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livetrax/libs/surfaces/websockets/ardour_websockets.cc
2020-04-09 20:56:46 +02:00

138 lines
3.6 KiB
C++

/*
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2012-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Ben Loftis <ben@harrisonconsoles.com>
* Copyright (C) 2015-2018 John Emmas <john@creativepost.co.uk>
* Copyright (C) 2015 Johannes Mueller <github@johannes-mueller.org>
* Copyright (C) 2016-2018 Len Ovens <len@ovenwerks.net>
* Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/session.h"
#include "ardour_websockets.h"
using namespace ARDOUR;
using namespace ArdourSurface;
#include "pbd/abstract_ui.cc" // instantiate template
ArdourWebsockets::ArdourWebsockets (Session& s)
: ControlProtocol (s, X_ (surface_name))
, AbstractUI<ArdourWebsocketsUIRequest> (name ())
, _strips (*this)
, _globals (*this)
, _feedback (*this)
, _server (*this)
, _dispatcher (*this)
{
_components.push_back (&_strips);
_components.push_back (&_globals);
_components.push_back (&_server);
_components.push_back (&_feedback);
_components.push_back (&_dispatcher);
}
ArdourWebsockets::~ArdourWebsockets ()
{
stop ();
}
void*
ArdourWebsockets::request_factory (uint32_t num_requests)
{
/* AbstractUI<T>::request_buffer_factory() is a template method only
instantiated in this source module. To provide something visible for
use in the interface/descriptor, we have this static method that is
template-free.
*/
return request_buffer_factory (num_requests);
}
int
ArdourWebsockets::set_active (bool yn)
{
if (yn != active ()) {
if (yn) {
if (start ()) {
return -1;
}
} else {
if (stop ()) {
return -1;
}
}
}
return ControlProtocol::set_active (yn);
}
void
ArdourWebsockets::thread_init ()
{
pthread_set_name (event_loop_name ().c_str ());
PBD::notify_event_loops_about_thread_creation (pthread_self (), event_loop_name (), 2048);
SessionEvent::create_per_thread_pool (event_loop_name (), 128);
}
void
ArdourWebsockets::do_request (ArdourWebsocketsUIRequest* req)
{
if (req->type == CallSlot) {
call_slot (MISSING_INVALIDATOR, req->the_slot);
} else if (req->type == Quit) {
stop ();
}
}
int
ArdourWebsockets::start ()
{
/* startup the event loop thread */
BaseUI::run ();
for (std::vector<SurfaceComponent*>::iterator it = _components.begin ();
it != _components.end (); ++it) {
int rc = (*it)->start ();
if (rc != 0) {
return -1;
}
}
PBD::info << "ArdourWebsockets: started" << endmsg;
return 0;
}
int
ArdourWebsockets::stop ()
{
for (std::vector<SurfaceComponent*>::iterator it = _components.begin ();
it != _components.end (); ++it) {
(*it)->stop ();
}
BaseUI::quit ();
PBD::info << "ArdourWebsockets: stopped" << endmsg;
return 0;
}