mirror of
https://github.com/transmission/transmission
synced 2024-12-27 10:07:40 +00:00
475 lines
16 KiB
C
475 lines
16 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005-2006 Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <signal.h>
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#include <libtransmission/transmission.h>
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#include <libtransmission/makemeta.h>
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#include <libtransmission/metainfo.h> /* tr_metainfoFree */
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#include <libtransmission/utils.h> /* tr_wait */
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/* macro to shut up "unused parameter" warnings */
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#ifdef __GNUC__
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#define UNUSED __attribute__((unused))
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#else
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#define UNUSED
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#endif
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const char * USAGE =
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"Usage: %s [-car[-m]] [-dfginpsuv] [-h] file.torrent [output-dir]\n\n"
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"Options:\n"
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" -h, --help Print this help and exit\n"
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" -i, --info Print metainfo and exit\n"
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" -s, --scrape Print counts of seeders/leechers and exit\n"
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" -V, --version Print the version number and exit\n"
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" -c, --create-from <file> Create torrent from the specified source file.\n"
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" -a, --announce <url> Used in conjunction with -c.\n"
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" -g, --config-dir <path> Where to look for configuration files\n"
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" -o, --output-dir <path> Where to save downloaded data\n"
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" -r, --private Used in conjunction with -c.\n"
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" -m, --comment <text> Adds an optional comment when creating a torrent.\n"
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" -d, --download <int> Max download rate (-1 = no limit, default = -1)\n"
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" -f, --finish <script> Command you wish to run on completion\n"
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" -n --nat-traversal Attempt NAT traversal using NAT-PMP or UPnP IGD\n"
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" -p, --port <int> Port we should listen on (default = %d)\n"
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" -t, --tos <int> Peer socket TOS (0 to 255, default = 32)\n"
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" -u, --upload <int> Maximum upload rate (-1 = no limit, default = 20)\n"
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" -v, --verbose <int> Verbose level (0 to 2, default = 0)\n"
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" -y, --recheck Force a recheck of the torrent data\n";
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static int showHelp = 0;
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static int showInfo = 0;
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static int showScrape = 0;
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static int showVersion = 0;
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static int isPrivate = 0;
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static int verboseLevel = 0;
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static int peerPort = TR_DEFAULT_PORT;
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static int peerSocketTOS = TR_DEFAULT_PEER_SOCKET_TOS;
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static int uploadLimit = 20;
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static int downloadLimit = -1;
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static char * torrentPath = NULL;
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static int natTraversal = 0;
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static int recheckData = 0;
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static sig_atomic_t gotsig = 0;
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static sig_atomic_t manualUpdate = 0;
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static char downloadDir[MAX_PATH_LENGTH] = { '\0' };
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static char * finishCall = NULL;
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static char * announce = NULL;
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static char * configdir = NULL;
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static char * sourceFile = NULL;
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static char * comment = NULL;
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static int parseCommandLine ( int argc, char ** argv );
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static void sigHandler ( int signal );
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static char *
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getStringRatio( float ratio )
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{
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static char string[20];
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if( ratio == TR_RATIO_NA )
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return "n/a";
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snprintf( string, sizeof string, "%.3f", ratio );
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return string;
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}
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#define LINEWIDTH 80
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static void
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torrentStateChanged( tr_torrent * torrent UNUSED,
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cp_status_t status UNUSED,
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void * user_data UNUSED )
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{
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system( finishCall );
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}
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int
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main( int argc, char ** argv )
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{
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int i, error;
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tr_handle * h;
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tr_ctor * ctor;
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tr_torrent * tor = NULL;
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printf( "Transmission %s - http://www.transmissionbt.com/\n",
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LONG_VERSION_STRING );
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/* Get options */
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if( parseCommandLine( argc, argv ) )
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{
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printf( USAGE, argv[0], TR_DEFAULT_PORT );
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return EXIT_FAILURE;
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}
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if( showVersion )
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return EXIT_SUCCESS;
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if( showHelp )
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{
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printf( USAGE, argv[0], TR_DEFAULT_PORT );
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return EXIT_SUCCESS;
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}
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if( peerPort < 1 || peerPort > 65535 )
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{
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printf( "Invalid port '%d'\n", peerPort );
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return EXIT_FAILURE;
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}
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if( peerSocketTOS < 0 || peerSocketTOS > 255 )
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{
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printf( "Invalid TOS '%d'\n", peerSocketTOS );
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return EXIT_FAILURE;
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}
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/* don't bind the port if we're just running the CLI
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* to get metainfo or to create a torrent */
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if( showInfo || showScrape || ( sourceFile != NULL ) )
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peerPort = -1;
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if( configdir == NULL )
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configdir = strdup( tr_getDefaultConfigDir( ) );
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/* Initialize libtransmission */
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h = tr_sessionInitFull(
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configdir,
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"cli", /* tag */
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downloadDir, /* where to download torrents */
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TR_DEFAULT_PEX_ENABLED,
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natTraversal, /* nat enabled */
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peerPort,
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TR_ENCRYPTION_PREFERRED,
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uploadLimit >= 0,
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uploadLimit,
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downloadLimit >= 0,
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downloadLimit,
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TR_DEFAULT_GLOBAL_PEER_LIMIT,
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verboseLevel + 1, /* messageLevel */
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0, /* is message queueing enabled? */
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TR_DEFAULT_BLOCKLIST_ENABLED,
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peerSocketTOS,
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TR_DEFAULT_RPC_ENABLED,
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TR_DEFAULT_RPC_PORT,
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TR_DEFAULT_RPC_ACL,
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FALSE, "fnord", "potzrebie" );
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if( sourceFile && *sourceFile ) /* creating a torrent */
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{
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int err;
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tr_metainfo_builder * builder = tr_metaInfoBuilderCreate( h, sourceFile );
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tr_tracker_info ti;
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ti.tier = 0;
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ti.announce = announce;
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tr_makeMetaInfo( builder, torrentPath, &ti, 1, comment, isPrivate );
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while( !builder->isDone ) {
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tr_wait( 1000 );
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printf( "." );
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}
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err = builder->result;
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tr_metaInfoBuilderFree( builder );
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return err;
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}
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ctor = tr_ctorNew( h );
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tr_ctorSetMetainfoFromFile( ctor, torrentPath );
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tr_ctorSetPaused( ctor, TR_FORCE, 0 );
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tr_ctorSetDownloadDir( ctor, TR_FORCE, downloadDir );
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if( showInfo )
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{
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tr_info info;
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if( !tr_torrentParse( h, ctor, &info ) )
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{
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int prevTier = -1;
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tr_file_index_t ff;
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printf( "hash:\t" );
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for( i=0; i<SHA_DIGEST_LENGTH; ++i )
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printf( "%02x", info.hash[i] );
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printf( "\n" );
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printf( "name:\t%s\n", info.name );
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for( i=0; i<info.trackerCount; ++i ) {
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if( prevTier != info.trackers[i].tier ) {
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prevTier = info.trackers[i].tier;
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printf( "\ntracker tier #%d:\n", (prevTier+1) );
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}
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printf( "\tannounce:\t%s\n", info.trackers[i].announce );
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}
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printf( "size:\t%"PRIu64" (%"PRIu64" * %d + %"PRIu64")\n",
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info.totalSize, info.totalSize / info.pieceSize,
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info.pieceSize, info.totalSize % info.pieceSize );
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if( info.comment[0] )
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printf( "comment:\t%s\n", info.comment );
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if( info.creator[0] )
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printf( "creator:\t%s\n", info.creator );
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if( info.isPrivate )
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printf( "private flag set\n" );
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printf( "file(s):\n" );
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for( ff=0; ff<info.fileCount; ++ff )
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printf( "\t%s (%"PRIu64")\n", info.files[ff].name, info.files[ff].length );
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tr_metainfoFree( &info );
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}
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tr_ctorFree( ctor );
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goto cleanup;
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}
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tor = tr_torrentNew( h, ctor, &error );
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tr_ctorFree( ctor );
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if( tor == NULL )
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{
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printf( "Failed opening torrent file `%s'\n", torrentPath );
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tr_sessionClose( h );
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return EXIT_FAILURE;
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}
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if( showScrape )
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{
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const struct tr_stat * stats;
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const uint64_t start = tr_date( );
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printf( "Scraping, Please wait...\n" );
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do
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{
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stats = tr_torrentStat( tor );
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if( !stats || tr_date() - start > 20000 )
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{
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printf( "Scrape failed.\n" );
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goto cleanup;
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}
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tr_wait( 2000 );
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}
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while( stats->completedFromTracker == -1 || stats->leechers == -1 || stats->seeders == -1 );
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printf( "%d seeder(s), %d leecher(s), %d download(s).\n",
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stats->seeders, stats->leechers, stats->completedFromTracker );
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goto cleanup;
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}
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signal( SIGINT, sigHandler );
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signal( SIGHUP, sigHandler );
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tr_torrentSetStatusCallback( tor, torrentStateChanged, NULL );
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tr_torrentStart( tor );
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for( ;; )
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{
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char string[LINEWIDTH];
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int chars = 0;
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const struct tr_stat * s;
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tr_wait( 1000 );
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if( gotsig )
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{
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gotsig = 0;
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tr_torrentStop( tor );
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tr_sessionSetPortForwardingEnabled( h, 0 );
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}
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if( manualUpdate )
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{
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manualUpdate = 0;
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if ( !tr_torrentCanManualUpdate( tor ) )
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fprintf( stderr, "\rReceived SIGHUP, but can't send a manual update now\n" );
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else {
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fprintf( stderr, "\rReceived SIGHUP: manual update scheduled\n" );
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tr_torrentManualUpdate( tor );
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}
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}
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if( recheckData )
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{
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recheckData = 0;
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tr_torrentVerify( tor );
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}
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s = tr_torrentStat( tor );
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if( s->status & TR_STATUS_CHECK_WAIT )
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{
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chars = snprintf( string, sizeof string,
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"Waiting to verify local files..." );
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}
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else if( s->status & TR_STATUS_CHECK )
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{
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chars = snprintf( string, sizeof string,
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"Verifying local files... %.2f%%, found %.2f%% valid", 100 * s->recheckProgress, 100.0 * s->percentDone );
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}
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else if( s->status & TR_STATUS_DOWNLOAD )
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{
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chars = snprintf( string, sizeof string,
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"Progress: %.2f %%, %d peer%s, dl from %d (%.2f KB/s), "
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"ul to %d (%.2f KB/s) [%s]", 100.0 * s->percentDone,
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s->peersConnected, ( s->peersConnected == 1 ) ? "" : "s",
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s->peersSendingToUs, s->rateDownload,
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s->peersGettingFromUs, s->rateUpload,
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getStringRatio(s->ratio) );
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}
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else if( s->status & TR_STATUS_SEED )
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{
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chars = snprintf( string, sizeof string,
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"Seeding, uploading to %d of %d peer(s), %.2f KB/s [%s]",
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s->peersGettingFromUs, s->peersConnected,
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s->rateUpload, getStringRatio(s->ratio) );
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}
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else if( s->status & TR_STATUS_STOPPED )
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{
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break;
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}
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if( ( signed )sizeof string > chars )
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{
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memset( &string[chars], ' ', sizeof string - 1 - chars );
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}
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string[sizeof string - 1] = '\0';
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fprintf( stderr, "\r%s", string );
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if( s->error )
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{
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fprintf( stderr, "\n%s\n", s->errorString );
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}
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else if( verboseLevel > 0 )
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{
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fprintf( stderr, "\n" );
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}
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}
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fprintf( stderr, "\n" );
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/* try for 5 seconds to delete any port mappings for nat traversal */
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tr_sessionSetPortForwardingEnabled( h, 0 );
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for( i=0; i<10; ++i ) {
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const tr_port_forwarding f = tr_sessionGetPortForwarding( h );
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if( f == TR_PORT_UNMAPPED )
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break;
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tr_wait( 500 );
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}
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cleanup:
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tr_sessionClose( h );
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return EXIT_SUCCESS;
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}
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static int
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parseCommandLine( int argc, char ** argv )
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{
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for( ;; )
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{
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static const struct option long_options[] = {
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{ "announce", required_argument, NULL, 'a' },
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{ "create-from", required_argument, NULL, 'c' },
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{ "download", required_argument, NULL, 'd' },
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{ "finish", required_argument, NULL, 'f' },
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{ "config-dir", required_argument, NULL, 'g' },
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{ "help", no_argument, NULL, 'h' },
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{ "info", no_argument, NULL, 'i' },
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{ "comment", required_argument, NULL, 'm' },
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{ "nat-traversal", no_argument, NULL, 'n' },
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{ "output-dir", required_argument, NULL, 'o' },
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{ "port", required_argument, NULL, 'p' },
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{ "private", no_argument, NULL, 'r' },
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{ "scrape", no_argument, NULL, 's' },
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{ "tos", required_argument, NULL, 't' },
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{ "upload", required_argument, NULL, 'u' },
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{ "verbose", required_argument, NULL, 'v' },
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{ "version", no_argument, NULL, 'V' },
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{ "recheck", no_argument, NULL, 'y' },
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{ 0, 0, 0, 0} };
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int optind = 0;
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int c = getopt_long( argc, argv,
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"a:c:d:f:g:him:no:p:rst:u:v:Vy",
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long_options, &optind );
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if( c < 0 )
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{
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break;
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}
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switch( c )
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{
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case 'a': announce = optarg; break;
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case 'c': sourceFile = optarg; break;
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case 'd': downloadLimit = atoi( optarg ); break;
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case 'f': finishCall = optarg; break;
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case 'g': configdir = strdup( optarg ); break;
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case 'h': showHelp = 1; break;
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case 'i': showInfo = 1; break;
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case 'm': comment = optarg; break;
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case 'n': natTraversal = 1; break;
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case 'o': tr_strlcpy( downloadDir, optarg, sizeof( downloadDir ) ); break;
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case 'p': peerPort = atoi( optarg ); break;
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case 'r': isPrivate = 1; break;
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case 's': showScrape = 1; break;
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case 't': peerSocketTOS = atoi( optarg ); break;
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case 'u': uploadLimit = atoi( optarg ); break;
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case 'v': verboseLevel = atoi( optarg ); break;
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case 'V': showVersion = 1; break;
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case 'y': recheckData = 1; break;
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default: return 1;
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}
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}
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if( !*downloadDir )
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getcwd( downloadDir, sizeof( downloadDir ) );
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if( showHelp || showVersion )
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return 0;
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if( optind >= argc )
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return 1;
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torrentPath = argv[optind];
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return 0;
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}
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static void sigHandler( int signal )
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{
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switch( signal )
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{
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case SIGINT:
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gotsig = 1;
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break;
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case SIGHUP:
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manualUpdate = 1;
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break;
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default:
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break;
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}
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}
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