Made engine, serialisation, client library, and GUI all dynamically loaded modules.

Combined all executables into a single "ingen" program which can do everything.


git-svn-id: http://svn.drobilla.net/lad/ingen@493 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 426 insertions, 0 deletions

diff --git a/src/libs/gui/ConnectWindow.cpp b/src/libs/gui/ConnectWindow.cpp
new file mode 100644
index 00000000..367a38fc
--- /dev/null
+++ b/src/libs/gui/ConnectWindow.cpp
@@ -0,0 +1,426 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <string>
+#include <time.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <raul/Process.h>
+#include "config.h"
+#include "interface/ClientKey.h"
+#include "interface/EngineInterface.h"
+#include "engine/tuning.h"
+#include "engine/Engine.h"
+#include "engine/DirectResponder.h"
+#include "engine/QueuedEngineInterface.h"
+#include "client/OSCClientReceiver.h"
+#include "client/OSCEngineSender.h"
+#include "client/ThreadedSigClientInterface.h"
+#include "client/Store.h"
+#include "client/PatchModel.h"
+#include "module/Module.h"
+#include "App.h"
+#include "WindowFactory.h"
+#include "ConnectWindow.h"
+using Ingen::QueuedEngineInterface;
+using Ingen::Client::ThreadedSigClientInterface;
+
+namespace Ingen {
+namespace GUI {
+
+
+// Paste together some interfaces to get the combination we want
+
+
+struct OSCSigEmitter : public OSCClientReceiver, public ThreadedSigClientInterface {
+	OSCSigEmitter(size_t queue_size, int listen_port)
+		: Ingen::Shared::ClientInterface()
+		, OSCClientReceiver(listen_port)
+		, ThreadedSigClientInterface(queue_size)
+	{
+	}
+};
+
+
+// ConnectWindow
+
+
+ConnectWindow::ConnectWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& xml)
+	: Gtk::Dialog(cobject)
+	, _mode(CONNECT_REMOTE)
+	, _ping_id(-1)
+	, _attached(false)
+	, _connect_stage(0)
+	, _new_engine(NULL)
+{
+	xml->get_widget("connect_icon",                 _icon);
+	xml->get_widget("connect_progress_bar",         _progress_bar);
+	xml->get_widget("connect_progress_label",       _progress_label);
+	xml->get_widget("connect_server_radiobutton",   _server_radio);
+	xml->get_widget("connect_url_entry",            _url_entry);
+	xml->get_widget("connect_launch_radiobutton",   _launch_radio);
+	xml->get_widget("connect_port_spinbutton",      _port_spinbutton);
+	xml->get_widget("connect_internal_radiobutton", _internal_radio);
+	xml->get_widget("connect_disconnect_button",    _disconnect_button);
+	xml->get_widget("connect_connect_button",       _connect_button);
+	xml->get_widget("connect_quit_button",          _quit_button);
+
+	_server_radio->signal_toggled().connect(sigc::mem_fun(this, &ConnectWindow::server_toggled));
+	_launch_radio->signal_toggled().connect(sigc::mem_fun(this, &ConnectWindow::launch_toggled));
+	_internal_radio->signal_clicked().connect(sigc::mem_fun(this, &ConnectWindow::internal_toggled));
+	_disconnect_button->signal_clicked().connect(sigc::mem_fun(this, &ConnectWindow::disconnect));
+	_connect_button->signal_clicked().connect(sigc::mem_fun(this, &ConnectWindow::connect));
+	_quit_button->signal_clicked().connect(sigc::mem_fun(this, &ConnectWindow::quit));
+
+	_engine_module = Ingen::Shared::load_module("ingen_engine");
+
+	if (!_engine_module) {
+		cerr << "Unable to load ingen_engine module, internal engine unavailable." << endl;
+		cerr << "If you are running from the source tree, run ingenuity_dev." << endl;
+	}
+
+	bool found = _engine_module->get_symbol("new_engine", (void*&)_new_engine);
+
+	if (!found) {
+		cerr << "Unable to find module entry point, internal engine unavailable." << endl;
+		_engine_module.reset();
+	}
+}
+
+
+void
+ConnectWindow::start()
+{
+	resize(100, 100);
+	init();
+	show();
+	connect();
+}
+
+
+void
+ConnectWindow::init()
+{
+	_icon->set(Gtk::Stock::DISCONNECT, Gtk::ICON_SIZE_LARGE_TOOLBAR);
+	_progress_bar->set_fraction(0.0);
+	_url_entry->set_sensitive(true);
+	_connect_button->set_sensitive(true);
+	_disconnect_button->set_sensitive(false);
+	_port_spinbutton->set_sensitive(false);
+	_launch_radio->set_sensitive(true);
+	if (_new_engine)
+		_internal_radio->set_sensitive(true);
+	else
+		_internal_radio->set_sensitive(false);
+	server_toggled();
+		
+	_progress_label->set_text(string("Disconnected"));
+}
+
+
+/** Launch (if applicable) and connect to the Engine.
+ *
+ * This will create the EngineInterface and ClientInterface and initialize
+ * the App with them.
+ */
+void
+ConnectWindow::connect()
+{
+	assert(!_attached);
+	assert(!App::instance().engine());
+	assert(!App::instance().client());
+
+	_connect_button->set_sensitive(false);
+	_disconnect_button->set_label("gtk-cancel");
+	_disconnect_button->set_sensitive(true);
+
+	_connect_stage = 0;
+
+	if (_mode == CONNECT_REMOTE) {
+		SharedPtr<EngineInterface> engine(
+			new OSCEngineSender(_url_entry->get_text()));
+
+		OSCSigEmitter* ose = new OSCSigEmitter(1024, 16181); // FIXME: args
+		SharedPtr<SigClientInterface> client(ose);
+		App::instance().attach(engine, client);
+
+		Glib::signal_timeout().connect(
+			sigc::mem_fun(this, &ConnectWindow::gtk_callback), 100);
+		
+		Glib::signal_timeout().connect(
+			sigc::mem_fun(ose, &ThreadedSigClientInterface::emit_signals), 2, G_PRIORITY_HIGH_IDLE);
+
+	} else if (_mode == LAUNCH_REMOTE) {
+
+		int port = _port_spinbutton->get_value_as_int();
+		char port_str[6];
+		snprintf(port_str, 6, "%u", port);
+		const string cmd = string("ingen --port=").append(port_str);
+
+		if (Raul::Process::launch(cmd)) {
+		SharedPtr<EngineInterface> engine(
+				new OSCEngineSender(string("osc.udp://localhost:").append(port_str)));
+
+		OSCSigEmitter* ose = new OSCSigEmitter(1024, 16181); // FIXME: args
+		SharedPtr<SigClientInterface> client(ose);
+		App::instance().attach(engine, client);
+
+		Glib::signal_timeout().connect(
+				sigc::mem_fun(this, &ConnectWindow::gtk_callback), 100);
+
+		Glib::signal_timeout().connect(
+				sigc::mem_fun(ose, &ThreadedSigClientInterface::emit_signals),
+				2, G_PRIORITY_HIGH_IDLE);
+		} else {
+			cerr << "Failed to launch ingen process." << endl;
+		}
+
+	} else if (_mode == INTERNAL) {
+		assert(_new_engine);
+		SharedPtr<Ingen::Engine> engine(_new_engine());
+		
+		engine->start_jack_driver();
+		
+		SharedPtr<Ingen::EngineInterface> engine_interface = engine->new_queued_interface();
+
+		ThreadedSigClientInterface* tsci = new ThreadedSigClientInterface(Ingen::event_queue_size);
+		SharedPtr<SigClientInterface> client(tsci);
+		
+		App::instance().attach(engine_interface, client);
+
+		engine_interface->set_responder(SharedPtr<Ingen::Shared::Responder>(new Ingen::DirectResponder(client, 1)));
+
+		//engine->set_event_source(engine_interface);
+
+		engine->activate();
+
+		Glib::signal_timeout().connect(
+			sigc::mem_fun(engine.get(), &Ingen::Engine::main_iteration), 1000);
+		
+		Glib::signal_timeout().connect(
+			sigc::mem_fun(this, &ConnectWindow::gtk_callback), 100);
+		
+		Glib::signal_timeout().connect(
+			sigc::mem_fun(tsci, &ThreadedSigClientInterface::emit_signals), 2, G_PRIORITY_HIGH_IDLE);
+	}
+}
+
+
+void
+ConnectWindow::disconnect()
+{
+	_connect_stage = -1;
+	_attached = false;
+
+	_progress_bar->set_fraction(0.0);
+	_connect_button->set_sensitive(false);
+	_disconnect_button->set_sensitive(false);
+
+	App::instance().detach();
+
+	init();
+	
+	_connect_button->set_sensitive(true);
+	_disconnect_button->set_sensitive(false);
+}
+
+
+void
+ConnectWindow::quit()
+{
+	if (_attached) {
+		Gtk::MessageDialog d(*this, "This will exit the GUI, but the engine will "
+			"remain running (if it is remote).\n\nAre you sure you want to quit?",
+			true, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_NONE, true);
+			d.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+			d.add_button(Gtk::Stock::QUIT, Gtk::RESPONSE_CLOSE);
+		int ret = d.run();
+		if (ret == Gtk::RESPONSE_CLOSE)
+			Gtk::Main::quit();
+	} else {
+		Gtk::Main::quit();
+	}
+}
+
+
+void
+ConnectWindow::server_toggled()
+{
+	_url_entry->set_sensitive(true);
+	_port_spinbutton->set_sensitive(false);
+	_mode = CONNECT_REMOTE;
+}
+
+
+void
+ConnectWindow::launch_toggled()
+{
+	_url_entry->set_sensitive(false);
+	_port_spinbutton->set_sensitive(true);
+	_mode = LAUNCH_REMOTE;
+}
+
+
+void
+ConnectWindow::internal_toggled()
+{
+	_url_entry->set_sensitive(false);
+	_port_spinbutton->set_sensitive(false);
+	_mode = INTERNAL;
+}
+
+
+bool
+ConnectWindow::gtk_callback()
+{
+	/* This isn't very nice (isn't threaded), but better than no dialog at 
+	 * all like before :)
+	 */
+	
+	// Timing stuff for repeated attach attempts
+	timeval now;
+	gettimeofday(&now, NULL);
+	static timeval last = now;
+	
+	/* Connecting to engine */
+	if (_connect_stage == 0) {
+
+		assert(!_attached);
+		assert(App::instance().engine());
+		assert(App::instance().client());
+
+		// FIXME
+		//assert(!App::instance().engine()->is_attached());
+		_progress_label->set_text("Connecting to engine...");
+		present();
+
+		App::instance().client()->response_sig.connect(sigc::mem_fun(this, &ConnectWindow::response_received));
+
+		_ping_id = rand();
+		while (_ping_id == -1)
+			_ping_id = rand();
+
+		App::instance().engine()->set_next_response_id(_ping_id);
+		App::instance().engine()->ping();
+		++_connect_stage;
+
+
+	} else if (_connect_stage == 1) {
+		if (_attached) {
+			App::instance().engine()->activate();
+			++_connect_stage;
+		} else {
+			const float ms_since_last = (now.tv_sec - last.tv_sec) * 1000.0f +
+				(now.tv_usec - last.tv_usec) * 0.001f;
+			if (ms_since_last > 1000) {
+				App::instance().engine()->set_next_response_id(_ping_id);
+				App::instance().engine()->ping();
+				last = now;
+			}
+		}
+	} else if (_connect_stage == 2) {
+		_progress_label->set_text(string("Registering as client..."));
+		//App::instance().engine()->register_client(App::instance().engine()->client_hooks());
+		// FIXME
+		//auto_ptr<ClientInterface> client(new ThreadedSigClientInterface();
+		App::instance().engine()->register_client(ClientKey(), App::instance().client());
+		App::instance().engine()->load_plugins();
+		++_connect_stage;
+	} else if (_connect_stage == 3) {
+		// Register idle callback to process events and whatnot
+		// (Gtk refreshes at priority G_PRIORITY_HIGH_IDLE+20)
+		/*Glib::signal_timeout().connect(
+			sigc::mem_fun(this, &App::idle_callback), 100, G_PRIORITY_HIGH_IDLE);*/
+		//Glib::signal_idle().connect(sigc::mem_fun(this, &App::idle_callback));
+	/*	Glib::signal_timeout().connect(
+			sigc::mem_fun((ThreadedSigClientInterface*)_client, &ThreadedSigClientInterface::emit_signals),
+			5, G_PRIORITY_DEFAULT_IDLE);*/
+		
+		_progress_label->set_text(string("Requesting plugins..."));
+		App::instance().engine()->request_plugins();
+		++_connect_stage;
+	} else if (_connect_stage == 4) {
+		// Wait for first plugins message
+		if (App::instance().store()->plugins().size() > 0) {
+			_progress_label->set_text(string("Receiving plugins..."));
+			++_connect_stage;
+		}
+	} else if (_connect_stage == 5) {
+		// FIXME
+		/*if (App::instance().store().plugins().size() < _client->num_plugins()) {
+			static char buf[32];
+			snprintf(buf, 32, "%zu/%zu", App::instance().store().plugins().size(),
+				ThreadedSigClientInterface::instance()->num_plugins());
+			_progress_bar->set_text(Glib::ustring(buf));
+			_progress_bar->set_fraction(
+				App::instance().store().plugins().size() / (double)_client->num_plugins());
+		} else {*/
+			_progress_bar->set_text("");
+			++_connect_stage;
+		//}
+	} else if (_connect_stage == 6) {
+		_progress_label->set_text(string("Waiting for root patch..."));
+		App::instance().engine()->request_all_objects();
+		++_connect_stage;
+	} else if (_connect_stage == 7) {
+		if (App::instance().store()->objects().size() > 0) {
+			SharedPtr<PatchModel> root = PtrCast<PatchModel>(App::instance().store()->object("/"));
+			assert(root);
+			App::instance().window_factory()->present_patch(root);
+			++_connect_stage;
+		}
+	} else if (_connect_stage == 8) {
+		_progress_label->set_text("Connected to engine");
+		++_connect_stage;
+	} else if (_connect_stage == 9) {
+		++_connect_stage;
+		hide();
+	} else if (_connect_stage == 10) {
+		_icon->set(Gtk::Stock::CONNECT, Gtk::ICON_SIZE_LARGE_TOOLBAR);
+		_progress_bar->set_fraction(1.0);
+		_url_entry->set_sensitive(false);
+		_connect_button->set_sensitive(false);
+		_disconnect_button->set_label("gtk-disconnect");
+		_disconnect_button->set_sensitive(true);
+		_port_spinbutton->set_sensitive(false);
+		_launch_radio->set_sensitive(false);
+		_internal_radio->set_sensitive(false);
+		_connect_stage = 0; // set ourselves up for next time (if there is one)
+		return false; // deregister this callback
+	}
+	
+	if (_connect_stage != 5) // yeah, ew
+		_progress_bar->pulse();
+	
+	if (_connect_stage == -1) { // we were cancelled
+		_icon->set(Gtk::Stock::DISCONNECT, Gtk::ICON_SIZE_LARGE_TOOLBAR);
+		_progress_bar->set_fraction(0.0);
+		_connect_button->set_sensitive(true);
+		_disconnect_button->set_sensitive(false);
+		_disconnect_button->set_label("gtk-disconnect");
+		_progress_label->set_text(string("Disconnected"));
+		return false;
+	} else {
+		return true;
+	}
+}
+
+
+} // namespace GUI
+} // namespace Ingen