/****************************************************************************** * $Id$ * * Copyright (c) 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 /* pow () */ #include /* strcmp, strlen */ #include #include #include #include #include #include #include #include #include /* tr_free */ #include "actions.h" #include "conf.h" #include "notify.h" #include "tr-core.h" #include "tr-prefs.h" #include "util.h" /*** **** ***/ enum { ADD_ERROR_SIGNAL, ADD_PROMPT_SIGNAL, BLOCKLIST_SIGNAL, BUSY_SIGNAL, PORT_SIGNAL, PREFS_SIGNAL, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; static void core_maybe_inhibit_hibernation (TrCore * core); struct TrCorePrivate { GFileMonitor * monitor; gulong monitor_tag; GFile * monitor_dir; GSList * monitor_files; gulong monitor_idle_tag; gboolean adding_from_watch_dir; gboolean inhibit_allowed; gboolean have_inhibit_cookie; gboolean dbus_error; guint inhibit_cookie; gint busy_count; GtkTreeModel * raw_model; GtkTreeModel * sorted_model; tr_session * session; GStringChunk * string_chunk; }; static int core_is_disposed (const TrCore * core) { return !core || !core->priv->sorted_model; } G_DEFINE_TYPE (TrCore, tr_core, G_TYPE_OBJECT) static void core_dispose (GObject * o) { TrCore * core = TR_CORE (o); if (core->priv->sorted_model != NULL) { g_object_unref (core->priv->sorted_model); core->priv->sorted_model = NULL; core->priv->raw_model = NULL; } G_OBJECT_CLASS (tr_core_parent_class)->dispose (o); } static void core_finalize (GObject * o) { TrCore * core = TR_CORE (o); g_string_chunk_free (core->priv->string_chunk); G_OBJECT_CLASS (tr_core_parent_class)->finalize (o); } static void tr_core_class_init (TrCoreClass * core_class) { GObjectClass * gobject_class; GType core_type = G_TYPE_FROM_CLASS (core_class); g_type_class_add_private (core_class, sizeof (struct TrCorePrivate)); gobject_class = G_OBJECT_CLASS (core_class); gobject_class->dispose = core_dispose; gobject_class->finalize = core_finalize; signals[ADD_ERROR_SIGNAL] = g_signal_new ("add-error", core_type, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (TrCoreClass, add_error), NULL, NULL, g_cclosure_marshal_VOID__UINT_POINTER, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_POINTER); signals[ADD_PROMPT_SIGNAL] = g_signal_new ("add-prompt", core_type, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (TrCoreClass, add_prompt), NULL, NULL, g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER); signals[BUSY_SIGNAL] = g_signal_new ("busy", core_type, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (TrCoreClass, busy), NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, G_TYPE_NONE, 1, G_TYPE_BOOLEAN); signals[BLOCKLIST_SIGNAL] = g_signal_new ("blocklist-updated", core_type, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (TrCoreClass, blocklist_updated), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals[PORT_SIGNAL] = g_signal_new ("port-tested", core_type, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (TrCoreClass, port_tested), NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, G_TYPE_NONE, 1, G_TYPE_BOOLEAN); signals[PREFS_SIGNAL] = g_signal_new ("prefs-changed", core_type, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (TrCoreClass, prefs_changed), NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); } static void tr_core_init (TrCore * core) { 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_POINTER, /* collated name */ G_TYPE_POINTER, /* tr_torrent* */ G_TYPE_INT, /* torrent id */ G_TYPE_DOUBLE, /* tr_stat.pieceUploadSpeed_KBps */ G_TYPE_DOUBLE, /* tr_stat.pieceDownloadSpeed_KBps */ G_TYPE_DOUBLE, /* tr_stat.recheckProgress */ G_TYPE_BOOLEAN, /* filter.c:ACTIVITY_FILTER_ACTIVE */ G_TYPE_INT, /* tr_stat.activity */ G_TYPE_UCHAR, /* tr_stat.finished */ G_TYPE_CHAR, /* tr_priority_t */ G_TYPE_INT, /* tr_stat.queuePosition */ G_TYPE_UINT, /* build_torrent_trackers_hash () */ G_TYPE_INT, /* MC_ERROR */ G_TYPE_INT }; /* MC_ACTIVE_PEER_COUNT */ p = core->priv = G_TYPE_INSTANCE_GET_PRIVATE (core, TR_CORE_TYPE, struct TrCorePrivate); /* create the model used to store torrent data */ g_assert (G_N_ELEMENTS (types) == MC_ROW_COUNT); store = gtk_list_store_newv (MC_ROW_COUNT, types); p->raw_model = GTK_TREE_MODEL (store); p->sorted_model = gtk_tree_model_sort_new_with_model (p->raw_model); p->string_chunk = g_string_chunk_new (2048); g_object_unref (p->raw_model); } /*** **** EMIT SIGNALS ***/ static inline void core_emit_blocklist_udpated (TrCore * core, int ruleCount) { g_signal_emit (core, signals[BLOCKLIST_SIGNAL], 0, ruleCount); } static inline void core_emit_port_tested (TrCore * core, gboolean is_open) { g_signal_emit (core, signals[PORT_SIGNAL], 0, is_open); } static inline void core_emit_err (TrCore * core, enum tr_core_err type, const char * msg) { g_signal_emit (core, signals[ADD_ERROR_SIGNAL], 0, type, msg); } static inline void core_emit_busy (TrCore * core, gboolean is_busy) { g_signal_emit (core, signals[BUSY_SIGNAL], 0, is_busy); } void gtr_core_pref_changed (TrCore * core, const char * key) { g_signal_emit (core, signals[PREFS_SIGNAL], 0, key); } /*** **** ***/ static GtkTreeModel * core_raw_model (TrCore * core) { return core_is_disposed (core) ? NULL : core->priv->raw_model; } GtkTreeModel * gtr_core_model (TrCore * core) { return core_is_disposed (core) ? NULL : core->priv->sorted_model; } tr_session * gtr_core_session (TrCore * core) { return core_is_disposed (core) ? NULL : core->priv->session; } /*** **** BUSY ***/ static bool core_is_busy (TrCore * core) { return core->priv->busy_count > 0; } static void core_add_to_busy (TrCore * core, int addMe) { const bool wasBusy = core_is_busy (core); core->priv->busy_count += addMe; if (wasBusy != core_is_busy (core)) core_emit_busy (core, core_is_busy (core)); } static void core_inc_busy (TrCore * core) { core_add_to_busy (core, 1); } static void core_dec_busy (TrCore * core) { core_add_to_busy (core, -1); } /*** **** **** SORTING THE MODEL **** ***/ static gboolean is_valid_eta (int t) { return (t != TR_ETA_NOT_AVAIL) && (t != TR_ETA_UNKNOWN); } static int compare_eta (int a, int b) { int ret; const gboolean a_valid = is_valid_eta (a); const gboolean b_valid = is_valid_eta (b); if (!a_valid && !b_valid) ret = 0; else if (!a_valid) ret = -1; else if (!b_valid) ret = 1; else ret = a < b ? 1 : -1; return ret; } static int compare_double (double a, double b) { int ret; if (a < b) ret = -1; else if (a > b) ret = 1; else ret = 0; return ret; } static int compare_uint64 (uint64_t a, uint64_t b) { int ret; if (a < b) ret = -1; else if (a > b) ret = 1; else ret = 0; return ret; } static int compare_int (int a, int b) { int ret; if (a < b) ret = -1; else if (a > b) ret = 1; else ret = 0; return ret; } static int compare_ratio (double a, double b) { int ret; if ((int)a == TR_RATIO_INF && (int)b == TR_RATIO_INF) ret = 0; else if ((int)a == TR_RATIO_INF) ret = 1; else if ((int)b == TR_RATIO_INF) ret = -1; else ret = compare_double (a, b); return ret; } static int compare_time (time_t a, time_t b) { int ret; if (a < b) ret = -1; if (a > b) ret = 1; else ret = 0; return ret; } static int compare_by_name (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer user_data UNUSED) { const char *ca, *cb; gtk_tree_model_get (m, a, MC_NAME_COLLATED, &ca, -1); gtk_tree_model_get (m, b, MC_NAME_COLLATED, &cb, -1); return tr_strcmp0 (ca, cb); } static int compare_by_queue (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer user_data UNUSED) { tr_torrent *ta, *tb; const tr_stat *sa, *sb; gtk_tree_model_get (m, a, MC_TORRENT, &ta, -1); sa = tr_torrentStatCached (ta); gtk_tree_model_get (m, b, MC_TORRENT, &tb, -1); sb = tr_torrentStatCached (tb); return sb->queuePosition - sa->queuePosition; } static int compare_by_ratio (GtkTreeModel* m, GtkTreeIter * a, GtkTreeIter * b, gpointer user_data) { int ret = 0; tr_torrent *ta, *tb; const tr_stat *sa, *sb; gtk_tree_model_get (m, a, MC_TORRENT, &ta, -1); sa = tr_torrentStatCached (ta); gtk_tree_model_get (m, b, MC_TORRENT, &tb, -1); sb = tr_torrentStatCached (tb); if (!ret) ret = compare_ratio (sa->ratio, sb->ratio); if (!ret) ret = compare_by_queue (m, a, b, user_data); return ret; } static int compare_by_activity (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer user_data) { int ret = 0; tr_torrent *ta, *tb; const tr_stat *sa, *sb; double aUp, aDown, bUp, bDown; gtk_tree_model_get (m, a, MC_SPEED_UP, &aUp, MC_SPEED_DOWN, &aDown, MC_TORRENT, &ta, -1); gtk_tree_model_get (m, b, MC_SPEED_UP, &bUp, MC_SPEED_DOWN, &bDown, MC_TORRENT, &tb, -1); sa = tr_torrentStatCached (ta); sb = tr_torrentStatCached (tb); if (!ret) ret = compare_double (aUp+aDown, bUp+bDown); if (!ret) ret = compare_uint64 (sa->uploadedEver, sb->uploadedEver); if (!ret) ret = compare_by_queue (m, a, b, user_data); return ret; } static int compare_by_age (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer u) { int ret = 0; tr_torrent *ta, *tb; gtk_tree_model_get (m, a, MC_TORRENT, &ta, -1); gtk_tree_model_get (m, b, MC_TORRENT, &tb, -1); if (!ret) ret = compare_time (tr_torrentStatCached (ta)->addedDate, tr_torrentStatCached (tb)->addedDate); if (!ret) ret = compare_by_name (m, a, b, u); return ret; } static int compare_by_size (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer u) { int ret = 0; tr_torrent *t; const tr_info *ia, *ib; gtk_tree_model_get (m, a, MC_TORRENT, &t, -1); ia = tr_torrentInfo (t); gtk_tree_model_get (m, b, MC_TORRENT, &t, -1); ib = tr_torrentInfo (t); if (!ret) ret = compare_uint64 (ia->totalSize, ib->totalSize); if (!ret) ret = compare_by_name (m, a, b, u); return ret; } static int compare_by_progress (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer u) { int ret = 0; tr_torrent * t; const tr_stat *sa, *sb; gtk_tree_model_get (m, a, MC_TORRENT, &t, -1); sa = tr_torrentStatCached (t); gtk_tree_model_get (m, b, MC_TORRENT, &t, -1); sb = tr_torrentStatCached (t); if (!ret) ret = compare_double (sa->percentComplete, sb->percentComplete); if (!ret) ret = compare_double (sa->seedRatioPercentDone, sb->seedRatioPercentDone); if (!ret) ret = compare_by_ratio (m, a, b, u); return ret; } static int compare_by_eta (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer u) { int ret = 0; tr_torrent *ta, *tb; gtk_tree_model_get (m, a, MC_TORRENT, &ta, -1); gtk_tree_model_get (m, b, MC_TORRENT, &tb, -1); if (!ret) ret = compare_eta (tr_torrentStatCached (ta)->eta, tr_torrentStatCached (tb)->eta); if (!ret) ret = compare_by_name (m, a, b, u); return ret; } static int compare_by_state (GtkTreeModel * m, GtkTreeIter * a, GtkTreeIter * b, gpointer u) { int ret = 0; int sa, sb; tr_torrent *ta, *tb; gtk_tree_model_get (m, a, MC_ACTIVITY, &sa, MC_TORRENT, &ta, -1); gtk_tree_model_get (m, b, MC_ACTIVITY, &sb, MC_TORRENT, &tb, -1); if (!ret) ret = compare_int (sa, sb); if (!ret) ret = compare_by_queue (m, a, b, u); return ret; } static void core_set_sort_mode (TrCore * core, const char * mode, gboolean is_reversed) { const int col = MC_TORRENT; GtkTreeIterCompareFunc sort_func; GtkSortType type = is_reversed ? GTK_SORT_ASCENDING : GTK_SORT_DESCENDING; GtkTreeSortable * sortable = GTK_TREE_SORTABLE (gtr_core_model (core)); if (!strcmp (mode, "sort-by-activity")) sort_func = compare_by_activity; else if (!strcmp (mode, "sort-by-age")) sort_func = compare_by_age; else if (!strcmp (mode, "sort-by-progress")) sort_func = compare_by_progress; else if (!strcmp (mode, "sort-by-queue")) sort_func = compare_by_queue; else if (!strcmp (mode, "sort-by-time-left")) sort_func = compare_by_eta; else if (!strcmp (mode, "sort-by-ratio")) sort_func = compare_by_ratio; else if (!strcmp (mode, "sort-by-state")) sort_func = compare_by_state; else if (!strcmp (mode, "sort-by-size")) sort_func = compare_by_size; else { sort_func = compare_by_name; type = is_reversed ? GTK_SORT_DESCENDING : GTK_SORT_ASCENDING; } gtk_tree_sortable_set_sort_func (sortable, col, sort_func, NULL, NULL); gtk_tree_sortable_set_sort_column_id (sortable, col, type); } /*** **** **** WATCHDIR **** ***/ static time_t get_file_mtime (GFile * file) { time_t mtime; GFileInfo * info = g_file_query_info (file, G_FILE_ATTRIBUTE_TIME_MODIFIED, 0, NULL, NULL); mtime = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED); g_object_unref (G_OBJECT (info)); return mtime; } static void rename_torrent_and_unref_file (GFile * file) { GFileInfo * info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME, 0, NULL, NULL); const char * old_name = g_file_info_get_attribute_string (info, G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME); char * new_name = g_strdup_printf ("%s.added", old_name); GFile * new_file = g_file_set_display_name (file, new_name, NULL, NULL); g_object_unref (G_OBJECT (new_file)); g_free (new_name); g_object_unref (G_OBJECT (info)); g_object_unref (G_OBJECT (file)); } static gboolean core_watchdir_idle (gpointer gcore) { GSList * l; GSList * changing = NULL; GSList * unchanging = NULL; TrCore * core = TR_CORE (gcore); const time_t now = tr_time (); struct TrCorePrivate * p = core->priv; /* separate the files into two lists: changing and unchanging */ for (l=p->monitor_files; l!=NULL; l=l->next) { GFile * file = l->data; const time_t mtime = get_file_mtime (file); if (mtime + 2 >= now) changing = g_slist_prepend (changing, file); else unchanging = g_slist_prepend (unchanging, file); } /* add the files that have stopped changing */ if (unchanging != NULL) { const gboolean do_start = gtr_pref_flag_get (TR_PREFS_KEY_START); const gboolean do_prompt = gtr_pref_flag_get (PREF_KEY_OPTIONS_PROMPT); core->priv->adding_from_watch_dir = TRUE; gtr_core_add_files (core, unchanging, do_start, do_prompt, TRUE); g_slist_foreach (unchanging, (GFunc)rename_torrent_and_unref_file, NULL); g_slist_free (unchanging); core->priv->adding_from_watch_dir = FALSE; } /* keep monitoring the ones that are still changing */ g_slist_free (p->monitor_files); p->monitor_files = changing; /* if monitor_files is nonempty, keep checking every second */ if (core->priv->monitor_files) return TRUE; core->priv->monitor_idle_tag = 0; return FALSE; } /* If this file is a torrent, add it to our list */ static void core_watchdir_monitor_file (TrCore * core, GFile * file) { char * filename = g_file_get_path (file); const gboolean is_torrent = g_str_has_suffix (filename, ".torrent"); if (is_torrent) { GSList * l; struct TrCorePrivate * p = core->priv; /* if we're not already watching this file, start watching it now */ for (l=p->monitor_files; l!=NULL; l=l->next) if (g_file_equal (file, l->data)) break; if (l == NULL) { g_object_ref (file); p->monitor_files = g_slist_prepend (p->monitor_files, file); if (p->monitor_idle_tag == 0) p->monitor_idle_tag = gdk_threads_add_timeout_seconds (1, core_watchdir_idle, core); } } g_free (filename); } /* GFileMonitor noticed a file was created */ static void on_file_changed_in_watchdir (GFileMonitor * monitor UNUSED, GFile * file, GFile * other_type UNUSED, GFileMonitorEvent event_type, gpointer core) { if (event_type == G_FILE_MONITOR_EVENT_CREATED) core_watchdir_monitor_file (core, file); } /* walk through the pre-existing files in the watchdir */ static void core_watchdir_scan (TrCore * core) { const char * dirname = gtr_pref_string_get (PREF_KEY_DIR_WATCH); GDir * dir = g_dir_open (dirname, 0, NULL); if (dir != NULL) { const char * name; while ((name = g_dir_read_name (dir))) { char * filename = g_build_filename (dirname, name, NULL); GFile * file = g_file_new_for_path (filename); core_watchdir_monitor_file (core, file); g_object_unref (file); g_free (filename); } g_dir_close (dir); } } static void core_watchdir_update (TrCore * core) { const gboolean is_enabled = gtr_pref_flag_get (PREF_KEY_DIR_WATCH_ENABLED); GFile * dir = g_file_new_for_path (gtr_pref_string_get (PREF_KEY_DIR_WATCH)); struct TrCorePrivate * p = core->priv; if (p->monitor && (!is_enabled || !g_file_equal (dir, p->monitor_dir))) { g_signal_handler_disconnect (p->monitor, p->monitor_tag); g_file_monitor_cancel (p->monitor); g_object_unref (p->monitor); g_object_unref (p->monitor_dir); p->monitor_dir = NULL; p->monitor = NULL; p->monitor_tag = 0; } if (is_enabled && !p->monitor) { GFileMonitor * m = g_file_monitor_directory (dir, 0, NULL, NULL); core_watchdir_scan (core); g_object_ref (dir); p->monitor = m; p->monitor_dir = dir; p->monitor_tag = g_signal_connect (m, "changed", G_CALLBACK (on_file_changed_in_watchdir), core); } g_object_unref (dir); } /*** **** ***/ static void on_pref_changed (TrCore * core, const char * key, gpointer data UNUSED) { if (!strcmp (key, PREF_KEY_SORT_MODE) || !strcmp (key, PREF_KEY_SORT_REVERSED)) { const char * mode = gtr_pref_string_get (PREF_KEY_SORT_MODE); gboolean is_reversed = gtr_pref_flag_get (PREF_KEY_SORT_REVERSED); core_set_sort_mode (core, mode, is_reversed); } else if (!strcmp (key, TR_PREFS_KEY_PEER_LIMIT_GLOBAL)) { tr_sessionSetPeerLimit (gtr_core_session (core), gtr_pref_int_get (key)); } else if (!strcmp (key, TR_PREFS_KEY_PEER_LIMIT_TORRENT)) { tr_sessionSetPeerLimitPerTorrent (gtr_core_session (core), gtr_pref_int_get (key)); } else if (!strcmp (key, PREF_KEY_INHIBIT_HIBERNATION)) { core_maybe_inhibit_hibernation (core); } else if (!strcmp (key, PREF_KEY_DIR_WATCH) || !strcmp (key, PREF_KEY_DIR_WATCH_ENABLED)) { core_watchdir_update (core); } } /** *** **/ TrCore * gtr_core_new (tr_session * session) { TrCore * core = TR_CORE (g_object_new (TR_CORE_TYPE, NULL)); core->priv->session = session; /* init from prefs & listen to pref changes */ on_pref_changed (core, PREF_KEY_SORT_MODE, NULL); on_pref_changed (core, PREF_KEY_SORT_REVERSED, NULL); on_pref_changed (core, PREF_KEY_DIR_WATCH_ENABLED, NULL); on_pref_changed (core, TR_PREFS_KEY_PEER_LIMIT_GLOBAL, NULL); on_pref_changed (core, PREF_KEY_INHIBIT_HIBERNATION, NULL); g_signal_connect (core, "prefs-changed", G_CALLBACK (on_pref_changed), NULL); return core; } void gtr_core_close (TrCore * core) { tr_session * session = gtr_core_session (core); if (session) { core->priv->session = NULL; gtr_pref_save (session); tr_sessionClose (session); } } /*** **** COMPLETENESS CALLBACK ***/ struct notify_callback_data { TrCore * core; int torrent_id; }; static gboolean on_torrent_completeness_changed_idle (gpointer gdata) { struct notify_callback_data * data = gdata; gtr_notify_torrent_completed (data->core, data->torrent_id); g_object_unref (G_OBJECT (data->core)); g_free (data); return FALSE; } /* this is called in the libtransmission thread, *NOT* the GTK+ thread, so delegate to the GTK+ thread before calling notify's dbus code... */ static void on_torrent_completeness_changed (tr_torrent * tor, tr_completeness completeness, bool was_running, void * gcore) { if (was_running && (completeness != TR_LEECH) && (tr_torrentStat (tor)->sizeWhenDone != 0)) { struct notify_callback_data * data = g_new (struct notify_callback_data, 1); data->core = gcore; data->torrent_id = tr_torrentId (tor); g_object_ref (G_OBJECT (data->core)); gdk_threads_add_idle (on_torrent_completeness_changed_idle, data); } } /*** **** METADATA CALLBACK ***/ static const char* get_collated_name (TrCore * core, const tr_torrent * tor) { char buf[2048]; const char * name = tr_torrentName (tor); char * down = g_utf8_strdown (name ? name : "", -1); const tr_info * inf = tr_torrentInfo (tor); g_snprintf (buf, sizeof (buf), "%s\t%s", down, inf->hashString); g_free (down); return g_string_chunk_insert_const (core->priv->string_chunk, buf); } struct metadata_callback_data { TrCore * core; int torrent_id; }; static gboolean find_row_from_torrent_id (GtkTreeModel * model, int id, GtkTreeIter * setme) { GtkTreeIter iter; gboolean match = FALSE; if (gtk_tree_model_iter_children (model, &iter, NULL)) do { int row_id; gtk_tree_model_get (model, &iter, MC_TORRENT_ID, &row_id, -1); match = id == row_id; } while (!match && gtk_tree_model_iter_next (model, &iter)); if (match) *setme = iter; return match; } static gboolean on_torrent_metadata_changed_idle (gpointer gdata) { struct notify_callback_data * data = gdata; tr_session * session = gtr_core_session (data->core); tr_torrent * tor = tr_torrentFindFromId (session, data->torrent_id); /* update the torrent's collated name */ if (tor != NULL) { GtkTreeIter iter; GtkTreeModel * model = core_raw_model (data->core); if (find_row_from_torrent_id (model, data->torrent_id, &iter)) { const char * collated = get_collated_name (data->core, tor); GtkListStore * store = GTK_LIST_STORE (model); gtk_list_store_set (store, &iter, MC_NAME_COLLATED, collated, -1); } } /* cleanup */ g_object_unref (G_OBJECT (data->core)); g_free (data); return FALSE; } /* this is called in the libtransmission thread, *NOT* the GTK+ thread, so delegate to the GTK+ thread before changing our list store... */ static void on_torrent_metadata_changed (tr_torrent * tor, void * gcore) { struct notify_callback_data * data = g_new (struct notify_callback_data, 1); data->core = gcore; data->torrent_id = tr_torrentId (tor); g_object_ref (G_OBJECT (data->core)); gdk_threads_add_idle (on_torrent_metadata_changed_idle, data); } /*** **** **** ADDING TORRENTS **** ***/ static unsigned int build_torrent_trackers_hash (tr_torrent * tor) { int i; const char * pch; uint64_t hash = 0; const tr_info * const inf = tr_torrentInfo (tor); for (i=0; itrackerCount; ++i) for (pch=inf->trackers[i].announce; *pch; ++pch) hash = (hash<<4) ^ (hash>>28) ^ *pch; return hash; } static gboolean is_torrent_active (const tr_stat * st) { return (st->peersSendingToUs > 0) || (st->peersGettingFromUs > 0) || (st->activity == TR_STATUS_CHECK); } void gtr_core_add_torrent (TrCore * core, tr_torrent * tor, gboolean do_notify) { if (tor != NULL) { GtkTreeIter unused; const tr_stat * st = tr_torrentStat (tor); const char * collated = get_collated_name (core, tor); const unsigned int trackers_hash = build_torrent_trackers_hash (tor); GtkListStore * store = GTK_LIST_STORE (core_raw_model (core)); gtk_list_store_insert_with_values (store, &unused, 0, MC_NAME_COLLATED, collated, MC_TORRENT, tor, MC_TORRENT_ID, tr_torrentId (tor), MC_SPEED_UP, st->pieceUploadSpeed_KBps, MC_SPEED_DOWN, st->pieceDownloadSpeed_KBps, MC_RECHECK_PROGRESS, st->recheckProgress, MC_ACTIVE, is_torrent_active (st), MC_ACTIVITY, st->activity, MC_FINISHED, st->finished, MC_PRIORITY, tr_torrentGetPriority (tor), MC_QUEUE_POSITION, st->queuePosition, MC_TRACKERS, trackers_hash, -1); if (do_notify) gtr_notify_torrent_added (tr_torrentName (tor)); tr_torrentSetMetadataCallback (tor, on_torrent_metadata_changed, core); tr_torrentSetCompletenessCallback (tor, on_torrent_completeness_changed, core); } } static tr_torrent * core_create_new_torrent (TrCore * core, tr_ctor * ctor) { int errcode = 0; tr_torrent * tor; bool do_trash = false; tr_session * session = gtr_core_session (core); /* let the gtk client handle the removal, since libT * doesn't have any concept of the glib trash API */ tr_ctorGetDeleteSource (ctor, &do_trash); tr_ctorSetDeleteSource (ctor, FALSE); tor = tr_torrentNew (ctor, &errcode); if (tor && do_trash) { const char * config = tr_sessionGetConfigDir (session); const char * source = tr_ctorGetSourceFile (ctor); if (source != NULL) { /* #1294: don't delete the .torrent file if it's our internal copy */ const int is_internal = (strstr (source, config) == source); if (!is_internal) gtr_file_trash_or_remove (source); } } return tor; } static int core_add_ctor (TrCore * core, tr_ctor * ctor, gboolean do_prompt, gboolean do_notify) { tr_info inf; int err = tr_torrentParse (ctor, &inf); switch (err) { case TR_PARSE_ERR: break; case TR_PARSE_DUPLICATE: /* don't complain about .torrent files in the watch directory * that have already been added... that gets annoying and we * don't want to be nagging users to clean up their watch dirs */ if (!tr_ctorGetSourceFile (ctor) || !core->priv->adding_from_watch_dir) core_emit_err (core, err, inf.name); tr_metainfoFree (&inf); tr_ctorFree (ctor); break; default: if (do_prompt) { g_signal_emit (core, signals[ADD_PROMPT_SIGNAL], 0, ctor); } else { gtr_core_add_torrent (core, core_create_new_torrent (core, ctor), do_notify); tr_ctorFree (ctor); } tr_metainfoFree (&inf); break; } return err; } static void core_apply_defaults (tr_ctor * ctor) { if (tr_ctorGetPaused (ctor, TR_FORCE, NULL)) tr_ctorSetPaused (ctor, TR_FORCE, !gtr_pref_flag_get (TR_PREFS_KEY_START)); if (tr_ctorGetDeleteSource (ctor, NULL)) tr_ctorSetDeleteSource (ctor, gtr_pref_flag_get (TR_PREFS_KEY_TRASH_ORIGINAL)); if (tr_ctorGetPeerLimit (ctor, TR_FORCE, NULL)) tr_ctorSetPeerLimit (ctor, TR_FORCE, gtr_pref_int_get (TR_PREFS_KEY_PEER_LIMIT_TORRENT)); if (tr_ctorGetDownloadDir (ctor, TR_FORCE, NULL)) tr_ctorSetDownloadDir (ctor, TR_FORCE, gtr_pref_string_get (TR_PREFS_KEY_DOWNLOAD_DIR)); } void gtr_core_add_ctor (TrCore * core, tr_ctor * ctor) { const gboolean do_notify = FALSE; const gboolean do_prompt = gtr_pref_flag_get (PREF_KEY_OPTIONS_PROMPT); core_apply_defaults (ctor); core_add_ctor (core, ctor, do_prompt, do_notify); } /*** **** ***/ struct add_from_url_data { TrCore * core; tr_ctor * ctor; bool do_prompt; bool do_notify; }; static void add_file_async_callback (GObject * file, GAsyncResult * result, gpointer gdata) { gsize length; char * contents; GError * error = NULL; struct add_from_url_data * data = gdata; if (!g_file_load_contents_finish (G_FILE (file), result, &contents, &length, NULL, &error)) { g_message (_("Couldn't read \"%s\": %s"), g_file_get_parse_name (G_FILE (file)), error->message); g_error_free (error); } else if (!tr_ctorSetMetainfo (data->ctor, (const uint8_t*)contents, length)) { core_add_ctor (data->core, data->ctor, data->do_prompt, data->do_notify); } else { tr_ctorFree (data->ctor); } core_dec_busy (data->core); g_free (data); } static bool add_file (TrCore * core, GFile * file, gboolean do_start, gboolean do_prompt, gboolean do_notify) { bool handled = false; tr_session * session = gtr_core_session (core); if (session != NULL) { tr_ctor * ctor; bool tried = false; bool loaded = false; ctor = tr_ctorNew (session); core_apply_defaults (ctor); tr_ctorSetPaused (ctor, TR_FORCE, !do_start); /* local files... */ if (!tried) { char * str = g_file_get_path (file); if ((tried = g_file_test (str, G_FILE_TEST_EXISTS))) loaded = !tr_ctorSetMetainfoFromFile (ctor, str); g_free (str); } /* magnet links... */ if (!tried && g_file_has_uri_scheme (file, "magnet")) { /* GFile mangles the original string with /// so we have to un-mangle */ char * str = g_file_get_parse_name (file); char * magnet = g_strdup_printf ("magnet:%s", strchr (str, '?')); tried = true; loaded = !tr_ctorSetMetainfoFromMagnetLink (ctor, magnet); g_free (magnet); g_free (str); } /* hashcodes that we can turn into magnet links... */ if (!tried) { char * str = g_file_get_basename (file); if (gtr_is_hex_hashcode (str)) { char * magnet = g_strdup_printf ("magnet:?xt=urn:btih:%s", str); tried = true; loaded = !tr_ctorSetMetainfoFromMagnetLink (ctor, magnet); g_free (magnet); } g_free (str); } /* if we were able to load the metainfo, add the torrent */ if (loaded) { handled = true; core_add_ctor (core, ctor, do_prompt, do_notify); } else if (g_file_has_uri_scheme (file, "http") || g_file_has_uri_scheme (file, "https") || g_file_has_uri_scheme (file, "ftp")) { struct add_from_url_data * data; data = g_new0 (struct add_from_url_data, 1); data->core = core; data->ctor = ctor; data->do_prompt = do_prompt; data->do_notify = do_notify; handled = true; core_inc_busy (core); g_file_load_contents_async (file, NULL, add_file_async_callback, data); } else { tr_ctorFree (ctor); g_message (_("Skipping unknown torrent \"%s\""), g_file_get_parse_name (file)); } } return handled; } bool gtr_core_add_from_url (TrCore * core, const char * uri) { bool handled; const bool do_start = gtr_pref_flag_get (TR_PREFS_KEY_START); const bool do_prompt = gtr_pref_flag_get (PREF_KEY_OPTIONS_PROMPT); const bool do_notify = false; GFile * file = g_file_new_for_uri (uri); handled = add_file (core, file, do_start, do_prompt, do_notify); g_object_unref (file); gtr_core_torrents_added (core); return handled; } void gtr_core_add_files (TrCore * core, GSList * files, gboolean do_start, gboolean do_prompt, gboolean do_notify) { GSList * l; for (l=files; l!=NULL; l=l->next) add_file (core, l->data, do_start, do_prompt, do_notify); gtr_core_torrents_added (core); } void gtr_core_torrents_added (TrCore * self) { gtr_core_update (self); core_emit_err (self, TR_CORE_ERR_NO_MORE_TORRENTS, NULL); } void gtr_core_remove_torrent (TrCore * core, int id, gboolean delete_local_data) { tr_torrent * tor = gtr_core_find_torrent (core, id); if (tor != NULL) { /* remove from the gui */ GtkTreeIter iter; GtkTreeModel * model = core_raw_model (core); if (find_row_from_torrent_id (model, id, &iter)) gtk_list_store_remove (GTK_LIST_STORE (model), &iter); /* remove the torrent */ tr_torrentRemove (tor, delete_local_data, gtr_file_trash_or_remove); } } void gtr_core_load (TrCore * self, gboolean forcePaused) { int i; tr_ctor * ctor; tr_torrent ** torrents; int count = 0; ctor = tr_ctorNew (gtr_core_session (self)); if (forcePaused) tr_ctorSetPaused (ctor, TR_FORCE, TRUE); tr_ctorSetPeerLimit (ctor, TR_FALLBACK, gtr_pref_int_get (TR_PREFS_KEY_PEER_LIMIT_TORRENT)); torrents = tr_sessionLoadTorrents (gtr_core_session (self), ctor, &count); for (i=0; i ib) ret = 1; else ret = 0; return ret; } static void update_foreach (GtkTreeModel * model, GtkTreeIter * iter) { int oldActivity, newActivity; int oldActivePeerCount, newActivePeerCount; int oldError, newError; bool oldFinished, newFinished; int oldQueuePosition, newQueuePosition; tr_priority_t oldPriority, newPriority; unsigned int oldTrackers, newTrackers; double oldUpSpeed, newUpSpeed; double oldDownSpeed, newDownSpeed; double oldRecheckProgress, newRecheckProgress; gboolean oldActive, newActive; const tr_stat * st; tr_torrent * tor; /* get the old states */ gtk_tree_model_get (model, iter, MC_TORRENT, &tor, MC_ACTIVE, &oldActive, MC_ACTIVE_PEER_COUNT, &oldActivePeerCount, MC_ERROR, &oldError, MC_ACTIVITY, &oldActivity, MC_FINISHED, &oldFinished, MC_PRIORITY, &oldPriority, MC_QUEUE_POSITION, &oldQueuePosition, MC_TRACKERS, &oldTrackers, MC_SPEED_UP, &oldUpSpeed, MC_RECHECK_PROGRESS, &oldRecheckProgress, MC_SPEED_DOWN, &oldDownSpeed, -1); /* get the new states */ st = tr_torrentStat (tor); newActive = is_torrent_active (st); newActivity = st->activity; newFinished = st->finished; newPriority = tr_torrentGetPriority (tor); newQueuePosition = st->queuePosition; newTrackers = build_torrent_trackers_hash (tor); newUpSpeed = st->pieceUploadSpeed_KBps; newDownSpeed = st->pieceDownloadSpeed_KBps; newRecheckProgress = st->recheckProgress; newActivePeerCount = st->peersSendingToUs + st->peersGettingFromUs + st->webseedsSendingToUs; newError = st->error; /* updating the model triggers off resort/refresh, so don't do it unless something's actually changed... */ if ((newActive != oldActive) || (newActivity != oldActivity) || (newFinished != oldFinished) || (newPriority != oldPriority) || (newQueuePosition != oldQueuePosition) || (newError != oldError) || (newActivePeerCount != oldActivePeerCount) || (newTrackers != oldTrackers) || gtr_compare_double (newUpSpeed, oldUpSpeed, 2) || gtr_compare_double (newDownSpeed, oldDownSpeed, 2) || gtr_compare_double (newRecheckProgress, oldRecheckProgress, 2)) { gtk_list_store_set (GTK_LIST_STORE (model), iter, MC_ACTIVE, newActive, MC_ACTIVE_PEER_COUNT, newActivePeerCount, MC_ERROR, newError, MC_ACTIVITY, newActivity, MC_FINISHED, newFinished, MC_PRIORITY, newPriority, MC_QUEUE_POSITION, newQueuePosition, MC_TRACKERS, newTrackers, MC_SPEED_UP, newUpSpeed, MC_SPEED_DOWN, newDownSpeed, MC_RECHECK_PROGRESS, newRecheckProgress, -1); } } void gtr_core_update (TrCore * core) { GtkTreeIter iter; GtkTreeModel * model; /* update the model */ model = core_raw_model (core); if (gtk_tree_model_iter_nth_child (model, &iter, NULL, 0)) do update_foreach (model, &iter); while (gtk_tree_model_iter_next (model, &iter)); /* update hibernation */ core_maybe_inhibit_hibernation (core); } /** *** Hibernate **/ #define SESSION_MANAGER_SERVICE_NAME "org.gnome.SessionManager" #define SESSION_MANAGER_INTERFACE "org.gnome.SessionManager" #define SESSION_MANAGER_OBJECT_PATH "/org/gnome/SessionManager" static gboolean gtr_inhibit_hibernation (guint * cookie) { gboolean success; GVariant * response; GDBusConnection * connection; GError * err = NULL; const char * application = "Transmission BitTorrent Client"; const char * reason = "BitTorrent Activity"; const int toplevel_xid = 0; const int flags = 4; /* Inhibit suspending the session or computer */ connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &err); response = g_dbus_connection_call_sync (connection, SESSION_MANAGER_SERVICE_NAME, SESSION_MANAGER_OBJECT_PATH, SESSION_MANAGER_INTERFACE, "Inhibit", g_variant_new ("(susu)", application, toplevel_xid, reason, flags), NULL, G_DBUS_CALL_FLAGS_NONE, 1000, NULL, &err); if (response != NULL) *cookie = g_variant_get_uint32 (g_variant_get_child_value (response, 0)); success = (response != NULL) && (err == NULL); /* logging */ if (success) { tr_inf ("%s", _("Inhibiting desktop hibernation")); } else { tr_err (_("Couldn't inhibit desktop hibernation: %s"), err->message); g_error_free (err); } /* cleanup */ if (response != NULL) g_variant_unref (response); if (connection != NULL) g_object_unref (connection); return success; } static void gtr_uninhibit_hibernation (guint inhibit_cookie) { GVariant * response; GDBusConnection * connection; GError * err = NULL; connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &err); response = g_dbus_connection_call_sync (connection, SESSION_MANAGER_SERVICE_NAME, SESSION_MANAGER_OBJECT_PATH, SESSION_MANAGER_INTERFACE, "Uninhibit", g_variant_new ("(u)", inhibit_cookie), NULL, G_DBUS_CALL_FLAGS_NONE, 1000, NULL, &err); /* logging */ if (err == NULL) { tr_inf ("%s", _("Allowing desktop hibernation")); } else { g_warning ("Couldn't uninhibit desktop hibernation: %s.", err->message); g_error_free (err); } /* cleanup */ g_variant_unref (response); g_object_unref (connection); } static void gtr_core_set_hibernation_allowed (TrCore * core, gboolean allowed) { g_return_if_fail (core); g_return_if_fail (core->priv); core->priv->inhibit_allowed = allowed != 0; if (allowed && core->priv->have_inhibit_cookie) { gtr_uninhibit_hibernation (core->priv->inhibit_cookie); core->priv->have_inhibit_cookie = FALSE; } if (!allowed && !core->priv->have_inhibit_cookie && !core->priv->dbus_error) { if (gtr_inhibit_hibernation (&core->priv->inhibit_cookie)) core->priv->have_inhibit_cookie = TRUE; else core->priv->dbus_error = TRUE; } } static void core_maybe_inhibit_hibernation (TrCore * core) { /* hibernation is allowed if EITHER * (a) the "inhibit" pref is turned off OR * (b) there aren't any active torrents */ const gboolean hibernation_allowed = !gtr_pref_flag_get (PREF_KEY_INHIBIT_HIBERNATION) || !gtr_core_get_active_torrent_count (core); gtr_core_set_hibernation_allowed (core, hibernation_allowed); } /** *** Prefs **/ static void core_commit_prefs_change (TrCore * core, const char * key) { gtr_core_pref_changed (core, key); gtr_pref_save (gtr_core_session (core)); } void gtr_core_set_pref (TrCore * self, const char * key, const char * newval) { if (tr_strcmp0 (newval, gtr_pref_string_get (key))) { gtr_pref_string_set (key, newval); core_commit_prefs_change (self, key); } } void gtr_core_set_pref_bool (TrCore * self, const char * key, gboolean newval) { if (newval != gtr_pref_flag_get (key)) { gtr_pref_flag_set (key, newval); core_commit_prefs_change (self, key); } } void gtr_core_set_pref_int (TrCore * self, const char * key, int newval) { if (newval != gtr_pref_int_get (key)) { gtr_pref_int_set (key, newval); core_commit_prefs_change (self, key); } } void gtr_core_set_pref_double (TrCore * self, const char * key, double newval) { if (gtr_compare_double (newval, gtr_pref_double_get (key), 4)) { gtr_pref_double_set (key, newval); core_commit_prefs_change (self, key); } } /*** **** **** RPC Interface **** ***/ /* #define DEBUG_RPC */ static int nextTag = 1; typedef void (server_response_func)(TrCore * core, tr_benc * response, gpointer user_data); struct pending_request_data { TrCore * core; server_response_func * response_func; gpointer response_func_user_data; }; static GHashTable * pendingRequests = NULL; static gboolean core_read_rpc_response_idle (void * vresponse) { tr_benc top; int64_t intVal; struct evbuffer * response = vresponse; tr_jsonParse (NULL, evbuffer_pullup (response, -1), evbuffer_get_length (response), &top, NULL); if (tr_bencDictFindInt (&top, "tag", &intVal)) { const int tag = (int)intVal; struct pending_request_data * data = g_hash_table_lookup (pendingRequests, &tag); if (data) { if (data->response_func) (*data->response_func)(data->core, &top, data->response_func_user_data); g_hash_table_remove (pendingRequests, &tag); } } tr_bencFree (&top); evbuffer_free (response); return FALSE; } static void core_read_rpc_response (tr_session * session UNUSED, struct evbuffer * response, void * unused UNUSED) { struct evbuffer * buf = evbuffer_new (); evbuffer_add_buffer (buf, response); gdk_threads_add_idle (core_read_rpc_response_idle, buf); } static void core_send_rpc_request (TrCore * core, const char * json, int tag, server_response_func * response_func, void * response_func_user_data) { tr_session * session = gtr_core_session (core); if (pendingRequests == NULL) { pendingRequests = g_hash_table_new_full (g_int_hash, g_int_equal, g_free, g_free); } if (session == NULL) { g_error ("GTK+ client doesn't support connections to remote servers yet."); } else { /* remember this request */ struct pending_request_data * data; data = g_new0 (struct pending_request_data, 1); data->core = core; data->response_func = response_func; data->response_func_user_data = response_func_user_data; g_hash_table_insert (pendingRequests, g_memdup (&tag, sizeof (int)), data); /* make the request */ #ifdef DEBUG_RPC g_message ("request: [%s]", json); #endif tr_rpc_request_exec_json (session, json, strlen (json), core_read_rpc_response, GINT_TO_POINTER (tag)); } } /*** **** Sending a test-port request via RPC ***/ static void on_port_test_response (TrCore * core, tr_benc * response, gpointer u UNUSED) { tr_benc * args; bool is_open = FALSE; if (tr_bencDictFindDict (response, "arguments", &args)) tr_bencDictFindBool (args, "port-is-open", &is_open); core_emit_port_tested (core, is_open); } void gtr_core_port_test (TrCore * core) { char buf[64]; const int tag = nextTag++; g_snprintf (buf, sizeof (buf), "{ \"method\": \"port-test\", \"tag\": %d }", tag); core_send_rpc_request (core, buf, tag, on_port_test_response, NULL); } /*** **** Updating a blocklist via RPC ***/ static void on_blocklist_response (TrCore * core, tr_benc * response, gpointer data UNUSED) { tr_benc * args; int64_t ruleCount = -1; if (tr_bencDictFindDict (response, "arguments", &args)) tr_bencDictFindInt (args, "blocklist-size", &ruleCount); if (ruleCount > 0) gtr_pref_int_set ("blocklist-date", tr_time ()); core_emit_blocklist_udpated (core, ruleCount); } void gtr_core_blocklist_update (TrCore * core) { char buf[64]; const int tag = nextTag++; g_snprintf (buf, sizeof (buf), "{ \"method\": \"blocklist-update\", \"tag\": %d }", tag); core_send_rpc_request (core, buf, tag, on_blocklist_response, NULL); } /*** **** ***/ void gtr_core_exec_json (TrCore * core, const char * json) { const int tag = nextTag++; core_send_rpc_request (core, json, tag, NULL, NULL); } void gtr_core_exec (TrCore * core, const tr_benc * top) { char * json = tr_bencToStr (top, TR_FMT_JSON_LEAN, NULL); gtr_core_exec_json (core, json); tr_free (json); } /*** **** ***/ size_t gtr_core_get_torrent_count (TrCore * core) { return gtk_tree_model_iter_n_children (core_raw_model (core), NULL); } size_t gtr_core_get_active_torrent_count (TrCore * core) { GtkTreeIter iter; size_t activeCount = 0; GtkTreeModel * model = core_raw_model (core); if (gtk_tree_model_iter_nth_child (model, &iter, NULL, 0)) do { int activity; gtk_tree_model_get (model, &iter, MC_ACTIVITY, &activity, -1); if (activity != TR_STATUS_STOPPED) ++activeCount; } while (gtk_tree_model_iter_next (model, &iter)); return activeCount; } tr_torrent * gtr_core_find_torrent (TrCore * core, int id) { tr_session * session; tr_torrent * tor = NULL; if ((session = gtr_core_session (core))) tor = tr_torrentFindFromId (session, id); return tor; } void gtr_core_open_folder (TrCore * core, int torrent_id) { const tr_torrent * tor = gtr_core_find_torrent (core, torrent_id); if (tor != NULL) { const gboolean single = tr_torrentInfo (tor)->fileCount == 1; const char * currentDir = tr_torrentGetCurrentDir (tor); if (single) { gtr_open_file (currentDir); } else { char * path = g_build_filename (currentDir, tr_torrentName (tor), NULL); gtr_open_file (path); g_free (path); } } }