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transmission/gtk/tr_torrent.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2006-2007 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 <string.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <libtransmission/transmission.h>
#include "tr_prefs.h"
#include "tr_torrent.h"
#include "conf.h"
#include "util.h"
static void
tr_torrent_init(GTypeInstance *instance, gpointer g_class UNUSED )
{
TrTorrent *self = (TrTorrent *)instance;
#ifdef REFDBG
fprintf( stderr, "torrent %p init\n", self );
#endif
self->handle = NULL;
self->lastStatTime = 0;
self->delfile = NULL;
self->severed = FALSE;
self->disposed = FALSE;
self->seeding_cap = 2.0;
}
static void
tr_torrent_dispose(GObject *obj)
{
GObjectClass *parent = g_type_class_peek(g_type_parent(TR_TORRENT_TYPE));
TrTorrent *self = (TrTorrent*)obj;
if(self->disposed)
return;
self->disposed = TRUE;
#ifdef REFDBG
fprintf( stderr, "torrent %p dispose\n", self );
#endif
if( !self->severed )
tr_torrent_sever( self );
g_free (self->delfile);
/* Chain up to the parent class */
parent->dispose(obj);
}
static void
tr_torrent_class_init(gpointer g_class, gpointer g_class_data UNUSED )
{
GObjectClass *gobject_class = G_OBJECT_CLASS(g_class);
gobject_class->dispose = tr_torrent_dispose;
}
GType
tr_torrent_get_type(void)
{
static GType type = 0;
if(0 == type) {
static const GTypeInfo info = {
sizeof (TrTorrentClass),
NULL, /* base_init */
NULL, /* base_finalize */
tr_torrent_class_init, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (TrTorrent),
0, /* n_preallocs */
tr_torrent_init, /* instance_init */
NULL,
};
type = g_type_register_static(G_TYPE_OBJECT, "TrTorrent", &info, 0);
}
return type;
}
void
tr_torrent_sever( TrTorrent * self )
{
g_return_if_fail (TR_IS_TORRENT( self ));
if( !self->severed )
{
self->severed = TRUE;
if( self->handle )
tr_torrentClose( self->handle );
}
}
tr_torrent *
tr_torrent_handle(TrTorrent *tor)
{
g_assert( TR_IS_TORRENT(tor) );
return tor->severed ? NULL : tor->handle;
}
static tr_stat*
refreshStat( TrTorrent * tor )
{
tor->lastStatTime= time( NULL );
tor->stat = *tr_torrentStat( tor->handle );
return &tor->stat;
}
const tr_stat *
tr_torrent_stat(TrTorrent *tor)
{
g_assert( TR_IS_TORRENT(tor) );
if( !tor->severed && tor->lastStatTime!=time(NULL) )
refreshStat( tor );
return &tor->stat;
}
const tr_info *
tr_torrent_info(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->severed)
return NULL;
return tr_torrentInfo(tor->handle);
}
void
tr_torrent_start( TrTorrent * self )
{
TR_IS_TORRENT( self );
if( !self->severed )
tr_torrentStart( self->handle );
}
void
tr_torrent_stop( TrTorrent * self )
{
TR_IS_TORRENT( self );
if( !self->severed )
tr_torrentStop( self->handle );
}
static TrTorrent *
maketorrent( tr_torrent * handle )
{
tr_torrentDisablePex( handle, !pref_flag_get( PREF_KEY_PEX ) );
TrTorrent * tor = g_object_new( TR_TORRENT_TYPE, NULL );
tor->handle = handle;
return tor;
}
TrTorrent*
tr_torrent_new_preexisting( tr_torrent * tor )
{
return maketorrent( tor );
}
TrTorrent *
tr_torrent_new( tr_handle * back, const char *torrent, const char *dir,
enum tr_torrent_action act, gboolean paused, char **err )
{
TrTorrent *ret;
tr_torrent *handle;
int errcode;
g_assert(NULL != dir);
*err = NULL;
errcode = -1;
handle = tr_torrentInit( back, torrent, dir, paused, &errcode );
if(NULL == handle) {
switch(errcode) {
case TR_EINVALID:
*err = g_strdup_printf(_("%s: not a valid torrent file"), torrent);
break;
case TR_EDUPLICATE:
*err = g_strdup_printf(_("%s: torrent is already open"), torrent);
break;
default:
*err = g_strdup(torrent);
break;
}
return NULL;
}
ret = maketorrent( handle );
if( TR_TOR_MOVE == act )
ret->delfile = g_strdup(torrent);
return ret;
}
TrTorrent *
tr_torrent_new_with_data( tr_handle * back, uint8_t * data, size_t size,
const char * dir, gboolean paused, char ** err )
{
tr_torrent * handle;
int errcode;
g_assert( NULL != dir );
*err = NULL;
errcode = -1;
handle = tr_torrentInitData( back, data, size, dir, paused, &errcode );
if( NULL == handle )
{
switch( errcode )
{
case TR_EINVALID:
*err = g_strdup( _("not a valid torrent file") );
break;
case TR_EDUPLICATE:
*err = g_strdup( _("torrent is already open") );
break;
default:
*err = g_strdup( "" );
break;
}
return NULL;
}
return maketorrent( handle );
}
void
tr_torrent_check_seeding_cap ( TrTorrent *gtor)
{
const tr_stat * st = tr_torrent_stat( gtor );
if ((gtor->seeding_cap_enabled) && (st->ratio >= gtor->seeding_cap))
tr_torrent_stop (gtor);
}
void
tr_torrent_set_seeding_cap_ratio ( TrTorrent *gtor, gdouble ratio )
{
gtor->seeding_cap = ratio;
tr_torrent_check_seeding_cap (gtor);
}
void
tr_torrent_set_seeding_cap_enabled ( TrTorrent *gtor, gboolean b )
{
if ((gtor->seeding_cap_enabled = b))
tr_torrent_check_seeding_cap (gtor);
}
char *
tr_torrent_status_str ( TrTorrent * gtor )
{
char * top = 0;
const tr_stat * st = tr_torrent_stat( gtor );
const int tpeers = MAX (st->peersConnected, 0);
const int upeers = MAX (st->peersGettingFromUs, 0);
const int eta = st->eta;
double prog = st->percentDone * 100.0; /* [0...100] */
switch( st->status )
{
case TR_STATUS_CHECK_WAIT:
prog = st->recheckProgress * 100.0; /* [0...100] */
top = g_strdup_printf( _("Waiting to verify local files (%.1f%% tested)"), prog );
break;
case TR_STATUS_CHECK:
prog = st->recheckProgress * 100.0; /* [0...100] */
top = g_strdup_printf( _("Verifying local files (%.1f%% tested)"), prog );
break;
case TR_STATUS_DOWNLOAD:
if( eta < 0 )
top = g_strdup_printf( _("Stalled (%.1f%%)"), prog );
else {
char * timestr = readabletime(eta);
top = g_strdup_printf( _("%s remaining (%.1f%%)"), timestr, prog );
g_free(timestr);
}
break;
case TR_STATUS_DONE:
top = g_strdup_printf(
ngettext( "Uploading to %d of %d peer",
"Uploading to %d of %d peers", tpeers ),
upeers, tpeers );
break;
case TR_STATUS_SEED:
top = g_strdup_printf(
ngettext( "Seeding to %d of %d peer",
"Seeding to %d of %d peers", tpeers ),
upeers, tpeers );
break;
case TR_STATUS_STOPPED:
top = g_strdup_printf( _("Stopped (%.1f%%)"), prog );
break;
default:
top = g_strdup_printf( _("Unrecognized state: %d"), st->status );
break;
}
return top;
}
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