mirror of
https://github.com/transmission/transmission
synced 2024-12-27 01:57:52 +00:00
438 lines
14 KiB
C
438 lines
14 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 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> /* fprintf() */
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#include <stdlib.h> /* atoi() */
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#include <string.h> /* memcmp() */
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#include <signal.h>
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#include <libtransmission/transmission.h>
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#include <libtransmission/bencode.h>
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#include <libtransmission/tr-getopt.h>
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#include <libtransmission/utils.h> /* tr_wait_msec */
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#include <libtransmission/version.h>
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#include <libtransmission/web.h> /* tr_webRun */
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/***
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****
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***/
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#define MEM_K 1024
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#define MEM_K_STR "KiB"
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#define MEM_M_STR "MiB"
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#define MEM_G_STR "GiB"
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#define MEM_T_STR "TiB"
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#define DISK_K 1024
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#define DISK_B_STR "B"
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#define DISK_K_STR "KiB"
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#define DISK_M_STR "MiB"
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#define DISK_G_STR "GiB"
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#define DISK_T_STR "TiB"
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#define SPEED_K 1024
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#define SPEED_B_STR "B/s"
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#define SPEED_K_STR "KiB/s"
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#define SPEED_M_STR "MiB/s"
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#define SPEED_G_STR "GiB/s"
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#define SPEED_T_STR "TiB/s"
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/***
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****
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***/
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#define LINEWIDTH 80
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#define MY_CONFIG_NAME "transmission"
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#define MY_READABLE_NAME "transmission-cli"
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static bool showVersion = false;
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static bool verify = 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 const char * torrentPath = NULL;
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static const struct tr_option options[] =
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{
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{ 'b', "blocklist", "Enable peer blocklists", "b", 0, NULL },
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{ 'B', "no-blocklist", "Disable peer blocklists", "B", 0, NULL },
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{ 'd', "downlimit", "Set max download speed in "SPEED_K_STR, "d", 1, "<speed>" },
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{ 'D', "no-downlimit", "Don't limit the download speed", "D", 0, NULL },
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{ 910, "encryption-required", "Encrypt all peer connections", "er", 0, NULL },
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{ 911, "encryption-preferred", "Prefer encrypted peer connections", "ep", 0, NULL },
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{ 912, "encryption-tolerated", "Prefer unencrypted peer connections", "et", 0, NULL },
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{ 'f', "finish", "Run a script when the torrent finishes", "f", 1, "<script>" },
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{ 'g', "config-dir", "Where to find configuration files", "g", 1, "<path>" },
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{ 'm', "portmap", "Enable portmapping via NAT-PMP or UPnP", "m", 0, NULL },
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{ 'M', "no-portmap", "Disable portmapping", "M", 0, NULL },
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{ 'p', "port", "Port for incoming peers (Default: " TR_DEFAULT_PEER_PORT_STR ")", "p", 1, "<port>" },
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{ 't', "tos", "Peer socket TOS (0 to 255, default=" TR_DEFAULT_PEER_SOCKET_TOS_STR ")", "t", 1, "<tos>" },
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{ 'u', "uplimit", "Set max upload speed in "SPEED_K_STR, "u", 1, "<speed>" },
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{ 'U', "no-uplimit", "Don't limit the upload speed", "U", 0, NULL },
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{ 'v', "verify", "Verify the specified torrent", "v", 0, NULL },
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{ 'V', "version", "Show version number and exit", "V", 0, NULL },
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{ 'w', "download-dir", "Where to save downloaded data", "w", 1, "<path>" },
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{ 0, NULL, NULL, NULL, 0, NULL }
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};
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static const char *
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getUsage( void )
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{
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return "A fast and easy BitTorrent client\n"
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"\n"
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"Usage: " MY_READABLE_NAME " [options] <file|url|magnet>";
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}
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static int parseCommandLine( tr_benc*, int argc, const char ** argv );
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static void sigHandler( int signal );
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static char*
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tr_strlratio( char * buf,
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double ratio,
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size_t buflen )
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{
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if( (int)ratio == TR_RATIO_NA )
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tr_strlcpy( buf, _( "None" ), buflen );
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else if( (int)ratio == TR_RATIO_INF )
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tr_strlcpy( buf, "Inf", buflen );
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else if( ratio < 10.0 )
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tr_snprintf( buf, buflen, "%.2f", ratio );
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else if( ratio < 100.0 )
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tr_snprintf( buf, buflen, "%.1f", ratio );
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else
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tr_snprintf( buf, buflen, "%.0f", ratio );
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return buf;
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}
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static bool waitingOnWeb;
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static void
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onTorrentFileDownloaded( tr_session * session UNUSED,
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bool did_connect UNUSED,
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bool did_timeout UNUSED,
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long response_code UNUSED,
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const void * response,
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size_t response_byte_count,
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void * ctor )
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{
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tr_ctorSetMetainfo( ctor, response, response_byte_count );
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waitingOnWeb = false;
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}
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static void
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getStatusStr( const tr_stat * st,
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char * buf,
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size_t buflen )
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{
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if( st->activity & TR_STATUS_CHECK_WAIT )
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{
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tr_snprintf( buf, buflen, "Waiting to verify local files" );
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}
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else if( st->activity & TR_STATUS_CHECK )
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{
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tr_snprintf( buf, buflen,
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"Verifying local files (%.2f%%, %.2f%% valid)",
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tr_truncd( 100 * st->recheckProgress, 2 ),
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tr_truncd( 100 * st->percentDone, 2 ) );
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}
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else if( st->activity & TR_STATUS_DOWNLOAD )
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{
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char upStr[80];
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char dnStr[80];
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char ratioStr[80];
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tr_formatter_speed_KBps( upStr, st->pieceUploadSpeed_KBps, sizeof( upStr ) );
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tr_formatter_speed_KBps( dnStr, st->pieceDownloadSpeed_KBps, sizeof( dnStr ) );
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tr_strlratio( ratioStr, st->ratio, sizeof( ratioStr ) );
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tr_snprintf( buf, buflen,
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"Progress: %.1f%%, "
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"dl from %d of %d peers (%s), "
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"ul to %d (%s) "
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"[%s]",
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tr_truncd( 100 * st->percentDone, 1 ),
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st->peersSendingToUs, st->peersConnected, dnStr,
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st->peersGettingFromUs, upStr,
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ratioStr );
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}
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else if( st->activity & TR_STATUS_SEED )
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{
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char upStr[80];
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char ratioStr[80];
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tr_formatter_speed_KBps( upStr, st->pieceUploadSpeed_KBps, sizeof( upStr ) );
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tr_strlratio( ratioStr, st->ratio, sizeof( ratioStr ) );
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tr_snprintf( buf, buflen,
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"Seeding, uploading to %d of %d peer(s), %s [%s]",
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st->peersGettingFromUs, st->peersConnected, upStr, ratioStr );
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}
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else *buf = '\0';
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}
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static const char*
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getConfigDir( int argc, const char ** argv )
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{
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int c;
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const char * configDir = NULL;
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const char * optarg;
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const int ind = tr_optind;
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while(( c = tr_getopt( getUsage( ), argc, argv, options, &optarg ))) {
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if( c == 'g' ) {
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configDir = optarg;
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break;
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}
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}
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tr_optind = ind;
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if( configDir == NULL )
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configDir = tr_getDefaultConfigDir( MY_CONFIG_NAME );
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return configDir;
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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 error;
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tr_session * h;
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tr_ctor * ctor;
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tr_torrent * tor = NULL;
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tr_benc settings;
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const char * configDir;
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uint8_t * fileContents;
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size_t fileLength;
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tr_formatter_mem_init( MEM_K, MEM_K_STR, MEM_M_STR, MEM_G_STR, MEM_T_STR );
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tr_formatter_size_init( DISK_K,DISK_K_STR, DISK_M_STR, DISK_G_STR, DISK_T_STR );
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tr_formatter_speed_init( SPEED_K, SPEED_K_STR, SPEED_M_STR, SPEED_G_STR, SPEED_T_STR );
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printf( "%s %s\n", MY_READABLE_NAME, LONG_VERSION_STRING );
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/* user needs to pass in at least one argument */
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if( argc < 2 ) {
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tr_getopt_usage( MY_READABLE_NAME, getUsage( ), options );
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return EXIT_FAILURE;
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}
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/* load the defaults from config file + libtransmission defaults */
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tr_bencInitDict( &settings, 0 );
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configDir = getConfigDir( argc, (const char**)argv );
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tr_sessionLoadSettings( &settings, configDir, MY_CONFIG_NAME );
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/* the command line overrides defaults */
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if( parseCommandLine( &settings, argc, (const char**)argv ) )
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return EXIT_FAILURE;
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if( showVersion )
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return 0;
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/* Check the options for validity */
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if( !torrentPath ) {
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fprintf( stderr, "No torrent specified!\n" );
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return EXIT_FAILURE;
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}
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h = tr_sessionInit( "cli", configDir, false, &settings );
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ctor = tr_ctorNew( h );
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fileContents = tr_loadFile( torrentPath, &fileLength );
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tr_ctorSetPaused( ctor, TR_FORCE, false );
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if( fileContents != NULL ) {
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tr_ctorSetMetainfo( ctor, fileContents, fileLength );
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} else if( !memcmp( torrentPath, "magnet:?", 8 ) ) {
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tr_ctorSetMetainfoFromMagnetLink( ctor, torrentPath );
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} else if( !memcmp( torrentPath, "http", 4 ) ) {
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tr_webRun( h, torrentPath, NULL, NULL, onTorrentFileDownloaded, ctor );
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waitingOnWeb = true;
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while( waitingOnWeb ) tr_wait_msec( 1000 );
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} else {
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fprintf( stderr, "ERROR: Unrecognized torrent \"%s\".\n", torrentPath );
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fprintf( stderr, " * If you're trying to create a torrent, use transmission-create.\n" );
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fprintf( stderr, " * If you're trying to see a torrent's info, use transmission-show.\n" );
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tr_sessionClose( h );
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return EXIT_FAILURE;
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}
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tr_free( fileContents );
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tor = tr_torrentNew( ctor, &error );
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tr_ctorFree( ctor );
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if( !tor )
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{
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fprintf( stderr, "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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signal( SIGINT, sigHandler );
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#ifndef WIN32
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signal( SIGHUP, sigHandler );
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#endif
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tr_torrentStart( tor );
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if( verify )
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{
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verify = 0;
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tr_torrentVerify( tor );
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}
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for( ; ; )
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{
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char line[LINEWIDTH];
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const tr_stat * st;
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const char * messageName[] = { NULL, "Tracker gave a warning:",
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"Tracker gave an error:",
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"Error:" };
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tr_wait_msec( 200 );
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if( gotsig )
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{
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gotsig = 0;
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printf( "\nStopping torrent...\n" );
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tr_torrentStop( tor );
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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(
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stderr,
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"\nReceived SIGHUP, but can't send a manual update now\n" );
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else
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{
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fprintf( stderr,
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"\nReceived SIGHUP: manual update scheduled\n" );
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tr_torrentManualUpdate( tor );
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}
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}
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st = tr_torrentStat( tor );
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if( st->activity & TR_STATUS_STOPPED )
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break;
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getStatusStr( st, line, sizeof( line ) );
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printf( "\r%-*s", LINEWIDTH, line );
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if( messageName[st->error] )
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fprintf( stderr, "\n%s: %s\n", messageName[st->error], st->errorString );
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}
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tr_sessionSaveSettings( h, configDir, &settings );
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printf( "\n" );
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tr_bencFree( &settings );
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tr_sessionClose( h );
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return EXIT_SUCCESS;
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}
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/***
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****
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****
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****
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***/
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static int
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parseCommandLine( tr_benc * d, int argc, const char ** argv )
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{
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int c;
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const char * optarg;
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while(( c = tr_getopt( getUsage( ), argc, argv, options, &optarg )))
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{
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switch( c )
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{
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case 'b': tr_bencDictAddBool( d, TR_PREFS_KEY_BLOCKLIST_ENABLED, true );
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break;
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case 'B': tr_bencDictAddBool( d, TR_PREFS_KEY_BLOCKLIST_ENABLED, false );
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break;
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case 'd': tr_bencDictAddInt ( d, TR_PREFS_KEY_DSPEED_KBps, atoi( optarg ) );
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tr_bencDictAddBool( d, TR_PREFS_KEY_DSPEED_ENABLED, true );
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break;
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case 'D': tr_bencDictAddBool( d, TR_PREFS_KEY_DSPEED_ENABLED, false );
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break;
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case 'f': tr_bencDictAddStr( d, TR_PREFS_KEY_SCRIPT_TORRENT_DONE_FILENAME, optarg );
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tr_bencDictAddBool( d, TR_PREFS_KEY_SCRIPT_TORRENT_DONE_ENABLED, true );
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break;
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case 'g': /* handled above */
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break;
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case 'm': tr_bencDictAddBool( d, TR_PREFS_KEY_PORT_FORWARDING, true );
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break;
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case 'M': tr_bencDictAddBool( d, TR_PREFS_KEY_PORT_FORWARDING, false );
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break;
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case 'p': tr_bencDictAddInt( d, TR_PREFS_KEY_PEER_PORT, atoi( optarg ) );
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break;
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case 't': tr_bencDictAddInt( d, TR_PREFS_KEY_PEER_SOCKET_TOS, atoi( optarg ) );
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break;
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case 'u': tr_bencDictAddInt( d, TR_PREFS_KEY_USPEED_KBps, atoi( optarg ) );
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tr_bencDictAddBool( d, TR_PREFS_KEY_USPEED_ENABLED, true );
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break;
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case 'U': tr_bencDictAddBool( d, TR_PREFS_KEY_USPEED_ENABLED, false );
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break;
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case 'v': verify = true;
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break;
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case 'V': showVersion = true;
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break;
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case 'w': tr_bencDictAddStr( d, TR_PREFS_KEY_DOWNLOAD_DIR, optarg );
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break;
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case 910: tr_bencDictAddInt( d, TR_PREFS_KEY_ENCRYPTION, TR_ENCRYPTION_REQUIRED );
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break;
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case 911: tr_bencDictAddInt( d, TR_PREFS_KEY_ENCRYPTION, TR_ENCRYPTION_PREFERRED );
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break;
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case 912: tr_bencDictAddInt( d, TR_PREFS_KEY_ENCRYPTION, TR_CLEAR_PREFERRED );
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break;
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case TR_OPT_UNK:
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if( torrentPath == NULL )
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torrentPath = optarg;
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break;
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default: return 1;
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}
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}
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return 0;
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}
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static void
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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; break;
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#ifndef WIN32
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case SIGHUP:
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manualUpdate = 1; break;
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#endif
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default:
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break;
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}
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}
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