transmission/gtk/tr_core.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 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 <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <libtransmission/bencode.h>
#include <libtransmission/transmission.h>
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#include <libtransmission/utils.h>
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#include "conf.h"
#include "tr_core.h"
#include "tr_prefs.h"
#include "tr_torrent.h"
#include "util.h"
static void
tr_core_init( GTypeInstance * instance, gpointer g_class );
static void
tr_core_class_init( gpointer g_class, gpointer g_class_data );
static void
tr_core_marshal_err( GClosure * closure, GValue * ret, guint count,
const GValue * vals, gpointer hint, gpointer marshal );
void
tr_core_marshal_prompt( GClosure * closure, GValue * ret, guint count,
const GValue * vals, gpointer hint, gpointer marshal );
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void
tr_core_marshal_data( GClosure * closure, GValue * ret, guint count,
const GValue * vals, gpointer hint, gpointer marshal );
static void
tr_core_dispose( GObject * obj );
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static void
tr_core_insert( TrCore * self, TrTorrent * tor );
static void
tr_core_errsig( TrCore * self, enum tr_core_err type, const char * msg );
GType
tr_core_get_type( void )
{
static GType type = 0;
if( 0 == type )
{
static const GTypeInfo info =
{
sizeof( TrCoreClass ),
NULL, /* base_init */
NULL, /* base_finalize */
tr_core_class_init, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof( TrCore ),
0, /* n_preallocs */
tr_core_init, /* instance_init */
NULL,
};
type = g_type_register_static( G_TYPE_OBJECT, "TrCore", &info, 0 );
}
return type;
}
void
tr_core_class_init( gpointer g_class, gpointer g_class_data SHUTUP )
{
GObjectClass * gobject_class;
TrCoreClass * core_class;
gobject_class = G_OBJECT_CLASS( g_class );
gobject_class->dispose = tr_core_dispose;
core_class = TR_CORE_CLASS( g_class );
core_class->errsig = g_signal_new( "error", G_TYPE_FROM_CLASS( g_class ),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
tr_core_marshal_err, G_TYPE_NONE,
2, G_TYPE_INT, G_TYPE_STRING );
core_class->promptsig = g_signal_new( "directory-prompt",
G_TYPE_FROM_CLASS( g_class ),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
tr_core_marshal_prompt, G_TYPE_NONE,
3, G_TYPE_POINTER, G_TYPE_INT,
G_TYPE_BOOLEAN );
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core_class->promptdatasig = g_signal_new( "directory-prompt-data",
G_TYPE_FROM_CLASS( g_class ),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
tr_core_marshal_data,
G_TYPE_NONE, 3, G_TYPE_STRING,
G_TYPE_UINT, G_TYPE_BOOLEAN );
core_class->quitsig = g_signal_new( "quit", G_TYPE_FROM_CLASS( g_class ),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0 );
core_class->prefsig = g_signal_new( "prefs-changed",
G_TYPE_FROM_CLASS( g_class ),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1, G_TYPE_INT );
}
void
tr_core_marshal_err( GClosure * closure, GValue * ret SHUTUP, guint count,
const GValue * vals, gpointer hint SHUTUP,
gpointer marshal )
{
typedef void (*TRMarshalErr)
( gpointer, enum tr_core_err, const char *, gpointer );
TRMarshalErr callback;
GCClosure * cclosure = (GCClosure*) closure;
enum tr_core_err errcode;
const char * errstr;
gpointer inst, gdata;
g_return_if_fail( 3 == count );
inst = g_value_peek_pointer( vals );
errcode = g_value_get_int( vals + 1 );
errstr = g_value_get_string( vals + 2 );
gdata = closure->data;
callback = (TRMarshalErr) ( NULL == marshal ?
cclosure->callback : marshal );
callback( inst, errcode, errstr, gdata );
}
void
tr_core_marshal_prompt( GClosure * closure, GValue * ret SHUTUP, guint count,
const GValue * vals, gpointer hint SHUTUP,
gpointer marshal )
{
typedef void (*TRMarshalPrompt)
( gpointer, GList *, enum tr_torrent_action, gboolean, gpointer );
TRMarshalPrompt callback;
GCClosure * cclosure = (GCClosure*) closure;
GList * paths;
enum tr_torrent_action action;
gboolean paused;
gpointer inst, gdata;
g_return_if_fail( 4 == count );
inst = g_value_peek_pointer( vals );
paths = g_value_get_pointer( vals + 1 );
action = g_value_get_int( vals + 2 );
paused = g_value_get_boolean( vals + 3 );
gdata = closure->data;
callback = (TRMarshalPrompt) ( NULL == marshal ?
cclosure->callback : marshal );
callback( inst, paths, action, paused, gdata );
}
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void
tr_core_marshal_data( GClosure * closure, GValue * ret SHUTUP, guint count,
const GValue * vals, gpointer hint SHUTUP,
gpointer marshal )
{
typedef void (*TRMarshalPrompt)
( gpointer, uint8_t *, size_t, gboolean, gpointer );
TRMarshalPrompt callback;
GCClosure * cclosure = (GCClosure*) closure;
uint8_t * data;
size_t size;
gboolean paused;
gpointer inst, gdata;
g_return_if_fail( 4 == count );
inst = g_value_peek_pointer( vals );
data = (uint8_t *) g_value_get_string( vals + 1 );
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size = g_value_get_uint( vals + 2 );
paused = g_value_get_boolean( vals + 3 );
gdata = closure->data;
callback = (TRMarshalPrompt) ( NULL == marshal ?
cclosure->callback : marshal );
callback( inst, data, size, paused, gdata );
}
void
tr_core_init( GTypeInstance * instance, gpointer g_class SHUTUP )
{
TrCore * self = (TrCore *) instance;
GtkListStore * store;
/* column types for the model used to store torrent information */
/* keep this in sync with the enum near the bottom of tr_core.h */
GType types[] =
{
/* info->name, info->totalSize, info->hashString, status, */
G_TYPE_STRING, G_TYPE_UINT64, G_TYPE_STRING, G_TYPE_INT,
/* error, errorString, percentComplete, percentDone, rateDownload, rateUpload, */
G_TYPE_INT, G_TYPE_STRING, G_TYPE_FLOAT, G_TYPE_FLOAT, G_TYPE_FLOAT, G_TYPE_FLOAT,
/* eta, peersConnected, peersUploading, peersDownloading, seeders, */
G_TYPE_INT, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT,
/* leechers, completedFromTracker, downloaded, uploaded */
G_TYPE_INT, G_TYPE_INT, G_TYPE_UINT64, G_TYPE_UINT64,
/* left, tracker, TrTorrent object, ID for IPC */
G_TYPE_UINT64, TR_TRACKER_BOXED_TYPE, TR_TORRENT_TYPE, G_TYPE_INT,
};
#ifdef REFDBG
fprintf( stderr, "core %p init\n", self );
#endif
/* create the model used to store torrent data */
g_assert( ALEN( types ) == MC_ROW_COUNT );
store = gtk_list_store_newv( MC_ROW_COUNT, types );
self->model = GTK_TREE_MODEL( store );
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self->handle = tr_init( "gtk" );
self->nextid = 1;
self->quitting = FALSE;
self->disposed = FALSE;
}
void
tr_core_dispose( GObject * obj )
{
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TrCore * self = (TrCore *) obj;
GObjectClass * parent;
GtkTreeIter iter;
TrTorrent * tor;
if( self->disposed )
{
return;
}
self->disposed = TRUE;
#ifdef REFDBG
fprintf( stderr, "core %p dispose\n", self );
#endif
/* sever all remaining torrents in the model */
if( gtk_tree_model_get_iter_first( self->model, &iter ) ) do
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{
gtk_tree_model_get( self->model, &iter, MC_TORRENT, &tor, -1 );
tr_torrent_sever( tor );
g_object_unref( tor );
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}
while( gtk_tree_model_iter_next( self->model, &iter ) );
g_object_unref( self->model );
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#ifdef REFDBG
fprintf( stderr, "core %p dead\n", self );
#endif
/* close the libtransmission instance */
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tr_close( self->handle );
/* Chain up to the parent class */
parent = g_type_class_peek( g_type_parent( TR_CORE_TYPE ) );
parent->dispose( obj );
}
TrCore *
tr_core_new( void )
{
return g_object_new( TR_CORE_TYPE, NULL );
}
GtkTreeModel *
tr_core_model( TrCore * self )
{
g_return_val_if_fail (TR_IS_CORE(self), NULL);
return self->disposed ? NULL : self->model;
}
tr_handle_t *
tr_core_handle( TrCore * self )
{
g_return_val_if_fail (TR_IS_CORE(self), NULL);
return self->disposed ? NULL : self->handle;
}
void
tr_core_shutdown( TrCore * self )
{
GtkTreeIter iter;
TR_IS_CORE( self );
if( self->disposed )
return;
g_assert( !self->quitting );
self->quitting = TRUE;
/* try to stop all the torrents nicely */
if ( gtk_tree_model_get_iter_first( self->model, &iter) ) do {
TrTorrent * tor;
gtk_tree_model_get( self->model, &iter, MC_TORRENT, &tor, -1 );
tr_torrent_sever( tor );
g_object_unref( tor );
} while( gtk_list_store_remove( GTK_LIST_STORE(self->model), &iter ) );
/* shut down nat traversal */
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tr_natTraversalEnable( self->handle, 0 );
}
gboolean
tr_core_quiescent( TrCore * self )
{
const tr_handle_status_t * hstat;
TR_IS_CORE( self );
g_assert( self->quitting );
if( self->disposed )
return TRUE;
if ( tr_torrentCount( self->handle ) != 0 )
return FALSE;
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hstat = tr_handleStatus( self->handle );
return TR_NAT_TRAVERSAL_DISABLED == hstat->natTraversalStatus;
}
void
tr_core_save( TrCore * self )
{
benc_val_t state;
int count;
GtkTreeIter iter;
TrTorrent * tor;
char * errstr;
GList * saved, * ii;
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TR_IS_CORE( self );
count = gtk_tree_model_iter_n_children( self->model, NULL );
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tr_bencInit( &state, TYPE_LIST );
if( tr_bencListReserve( &state, count ) )
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{
tr_core_errsig( self, TR_CORE_ERR_SAVE_STATE, "malloc failure" );
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return;
}
saved = NULL;
if( gtk_tree_model_get_iter_first( self->model, &iter) ) do
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{
benc_val_t * item = tr_bencListAdd( &state );
gtk_tree_model_get( self->model, &iter, MC_TORRENT, &tor, -1 );
if( tr_torrent_get_state( tor, item ) )
{
saved = g_list_append( saved, tor );
}
else
{
tr_bencFree( item );
tr_bencInitStr( item, NULL, 0, 1 );
}
g_object_unref( tor );
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}
while( gtk_tree_model_iter_next( self->model, &iter ) );
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errstr = NULL;
cf_savestate( &state, &errstr );
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tr_bencFree( &state );
if( NULL != errstr )
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{
tr_core_errsig( self, TR_CORE_ERR_SAVE_STATE, errstr );
g_free( errstr );
}
else
{
for( ii = saved; NULL != ii; ii = ii->next )
{
tr_torrent_state_saved( ii->data );
}
}
g_list_free( saved );
}
int
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tr_core_load( TrCore * self, gboolean forcepaused )
{
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int i;
int flags;
int count = 0;
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tr_torrent_t ** torrents;
const char * destination;
TR_IS_CORE( self );
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destination = getdownloaddir( );
flags = 0;
if( forcepaused )
flags |= TR_FLAG_PAUSED;
torrents = tr_loadTorrents ( self->handle, destination, flags, &count );
for( i=0; i<count; ++i )
tr_core_insert( self, tr_torrent_new_preexisting( torrents[i] ) );
tr_free( torrents );
return count;
}
gboolean
tr_core_add( TrCore * self, const char * path, enum tr_torrent_action act,
gboolean paused )
{
GList * list;
int ret;
TR_IS_CORE( self );
list = g_list_append( NULL, (void *) path );
ret = tr_core_add_list( self, list, act, paused );
g_list_free( list );
return 1 == ret;
}
gboolean
tr_core_add_dir( TrCore * self, const char * path, const char * dir,
enum tr_torrent_action act, gboolean paused )
{
TrTorrent * tor;
char * errstr;
TR_IS_CORE( self );
errstr = NULL;
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tor = tr_torrent_new( self->handle, path, dir, act, paused, &errstr );
if( NULL == tor )
{
tr_core_errsig( self, TR_CORE_ERR_ADD_TORRENT, errstr );
g_free( errstr );
return FALSE;
}
g_assert( NULL == errstr );
tr_core_insert( self, tor );
return TRUE;
}
int
tr_core_add_list( TrCore * self, GList * paths, enum tr_torrent_action act,
gboolean paused )
{
const char * pref = tr_prefs_get( PREF_ID_ASKDIR );
TrCoreClass * class;
int count;
TR_IS_CORE( self );
if( strbool( pref ) )
{
class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->promptsig, 0, paths, act, paused );
return 0;
}
pref = getdownloaddir();
count = 0;
for( ; paths; paths=paths->next )
if( tr_core_add_dir( self, paths->data, pref, act, paused ) )
count++;
return count;
}
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gboolean
tr_core_add_data( TrCore * self, uint8_t * data, size_t size, gboolean paused )
{
const char * pref = tr_prefs_get( PREF_ID_ASKDIR );
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TR_IS_CORE( self );
if( strbool( pref ) )
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{
TrCoreClass * class = g_type_class_peek( TR_CORE_TYPE );
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g_signal_emit( self, class->promptdatasig, 0, data, size, paused );
return FALSE;
}
return tr_core_add_data_dir( self, data, size, getdownloaddir(), paused );
}
gboolean
tr_core_add_data_dir( TrCore * self, uint8_t * data, size_t size,
const char * dir, gboolean paused )
{
TrTorrent * tor;
char * errstr = NULL;
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TR_IS_CORE( self );
tor = tr_torrent_new_with_data( self->handle, data, size, dir,
paused, &errstr );
if( NULL == tor )
{
tr_core_errsig( self, TR_CORE_ERR_ADD_TORRENT, errstr );
g_free( errstr );
return FALSE;
}
g_assert( NULL == errstr );
tr_core_insert( self, tor );
return TRUE;
}
void
tr_core_torrents_added( TrCore * self )
{
TR_IS_CORE( self );
tr_core_update( self );
tr_core_save( self );
tr_core_errsig( self, TR_CORE_ERR_NO_MORE_TORRENTS, NULL );
}
void
tr_core_delete_torrent( TrCore * self, GtkTreeIter * iter )
{
TrTorrent * tor;
TR_IS_CORE( self );
gtk_tree_model_get( self->model, iter, MC_TORRENT, &tor, -1 );
gtk_list_store_remove( GTK_LIST_STORE( self->model ), iter );
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tr_torrentRemoveSaved( tr_torrent_handle( tor ) );
tr_torrent_sever( tor );
}
void
tr_core_insert( TrCore * self, TrTorrent * tor )
{
GtkTreeIter iter;
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const tr_info_t * inf;
gtk_list_store_append( GTK_LIST_STORE( self->model ), &iter );
inf = tr_torrent_info( tor );
gtk_list_store_set( GTK_LIST_STORE( self->model ), &iter,
MC_NAME, inf->name,
MC_SIZE, inf->totalSize,
MC_HASH, inf->hashString,
MC_TORRENT, tor,
MC_ID, self->nextid,
-1);
g_object_unref( tor );
self->nextid++;
}
void
tr_core_update( TrCore * self )
{
GtkTreeIter iter;
TrTorrent * tor;
const tr_stat_t * st;
TR_IS_CORE( self );
if( gtk_tree_model_get_iter_first( self->model, &iter ) ) do
{
gtk_tree_model_get( self->model, &iter, MC_TORRENT, &tor, -1 );
st = tr_torrent_stat( tor );
g_object_unref( tor );
tr_torrent_check_seeding_cap ( tor );
/* XXX find out if setting the same data emits changed signal */
gtk_list_store_set( GTK_LIST_STORE( self->model ), &iter,
MC_STAT, st->status,
MC_ERR, st->error,
MC_TERR, st->errorString,
MC_PROG_C, st->percentComplete,
MC_PROG_D, st->percentDone,
MC_DRATE, st->rateDownload,
MC_URATE, st->rateUpload,
MC_ETA, st->eta,
MC_PEERS, st->peersConnected,
MC_UPEERS, st->peersGettingFromUs,
MC_DPEERS, st->peersSendingToUs,
MC_SEED, st->seeders,
MC_LEECH, st->leechers,
MC_DONE, st->completedFromTracker,
MC_TRACKER, st->tracker,
MC_DOWN, st->downloaded,
MC_UP, st->uploaded,
MC_LEFT, st->left,
-1 );
}
while( gtk_tree_model_iter_next( self->model, &iter ) );
}
void
tr_core_errsig( TrCore * self, enum tr_core_err type, const char * msg )
{
TrCoreClass * class;
class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->errsig, 0, type, msg );
}
void
tr_core_quit( TrCore * self )
{
TrCoreClass * class;
TR_IS_CORE( self );
class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->quitsig, 0 );
}
void
tr_core_set_pref( TrCore * self, int id, const char * val )
{
const char * name, * old;
char * errstr;
TrCoreClass * class;
TR_IS_CORE( self );
/* don't change anything if the new value is the same as the old one */
name = tr_prefs_name( id );
old = cf_getpref( name );
if( !tr_strcmp( old, val ) )
return;
cf_setpref( name, val );
/* write prefs to disk */
cf_saveprefs( &errstr );
if( NULL != errstr )
{
tr_core_errsig( self, TR_CORE_ERR_SAVE_STATE, errstr );
g_free( errstr );
}
/* signal a pref change */
class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->prefsig, 0, id );
}
void
tr_core_set_pref_bool( TrCore * self, int id, gboolean val )
{
tr_core_set_pref( self, id, ( val ? "yes" : "no" ) );
}
void
tr_core_set_pref_int( TrCore * self, int id, int val )
{
char buf[32];
g_snprintf( buf, sizeof buf, "%i", val );
tr_core_set_pref( self, id, buf );
}