transmission/cli/transmissioncli.c

315 lines
8.7 KiB
C
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/******************************************************************************
* Copyright (c) 2005 Eric Petit
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <signal.h>
#include <transmission.h>
#ifdef SYS_BEOS
#include <kernel/OS.h>
#define usleep snooze
#endif
#define USAGE \
"Usage: %s [options] file.torrent [options]\n\n" \
"Options:\n" \
" -h, --help Print this help and exit\n" \
" -i, --info Print metainfo and exit\n" \
" -s, --scrape Print counts of seeders/leechers and exit\n" \
" -v, --verbose <int> Verbose level (0 to 2, default = 0)\n" \
" -p, --port <int> Port we should listen on (default = %d)\n" \
" -u, --upload <int> Maximum upload rate (-1 = no limit, default = 20)\n" \
" -d, --download <int> Maximum download rate (-1 = no limit, default = -1)\n" \
" -f, --finish <shell script> Command you wish to run on completion\n"
static int showHelp = 0;
static int showInfo = 0;
static int showScrape = 0;
static int verboseLevel = 0;
static int bindPort = TR_DEFAULT_PORT;
static int uploadLimit = 20;
static int downloadLimit = -1;
static char * torrentPath = NULL;
static volatile char mustDie = 0;
static char * finishCall = NULL;
static int parseCommandLine ( int argc, char ** argv );
static void sigHandler ( int signal );
int main( int argc, char ** argv )
{
int i, error;
tr_handle_t * h;
tr_torrent_t * tor;
tr_stat_t * s;
printf( "Transmission %s - http://transmission.m0k.org/\n\n",
VERSION_STRING );
/* Get options */
if( parseCommandLine( argc, argv ) )
{
printf( USAGE, argv[0], TR_DEFAULT_PORT );
return 1;
}
if( showHelp )
{
printf( USAGE, argv[0], TR_DEFAULT_PORT );
return 0;
}
if( verboseLevel < 0 )
{
verboseLevel = 0;
}
else if( verboseLevel > 9 )
{
verboseLevel = 9;
}
if( verboseLevel )
{
static char env[11];
sprintf( env, "TR_DEBUG=%d", verboseLevel );
putenv( env );
}
if( bindPort < 1 || bindPort > 65535 )
{
printf( "Invalid port '%d'\n", bindPort );
return 1;
}
/* Initialize libtransmission */
h = tr_init();
/* Open and parse torrent file */
if( !( tor = tr_torrentInit( h, torrentPath, &error ) ) )
{
printf( "Failed opening torrent file `%s'\n", torrentPath );
goto failed;
}
if( showInfo )
{
tr_info_t * info = tr_torrentInfo( tor );
/* Print torrent info (quite <20> la btshowmetainfo) */
printf( "hash: " );
for( i = 0; i < SHA_DIGEST_LENGTH; i++ )
{
printf( "%02x", info->hash[i] );
}
printf( "\n" );
printf( "tracker: %s:%d\n",
info->trackerAddress, info->trackerPort );
printf( "announce: %s\n", info->trackerAnnounce );
printf( "size: %lld (%lld * %d + %lld)\n",
info->totalSize, info->totalSize / info->pieceSize,
info->pieceSize, info->totalSize % info->pieceSize );
printf( "file(s):\n" );
for( i = 0; i < info->fileCount; i++ )
{
printf( " %s (%lld)\n", info->files[i].name,
info->files[i].length );
}
goto cleanup;
}
if( showScrape )
{
int seeders, leechers;
if( tr_torrentScrape( tor, &seeders, &leechers ) )
{
printf( "Scrape failed.\n" );
}
else
{
printf( "%d seeder(s), %d leecher(s).\n", seeders, leechers );
}
goto cleanup;
}
signal( SIGINT, sigHandler );
tr_setBindPort( h, bindPort );
tr_setUploadLimit( h, uploadLimit );
tr_setDownloadLimit( h, downloadLimit );
tr_torrentSetFolder( tor, "." );
tr_torrentStart( tor );
while( !mustDie )
{
char string[80];
int chars = 0;
int result;
sleep( 1 );
s = tr_torrentStat( tor );
if( s->status & TR_STATUS_CHECK )
{
chars = snprintf( string, 80,
"Checking files... %.2f %%", 100.0 * s->progress );
}
else if( s->status & TR_STATUS_DOWNLOAD )
{
chars = snprintf( string, 80,
"Progress: %.2f %%, %d peer%s, dl from %d (%.2f KB/s), "
"ul to %d (%.2f KB/s)", 100.0 * s->progress,
s->peersTotal, ( s->peersTotal == 1 ) ? "" : "s",
s->peersUploading, s->rateDownload,
s->peersDownloading, s->rateUpload );
}
else if( s->status & TR_STATUS_SEED )
{
chars = snprintf( string, 80,
"Seeding, uploading to %d of %d peer(s), %.2f KB/s",
s->peersDownloading, s->peersTotal,
s->rateUpload );
}
memset( &string[chars], ' ', 79 - chars );
string[79] = '\0';
fprintf( stderr, "\r%s", string );
if( s->error & TR_ETRACKER )
{
fprintf( stderr, "\n%s\n", s->trackerError );
}
else if( verboseLevel > 0 )
{
fprintf( stderr, "\n" );
}
if( tr_getFinished( tor ) )
{
result = system(finishCall);
}
}
fprintf( stderr, "\n" );
/* Try for 5 seconds to notice the tracker that we are leaving */
tr_torrentStop( tor );
for( i = 0; i < 10; i++ )
{
s = tr_torrentStat( tor );
if( s->status & TR_STATUS_PAUSE )
{
/* The 'stopped' message was sent */
break;
}
usleep( 500000 );
}
cleanup:
tr_torrentClose( h, tor );
failed:
tr_close( h );
return 0;
}
static int parseCommandLine( int argc, char ** argv )
{
for( ;; )
{
static struct option long_options[] =
{ { "help", no_argument, NULL, 'h' },
{ "info", no_argument, NULL, 'i' },
{ "scrape", no_argument, NULL, 's' },
{ "verbose", required_argument, NULL, 'v' },
{ "port", required_argument, NULL, 'p' },
{ "upload", required_argument, NULL, 'u' },
{ "download", required_argument, NULL, 'd' },
{ "finish", required_argument, NULL, 'f' },
{ 0, 0, 0, 0} };
int c, optind = 0;
c = getopt_long( argc, argv, "hisv:p:u:d:f:", long_options, &optind );
if( c < 0 )
{
break;
}
switch( c )
{
case 'h':
showHelp = 1;
break;
case 'i':
showInfo = 1;
break;
case 's':
showScrape = 1;
break;
case 'v':
verboseLevel = atoi( optarg );
break;
case 'p':
bindPort = atoi( optarg );
break;
case 'u':
uploadLimit = atoi( optarg );
break;
case 'd':
downloadLimit = atoi( optarg );
break;
case 'f':
finishCall = optarg;
break;
default:
return 1;
}
}
if( optind > argc - 1 )
{
return !showHelp;
}
torrentPath = argv[optind];
return 0;
}
static void sigHandler( int signal )
{
switch( signal )
{
case SIGINT:
mustDie = 1;
break;
default:
break;
}
}