mirror of
https://github.com/transmission/transmission
synced 2024-12-27 01:57:52 +00:00
2670 lines
69 KiB
C
2670 lines
69 KiB
C
/*
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* This file Copyright (C) 2009 Charles Kerr <charles@transmissionbt.com>
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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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#include <sys/types.h> /* stat */
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#include <sys/stat.h> /* stat */
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#include <unistd.h> /* stat */
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#include <dirent.h>
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#include <assert.h>
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#include <limits.h> /* INT_MAX */
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#include <math.h> /* fabs */
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#include <stdarg.h>
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#include <string.h> /* memcmp */
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#include <stdlib.h> /* qsort */
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#include <event.h> /* evbuffer */
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#include "transmission.h"
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#include "announcer.h"
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#include "bandwidth.h"
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#include "bencode.h"
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#include "completion.h"
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#include "crypto.h" /* for tr_sha1 */
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#include "resume.h"
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#include "fdlimit.h" /* tr_fdTorrentClose */
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#include "metainfo.h"
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#include "peer-mgr.h"
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#include "platform.h" /* TR_PATH_DELIMITER_STR */
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#include "ptrarray.h"
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#include "ratecontrol.h"
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#include "session.h"
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#include "torrent.h"
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#include "trevent.h"
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#include "utils.h"
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#include "verify.h"
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#define MAX_BLOCK_SIZE ( 1024 * 16 )
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/***
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****
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***/
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int
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tr_torrentId( const tr_torrent * tor )
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{
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return tor->uniqueId;
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}
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tr_torrent*
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tr_torrentFindFromId( tr_session * session, int id )
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{
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tr_torrent * tor = NULL;
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while(( tor = tr_torrentNext( session, tor )))
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if( tor->uniqueId == id )
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return tor;
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return NULL;
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}
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tr_torrent*
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tr_torrentFindFromHashString( tr_session * session, const char * str )
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{
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tr_torrent * tor = NULL;
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while(( tor = tr_torrentNext( session, tor )))
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if( !strcmp( str, tor->info.hashString ) )
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return tor;
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return NULL;
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}
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tr_torrent*
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tr_torrentFindFromHash( tr_session * session, const uint8_t * torrentHash )
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{
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tr_torrent * tor = NULL;
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while(( tor = tr_torrentNext( session, tor )))
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if( *tor->info.hash == *torrentHash )
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if( !memcmp( tor->info.hash, torrentHash, SHA_DIGEST_LENGTH ) )
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return tor;
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return NULL;
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}
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tr_torrent*
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tr_torrentFindFromObfuscatedHash( tr_session * session,
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const uint8_t * obfuscatedTorrentHash )
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{
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tr_torrent * tor = NULL;
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while(( tor = tr_torrentNext( session, tor )))
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if( !memcmp( tor->obfuscatedHash, obfuscatedTorrentHash,
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SHA_DIGEST_LENGTH ) )
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return tor;
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return NULL;
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}
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/***
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**** PER-TORRENT UL / DL SPEEDS
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***/
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void
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tr_torrentSetSpeedLimit( tr_torrent * tor, tr_direction dir, int KiB_sec )
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{
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assert( tr_isTorrent( tor ) );
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assert( tr_isDirection( dir ) );
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if( tr_bandwidthSetDesiredSpeed( tor->bandwidth, dir, KiB_sec ) )
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tr_torrentSetDirty( tor );
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}
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int
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tr_torrentGetSpeedLimit( const tr_torrent * tor, tr_direction dir )
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{
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assert( tr_isTorrent( tor ) );
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assert( tr_isDirection( dir ) );
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return tr_bandwidthGetDesiredSpeed( tor->bandwidth, dir );
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}
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void
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tr_torrentUseSpeedLimit( tr_torrent * tor, tr_direction dir, tr_bool do_use )
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{
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assert( tr_isTorrent( tor ) );
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assert( tr_isDirection( dir ) );
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if( tr_bandwidthSetLimited( tor->bandwidth, dir, do_use ) )
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tr_torrentSetDirty( tor );
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}
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tr_bool
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tr_torrentUsesSpeedLimit( const tr_torrent * tor, tr_direction dir )
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{
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assert( tr_isTorrent( tor ) );
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assert( tr_isDirection( dir ) );
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return tr_bandwidthIsLimited( tor->bandwidth, dir );
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}
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void
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tr_torrentUseSessionLimits( tr_torrent * tor, tr_bool doUse )
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{
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tr_bool changed;
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assert( tr_isTorrent( tor ) );
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changed = tr_bandwidthHonorParentLimits( tor->bandwidth, TR_UP, doUse );
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changed |= tr_bandwidthHonorParentLimits( tor->bandwidth, TR_DOWN, doUse );
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if( changed )
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tr_torrentSetDirty( tor );
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}
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tr_bool
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tr_torrentUsesSessionLimits( const tr_torrent * tor )
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{
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assert( tr_isTorrent( tor ) );
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return tr_bandwidthAreParentLimitsHonored( tor->bandwidth, TR_UP );
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}
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/***
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****
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***/
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void
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tr_torrentSetRatioMode( tr_torrent * tor, tr_ratiolimit mode )
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{
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assert( tr_isTorrent( tor ) );
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assert( mode==TR_RATIOLIMIT_GLOBAL || mode==TR_RATIOLIMIT_SINGLE || mode==TR_RATIOLIMIT_UNLIMITED );
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if( mode != tor->ratioLimitMode )
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{
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tor->ratioLimitMode = mode;
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tor->needsSeedRatioCheck = TRUE;
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tr_torrentSetDirty( tor );
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}
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}
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tr_ratiolimit
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tr_torrentGetRatioMode( const tr_torrent * tor )
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{
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assert( tr_isTorrent( tor ) );
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return tor->ratioLimitMode;
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}
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void
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tr_torrentSetRatioLimit( tr_torrent * tor, double desiredRatio )
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{
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assert( tr_isTorrent( tor ) );
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if( (int)(desiredRatio*100.0) != (int)(tor->desiredRatio*100.0) )
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{
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tor->desiredRatio = desiredRatio;
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tor->needsSeedRatioCheck = TRUE;
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tr_torrentSetDirty( tor );
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}
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}
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double
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tr_torrentGetRatioLimit( const tr_torrent * tor )
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{
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assert( tr_isTorrent( tor ) );
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return tor->desiredRatio;
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}
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tr_bool
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tr_torrentIsPieceTransferAllowed( const tr_torrent * tor,
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tr_direction direction )
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{
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int limit;
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tr_bool allowed = TRUE;
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if( tr_torrentUsesSpeedLimit( tor, direction ) )
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if( tr_torrentGetSpeedLimit( tor, direction ) <= 0 )
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allowed = FALSE;
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if( tr_torrentUsesSessionLimits( tor ) )
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if( tr_sessionGetActiveSpeedLimit( tor->session, direction, &limit ) )
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if( limit <= 0 )
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allowed = FALSE;
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return allowed;
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}
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tr_bool
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tr_torrentGetSeedRatio( const tr_torrent * tor, double * ratio )
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{
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tr_bool isLimited;
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switch( tr_torrentGetRatioMode( tor ) )
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{
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case TR_RATIOLIMIT_SINGLE:
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isLimited = TRUE;
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if( ratio )
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*ratio = tr_torrentGetRatioLimit( tor );
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break;
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case TR_RATIOLIMIT_GLOBAL:
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isLimited = tr_sessionIsRatioLimited( tor->session );
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if( isLimited && ratio )
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*ratio = tr_sessionGetRatioLimit( tor->session );
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break;
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default: /* TR_RATIOLIMIT_UNLIMITED */
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isLimited = FALSE;
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break;
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}
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return isLimited;
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}
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/***
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****
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***/
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void
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tr_torrentSetLocalError( tr_torrent * tor, const char * fmt, ... )
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{
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va_list ap;
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assert( tr_isTorrent( tor ) );
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va_start( ap, fmt );
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tor->error = TR_STAT_LOCAL_ERROR;
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evutil_vsnprintf( tor->errorString, sizeof( tor->errorString ), fmt, ap );
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va_end( ap );
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}
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static void
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onTrackerResponse( void * tracker UNUSED,
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void * vevent,
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void * user_data )
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{
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tr_torrent * tor = user_data;
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tr_tracker_event * event = vevent;
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switch( event->messageType )
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{
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case TR_TRACKER_PEERS:
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{
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size_t i, n;
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tr_pex * pex = tr_peerMgrArrayToPex( event->compact,
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event->compactLen, &n );
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if( event->allAreSeeds )
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tr_tordbg( tor, "Got %d seeds from tracker", (int)n );
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else
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tr_torinf( tor, _( "Got %d peers from tracker" ), (int)n );
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for( i = 0; i < n; ++i )
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{
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if( event->allAreSeeds )
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pex[i].flags |= ADDED_F_SEED_FLAG;
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tr_peerMgrAddPex( tor, TR_PEER_FROM_TRACKER, pex + i );
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}
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tr_free( pex );
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break;
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}
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case TR_TRACKER_WARNING:
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tr_torerr( tor, _( "Tracker warning: \"%s\"" ), event->text );
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tor->error = TR_STAT_TRACKER_WARNING;
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tr_strlcpy( tor->errorString, event->text, sizeof( tor->errorString ) );
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break;
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case TR_TRACKER_ERROR:
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tr_torerr( tor, _( "Tracker error: \"%s\"" ), event->text );
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tor->error = TR_STAT_TRACKER_ERROR;
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tr_strlcpy( tor->errorString, event->text, sizeof( tor->errorString ) );
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break;
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case TR_TRACKER_ERROR_CLEAR:
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tor->error = TR_STAT_OK;
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tor->errorString[0] = '\0';
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break;
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}
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}
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/***
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****
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**** TORRENT INSTANTIATION
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****
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***/
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static int
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getBytePiece( const tr_info * info,
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uint64_t byteOffset )
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{
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assert( info );
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assert( info->pieceSize != 0 );
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return byteOffset / info->pieceSize;
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}
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static void
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initFilePieces( tr_info * info,
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tr_file_index_t fileIndex )
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{
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tr_file * file;
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uint64_t firstByte, lastByte;
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assert( info );
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assert( fileIndex < info->fileCount );
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file = &info->files[fileIndex];
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firstByte = file->offset;
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lastByte = firstByte + ( file->length ? file->length - 1 : 0 );
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file->firstPiece = getBytePiece( info, firstByte );
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file->lastPiece = getBytePiece( info, lastByte );
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}
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static int
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pieceHasFile( tr_piece_index_t piece,
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const tr_file * file )
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{
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return ( file->firstPiece <= piece ) && ( piece <= file->lastPiece );
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}
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static tr_priority_t
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calculatePiecePriority( const tr_torrent * tor,
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tr_piece_index_t piece,
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int fileHint )
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{
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tr_file_index_t i;
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int priority = TR_PRI_LOW;
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/* find the first file that has data in this piece */
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if( fileHint >= 0 ) {
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i = fileHint;
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while( i > 0 && pieceHasFile( piece, &tor->info.files[i - 1] ) )
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--i;
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} else {
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for( i = 0; i < tor->info.fileCount; ++i )
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if( pieceHasFile( piece, &tor->info.files[i] ) )
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break;
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}
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/* the piece's priority is the max of the priorities
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* of all the files in that piece */
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for( ; i < tor->info.fileCount; ++i )
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{
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const tr_file * file = &tor->info.files[i];
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if( !pieceHasFile( piece, file ) )
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break;
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priority = MAX( priority, file->priority );
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/* when dealing with multimedia files, getting the first and
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last pieces can sometimes allow you to preview it a bit
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before it's fully downloaded... */
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if( file->priority >= TR_PRI_NORMAL )
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if( file->firstPiece == piece || file->lastPiece == piece )
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priority = TR_PRI_HIGH;
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}
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return priority;
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}
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static void
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tr_torrentInitFilePieces( tr_torrent * tor )
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{
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tr_file_index_t f;
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tr_piece_index_t p;
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uint64_t offset = 0;
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tr_info * inf = &tor->info;
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int * firstFiles;
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/* assign the file offsets */
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for( f=0; f<inf->fileCount; ++f ) {
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inf->files[f].offset = offset;
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offset += inf->files[f].length;
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initFilePieces( inf, f );
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}
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/* build the array of first-file hints to give calculatePiecePriority */
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firstFiles = tr_new( int, inf->pieceCount );
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for( p=f=0; p<inf->pieceCount; ++p ) {
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while( inf->files[f].lastPiece < p )
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++f;
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firstFiles[p] = f;
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}
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#if 0
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/* test to confirm the first-file hints are correct */
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for( p=0; p<inf->pieceCount; ++p ) {
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f = firstFiles[p];
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assert( inf->files[f].firstPiece <= p );
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assert( inf->files[f].lastPiece >= p );
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if( f > 0 )
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assert( inf->files[f-1].lastPiece < p );
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for( f=0; f<inf->fileCount; ++f )
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if( pieceHasFile( p, &inf->files[f] ) )
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break;
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assert( (int)f == firstFiles[p] );
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}
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#endif
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for( p=0; p<inf->pieceCount; ++p )
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inf->pieces[p].priority = calculatePiecePriority( tor, p, firstFiles[p] );
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tr_free( firstFiles );
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}
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int
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tr_torrentPromoteTracker( tr_torrent * tor,
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int pos )
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{
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int i;
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int tier;
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assert( tor );
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assert( ( 0 <= pos ) && ( pos < tor->info.trackerCount ) );
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/* the tier of the tracker we're promoting */
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tier = tor->info.trackers[pos].tier;
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/* find the index of that tier's first tracker */
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for( i = 0; i < tor->info.trackerCount; ++i )
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if( tor->info.trackers[i].tier == tier )
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break;
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assert( i < tor->info.trackerCount );
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/* promote the tracker at `pos' to the front of the tier */
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if( i != pos )
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{
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const tr_tracker_info tmp = tor->info.trackers[i];
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tor->info.trackers[i] = tor->info.trackers[pos];
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tor->info.trackers[pos] = tmp;
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}
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/* return the new position of the tracker that started out at [pos] */
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return i;
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}
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struct RandomTracker
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{
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tr_tracker_info tracker;
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int random_value;
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};
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/* the tiers will be sorted from lowest to highest,
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* and trackers are randomized within the tiers */
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static TR_INLINE int
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compareRandomTracker( const void * va,
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const void * vb )
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{
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const struct RandomTracker * a = va;
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const struct RandomTracker * b = vb;
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if( a->tracker.tier != b->tracker.tier )
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return a->tracker.tier - b->tracker.tier;
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return a->random_value - b->random_value;
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}
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static void
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randomizeTiers( tr_info * info )
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{
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int i;
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const int n = info->trackerCount;
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struct RandomTracker * r = tr_new0( struct RandomTracker, n );
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for( i = 0; i < n; ++i )
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{
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r[i].tracker = info->trackers[i];
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r[i].random_value = tr_cryptoRandInt( INT_MAX );
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}
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qsort( r, n, sizeof( struct RandomTracker ), compareRandomTracker );
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for( i = 0; i < n; ++i )
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info->trackers[i] = r[i].tracker;
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tr_free( r );
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}
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static void torrentStart( tr_torrent * tor );
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/**
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* Decide on a block size. constraints:
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* (1) most clients decline requests over 16 KiB
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* (2) pieceSize must be a multiple of block size
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*/
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static uint32_t
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getBlockSize( uint32_t pieceSize )
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{
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uint32_t b = pieceSize;
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while( b > MAX_BLOCK_SIZE )
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b /= 2u;
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if( !b || ( pieceSize % b ) ) /* not cleanly divisible */
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return 0;
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return b;
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}
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static void refreshCurrentDir( tr_torrent * tor );;
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|
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static void
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torrentRealInit( tr_torrent * tor, const tr_ctor * ctor )
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{
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int doStart;
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|
uint64_t loaded;
|
|
uint64_t t;
|
|
const char * dir;
|
|
static int nextUniqueId = 1;
|
|
tr_info * info = &tor->info;
|
|
tr_session * session = tr_ctorGetSession( ctor );
|
|
|
|
assert( session != NULL );
|
|
|
|
tr_globalLock( session );
|
|
|
|
tor->session = session;
|
|
tor->uniqueId = nextUniqueId++;
|
|
tor->magicNumber = TORRENT_MAGIC_NUMBER;
|
|
|
|
randomizeTiers( info );
|
|
|
|
tor->bandwidth = tr_bandwidthNew( session, session->bandwidth );
|
|
|
|
tor->blockSize = getBlockSize( info->pieceSize );
|
|
|
|
if( !tr_ctorGetDownloadDir( ctor, TR_FORCE, &dir ) ||
|
|
!tr_ctorGetDownloadDir( ctor, TR_FALLBACK, &dir ) )
|
|
tor->downloadDir = tr_strdup( dir );
|
|
|
|
if( tr_ctorGetIncompleteDir( ctor, &dir ) )
|
|
dir = tr_sessionGetIncompleteDir( session );
|
|
if( tr_sessionIsIncompleteDirEnabled( session ) )
|
|
tor->incompleteDir = tr_strdup( dir );
|
|
|
|
tor->lastPieceSize = info->totalSize % info->pieceSize;
|
|
|
|
if( !tor->lastPieceSize )
|
|
tor->lastPieceSize = info->pieceSize;
|
|
|
|
tor->lastBlockSize = info->totalSize % tor->blockSize;
|
|
|
|
if( !tor->lastBlockSize )
|
|
tor->lastBlockSize = tor->blockSize;
|
|
|
|
tor->blockCount =
|
|
( info->totalSize + tor->blockSize - 1 ) / tor->blockSize;
|
|
|
|
tor->blockCountInPiece =
|
|
info->pieceSize / tor->blockSize;
|
|
|
|
tor->blockCountInLastPiece =
|
|
( tor->lastPieceSize + tor->blockSize - 1 ) / tor->blockSize;
|
|
|
|
/* check our work */
|
|
assert( ( info->pieceSize % tor->blockSize ) == 0 );
|
|
t = info->pieceCount - 1;
|
|
t *= info->pieceSize;
|
|
t += tor->lastPieceSize;
|
|
assert( t == info->totalSize );
|
|
t = tor->blockCount - 1;
|
|
t *= tor->blockSize;
|
|
t += tor->lastBlockSize;
|
|
assert( t == info->totalSize );
|
|
t = info->pieceCount - 1;
|
|
t *= tor->blockCountInPiece;
|
|
t += tor->blockCountInLastPiece;
|
|
assert( t == (uint64_t)tor->blockCount );
|
|
|
|
tr_cpConstruct( &tor->completion, tor );
|
|
|
|
tr_torrentInitFilePieces( tor );
|
|
|
|
tr_rcConstruct( &tor->swarmSpeed );
|
|
|
|
tr_sha1( tor->obfuscatedHash, "req2", 4,
|
|
info->hash, SHA_DIGEST_LENGTH,
|
|
NULL );
|
|
|
|
tr_peerMgrAddTorrent( session->peerMgr, tor );
|
|
|
|
assert( !tor->downloadedCur );
|
|
assert( !tor->uploadedCur );
|
|
|
|
tr_ctorInitTorrentPriorities( ctor, tor );
|
|
|
|
tr_ctorInitTorrentWanted( ctor, tor );
|
|
|
|
tor->error = TR_STAT_OK;
|
|
|
|
tr_bitfieldConstruct( &tor->checkedPieces, tor->info.pieceCount );
|
|
tr_torrentUncheck( tor );
|
|
|
|
tr_torrentSetAddedDate( tor, time( NULL ) ); /* this is a default value to be
|
|
overwritten by the resume file */
|
|
|
|
loaded = tr_torrentLoadResume( tor, ~0, ctor );
|
|
|
|
refreshCurrentDir( tor );
|
|
|
|
doStart = tor->isRunning;
|
|
tor->isRunning = 0;
|
|
|
|
if( !( loaded & TR_FR_SPEEDLIMIT ) )
|
|
{
|
|
tr_torrentUseSpeedLimit( tor, TR_UP, FALSE );
|
|
tr_torrentSetSpeedLimit( tor, TR_UP, tr_sessionGetSpeedLimit( tor->session, TR_UP ) );
|
|
tr_torrentUseSpeedLimit( tor, TR_DOWN, FALSE );
|
|
tr_torrentSetSpeedLimit( tor, TR_DOWN, tr_sessionGetSpeedLimit( tor->session, TR_DOWN ) );
|
|
tr_torrentUseSessionLimits( tor, TRUE );
|
|
}
|
|
|
|
if( !( loaded & TR_FR_RATIOLIMIT ) )
|
|
{
|
|
tr_torrentSetRatioMode( tor, TR_RATIOLIMIT_GLOBAL );
|
|
tr_torrentSetRatioLimit( tor, tr_sessionGetRatioLimit( tor->session ) );
|
|
}
|
|
|
|
tor->completeness = tr_cpGetStatus( &tor->completion );
|
|
|
|
{
|
|
tr_torrent * it = NULL;
|
|
tr_torrent * last = NULL;
|
|
while( ( it = tr_torrentNext( session, it ) ) )
|
|
last = it;
|
|
|
|
if( !last )
|
|
session->torrentList = tor;
|
|
else
|
|
last->next = tor;
|
|
++session->torrentCount;
|
|
}
|
|
|
|
tr_globalUnlock( session );
|
|
|
|
/* maybe save our own copy of the metainfo */
|
|
if( tr_ctorGetSave( ctor ) )
|
|
{
|
|
const tr_benc * val;
|
|
if( !tr_ctorGetMetainfo( ctor, &val ) )
|
|
{
|
|
const char * filename = tor->info.torrent;
|
|
tr_bencToFile( val, TR_FMT_BENC, filename );
|
|
tr_sessionSetTorrentFile( tor->session, tor->info.hashString, filename );
|
|
}
|
|
}
|
|
|
|
tor->tiers = tr_announcerAddTorrent( session->announcer, tor );
|
|
tor->tiersSubscription = tr_announcerSubscribe( tor->tiers, onTrackerResponse, tor );
|
|
|
|
tr_metainfoMigrate( session, &tor->info );
|
|
|
|
if( doStart )
|
|
torrentStart( tor );
|
|
}
|
|
|
|
tr_parse_result
|
|
tr_torrentParse( const tr_ctor * ctor, tr_info * setmeInfo )
|
|
{
|
|
int doFree;
|
|
tr_bool didParse;
|
|
tr_info tmp;
|
|
const tr_benc * metainfo;
|
|
tr_session * session = tr_ctorGetSession( ctor );
|
|
tr_parse_result result = TR_PARSE_OK;
|
|
|
|
if( setmeInfo == NULL )
|
|
setmeInfo = &tmp;
|
|
memset( setmeInfo, 0, sizeof( tr_info ) );
|
|
|
|
if( tr_ctorGetMetainfo( ctor, &metainfo ) )
|
|
return TR_PARSE_ERR;
|
|
|
|
didParse = tr_metainfoParse( session, setmeInfo, metainfo );
|
|
doFree = didParse && ( setmeInfo == &tmp );
|
|
|
|
if( !didParse )
|
|
result = TR_PARSE_ERR;
|
|
|
|
if( didParse && !getBlockSize( setmeInfo->pieceSize ) )
|
|
result = TR_PARSE_ERR;
|
|
|
|
if( didParse && session && tr_torrentExists( session, setmeInfo->hash ) )
|
|
result = TR_PARSE_DUPLICATE;
|
|
|
|
if( doFree )
|
|
tr_metainfoFree( setmeInfo );
|
|
|
|
return result;
|
|
}
|
|
|
|
tr_torrent *
|
|
tr_torrentNew( const tr_ctor * ctor,
|
|
int * setmeError )
|
|
{
|
|
int err;
|
|
tr_info tmpInfo;
|
|
tr_torrent * tor = NULL;
|
|
|
|
assert( ctor != NULL );
|
|
assert( tr_isSession( tr_ctorGetSession( ctor ) ) );
|
|
|
|
err = tr_torrentParse( ctor, &tmpInfo );
|
|
if( !err )
|
|
{
|
|
tor = tr_new0( tr_torrent, 1 );
|
|
tor->info = tmpInfo;
|
|
torrentRealInit( tor, ctor );
|
|
}
|
|
else if( setmeError )
|
|
{
|
|
*setmeError = err;
|
|
}
|
|
|
|
return tor;
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
void
|
|
tr_torrentSetDownloadDir( tr_torrent * tor, const char * path )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( !path || !tor->downloadDir || strcmp( path, tor->downloadDir ) )
|
|
{
|
|
tr_free( tor->downloadDir );
|
|
tor->downloadDir = tr_strdup( path );
|
|
tr_torrentSetDirty( tor );
|
|
}
|
|
|
|
refreshCurrentDir( tor );
|
|
}
|
|
|
|
const char*
|
|
tr_torrentGetDownloadDir( const tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
return tor->downloadDir;
|
|
}
|
|
|
|
const char *
|
|
tr_torrentGetCurrentDir( const tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
return tor->currentDir;
|
|
}
|
|
|
|
|
|
void
|
|
tr_torrentChangeMyPort( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_announcerChangeMyPort( tor );
|
|
}
|
|
|
|
static TR_INLINE void
|
|
tr_torrentManualUpdateImpl( void * vtor )
|
|
{
|
|
tr_torrent * tor = vtor;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( tor->isRunning )
|
|
tr_announcerManualAnnounce( tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentManualUpdate( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_runInEventThread( tor->session, tr_torrentManualUpdateImpl, tor );
|
|
}
|
|
|
|
tr_bool
|
|
tr_torrentCanManualUpdate( const tr_torrent * tor )
|
|
{
|
|
return ( tr_isTorrent( tor ) )
|
|
&& ( tor->isRunning )
|
|
&& ( tr_announcerCanManualAnnounce( tor ) );
|
|
}
|
|
|
|
const tr_info *
|
|
tr_torrentInfo( const tr_torrent * tor )
|
|
{
|
|
return tr_isTorrent( tor ) ? &tor->info : NULL;
|
|
}
|
|
|
|
const tr_stat *
|
|
tr_torrentStatCached( tr_torrent * tor )
|
|
{
|
|
const time_t now = time( NULL );
|
|
|
|
return tr_isTorrent( tor ) && ( now == tor->lastStatTime )
|
|
? &tor->stats
|
|
: tr_torrentStat( tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetVerifyState( tr_torrent * tor, tr_verify_state state )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( state==TR_VERIFY_NONE || state==TR_VERIFY_WAIT || state==TR_VERIFY_NOW );
|
|
|
|
tor->verifyState = state;
|
|
tor->anyDate = time( NULL );
|
|
}
|
|
|
|
tr_torrent_activity
|
|
tr_torrentGetActivity( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentRecheckCompleteness( tor );
|
|
|
|
if( tor->verifyState == TR_VERIFY_NOW )
|
|
return TR_STATUS_CHECK;
|
|
if( tor->verifyState == TR_VERIFY_WAIT )
|
|
return TR_STATUS_CHECK_WAIT;
|
|
if( !tor->isRunning )
|
|
return TR_STATUS_STOPPED;
|
|
if( tor->completeness == TR_LEECH )
|
|
return TR_STATUS_DOWNLOAD;
|
|
|
|
return TR_STATUS_SEED;
|
|
}
|
|
|
|
const tr_stat *
|
|
tr_torrentStat( tr_torrent * tor )
|
|
{
|
|
tr_stat * s;
|
|
int usableSeeds = 0;
|
|
uint64_t now;
|
|
double downloadedForRatio, seedRatio=0;
|
|
double d;
|
|
tr_bool checkSeedRatio;
|
|
|
|
if( !tor )
|
|
return NULL;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
tr_torrentLock( tor );
|
|
|
|
tor->lastStatTime = time( NULL );
|
|
|
|
s = &tor->stats;
|
|
s->id = tor->uniqueId;
|
|
s->activity = tr_torrentGetActivity( tor );
|
|
s->error = tor->error;
|
|
memcpy( s->errorString, tor->errorString, sizeof( s->errorString ) );
|
|
|
|
s->manualAnnounceTime = tr_announcerNextManualAnnounce( tor );
|
|
|
|
tr_peerMgrTorrentStats( tor,
|
|
&s->peersKnown,
|
|
&s->peersConnected,
|
|
&usableSeeds,
|
|
&s->webseedsSendingToUs,
|
|
&s->peersSendingToUs,
|
|
&s->peersGettingFromUs,
|
|
s->peersFrom );
|
|
|
|
now = tr_date( );
|
|
d = tr_peerMgrGetWebseedSpeed( tor, now );
|
|
s->swarmSpeed = tr_rcRate( &tor->swarmSpeed, now );
|
|
s->rawUploadSpeed = tr_bandwidthGetRawSpeed ( tor->bandwidth, now, TR_UP );
|
|
s->pieceUploadSpeed = tr_bandwidthGetPieceSpeed( tor->bandwidth, now, TR_UP );
|
|
s->rawDownloadSpeed = d + tr_bandwidthGetRawSpeed ( tor->bandwidth, now, TR_DOWN );
|
|
s->pieceDownloadSpeed = d + tr_bandwidthGetPieceSpeed( tor->bandwidth, now, TR_DOWN );
|
|
|
|
usableSeeds += tor->info.webseedCount;
|
|
|
|
s->percentComplete = tr_cpPercentComplete ( &tor->completion );
|
|
|
|
s->percentDone = tr_cpPercentDone ( &tor->completion );
|
|
s->leftUntilDone = tr_cpLeftUntilDone( &tor->completion );
|
|
s->sizeWhenDone = tr_cpSizeWhenDone ( &tor->completion );
|
|
|
|
s->recheckProgress = s->activity == TR_STATUS_CHECK
|
|
? 1.0 -
|
|
( tr_torrentCountUncheckedPieces( tor ) /
|
|
(double) tor->info.pieceCount )
|
|
: 0.0;
|
|
|
|
s->activityDate = tor->activityDate;
|
|
s->addedDate = tor->addedDate;
|
|
s->doneDate = tor->doneDate;
|
|
s->startDate = tor->startDate;
|
|
|
|
s->corruptEver = tor->corruptCur + tor->corruptPrev;
|
|
s->downloadedEver = tor->downloadedCur + tor->downloadedPrev;
|
|
s->uploadedEver = tor->uploadedCur + tor->uploadedPrev;
|
|
s->haveValid = tr_cpHaveValid( &tor->completion );
|
|
s->haveUnchecked = tr_cpHaveTotal( &tor->completion ) - s->haveValid;
|
|
|
|
if( usableSeeds > 0 )
|
|
{
|
|
s->desiredAvailable = s->leftUntilDone;
|
|
}
|
|
else if( !s->leftUntilDone || !s->peersConnected )
|
|
{
|
|
s->desiredAvailable = 0;
|
|
}
|
|
else
|
|
{
|
|
tr_piece_index_t i;
|
|
tr_bitfield * peerPieces = tr_peerMgrGetAvailable( tor );
|
|
s->desiredAvailable = 0;
|
|
for( i = 0; i < tor->info.pieceCount; ++i )
|
|
if( !tor->info.pieces[i].dnd && tr_bitfieldHasFast( peerPieces, i ) )
|
|
s->desiredAvailable += tr_cpMissingBlocksInPiece( &tor->completion, i );
|
|
s->desiredAvailable *= tor->blockSize;
|
|
tr_bitfieldFree( peerPieces );
|
|
}
|
|
|
|
downloadedForRatio = s->downloadedEver ? s->downloadedEver : s->haveValid;
|
|
s->ratio = tr_getRatio( s->uploadedEver, downloadedForRatio );
|
|
|
|
checkSeedRatio = tr_torrentGetSeedRatio( tor, &seedRatio );
|
|
|
|
switch( s->activity )
|
|
{
|
|
case TR_STATUS_DOWNLOAD:
|
|
if( s->leftUntilDone > s->desiredAvailable )
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
else if( s->pieceDownloadSpeed < 0.1 )
|
|
s->eta = TR_ETA_UNKNOWN;
|
|
else {
|
|
/* etaSpeed exists because if we pieceDownloadSpeed directly,
|
|
* brief fluctuations cause the ETA to jump all over the place.
|
|
* so, etaSpeed is a smoothed-out version of pieceDownloadSpeed
|
|
* to dampen the effect of fluctuations */
|
|
if( ( tor->etaSpeedCalculatedAt + 800 ) < now ) {
|
|
tor->etaSpeedCalculatedAt = now;
|
|
tor->etaSpeed = (fabs(tor->etaSpeed)<0.0001)
|
|
? s->pieceDownloadSpeed /* if no previous speed, no need to smooth */
|
|
: 0.8*tor->etaSpeed + 0.2*s->pieceDownloadSpeed; /* smooth across 5 readings */
|
|
}
|
|
s->eta = s->leftUntilDone / tor->etaSpeed / 1024.0;
|
|
}
|
|
break;
|
|
|
|
case TR_STATUS_SEED:
|
|
if( checkSeedRatio )
|
|
{
|
|
if( s->pieceUploadSpeed < 0.1 )
|
|
s->eta = TR_ETA_UNKNOWN;
|
|
else
|
|
s->eta = (downloadedForRatio * (seedRatio - s->ratio)) / s->pieceUploadSpeed / 1024.0;
|
|
}
|
|
else
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
break;
|
|
|
|
default:
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
break;
|
|
}
|
|
|
|
if( !checkSeedRatio || s->ratio >= seedRatio || s->ratio == TR_RATIO_INF )
|
|
s->percentRatio = 1.0;
|
|
else if( s->ratio == TR_RATIO_NA )
|
|
s->percentRatio = 0.0;
|
|
else
|
|
s->percentRatio = s->ratio / seedRatio;
|
|
|
|
tr_torrentUnlock( tor );
|
|
|
|
return s;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static uint64_t
|
|
fileBytesCompleted( const tr_torrent * tor, tr_file_index_t index )
|
|
{
|
|
uint64_t total = 0;
|
|
const tr_file * f = &tor->info.files[index];
|
|
|
|
if( f->length )
|
|
{
|
|
const tr_block_index_t firstBlock = f->offset / tor->blockSize;
|
|
const uint64_t lastByte = f->offset + f->length - 1;
|
|
const tr_block_index_t lastBlock = lastByte / tor->blockSize;
|
|
|
|
if( firstBlock == lastBlock )
|
|
{
|
|
if( tr_cpBlockIsCompleteFast( &tor->completion, firstBlock ) )
|
|
total = f->length;
|
|
}
|
|
else
|
|
{
|
|
uint32_t i;
|
|
|
|
/* the first block */
|
|
if( tr_cpBlockIsCompleteFast( &tor->completion, firstBlock ) )
|
|
total += tor->blockSize - ( f->offset % tor->blockSize );
|
|
|
|
/* the middle blocks */
|
|
if( f->firstPiece == f->lastPiece )
|
|
{
|
|
for( i=firstBlock+1; i<lastBlock; ++i )
|
|
if( tr_cpBlockIsCompleteFast( &tor->completion, i ) )
|
|
total += tor->blockSize;
|
|
}
|
|
else
|
|
{
|
|
int64_t b = 0;
|
|
const tr_block_index_t firstBlockOfLastPiece
|
|
= tr_torPieceFirstBlock( tor, f->lastPiece );
|
|
const tr_block_index_t lastBlockOfFirstPiece
|
|
= tr_torPieceFirstBlock( tor, f->firstPiece )
|
|
+ tr_torPieceCountBlocks( tor, f->firstPiece ) - 1;
|
|
|
|
/* the rest of the first piece */
|
|
for( i=firstBlock+1; i<lastBlock && i<=lastBlockOfFirstPiece; ++i )
|
|
if( tr_cpBlockIsCompleteFast( &tor->completion, i ) )
|
|
++b;
|
|
|
|
/* the middle pieces */
|
|
if( f->firstPiece + 1 < f->lastPiece )
|
|
for( i=f->firstPiece+1; i<f->lastPiece; ++i )
|
|
b += tor->blockCountInPiece - tr_cpMissingBlocksInPiece( &tor->completion, i );
|
|
|
|
/* the rest of the last piece */
|
|
for( i=firstBlockOfLastPiece; i<lastBlock; ++i )
|
|
if( tr_cpBlockIsCompleteFast( &tor->completion, i ) )
|
|
++b;
|
|
|
|
b *= tor->blockSize;
|
|
total += b;
|
|
}
|
|
|
|
/* the last block */
|
|
if( tr_cpBlockIsCompleteFast( &tor->completion, lastBlock ) )
|
|
total += ( f->offset + f->length ) - ( tor->blockSize * lastBlock );
|
|
}
|
|
}
|
|
|
|
return total;
|
|
}
|
|
|
|
tr_file_stat *
|
|
tr_torrentFiles( const tr_torrent * tor,
|
|
tr_file_index_t * fileCount )
|
|
{
|
|
tr_file_index_t i;
|
|
const tr_file_index_t n = tor->info.fileCount;
|
|
tr_file_stat * files = tr_new0( tr_file_stat, n );
|
|
tr_file_stat * walk = files;
|
|
const tr_bool isSeed = tor->completeness == TR_SEED;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
for( i = 0; i < n; ++i, ++walk )
|
|
{
|
|
const uint64_t b = isSeed ? tor->info.files[i].length : fileBytesCompleted( tor, i );
|
|
walk->bytesCompleted = b;
|
|
walk->progress = tr_getRatio( b, tor->info.files[i].length );
|
|
}
|
|
|
|
if( fileCount )
|
|
*fileCount = n;
|
|
|
|
return files;
|
|
}
|
|
|
|
void
|
|
tr_torrentFilesFree( tr_file_stat * files,
|
|
tr_file_index_t fileCount UNUSED )
|
|
{
|
|
tr_free( files );
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
float*
|
|
tr_torrentWebSpeeds( const tr_torrent * tor )
|
|
{
|
|
return tr_isTorrent( tor )
|
|
? tr_peerMgrWebSpeeds( tor )
|
|
: NULL;
|
|
}
|
|
|
|
tr_peer_stat *
|
|
tr_torrentPeers( const tr_torrent * tor,
|
|
int * peerCount )
|
|
{
|
|
tr_peer_stat * ret = NULL;
|
|
|
|
if( tr_isTorrent( tor ) )
|
|
ret = tr_peerMgrPeerStats( tor, peerCount );
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
tr_torrentPeersFree( tr_peer_stat * peers,
|
|
int peerCount UNUSED )
|
|
{
|
|
tr_free( peers );
|
|
}
|
|
|
|
tr_tracker_stat *
|
|
tr_torrentTrackers( const tr_torrent * torrent,
|
|
int * setmeTrackerCount )
|
|
{
|
|
assert( tr_isTorrent( torrent ) );
|
|
|
|
return tr_announcerStats( torrent, setmeTrackerCount );
|
|
}
|
|
|
|
void
|
|
tr_torrentTrackersFree( tr_tracker_stat * trackers,
|
|
int trackerCount )
|
|
{
|
|
tr_announcerStatsFree( trackers, trackerCount );
|
|
}
|
|
|
|
void
|
|
tr_torrentAvailability( const tr_torrent * tor,
|
|
int8_t * tab,
|
|
int size )
|
|
{
|
|
tr_peerMgrTorrentAvailability( tor, tab, size );
|
|
}
|
|
|
|
void
|
|
tr_torrentAmountFinished( const tr_torrent * tor,
|
|
float * tab,
|
|
int size )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
tr_cpGetAmountDone( &tor->completion, tab, size );
|
|
tr_torrentUnlock( tor );
|
|
}
|
|
|
|
static void
|
|
tr_torrentResetTransferStats( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
|
|
tor->downloadedPrev += tor->downloadedCur;
|
|
tor->downloadedCur = 0;
|
|
tor->uploadedPrev += tor->uploadedCur;
|
|
tor->uploadedCur = 0;
|
|
tor->corruptPrev += tor->corruptCur;
|
|
tor->corruptCur = 0;
|
|
|
|
tr_torrentSetDirty( tor );
|
|
|
|
tr_torrentUnlock( tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetHasPiece( tr_torrent * tor,
|
|
tr_piece_index_t pieceIndex,
|
|
tr_bool has )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( pieceIndex < tor->info.pieceCount );
|
|
|
|
if( has )
|
|
tr_cpPieceAdd( &tor->completion, pieceIndex );
|
|
else
|
|
tr_cpPieceRem( &tor->completion, pieceIndex );
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static void
|
|
freeTorrent( tr_torrent * tor )
|
|
{
|
|
tr_torrent * t;
|
|
tr_session * session = tor->session;
|
|
tr_info * inf = &tor->info;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( !tor->isRunning );
|
|
|
|
tr_globalLock( session );
|
|
|
|
tr_peerMgrRemoveTorrent( tor );
|
|
|
|
tr_cpDestruct( &tor->completion );
|
|
|
|
tr_rcDestruct( &tor->swarmSpeed );
|
|
|
|
tr_announcerUnsubscribe( tor->tiers, tor->tiersSubscription );
|
|
tr_announcerRemoveTorrent( session->announcer, tor );
|
|
|
|
tr_bitfieldDestruct( &tor->checkedPieces );
|
|
|
|
tr_free( tor->downloadDir );
|
|
tr_free( tor->incompleteDir );
|
|
tr_free( tor->peer_id );
|
|
|
|
if( tor == session->torrentList )
|
|
session->torrentList = tor->next;
|
|
else for( t = session->torrentList; t != NULL; t = t->next ) {
|
|
if( t->next == tor ) {
|
|
t->next = tor->next;
|
|
break;
|
|
}
|
|
}
|
|
|
|
assert( session->torrentCount >= 1 );
|
|
session->torrentCount--;
|
|
|
|
tr_bandwidthFree( tor->bandwidth );
|
|
|
|
tr_metainfoFree( inf );
|
|
tr_free( tor );
|
|
|
|
tr_globalUnlock( session );
|
|
}
|
|
|
|
/**
|
|
*** Start/Stop Callback
|
|
**/
|
|
|
|
static void
|
|
checkAndStartImpl( void * vtor )
|
|
{
|
|
tr_torrent * tor = vtor;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_globalLock( tor->session );
|
|
|
|
/** If we had local data before, but it's disappeared,
|
|
stop the torrent and log an error. */
|
|
if( tor->preVerifyTotal && !tr_cpHaveTotal( &tor->completion ) )
|
|
{
|
|
tr_torrentSetLocalError( tor, _( "Can't find local data. Try \"Set Location\" to find it, or restart the torrent to re-download." ) );
|
|
tr_torrentStop( tor );
|
|
}
|
|
else
|
|
{
|
|
const time_t now = time( NULL );
|
|
tor->isRunning = TRUE;
|
|
tor->needsSeedRatioCheck = TRUE;
|
|
tor->error = TR_STAT_OK;
|
|
tor->errorString[0] = '\0';
|
|
tor->completeness = tr_cpGetStatus( &tor->completion );
|
|
tor->startDate = tor->anyDate = now;
|
|
|
|
tr_torrentResetTransferStats( tor );
|
|
tr_announcerTorrentStarted( tor );
|
|
tor->dhtAnnounceAt = now + tr_cryptoWeakRandInt( 20 );
|
|
tr_peerMgrStartTorrent( tor );
|
|
}
|
|
|
|
tr_globalUnlock( tor->session );
|
|
}
|
|
|
|
static void
|
|
checkAndStartCB( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( tr_isSession( tor->session ) );
|
|
|
|
tr_runInEventThread( tor->session, checkAndStartImpl, tor );
|
|
}
|
|
|
|
static void
|
|
torrentStart( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_globalLock( tor->session );
|
|
|
|
if( !tor->isRunning )
|
|
{
|
|
tr_verifyRemove( tor );
|
|
|
|
/* corresponds to the peer_id sent as a tracker request parameter.
|
|
* one tracker admin says: "When the same torrent is opened and
|
|
* closed and opened again without quitting Transmission ...
|
|
* change the peerid. It would help sometimes if a stopped event
|
|
* was missed to ensure that we didn't think someone was cheating. */
|
|
tr_free( tor->peer_id );
|
|
tor->peer_id = tr_peerIdNew( );
|
|
|
|
tor->isRunning = 1;
|
|
tr_torrentSetDirty( tor );
|
|
tor->preVerifyTotal = tr_cpHaveTotal( &tor->completion );
|
|
tr_verifyAdd( tor, checkAndStartCB );
|
|
}
|
|
|
|
tr_globalUnlock( tor->session );
|
|
}
|
|
|
|
void
|
|
tr_torrentStart( tr_torrent * tor )
|
|
{
|
|
if( tr_isTorrent( tor ) )
|
|
torrentStart( tor );
|
|
}
|
|
|
|
static void
|
|
torrentRecheckDoneImpl( void * vtor )
|
|
{
|
|
tr_torrent * tor = vtor;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
tr_torrentRecheckCompleteness( tor );
|
|
|
|
if( tor->preVerifyTotal && !tr_cpHaveTotal( &tor->completion ) )
|
|
{
|
|
tr_torrentSetLocalError( tor, _( "Can't find local data. Try \"Set Location\" to find it, or restart the torrent to re-download." ) );
|
|
tr_torrentStop( tor );
|
|
}
|
|
else if( tor->startAfterVerify )
|
|
{
|
|
tor->startAfterVerify = FALSE;
|
|
|
|
tr_torrentStart( tor );
|
|
}
|
|
}
|
|
|
|
static void
|
|
torrentRecheckDoneCB( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_runInEventThread( tor->session, torrentRecheckDoneImpl, tor );
|
|
}
|
|
|
|
static void
|
|
verifyTorrent( void * vtor )
|
|
{
|
|
tr_torrent * tor = vtor;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
tr_globalLock( tor->session );
|
|
|
|
/* if the torrent's already being verified, stop it */
|
|
tr_verifyRemove( tor );
|
|
|
|
/* if the torrent's running, stop it & set the restart-after-verify flag */
|
|
if( tor->startAfterVerify || tor->isRunning ) {
|
|
tr_torrentStop( tor );
|
|
tor->startAfterVerify = TRUE;
|
|
}
|
|
|
|
/* add the torrent to the recheck queue */
|
|
tor->preVerifyTotal = tr_cpHaveTotal( &tor->completion );
|
|
tr_torrentUncheck( tor );
|
|
tr_verifyAdd( tor, torrentRecheckDoneCB );
|
|
|
|
tr_globalUnlock( tor->session );
|
|
}
|
|
|
|
void
|
|
tr_torrentVerify( tr_torrent * tor )
|
|
{
|
|
if( tr_isTorrent( tor ) )
|
|
tr_runInEventThread( tor->session, verifyTorrent, tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentSave( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( tor->isDirty ) {
|
|
tor->isDirty = FALSE;
|
|
tr_torrentSaveResume( tor );
|
|
}
|
|
}
|
|
|
|
static void
|
|
stopTorrent( void * vtor )
|
|
{
|
|
tr_torrent * tor = vtor;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_verifyRemove( tor );
|
|
tr_peerMgrStopTorrent( tor );
|
|
tr_announcerTorrentStopped( tor );
|
|
|
|
tr_fdTorrentClose( tor->uniqueId );
|
|
|
|
if( !tor->isDeleting )
|
|
tr_torrentSave( tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentStop( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( tr_isTorrent( tor ) )
|
|
{
|
|
tr_globalLock( tor->session );
|
|
|
|
tor->isRunning = 0;
|
|
tr_torrentSetDirty( tor );
|
|
tr_runInEventThread( tor->session, stopTorrent, tor );
|
|
|
|
tr_globalUnlock( tor->session );
|
|
}
|
|
}
|
|
|
|
static void
|
|
closeTorrent( void * vtor )
|
|
{
|
|
tr_benc * d;
|
|
tr_torrent * tor = vtor;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
d = tr_bencListAddDict( &tor->session->removedTorrents, 2 );
|
|
tr_bencDictAddInt( d, "id", tor->uniqueId );
|
|
tr_bencDictAddInt( d, "date", time( NULL ) );
|
|
|
|
stopTorrent( tor );
|
|
|
|
if( tor->isDeleting )
|
|
{
|
|
tr_metainfoRemoveSaved( tor->session, &tor->info );
|
|
tr_torrentRemoveResume( tor );
|
|
}
|
|
|
|
tor->isRunning = 0;
|
|
freeTorrent( tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentFree( tr_torrent * tor )
|
|
{
|
|
if( tr_isTorrent( tor ) )
|
|
{
|
|
tr_session * session = tor->session;
|
|
assert( tr_isSession( session ) );
|
|
tr_globalLock( session );
|
|
|
|
tr_torrentClearCompletenessCallback( tor );
|
|
tr_runInEventThread( session, closeTorrent, tor );
|
|
|
|
tr_globalUnlock( session );
|
|
}
|
|
}
|
|
|
|
void
|
|
tr_torrentRemove( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tor->isDeleting = 1;
|
|
tr_torrentFree( tor );
|
|
}
|
|
|
|
/**
|
|
*** Completeness
|
|
**/
|
|
|
|
static const char *
|
|
getCompletionString( int type )
|
|
{
|
|
switch( type )
|
|
{
|
|
/* Translators: this is a minor point that's safe to skip over, but FYI:
|
|
"Complete" and "Done" are specific, different terms in Transmission:
|
|
"Complete" means we've downloaded every file in the torrent.
|
|
"Done" means we're done downloading the files we wanted, but NOT all
|
|
that exist */
|
|
case TR_PARTIAL_SEED:
|
|
return _( "Done" );
|
|
|
|
case TR_SEED:
|
|
return _( "Complete" );
|
|
|
|
default:
|
|
return _( "Incomplete" );
|
|
}
|
|
}
|
|
|
|
static void
|
|
fireCompletenessChange( tr_torrent * tor,
|
|
tr_completeness status )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( ( status == TR_LEECH )
|
|
|| ( status == TR_SEED )
|
|
|| ( status == TR_PARTIAL_SEED ) );
|
|
|
|
if( tor->completeness_func )
|
|
tor->completeness_func( tor, status, tor->completeness_func_user_data );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetCompletenessCallback( tr_torrent * tor,
|
|
tr_torrent_completeness_func func,
|
|
void * user_data )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tor->completeness_func = func;
|
|
tor->completeness_func_user_data = user_data;
|
|
}
|
|
|
|
void
|
|
tr_torrentSetRatioLimitHitCallback( tr_torrent * tor,
|
|
tr_torrent_ratio_limit_hit_func func,
|
|
void * user_data )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tor->ratio_limit_hit_func = func;
|
|
tor->ratio_limit_hit_func_user_data = user_data;
|
|
}
|
|
|
|
void
|
|
tr_torrentClearCompletenessCallback( tr_torrent * torrent )
|
|
{
|
|
tr_torrentSetCompletenessCallback( torrent, NULL, NULL );
|
|
}
|
|
|
|
void
|
|
tr_torrentClearRatioLimitHitCallback( tr_torrent * torrent )
|
|
{
|
|
tr_torrentSetRatioLimitHitCallback( torrent, NULL, NULL );
|
|
}
|
|
|
|
void
|
|
tr_torrentRecheckCompleteness( tr_torrent * tor )
|
|
{
|
|
tr_completeness completeness;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
|
|
completeness = tr_cpGetStatus( &tor->completion );
|
|
|
|
if( completeness != tor->completeness )
|
|
{
|
|
const int recentChange = tor->downloadedCur != 0;
|
|
|
|
if( recentChange )
|
|
{
|
|
tr_torinf( tor, _( "State changed from \"%1$s\" to \"%2$s\"" ),
|
|
getCompletionString( tor->completeness ),
|
|
getCompletionString( completeness ) );
|
|
}
|
|
|
|
tor->completeness = completeness;
|
|
tor->needsSeedRatioCheck = TRUE;
|
|
tr_fdTorrentClose( tor->uniqueId );
|
|
|
|
/* if the torrent is a seed now,
|
|
* and the files used to be in the incompleteDir,
|
|
* then move them to the destination directory */
|
|
if( tr_torrentIsSeed( tor ) && ( tor->currentDir == tor->incompleteDir ) )
|
|
tr_torrentSetLocation( tor, tor->downloadDir, TRUE, NULL, NULL );
|
|
|
|
fireCompletenessChange( tor, completeness );
|
|
|
|
if( recentChange && ( completeness == TR_SEED ) )
|
|
{
|
|
tr_announcerTorrentCompleted( tor );
|
|
|
|
tor->doneDate = tor->anyDate = time( NULL );
|
|
}
|
|
|
|
tr_torrentSetDirty( tor );
|
|
}
|
|
|
|
tr_torrentUnlock( tor );
|
|
}
|
|
|
|
/**
|
|
*** File priorities
|
|
**/
|
|
|
|
void
|
|
tr_torrentInitFilePriority( tr_torrent * tor,
|
|
tr_file_index_t fileIndex,
|
|
tr_priority_t priority )
|
|
{
|
|
tr_piece_index_t i;
|
|
tr_file * file;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( fileIndex < tor->info.fileCount );
|
|
assert( tr_isPriority( priority ) );
|
|
|
|
file = &tor->info.files[fileIndex];
|
|
file->priority = priority;
|
|
for( i = file->firstPiece; i <= file->lastPiece; ++i )
|
|
tor->info.pieces[i].priority = calculatePiecePriority( tor, i, fileIndex );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetFilePriorities( tr_torrent * tor,
|
|
tr_file_index_t * files,
|
|
tr_file_index_t fileCount,
|
|
tr_priority_t priority )
|
|
{
|
|
tr_file_index_t i;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
|
|
for( i = 0; i < fileCount; ++i )
|
|
tr_torrentInitFilePriority( tor, files[i], priority );
|
|
|
|
tr_torrentSetDirty( tor );
|
|
tr_torrentUnlock( tor );
|
|
}
|
|
|
|
tr_priority_t
|
|
tr_torrentGetFilePriority( const tr_torrent * tor,
|
|
tr_file_index_t file )
|
|
{
|
|
tr_priority_t ret;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
assert( tor );
|
|
assert( file < tor->info.fileCount );
|
|
ret = tor->info.files[file].priority;
|
|
tr_torrentUnlock( tor );
|
|
|
|
return ret;
|
|
}
|
|
|
|
tr_priority_t*
|
|
tr_torrentGetFilePriorities( const tr_torrent * tor )
|
|
{
|
|
tr_file_index_t i;
|
|
tr_priority_t * p;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
p = tr_new0( tr_priority_t, tor->info.fileCount );
|
|
for( i = 0; i < tor->info.fileCount; ++i )
|
|
p[i] = tor->info.files[i].priority;
|
|
tr_torrentUnlock( tor );
|
|
|
|
return p;
|
|
}
|
|
|
|
/**
|
|
*** File DND
|
|
**/
|
|
|
|
int
|
|
tr_torrentGetFileDL( const tr_torrent * tor,
|
|
tr_file_index_t file )
|
|
{
|
|
int doDownload;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
|
|
assert( file < tor->info.fileCount );
|
|
doDownload = !tor->info.files[file].dnd;
|
|
|
|
tr_torrentUnlock( tor );
|
|
return doDownload != 0;
|
|
}
|
|
|
|
static void
|
|
setFileDND( tr_torrent * tor, tr_file_index_t fileIndex, int doDownload )
|
|
{
|
|
tr_file * file;
|
|
const int dnd = !doDownload;
|
|
tr_piece_index_t firstPiece, firstPieceDND;
|
|
tr_piece_index_t lastPiece, lastPieceDND;
|
|
tr_file_index_t i;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
file = &tor->info.files[fileIndex];
|
|
file->dnd = dnd;
|
|
firstPiece = file->firstPiece;
|
|
lastPiece = file->lastPiece;
|
|
|
|
/* can't set the first piece to DND unless
|
|
every file using that piece is DND */
|
|
firstPieceDND = dnd;
|
|
if( fileIndex > 0 )
|
|
{
|
|
for( i = fileIndex - 1; firstPieceDND; --i )
|
|
{
|
|
if( tor->info.files[i].lastPiece != firstPiece )
|
|
break;
|
|
firstPieceDND = tor->info.files[i].dnd;
|
|
if( !i )
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* can't set the last piece to DND unless
|
|
every file using that piece is DND */
|
|
lastPieceDND = dnd;
|
|
for( i = fileIndex + 1; lastPieceDND && i < tor->info.fileCount; ++i )
|
|
{
|
|
if( tor->info.files[i].firstPiece != lastPiece )
|
|
break;
|
|
lastPieceDND = tor->info.files[i].dnd;
|
|
}
|
|
|
|
if( firstPiece == lastPiece )
|
|
{
|
|
tor->info.pieces[firstPiece].dnd = firstPieceDND && lastPieceDND;
|
|
}
|
|
else
|
|
{
|
|
tr_piece_index_t pp;
|
|
tor->info.pieces[firstPiece].dnd = firstPieceDND;
|
|
tor->info.pieces[lastPiece].dnd = lastPieceDND;
|
|
for( pp = firstPiece + 1; pp < lastPiece; ++pp )
|
|
tor->info.pieces[pp].dnd = dnd;
|
|
}
|
|
}
|
|
|
|
void
|
|
tr_torrentInitFileDLs( tr_torrent * tor,
|
|
tr_file_index_t * files,
|
|
tr_file_index_t fileCount,
|
|
tr_bool doDownload )
|
|
{
|
|
tr_file_index_t i;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
|
|
for( i=0; i<fileCount; ++i )
|
|
setFileDND( tor, files[i], doDownload );
|
|
tr_cpInvalidateDND( &tor->completion );
|
|
tor->needsSeedRatioCheck = TRUE;
|
|
|
|
tr_torrentUnlock( tor );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetFileDLs( tr_torrent * tor,
|
|
tr_file_index_t * files,
|
|
tr_file_index_t fileCount,
|
|
tr_bool doDownload )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_torrentLock( tor );
|
|
tr_torrentInitFileDLs( tor, files, fileCount, doDownload );
|
|
tr_torrentSetDirty( tor );
|
|
tr_torrentUnlock( tor );
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tr_priority_t
|
|
tr_torrentGetPriority( const tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
return tor->bandwidth->priority;
|
|
}
|
|
|
|
void
|
|
tr_torrentSetPriority( tr_torrent * tor, tr_priority_t priority )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( tr_isPriority( priority ) );
|
|
|
|
if( tor->bandwidth->priority != priority )
|
|
{
|
|
tor->bandwidth->priority = priority;
|
|
|
|
tr_torrentSetDirty( tor );
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void
|
|
tr_torrentSetPeerLimit( tr_torrent * tor,
|
|
uint16_t maxConnectedPeers )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if ( tor->maxConnectedPeers != maxConnectedPeers )
|
|
{
|
|
tor->maxConnectedPeers = maxConnectedPeers;
|
|
|
|
tr_torrentSetDirty( tor );
|
|
}
|
|
}
|
|
|
|
uint16_t
|
|
tr_torrentGetPeerLimit( const tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
return tor->maxConnectedPeers;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tr_block_index_t
|
|
_tr_block( const tr_torrent * tor,
|
|
tr_piece_index_t index,
|
|
uint32_t offset )
|
|
{
|
|
tr_block_index_t ret;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
ret = index;
|
|
ret *= ( tor->info.pieceSize / tor->blockSize );
|
|
ret += offset / tor->blockSize;
|
|
return ret;
|
|
}
|
|
|
|
tr_bool
|
|
tr_torrentReqIsValid( const tr_torrent * tor,
|
|
tr_piece_index_t index,
|
|
uint32_t offset,
|
|
uint32_t length )
|
|
{
|
|
int err = 0;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( index >= tor->info.pieceCount )
|
|
err = 1;
|
|
else if( length < 1 )
|
|
err = 2;
|
|
else if( ( offset + length ) > tr_torPieceCountBytes( tor, index ) )
|
|
err = 3;
|
|
else if( length > MAX_BLOCK_SIZE )
|
|
err = 4;
|
|
else if( tr_pieceOffset( tor, index, offset, length ) > tor->info.totalSize )
|
|
err = 5;
|
|
|
|
if( err ) tr_tordbg( tor, "index %lu offset %lu length %lu err %d\n",
|
|
(unsigned long)index,
|
|
(unsigned long)offset,
|
|
(unsigned long)length,
|
|
err );
|
|
|
|
return !err;
|
|
}
|
|
|
|
uint64_t
|
|
tr_pieceOffset( const tr_torrent * tor,
|
|
tr_piece_index_t index,
|
|
uint32_t offset,
|
|
uint32_t length )
|
|
{
|
|
uint64_t ret;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
ret = tor->info.pieceSize;
|
|
ret *= index;
|
|
ret += offset;
|
|
ret += length;
|
|
return ret;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void
|
|
tr_torrentSetPieceChecked( tr_torrent * tor,
|
|
tr_piece_index_t piece,
|
|
tr_bool isChecked )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( isChecked )
|
|
tr_bitfieldAdd( &tor->checkedPieces, piece );
|
|
else
|
|
tr_bitfieldRem( &tor->checkedPieces, piece );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetFileChecked( tr_torrent * tor,
|
|
tr_file_index_t fileIndex,
|
|
tr_bool isChecked )
|
|
{
|
|
const tr_file * file = &tor->info.files[fileIndex];
|
|
const tr_piece_index_t begin = file->firstPiece;
|
|
const tr_piece_index_t end = file->lastPiece + 1;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( isChecked )
|
|
tr_bitfieldAddRange( &tor->checkedPieces, begin, end );
|
|
else
|
|
tr_bitfieldRemRange( &tor->checkedPieces, begin, end );
|
|
}
|
|
|
|
tr_bool
|
|
tr_torrentIsFileChecked( const tr_torrent * tor,
|
|
tr_file_index_t fileIndex )
|
|
{
|
|
const tr_file * file = &tor->info.files[fileIndex];
|
|
const tr_piece_index_t begin = file->firstPiece;
|
|
const tr_piece_index_t end = file->lastPiece + 1;
|
|
tr_piece_index_t i;
|
|
tr_bool isChecked = TRUE;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
for( i = begin; isChecked && i < end; ++i )
|
|
if( !tr_torrentIsPieceChecked( tor, i ) )
|
|
isChecked = FALSE;
|
|
|
|
return isChecked;
|
|
}
|
|
|
|
void
|
|
tr_torrentUncheck( tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tr_bitfieldRemRange( &tor->checkedPieces, 0, tor->info.pieceCount );
|
|
}
|
|
|
|
int
|
|
tr_torrentCountUncheckedPieces( const tr_torrent * tor )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
return tor->info.pieceCount - tr_bitfieldCountTrueBits( &tor->checkedPieces );
|
|
}
|
|
|
|
time_t*
|
|
tr_torrentGetMTimes( const tr_torrent * tor, size_t * setme_n )
|
|
{
|
|
size_t i;
|
|
const size_t n = tor->info.fileCount;
|
|
time_t * m = tr_new0( time_t, n );
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
for( i = 0; i < n; ++i )
|
|
{
|
|
struct stat sb;
|
|
char * path = tr_torrentFindFile( tor, i );
|
|
if( ( path != NULL ) && !stat( path, &sb ) && S_ISREG( sb.st_mode ) )
|
|
{
|
|
#ifdef SYS_DARWIN
|
|
m[i] = sb.st_mtimespec.tv_sec;
|
|
#else
|
|
m[i] = sb.st_mtime;
|
|
#endif
|
|
}
|
|
tr_free( path );
|
|
}
|
|
|
|
*setme_n = n;
|
|
return m;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tr_announce_list_err
|
|
tr_torrentSetAnnounceList( tr_torrent * tor,
|
|
const tr_tracker_info * trackers,
|
|
int trackerCount )
|
|
{
|
|
int i, j;
|
|
tr_benc metainfo;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
/* look for bad URLs */
|
|
for( i=0; i<trackerCount; ++i )
|
|
if( !tr_httpIsValidURL( trackers[i].announce ) )
|
|
return TR_ANNOUNCE_LIST_HAS_BAD;
|
|
|
|
/* look for duplicates */
|
|
for( i=0; i<trackerCount; ++i )
|
|
for( j=0; j<trackerCount; ++j )
|
|
if( ( i != j ) && ( !strcmp( trackers[i].announce, trackers[j].announce ) ) )
|
|
return TR_ANNOUNCE_LIST_HAS_DUPLICATES;
|
|
|
|
/* save to the .torrent file */
|
|
if( !tr_bencLoadFile( &metainfo, TR_FMT_BENC, tor->info.torrent ) )
|
|
{
|
|
int i;
|
|
int prevTier = -1;
|
|
tr_benc * tier = NULL;
|
|
tr_benc * announceList;
|
|
tr_info tmpInfo;
|
|
|
|
/* remove the old fields */
|
|
tr_bencDictRemove( &metainfo, "announce" );
|
|
tr_bencDictRemove( &metainfo, "announce-list" );
|
|
|
|
/* add the new fields */
|
|
tr_bencDictAddStr( &metainfo, "announce", trackers[0].announce );
|
|
announceList = tr_bencDictAddList( &metainfo, "announce-list", 0 );
|
|
for( i = 0; i < trackerCount; ++i ) {
|
|
if( prevTier != trackers[i].tier ) {
|
|
prevTier = trackers[i].tier;
|
|
tier = tr_bencListAddList( announceList, 0 );
|
|
}
|
|
tr_bencListAddStr( tier, trackers[i].announce );
|
|
}
|
|
|
|
/* try to parse it back again, to make sure it's good */
|
|
memset( &tmpInfo, 0, sizeof( tr_info ) );
|
|
if( tr_metainfoParse( tor->session, &tmpInfo, &metainfo ) )
|
|
{
|
|
/* it's good, so keep these new trackers and free the old ones */
|
|
|
|
tr_info swap;
|
|
swap.trackers = tor->info.trackers;
|
|
swap.trackerCount = tor->info.trackerCount;
|
|
tor->info.trackers = tmpInfo.trackers;
|
|
tor->info.trackerCount = tmpInfo.trackerCount;
|
|
tmpInfo.trackers = swap.trackers;
|
|
tmpInfo.trackerCount = swap.trackerCount;
|
|
|
|
tr_metainfoFree( &tmpInfo );
|
|
tr_bencToFile( &metainfo, TR_FMT_BENC, tor->info.torrent );
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_bencFree( &metainfo );
|
|
|
|
/* tell the announcer to reload this torrent's tracker list */
|
|
tr_announcerResetTorrent( tor->session->announcer, tor );
|
|
}
|
|
|
|
return TR_ANNOUNCE_LIST_OK;
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
void
|
|
tr_torrentSetAddedDate( tr_torrent * tor,
|
|
time_t t )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tor->addedDate = t;
|
|
tor->anyDate = MAX( tor->anyDate, tor->addedDate );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetActivityDate( tr_torrent * tor, time_t t )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tor->activityDate = t;
|
|
tor->anyDate = MAX( tor->anyDate, tor->activityDate );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetDoneDate( tr_torrent * tor,
|
|
time_t t )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
tor->doneDate = t;
|
|
tor->anyDate = MAX( tor->anyDate, tor->doneDate );
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
uint64_t
|
|
tr_torrentGetBytesLeftToAllocate( const tr_torrent * tor )
|
|
{
|
|
tr_file_index_t i;
|
|
uint64_t bytesLeft = 0;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
for( i=0; i<tor->info.fileCount; ++i )
|
|
{
|
|
if( !tor->info.files[i].dnd )
|
|
{
|
|
struct stat sb;
|
|
const uint64_t length = tor->info.files[i].length;
|
|
char * path = tr_torrentFindFile( tor, i );
|
|
|
|
bytesLeft += length;
|
|
|
|
if( ( path != NULL ) && !stat( path, &sb )
|
|
&& S_ISREG( sb.st_mode )
|
|
&& ( (uint64_t)sb.st_size <= length ) )
|
|
bytesLeft -= sb.st_size;
|
|
|
|
tr_free( path );
|
|
}
|
|
}
|
|
|
|
return bytesLeft;
|
|
}
|
|
|
|
/****
|
|
***** Removing the torrent's local data
|
|
****/
|
|
|
|
static int
|
|
vstrcmp( const void * a, const void * b )
|
|
{
|
|
return strcmp( a, b );
|
|
}
|
|
|
|
static int
|
|
compareLongestFirst( const void * a, const void * b )
|
|
{
|
|
const size_t alen = strlen( a );
|
|
const size_t blen = strlen( b );
|
|
|
|
if( alen != blen )
|
|
return alen > blen ? -1 : 1;
|
|
|
|
return vstrcmp( a, b );
|
|
}
|
|
|
|
static void
|
|
addDirtyFile( const char * root,
|
|
const char * filename,
|
|
tr_ptrArray * dirtyFolders )
|
|
{
|
|
char * dir = tr_dirname( filename );
|
|
|
|
/* add the parent folders to dirtyFolders until we reach the root or a known-dirty */
|
|
while ( ( dir != NULL )
|
|
&& ( strlen( root ) <= strlen( dir ) )
|
|
&& ( tr_ptrArrayFindSorted( dirtyFolders, dir, vstrcmp ) == NULL ) )
|
|
{
|
|
char * tmp;
|
|
tr_ptrArrayInsertSorted( dirtyFolders, tr_strdup( dir ), vstrcmp );
|
|
|
|
tmp = tr_dirname( dir );
|
|
tr_free( dir );
|
|
dir = tmp;
|
|
}
|
|
|
|
tr_free( dir );
|
|
}
|
|
|
|
static void
|
|
walkLocalData( const tr_torrent * tor,
|
|
const char * root,
|
|
const char * dir,
|
|
const char * base,
|
|
tr_ptrArray * torrentFiles,
|
|
tr_ptrArray * folders,
|
|
tr_ptrArray * dirtyFolders )
|
|
{
|
|
int i;
|
|
struct stat sb;
|
|
char * buf;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
buf = tr_buildPath( dir, base, NULL );
|
|
i = stat( buf, &sb );
|
|
if( !i )
|
|
{
|
|
DIR * odir = NULL;
|
|
|
|
if( S_ISDIR( sb.st_mode ) && ( ( odir = opendir ( buf ) ) ) )
|
|
{
|
|
struct dirent *d;
|
|
tr_ptrArrayInsertSorted( folders, tr_strdup( buf ), vstrcmp );
|
|
for( d = readdir( odir ); d != NULL; d = readdir( odir ) )
|
|
if( d->d_name && d->d_name[0] != '.' ) /* skip dotfiles */
|
|
walkLocalData( tor, root, buf, d->d_name, torrentFiles, folders, dirtyFolders );
|
|
closedir( odir );
|
|
}
|
|
else if( S_ISREG( sb.st_mode ) && ( sb.st_size > 0 ) )
|
|
{
|
|
const char * sub = buf + strlen( tor->currentDir ) + strlen( TR_PATH_DELIMITER_STR );
|
|
const tr_bool isTorrentFile = tr_ptrArrayFindSorted( torrentFiles, sub, vstrcmp ) != NULL;
|
|
if( !isTorrentFile )
|
|
addDirtyFile( root, buf, dirtyFolders );
|
|
}
|
|
}
|
|
|
|
tr_free( buf );
|
|
}
|
|
|
|
static void
|
|
deleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc )
|
|
{
|
|
int i, n;
|
|
char ** s;
|
|
tr_file_index_t f;
|
|
tr_ptrArray torrentFiles = TR_PTR_ARRAY_INIT;
|
|
tr_ptrArray folders = TR_PTR_ARRAY_INIT;
|
|
tr_ptrArray dirtyFolders = TR_PTR_ARRAY_INIT; /* dirty == contains non-torrent files */
|
|
|
|
const char * firstFile = tor->info.files[0].name;
|
|
const char * cpch = strchr( firstFile, TR_PATH_DELIMITER );
|
|
char * tmp = cpch ? tr_strndup( firstFile, cpch - firstFile ) : NULL;
|
|
char * root = tr_buildPath( tor->currentDir, tmp, NULL );
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
for( f=0; f<tor->info.fileCount; ++f ) {
|
|
tr_ptrArrayInsertSorted( &torrentFiles, tr_strdup( tor->info.files[f].name ), vstrcmp );
|
|
tr_ptrArrayInsertSorted( &torrentFiles, tr_torrentBuildPartial( tor, f ), vstrcmp );
|
|
}
|
|
|
|
/* build the set of folders and dirtyFolders */
|
|
walkLocalData( tor, root, root, NULL, &torrentFiles, &folders, &dirtyFolders );
|
|
|
|
/* try to remove entire folders first, so that the recycle bin will be tidy */
|
|
s = (char**) tr_ptrArrayPeek( &folders, &n );
|
|
for( i=0; i<n; ++i )
|
|
if( tr_ptrArrayFindSorted( &dirtyFolders, s[i], vstrcmp ) == NULL )
|
|
fileFunc( s[i] );
|
|
|
|
/* now blow away any remaining torrent files, such as torrent files in dirty folders */
|
|
for( f=0; f<tor->info.fileCount; ++f ) {
|
|
char * path = tr_buildPath( tor->currentDir, tor->info.files[f].name, NULL );
|
|
fileFunc( path );
|
|
tr_free( path );
|
|
}
|
|
|
|
/* Now clean out the directories left empty from the previous step.
|
|
* Work from deepest to shallowest s.t. lower folders
|
|
* won't prevent the upper folders from being deleted */
|
|
{
|
|
tr_ptrArray cleanFolders = TR_PTR_ARRAY_INIT;
|
|
s = (char**) tr_ptrArrayPeek( &folders, &n );
|
|
for( i=0; i<n; ++i )
|
|
if( tr_ptrArrayFindSorted( &dirtyFolders, s[i], vstrcmp ) == NULL )
|
|
tr_ptrArrayInsertSorted( &cleanFolders, s[i], compareLongestFirst );
|
|
s = (char**) tr_ptrArrayPeek( &cleanFolders, &n );
|
|
for( i=0; i<n; ++i )
|
|
fileFunc( s[i] );
|
|
tr_ptrArrayDestruct( &cleanFolders, NULL );
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_ptrArrayDestruct( &dirtyFolders, tr_free );
|
|
tr_ptrArrayDestruct( &folders, tr_free );
|
|
tr_ptrArrayDestruct( &torrentFiles, tr_free );
|
|
tr_free( root );
|
|
tr_free( tmp );
|
|
}
|
|
|
|
void
|
|
tr_torrentDeleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc )
|
|
{
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( fileFunc == NULL )
|
|
fileFunc = remove;
|
|
|
|
/* close all the files because we're about to delete them */
|
|
tr_fdTorrentClose( tor->uniqueId );
|
|
|
|
if( tor->info.fileCount > 1 )
|
|
deleteLocalData( tor, fileFunc );
|
|
else {
|
|
/* torrent only has one file */
|
|
char * path = tr_torrentFindFile( tor, 0 );
|
|
fileFunc( path );
|
|
tr_free( path );
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
struct LocationData
|
|
{
|
|
tr_bool move_from_old_location;
|
|
int * setme_state;
|
|
double * setme_progress;
|
|
char * location;
|
|
tr_torrent * tor;
|
|
};
|
|
|
|
static void
|
|
setLocation( void * vdata )
|
|
{
|
|
tr_bool err = FALSE;
|
|
tr_bool verify_needed = FALSE;
|
|
struct LocationData * data = vdata;
|
|
tr_torrent * tor = data->tor;
|
|
const tr_bool do_move = data->move_from_old_location;
|
|
const char * location = data->location;
|
|
double bytesHandled = 0;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( strcmp( location, tor->currentDir ) )
|
|
{
|
|
tr_file_index_t i;
|
|
|
|
/* bad idea to move files while they're being verified... */
|
|
tr_verifyRemove( tor );
|
|
|
|
/* if the torrent is running, stop it and set a flag to
|
|
* restart after we're done */
|
|
if( tor->isRunning )
|
|
{
|
|
tr_torrentStop( tor );
|
|
tor->startAfterVerify = TRUE;
|
|
}
|
|
|
|
/* try to move the files.
|
|
* FIXME: there are still all kinds of nasty cases, like what
|
|
* if the target directory runs out of space halfway through... */
|
|
for( i=0; !err && i<tor->info.fileCount; ++i )
|
|
{
|
|
const tr_file * f = &tor->info.files[i];
|
|
const char * oldbase;
|
|
char * sub;
|
|
if( tr_torrentFindFile2( tor, i, &oldbase, &sub ) )
|
|
{
|
|
char * oldpath = tr_buildPath( oldbase, sub, NULL );
|
|
char * newpath = tr_buildPath( location, sub, NULL );
|
|
|
|
if( do_move )
|
|
{
|
|
errno = 0;
|
|
tr_torinf( tor, "moving \"%s\" to \"%s\"", oldpath, newpath );
|
|
if( rename( oldpath, newpath ) )
|
|
{
|
|
verify_needed = TRUE;
|
|
if( tr_moveFile( oldpath, newpath ) )
|
|
{
|
|
err = TRUE;
|
|
tr_torerr( tor, "error moving \"%s\" to \"%s\": %s",
|
|
oldpath, newpath, tr_strerror( errno ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
tr_free( newpath );
|
|
tr_free( oldpath );
|
|
tr_free( sub );
|
|
}
|
|
|
|
if( data->setme_progress )
|
|
{
|
|
bytesHandled += f->length;
|
|
*data->setme_progress = bytesHandled / tor->info.totalSize;
|
|
}
|
|
}
|
|
|
|
if( !err )
|
|
{
|
|
/* blow away the leftover subdirectories in the old location */
|
|
if( do_move && verify_needed )
|
|
tr_torrentDeleteLocalData( tor, remove );
|
|
|
|
/* set the new location and reverify */
|
|
tr_torrentSetDownloadDir( tor, location );
|
|
if( verify_needed )
|
|
tr_torrentVerify( tor );
|
|
}
|
|
}
|
|
|
|
if( data->setme_state )
|
|
*data->setme_state = err ? TR_LOC_ERROR : TR_LOC_DONE;
|
|
|
|
/* cleanup */
|
|
tr_free( data->location );
|
|
tr_free( data );
|
|
}
|
|
|
|
void
|
|
tr_torrentSetLocation( tr_torrent * tor,
|
|
const char * location,
|
|
tr_bool move_from_old_location,
|
|
double * setme_progress,
|
|
int * setme_state )
|
|
{
|
|
struct LocationData * data;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
if( setme_state )
|
|
*setme_state = TR_LOC_MOVING;
|
|
if( setme_progress )
|
|
*setme_progress = 0;
|
|
|
|
/* run this in the libtransmission thread */
|
|
data = tr_new( struct LocationData, 1 );
|
|
data->tor = tor;
|
|
data->location = tr_strdup( location );
|
|
data->move_from_old_location = move_from_old_location;
|
|
data->setme_state = setme_state;
|
|
data->setme_progress = setme_progress;
|
|
tr_runInEventThread( tor->session, setLocation, data );
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void
|
|
tr_torrentCheckSeedRatio( tr_torrent * tor )
|
|
{
|
|
double seedRatio;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
/* if we're seeding and we've reached our seed ratio limit, stop the torrent */
|
|
if( tor->isRunning && tr_torrentIsSeed( tor ) && tr_torrentGetSeedRatio( tor, &seedRatio ) )
|
|
{
|
|
const uint64_t up = tor->uploadedCur + tor->uploadedPrev;
|
|
uint64_t down = tor->downloadedCur + tor->downloadedPrev;
|
|
double ratio;
|
|
|
|
/* maybe we're the initial seeder and never downloaded anything... */
|
|
if( down == 0 )
|
|
down = tr_cpHaveValid( &tor->completion );
|
|
|
|
ratio = tr_getRatio( up, down );
|
|
|
|
if( ratio >= seedRatio || ratio == TR_RATIO_INF )
|
|
{
|
|
tr_torrentStop( tor );
|
|
|
|
/* set to no ratio limit to allow easy restarting */
|
|
tr_torrentSetRatioMode( tor, TR_RATIOLIMIT_UNLIMITED );
|
|
|
|
/* maybe notify the client */
|
|
if( tor->ratio_limit_hit_func != NULL )
|
|
tor->ratio_limit_hit_func( tor, tor->ratio_limit_hit_func_user_data );
|
|
}
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void
|
|
tr_torrentFileCompleted( tr_torrent * tor, tr_file_index_t fileNum )
|
|
{
|
|
char * sub;
|
|
const char * base;
|
|
|
|
/* close the file so that we can reopen in read-only mode as needed */
|
|
tr_fdFileClose( tor, fileNum );
|
|
|
|
/* if the torrent's filename on disk isn't the same as the one in the metadata,
|
|
* then it's been modified to denote that it was a partial file.
|
|
* Now that it's complete, use the proper filename. */
|
|
if( tr_torrentFindFile2( tor, fileNum, &base, &sub ) )
|
|
{
|
|
const tr_file * file = &tor->info.files[fileNum];
|
|
|
|
if( strcmp( sub, file->name ) )
|
|
{
|
|
char * oldpath = tr_buildPath( base, sub, NULL );
|
|
char * newpath = tr_buildPath( base, file->name, NULL );
|
|
|
|
if( rename( oldpath, newpath ) )
|
|
tr_torerr( tor, "Error moving \"%s\" to \"%s\": %s", oldpath, newpath, tr_strerror( errno ) );
|
|
|
|
tr_free( newpath );
|
|
tr_free( oldpath );
|
|
}
|
|
|
|
tr_free( sub );
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static tr_bool
|
|
fileExists( const char * filename )
|
|
{
|
|
struct stat sb;
|
|
const tr_bool ok = !stat( filename, &sb );
|
|
return ok;
|
|
}
|
|
|
|
tr_bool
|
|
tr_torrentFindFile2( const tr_torrent * tor, tr_file_index_t fileNum,
|
|
const char ** base, char ** subpath )
|
|
{
|
|
char * part;
|
|
const tr_file * file;
|
|
const char * b = NULL;
|
|
const char * s = NULL;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
assert( fileNum < tor->info.fileCount );
|
|
|
|
file = &tor->info.files[fileNum];
|
|
part = tr_torrentBuildPartial( tor, fileNum );
|
|
|
|
if( b == NULL ) {
|
|
char * filename = tr_buildPath( tor->downloadDir, file->name, NULL );
|
|
if( fileExists( filename ) ) {
|
|
b = tor->downloadDir;
|
|
s = file->name;
|
|
}
|
|
tr_free( filename );
|
|
}
|
|
|
|
if( ( b == NULL ) && ( tor->incompleteDir != NULL ) ) {
|
|
char * filename = tr_buildPath( tor->incompleteDir, file->name, NULL );
|
|
if( fileExists( filename ) ) {
|
|
b = tor->incompleteDir;
|
|
s = file->name;
|
|
}
|
|
tr_free( filename );
|
|
}
|
|
|
|
if( ( b == NULL ) && ( tor->incompleteDir != NULL ) ) {
|
|
char * filename = tr_buildPath( tor->incompleteDir, part, NULL );
|
|
if( fileExists( filename ) ) {
|
|
b = tor->incompleteDir;
|
|
s = part;
|
|
}
|
|
tr_free( filename );
|
|
}
|
|
|
|
if( b == NULL) {
|
|
char * filename = tr_buildPath( tor->downloadDir, part, NULL );
|
|
if( fileExists( filename ) ) {
|
|
b = tor->downloadDir;
|
|
s = part;
|
|
}
|
|
tr_free( filename );
|
|
}
|
|
|
|
if( base != NULL )
|
|
*base = b;
|
|
if( subpath != NULL )
|
|
*subpath = tr_strdup( s );
|
|
|
|
tr_free( part );
|
|
return b != NULL;
|
|
}
|
|
|
|
|
|
char*
|
|
tr_torrentFindFile( const tr_torrent * tor, tr_file_index_t fileNum )
|
|
{
|
|
char * subpath;
|
|
char * ret = NULL;
|
|
const char * base;
|
|
|
|
if( tr_torrentFindFile2( tor, fileNum, &base, &subpath ) )
|
|
{
|
|
ret = tr_buildPath( base, subpath, NULL );
|
|
tr_free( subpath );
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Decide whether we should be looking for files in downloadDir or incompleteDir. */
|
|
static void
|
|
refreshCurrentDir( tr_torrent * tor )
|
|
{
|
|
const char * dir = NULL;
|
|
char * sub;
|
|
|
|
if( tor->incompleteDir == NULL )
|
|
dir = tor->downloadDir;
|
|
else if( !tr_torrentFindFile2( tor, 0, &dir, &sub ) )
|
|
dir = tor->incompleteDir;
|
|
|
|
assert( dir != NULL );
|
|
assert( ( dir == tor->downloadDir ) || ( dir == tor->incompleteDir ) );
|
|
tor->currentDir = dir;
|
|
}
|
|
|
|
char*
|
|
tr_torrentBuildPartial( const tr_torrent * tor, tr_file_index_t fileNum )
|
|
{
|
|
return tr_strdup_printf( "%s.part", tor->info.files[fileNum].name );
|
|
}
|