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transmission/gtk/tr_torrent.c

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#include <string.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#define TR_WANT_BACKEND_PRIVATE
#include "transmission.h"
#include "bencode.h"
#include "tr_backend.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);
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, "TrTorrentType", &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_BACKEND_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);
}
static void
tr_torrent_init(GTypeInstance *instance, gpointer g_class SHUTUP) {
TrTorrent *self = (TrTorrent *)instance;
self->handle = NULL;
self->back = NULL;
self->dir = 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->back);
self->back = 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->back);
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_backend_handle(TR_BACKEND(self->back)), self->handle);
self->handle = NULL;
}
if(NULL != self->back) {
g_object_unref(self->back);
self->back = NULL;
}
/* 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 *backend, const char *torrent, const char *dir,
gboolean *paused, char **err) {
TrTorrent *ret;
tr_torrent_t *handle;
int errcode;
TR_IS_BACKEND(backend);
g_assert(NULL != dir);
*err = NULL;
errcode = -1;
handle = tr_torrentInit(tr_backend_handle(TR_BACKEND(backend)),
torrent, &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 = g_object_new(TR_TORRENT_TYPE, "torrent-handle", handle,
"backend", backend, "download-directory", dir, NULL);
tr_backend_add_torrent(TR_BACKEND(backend), G_OBJECT(ret));
g_object_set(ret, "paused", (NULL == paused ? FALSE : *paused), NULL);
return ret;
}
TrTorrent *
tr_torrent_new_with_state(GObject *backend, benc_val_t *state, char **err) {
int ii;
benc_val_t *name, *data;
char *torrent, *dir;
gboolean hadpaused, paused;
*err = NULL;
if(TYPE_DICT != state->type)
return NULL;
torrent = dir = NULL;
hadpaused = FALSE;
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;
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 == dir)
return NULL;
return tr_torrent_new(backend, torrent, dir,
(hadpaused ? &paused : NULL), err);
}
void
tr_torrent_get_state(TrTorrent *tor, benc_val_t *state) {
tr_info_t *in = tr_torrentInfo(tor->handle);
const char *strs[] = {
"torrent", in->torrent, "dir", tr_torrentGetFolder(tor->handle), "paused",
};
unsigned int ii;
const unsigned int len = 6;
TR_IS_TORRENT(tor);
if(tor->disposed)
return;
state->type = TYPE_DICT;
state->val.l.vals = g_new0(benc_val_t, len);
state->val.l.alloc = state->val.l.count = len;
g_assert(len > ALEN(strs));
for(ii = 0; ii < ALEN(strs); ii++) {
state->val.l.vals[ii].type = TYPE_STR;
state->val.l.vals[ii].val.s.s = g_strdup(strs[ii]);
state->val.l.vals[ii].val.s.i = strlen(strs[ii]);
}
state->val.l.vals[ii].type = TYPE_INT;
state->val.l.vals[ii].val.i = tr_torrent_paused(tor);
ii++;
g_assert(len == ii);
}
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);
}
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