1 files changed, 116 insertions, 0 deletions
diff --git a/src/server/Broadcaster.cpp b/src/server/Broadcaster.cpp
new file mode 100644
index 00000000..0b4e95d5
--- /dev/null
+++ b/src/server/Broadcaster.cpp
@@ -0,0 +1,116 @@
+/*
+  This file is part of Ingen.
+  Copyright 2007-2012 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <cassert>
+#include <unistd.h>
+
+#include "ingen/Interface.hpp"
+#include "raul/log.hpp"
+
+#include "Broadcaster.hpp"
+#include "EdgeImpl.hpp"
+#include "EngineStore.hpp"
+#include "ObjectSender.hpp"
+#include "PluginImpl.hpp"
+#include "util.hpp"
+
+#define LOG(s) (s("[Broadcaster] "))
+
+namespace Ingen {
+namespace Server {
+
+/** Register a client to receive messages over the notification band.
+ */
+void
+Broadcaster::register_client(const Raul::URI&     uri,
+                             SharedPtr<Interface> client)
+{
+	Glib::Mutex::Lock lock(_clients_mutex);
+	LOG(Raul::info)(Raul::fmt("Registered client <%1%>\n") % uri);
+	_clients[uri] = client;
+}
+
+/** Remove a client from the list of registered clients.
+ *
+ * @return true if client was found and removed.
+ */
+bool
+Broadcaster::unregister_client(const Raul::URI& uri)
+{
+	Glib::Mutex::Lock lock(_clients_mutex);
+	const size_t erased = _clients.erase(uri);
+
+	if (erased > 0) {
+		LOG(Raul::info)(Raul::fmt("Unregistered client <%1%>\n") % uri);
+	}
+
+	return (erased > 0);
+}
+
+/** Looks up the client with the given source @a uri (which is used as the
+ * unique identifier for registered clients).
+ */
+SharedPtr<Interface>
+Broadcaster::client(const Raul::URI& uri)
+{
+	Glib::Mutex::Lock lock(_clients_mutex);
+	Clients::iterator i = _clients.find(uri);
+	if (i != _clients.end()) {
+		return (*i).second;
+	} else {
+		return SharedPtr<Interface>();
+	}
+}
+
+void
+Broadcaster::send_plugins(const NodeFactory::Plugins& plugins)
+{
+	Glib::Mutex::Lock lock(_clients_mutex);
+	for (Clients::const_iterator c = _clients.begin(); c != _clients.end(); ++c) {
+		send_plugins_to((*c).second.get(), plugins);
+	}
+}
+
+void
+Broadcaster::send_plugins_to(Interface*                  client,
+                             const NodeFactory::Plugins& plugins)
+{
+	client->bundle_begin();
+
+	for (NodeFactory::Plugins::const_iterator i = plugins.begin(); i != plugins.end(); ++i) {
+		const PluginImpl* const plugin = i->second;
+		client->put(plugin->uri(), plugin->properties());
+	}
+
+	client->bundle_end();
+}
+
+/** Send an object to all clients.
+ *
+ * @param o         Object to send
+ * @param recursive If true send all children of object
+ */
+void
+Broadcaster::send_object(const GraphObjectImpl* o, bool recursive)
+{
+	Glib::Mutex::Lock lock(_clients_mutex);
+	for (Clients::const_iterator i = _clients.begin(); i != _clients.end(); ++i) {
+		ObjectSender::send_object((*i).second.get(), o, recursive);
+	}
+}
+
+} // namespace Server
+} // namespace Ingen