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-rw-r--r--src/engine/ClientBroadcaster.cpp331
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diff --git a/src/engine/ClientBroadcaster.cpp b/src/engine/ClientBroadcaster.cpp
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "ClientBroadcaster.h"
+#include <cassert>
+#include <iostream>
+#include <unistd.h>
+#include "Om.h"
+#include "OmApp.h"
+#include "ObjectStore.h"
+#include "NodeFactory.h"
+#include "util.h"
+#include "Patch.h"
+#include "Node.h"
+#include "PortInfo.h"
+#include "Plugin.h"
+#include "PortBase.h"
+#include "Connection.h"
+#include "AudioDriver.h"
+#include "ObjectSender.h"
+#include "interface/ClientKey.h"
+#include "interface/ClientInterface.h"
+#include "OSCClient.h"
+using std::cout; using std::cerr; using std::endl;
+using Om::Shared::ClientInterface;
+
+namespace Om {
+
+
+/** Register a client to receive messages over the notification band.
+ */
+void
+ClientBroadcaster::register_client(const ClientKey key, CountedPtr<ClientInterface> client)
+{
+ assert(key.type() == ClientKey::OSC_URL);
+ assert(key.uri() != "");
+
+ bool found = false;
+ for (ClientList::iterator i = _clients.begin(); i != _clients.end(); ++i)
+ if ((*i).first == key)
+ found = true;
+
+ if (!found) {
+ _clients.push_back(pair<ClientKey, CountedPtr<ClientInterface> >(key, client));
+ cout << "[ClientBroadcaster] Registered client " << key.uri()
+ << " (" << _clients.size() << " clients)" << endl;
+ } else {
+ cout << "[ClientBroadcaster] Client already registered." << endl;
+ }
+}
+
+
+/** Remove a client from the list of registered clients.
+ *
+ * The removed client is returned (not deleted). It is the caller's
+ * responsibility to delete the returned pointer, if it's not NULL.
+ *
+ * @return true if client was found and removed (and refcount decremented).
+ */
+bool
+ClientBroadcaster::unregister_client(const ClientKey& key)
+{
+ cerr << "FIXME: unregister broken\n";
+ return false;
+
+#if 0
+ if (responder == NULL)
+ return NULL;
+
+ // FIXME: remove filthy cast
+ const string url = lo_address_get_url(((OSCResponder*)responder)->source());
+ ClientInterface* r = NULL;
+
+ for (ClientList::iterator i = _clients.begin(); i != _clients.end(); ++i) {
+ if ((*i).second->url() == url) {
+ r = *i;
+ _clients.erase(i);
+ break;
+ }
+ }
+
+ if (r != NULL)
+ cout << "[OSC] Unregistered client " << r->url() << " (" << _clients.size() << " clients)" << endl;
+ else
+ cerr << "[OSC] ERROR: Unable to find client to unregister!" << endl;
+
+ return r;
+#endif
+}
+
+
+
+/** Looks up the client with the given @a source address (which is used as the
+ * unique identifier for registered clients).
+ *
+ * (A responder is passed to remove the dependency on liblo addresses in request
+ * events, in anticipation of libom and multiple ways of responding to clients).
+ */
+CountedPtr<ClientInterface>
+ClientBroadcaster::client(const ClientKey& key)
+{
+ for (ClientList::iterator i = _clients.begin(); i != _clients.end(); ++i)
+ if ((*i).first == key)
+ return (*i).second;
+
+ cerr << "[ClientBroadcaster] Failed to find client." << endl;
+
+ return NULL;
+}
+
+
+void
+ClientBroadcaster::send_error(const string& msg)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->error(msg);
+}
+
+
+
+void
+ClientBroadcaster::send_plugins_to(ClientInterface* client)
+{
+ om->node_factory()->lock_plugin_list();
+
+ const list<Plugin*>& plugs = om->node_factory()->plugins();
+ const Plugin* plugin;
+
+ lo_timetag tt;
+ lo_timetag_now(&tt);
+ lo_bundle b = lo_bundle_new(tt);
+ lo_message m = lo_message_new();
+ list<lo_message> msgs;
+
+ lo_message_add_int32(m, plugs.size());
+ lo_bundle_add_message(b, "/om/num_plugins", m);
+ msgs.push_back(m);
+
+ for (list<Plugin*>::const_iterator j = plugs.begin(); j != plugs.end(); ++j) {
+ plugin = (*j);
+ m = lo_message_new();
+
+ lo_message_add_string(m, plugin->type_string());
+ lo_message_add_string(m, plugin->uri().c_str());
+ lo_message_add_string(m, plugin->name().c_str());
+ lo_bundle_add_message(b, "/om/plugin", m);
+ msgs.push_back(m);
+ if (lo_bundle_length(b) > 1024) {
+ // FIXME FIXME FIXME dirty, dirty cast
+ lo_send_bundle(((OSCClient*)client)->address(), b);
+ lo_bundle_free(b);
+ b = lo_bundle_new(tt);
+ }
+ }
+
+ if (lo_bundle_length(b) > 0) {
+ // FIXME FIXME FIXME dirty, dirty cast
+ lo_send_bundle(((OSCClient*)client)->address(), b);
+ lo_bundle_free(b);
+ } else {
+ lo_bundle_free(b);
+ }
+ for (list<lo_bundle>::const_iterator i = msgs.begin(); i != msgs.end(); ++i)
+ lo_message_free(*i);
+
+ om->node_factory()->unlock_plugin_list();
+}
+
+
+void
+ClientBroadcaster::send_node(const Node* node)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ ObjectSender::send_node((*i).second.get(), node);
+}
+
+
+void
+ClientBroadcaster::send_port(const Port* port)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ ObjectSender::send_port((*i).second.get(), port);
+}
+
+
+void
+ClientBroadcaster::send_destroyed(const string& path)
+{
+ assert(path != "/");
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->object_destroyed(path);
+}
+
+void
+ClientBroadcaster::send_patch_cleared(const string& patch_path)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->patch_cleared(patch_path);
+}
+
+void
+ClientBroadcaster::send_connection(const Connection* const c)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->connection(c->src_port()->path(), c->dst_port()->path());
+}
+
+
+void
+ClientBroadcaster::send_disconnection(const string& src_port_path, const string& dst_port_path)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->disconnection(src_port_path, dst_port_path);
+}
+
+
+void
+ClientBroadcaster::send_patch_enable(const string& patch_path)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->patch_enabled(patch_path);
+}
+
+
+void
+ClientBroadcaster::send_patch_disable(const string& patch_path)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->patch_disabled(patch_path);
+}
+
+
+/** Send notification of a metadata update.
+ *
+ * Like control changes, does not send update to client that set the metadata, if applicable.
+ */
+void
+ClientBroadcaster::send_metadata_update(const string& node_path, const string& key, const string& value)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->metadata_update(node_path, key, value);
+}
+
+
+/** Send notification of a control change.
+ *
+ * If responder is specified, the notification will not be send to the address of
+ * that responder (to avoid sending redundant information back to clients and
+ * forcing clients to ignore things to avoid feedback loops etc).
+ */
+void
+ClientBroadcaster::send_control_change(const string& port_path, float value)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->control_change(port_path, value);
+}
+
+
+void
+ClientBroadcaster::send_program_add(const string& node_path, int bank, int program, const string& name)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->program_add(node_path, bank, program, name);
+}
+
+
+void
+ClientBroadcaster::send_program_remove(const string& node_path, int bank, int program)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->program_remove(node_path, bank, program);
+}
+
+
+/** Send a patch.
+ *
+ * Sends all objects underneath Patch - contained Nodes, etc.
+ */
+void
+ClientBroadcaster::send_patch(const Patch* const p)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ ObjectSender::send_patch((*i).second.get(), p);
+}
+
+
+/** Sends notification of an OmObject's renaming
+ */
+void
+ClientBroadcaster::send_rename(const string& old_path, const string& new_path)
+{
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ (*i).second->object_renamed(old_path, new_path);
+}
+
+
+/** Sends all OmObjects known to the engine.
+ */
+void
+ClientBroadcaster::send_all_objects()
+{
+ cerr << "FIXME: send_all" << endl;
+
+ //for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ // (*i).second->send_all_objects();
+}
+
+/*
+void
+ClientBroadcaster::send_node_creation_messages(const Node* const node)
+{
+ // This is pretty stupid :/ in and out and back again!
+ for (ClientList::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+ node->send_creation_messages((*i).second);
+}
+*/
+
+} // namespace Om