298 lines
8.8 KiB
C
298 lines
8.8 KiB
C
/*
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* This file Copyright (C) 2008-2010 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 "bencode.h"
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#include "bitfield.h"
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#include "utils.h"
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typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t;
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uint8_t* tr_peerIdNew( void );
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const uint8_t* tr_getPeerId( void );
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struct tr_address;
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struct tr_announcer;
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struct tr_bandwidth;
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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_turtle_info
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{
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/* TR_UP and TR_DOWN speed limits */
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int speedLimit_Bps[2];
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/* is turtle mode on right now? */
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tr_bool isEnabled;
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/* does turtle mode turn itself on and off at given times? */
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tr_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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tr_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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};
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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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tr_bool isPortRandom;
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tr_bool isPexEnabled;
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tr_bool isDHTEnabled;
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tr_bool isLPDEnabled;
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tr_bool isBlocklistEnabled;
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tr_bool isProxyEnabled;
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tr_bool isProxyAuthEnabled;
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tr_bool isTorrentDoneScriptEnabled;
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tr_bool isClosed;
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tr_bool useLazyBitfield;
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tr_bool isIncompleteFileNamingEnabled;
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tr_bool isRatioLimited;
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tr_bool isIdleLimited;
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tr_bool isIncompleteDirEnabled;
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tr_bool pauseAddedTorrent;
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tr_bool deleteSourceTorrent;
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tr_benc removedTorrents;
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int umask;
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int speedLimit_Bps[2];
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tr_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 tr_event_handle * events;
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uint16_t peerLimitPerTorrent;
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int uploadSlotsPerTorrent;
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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 proxyPort;
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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 * downloadDir;
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char * resumeDir;
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char * torrentDir;
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char * incompleteDir;
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tr_proxy_type proxyType;
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char * proxy;
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char * proxyUsername;
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char * proxyPassword;
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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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tr_benc * 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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double 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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/* a page-aligned buffer for use by the libtransmission thread.
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* @see SESSION_BUFFER_SIZE */
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void * buffer;
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tr_bool bufferInUse;
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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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tr_bool tr_sessionAllowsDHT( const tr_session * session );
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tr_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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tr_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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tr_bool tr_sessionIsLocked( const tr_session * );
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const struct tr_address* tr_sessionGetPublicAddress( const tr_session *, int tr_af_type );
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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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/* @see tr_session.buffer */
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SESSION_BUFFER_SIZE = (16*1024)
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};
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void* tr_sessionGetBuffer( tr_session * session );
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void tr_sessionReleaseBuffer( tr_session * session );
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static inline tr_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 tr_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 tr_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 tr_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 toSpeedBytes ( unsigned int KBps ) { return KBps * tr_speed_K; }
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static inline double toSpeedKBps ( unsigned int Bps ) { return Bps / (double)tr_speed_K; }
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static inline uint64_t toMemBytes ( unsigned int MB ) { uint64_t B = tr_mem_K * tr_mem_K; B *= MB; return B; }
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static inline int toMemMB ( uint64_t B ) { return B / ( tr_mem_K * tr_mem_K ); }
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/**
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**/
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int tr_sessionGetSpeedLimit_Bps( const tr_session *, tr_direction );
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int tr_sessionGetAltSpeed_Bps ( const tr_session *, tr_direction );
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int tr_sessionGetRawSpeed_Bps ( const tr_session *, tr_direction );
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int tr_sessionGetPieceSpeed_Bps( const tr_session *, tr_direction );
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void tr_sessionSetSpeedLimit_Bps( tr_session *, tr_direction, int Bps );
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void tr_sessionSetAltSpeed_Bps ( tr_session *, tr_direction, int Bps );
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tr_bool tr_sessionGetActiveSpeedLimit_Bps( const tr_session * session,
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tr_direction dir,
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int * setme );
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#endif
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