transmission/gtk/tr_backend.c

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/******************************************************************************
* $Id$
*
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* 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.
*****************************************************************************/
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#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#define TR_WANT_TORRENT_PRIVATE
#include "transmission.h"
#include "bencode.h"
#include "conf.h"
#include "tr_backend.h"
#include "tr_torrent.h"
#include "util.h"
/*
enum {
TR_BACKEND_HANDLE = 1,
};
*/
static void
tr_backend_init(GTypeInstance *instance, gpointer g_class);
static void
tr_backend_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
static void
tr_backend_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void
tr_backend_class_init(gpointer g_class, gpointer g_class_data);
static void
tr_backend_dispose(GObject *obj);
static void
tr_backend_finalize(GObject *obj);
static void
tr_backend_torrent_finalized(gpointer gdata, GObject *tor);
GType
tr_backend_get_type(void) {
static GType type = 0;
if(0 == type) {
static const GTypeInfo info = {
sizeof (TrBackendClass),
NULL, /* base_init */
NULL, /* base_finalize */
tr_backend_class_init, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (TrBackend),
0, /* n_preallocs */
tr_backend_init, /* instance_init */
NULL,
};
type = g_type_register_static(G_TYPE_OBJECT, "TrBackendType", &info, 0);
}
return type;
}
static void
tr_backend_class_init(gpointer g_class, gpointer g_class_data SHUTUP) {
GObjectClass *gobject_class = G_OBJECT_CLASS(g_class);
//GParamSpec *pspec;
gobject_class->set_property = tr_backend_set_property;
gobject_class->get_property = tr_backend_get_property;
gobject_class->dispose = tr_backend_dispose;
gobject_class->finalize = tr_backend_finalize;
/*
pspec = g_param_spec_pointer("backend-handle", _("Backend handle"),
_("Backend handle from libtransmission"),
G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_BACKEND_HANDLE, pspec);
*/
}
static void
tr_backend_init(GTypeInstance *instance, gpointer g_class SHUTUP) {
TrBackend *self = (TrBackend *)instance;
self->handle = tr_init( "gtk" );
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self->disposed = FALSE;
}
static void
tr_backend_set_property(GObject *object, guint property_id,
const GValue *value SHUTUP, GParamSpec *pspec) {
TrBackend *self = (TrBackend*)object;
if(self->disposed)
return;
switch(property_id) {
/*
case TR_BACKEND_HANDLE:
g_assert(NULL == self->handle);
self->handle = g_value_get_pointer(value);
break;
*/
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void
tr_backend_get_property(GObject *object, guint property_id,
GValue *value SHUTUP, GParamSpec *pspec) {
TrBackend *self = (TrBackend*)object;
if(self->disposed)
return;
switch(property_id) {
/*
case TR_BACKEND_HANDLE:
g_value_set_pointer(value, self->handle);
break;
*/
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void
tr_backend_dispose(GObject *obj) {
GObjectClass *parent = g_type_class_peek(g_type_parent(TR_BACKEND_TYPE));
TrBackend *self = (TrBackend*)obj;
GList *ii;
if(self->disposed)
return;
self->disposed = TRUE;
if(NULL != self->torrents) {
for(ii = self->torrents; NULL != ii; ii = ii->next)
g_object_weak_unref(ii->data, tr_backend_torrent_finalized, self);
g_list_free(self->torrents);
self->torrents = NULL;
}
/* Chain up to the parent class */
parent->dispose(obj);
}
static void
tr_backend_finalize(GObject *obj) {
GObjectClass *parent = g_type_class_peek(g_type_parent(TR_BACKEND_TYPE));
TrBackend *self = (TrBackend *)obj;
if(NULL != self->handle)
tr_close(self->handle);
/* Chain up to the parent class */
parent->finalize(obj);
}
TrBackend *
tr_backend_new(void) {
return g_object_new(TR_BACKEND_TYPE, NULL);
}
tr_handle_t *
tr_backend_handle(TrBackend *back) {
TR_IS_BACKEND(back);
return back->handle;
}
void
tr_backend_save_state(TrBackend *back, char **errstr) {
benc_val_t state;
GList *ii;
TR_IS_BACKEND(back);
bzero(&state, sizeof(state));
state.type = TYPE_LIST;
state.val.l.alloc = g_list_length(back->torrents);
state.val.l.vals = g_new0(benc_val_t, state.val.l.alloc);
for(ii = back->torrents; NULL != ii; ii = ii->next) {
tr_torrent_get_state(ii->data, state.val.l.vals + state.val.l.count);
if(0 != state.val.l.vals[state.val.l.count].type)
state.val.l.count++;
}
cf_savestate(&state, errstr);
tr_bencFree(&state);
for(ii = back->torrents; NULL != ii; ii = ii->next)
tr_torrent_state_saved(ii->data);
}
GList *
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tr_backend_load_state( TrBackend * back, benc_val_t * state,
guint flags, GList ** errors )
{
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GList *ret = NULL;
int ii;
TrTorrent *tor;
char *errstr;
TR_IS_BACKEND(back);
if(TYPE_LIST != state->type)
return NULL;
for(ii = 0; ii < state->val.l.count; ii++) {
errstr = NULL;
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tor = tr_torrent_new_with_state( G_OBJECT( back ), state->val.l.vals + ii,
flags, &errstr );
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if(NULL != errstr)
*errors = g_list_append(*errors, errstr);
if(NULL != tor)
ret = g_list_append(ret, tor);
}
return ret;
}
void
tr_backend_add_torrent(TrBackend *back, GObject *tor) {
TR_IS_BACKEND(back);
TR_IS_TORRENT(tor);
g_object_weak_ref(tor, tr_backend_torrent_finalized, back);
back->torrents = g_list_append(back->torrents, tor);
}
static void
tr_backend_torrent_finalized(gpointer gdata, GObject *tor) {
TrBackend *back = gdata;
TR_IS_BACKEND(back);
back->torrents = g_list_remove(back->torrents, tor);
}
void
tr_backend_stop_torrents(TrBackend *back) {
GList *ii;
TR_IS_BACKEND(back);
for(ii = back->torrents; NULL != ii; ii = ii->next)
tr_torrent_stop_politely(ii->data);
}
gboolean
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tr_backend_torrents_stopped( TrBackend * back, gboolean timeout )
{
GList * ii, * list;
tr_stat_t * st;
gboolean ret;
TR_IS_BACKEND( back );
ret = TRUE;
list = g_list_copy( back->torrents );
for( ii = list; NULL != ii; ii = ii->next )
{
st = tr_torrent_stat_polite( ii->data, timeout );
if( NULL == st || !( TR_STATUS_PAUSE & st->status ) )
{
ret = FALSE;
}
}
g_list_free( list );
return ret;
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}