1 files changed, 116 insertions, 0 deletions
diff --git a/src/server/ClientBroadcaster.cpp b/src/server/ClientBroadcaster.cpp
new file mode 100644
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--- /dev/null
+++ b/src/server/ClientBroadcaster.cpp
@@ -0,0 +1,116 @@
+/* This file is part of Ingen.
+ * Copyright 2007-2011 David 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 <cassert>
+#include <unistd.h>
+#include "raul/log.hpp"
+#include "ingen/ClientInterface.hpp"
+#include "ClientBroadcaster.hpp"
+#include "PluginImpl.hpp"
+#include "ConnectionImpl.hpp"
+#include "EngineStore.hpp"
+#include "ObjectSender.hpp"
+#include "util.hpp"
+
+#define LOG(s) s << "[ClientBroadcaster] "
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+namespace Server {
+
+/** Register a client to receive messages over the notification band.
+ */
+void
+ClientBroadcaster::register_client(const URI& uri, ClientInterface* client)
+{
+	Clients::iterator i = _clients.find(uri);
+
+	if (i == _clients.end()) {
+		_clients[uri] = client;
+		LOG(info) << "Registered client: " << uri << endl;
+	} else {
+		LOG(warn) << "Client already registered: " << uri << endl;
+	}
+}
+
+/** Remove a client from the list of registered clients.
+ *
+ * @return true if client was found and removed.
+ */
+bool
+ClientBroadcaster::unregister_client(const URI& uri)
+{
+	size_t erased = _clients.erase(uri);
+
+	if (erased > 0)
+		LOG(info) << "Unregistered client: " << uri << endl;
+	else
+		LOG(warn) << "Failed to find client to unregister: " << uri << endl;
+
+	return (erased > 0);
+}
+
+/** Looks up the client with the given source @a uri (which is used as the
+ * unique identifier for registered clients).
+ */
+ClientInterface*
+ClientBroadcaster::client(const URI& uri)
+{
+	Clients::iterator i = _clients.find(uri);
+	if (i != _clients.end()) {
+		return (*i).second;
+	} else {
+		return NULL;
+	}
+}
+
+void
+ClientBroadcaster::send_plugins(const NodeFactory::Plugins& plugins)
+{
+	for (Clients::const_iterator c = _clients.begin(); c != _clients.end(); ++c)
+		send_plugins_to((*c).second, plugins);
+}
+
+void
+ClientBroadcaster::send_plugins_to(ClientInterface* 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
+ClientBroadcaster::send_object(const GraphObjectImpl* o, bool recursive)
+{
+	for (Clients::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+		ObjectSender::send_object((*i).second, o, recursive);
+}
+
+} // namespace Server
+} // namespace Ingen