TR_PREALLOCATE_SPARSE ) || ( m == TR_PREALLOCATE_FULL ); } static inline tr_bool tr_isEncryptionMode( tr_encryption_mode m ) { return ( m == TR_CLEAR_PREFERRED ) || ( m == TR_ENCRYPTION_PREFERRED ) || ( m == TR_ENCRYPTION_REQUIRED ); } static inline tr_bool tr_isPriority( tr_priority_t p ) { return ( p == TR_PRI_LOW ) || ( p == TR_PRI_NORMAL ) || ( p == TR_PRI_HIGH ); } /*** **** ***/ static inline unsigned int toSpeedBytes ( unsigned int KBps ) { return KBps * tr_speed_K; } static inline double toSpeedKBps ( unsigned int Bps ) { return Bps / (double)tr_speed_K; } static inline uint64_t toMemBytes ( unsigned int MB ) { uint64_t B = tr_mem_K * tr_mem_K; B *= MB; return B; } static inline int toMemMB ( uint64_t B ) { return B / ( tr_mem_K * tr_mem_K ); } /** **/ int tr_sessionGetSpeedLimit_Bps( const tr_session *, tr_direction ); int tr_sessionGetAltSpeed_Bps ( const tr_session *, tr_direction ); int tr_sessionGetRawSpeed_Bps ( const tr_session *, tr_direction ); int tr_sessionGetPieceSpeed_Bps( const tr_session *, tr_direction ); void tr_sessionSetSpeedLimit_Bps( tr_session *, tr_direction, int Bps ); void tr_sessionSetAltSpeed_Bps ( tr_session *, tr_direction, int Bps ); tr_bool tr_sessionGetActiveSpeedLimit_Bps( const tr_session * session, tr_direction dir, int * setme ); #endif