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transmission/cli/transmissioncli.c
2007-10-15 20:58:39 +00:00

445 lines
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C
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/******************************************************************************
* $Id$
*
* Copyright (c) 2005-2006 Transmission authors and contributors
*
* 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 <libtransmission/transmission.h>
#include <libtransmission/makemeta.h>
#ifdef __BEOS__
#include <kernel/OS.h>
#define wait_msecs(N) snooze( (N) * 1000 )
#define wait_secs(N) sleep( (N) )
#elif defined(WIN32)
#include <windows.h>
#define wait_msecs(N) Sleep( (N) )
#define wait_secs(N) Sleep( (N) * 1000 )
#else
#define wait_msecs(N) usleep( (N) * 1000 )
#define wait_secs(N) sleep( (N) )
#endif
/* macro to shut up "unused parameter" warnings */
#ifdef __GNUC__
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
const char * USAGE =
"Usage: %s [options] file.torrent [options]\n\n"
"Options:\n"
" -c, --create-from <file> Create torrent from the specified source file.\n"
" -a, --announce <url> Used in conjunction with -c.\n"
" -r, --private Used in conjunction with -c.\n"
" -m, --comment <text> Adds an optional comment when creating a torrent.\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"
" -h, --help Print this help and exit\n"
" -i, --info Print metainfo and exit\n"
" -n --nat-traversal Attempt NAT traversal using NAT-PMP or UPnP IGD\n"
" -p, --port <int> Port we should listen on (default = %d)\n"
#if 0
" -s, --scrape Print counts of seeders/leechers and exit\n"
#endif
" -u, --upload <int> Maximum upload rate (-1 = no limit, default = 20)\n"
" -v, --verbose <int> Verbose level (0 to 2, default = 0)\n";
static int showHelp = 0;
static int showInfo = 0;
#if 0
static int showScrape = 0;
#endif
static int isPrivate = 0;
static int verboseLevel = 0;
static int bindPort = TR_DEFAULT_PORT;
static int uploadLimit = 20;
static int downloadLimit = -1;
static char * torrentPath = NULL;
static int natTraversal = 0;
static sig_atomic_t gotsig = 0;
static tr_torrent * tor;
static char * finishCall = NULL;
static char * announce = NULL;
static char * sourceFile = NULL;
static char * comment = NULL;
static int parseCommandLine ( int argc, char ** argv );
static void sigHandler ( int signal );
char * getStringRatio( float ratio )
{
static char string[20];
if( ratio == TR_RATIO_NA )
return "n/a";
snprintf( string, sizeof string, "%.3f", ratio );
return string;
}
#define LINEWIDTH 80
static void
torrentStateChanged( tr_torrent * torrent UNUSED,
cp_status_t status UNUSED,
void * user_data UNUSED )
{
system( finishCall );
}
int main( int argc, char ** argv )
{
int i, error;
tr_handle * h;
const tr_stat * s;
tr_handle_status * hstat;
printf( "Transmission %s - http://transmission.m0k.org/\n\n",
LONG_VERSION_STRING );
/* Get options */
if( parseCommandLine( argc, argv ) )
{
printf( USAGE, argv[0], TR_DEFAULT_PORT );
return EXIT_FAILURE;
}
if( showHelp )
{
printf( USAGE, argv[0], TR_DEFAULT_PORT );
return EXIT_SUCCESS;
}
if( verboseLevel < 0 )
{
verboseLevel = 0;
}
else if( verboseLevel > 9 )
{
verboseLevel = 9;
}
if( verboseLevel )
{
static char env[11];
snprintf( env, sizeof env, "TR_DEBUG=%d", verboseLevel );
putenv( env );
}
if( bindPort < 1 || bindPort > 65535 )
{
printf( "Invalid port '%d'\n", bindPort );
return EXIT_FAILURE;
}
/* Initialize libtransmission */
h = tr_init( "cli" );
if( sourceFile && *sourceFile ) /* creating a torrent */
{
int ret;
tr_metainfo_builder * builder = tr_metaInfoBuilderCreate( h, sourceFile );
tr_makeMetaInfo( builder, torrentPath, announce, comment, isPrivate );
while( !builder->isDone ) {
wait_msecs( 1 );
printf( "." );
}
ret = !builder->failed;
tr_metaInfoBuilderFree( builder );
return ret;
}
/* Open and parse torrent file */
if( !( tor = tr_torrentInit( h, torrentPath, ".", 0, &error ) ) )
{
printf( "Failed opening torrent file `%s'\n", torrentPath );
tr_close( h );
return EXIT_FAILURE;
}
if( showInfo )
{
const tr_info * info = tr_torrentInfo( tor );
s = tr_torrentStat( 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",
s->tracker->address, s->tracker->port );
printf( "announce: %s\n", s->tracker->announce );
printf( "size: %"PRIu64" (%"PRIu64" * %d + %"PRIu64")\n",
info->totalSize, info->totalSize / info->pieceSize,
info->pieceSize, info->totalSize % info->pieceSize );
if( info->comment[0] )
{
printf( "comment: %s\n", info->comment );
}
if( info->creator[0] )
{
printf( "creator: %s\n", info->creator );
}
if( info->isPrivate )
{
printf( "private flag set\n" );
}
printf( "file(s):\n" );
for( i = 0; i < info->fileCount; i++ )
{
printf( " %s (%"PRIu64")\n", info->files[i].name,
info->files[i].length );
}
goto cleanup;
}
#if 0
if( showScrape )
{
int seeders, leechers, downloaded;
if( tr_torrentScrape( tor, &seeders, &leechers, &downloaded ) )
{
printf( "Scrape failed.\n" );
}
else
{
printf( "%d seeder(s), %d leecher(s), %d download(s).\n",
seeders, leechers, downloaded );
}
goto cleanup;
}
#endif
signal( SIGINT, sigHandler );
tr_setBindPort( h, bindPort );
tr_setGlobalSpeedLimit ( h, TR_UP, uploadLimit );
tr_setUseGlobalSpeedLimit( h, TR_UP, uploadLimit > 0 );
tr_setGlobalSpeedLimit ( h, TR_DOWN, downloadLimit );
tr_setUseGlobalSpeedLimit( h, TR_DOWN, downloadLimit > 0 );
tr_natTraversalEnable( h, natTraversal );
tr_torrentSetStatusCallback( tor, torrentStateChanged, NULL );
tr_torrentStart( tor );
for( ;; )
{
char string[LINEWIDTH];
int chars = 0;
wait_secs( 1 );
if( gotsig )
{
gotsig = 0;
tr_torrentStop( tor );
tr_natTraversalEnable( h, 0 );
}
s = tr_torrentStat( tor );
if( s->status & TR_STATUS_CHECK_WAIT )
{
chars = snprintf( string, sizeof string,
"Waiting to check files... %.2f %%", 100.0 * s->percentDone );
}
else if( s->status & TR_STATUS_CHECK )
{
chars = snprintf( string, sizeof string,
"Checking files... %.2f %%", 100.0 * s->percentDone );
}
else if( s->status & TR_STATUS_DOWNLOAD )
{
chars = snprintf( string, sizeof string,
"Progress: %.2f %%, %d peer%s, dl from %d (%.2f KB/s), "
"ul to %d (%.2f KB/s) [%s]", 100.0 * s->percentDone,
s->peersConnected, ( s->peersConnected == 1 ) ? "" : "s",
s->peersSendingToUs, s->rateDownload,
s->peersGettingFromUs, s->rateUpload,
getStringRatio(s->ratio) );
}
else if( s->status & TR_STATUS_SEED )
{
chars = snprintf( string, sizeof string,
"Seeding, uploading to %d of %d peer(s), %.2f KB/s [%s]",
s->peersGettingFromUs, s->peersConnected,
s->rateUpload, getStringRatio(s->ratio) );
}
else if( s->status & TR_STATUS_STOPPING )
{
chars = snprintf( string, sizeof string, "Stopping..." );
}
else if( s->status & TR_STATUS_INACTIVE )
{
break;
}
if( ( signed )sizeof string > chars )
{
memset( &string[chars], ' ', sizeof string - 1 - chars );
}
string[sizeof string - 1] = '\0';
fprintf( stderr, "\r%s", string );
if( s->error )
{
fprintf( stderr, "\n%s\n", s->errorString );
}
else if( verboseLevel > 0 )
{
fprintf( stderr, "\n" );
}
}
fprintf( stderr, "\n" );
/* Try for 5 seconds to delete any port mappings for nat traversal */
tr_natTraversalEnable( h, 0 );
for( i = 0; i < 10; i++ )
{
hstat = tr_handleStatus( h );
if( TR_NAT_TRAVERSAL_DISABLED == hstat->natTraversalStatus )
{
/* Port mappings were deleted */
break;
}
wait_msecs( 500 );
}
cleanup:
tr_torrentClose( tor );
tr_close( h );
return EXIT_SUCCESS;
}
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' },
{ "private", no_argument, NULL, 'r' },
{ "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' },
{ "create", required_argument, NULL, 'c' },
{ "comment", required_argument, NULL, 'm' },
{ "announce", required_argument, NULL, 'a' },
{ "nat-traversal", no_argument, NULL, 'n' },
{ 0, 0, 0, 0} };
int c, optind = 0;
c = getopt_long( argc, argv, "hisrv:p:u:d:f:c:m:a:n",
long_options, &optind );
if( c < 0 )
{
break;
}
switch( c )
{
case 'h':
showHelp = 1;
break;
case 'i':
showInfo = 1;
break;
#if 0
case 's':
showScrape = 1;
break;
#endif
case 'r':
isPrivate = 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;
case 'c':
sourceFile = optarg;
break;
case 'm':
comment = optarg;
break;
case 'a':
announce = optarg;
break;
case 'n':
natTraversal = 1;
break;
default:
return 1;
}
}
if( optind > argc - 1 )
{
return !showHelp;
}
torrentPath = argv[optind];
return 0;
}
static void sigHandler( int signal )
{
switch( signal )
{
case SIGINT:
gotsig = 1;
break;
default:
break;
}
}