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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 "transmission.h"
#include "bencode.h"
/* XXX */
#define TR_WANT_TORRENT_PRIVATE
#include "tr_core.h"
#include "tr_prefs.h"
#include "tr_torrent.h"
#include "util.h"
enum {
TR_TORRENT_HANDLE = 1,
TR_TORRENT_BACKEND,
TR_TORRENT_DIR,
TR_TORRENT_PAUSED,
};
static void
tr_torrent_init(GTypeInstance *instance, gpointer g_class);
static void
tr_torrent_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
static void
tr_torrent_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void
tr_torrent_class_init(gpointer g_class, gpointer g_class_data);
static void
tr_torrent_dispose(GObject *obj);
static void
tr_torrent_set_folder(TrTorrent *tor);
static gboolean
tr_torrent_paused(TrTorrent *tor);
static gpointer
tracker_boxed_fake_copy( gpointer boxed )
{
return boxed;
}
static void
tracker_boxed_fake_free( gpointer boxed SHUTUP )
{
}
GType
tr_tracker_boxed_get_type( void )
{
static GType type = 0;
if( 0 == type )
{
type = g_boxed_type_register_static( "TrTrackerBoxed",
tracker_boxed_fake_copy,
tracker_boxed_fake_free );
}
return type;
}
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;
}
static void
tr_torrent_class_init(gpointer g_class, gpointer g_class_data SHUTUP) {
GObjectClass *gobject_class = G_OBJECT_CLASS(g_class);
TrTorrentClass *klass = TR_TORRENT_CLASS(g_class);
GParamSpec *pspec;
gobject_class->set_property = tr_torrent_set_property;
gobject_class->get_property = tr_torrent_get_property;
gobject_class->dispose = tr_torrent_dispose;
pspec = g_param_spec_pointer("torrent-handle", "Torrent handle",
"Torrent handle from libtransmission",
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_HANDLE, pspec);
pspec = g_param_spec_object("backend", "Backend",
"Libtransmission backend object",
TR_CORE_TYPE,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_BACKEND, pspec);
pspec = g_param_spec_string("download-directory", "Download directory",
"Directory to download files to", NULL,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_DIR, pspec);
pspec = g_param_spec_boolean("paused", "Paused",
"Is the torrent paused or running", TRUE,
G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_PAUSED, pspec);
klass->paused_signal_id = g_signal_newv("politely-stopped",
G_TYPE_FROM_CLASS(g_class),
G_SIGNAL_RUN_LAST, NULL, NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0, NULL);
}
static void
tr_torrent_init(GTypeInstance *instance, gpointer g_class SHUTUP) {
TrTorrent *self = (TrTorrent *)instance;
self->handle = NULL;
self->core = NULL;
self->dir = NULL;
self->closing = FALSE;
self->delfile = NULL;
self->disposed = FALSE;
}
static void
tr_torrent_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec) {
TrTorrent *self = (TrTorrent*)object;
if(self->disposed)
return;
switch(property_id) {
case TR_TORRENT_HANDLE:
g_assert(NULL == self->handle);
self->handle = g_value_get_pointer(value);
if(NULL != self->handle && NULL != self->dir)
tr_torrent_set_folder(self);
break;
case TR_TORRENT_BACKEND:
g_assert(NULL == self->core);
self->core = g_object_ref( g_value_get_object( value ) );
break;
case TR_TORRENT_DIR:
g_assert(NULL == self->dir);
self->dir = g_value_dup_string(value);
if(NULL != self->handle && NULL != self->dir)
tr_torrent_set_folder(self);
break;
case TR_TORRENT_PAUSED:
g_assert(NULL != self->handle);
if(tr_torrent_paused(self) != g_value_get_boolean(value))
(g_value_get_boolean(value) ? tr_torrentStop : tr_torrentStart)
(self->handle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void
tr_torrent_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec) {
TrTorrent *self = (TrTorrent*)object;
if(self->disposed)
return;
switch(property_id) {
case TR_TORRENT_HANDLE:
g_value_set_pointer(value, self->handle);
break;
case TR_TORRENT_BACKEND:
g_value_set_object( value, self->core );
break;
case TR_TORRENT_DIR:
g_value_set_string(value, (NULL != self->dir ? self->dir :
tr_torrentGetFolder(self->handle)));
break;
case TR_TORRENT_PAUSED:
g_value_set_boolean(value, tr_torrent_paused(self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
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;
if(NULL != self->handle) {
if(!tr_torrent_paused(self))
tr_torrentStop(self->handle);
tr_torrentClose( tr_core_handle( TR_CORE( self->core) ) , self->handle );
self->handle = NULL;
}
if( NULL != self->core )
{
g_object_unref( self->core );
self->core = NULL;
}
if(NULL != self->delfile)
g_free(self->delfile);
/* Chain up to the parent class */
parent->dispose(obj);
}
tr_torrent_t *
tr_torrent_handle(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->disposed)
return NULL;
return tor->handle;
}
tr_stat_t *
tr_torrent_stat(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->disposed)
return NULL;
return tr_torrentStat(tor->handle);
}
tr_info_t *
tr_torrent_info(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->disposed)
return NULL;
return tr_torrentInfo(tor->handle);
}
TrTorrent *
tr_torrent_new( GObject * core, const char *torrent, const char *dir,
guint flags, char **err) {
TrTorrent *ret;
tr_torrent_t *handle;
tr_handle_t *back;
int errcode, trflags;
gboolean boolval;
TR_IS_CORE( core );
g_assert(NULL != dir);
*err = NULL;
back = tr_core_handle( TR_CORE( core ) );
trflags = 0;
if((TR_TORNEW_SAVE_COPY|TR_TORNEW_SAVE_MOVE) & flags)
trflags |= TR_FLAG_SAVE;
errcode = -1;
if(TR_TORNEW_LOAD_SAVED & flags)
handle = tr_torrentInitSaved(back, torrent, 0, &errcode);
else
handle = tr_torrentInit(back, torrent, NULL, trflags, &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;
}
/* I should probably add a property for this but I've had enough
with adding useless gtk glue to this program */
boolval = tr_prefs_get_bool_with_default( PREF_ID_PEX );
tr_torrentDisablePex( handle, !boolval );
ret = g_object_new(TR_TORRENT_TYPE, "torrent-handle", handle,
"backend", core, "download-directory", dir, NULL);
g_object_set(ret, "paused", (TR_TORNEW_PAUSED & flags ? TRUE : FALSE), NULL);
if(TR_TORNEW_SAVE_MOVE & flags)
ret->delfile = g_strdup(torrent);
return ret;
}
TrTorrent *
tr_torrent_new_with_state( GObject * core, benc_val_t * state,
guint forcedflags, char ** err)
{
int ii;
benc_val_t *name, *data;
char *torrent, *hash, *dir;
gboolean hadpaused, paused;
guint flags;
*err = NULL;
if(TYPE_DICT != state->type)
return NULL;
torrent = hash = dir = NULL;
hadpaused = FALSE;
paused = FALSE; /* silence stupid compiler warning */
for(ii = 0; ii + 1 < state->val.l.count; ii += 2) {
name = state->val.l.vals + ii;
data = state->val.l.vals + ii + 1;
if(TYPE_STR == name->type &&
(TYPE_STR == data->type || TYPE_INT == data->type)) {
if(0 == strcmp("torrent", name->val.s.s))
torrent = data->val.s.s;
if(0 == strcmp("hash", name->val.s.s))
hash = data->val.s.s;
else if(0 == strcmp("dir", name->val.s.s))
dir = data->val.s.s;
else if(0 == strcmp("paused", name->val.s.s)) {
hadpaused = TRUE;
paused = (data->val.i ? TRUE : FALSE);
}
}
}
if((NULL != torrent && NULL != hash) ||
(NULL == torrent && NULL == hash) || NULL == dir)
return NULL;
flags = 0;
if(hadpaused)
flags |= (paused ? TR_TORNEW_PAUSED : TR_TORNEW_RUNNING);
if(NULL != hash) {
flags |= TR_TORNEW_LOAD_SAVED;
torrent = hash;
}
forcedflags &= TR_TORNEW_PAUSED | TR_TORNEW_RUNNING;
if( forcedflags )
{
flags &= ~( TR_TORNEW_PAUSED | TR_TORNEW_RUNNING );
flags |= forcedflags;
}
return tr_torrent_new( core, torrent, dir, flags, err );
}
#define SETSTRVAL(vv, ss) \
do { \
(vv)->type = TYPE_STR; \
(vv)->val.s.s = g_strdup((ss)); \
(vv)->val.s.i = strlen((ss)); \
} while(0)
void
tr_torrent_get_state(TrTorrent *tor, benc_val_t *state) {
tr_info_t *in = tr_torrentInfo(tor->handle);
TR_IS_TORRENT(tor);
if(tor->disposed)
return;
if(tor->closing)
return;
state->type = TYPE_DICT;
state->val.l.vals = g_new0(benc_val_t, 6);
state->val.l.alloc = state->val.l.count = 6;
if(TR_FLAG_SAVE & in->flags) {
SETSTRVAL(state->val.l.vals + 0, "hash");
SETSTRVAL(state->val.l.vals + 1, in->hashString);
} else {
SETSTRVAL(state->val.l.vals + 0, "torrent");
SETSTRVAL(state->val.l.vals + 1, in->torrent);
}
SETSTRVAL(state->val.l.vals + 2, "dir");
SETSTRVAL(state->val.l.vals + 3, tr_torrentGetFolder(tor->handle));
SETSTRVAL(state->val.l.vals + 4, "paused");
state->val.l.vals[5].type = TYPE_INT;
state->val.l.vals[5].val.i = tr_torrent_paused(tor);
}
/* XXX this should probably be done with a signal */
void
tr_torrent_state_saved(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->disposed)
return;
if(NULL != tor->delfile) {
unlink(tor->delfile);
g_free(tor->delfile);
tor->delfile = NULL;
}
}
static void
tr_torrent_set_folder(TrTorrent *tor) {
char *wd;
if(NULL != tor->dir)
tr_torrentSetFolder(tor->handle, tor->dir);
else {
wd = g_new(char, MAX_PATH_LENGTH + 1);
tr_torrentSetFolder(tor->handle,
(NULL == getcwd(wd, MAX_PATH_LENGTH + 1) ? "." : wd));
g_free(wd);
}
}
static gboolean
tr_torrent_paused(TrTorrent *tor) {
tr_stat_t *st = tr_torrentStat(tor->handle);
return (TR_STATUS_INACTIVE & st->status ? TRUE : FALSE);
}
void
tr_torrent_stop_politely(TrTorrent *tor) {
tr_stat_t *st;
TR_IS_TORRENT(tor);
if(tor->disposed)
return;
if(!tor->closing) {
st = tr_torrent_stat(tor);
tor->closing = TRUE;
if(TR_STATUS_ACTIVE & st->status)
tr_torrentStop(tor->handle);
}
}
tr_stat_t *
tr_torrent_stat_polite( TrTorrent * tor, gboolean timeout )
{
TrTorrentClass * klass;
tr_stat_t * st;
TR_IS_TORRENT( tor );
if( tor->disposed )
{
return NULL;
}
st = tr_torrentStat( tor->handle );
if( tor->closing && ( TR_STATUS_PAUSE & st->status || timeout ) )
{
tor->closing = FALSE;
klass = g_type_class_peek( TR_TORRENT_TYPE );
g_signal_emit( tor, klass->paused_signal_id, 0, NULL );
return tr_torrent_stat_polite( tor, FALSE );
}
return st;
}
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