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transmission/daemon/remote.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2007 Joshua Elsasser
*
* 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 <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <assert.h>
#include <ctype.h>
#include <event.h>
#include <getopt.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "bsdqueue.h"
#include "bsdtree.h"
#include "client.h"
#include "errors.h"
#include "misc.h"
#include "transmission.h"
#include "trcompat.h"
#define BESTDECIMAL(d) (10.0 > (d) ? 2 : (100.0 > (d) ? 1 : 0))
struct opts
{
int proxy;
char ** proxycmd;
enum confpathtype type;
struct strlist files;
int sendquit;
int port;
int map;
int uplimit;
int up;
int downlimit;
int down;
int listquick;
int listfull;
int startall;
struct strlist start;
int stopall;
struct strlist stop;
int removeall;
struct strlist remove;
char dir[MAXPATHLEN];
int pex;
};
struct torinfo
{
int id;
char * name;
int64_t size;
char * state;
int64_t eta;
int64_t done;
int64_t ratedown;
int64_t rateup;
int64_t totaldown;
int64_t totalup;
char * errorcode;
char * errormsg;
RB_ENTRY( torinfo ) idlinks;
RB_ENTRY( torinfo ) namelinks;
};
RB_HEAD( torlist, torinfo );
RB_HEAD( tornames, torinfo );
struct torhash
{
char hash[SHA_DIGEST_LENGTH*2+1];
int id;
RB_ENTRY( torhash ) link;
};
RB_HEAD( torhashes, torhash );
static void usage ( const char *, ... );
static int readargs ( int, char **, struct opts * );
static int numarg ( const char * );
static int hasharg ( const char *, struct strlist *, int * );
static int fileargs ( struct strlist *, int, char * const * );
static void listmsg ( const struct cl_info * );
static void infomsg ( const struct cl_info * );
static void statmsg ( const struct cl_stat * );
static void hashmsg ( const struct cl_info * );
static float fmtsize ( int64_t, const char ** );
static char * strdup_noctrl( const char * );
static void print_eta ( int64_t );
static void printlisting ( void );
static int sendidreqs ( void );
static int toridcmp ( struct torinfo *, struct torinfo * );
static int tornamecmp ( struct torinfo *, struct torinfo * );
static int torhashcmp ( struct torhash *, struct torhash * );
static struct torlist gl_torinfo = RB_INITIALIZER( &gl_torinfo );
static struct strlist * gl_starthashes = NULL;
static struct strlist * gl_stophashes = NULL;
static struct strlist * gl_removehashes = NULL;
static struct torhashes gl_hashids = RB_INITIALIZER( &gl_hashids );
static int gl_gotlistinfo = 0;
static int gl_gotliststat = 0;
RB_GENERATE_STATIC( torlist, torinfo, idlinks, toridcmp );
RB_GENERATE_STATIC( tornames, torinfo, namelinks, tornamecmp );
RB_GENERATE_STATIC( torhashes, torhash, link, torhashcmp );
int
main( int argc, char ** argv )
{
struct event_base * evbase;
struct opts o;
char sockpath[MAXPATHLEN];
setmyname( argv[0] );
if( 0 > readargs( argc, argv, &o ) )
{
exit( 1 );
}
evbase = event_init();
client_init( evbase );
if( o.proxy )
{
client_new_cmd( o.proxycmd );
}
else
{
confpath( sockpath, sizeof sockpath, CONF_FILE_SOCKET, o.type );
client_new_sock( sockpath );
}
if( ( o.sendquit && 0 > client_quit ( ) ) ||
( '\0' != o.dir[0] && 0 > client_dir ( o.dir ) ) ||
( !SLIST_EMPTY( &o.files ) && 0 > client_addfiles ( &o.files ) ) ||
( o.startall && 0 > client_start ( 0, NULL ) ) ||
( o.stopall && 0 > client_stop ( 0, NULL ) ) ||
( o.removeall && 0 > client_remove ( 0, NULL ) ) ||
( o.port && 0 > client_port ( o.port ) ) ||
( 0 <= o.map && 0 > client_automap ( o.map ) ) ||
( 0 <= o.pex && 0 > client_pex ( o.pex ) ) ||
( o.uplimit && 0 > client_uplimit ( o.up ) ) ||
( o.downlimit && 0 > client_downlimit( o.down ) ) ||
( o.listquick && 0 > client_list ( listmsg ) ) ||
( o.listfull && ( 0 > client_info ( infomsg ) ||
0 > client_status ( statmsg ) ) ) )
{
exit( 1 );
}
if( ( !o.startall && !SLIST_EMPTY( &o.start ) ) ||
( !o.stopall && !SLIST_EMPTY( &o.stop ) ) ||
( !o.removeall && !SLIST_EMPTY( &o.remove ) ) )
{
if( 0 > client_hashids( hashmsg ) )
{
exit( 1 );
}
gl_starthashes = ( o.startall ? NULL : &o.start );
gl_stophashes = ( o.stopall ? NULL : &o.stop );
gl_removehashes = ( o.removeall ? NULL : &o.remove );
}
event_dispatch();
/* event_base_dispatch( evbase ); */
return 1;
}
void
usage( const char * msg, ... )
{
va_list ap;
if( NULL != msg )
{
printf( "%s: ", getmyname() );
va_start( ap, msg );
vprintf( msg, ap );
va_end( ap );
printf( "\n" );
}
printf(
"usage: %s [options]\n"
"\n"
"Transmission %s (r%d) http://transmission.m0k.org/\n"
"A free, lightweight BitTorrent client with a simple, intuitive interface.\n"
"\n"
" -a --add <torrent> Add a torrent\n"
" -d --download-limit <int> Max download rate in KiB/s\n"
" -D --download-unlimited No download rate limit\n"
" -e --enable-pex Enable peer exchange\n"
" -E --disable-pex Disable peer exchange\n"
" -f --folder <path> Folder to set for new torrents\n"
" -h --help Display this message and exit\n"
" -i --info List all torrents with info hashes\n"
" -l --list List all torrents with status\n"
" -m --port-mapping Automatic port mapping via NAT-PMP or UPnP\n"
" -M --no-port-mapping Disable automatic port mapping\n"
" -p --port <int> Port to listen for incoming connections on\n"
" -q --quit Quit the daemon\n"
" -r --remove <hash> Remove the torrent with the given hash\n"
" -r --remove all Remove all torrents\n"
" -s --start <hash> Start the torrent with the given hash\n"
" -s --start all Start all stopped torrents\n"
" -S --stop <hash> Stop the torrent with the given hash\n"
" -S --stop all Stop all running torrents\n"
" -t --type daemon Use the daemon frontend, transmission-daemon\n"
" -t --type gtk Use the GTK+ frontend, transmission-gtk\n"
" -u --upload-limit <int> Max upload rate in KiB/s\n"
" -U --upload-unlimited No upload rate limit\n"
" -x --proxy Use proxy command to connect to frontend\n",
getmyname(), VERSION_STRING, VERSION_REVISION );
exit( 0 );
}
int
readargs( int argc, char ** argv, struct opts * opts )
{
char optstr[] = "a:d:DeEf:hilmMp:qr:s:S:t:u:Ux";
struct option longopts[] =
{
{ "add", required_argument, NULL, 'a' },
{ "download-limit", required_argument, NULL, 'd' },
{ "download-unlimited", no_argument, NULL, 'D' },
{ "enable-pex", no_argument, NULL, 'e' },
{ "disable-pex", no_argument, NULL, 'E' },
{ "folder", required_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{ "info", no_argument, NULL, 'i' },
{ "list", no_argument, NULL, 'l' },
{ "port-mapping", no_argument, NULL, 'm' },
{ "no-port-mapping", no_argument, NULL, 'M' },
{ "port", required_argument, NULL, 'p' },
{ "quit", no_argument, NULL, 'q' },
{ "remove", required_argument, NULL, 'r' },
{ "start", required_argument, NULL, 's' },
{ "stop", required_argument, NULL, 'S' },
{ "type", required_argument, NULL, 't' },
{ "upload-limit", required_argument, NULL, 'u' },
{ "upload-unlimited", no_argument, NULL, 'U' },
{ "proxy", no_argument, NULL, 'U' },
{ NULL, 0, NULL, 0 }
};
int opt, gotmsg;
gotmsg = 0;
bzero( opts, sizeof *opts );
opts->type = CONF_PATH_TYPE_DAEMON;
SLIST_INIT( &opts->files );
opts->map = -1;
opts->pex = -1;
SLIST_INIT( &opts->start );
SLIST_INIT( &opts->stop );
SLIST_INIT( &opts->remove );
while( 0 <= ( opt = getopt_long( argc, argv, optstr, longopts, NULL ) ) )
{
switch( opt )
{
case 'a':
if( 0 > fileargs( &opts->files, 1, &optarg ) )
{
return -1;
}
break;
case 'd':
opts->downlimit = 1;
opts->down = numarg( optarg );
break;
case 'D':
opts->downlimit = 1;
opts->down = -1;
break;
case 'e':
opts->pex = 1;
break;
case 'E':
opts->pex = 0;
break;
case 'f':
absolutify( opts->dir, sizeof opts->dir, optarg );
break;
case 'i':
opts->listquick = 1;
break;
case 'l':
opts->listfull = 1;
break;
case 'm':
opts->map = 1;
break;
case 'M':
opts->map = 0;
break;
case 'p':
opts->port = numarg( optarg );
if( 0 >= opts->port || 0xffff <= opts->port )
{
usage( "invalid port: %i", opts->port );
}
break;
case 'q':
opts->sendquit = 1;
break;
case 'r':
if( 0 > hasharg( optarg, &opts->remove, &opts->removeall ) )
{
return -1;
}
break;
case 's':
if( 0 > hasharg( optarg, &opts->start, &opts->startall ) )
{
return -1;
}
break;
case 'S':
if( 0 > hasharg( optarg, &opts->stop, &opts->stopall ) )
{
return -1;
}
break;
case 't':
if( 0 == strcasecmp( "daemon", optarg ) )
{
opts->type = CONF_PATH_TYPE_DAEMON;
}
else if( 0 == strcasecmp( "gtk", optarg ) )
{
opts->type = CONF_PATH_TYPE_GTK;
}
else
{
usage( "invalid type: %s", optarg );
}
break;
case 'u':
opts->uplimit = 1;
opts->up = numarg( optarg );
break;
case 'U':
opts->uplimit = 1;
opts->up = -1;
break;
case 'x':
opts->proxy = 1;
break;
default:
usage( NULL );
break;
}
gotmsg = 1;
}
if( !gotmsg && argc == optind )
{
usage( NULL );
}
if( opts->proxy )
{
opts->proxycmd = argv + optind;
}
else if( 0 > fileargs( &opts->files, argc - optind, argv + optind ) )
{
return -1;
}
return 0;
}
int
numarg( const char * arg )
{
char * end;
long num;
end = NULL;
num = strtol( arg, &end, 10 );
if( NULL != end && '\0' != *end )
{
usage( "not a number: %s", arg );
return -1;
}
return num;
}
int
hasharg( const char * arg, struct strlist * list, int * all )
{
struct stritem * listitem;
struct torhash * treeitem, key, * foo;
size_t len, ii;
/* check for special "all" value */
if( 0 == strcasecmp( "all", arg ) )
{
*all = 1;
return 0;
}
/* check hash length */
len = strlen( arg );
if( SHA_DIGEST_LENGTH * 2 != len )
{
usage( "torrent info hash length is not %i: %s",
SHA_DIGEST_LENGTH * 2, arg );
return -1;
}
/* allocate list item */
listitem = calloc( 1, sizeof *listitem );
if( NULL == listitem )
{
mallocmsg( sizeof *listitem );
return -1;
}
listitem->str = calloc( len + 1, 1 );
if( NULL == listitem->str )
{
mallocmsg( len + 1 );
free( listitem );
return -1;
}
/* check that the hash is all hex and copy it in lowercase */
for( ii = 0; len > ii; ii++ )
{
if( !isxdigit( arg[ii] ) )
{
usage( "torrent info hash is not hex: %s", arg );
free( listitem->str );
free( listitem );
return -1;
}
listitem->str[ii] = tolower( arg[ii] );
}
/* try to look up the hash in the hash tree */
bzero( &key, sizeof key );
strlcpy( key.hash, listitem->str, sizeof key.hash );
treeitem = RB_FIND( torhashes, &gl_hashids, &key );
if( NULL == treeitem )
{
/* the hash isn't in the tree, allocate a tree item and insert it */
treeitem = calloc( 1, sizeof *treeitem );
if( NULL == treeitem )
{
mallocmsg( sizeof *treeitem );
free( listitem->str );
free( listitem );
return -1;
}
treeitem->id = -1;
strlcpy( treeitem->hash, listitem->str, sizeof treeitem->hash );
foo = RB_INSERT( torhashes, &gl_hashids, treeitem );
assert( NULL == foo );
}
/* finally, add the list item to the list */
SLIST_INSERT_HEAD( list, listitem, next );
return 0;
}
int
fileargs( struct strlist * list, int argc, char * const * argv )
{
struct stritem * item;
int ii;
char path[MAXPATHLEN];
for( ii = 0; argc > ii; ii++ )
{
item = calloc( 1, sizeof *item );
if( NULL == item )
{
mallocmsg( sizeof *item );
return -1;
}
if( '/' == argv[ii][0] )
{
item->str = strdup( argv[ii] );
if( NULL == item->str )
{
mallocmsg( strlen( argv[ii] ) + 1 );
free( item );
return -1;
}
}
else
{
absolutify( path, sizeof path, argv[ii] );
item->str = strdup( path );
if( NULL == item->str )
{
mallocmsg( strlen( path ) + 1 );
free( item );
return -1;
}
}
SLIST_INSERT_HEAD( list, item, next );
}
return 0;
}
void
listmsg( const struct cl_info * inf )
{
char * newname;
size_t ii;
if( NULL == inf )
{
return;
}
if( NULL == inf->name )
{
errmsg( "missing torrent name from server" );
return;
}
else if( NULL == inf->hash )
{
errmsg( "missing torrent hash from server" );
return;
}
newname = strdup_noctrl( inf->name );
if( NULL == newname )
{
return;
}
for( ii = 0; '\0' != inf->hash[ii]; ii++ )
{
if( isxdigit( inf->hash[ii] ) )
{
putchar( tolower( inf->hash[ii] ) );
}
}
putchar( ' ' );
printf( "%s\n", newname );
free( newname );
}
void
infomsg( const struct cl_info * cinfo )
{
struct torinfo * tinfo, key;
gl_gotlistinfo = 1;
if( NULL == cinfo )
{
if( gl_gotliststat )
{
printlisting();
}
return;
}
if( NULL == cinfo->name || 0 >= cinfo->size )
{
errmsg( "missing torrent info from server" );
return;
}
bzero( &key, sizeof key );
key.id = cinfo->id;
tinfo = RB_FIND( torlist, &gl_torinfo, &key );
if( NULL == tinfo )
{
tinfo = calloc( 1, sizeof *tinfo );
if( NULL == tinfo )
{
mallocmsg( sizeof *tinfo );
return;
}
tinfo->id = cinfo->id;
RB_INSERT( torlist, &gl_torinfo, tinfo );
}
free( tinfo->name );
tinfo->name = strdup_noctrl( cinfo->name );
tinfo->size = cinfo->size;
}
void
statmsg( const struct cl_stat * st )
{
struct torinfo * info, key;
gl_gotliststat = 1;
if( NULL == st )
{
if( gl_gotlistinfo )
{
printlisting();
}
return;
}
if( NULL == st->state || 0 > st->done ||
0 > st->ratedown || 0 > st->rateup ||
0 > st->totaldown || 0 > st->totalup )
{
errmsg( "missing torrent status from server" );
return;
}
bzero( &key, sizeof key );
key.id = st->id;
info = RB_FIND( torlist, &gl_torinfo, &key );
if( NULL == info )
{
info = calloc( 1, sizeof *info );
if( NULL == info )
{
mallocmsg( sizeof *info );
return;
}
info->id = st->id;
RB_INSERT( torlist, &gl_torinfo, info );
}
free( info->state );
info->state = strdup_noctrl( st->state );
info->eta = st->eta;
info->done = st->done;
info->ratedown = st->ratedown;
info->rateup = st->rateup;
info->totaldown = st->totaldown;
info->totalup = st->totalup;
if( NULL != st->error && '\0' != st->error[0] )
{
info->errorcode = strdup_noctrl( st->error );
}
if( NULL != st->errmsg && '\0' != st->errmsg[0] )
{
info->errormsg = strdup_noctrl( st->errmsg );
}
}
void
hashmsg( const struct cl_info * inf )
{
struct torhash key, * found;
if( NULL == inf )
{
sendidreqs();
return;
}
if( NULL == inf->hash )
{
errmsg( "missing torrent hash from server" );
return;
}
bzero( &key, sizeof key );
strlcpy( key.hash, inf->hash, sizeof key.hash );
found = RB_FIND( torhashes, &gl_hashids, &key );
if( NULL != found )
{
found->id = inf->id;
}
}
float
fmtsize( int64_t num, const char ** units )
{
static const char * sizes[] =
{
"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB",
};
float ret;
size_t ii;
ret = num;
for( ii = 0; ARRAYLEN( sizes ) > ii && 1000.0 < ret; ii++ )
{
ret /= 1024.0;
}
if( NULL != units )
{
*units = sizes[ii];
}
return ret;
}
char *
strdup_noctrl( const char * str )
{
char * ret;
size_t ii;
ii = strlen( str );
ret = malloc( ii + 1 );
if( NULL == ret )
{
mallocmsg( ii + 1 );
return NULL;
}
for( ii = 0; '\0' != str[ii]; ii++ )
{
ret[ii] = ( iscntrl( str[ii] ) ? ' ' : str[ii] );
}
ret[ii] = '\0';
return ret;
}
void
print_eta( int64_t secs )
{
static const struct
{
const char * label;
int64_t div;
}
units[] =
{
{ "second", 60 },
{ "minute", 60 },
{ "hour", 24 },
{ "day", 7 },
{ "week", 1 }
};
int readable[ ARRAYLEN( units ) ];
int printed;
size_t ii;
if( 0 > secs )
{
printf( "stalled" );
return;
}
for( ii = 0; ARRAYLEN( units ) > ii; ii++ )
{
readable[ii] = secs % units[ii].div;
secs /= units[ii].div;
}
readable[ii-1] = MIN( INT_MAX, secs );
printf( "done in" );
for( printed = 0; 0 < ii && 2 > printed; ii-- )
{
if( 0 != readable[ii-1] ||
( 0 == printed && 1 == ii ) )
{
printf( " %i %s%s", readable[ii-1], units[ii-1].label,
( 1 == readable[ii-1] ? "" : "s" ) );
printed++;
}
}
}
int
sendidreqs( void )
{
struct
{
struct strlist * list;
int ( * func )( size_t, const int * );
}
reqs[] =
{
{ gl_starthashes, client_start },
{ gl_stophashes, client_stop },
{ gl_removehashes, client_remove },
};
struct stritem * jj;
size_t ii;
int * ids, count, ret;
struct torhash key, * found;
ret = -1;
bzero( &key, sizeof key );
for( ii = 0; ARRAYLEN( reqs ) > ii; ii++)
{
if( SLIST_EMPTY( reqs[ii].list ) )
{
continue;
}
count = 0;
SLIST_FOREACH( jj, reqs[ii].list, next )
{
count++;
}
count++;
ids = calloc( count, sizeof ids[0] );
if( NULL == ids )
{
mallocmsg( count * sizeof ids[0] );
return -1;
}
count = 0;
SLIST_FOREACH( jj, reqs[ii].list, next )
{
strlcpy( key.hash, jj->str, sizeof key.hash );
found = RB_FIND( torhashes, &gl_hashids, &key );
if( NULL != found && TORRENT_ID_VALID( found->id ) )
{
ids[count] = found->id;
count++;
}
}
if( 0 < count )
{
if( 0 > reqs[ii].func( count, ids ) )
{
free( ids );
return -1;
}
ret = 0;
}
free( ids );
}
gl_starthashes = NULL;
gl_stophashes = NULL;
gl_removehashes = NULL;
return ret;
}
void
printlisting( void )
{
struct tornames names;
struct torinfo * ii, * next;
const char * units, * name, * upunits, * downunits;
float size, progress, upspeed, downspeed, ratio;
/* sort the torrents by name */
RB_INIT( &names );
RB_FOREACH( ii, torlist, &gl_torinfo )
{
RB_INSERT( tornames, &names, ii );
}
/* print the torrent info while freeing the tree */
for( ii = RB_MIN( tornames, &names ); NULL != ii; ii = next )
{
next = RB_NEXT( tornames, &names, ii );
RB_REMOVE( tornames, &names, ii );
RB_REMOVE( torlist, &gl_torinfo, ii );
/* massage some numbers into a better format for printing */
size = fmtsize( ii->size, &units );
upspeed = fmtsize( ii->rateup, &upunits );
downspeed = fmtsize( ii->ratedown, &downunits );
name = ( NULL == ii->name ? "???" : ii->name );
progress = ( float )ii->done / ( float )ii->size * 100.0;
progress = MIN( 100.0, progress );
progress = MAX( 0.0, progress );
/* print name and size */
printf( "%s (%.*f %s) - ", name, BESTDECIMAL( size ), size, units );
/* print hash check progress */
if( 0 == strcasecmp( "checking", ii->state ) )
{
printf( "%.*f%% checking files",
BESTDECIMAL( progress ), progress );
}
/* print download progress, speeds, and eta */
else if( 0 == strcasecmp( "downloading", ii->state ) )
{
progress = MIN( 99.0, progress );
printf( "%.*f%% downloading at %.*f %s/s (UL at %.*f %s/s), ",
BESTDECIMAL( progress ), progress,
BESTDECIMAL( downspeed ), downspeed, downunits,
BESTDECIMAL( upspeed ), upspeed, upunits );
print_eta( ii->eta );
}
/* print seeding speed */
else if( 0 == strcasecmp( "seeding", ii->state ) )
{
if( 0 == ii->totalup && 0 == ii->totaldown )
{
printf( "100%% seeding at %.*f %s/s [N/A]",
BESTDECIMAL( upspeed ), upspeed, upunits );
}
else if( 0 == ii->totaldown )
{
printf( "100%% seeding at %.*f %s/s [INF]",
BESTDECIMAL( upspeed ), upspeed, upunits );
}
else
{
ratio = ( float )ii->totalup / ( float )ii->totaldown;
printf( "100%% seeding at %.*f %s/s [%.*f]",
BESTDECIMAL( upspeed ), upspeed, upunits,
BESTDECIMAL( ratio ), ratio );
}
}
/* print stopping message */
else if( 0 == strcasecmp( "stopping", ii->state ) )
{
printf( "%.*f%% stopping...", BESTDECIMAL( progress ), progress );
}
/* print stopped message with progress */
else if( 0 == strcasecmp( "paused", ii->state ) )
{
printf( "%.*f%% stopped", BESTDECIMAL( progress ), progress );
}
/* unknown status, just print it with progress */
else
{
printf( "%.*f%% %s",
BESTDECIMAL( progress ), progress, ii->state );
}
/* print any error */
if( NULL != ii->errorcode || NULL != ii->errormsg )
{
if( NULL == ii->errorcode )
{
printf( " [error: %s]", ii->errormsg );
}
else
{
printf( " [%s error]", ii->errorcode );
}
}
/* don't forget the newline */
putchar( '\n' );
/* free the stuff for this torrent */
free( ii->name );
free( ii->state );
free( ii->errorcode );
free( ii->errormsg );
free( ii );
}
}
int
tornamecmp( struct torinfo * left, struct torinfo * right )
{
int ret;
/* we know they're equal if they're the same struct */
if( left == right )
{
return 0;
}
/* we might be missing a name, fall back on torrent ID */
else if( NULL == left->name && NULL == right->name )
{
return toridcmp( left, right );
}
else if( NULL == left->name )
{
return -1;
}
else if( NULL == right->name )
{
return 1;
}
/* if we have two names, compare them */
ret = strcasecmp( left->name, right->name );
if( 0 != ret )
{
return ret;
}
/* if the names are the same then fall back on the torrent ID,
this is to handle different torrents with the same name */
else
{
return toridcmp( left, right );
}
}
int
torhashcmp( struct torhash * left, struct torhash * right )
{
return strcasecmp( left->hash, right->hash );
}
INTCMP_FUNC( toridcmp, torinfo, id )
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