mirror of
https://github.com/transmission/transmission
synced 2024-12-26 17:47:37 +00:00
749 lines
21 KiB
C
749 lines
21 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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#include <unistd.h> /* unlink */
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#include <string.h>
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#include "transmission.h"
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#include "bencode.h"
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#include "completion.h"
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#include "peer-mgr.h" /* pex */
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#include "platform.h" /* tr_getResumeDir */
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#include "resume.h"
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#include "session.h"
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#include "torrent.h"
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#include "utils.h" /* tr_buildPath */
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#define KEY_ACTIVITY_DATE "activity-date"
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#define KEY_ADDED_DATE "added-date"
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#define KEY_CORRUPT "corrupt"
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#define KEY_DONE_DATE "done-date"
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#define KEY_DOWNLOAD_DIR "destination"
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#define KEY_DND "dnd"
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#define KEY_DOWNLOADED "downloaded"
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#define KEY_INCOMPLETE_DIR "incomplete-dir"
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#define KEY_MAX_PEERS "max-peers"
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#define KEY_PAUSED "paused"
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#define KEY_PEERS "peers2"
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#define KEY_PEERS6 "peers2-6"
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#define KEY_FILE_PRIORITIES "priority"
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#define KEY_BANDWIDTH_PRIORITY "bandwidth-priority"
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#define KEY_PROGRESS "progress"
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#define KEY_SPEEDLIMIT_OLD "speed-limit"
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#define KEY_SPEEDLIMIT_UP "speed-limit-up"
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#define KEY_SPEEDLIMIT_DOWN "speed-limit-down"
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#define KEY_RATIOLIMIT "ratio-limit"
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#define KEY_UPLOADED "uploaded"
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#define KEY_SPEED "speed"
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#define KEY_USE_GLOBAL_SPEED_LIMIT "use-global-speed-limit"
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#define KEY_USE_SPEED_LIMIT "use-speed-limit"
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#define KEY_SPEEDLIMIT_DOWN_SPEED "down-speed"
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#define KEY_SPEEDLIMIT_DOWN_MODE "down-mode"
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#define KEY_SPEEDLIMIT_UP_SPEED "up-speed"
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#define KEY_SPEEDLIMIT_UP_MODE "up-mode"
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#define KEY_RATIOLIMIT_RATIO "ratio-limit"
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#define KEY_RATIOLIMIT_MODE "ratio-mode"
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#define KEY_PROGRESS_MTIMES "mtimes"
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#define KEY_PROGRESS_BITFIELD "bitfield"
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enum
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{
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MAX_REMEMBERED_PEERS = 200
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};
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static char*
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getResumeFilename( const tr_torrent * tor )
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{
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return tr_strdup_printf( "%s%c%s.%16.16s.resume",
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tr_getResumeDir( tor->session ),
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TR_PATH_DELIMITER,
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tr_torrentName( tor ),
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tor->info.hashString );
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}
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/***
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****
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***/
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static void
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savePeers( tr_benc * dict, const tr_torrent * tor )
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{
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int count;
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tr_pex * pex;
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count = tr_peerMgrGetPeers( (tr_torrent*) tor, &pex, TR_AF_INET, TR_PEERS_ALL, MAX_REMEMBERED_PEERS );
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if( count > 0 )
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tr_bencDictAddRaw( dict, KEY_PEERS, pex, sizeof( tr_pex ) * count );
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tr_free( pex );
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count = tr_peerMgrGetPeers( (tr_torrent*) tor, &pex, TR_AF_INET6, TR_PEERS_ALL, MAX_REMEMBERED_PEERS );
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if( count > 0 )
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tr_bencDictAddRaw( dict, KEY_PEERS6, pex, sizeof( tr_pex ) * count );
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tr_free( pex );
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}
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static tr_bool
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tr_isPex( const tr_pex * pex )
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{
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return tr_isAddress( &pex->addr )
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&& ( pex->flags & 3 ) == pex->flags;
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}
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static int
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addPeers( tr_torrent * tor, const uint8_t * buf, int buflen )
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{
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int i;
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int numAdded = 0;
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const int count = buflen / sizeof( tr_pex );
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for( i=0; i<count && numAdded<MAX_REMEMBERED_PEERS; ++i )
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{
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tr_pex pex;
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memcpy( &pex, buf + ( i * sizeof( tr_pex ) ), sizeof( tr_pex ) );
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if( tr_isPex( &pex ) )
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{
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tr_peerMgrAddPex( tor, TR_PEER_FROM_RESUME, &pex );
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++numAdded;
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}
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}
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return numAdded;
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}
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static uint64_t
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loadPeers( tr_benc * dict, tr_torrent * tor )
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{
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uint64_t ret = 0;
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const uint8_t * str;
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size_t len;
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if( tr_bencDictFindRaw( dict, KEY_PEERS, &str, &len ) )
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{
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const int numAdded = addPeers( tor, str, len );
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tr_tordbg( tor, "Loaded %d IPv4 peers from resume file", numAdded );
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ret = TR_FR_PEERS;
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}
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if( tr_bencDictFindRaw( dict, KEY_PEERS6, &str, &len ) )
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{
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const int numAdded = addPeers( tor, str, len );
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tr_tordbg( tor, "Loaded %d IPv6 peers from resume file", numAdded );
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ret = TR_FR_PEERS;
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}
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return ret;
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}
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/***
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****
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***/
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static void
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saveDND( tr_benc * dict,
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const tr_torrent * tor )
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{
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const tr_info * inf = tr_torrentInfo( tor );
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const tr_file_index_t n = inf->fileCount;
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tr_file_index_t i;
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tr_benc * list;
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list = tr_bencDictAddList( dict, KEY_DND, n );
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for( i = 0; i < n; ++i )
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tr_bencListAddInt( list, inf->files[i].dnd ? 1 : 0 );
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}
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static uint64_t
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loadDND( tr_benc * dict,
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tr_torrent * tor )
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{
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uint64_t ret = 0;
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tr_info * inf = &tor->info;
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const tr_file_index_t n = inf->fileCount;
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tr_benc * list = NULL;
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if( tr_bencDictFindList( dict, KEY_DND, &list )
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&& ( tr_bencListSize( list ) == n ) )
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{
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int64_t tmp;
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tr_file_index_t * dl = tr_new( tr_file_index_t, n );
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tr_file_index_t * dnd = tr_new( tr_file_index_t, n );
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tr_file_index_t i, dlCount = 0, dndCount = 0;
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for( i = 0; i < n; ++i )
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{
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if( tr_bencGetInt( tr_bencListChild( list, i ), &tmp ) && tmp )
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dnd[dndCount++] = i;
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else
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dl[dlCount++] = i;
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}
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if( dndCount )
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{
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tr_torrentInitFileDLs ( tor, dnd, dndCount, FALSE );
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tr_tordbg( tor, "Resume file found %d files listed as dnd",
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dndCount );
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}
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if( dlCount )
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{
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tr_torrentInitFileDLs ( tor, dl, dlCount, TRUE );
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tr_tordbg( tor,
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"Resume file found %d files marked for download",
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dlCount );
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}
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tr_free( dnd );
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tr_free( dl );
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ret = TR_FR_DND;
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}
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else
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{
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tr_tordbg(
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tor,
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"Couldn't load DND flags. dnd list (%p) has %zu children; torrent has %d files",
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list, tr_bencListSize( list ), (int)n );
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}
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return ret;
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}
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/***
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****
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***/
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static void
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saveFilePriorities( tr_benc * dict, const tr_torrent * tor )
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{
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const tr_info * inf = tr_torrentInfo( tor );
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const tr_file_index_t n = inf->fileCount;
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tr_file_index_t i;
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tr_benc * list;
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list = tr_bencDictAddList( dict, KEY_FILE_PRIORITIES, n );
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for( i = 0; i < n; ++i )
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tr_bencListAddInt( list, inf->files[i].priority );
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}
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static uint64_t
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loadFilePriorities( tr_benc * dict, tr_torrent * tor )
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{
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uint64_t ret = 0;
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tr_info * inf = &tor->info;
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const tr_file_index_t n = inf->fileCount;
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tr_benc * list;
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if( tr_bencDictFindList( dict, KEY_FILE_PRIORITIES, &list )
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&& ( tr_bencListSize( list ) == n ) )
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{
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int64_t priority;
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tr_file_index_t i;
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for( i = 0; i < n; ++i )
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if( tr_bencGetInt( tr_bencListChild( list, i ), &priority ) )
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tr_torrentInitFilePriority( tor, i, priority );
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ret = TR_FR_FILE_PRIORITIES;
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}
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return ret;
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}
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/***
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****
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***/
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static void
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saveSingleSpeedLimit( tr_benc * d, const tr_torrent * tor, tr_direction dir )
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{
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tr_bencDictReserve( d, 3 );
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tr_bencDictAddInt( d, KEY_SPEED, tr_torrentGetSpeedLimit( tor, dir ) );
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tr_bencDictAddBool( d, KEY_USE_GLOBAL_SPEED_LIMIT, tr_torrentUsesSessionLimits( tor ) );
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tr_bencDictAddBool( d, KEY_USE_SPEED_LIMIT, tr_torrentUsesSpeedLimit( tor, dir ) );
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}
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static void
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saveSpeedLimits( tr_benc * dict, const tr_torrent * tor )
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{
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saveSingleSpeedLimit( tr_bencDictAddDict( dict, KEY_SPEEDLIMIT_DOWN, 0 ), tor, TR_DOWN );
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saveSingleSpeedLimit( tr_bencDictAddDict( dict, KEY_SPEEDLIMIT_UP, 0 ), tor, TR_UP );
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}
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static void
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saveRatioLimits( tr_benc * dict, const tr_torrent * tor )
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{
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tr_benc * d = tr_bencDictAddDict( dict, KEY_RATIOLIMIT, 2 );
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tr_bencDictAddReal( d, KEY_RATIOLIMIT_RATIO, tr_torrentGetRatioLimit( tor ) );
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tr_bencDictAddInt( d, KEY_RATIOLIMIT_MODE, tr_torrentGetRatioMode( tor ) );
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}
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static void
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loadSingleSpeedLimit( tr_benc * d, tr_direction dir, tr_torrent * tor )
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{
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int64_t i;
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tr_bool boolVal;
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if( tr_bencDictFindInt( d, KEY_SPEED, &i ) )
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tr_torrentSetSpeedLimit( tor, dir, i );
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if( tr_bencDictFindBool( d, KEY_USE_SPEED_LIMIT, &boolVal ) )
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tr_torrentUseSpeedLimit( tor, dir, boolVal );
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if( tr_bencDictFindBool( d, KEY_USE_GLOBAL_SPEED_LIMIT, &boolVal ) )
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tr_torrentUseSessionLimits( tor, boolVal );
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}
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enum old_speed_modes
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{
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TR_SPEEDLIMIT_GLOBAL, /* only follow the overall speed limit */
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TR_SPEEDLIMIT_SINGLE /* only follow the per-torrent limit */
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};
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static uint64_t
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loadSpeedLimits( tr_benc * dict, tr_torrent * tor )
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{
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uint64_t ret = 0;
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tr_benc * d;
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if( tr_bencDictFindDict( dict, KEY_SPEEDLIMIT_UP, &d ) )
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{
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loadSingleSpeedLimit( d, TR_UP, tor );
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ret = TR_FR_SPEEDLIMIT;
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}
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if( tr_bencDictFindDict( dict, KEY_SPEEDLIMIT_DOWN, &d ) )
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{
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loadSingleSpeedLimit( d, TR_DOWN, tor );
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ret = TR_FR_SPEEDLIMIT;
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}
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/* older speedlimit structure */
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if( !ret && tr_bencDictFindDict( dict, KEY_SPEEDLIMIT_OLD, &d ) )
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{
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int64_t i;
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if( tr_bencDictFindInt( d, KEY_SPEEDLIMIT_DOWN_SPEED, &i ) )
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tr_torrentSetSpeedLimit( tor, TR_DOWN, i );
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if( tr_bencDictFindInt( d, KEY_SPEEDLIMIT_DOWN_MODE, &i ) ) {
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tr_torrentUseSpeedLimit( tor, TR_DOWN, i==TR_SPEEDLIMIT_SINGLE );
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tr_torrentUseSessionLimits( tor, i==TR_SPEEDLIMIT_GLOBAL );
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}
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if( tr_bencDictFindInt( d, KEY_SPEEDLIMIT_UP_SPEED, &i ) )
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tr_torrentSetSpeedLimit( tor, TR_UP, i );
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if( tr_bencDictFindInt( d, KEY_SPEEDLIMIT_UP_MODE, &i ) ) {
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tr_torrentUseSpeedLimit( tor, TR_UP, i==TR_SPEEDLIMIT_SINGLE );
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tr_torrentUseSessionLimits( tor, i==TR_SPEEDLIMIT_GLOBAL );
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}
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ret = TR_FR_SPEEDLIMIT;
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}
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return ret;
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}
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static uint64_t
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loadRatioLimits( tr_benc * dict,
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tr_torrent * tor )
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{
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uint64_t ret = 0;
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tr_benc * d;
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if( tr_bencDictFindDict( dict, KEY_RATIOLIMIT, &d ) )
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{
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int64_t i;
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double dratio;
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if( tr_bencDictFindReal( d, KEY_RATIOLIMIT_RATIO, &dratio ) )
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tr_torrentSetRatioLimit( tor, dratio );
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if( tr_bencDictFindInt( d, KEY_RATIOLIMIT_MODE, &i ) )
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tr_torrentSetRatioMode( tor, i );
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ret = TR_FR_RATIOLIMIT;
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}
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return ret;
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}
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/***
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****
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***/
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static void
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saveProgress( tr_benc * dict,
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const tr_torrent * tor )
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{
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size_t i, n;
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time_t * mtimes;
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tr_benc * p;
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tr_benc * m;
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const tr_bitfield * bitfield;
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p = tr_bencDictAdd( dict, KEY_PROGRESS );
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tr_bencInitDict( p, 2 );
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/* add the mtimes */
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mtimes = tr_torrentGetMTimes( tor, &n );
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m = tr_bencDictAddList( p, KEY_PROGRESS_MTIMES, n );
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for( i = 0; i < n; ++i )
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{
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if( !tr_torrentIsFileChecked( tor, i ) )
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mtimes[i] = ~(time_t)0; /* force a recheck */
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tr_bencListAddInt( m, mtimes[i] );
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}
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/* add the bitfield */
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bitfield = tr_cpBlockBitfield( &tor->completion );
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tr_bencDictAddRaw( p, KEY_PROGRESS_BITFIELD,
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bitfield->bits, bitfield->byteCount );
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/* cleanup */
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tr_free( mtimes );
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}
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static uint64_t
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loadProgress( tr_benc * dict,
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tr_torrent * tor )
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{
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uint64_t ret = 0;
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tr_benc * p;
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if( tr_bencDictFindDict( dict, KEY_PROGRESS, &p ) )
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{
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const uint8_t * raw;
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size_t rawlen;
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tr_benc * m;
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size_t n;
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time_t * curMTimes = tr_torrentGetMTimes( tor, &n );
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if( tr_bencDictFindList( p, KEY_PROGRESS_MTIMES, &m )
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&& ( n == tor->info.fileCount )
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&& ( n == tr_bencListSize( m ) ) )
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{
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size_t i;
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for( i = 0; i < n; ++i )
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{
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int64_t tmp;
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if( !tr_bencGetInt( tr_bencListChild( m, i ), &tmp ) )
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{
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tr_tordbg(
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tor,
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"File #%zu needs to be verified - couldn't find benc entry",
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i );
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tr_torrentSetFileChecked( tor, i, FALSE );
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}
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else
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{
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const time_t t = (time_t) tmp;
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if( t == curMTimes[i] )
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tr_torrentSetFileChecked( tor, i, TRUE );
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else
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{
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tr_tordbg(
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tor,
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"File #%zu needs to be verified - times %lu and %lu don't match",
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i, t, curMTimes[i] );
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tr_torrentSetFileChecked( tor, i, FALSE );
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}
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}
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}
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}
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else
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{
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tr_torrentUncheck( tor );
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tr_tordbg(
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tor, "Torrent needs to be verified - unable to find mtimes" );
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}
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if( tr_bencDictFindRaw( p, KEY_PROGRESS_BITFIELD, &raw, &rawlen ) )
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{
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tr_bitfield tmp;
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tmp.byteCount = rawlen;
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tmp.bitCount = tmp.byteCount * 8;
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tmp.bits = (uint8_t*) raw;
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if( !tr_cpBlockBitfieldSet( &tor->completion, &tmp ) )
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{
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tr_torrentUncheck( tor );
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tr_tordbg(
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tor,
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"Torrent needs to be verified - error loading bitfield" );
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}
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}
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else
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{
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tr_torrentUncheck( tor );
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tr_tordbg(
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tor,
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"Torrent needs to be verified - unable to find bitfield" );
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}
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tr_free( curMTimes );
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ret = TR_FR_PROGRESS;
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}
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return ret;
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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_torrentSaveResume( const tr_torrent * tor )
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{
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tr_benc top;
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char * filename;
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|
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if( !tr_isTorrent( tor ) )
|
|
return;
|
|
|
|
tr_tordbg( tor, "Saving .resume file for \"%s\"", tr_torrentName( tor ) );
|
|
|
|
tr_bencInitDict( &top, 33 ); /* arbitrary "big enough" number */
|
|
tr_bencDictAddInt( &top, KEY_ACTIVITY_DATE, tor->activityDate );
|
|
tr_bencDictAddInt( &top, KEY_ADDED_DATE, tor->addedDate );
|
|
tr_bencDictAddInt( &top, KEY_CORRUPT, tor->corruptPrev + tor->corruptCur );
|
|
tr_bencDictAddInt( &top, KEY_DONE_DATE, tor->doneDate );
|
|
tr_bencDictAddStr( &top, KEY_DOWNLOAD_DIR, tor->downloadDir );
|
|
if( tor->incompleteDir != NULL )
|
|
tr_bencDictAddStr( &top, KEY_INCOMPLETE_DIR, tor->incompleteDir );
|
|
tr_bencDictAddInt( &top, KEY_DOWNLOADED, tor->downloadedPrev + tor->downloadedCur );
|
|
tr_bencDictAddInt( &top, KEY_UPLOADED, tor->uploadedPrev + tor->uploadedCur );
|
|
tr_bencDictAddInt( &top, KEY_MAX_PEERS, tor->maxConnectedPeers );
|
|
tr_bencDictAddInt( &top, KEY_BANDWIDTH_PRIORITY, tr_torrentGetPriority( tor ) );
|
|
tr_bencDictAddBool( &top, KEY_PAUSED, !tor->isRunning );
|
|
savePeers( &top, tor );
|
|
if( tr_torrentHasMetadata( tor ) )
|
|
{
|
|
saveFilePriorities( &top, tor );
|
|
saveDND( &top, tor );
|
|
saveProgress( &top, tor );
|
|
}
|
|
saveSpeedLimits( &top, tor );
|
|
saveRatioLimits( &top, tor );
|
|
|
|
filename = getResumeFilename( tor );
|
|
tr_bencToFile( &top, TR_FMT_BENC, filename );
|
|
tr_free( filename );
|
|
|
|
tr_bencFree( &top );
|
|
}
|
|
|
|
static uint64_t
|
|
loadFromFile( tr_torrent * tor,
|
|
uint64_t fieldsToLoad )
|
|
{
|
|
int64_t i;
|
|
const char * str;
|
|
uint64_t fieldsLoaded = 0;
|
|
char * filename;
|
|
tr_benc top;
|
|
tr_bool boolVal;
|
|
const tr_bool wasDirty = tor->isDirty;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
filename = getResumeFilename( tor );
|
|
|
|
if( tr_bencLoadFile( &top, TR_FMT_BENC, filename ) )
|
|
{
|
|
tr_tordbg( tor, "Couldn't read \"%s\"", filename );
|
|
|
|
tr_free( filename );
|
|
return fieldsLoaded;
|
|
}
|
|
|
|
tr_tordbg( tor, "Read resume file \"%s\"", filename );
|
|
|
|
if( ( fieldsToLoad & TR_FR_CORRUPT )
|
|
&& tr_bencDictFindInt( &top, KEY_CORRUPT, &i ) )
|
|
{
|
|
tor->corruptPrev = i;
|
|
fieldsLoaded |= TR_FR_CORRUPT;
|
|
}
|
|
|
|
if( ( fieldsToLoad & ( TR_FR_PROGRESS | TR_FR_DOWNLOAD_DIR ) )
|
|
&& ( tr_bencDictFindStr( &top, KEY_DOWNLOAD_DIR, &str ) )
|
|
&& ( str && *str ) )
|
|
{
|
|
tr_free( tor->downloadDir );
|
|
tor->downloadDir = tr_strdup( str );
|
|
fieldsLoaded |= TR_FR_DOWNLOAD_DIR;
|
|
}
|
|
|
|
if( ( fieldsToLoad & ( TR_FR_PROGRESS | TR_FR_INCOMPLETE_DIR ) )
|
|
&& ( tr_bencDictFindStr( &top, KEY_INCOMPLETE_DIR, &str ) )
|
|
&& ( str && *str ) )
|
|
{
|
|
tr_free( tor->incompleteDir );
|
|
tor->incompleteDir = tr_strdup( str );
|
|
fieldsLoaded |= TR_FR_INCOMPLETE_DIR;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_DOWNLOADED )
|
|
&& tr_bencDictFindInt( &top, KEY_DOWNLOADED, &i ) )
|
|
{
|
|
tor->downloadedPrev = i;
|
|
fieldsLoaded |= TR_FR_DOWNLOADED;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_UPLOADED )
|
|
&& tr_bencDictFindInt( &top, KEY_UPLOADED, &i ) )
|
|
{
|
|
tor->uploadedPrev = i;
|
|
fieldsLoaded |= TR_FR_UPLOADED;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_MAX_PEERS )
|
|
&& tr_bencDictFindInt( &top, KEY_MAX_PEERS, &i ) )
|
|
{
|
|
tor->maxConnectedPeers = i;
|
|
fieldsLoaded |= TR_FR_MAX_PEERS;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_RUN )
|
|
&& tr_bencDictFindBool( &top, KEY_PAUSED, &boolVal ) )
|
|
{
|
|
tor->isRunning = !boolVal;
|
|
fieldsLoaded |= TR_FR_RUN;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_ADDED_DATE )
|
|
&& tr_bencDictFindInt( &top, KEY_ADDED_DATE, &i ) )
|
|
{
|
|
tor->addedDate = i;
|
|
fieldsLoaded |= TR_FR_ADDED_DATE;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_DONE_DATE )
|
|
&& tr_bencDictFindInt( &top, KEY_DONE_DATE, &i ) )
|
|
{
|
|
tor->doneDate = i;
|
|
fieldsLoaded |= TR_FR_DONE_DATE;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_ACTIVITY_DATE )
|
|
&& tr_bencDictFindInt( &top, KEY_ACTIVITY_DATE, &i ) )
|
|
{
|
|
tr_torrentSetActivityDate( tor, i );
|
|
fieldsLoaded |= TR_FR_ACTIVITY_DATE;
|
|
}
|
|
|
|
if( ( fieldsToLoad & TR_FR_BANDWIDTH_PRIORITY )
|
|
&& tr_bencDictFindInt( &top, KEY_BANDWIDTH_PRIORITY, &i )
|
|
&& tr_isPriority( i ) )
|
|
{
|
|
tr_torrentSetPriority( tor, i );
|
|
fieldsLoaded |= TR_FR_BANDWIDTH_PRIORITY;
|
|
}
|
|
|
|
if( fieldsToLoad & TR_FR_PEERS )
|
|
fieldsLoaded |= loadPeers( &top, tor );
|
|
|
|
if( fieldsToLoad & TR_FR_FILE_PRIORITIES )
|
|
fieldsLoaded |= loadFilePriorities( &top, tor );
|
|
|
|
if( fieldsToLoad & TR_FR_PROGRESS )
|
|
fieldsLoaded |= loadProgress( &top, tor );
|
|
|
|
if( fieldsToLoad & TR_FR_DND )
|
|
fieldsLoaded |= loadDND( &top, tor );
|
|
|
|
if( fieldsToLoad & TR_FR_SPEEDLIMIT )
|
|
fieldsLoaded |= loadSpeedLimits( &top, tor );
|
|
|
|
if( fieldsToLoad & TR_FR_RATIOLIMIT )
|
|
fieldsLoaded |= loadRatioLimits( &top, tor );
|
|
|
|
/* loading the resume file triggers of a lot of changes,
|
|
* but none of them needs to trigger a re-saving of the
|
|
* same resume information... */
|
|
tor->isDirty = wasDirty;
|
|
|
|
tr_bencFree( &top );
|
|
tr_free( filename );
|
|
return fieldsLoaded;
|
|
}
|
|
|
|
static uint64_t
|
|
setFromCtor( tr_torrent * tor,
|
|
uint64_t fields,
|
|
const tr_ctor * ctor,
|
|
int mode )
|
|
{
|
|
uint64_t ret = 0;
|
|
|
|
if( fields & TR_FR_RUN )
|
|
{
|
|
uint8_t isPaused;
|
|
if( !tr_ctorGetPaused( ctor, mode, &isPaused ) )
|
|
{
|
|
tor->isRunning = !isPaused;
|
|
ret |= TR_FR_RUN;
|
|
}
|
|
}
|
|
|
|
if( fields & TR_FR_MAX_PEERS )
|
|
if( !tr_ctorGetPeerLimit( ctor, mode, &tor->maxConnectedPeers ) )
|
|
ret |= TR_FR_MAX_PEERS;
|
|
|
|
if( fields & TR_FR_DOWNLOAD_DIR )
|
|
{
|
|
const char * path;
|
|
if( !tr_ctorGetDownloadDir( ctor, mode, &path ) && path && *path )
|
|
{
|
|
ret |= TR_FR_DOWNLOAD_DIR;
|
|
tr_free( tor->downloadDir );
|
|
tor->downloadDir = tr_strdup( path );
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static uint64_t
|
|
useManditoryFields( tr_torrent * tor,
|
|
uint64_t fields,
|
|
const tr_ctor * ctor )
|
|
{
|
|
return setFromCtor( tor, fields, ctor, TR_FORCE );
|
|
}
|
|
|
|
static uint64_t
|
|
useFallbackFields( tr_torrent * tor,
|
|
uint64_t fields,
|
|
const tr_ctor * ctor )
|
|
{
|
|
return setFromCtor( tor, fields, ctor, TR_FALLBACK );
|
|
}
|
|
|
|
uint64_t
|
|
tr_torrentLoadResume( tr_torrent * tor,
|
|
uint64_t fieldsToLoad,
|
|
const tr_ctor * ctor )
|
|
{
|
|
uint64_t ret = 0;
|
|
|
|
assert( tr_isTorrent( tor ) );
|
|
|
|
ret |= useManditoryFields( tor, fieldsToLoad, ctor );
|
|
fieldsToLoad &= ~ret;
|
|
ret |= loadFromFile( tor, fieldsToLoad );
|
|
fieldsToLoad &= ~ret;
|
|
ret |= useFallbackFields( tor, fieldsToLoad, ctor );
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
tr_torrentRemoveResume( const tr_torrent * tor )
|
|
{
|
|
char * filename = getResumeFilename( tor );
|
|
unlink( filename );
|
|
tr_free( filename );
|
|
}
|
|
|