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transmission/gtk/Session.cc

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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 <algorithm>
#include <functional>
#include <map>
#include <math.h> /* pow() */
#include <string.h> /* strlen */
#include <glibmm/i18n.h>
#include <event2/buffer.h>
#include <libtransmission/transmission.h>
#include <libtransmission/log.h>
#include <libtransmission/rpcimpl.h>
#include <libtransmission/tr-assert.h>
#include <libtransmission/utils.h> /* tr_free */
#include <libtransmission/variant.h>
#include "Actions.h"
#include "Notify.h"
#include "Prefs.h"
#include "PrefsDialog.h"
#include "Session.h"
#include "Utils.h"
namespace
{
class ScopedModelSortBlocker
{
public:
ScopedModelSortBlocker(Gtk::TreeSortable& model)
: model_(model)
{
model_.get_sort_column_id(sort_column_id_, sort_type_);
model_.set_sort_column(Gtk::TreeSortable::DEFAULT_SORT_COLUMN_ID, Gtk::SORT_ASCENDING);
}
~ScopedModelSortBlocker()
{
model_.set_sort_column(sort_column_id_, sort_type_);
}
private:
Gtk::TreeSortable& model_;
int sort_column_id_ = -1;
Gtk::SortType sort_type_ = Gtk::SORT_ASCENDING;
};
} // namespace
class Session::Impl
{
public:
Impl(Session& core, tr_session* session);
tr_session* close();
Glib::RefPtr<Gtk::ListStore> get_raw_model() const;
Glib::RefPtr<Gtk::TreeModelSort> get_model() const;
tr_session* get_session() const;
size_t get_active_torrent_count() const;
void update();
void torrents_added();
void add_files(std::vector<Glib::RefPtr<Gio::File>> const& files, bool do_start, bool do_prompt, bool do_notify);
int add_ctor(tr_ctor* ctor, bool do_prompt, bool do_notify);
void add_torrent(tr_torrent* tor, bool do_notify);
bool add_from_url(Glib::ustring const& uri);
void send_rpc_request(tr_variant const* request, int64_t tag, std::function<void(tr_variant*)> const& response_func);
void commit_prefs_change(tr_quark key);
public:
sigc::signal<void(ErrorCode, Glib::ustring const&)> signal_add_error;
sigc::signal<void(tr_ctor*)> signal_add_prompt;
sigc::signal<void(int)> signal_blocklist_updated;
sigc::signal<void(bool)> signal_busy;
sigc::signal<void(tr_quark)> signal_prefs_changed;
sigc::signal<void(bool)> signal_port_tested;
private:
Glib::RefPtr<Session> get_core_ptr() const;
bool is_busy();
void add_to_busy(int addMe);
void inc_busy();
void dec_busy();
bool add_file(Glib::RefPtr<Gio::File> const& file, bool do_start, bool do_prompt, bool do_notify);
void add_file_async_callback(
Glib::RefPtr<Gio::File> const& file,
Glib::RefPtr<Gio::AsyncResult>& result,
tr_ctor* ctor,
bool do_prompt,
bool do_notify);
tr_torrent* create_new_torrent(tr_ctor* ctor);
void set_sort_mode(std::string const& mode, bool is_reversed);
void maybe_inhibit_hibernation();
void set_hibernation_allowed(bool allowed);
void watchdir_update();
void watchdir_scan();
void watchdir_monitor_file(Glib::RefPtr<Gio::File> const& file);
bool watchdir_idle();
void on_file_changed_in_watchdir(
Glib::RefPtr<Gio::File> const& file,
Glib::RefPtr<Gio::File> const& other_type,
Gio::FileMonitorEvent event_type);
void on_pref_changed(tr_quark key);
void on_torrent_completeness_changed(tr_torrent* tor, tr_completeness completeness, bool was_running);
void on_torrent_metadata_changed(tr_torrent* tor);
private:
Session& core_;
Glib::RefPtr<Gio::FileMonitor> monitor_;
sigc::connection monitor_tag_;
Glib::RefPtr<Gio::File> monitor_dir_;
std::vector<Glib::RefPtr<Gio::File>> monitor_files_;
sigc::connection monitor_idle_tag_;
bool adding_from_watch_dir_ = false;
bool inhibit_allowed_ = false;
bool have_inhibit_cookie_ = false;
bool dbus_error_ = false;
guint inhibit_cookie_ = 0;
gint busy_count_ = 0;
Glib::RefPtr<Gtk::ListStore> raw_model_;
Glib::RefPtr<Gtk::TreeModelSort> sorted_model_;
tr_session* session_ = nullptr;
};
TorrentModelColumns::TorrentModelColumns()
{
add(name_collated);
add(torrent);
add(torrent_id);
add(speed_up);
add(speed_down);
add(active_peers_up);
add(active_peers_down);
add(recheck_progress);
add(active);
add(activity);
add(finished);
add(priority);
add(queue_position);
add(trackers);
add(error);
add(active_peer_count);
}
TorrentModelColumns const torrent_cols;
Glib::RefPtr<Session> Session::Impl::get_core_ptr() const
{
core_.reference();
return Glib::RefPtr<Session>(&core_);
}
/***
****
***/
Glib::RefPtr<Gtk::ListStore> Session::Impl::get_raw_model() const
{
return raw_model_;
}
Glib::RefPtr<Gtk::TreeModel> Session::get_model() const
{
return impl_->get_model();
}
Glib::RefPtr<Gtk::TreeModelSort> Session::Impl::get_model() const
{
return sorted_model_;
}
tr_session* Session::get_session() const
{
return impl_->get_session();
}
tr_session* Session::Impl::get_session() const
{
return session_;
}
/***
**** BUSY
***/
bool Session::Impl::is_busy()
{
return busy_count_ > 0;
}
void Session::Impl::add_to_busy(int addMe)
{
bool const wasBusy = is_busy();
busy_count_ += addMe;
if (wasBusy != is_busy())
{
signal_busy.emit(is_busy());
}
}
void Session::Impl::inc_busy()
{
add_to_busy(1);
}
void Session::Impl::dec_busy()
{
add_to_busy(-1);
}
/***
****
**** SORTING THE MODEL
****
***/
namespace
{
bool is_valid_eta(int t)
{
return t != TR_ETA_NOT_AVAIL && t != TR_ETA_UNKNOWN;
}
int compare_eta(int a, int b)
{
int ret;
bool const a_valid = is_valid_eta(a);
bool 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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
int compare_by_name(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
return a->get_value(torrent_cols.name_collated).compare(b->get_value(torrent_cols.name_collated));
}
int compare_by_queue(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
auto const* const sa = tr_torrentStatCached(static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent)));
auto const* const sb = tr_torrentStatCached(static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent)));
return sb->queuePosition - sa->queuePosition;
}
int compare_by_ratio(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto const* const sa = tr_torrentStatCached(static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent)));
auto const* const sb = tr_torrentStatCached(static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent)));
if (ret == 0)
{
ret = compare_ratio(sa->ratio, sb->ratio);
}
if (ret == 0)
{
ret = compare_by_queue(a, b);
}
return ret;
}
int compare_by_activity(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto* const ta = static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent));
auto* const tb = static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent));
auto const aUp = a->get_value(torrent_cols.speed_up);
auto const aDown = a->get_value(torrent_cols.speed_down);
auto const bUp = b->get_value(torrent_cols.speed_up);
auto const bDown = b->get_value(torrent_cols.speed_down);
ret = compare_double(aUp + aDown, bUp + bDown);
if (ret == 0)
{
auto const* const sa = tr_torrentStatCached(ta);
auto const* const sb = tr_torrentStatCached(tb);
ret = compare_uint64(sa->peersSendingToUs + sa->peersGettingFromUs, sb->peersSendingToUs + sb->peersGettingFromUs);
}
if (ret == 0)
{
ret = compare_by_queue(a, b);
}
return ret;
}
int compare_by_age(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto* const ta = static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent));
auto* const tb = static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent));
if (ret == 0)
{
ret = compare_time(tr_torrentStatCached(ta)->addedDate, tr_torrentStatCached(tb)->addedDate);
}
if (ret == 0)
{
ret = compare_by_name(a, b);
}
return ret;
}
int compare_by_size(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto const* const ia = tr_torrentInfo(static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent)));
auto const* const ib = tr_torrentInfo(static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent)));
if (ret == 0)
{
ret = compare_uint64(ia->totalSize, ib->totalSize);
}
if (ret == 0)
{
ret = compare_by_name(a, b);
}
return ret;
}
int compare_by_progress(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto const* const sa = tr_torrentStatCached(static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent)));
auto const* const sb = tr_torrentStatCached(static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent)));
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(a, b);
}
return ret;
}
int compare_by_eta(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto const* const sa = tr_torrentStatCached(static_cast<tr_torrent*>(a->get_value(torrent_cols.torrent)));
auto const* const sb = tr_torrentStatCached(static_cast<tr_torrent*>(b->get_value(torrent_cols.torrent)));
if (ret == 0)
{
ret = compare_eta(sa->eta, sb->eta);
}
if (ret == 0)
{
ret = compare_by_name(a, b);
}
return ret;
}
int compare_by_state(Gtk::TreeModel::iterator const& a, Gtk::TreeModel::iterator const& b)
{
int ret = 0;
auto const sa = a->get_value(torrent_cols.activity);
auto const sb = b->get_value(torrent_cols.activity);
if (ret == 0)
{
ret = compare_int(sa, sb);
}
if (ret == 0)
{
ret = compare_by_queue(a, b);
}
return ret;
}
} // namespace
void Session::Impl::set_sort_mode(std::string const& mode, bool is_reversed)
{
auto const& col = torrent_cols.torrent;
Gtk::TreeSortable::SlotCompare sort_func;
auto type = is_reversed ? Gtk::SORT_ASCENDING : Gtk::SORT_DESCENDING;
auto const sortable = get_model();
if (mode == "sort-by-activity")
{
sort_func = &compare_by_activity;
}
else if (mode == "sort-by-age")
{
sort_func = &compare_by_age;
}
else if (mode == "sort-by-progress")
{
sort_func = &compare_by_progress;
}
else if (mode == "sort-by-queue")
{
sort_func = &compare_by_queue;
}
else if (mode == "sort-by-time-left")
{
sort_func = &compare_by_eta;
}
else if (mode == "sort-by-ratio")
{
sort_func = &compare_by_ratio;
}
else if (mode == "sort-by-state")
{
sort_func = &compare_by_state;
}
else if (mode == "sort-by-size")
{
sort_func = &compare_by_size;
}
else
{
sort_func = &compare_by_name;
type = is_reversed ? Gtk::SORT_DESCENDING : Gtk::SORT_ASCENDING;
}
sortable->set_sort_func(col, sort_func);
sortable->set_sort_column(col, type);
}
/***
****
**** WATCHDIR
****
***/
namespace
{
time_t get_file_mtime(Glib::RefPtr<Gio::File> const& file)
{
auto const info = file->query_info(G_FILE_ATTRIBUTE_TIME_MODIFIED);
return info != nullptr ? info->get_attribute_uint64(G_FILE_ATTRIBUTE_TIME_MODIFIED) : 0;
}
void rename_torrent(Glib::RefPtr<Gio::File> const& file)
{
auto const info = file->query_info(G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME);
if (info != nullptr)
{
auto const old_name = info->get_attribute_as_string(G_FILE_ATTRIBUTE_STANDARD_EDIT_NAME);
auto const new_name = gtr_sprintf("%s.added", old_name);
try
{
file->set_display_name(new_name);
}
catch (Glib::Error const& e)
{
g_message("Unable to rename \"%s\" as \"%s\": %s", old_name.c_str(), new_name.c_str(), e.what().c_str());
}
}
}
} // namespace
bool Session::Impl::watchdir_idle()
{
std::vector<Glib::RefPtr<Gio::File>> changing;
std::vector<Glib::RefPtr<Gio::File>> unchanging;
time_t const now = tr_time();
/* separate the files into two lists: changing and unchanging */
for (auto const& file : monitor_files_)
{
time_t const mtime = get_file_mtime(file);
if (mtime + 2 >= now)
{
changing.push_back(file);
}
else
{
unchanging.push_back(file);
}
}
/* add the files that have stopped changing */
if (!unchanging.empty())
{
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);
adding_from_watch_dir_ = true;
add_files(unchanging, do_start, do_prompt, true);
std::for_each(unchanging.begin(), unchanging.end(), rename_torrent);
adding_from_watch_dir_ = false;
}
/* keep monitoring the ones that are still changing */
monitor_files_ = changing;
/* if monitor_files is nonempty, keep checking every second */
if (!monitor_files_.empty())
{
return true;
}
monitor_idle_tag_.disconnect();
return false;
}
/* If this file is a torrent, add it to our list */
void Session::Impl::watchdir_monitor_file(Glib::RefPtr<Gio::File> const& file)
{
auto const filename = file->get_path();
bool const is_torrent = Glib::str_has_suffix(filename, ".torrent");
if (is_torrent)
{
/* if we're not already watching this file, start watching it now */
bool const found = std::any_of(
monitor_files_.begin(),
monitor_files_.end(),
[file](auto const& f) { return file->equal(f); });
if (!found)
{
monitor_files_.push_back(file);
if (!monitor_idle_tag_.connected())
{
monitor_idle_tag_ = Glib::signal_timeout().connect_seconds(sigc::mem_fun(*this, &Impl::watchdir_idle), 1);
}
}
}
}
/* GFileMonitor noticed a file was created */
void Session::Impl::on_file_changed_in_watchdir(
Glib::RefPtr<Gio::File> const& file,
Glib::RefPtr<Gio::File> const& /*other_type*/,
Gio::FileMonitorEvent event_type)
{
if (event_type == Gio::FILE_MONITOR_EVENT_CREATED)
{
watchdir_monitor_file(file);
}
}
/* walk through the pre-existing files in the watchdir */
void Session::Impl::watchdir_scan()
{
auto const dirname = gtr_pref_string_get(TR_KEY_watch_dir);
try
{
for (auto const& name : Glib::Dir(dirname))
{
watchdir_monitor_file(Gio::File::create_for_path(Glib::build_filename(dirname, name)));
}
}
catch (Glib::FileError const&)
{
}
}
void Session::Impl::watchdir_update()
{
bool const is_enabled = gtr_pref_flag_get(TR_KEY_watch_dir_enabled);
auto const dir = Gio::File::create_for_path(gtr_pref_string_get(TR_KEY_watch_dir));
if (monitor_ != nullptr && (!is_enabled || !dir->equal(monitor_dir_)))
{
monitor_tag_.disconnect();
monitor_->cancel();
monitor_dir_.reset();
monitor_.reset();
}
if (is_enabled && monitor_ == nullptr)
{
auto const m = dir->monitor_directory();
watchdir_scan();
monitor_ = m;
monitor_dir_ = dir;
monitor_tag_ = m->signal_changed().connect(sigc::mem_fun(*this, &Impl::on_file_changed_in_watchdir));
}
}
/***
****
***/
void Session::Impl::on_pref_changed(tr_quark const key)
{
switch (key)
{
case TR_KEY_sort_mode:
case TR_KEY_sort_reversed:
{
auto const mode = gtr_pref_string_get(TR_KEY_sort_mode);
bool const is_reversed = gtr_pref_flag_get(TR_KEY_sort_reversed);
set_sort_mode(mode, is_reversed);
break;
}
case TR_KEY_peer_limit_global:
tr_sessionSetPeerLimit(session_, gtr_pref_int_get(key));
break;
case TR_KEY_peer_limit_per_torrent:
tr_sessionSetPeerLimitPerTorrent(session_, gtr_pref_int_get(key));
break;
case TR_KEY_inhibit_desktop_hibernation:
maybe_inhibit_hibernation();
break;
case TR_KEY_watch_dir:
case TR_KEY_watch_dir_enabled:
watchdir_update();
break;
default:
break;
}
}
/**
***
**/
Glib::RefPtr<Session> Session::create(tr_session* session)
{
return Glib::make_refptr_for_instance(new Session(session));
}
Session::Session(tr_session* session)
: Glib::ObjectBase(typeid(Session))
, impl_(std::make_unique<Impl>(*this, session))
{
}
Session::~Session() = default;
Session::Impl::Impl(Session& core, tr_session* session)
: core_(core)
, session_(session)
{
raw_model_ = Gtk::ListStore::create(torrent_cols);
sorted_model_ = Gtk::TreeModelSort::create(raw_model_);
sorted_model_->set_default_sort_func([](Gtk::TreeModel::iterator const& /*a*/, Gtk::TreeModel::iterator const& /*b*/)
{ return 0; });
/* init from prefs & listen to pref changes */
on_pref_changed(TR_KEY_sort_mode);
on_pref_changed(TR_KEY_sort_reversed);
on_pref_changed(TR_KEY_watch_dir_enabled);
on_pref_changed(TR_KEY_peer_limit_global);
on_pref_changed(TR_KEY_inhibit_desktop_hibernation);
signal_prefs_changed.connect([this](auto key) { on_pref_changed(key); });
}
tr_session* Session::close()
{
return impl_->close();
}
tr_session* Session::Impl::close()
{
auto* session = session_;
if (session != nullptr)
{
session_ = nullptr;
gtr_pref_save(session);
}
return session;
}
/***
**** COMPLETENESS CALLBACK
***/
/* this is called in the libtransmission thread, *NOT* the GTK+ thread,
so delegate to the GTK+ thread before calling notify's dbus code... */
void Session::Impl::on_torrent_completeness_changed(tr_torrent* tor, tr_completeness completeness, bool was_running)
{
if (was_running && completeness != TR_LEECH && tr_torrentStat(tor)->sizeWhenDone != 0)
{
Glib::signal_idle().connect(
[core = get_core_ptr(), torrent_id = tr_torrentId(tor)]()
{
gtr_notify_torrent_completed(core, torrent_id);
return false;
});
}
}
/***
**** METADATA CALLBACK
***/
namespace
{
Glib::ustring get_collated_name(tr_torrent const* tor)
{
auto const* const inf = tr_torrentInfo(tor);
return gtr_sprintf("%s\t%s", Glib::ustring(tr_torrentName(tor)).lowercase(), inf->hashString);
}
struct metadata_callback_data
{
Session* core;
int torrent_id;
};
Gtk::TreeModel::iterator find_row_from_torrent_id(Glib::RefPtr<Gtk::TreeModel> const& model, int id)
{
for (auto const& row : model->children())
{
if (id == row.get_value(torrent_cols.torrent_id))
{
return row;
}
}
return {};
}
} // namespace
/* this is called in the libtransmission thread, *NOT* the GTK+ thread,
so delegate to the GTK+ thread before changing our list store... */
void Session::Impl::on_torrent_metadata_changed(tr_torrent* tor)
{
Glib::signal_idle().connect(
[this, core = get_core_ptr(), torrent_id = tr_torrentId(tor)]()
{
auto const* const tor2 = tr_torrentFindFromId(session_, torrent_id);
/* update the torrent's collated name */
if (tor2 != nullptr)
{
if (auto const iter = find_row_from_torrent_id(raw_model_, torrent_id); iter)
{
(*iter)[torrent_cols.name_collated] = get_collated_name(tor2);
}
}
return false;
});
}
/***
****
**** ADDING TORRENTS
****
***/
namespace
{
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;
}
bool is_torrent_active(tr_stat const* st)
{
return st->peersSendingToUs > 0 || st->peersGettingFromUs > 0 || st->activity == TR_STATUS_CHECK;
}
} // namespace
void Session::add_torrent(tr_torrent* tor, bool do_notify)
{
ScopedModelSortBlocker disable_sort(*gtr_get_ptr(impl_->get_model()));
impl_->add_torrent(tor, do_notify);
}
void Session::Impl::add_torrent(tr_torrent* tor, bool do_notify)
{
if (tor != nullptr)
{
tr_stat const* st = tr_torrentStat(tor);
auto const collated = get_collated_name(tor);
auto const trackers_hash = build_torrent_trackers_hash(tor);
auto const store = get_raw_model();
auto const iter = store->append();
(*iter)[torrent_cols.name_collated] = collated;
(*iter)[torrent_cols.torrent] = tor;
(*iter)[torrent_cols.torrent_id] = tr_torrentId(tor);
(*iter)[torrent_cols.speed_up] = st->pieceUploadSpeed_KBps;
(*iter)[torrent_cols.speed_down] = st->pieceDownloadSpeed_KBps;
(*iter)[torrent_cols.active_peers_up] = st->peersGettingFromUs;
(*iter)[torrent_cols.active_peers_down] = st->peersSendingToUs + st->webseedsSendingToUs;
(*iter)[torrent_cols.recheck_progress] = st->recheckProgress;
(*iter)[torrent_cols.active] = is_torrent_active(st);
(*iter)[torrent_cols.activity] = st->activity;
(*iter)[torrent_cols.finished] = st->finished;
(*iter)[torrent_cols.priority] = tr_torrentGetPriority(tor);
(*iter)[torrent_cols.queue_position] = st->queuePosition;
(*iter)[torrent_cols.trackers] = trackers_hash;
if (do_notify)
{
gtr_notify_torrent_added(get_core_ptr(), tr_torrentId(tor));
}
tr_torrentSetMetadataCallback(
tor,
[](auto* tor2, void* impl) { static_cast<Impl*>(impl)->on_torrent_metadata_changed(tor2); },
this);
tr_torrentSetCompletenessCallback(
tor,
[](auto* tor2, auto completeness, bool was_running, void* impl)
{ static_cast<Impl*>(impl)->on_torrent_completeness_changed(tor2, completeness, was_running); },
this);
}
}
tr_torrent* Session::Impl::create_new_torrent(tr_ctor* ctor)
{
bool do_trash = false;
/* 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);
tr_torrent* const tor = tr_torrentNew(ctor, nullptr, nullptr);
if (tor != nullptr && do_trash)
{
char const* config = tr_sessionGetConfigDir(session_);
char const* source = tr_ctorGetSourceFile(ctor);
if (source != nullptr)
{
/* #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, nullptr);
}
}
}
return tor;
}
int Session::Impl::add_ctor(tr_ctor* ctor, bool do_prompt, bool do_notify)
{
tr_info inf;
auto 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) == nullptr || !adding_from_watch_dir_)
{
signal_add_error.emit(static_cast<ErrorCode>(err), inf.name);
}
tr_metainfoFree(&inf);
tr_ctorFree(ctor);
break;
default:
if (do_prompt)
{
signal_add_prompt.emit(ctor);
}
else
{
ScopedModelSortBlocker disable_sort(*gtr_get_ptr(sorted_model_));
add_torrent(create_new_torrent(ctor), do_notify);
tr_ctorFree(ctor);
}
tr_metainfoFree(&inf);
break;
}
return err;
}
namespace
{
void core_apply_defaults(tr_ctor* ctor)
{
if (!tr_ctorGetPaused(ctor, TR_FORCE, nullptr))
{
tr_ctorSetPaused(ctor, TR_FORCE, !gtr_pref_flag_get(TR_KEY_start_added_torrents));
}
if (!tr_ctorGetDeleteSource(ctor, nullptr))
{
tr_ctorSetDeleteSource(ctor, gtr_pref_flag_get(TR_KEY_trash_original_torrent_files));
}
if (!tr_ctorGetPeerLimit(ctor, TR_FORCE, nullptr))
{
tr_ctorSetPeerLimit(ctor, TR_FORCE, gtr_pref_int_get(TR_KEY_peer_limit_per_torrent));
}
if (!tr_ctorGetDownloadDir(ctor, TR_FORCE, nullptr))
{
tr_ctorSetDownloadDir(ctor, TR_FORCE, gtr_pref_string_get(TR_KEY_download_dir).c_str());
}
}
} // namespace
void Session::add_ctor(tr_ctor* ctor)
{
bool const do_notify = false;
bool const do_prompt = gtr_pref_flag_get(TR_KEY_show_options_window);
core_apply_defaults(ctor);
impl_->add_ctor(ctor, do_prompt, do_notify);
}
/***
****
***/
void Session::Impl::add_file_async_callback(
Glib::RefPtr<Gio::File> const& file,
Glib::RefPtr<Gio::AsyncResult>& result,
tr_ctor* ctor,
bool do_prompt,
bool do_notify)
{
gsize length;
char* contents;
try
{
if (!file->load_contents_finish(result, contents, length))
{
g_message(_("Couldn't read \"%s\""), file->get_parse_name().c_str());
}
else if (tr_ctorSetMetainfo(ctor, contents, length) == 0)
{
add_ctor(ctor, do_prompt, do_notify);
}
else
{
tr_ctorFree(ctor);
}
}
catch (Glib::Error const& e)
{
g_message(_("Couldn't read \"%s\": %s"), file->get_parse_name().c_str(), e.what().c_str());
}
dec_busy();
}
bool Session::Impl::add_file(Glib::RefPtr<Gio::File> const& file, bool do_start, bool do_prompt, bool do_notify)
{
bool handled = false;
auto const* const session = get_session();
if (session != nullptr)
{
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)
{
auto const str = file->get_path();
if ((tried = !str.empty() && Glib::file_test(str, Glib::FILE_TEST_EXISTS)))
{
loaded = !tr_ctorSetMetainfoFromFile(ctor, str.c_str());
}
}
/* magnet links... */
if (!tried && file->has_uri_scheme("magnet"))
{
/* GFile mangles the original string with /// so we have to un-mangle */
auto const str = file->get_parse_name();
auto const magnet = gtr_sprintf("magnet:%s", str.substr(str.find('?')));
tried = true;
loaded = !tr_ctorSetMetainfoFromMagnetLink(ctor, magnet.c_str());
}
/* hashcodes that we can turn into magnet links... */
if (!tried)
{
auto const str = file->get_basename();
if (gtr_is_hex_hashcode(str))
{
auto const magnet = gtr_sprintf("magnet:?xt=urn:btih:%s", str);
loaded = !tr_ctorSetMetainfoFromMagnetLink(ctor, magnet.c_str());
}
}
/* if we were able to load the metainfo, add the torrent */
if (loaded)
{
handled = true;
add_ctor(ctor, do_prompt, do_notify);
}
else if (file->has_uri_scheme("http") || file->has_uri_scheme("https") || file->has_uri_scheme("ftp"))
{
handled = true;
inc_busy();
file->load_contents_async([this, file, ctor, do_prompt, do_notify](auto& result)
{ add_file_async_callback(file, result, ctor, do_prompt, do_notify); });
}
else
{
tr_ctorFree(ctor);
g_message(_("Skipping unknown torrent \"%s\""), file->get_parse_name().c_str());
}
}
return handled;
}
bool Session::add_from_url(Glib::ustring const& uri)
{
return impl_->add_from_url(uri);
}
bool Session::Impl::add_from_url(Glib::ustring 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;
auto const file = Gio::File::create_for_uri(uri);
handled = add_file(file, do_start, do_prompt, do_notify);
torrents_added();
return handled;
}
void Session::add_files(std::vector<Glib::RefPtr<Gio::File>> const& files, bool do_start, bool do_prompt, bool do_notify)
{
impl_->add_files(files, do_start, do_prompt, do_notify);
}
void Session::Impl::add_files(std::vector<Glib::RefPtr<Gio::File>> const& files, bool do_start, bool do_prompt, bool do_notify)
{
for (auto const& file : files)
{
add_file(file, do_start, do_prompt, do_notify);
}
torrents_added();
}
void Session::torrents_added()
{
impl_->torrents_added();
}
void Session::Impl::torrents_added()
{
update();
signal_add_error.emit(ERR_NO_MORE_TORRENTS, {});
}
void Session::torrent_changed(int id)
{
auto const model = impl_->get_raw_model();
if (auto const iter = find_row_from_torrent_id(model, id); iter)
{
model->row_changed(model->get_path(iter), iter);
}
}
void Session::remove_torrent(int id, bool delete_local_data)
{
auto* tor = find_torrent(id);
if (tor != nullptr)
{
/* remove from the gui */
auto const model = impl_->get_raw_model();
if (auto const iter = find_row_from_torrent_id(model, id); iter)
{
model->erase(iter);
}
/* remove the torrent */
tr_torrentRemove(
tor,
delete_local_data,
[](char const* filename, tr_error** error) { return gtr_file_trash_or_remove(filename, error); });
}
}
void Session::load(bool forcePaused)
{
tr_ctor* ctor;
tr_torrent** torrents;
int count = 0;
ctor = tr_ctorNew(impl_->get_session());
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(impl_->get_session(), ctor, &count);
ScopedModelSortBlocker disable_sort(*gtr_get_ptr(impl_->get_model()));
for (int i = 0; i < count; ++i)
{
impl_->add_torrent(torrents[i], false);
}
tr_free(torrents);
tr_ctorFree(ctor);
}
void Session::clear()
{
impl_->get_raw_model()->clear();
}
/***
****
***/
namespace
{
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;
}
void update_foreach(Gtk::TreeModel::Row const& row)
{
/* get the old states */
auto* const tor = static_cast<tr_torrent*>(row.get_value(torrent_cols.torrent));
auto const oldActive = row.get_value(torrent_cols.active);
auto const oldActivePeerCount = row.get_value(torrent_cols.active_peer_count);
auto const oldUploadPeerCount = row.get_value(torrent_cols.active_peers_up);
auto const oldDownloadPeerCount = row.get_value(torrent_cols.active_peers_down);
auto const oldError = row.get_value(torrent_cols.error);
auto const oldActivity = row.get_value(torrent_cols.activity);
auto const oldFinished = row.get_value(torrent_cols.finished);
auto const oldPriority = row.get_value(torrent_cols.priority);
auto const oldQueuePosition = row.get_value(torrent_cols.queue_position);
auto const oldTrackers = row.get_value(torrent_cols.trackers);
auto const oldUpSpeed = row.get_value(torrent_cols.speed_up);
auto const oldRecheckProgress = row.get_value(torrent_cols.recheck_progress);
auto const oldDownSpeed = row.get_value(torrent_cols.speed_down);
/* get the new states */
auto const* const st = tr_torrentStat(tor);
auto const newActive = is_torrent_active(st);
auto const newActivity = st->activity;
auto const newFinished = st->finished;
auto const newPriority = tr_torrentGetPriority(tor);
auto const newQueuePosition = st->queuePosition;
auto const newTrackers = build_torrent_trackers_hash(tor);
auto const newUpSpeed = st->pieceUploadSpeed_KBps;
auto const newDownSpeed = st->pieceDownloadSpeed_KBps;
auto const newRecheckProgress = st->recheckProgress;
auto const newActivePeerCount = st->peersSendingToUs + st->peersGettingFromUs + st->webseedsSendingToUs;
auto const newDownloadPeerCount = st->peersSendingToUs;
auto const newUploadPeerCount = st->peersGettingFromUs + st->webseedsSendingToUs;
auto const 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)
{
row[torrent_cols.active] = newActive;
row[torrent_cols.active_peer_count] = newActivePeerCount;
row[torrent_cols.active_peers_up] = newUploadPeerCount;
row[torrent_cols.active_peers_down] = newDownloadPeerCount;
row[torrent_cols.error] = newError;
row[torrent_cols.activity] = newActivity;
row[torrent_cols.finished] = newFinished;
row[torrent_cols.priority] = newPriority;
row[torrent_cols.queue_position] = newQueuePosition;
row[torrent_cols.trackers] = newTrackers;
row[torrent_cols.speed_up] = newUpSpeed;
row[torrent_cols.speed_down] = newDownSpeed;
row[torrent_cols.recheck_progress] = newRecheckProgress;
}
}
} // namespace
void Session::update()
{
impl_->update();
}
void Session::start_now(int id)
{
tr_variant top;
tr_variantInitDict(&top, 2);
tr_variantDictAddStrView(&top, TR_KEY_method, "torrent-start-now");
auto args = tr_variantDictAddDict(&top, TR_KEY_arguments, 1);
auto ids = tr_variantDictAddList(args, TR_KEY_ids, 1);
tr_variantListAddInt(ids, id);
exec(&top);
tr_variantFree(&top);
}
void Session::Impl::update()
{
/* update the model */
for (auto const& row : raw_model_->children())
{
update_foreach(row);
}
/* update hibernation */
maybe_inhibit_hibernation();
}
/**
*** Hibernate
**/
#define SESSION_MANAGER_SERVICE_NAME "org.gnome.SessionManager"
#define SESSION_MANAGER_INTERFACE "org.gnome.SessionManager"
#define SESSION_MANAGER_OBJECT_PATH "/org/gnome/SessionManager"
namespace
{
bool gtr_inhibit_hibernation(guint32& cookie)
{
bool success = false;
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 */
try
{
auto const connection = Gio::DBus::Connection::get_sync(Gio::DBus::BUS_TYPE_SESSION);
auto response = connection->call_sync(
SESSION_MANAGER_OBJECT_PATH,
SESSION_MANAGER_INTERFACE,
"Inhibit",
Glib::VariantContainerBase::create_tuple({
Glib::Variant<Glib::ustring>::create(application),
Glib::Variant<guint32>::create(toplevel_xid),
Glib::Variant<Glib::ustring>::create(reason),
Glib::Variant<guint32>::create(flags),
}),
SESSION_MANAGER_SERVICE_NAME,
1000);
cookie = Glib::VariantBase::cast_dynamic<Glib::Variant<guint32>>(response.get_child(0)).get();
/* logging */
tr_logAddInfo("%s", _("Inhibiting desktop hibernation"));
success = true;
}
catch (Glib::Error const& e)
{
tr_logAddError(_("Couldn't inhibit desktop hibernation: %s"), e.what().c_str());
}
return success;
}
void gtr_uninhibit_hibernation(guint inhibit_cookie)
{
try
{
auto const connection = Gio::DBus::Connection::get_sync(Gio::DBus::BUS_TYPE_SESSION);
connection->call_sync(
SESSION_MANAGER_OBJECT_PATH,
SESSION_MANAGER_INTERFACE,
"Uninhibit",
Glib::VariantContainerBase::create_tuple({ Glib::Variant<guint32>::create(inhibit_cookie) }),
SESSION_MANAGER_SERVICE_NAME,
1000);
/* logging */
tr_logAddInfo("%s", _("Allowing desktop hibernation"));
}
catch (Glib::Error const& e)
{
g_warning("Couldn't uninhibit desktop hibernation: %s.", e.what().c_str());
}
}
} // namespace
void Session::Impl::set_hibernation_allowed(bool allowed)
{
inhibit_allowed_ = allowed;
if (allowed && have_inhibit_cookie_)
{
gtr_uninhibit_hibernation(inhibit_cookie_);
have_inhibit_cookie_ = false;
}
if (!allowed && !have_inhibit_cookie_ && !dbus_error_)
{
if (gtr_inhibit_hibernation(inhibit_cookie_))
{
have_inhibit_cookie_ = true;
}
else
{
dbus_error_ = true;
}
}
}
void Session::Impl::maybe_inhibit_hibernation()
{
/* hibernation is allowed if EITHER
* (a) the "inhibit" pref is turned off OR
* (b) there aren't any active torrents */
bool const hibernation_allowed = !gtr_pref_flag_get(TR_KEY_inhibit_desktop_hibernation) || get_active_torrent_count() == 0;
set_hibernation_allowed(hibernation_allowed);
}
/**
*** Prefs
**/
void Session::Impl::commit_prefs_change(tr_quark const key)
{
signal_prefs_changed.emit(key);
gtr_pref_save(session_);
}
void Session::set_pref(tr_quark const key, std::string const& newval)
{
if (newval != gtr_pref_string_get(key))
{
gtr_pref_string_set(key, newval);
impl_->commit_prefs_change(key);
}
}
void Session::set_pref(tr_quark const key, bool newval)
{
if (newval != gtr_pref_flag_get(key))
{
gtr_pref_flag_set(key, newval);
impl_->commit_prefs_change(key);
}
}
void Session::set_pref(tr_quark const key, int newval)
{
if (newval != gtr_pref_int_get(key))
{
gtr_pref_int_set(key, newval);
impl_->commit_prefs_change(key);
}
}
void Session::set_pref(tr_quark const key, double newval)
{
if (gtr_compare_double(newval, gtr_pref_double_get(key), 4))
{
gtr_pref_double_set(key, newval);
impl_->commit_prefs_change(key);
}
}
/***
****
**** RPC Interface
****
***/
/* #define DEBUG_RPC */
namespace
{
int64_t nextTag = 1;
typedef void (*server_response_func)(Session* core, tr_variant* response, gpointer user_data);
std::map<int64_t, std::function<void(tr_variant*)>> pendingRequests;
bool core_read_rpc_response_idle(tr_variant* response)
{
if (int64_t tag = 0; tr_variantDictFindInt(response, TR_KEY_tag, &tag))
{
if (auto const data_it = pendingRequests.find(tag); data_it != pendingRequests.end())
{
if (auto const& response_func = data_it->second; response_func)
{
response_func(response);
}
pendingRequests.erase(data_it);
}
else
{
g_warning("Pending RPC request for tag %" PRId64 " not found", tag);
}
}
tr_variantFree(response);
delete response;
return false;
}
void core_read_rpc_response(tr_session* /*session*/, tr_variant* response, void* /*user_data*/)
{
auto* response_copy = new tr_variant(std::move(*response));
tr_variantInitBool(response, false);
Glib::signal_idle().connect([response_copy]() { return core_read_rpc_response_idle(response_copy); });
}
} // namespace
void Session::Impl::send_rpc_request(
tr_variant const* request,
int64_t tag,
std::function<void(tr_variant*)> const& response_func)
{
if (session_ == nullptr)
{
g_error("GTK+ client doesn't support connections to remote servers yet.");
}
else
{
/* remember this request */
pendingRequests.try_emplace(tag, response_func);
/* 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]", TR_ARG_TUPLE((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, nullptr);
}
}
/***
**** Sending a test-port request via RPC
***/
void Session::port_test()
{
auto const tag = nextTag;
++nextTag;
tr_variant request;
tr_variantInitDict(&request, 2);
tr_variantDictAddStrView(&request, TR_KEY_method, "port-test");
tr_variantDictAddInt(&request, TR_KEY_tag, tag);
impl_->send_rpc_request(
&request,
tag,
[this](auto* response)
{
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;
}
impl_->signal_port_tested.emit(is_open);
});
tr_variantFree(&request);
}
/***
**** Updating a blocklist via RPC
***/
void Session::blocklist_update()
{
auto const tag = nextTag;
++nextTag;
tr_variant request;
tr_variantInitDict(&request, 2);
tr_variantDictAddStrView(&request, TR_KEY_method, "blocklist-update");
tr_variantDictAddInt(&request, TR_KEY_tag, tag);
impl_->send_rpc_request(
&request,
tag,
[this](auto* response)
{
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());
}
impl_->signal_blocklist_updated.emit(ruleCount);
});
tr_variantFree(&request);
}
/***
****
***/
void Session::exec(tr_variant const* top)
{
auto const tag = nextTag;
++nextTag;
impl_->send_rpc_request(top, tag, {});
}
/***
****
***/
size_t Session::get_torrent_count() const
{
return impl_->get_raw_model()->children().size();
}
size_t Session::get_active_torrent_count() const
{
return impl_->get_active_torrent_count();
}
size_t Session::Impl::get_active_torrent_count() const
{
size_t activeCount = 0;
for (auto const& row : raw_model_->children())
{
if (row.get_value(torrent_cols.activity) != TR_STATUS_STOPPED)
{
++activeCount;
}
}
return activeCount;
}
tr_torrent* Session::find_torrent(int id) const
{
tr_torrent* tor = nullptr;
if (auto* const session = impl_->get_session(); session != nullptr)
{
tor = tr_torrentFindFromId(session, id);
}
return tor;
}
void Session::open_folder(int torrent_id)
{
auto const* tor = find_torrent(torrent_id);
if (tor != nullptr)
{
bool const single = tr_torrentFileCount(tor) == 1;
char const* currentDir = tr_torrentGetCurrentDir(tor);
if (single)
{
gtr_open_file(currentDir);
}
else
{
gtr_open_file(Glib::build_filename(currentDir, tr_torrentName(tor)));
}
}
}
sigc::signal<void(Session::ErrorCode, Glib::ustring const&)>& Session::signal_add_error()
{
return impl_->signal_add_error;
}
sigc::signal<void(tr_ctor*)>& Session::signal_add_prompt()
{
return impl_->signal_add_prompt;
}
sigc::signal<void(int)>& Session::signal_blocklist_updated()
{
return impl_->signal_blocklist_updated;
}
sigc::signal<void(bool)>& Session::signal_busy()
{
return impl_->signal_busy;
}
sigc::signal<void(tr_quark)>& Session::signal_prefs_changed()
{
return impl_->signal_prefs_changed;
}
sigc::signal<void(bool)>& Session::signal_port_tested()
{
return impl_->signal_port_tested;
}
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