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transmission/gtk/tr-core.c
Mike Gelfand 1e3d20422a Reduce for loop variables scope
2017-05-14 01:38:31 +03:00

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/******************************************************************************
* 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 <math.h> /* pow() */
#include <string.h> /* strlen */
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <event2/buffer.h>
#include <libtransmission/transmission.h>
#include <libtransmission/log.h>
#include <libtransmission/rpcimpl.h>
#include <libtransmission/utils.h> /* tr_free */
#include <libtransmission/variant.h>
#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(TrCore const* core)
{
return core == NULL || core->priv->sorted_model == NULL;
}
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__INT, G_TYPE_NONE, 1, G_TYPE_INT);
}
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_INT, /* tr_stat.peersGettingFromUs */
G_TYPE_INT, /* tr_stat.peersSendingToUs + webseedsSendingToUs */
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, char const* 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, tr_quark const 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)
{
bool const 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;
gboolean const a_valid = is_valid_eta(a);
gboolean const 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;
}
else 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)
{
char const* ca;
char const* cb;
gtk_tree_model_get(m, a, MC_NAME_COLLATED, &ca, -1);
gtk_tree_model_get(m, b, MC_NAME_COLLATED, &cb, -1);
return g_strcmp0(ca, cb);
}
static int compare_by_queue(GtkTreeModel* m, GtkTreeIter* a, GtkTreeIter* b, gpointer user_data UNUSED)
{
tr_torrent* ta;
tr_torrent* tb;
tr_stat const* sa;
tr_stat const* 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;
tr_torrent* tb;
tr_stat const* sa;
tr_stat const* 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 == 0)
{
ret = compare_ratio(sa->ratio, sb->ratio);
}
if (ret == 0)
{
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;
tr_torrent* tb;
double aUp;
double aDown;
double bUp;
double 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);
ret = compare_double(aUp + aDown, bUp + bDown);
if (ret == 0)
{
tr_stat const* const sa = tr_torrentStatCached(ta);
tr_stat const* const sb = tr_torrentStatCached(tb);
ret = compare_uint64(sa->peersSendingToUs + sa->peersGettingFromUs, sb->peersSendingToUs + sb->peersGettingFromUs);
}
if (ret == 0)
{
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;
tr_torrent* tb;
gtk_tree_model_get(m, a, MC_TORRENT, &ta, -1);
gtk_tree_model_get(m, b, MC_TORRENT, &tb, -1);
if (ret == 0)
{
ret = compare_time(tr_torrentStatCached(ta)->addedDate, tr_torrentStatCached(tb)->addedDate);
}
if (ret == 0)
{
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;
tr_info const* ia;
tr_info const* 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 == 0)
{
ret = compare_uint64(ia->totalSize, ib->totalSize);
}
if (ret == 0)
{
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;
tr_stat const* sa;
tr_stat const* 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 == 0)
{
ret = compare_double(sa->percentComplete, sb->percentComplete);
}
if (ret == 0)
{
ret = compare_double(sa->seedRatioPercentDone, sb->seedRatioPercentDone);
}
if (ret == 0)
{
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;
tr_torrent* tb;
gtk_tree_model_get(m, a, MC_TORRENT, &ta, -1);
gtk_tree_model_get(m, b, MC_TORRENT, &tb, -1);
if (ret == 0)
{
ret = compare_eta(tr_torrentStatCached(ta)->eta, tr_torrentStatCached(tb)->eta);
}
if (ret == 0)
{
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;
int sb;
tr_torrent* ta;
tr_torrent* 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 == 0)
{
ret = compare_int(sa, sb);
}
if (ret == 0)
{
ret = compare_by_queue(m, a, b, u);
}
return ret;
}
static void core_set_sort_mode(TrCore* core, char const* mode, gboolean is_reversed)
{
int const 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 (g_strcmp0(mode, "sort-by-activity") == 0)
{
sort_func = compare_by_activity;
}
else if (g_strcmp0(mode, "sort-by-age") == 0)
{
sort_func = compare_by_age;
}
else if (g_strcmp0(mode, "sort-by-progress") == 0)
{
sort_func = compare_by_progress;
}
else if (g_strcmp0(mode, "sort-by-queue") == 0)
{
sort_func = compare_by_queue;
}
else if (g_strcmp0(mode, "sort-by-time-left") == 0)
{
sort_func = compare_by_eta;
}
else if (g_strcmp0(mode, "sort-by-ratio") == 0)
{
sort_func = compare_by_ratio;
}
else if (g_strcmp0(mode, "sort-by-state") == 0)
{
sort_func = compare_by_state;
}
else if (g_strcmp0(mode, "sort-by-size") == 0)
{
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)
{
GFileInfo* info;
time_t mtime = 0;
info = g_file_query_info(file, G_FILE_ATTRIBUTE_TIME_MODIFIED, 0, NULL, NULL);
if (info != 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;
info = g_file_query_info(file, G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME, 0, NULL, NULL);
if (info != NULL)
{
GError* error = NULL;
char const* old_name;
char* new_name;
GFile* new_file;
old_name = g_file_info_get_attribute_string(info, G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME);
new_name = g_strdup_printf("%s.added", old_name);
new_file = g_file_set_display_name(file, new_name, NULL, &error);
if (error != NULL)
{
g_message("Unable to rename \"%s\" as \"%s\": %s", old_name, new_name, error->message);
g_error_free(error);
}
if (new_file != 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* changing = NULL;
GSList* unchanging = NULL;
TrCore* core = TR_CORE(gcore);
time_t const now = tr_time();
struct TrCorePrivate* p = core->priv;
/* separate the files into two lists: changing and unchanging */
for (GSList* l = p->monitor_files; l != NULL; l = l->next)
{
GFile* file = l->data;
time_t const 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)
{
gboolean const do_start = gtr_pref_flag_get(TR_KEY_start_added_torrents);
gboolean const do_prompt = gtr_pref_flag_get(TR_KEY_show_options_window);
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 G_SOURCE_CONTINUE;
}
core->priv->monitor_idle_tag = 0;
return G_SOURCE_REMOVE;
}
/* 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);
gboolean const is_torrent = g_str_has_suffix(filename, ".torrent");
if (is_torrent)
{
struct TrCorePrivate* p = core->priv;
bool found = false;
/* if we're not already watching this file, start watching it now */
for (GSList* l = p->monitor_files; !found && l != NULL; l = l->next)
{
found = g_file_equal(file, l->data);
}
if (!found)
{
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)
{
char const* dirname = gtr_pref_string_get(TR_KEY_watch_dir);
GDir* dir = g_dir_open(dirname, 0, NULL);
if (dir != NULL)
{
char const* name;
while ((name = g_dir_read_name(dir)) != NULL)
{
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)
{
gboolean const is_enabled = gtr_pref_flag_get(TR_KEY_watch_dir_enabled);
GFile* dir = g_file_new_for_path(gtr_pref_string_get(TR_KEY_watch_dir));
struct TrCorePrivate* p = core->priv;
if (p->monitor != NULL && (!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 == NULL)
{
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, tr_quark const key, gpointer data UNUSED)
{
switch (key)
{
case TR_KEY_sort_mode:
case TR_KEY_sort_reversed:
{
char const* mode = gtr_pref_string_get(TR_KEY_sort_mode);
gboolean const is_reversed = gtr_pref_flag_get(TR_KEY_sort_reversed);
core_set_sort_mode(core, mode, is_reversed);
break;
}
case TR_KEY_peer_limit_global:
tr_sessionSetPeerLimit(gtr_core_session(core), gtr_pref_int_get(key));
break;
case TR_KEY_peer_limit_per_torrent:
tr_sessionSetPeerLimitPerTorrent(gtr_core_session(core), gtr_pref_int_get(key));
break;
case TR_KEY_inhibit_desktop_hibernation:
core_maybe_inhibit_hibernation(core);
break;
case TR_KEY_watch_dir:
case TR_KEY_watch_dir_enabled:
core_watchdir_update(core);
break;
default:
break;
}
}
/**
***
**/
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, TR_KEY_sort_mode, NULL);
on_pref_changed(core, TR_KEY_sort_reversed, NULL);
on_pref_changed(core, TR_KEY_watch_dir_enabled, NULL);
on_pref_changed(core, TR_KEY_peer_limit_global, NULL);
on_pref_changed(core, TR_KEY_inhibit_desktop_hibernation, NULL);
g_signal_connect(core, "prefs-changed", G_CALLBACK(on_pref_changed), NULL);
return core;
}
tr_session* gtr_core_close(TrCore* core)
{
tr_session* session = gtr_core_session(core);
if (session != NULL)
{
core->priv->session = NULL;
gtr_pref_save(session);
}
return 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 G_SOURCE_REMOVE;
}
/* 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 char const* get_collated_name(TrCore* core, tr_torrent const* tor)
{
char buf[2048];
char const* name = tr_torrentName(tor);
char* down = g_utf8_strdown(name ? name : "", -1);
tr_info const* 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))
{
char const* 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 G_SOURCE_REMOVE;
}
/* 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)
{
uint64_t hash = 0;
tr_info const* const inf = tr_torrentInfo(tor);
for (unsigned int i = 0; i < inf->trackerCount; ++i)
{
for (char const* pch = inf->trackers[i].announce; *pch != '\0'; ++pch)
{
hash = (hash << 4) ^ (hash >> 28) ^ *pch;
}
}
return hash;
}
static gboolean is_torrent_active(tr_stat const* 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;
tr_stat const* st = tr_torrentStat(tor);
char const* collated = get_collated_name(core, tor);
unsigned int const 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_ACTIVE_PEERS_UP, st->peersGettingFromUs,
MC_ACTIVE_PEERS_DOWN, st->peersSendingToUs + st->webseedsSendingToUs,
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)
{
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, NULL, NULL);
if (tor != NULL && do_trash)
{
char const* config = tr_sessionGetConfigDir(session);
char const* source = tr_ctorGetSourceFile(ctor);
if (source != NULL)
{
/* #1294: don't delete the .torrent file if it's our internal copy */
bool const is_internal = strstr(source, config) == source;
if (!is_internal)
{
gtr_file_trash_or_remove(source, NULL);
}
}
}
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) == NULL || !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_KEY_start_added_torrents));
}
if (!tr_ctorGetDeleteSource(ctor, NULL))
{
tr_ctorSetDeleteSource(ctor, gtr_pref_flag_get(TR_KEY_trash_original_torrent_files));
}
if (!tr_ctorGetPeerLimit(ctor, TR_FORCE, NULL))
{
tr_ctorSetPeerLimit(ctor, TR_FORCE, gtr_pref_int_get(TR_KEY_peer_limit_per_torrent));
}
if (!tr_ctorGetDownloadDir(ctor, TR_FORCE, NULL))
{
tr_ctorSetDownloadDir(ctor, TR_FORCE, gtr_pref_string_get(TR_KEY_download_dir));
}
}
void gtr_core_add_ctor(TrCore* core, tr_ctor* ctor)
{
gboolean const do_notify = FALSE;
gboolean const do_prompt = gtr_pref_flag_get(TR_KEY_show_options_window);
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, (uint8_t const*)contents, length) == 0)
{
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, char const* uri)
{
bool handled;
bool const do_start = gtr_pref_flag_get(TR_KEY_start_added_torrents);
bool const do_prompt = gtr_pref_flag_get(TR_KEY_show_options_window);
bool const 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)
{
for (GSList* 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_torrent_changed(TrCore* self, int id)
{
GtkTreeIter iter;
GtkTreeModel* model = core_raw_model(self);
if (find_row_from_torrent_id(model, id, &iter))
{
GtkTreePath* path = gtk_tree_model_get_path(model, &iter);
gtk_tree_model_row_changed(model, path, &iter);
}
}
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)
{
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_KEY_peer_limit_per_torrent));
torrents = tr_sessionLoadTorrents(gtr_core_session(self), ctor, &count);
for (int i = 0; i < count; ++i)
{
gtr_core_add_torrent(self, torrents[i], FALSE);
}
tr_free(torrents);
tr_ctorFree(ctor);
}
void gtr_core_clear(TrCore* self)
{
gtk_list_store_clear(GTK_LIST_STORE(core_raw_model(self)));
}
/***
****
***/
static int gtr_compare_double(double const a, double const b, int decimal_places)
{
int ret;
int64_t const ia = (int64_t)(a * pow(10, decimal_places));
int64_t const ib = (int64_t)(b * pow(10, decimal_places));
if (ia < ib)
{
ret = -1;
}
else if (ia > ib)
{
ret = 1;
}
else
{
ret = 0;
}
return ret;
}
static void update_foreach(GtkTreeModel* model, GtkTreeIter* iter)
{
int oldActivity;
int newActivity;
int oldActivePeerCount;
int newActivePeerCount;
int oldError;
int newError;
bool oldFinished;
bool newFinished;
int oldQueuePosition;
int newQueuePosition;
int oldDownloadPeerCount;
int newDownloadPeerCount;
int oldUploadPeerCount;
int newUploadPeerCount;
tr_priority_t oldPriority;
tr_priority_t newPriority;
unsigned int oldTrackers;
unsigned int newTrackers;
double oldUpSpeed;
double newUpSpeed;
double oldDownSpeed;
double newDownSpeed;
double oldRecheckProgress;
double newRecheckProgress;
gboolean oldActive;
gboolean newActive;
tr_stat const* 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_ACTIVE_PEERS_UP, &oldUploadPeerCount,
MC_ACTIVE_PEERS_DOWN, &oldDownloadPeerCount,
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;
newDownloadPeerCount = st->peersSendingToUs;
newUploadPeerCount = 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 ||
newDownloadPeerCount != oldDownloadPeerCount || newUploadPeerCount != oldUploadPeerCount ||
newTrackers != oldTrackers || gtr_compare_double(newUpSpeed, oldUpSpeed, 2) != 0 ||
gtr_compare_double(newDownSpeed, oldDownSpeed, 2) != 0 ||
gtr_compare_double(newRecheckProgress, oldRecheckProgress, 2) != 0)
{
gtk_list_store_set(GTK_LIST_STORE(model), iter,
MC_ACTIVE, newActive,
MC_ACTIVE_PEER_COUNT, newActivePeerCount,
MC_ACTIVE_PEERS_UP, newUploadPeerCount,
MC_ACTIVE_PEERS_DOWN, newDownloadPeerCount,
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;
char const* application = "Transmission BitTorrent Client";
char const* reason = "BitTorrent Activity";
int const toplevel_xid = 0;
int const 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_logAddInfo("%s", _("Inhibiting desktop hibernation"));
}
else
{
tr_logAddError(_("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_logAddInfo("%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 */
gboolean const hibernation_allowed = !gtr_pref_flag_get(TR_KEY_inhibit_desktop_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, tr_quark const key)
{
gtr_core_pref_changed(core, key);
gtr_pref_save(gtr_core_session(core));
}
void gtr_core_set_pref(TrCore* self, tr_quark const key, char const* newval)
{
if (g_strcmp0(newval, gtr_pref_string_get(key)) != 0)
{
gtr_pref_string_set(key, newval);
core_commit_prefs_change(self, key);
}
}
void gtr_core_set_pref_bool(TrCore* self, tr_quark const 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, tr_quark const 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, tr_quark const 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_variant* 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)
{
int64_t intVal;
tr_variant* response = vresponse;
if (tr_variantDictFindInt(response, TR_KEY_tag, &intVal))
{
int const tag = (int)intVal;
struct pending_request_data* data = g_hash_table_lookup(pendingRequests, &tag);
if (data != NULL)
{
if (data->response_func)
{
(*data->response_func)(data->core, response, data->response_func_user_data);
}
g_hash_table_remove(pendingRequests, &tag);
}
}
tr_variantFree(response);
tr_free(response);
return G_SOURCE_REMOVE;
}
static void core_read_rpc_response(tr_session* session UNUSED, tr_variant* response, void* unused UNUSED)
{
tr_variant* response_copy = tr_new(tr_variant, 1);
*response_copy = *response;
tr_variantInitBool(response, false);
gdk_threads_add_idle(core_read_rpc_response_idle, response_copy);
}
static void core_send_rpc_request(TrCore* core, tr_variant const* request, 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
{
struct evbuffer* buf = tr_variantToBuf(request, TR_VARIANT_FMT_JSON_LEAN);
size_t const buf_len = evbuffer_get_length(buf);
g_message("request: [%*.*s]", (int)buf_len, (int)buf_len, evbuffer_pullup(buf, -1));
evbuffer_free(buf);
}
#endif
tr_rpc_request_exec_json(session, request, core_read_rpc_response, GINT_TO_POINTER(tag));
}
}
/***
**** Sending a test-port request via RPC
***/
static void on_port_test_response(TrCore* core, tr_variant* response, gpointer u UNUSED)
{
tr_variant* args;
bool is_open;
if (!tr_variantDictFindDict(response, TR_KEY_arguments, &args) ||
!tr_variantDictFindBool(args, TR_KEY_port_is_open, &is_open))
{
is_open = false;
}
core_emit_port_tested(core, is_open);
}
void gtr_core_port_test(TrCore* core)
{
int const tag = nextTag++;
tr_variant request;
tr_variantInitDict(&request, 2);
tr_variantDictAddStr(&request, TR_KEY_method, "port-test");
tr_variantDictAddInt(&request, TR_KEY_tag, tag);
core_send_rpc_request(core, &request, tag, on_port_test_response, NULL);
tr_variantFree(&request);
}
/***
**** Updating a blocklist via RPC
***/
static void on_blocklist_response(TrCore* core, tr_variant* response, gpointer data UNUSED)
{
tr_variant* args;
int64_t ruleCount;
if (!tr_variantDictFindDict(response, TR_KEY_arguments, &args) ||
!tr_variantDictFindInt(args, TR_KEY_blocklist_size, &ruleCount))
{
ruleCount = -1;
}
if (ruleCount > 0)
{
gtr_pref_int_set(TR_KEY_blocklist_date, tr_time());
}
core_emit_blocklist_udpated(core, ruleCount);
}
void gtr_core_blocklist_update(TrCore* core)
{
int const tag = nextTag++;
tr_variant request;
tr_variantInitDict(&request, 2);
tr_variantDictAddStr(&request, TR_KEY_method, "blocklist-update");
tr_variantDictAddInt(&request, TR_KEY_tag, tag);
core_send_rpc_request(core, &request, tag, on_blocklist_response, NULL);
tr_variantFree(&request);
}
/***
****
***/
void gtr_core_exec(TrCore* core, tr_variant const* top)
{
int const tag = nextTag++;
core_send_rpc_request(core, top, tag, NULL, NULL);
}
/***
****
***/
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)) != NULL)
{
tor = tr_torrentFindFromId(session, id);
}
return tor;
}
void gtr_core_open_folder(TrCore* core, int torrent_id)
{
tr_torrent const* tor = gtr_core_find_torrent(core, torrent_id);
if (tor != NULL)
{
gboolean const single = tr_torrentInfo(tor)->fileCount == 1;
char const* 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);
}
}
}
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