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transmission/gtk/tr-core.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2007-2008 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> /* strcmp, strlen */
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h> /* tr_free */
#include "conf.h"
#include "tr-core.h"
#include "tr-prefs.h"
#include "tr-torrent.h"
#include "util.h"
struct TrCorePrivate
{
GtkTreeModel * model;
tr_handle * handle;
int nextid;
struct core_stats stats;
};
static void
tr_core_marshal_err( GClosure * closure, GValue * ret UNUSED,
guint count, const GValue * vals,
gpointer hint UNUSED, 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( count == 3 );
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)( marshal ? marshal : cclosure->callback );
callback( inst, errcode, errstr, gdata );
}
static void
tr_core_marshal_prompt( GClosure * closure, GValue * ret UNUSED,
guint count, const GValue * vals,
gpointer hint UNUSED, gpointer marshal )
{
typedef void (*TRMarshalPrompt)( gpointer, GList *, gpointer, gpointer );
TRMarshalPrompt callback;
GCClosure * cclosure = (GCClosure*) closure;
GList * paths;
gpointer ctor;
gpointer inst, gdata;
g_return_if_fail( count == 3 );
inst = g_value_peek_pointer( vals );
paths = g_value_peek_pointer( vals + 1 );
ctor = g_value_peek_pointer( vals + 2 );
gdata = closure->data;
callback = (TRMarshalPrompt)( marshal ? marshal : cclosure->callback );
callback( inst, paths, ctor, gdata );
}
static int
isDisposed( const TrCore * core )
{
return !core || !core->priv;
}
static void
tr_core_dispose( GObject * obj )
{
TrCore * core = TR_CORE( obj );
if( !isDisposed( core ) )
{
GObjectClass * parent;
pref_save( NULL );
core->priv = NULL;
parent = g_type_class_peek( g_type_parent( TR_CORE_TYPE ) );
parent->dispose( obj );
}
}
static void
tr_core_class_init( gpointer g_class, gpointer g_class_data UNUSED )
{
GObjectClass * gobject_class;
TrCoreClass * core_class;
g_type_class_add_private( g_class, sizeof(struct TrCorePrivate) );
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( "destination-prompt",
G_TYPE_FROM_CLASS( g_class ),
G_SIGNAL_RUN_LAST, 0, NULL, NULL,
tr_core_marshal_prompt, G_TYPE_NONE,
2, G_TYPE_POINTER, G_TYPE_POINTER );
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__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING );
}
/***
**** SORTING
***/
static int
compareDouble( double a, double b )
{
if( a < b ) return -1;
if( a > b ) return 1;
return 0;
}
static int
compareByActivity( GtkTreeModel * model,
GtkTreeIter * a,
GtkTreeIter * b,
gpointer user_data UNUSED )
{
int i;
tr_torrent *ta, *tb;
const tr_stat *sa, *sb;
gtk_tree_model_get( model, a, MC_TORRENT_RAW, &ta, -1 );
gtk_tree_model_get( model, b, MC_TORRENT_RAW, &tb, -1 );
sa = tr_torrentStatCached( ta );
sb = tr_torrentStatCached( tb );
if(( i = compareDouble( sa->rateUpload + sa->rateDownload,
sb->rateUpload + sb->rateDownload ) ))
return i;
if( sa->uploadedEver != sb->uploadedEver )
return sa->uploadedEver < sa->uploadedEver ? -1 : 1;
return 0;
}
static int
compareByName( GtkTreeModel * model,
GtkTreeIter * a,
GtkTreeIter * b,
gpointer user_data UNUSED )
{
int ret;
char *ca, *cb;
gtk_tree_model_get( model, a, MC_NAME_COLLATED, &ca, -1 );
gtk_tree_model_get( model, b, MC_NAME_COLLATED, &cb, -1 );
ret = strcmp( ca, cb );
g_free( cb );
g_free( ca );
return ret;
}
static int
compareByProgress( GtkTreeModel * model,
GtkTreeIter * a,
GtkTreeIter * b,
gpointer user_data UNUSED )
{
int ret;
tr_torrent *ta, *tb;
const tr_stat *sa, *sb;
gtk_tree_model_get( model, a, MC_TORRENT_RAW, &ta, -1 );
gtk_tree_model_get( model, b, MC_TORRENT_RAW, &tb, -1 );
sa = tr_torrentStatCached( ta );
sb = tr_torrentStatCached( tb );
ret = compareDouble( sa->percentDone, sb->percentDone );
if( !ret )
ret = compareDouble( sa->ratio, sb->ratio );
return ret;
}
static int
compareByState( GtkTreeModel * model,
GtkTreeIter * a,
GtkTreeIter * b,
gpointer user_data )
{
int sa, sb, ret;
/* first by state */
gtk_tree_model_get( model, a, MC_STATUS, &sa, -1 );
gtk_tree_model_get( model, b, MC_STATUS, &sb, -1 );
ret = sa - sb;
/* second by progress */
if( !ret )
ret = compareByProgress( model, a, b, user_data );
return ret;
}
static int
compareByTracker( GtkTreeModel * model,
GtkTreeIter * a,
GtkTreeIter * b,
gpointer user_data UNUSED )
{
const tr_torrent *ta, *tb;
gtk_tree_model_get( model, a, MC_TORRENT_RAW, &ta, -1 );
gtk_tree_model_get( model, b, MC_TORRENT_RAW, &tb, -1 );
return strcmp( tr_torrentInfo(ta)->primaryAddress,
tr_torrentInfo(tb)->primaryAddress );
}
static void
setSort( TrCore * core, const char * mode, gboolean isReversed )
{
int col = MC_TORRENT_RAW;
GtkSortType type = isReversed ? GTK_SORT_ASCENDING : GTK_SORT_DESCENDING;
GtkTreeModel * model = tr_core_model( core );
GtkTreeSortable * sortable = GTK_TREE_SORTABLE( model );
if( !strcmp( mode, "sort-by-activity" ) )
gtk_tree_sortable_set_sort_func( sortable, col, compareByActivity, NULL, NULL );
else if( !strcmp( mode, "sort-by-progress" ) )
gtk_tree_sortable_set_sort_func( sortable, col, compareByProgress, NULL, NULL );
else if( !strcmp( mode, "sort-by-state" ) )
gtk_tree_sortable_set_sort_func( sortable, col, compareByState, NULL, NULL );
else if( !strcmp( mode, "sort-by-tracker" ) )
gtk_tree_sortable_set_sort_func( sortable, col, compareByTracker, NULL, NULL );
else {
type = isReversed ? GTK_SORT_DESCENDING : GTK_SORT_ASCENDING;
gtk_tree_sortable_set_sort_func( sortable, col, compareByName, NULL, NULL );
}
gtk_tree_sortable_set_sort_column_id( sortable, col, type );
}
static void
prefsChanged( TrCore * core, const char * key, gpointer data UNUSED )
{
if( !strcmp( key, PREF_KEY_SORT_MODE ) ||
!strcmp( key, PREF_KEY_SORT_REVERSED ) )
{
char * mode = pref_string_get( PREF_KEY_SORT_MODE );
gboolean isReversed = pref_flag_get( PREF_KEY_SORT_REVERSED );
setSort( core, mode, isReversed );
g_free( mode );
}
else if( !strcmp( key, PREF_KEY_MAX_PEERS_GLOBAL ) )
{
const uint16_t val = pref_int_get( key );
tr_setGlobalPeerLimit( tr_core_handle( core ), val );
}
}
static void
tr_core_init( GTypeInstance * instance, gpointer g_class UNUSED )
{
tr_handle * h;
TrCore * self = (TrCore *) instance;
GtkListStore * store;
struct TrCorePrivate * p;
/* 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[] = {
G_TYPE_STRING, /* name */
G_TYPE_STRING, /* collated name */
G_TYPE_STRING, /* hash string */
TR_TORRENT_TYPE, /* TrTorrent object */
G_TYPE_POINTER, /* tr_torrent* */
G_TYPE_INT, /* tr_stat()->status */
G_TYPE_INT /* ID for IPC */
};
p = self->priv = G_TYPE_INSTANCE_GET_PRIVATE( self,
TR_CORE_TYPE,
struct TrCorePrivate );
h = tr_initFull( "gtk",
pref_flag_get( PREF_KEY_PEX ),
pref_flag_get( PREF_KEY_NAT ),
pref_int_get( PREF_KEY_PORT ),
pref_flag_get( PREF_KEY_ENCRYPTED_ONLY )
? TR_ENCRYPTION_REQUIRED
: TR_ENCRYPTION_PREFERRED,
pref_flag_get( PREF_KEY_UL_LIMIT_ENABLED ),
pref_int_get( PREF_KEY_UL_LIMIT ),
pref_flag_get( PREF_KEY_DL_LIMIT_ENABLED ),
pref_int_get( PREF_KEY_DL_LIMIT ),
pref_int_get( PREF_KEY_MAX_PEERS_GLOBAL ),
pref_int_get( PREF_KEY_MSGLEVEL ),
TRUE /* message queueing */ );
/* create the model used to store torrent data */
g_assert( ALEN( types ) == MC_ROW_COUNT );
store = gtk_list_store_newv( MC_ROW_COUNT, types );
p->model = GTK_TREE_MODEL( store );
p->handle = h;
p->nextid = 1;
}
GType
tr_core_get_type( void )
{
static GType type = 0;
if( !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;
}
/**
***
**/
TrCore *
tr_core_new( void )
{
TrCore * core = TR_CORE( g_object_new( TR_CORE_TYPE, NULL ) );
/* init from prefs & listen to pref changes */
prefsChanged( core, PREF_KEY_SORT_MODE, NULL );
prefsChanged( core, PREF_KEY_SORT_REVERSED, NULL );
prefsChanged( core, PREF_KEY_MAX_PEERS_GLOBAL, NULL );
g_signal_connect( core, "prefs-changed", G_CALLBACK(prefsChanged), NULL );
return core;
}
GtkTreeModel *
tr_core_model( TrCore * core )
{
return isDisposed( core ) ? NULL : core->priv->model;
}
tr_handle *
tr_core_handle( TrCore * core )
{
return isDisposed( core ) ? NULL : core->priv->handle;
}
const struct core_stats*
tr_core_get_stats( const TrCore * core )
{
return isDisposed( core ) ? NULL : &core->priv->stats;
}
static char*
doCollate( const char * in )
{
const char * end = in + strlen( in );
char * casefold;
char * ret;
while( in < end ) {
const gunichar ch = g_utf8_get_char( in );
if (!g_unichar_isalnum (ch)) // eat everything before the first alnum
in += g_unichar_to_utf8( ch, NULL );
else
break;
}
if ( in == end )
return g_strdup ("");
casefold = g_utf8_casefold( in, end-in );
ret = g_utf8_collate_key( casefold, -1 );
g_free( casefold );
return ret;
}
void
tr_core_add_torrent( TrCore * self, TrTorrent * tor )
{
const tr_info * inf = tr_torrent_info( tor );
const tr_stat * torStat = tr_torrent_stat( tor );
char * collated = doCollate( inf->name );
GtkListStore * store = GTK_LIST_STORE( tr_core_model( self ) );
GtkTreeIter unused;
gtk_list_store_insert_with_values( store, &unused, 0,
MC_NAME, inf->name,
MC_NAME_COLLATED, collated,
MC_HASH, inf->hashString,
MC_TORRENT, tor,
MC_TORRENT_RAW, tr_torrent_handle( tor ),
MC_STATUS, torStat->status,
MC_ID, self->priv->nextid,
-1);
++self->priv->nextid;
/* cleanup */
g_object_unref( G_OBJECT( tor ) );
g_free( collated );
}
int
tr_core_load( TrCore * self, gboolean forcePaused )
{
int i;
int count = 0;
tr_torrent ** torrents;
char * path;
tr_ctor * ctor;
path = getdownloaddir( );
ctor = tr_ctorNew( tr_core_handle( self ) );
if( forcePaused )
tr_ctorSetPaused( ctor, TR_FORCE, TRUE );
tr_ctorSetDestination( ctor, TR_FALLBACK, path );
tr_ctorSetMaxConnectedPeers( ctor, TR_FALLBACK,
pref_int_get( PREF_KEY_MAX_PEERS_PER_TORRENT ) );
torrents = tr_loadTorrents ( tr_core_handle( self ), ctor, &count );
for( i=0; i<count; ++i )
tr_core_add_torrent( self, tr_torrent_new_preexisting( torrents[i] ) );
tr_free( torrents );
tr_ctorFree( ctor );
g_free( path );
return count;
}
static void
tr_core_errsig( TrCore * self, enum tr_core_err type, const char * msg )
{
TrCoreClass * class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->errsig, 0, type, msg );
}
static void
tr_core_apply_defaults( tr_ctor * ctor )
{
if( tr_ctorGetPaused( ctor, TR_FORCE, NULL ) )
tr_ctorSetPaused( ctor, TR_FORCE, !pref_flag_get( PREF_KEY_START ) );
if( tr_ctorGetDeleteSource( ctor, NULL ) )
tr_ctorSetDeleteSource( ctor,
pref_flag_get( PREF_KEY_DELETE_ORIGINAL ) );
if( tr_ctorGetMaxConnectedPeers( ctor, TR_FORCE, NULL ) )
tr_ctorSetMaxConnectedPeers( ctor, TR_FORCE,
pref_int_get( PREF_KEY_MAX_PEERS_PER_TORRENT ) );
if( tr_ctorGetDestination( ctor, TR_FORCE, NULL ) ) {
char * path = pref_string_get( PREF_KEY_DIR_DEFAULT );
tr_ctorSetDestination( ctor, TR_FORCE, path );
g_free( path );
}
}
void
tr_core_add_ctor( TrCore * self, tr_ctor * ctor )
{
TrTorrent * tor;
char * errstr = NULL;
tr_core_apply_defaults( ctor );
if(( tor = tr_torrent_new_ctor( tr_core_handle( self ), ctor, &errstr )))
tr_core_add_torrent( self, tor );
else{
tr_core_errsig( self, TR_CORE_ERR_ADD_TORRENT, errstr );
g_free( errstr );
}
}
void
tr_core_add_list( TrCore * self,
GList * paths,
tr_ctor * ctor )
{
tr_core_apply_defaults( ctor );
if( pref_flag_get( PREF_KEY_OPTIONS_PROMPT ) )
{
TrCoreClass * class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->promptsig, 0, paths, ctor );
}
else
{
for( ; paths; paths=paths->next )
if( !tr_ctorSetMetainfoFromFile( ctor, paths->data ) )
tr_core_add_ctor( self, ctor );
tr_ctorFree( ctor );
}
}
void
tr_core_torrents_added( TrCore * self )
{
tr_core_update( self );
tr_core_errsig( self, TR_CORE_ERR_NO_MORE_TORRENTS, NULL );
}
void
tr_core_delete_torrent( TrCore * self, GtkTreeIter * iter )
{
TrTorrent * tor;
GtkTreeModel * model = tr_core_model( self );
gtk_tree_model_get( model, iter, MC_TORRENT, &tor, -1 );
gtk_list_store_remove( GTK_LIST_STORE( model ), iter );
tr_torrentRemoveSaved( tr_torrent_handle( tor ) );
g_object_unref( G_OBJECT( tor ) );
}
static gboolean
findTorrentInModel( TrCore * core, const TrTorrent * gtor, GtkTreeIter * setme )
{
int match = 0;
GtkTreeIter iter;
GtkTreeModel * model = tr_core_model( core );
if( gtk_tree_model_iter_children( model, &iter, NULL ) ) do
{
TrTorrent * tmp;
gtk_tree_model_get( model, &iter, MC_TORRENT, &tmp, -1 );
match = tmp == gtor;
g_object_unref( G_OBJECT( tmp ) );
}
while( !match && gtk_tree_model_iter_next( model, &iter ) );
if( match )
*setme = iter;
return match;
}
void
tr_core_remove_torrent( TrCore * self, TrTorrent * gtor, int deleteFiles )
{
GtkTreeIter iter;
GtkTreeModel * model = tr_core_model( self );
/* remove from the gui */
if( findTorrentInModel( self, gtor, &iter ) )
gtk_list_store_remove( GTK_LIST_STORE( model ), &iter );
/* maybe delete the downloaded files */
if( deleteFiles )
tr_torrent_delete_files( gtor );
/* delete the torrent */
tr_torrent_set_delete_flag( gtor, TRUE );
g_object_unref( G_OBJECT( gtor ) );
}
/***
****
***/
static gboolean
update_foreach( GtkTreeModel * model,
GtkTreePath * path UNUSED,
GtkTreeIter * iter,
gpointer data )
{
TrTorrent * gtor;
int oldStatus;
const tr_stat * torStat;
struct core_stats * stats = data;
gtk_tree_model_get( model, iter, MC_TORRENT, &gtor,
MC_STATUS, &oldStatus,
-1 );
torStat = tr_torrent_stat( gtor );
/* sum the torrents' cumulative stats... */
if( torStat->status == TR_STATUS_DOWNLOAD )
++stats->downloadCount;
else if( torStat->status == TR_STATUS_SEED )
++stats->seedingCount;
stats->clientDownloadSpeed += torStat->rateDownload;
stats->clientUploadSpeed += torStat->rateUpload;
/* update the model's status if necessary */
if( oldStatus != (int) torStat->status )
gtk_list_store_set( GTK_LIST_STORE( model ), iter,
MC_STATUS, torStat->status,
-1 );
tr_torrent_check_seeding_cap ( gtor );
g_object_unref( gtor );
return FALSE;
}
void
tr_core_update( TrCore * self )
{
int column;
GtkSortType order;
GtkTreeSortable * sortable;
GtkTreeModel * model = tr_core_model( self );
/* pause sorting */
sortable = GTK_TREE_SORTABLE( model );
gtk_tree_sortable_get_sort_column_id( sortable, &column, &order );
gtk_tree_sortable_set_sort_column_id( sortable, GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, order );
/* refresh the model */
memset( &self->priv->stats, 0, sizeof( struct core_stats ) );
gtk_tree_model_foreach( model, update_foreach, &self->priv->stats );
/* resume sorting */
gtk_tree_sortable_set_sort_column_id( sortable, column, order );
}
void
tr_core_quit( TrCore * self )
{
TrCoreClass * class = g_type_class_peek( TR_CORE_TYPE );
g_signal_emit( self, class->quitsig, 0 );
}
/**
*** Prefs
**/
static void
commitPrefsChange( TrCore * self, const char * key )
{
TrCoreClass * class = g_type_class_peek( TR_CORE_TYPE );
pref_save( NULL );
g_signal_emit( self, class->prefsig, 0, key );
}
void
tr_core_set_pref( TrCore * self, const char * key, const char * newval )
{
char * oldval = pref_string_get( key );
if( tr_strcmp( oldval, newval ) )
{
pref_string_set( key, newval );
commitPrefsChange( self, key );
}
g_free( oldval );
}
void
tr_core_set_pref_bool( TrCore * self, const char * key, gboolean newval )
{
const gboolean oldval = pref_flag_get( key );
if( oldval != newval )
{
pref_flag_set( key, newval );
commitPrefsChange( self, key );
}
}
void
tr_core_set_pref_int( TrCore * self, const char * key, int newval )
{
const int oldval = pref_int_get( key );
if( oldval != newval )
{
pref_int_set( key, newval );
commitPrefsChange( self, key );
}
}
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