335 lines
9.9 KiB
C
335 lines
9.9 KiB
C
/*
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* This file Copyright (C) Mnemosyne LLC
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*
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* This file is licensed by the GPL version 2. Works owned by the
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* Transmission project are granted a special exemption to clause 2 (b)
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* so that the bulk of its code can remain under the MIT license.
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* This exemption does not extend to derived works not owned by
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* the Transmission project.
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*
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* $Id$
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*/
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#ifndef TR_INTERNAL_H
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#define TR_INTERNAL_H 1
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#define TR_NAME "Transmission"
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#ifndef UNUSED
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#ifdef __GNUC__
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#define UNUSED __attribute__ ((unused))
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#else
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#define UNUSED
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#endif
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#endif
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#include "bandwidth.h"
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#include "bitfield.h"
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#include "utils.h"
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#include "variant.h"
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typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t;
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typedef enum {
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TR_AUTO_SWITCH_UNUSED,
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TR_AUTO_SWITCH_ON,
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TR_AUTO_SWITCH_OFF,
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} tr_auto_switch_state_t;
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enum
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{
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PEER_ID_LEN = 20
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};
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void tr_peerIdInit (uint8_t * setme);
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struct event_base;
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struct evdns_base;
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struct tr_address;
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struct tr_announcer;
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struct tr_announcer_udp;
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struct tr_bindsockets;
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struct tr_cache;
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struct tr_fdInfo;
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struct tr_device_info;
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typedef void (tr_web_config_func)(tr_session * session, void * curl_pointer, const char * url, void * user_data);
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struct tr_turtle_info
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{
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/* TR_UP and TR_DOWN speed limits */
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unsigned int speedLimit_Bps[2];
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/* is turtle mode on right now? */
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bool isEnabled;
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/* does turtle mode turn itself on and off at given times? */
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bool isClockEnabled;
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/* when clock mode is on, minutes after midnight to turn on turtle mode */
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int beginMinute;
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/* when clock mode is on, minutes after midnight to turn off turtle mode */
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int endMinute;
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/* only use clock mode on these days of the week */
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tr_sched_day days;
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/* called when isEnabled changes */
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tr_altSpeedFunc * callback;
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/* the callback's user_data argument */
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void * callbackUserData;
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/* the callback's changedByUser argument.
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* indicates whether the change came from the user or from the clock. */
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bool changedByUser;
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/* bitfield of all the minutes in a week.
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* Each bit's value indicates whether the scheduler wants turtle
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* limits on or off at that given minute in the week. */
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tr_bitfield minutes;
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/* recent action that was done by turtle's automatic switch */
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tr_auto_switch_state_t autoTurtleState;
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};
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/** @brief handle to an active libtransmission session */
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struct tr_session
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{
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bool isPortRandom;
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bool isPexEnabled;
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bool isDHTEnabled;
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bool isUTPEnabled;
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bool isLPDEnabled;
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bool isBlocklistEnabled;
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bool isPrefetchEnabled;
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bool isTorrentDoneScriptEnabled;
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bool isClosing;
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bool isClosed;
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bool isIncompleteFileNamingEnabled;
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bool isRatioLimited;
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bool isIdleLimited;
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bool isIncompleteDirEnabled;
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bool pauseAddedTorrent;
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bool deleteSourceTorrent;
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bool scrapePausedTorrents;
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uint8_t peer_id_ttl_hours;
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tr_variant removedTorrents;
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bool stalledEnabled;
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bool queueEnabled[2];
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int queueSize[2];
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int queueStalledMinutes;
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int umask;
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unsigned int speedLimit_Bps[2];
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bool speedLimitEnabled[2];
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struct tr_turtle_info turtle;
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struct tr_fdInfo * fdInfo;
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int magicNumber;
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tr_encryption_mode encryptionMode;
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tr_preallocation_mode preallocationMode;
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struct event_base * event_base;
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struct evdns_base * evdns_base;
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struct tr_event_handle * events;
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uint16_t peerLimit;
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uint16_t peerLimitPerTorrent;
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int uploadSlotsPerTorrent;
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/* The UDP sockets used for the DHT and uTP. */
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tr_port udp_port;
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int udp_socket;
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int udp6_socket;
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unsigned char * udp6_bound;
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struct event *udp_event;
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struct event *udp6_event;
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/* The open port on the local machine for incoming peer requests */
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tr_port private_peer_port;
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/**
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* The open port on the public device for incoming peer requests.
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* This is usually the same as private_peer_port but can differ
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* if the public device is a router and it decides to use a different
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* port than the one requested by Transmission.
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*/
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tr_port public_peer_port;
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tr_port randomPortLow;
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tr_port randomPortHigh;
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int peerSocketTOS;
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char * peer_congestion_algorithm;
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int torrentCount;
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tr_torrent * torrentList;
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char * torrentDoneScript;
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char * tag;
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char * configDir;
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char * resumeDir;
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char * torrentDir;
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char * incompleteDir;
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char * blocklist_url;
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struct tr_device_info * downloadDir;
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struct tr_list * blocklists;
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struct tr_peerMgr * peerMgr;
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struct tr_shared * shared;
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struct tr_cache * cache;
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struct tr_lock * lock;
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struct tr_web * web;
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struct tr_rpc_server * rpcServer;
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tr_rpc_func rpc_func;
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void * rpc_func_user_data;
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struct tr_stats_handle * sessionStats;
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struct tr_announcer * announcer;
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struct tr_announcer_udp * announcer_udp;
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tr_variant * metainfoLookup;
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struct event * nowTimer;
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struct event * saveTimer;
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/* monitors the "global pool" speeds */
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struct tr_bandwidth bandwidth;
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float desiredRatio;
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uint16_t idleLimitMinutes;
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struct tr_bindinfo * public_ipv4;
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struct tr_bindinfo * public_ipv6;
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};
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static inline tr_port
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tr_sessionGetPublicPeerPort (const tr_session * session)
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{
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return session->public_peer_port;
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}
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bool tr_sessionAllowsDHT (const tr_session * session);
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bool tr_sessionAllowsLPD (const tr_session * session);
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const char * tr_sessionFindTorrentFile (const tr_session * session,
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const char * hashString);
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void tr_sessionSetTorrentFile (tr_session * session,
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const char * hashString,
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const char * filename);
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bool tr_sessionIsAddressBlocked (const tr_session * session,
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const struct tr_address * addr);
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void tr_sessionLock (tr_session *);
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void tr_sessionUnlock (tr_session *);
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bool tr_sessionIsLocked (const tr_session *);
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const struct tr_address* tr_sessionGetPublicAddress (const tr_session * session,
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int tr_af_type,
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bool * is_default_value);
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struct tr_bindsockets * tr_sessionGetBindSockets (tr_session *);
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int tr_sessionCountTorrents (const tr_session * session);
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enum
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{
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SESSION_MAGIC_NUMBER = 3845,
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};
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static inline bool tr_isSession (const tr_session * session)
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{
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return (session != NULL) && (session->magicNumber == SESSION_MAGIC_NUMBER);
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}
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static inline bool tr_isPreallocationMode (tr_preallocation_mode m)
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{
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return (m == TR_PREALLOCATE_NONE)
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|| (m == TR_PREALLOCATE_SPARSE)
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|| (m == TR_PREALLOCATE_FULL);
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}
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static inline bool tr_isEncryptionMode (tr_encryption_mode m)
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{
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return (m == TR_CLEAR_PREFERRED)
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|| (m == TR_ENCRYPTION_PREFERRED)
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|| (m == TR_ENCRYPTION_REQUIRED);
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}
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static inline bool tr_isPriority (tr_priority_t p)
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{
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return (p == TR_PRI_LOW)
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|| (p == TR_PRI_NORMAL)
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|| (p == TR_PRI_HIGH);
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}
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/***
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****
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***/
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static inline unsigned int
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toSpeedBytes (unsigned int KBps) { return KBps * tr_speed_K; }
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static inline double
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toSpeedKBps (unsigned int Bps) { return Bps / (double)tr_speed_K; }
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static inline uint64_t
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toMemBytes (unsigned int MB) { uint64_t B = tr_mem_K * tr_mem_K; B *= MB; return B; }
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static inline int
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toMemMB (uint64_t B) { return B / (tr_mem_K * tr_mem_K); }
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/**
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**/
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unsigned int tr_sessionGetSpeedLimit_Bps (const tr_session *, tr_direction);
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unsigned int tr_sessionGetAltSpeed_Bps (const tr_session *, tr_direction);
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unsigned int tr_sessionGetRawSpeed_Bps (const tr_session *, tr_direction);
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unsigned int tr_sessionGetPieceSpeed_Bps (const tr_session *, tr_direction);
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void tr_sessionSetSpeedLimit_Bps (tr_session *, tr_direction, unsigned int Bps);
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void tr_sessionSetAltSpeed_Bps (tr_session *, tr_direction, unsigned int Bps);
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bool tr_sessionGetActiveSpeedLimit_Bps (const tr_session * session,
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tr_direction dir,
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unsigned int * setme);
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void tr_sessionGetNextQueuedTorrents (tr_session * session,
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tr_direction dir,
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size_t numwanted,
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tr_ptrArray * setme);
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int tr_sessionCountQueueFreeSlots (tr_session * session, tr_direction);
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#endif
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