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Diffstat (limited to 'src/libs/engine/OSCClient.cpp')
| -rw-r--r-- | src/libs/engine/OSCClient.cpp | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/src/libs/engine/OSCClient.cpp b/src/libs/engine/OSCClient.cpp new file mode 100644 index 00000000..332a2144 --- /dev/null +++ b/src/libs/engine/OSCClient.cpp @@ -0,0 +1,503 @@ +/* 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 "OSCClient.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 "interface/ClientInterface.h" +#include "Responder.h" + +using std::cout; using std::cerr; using std::endl; + +namespace Om { + + +/*! \page client_osc_namespace Client OSC Namespace Documentation + * + * <p>These are all the messages sent from the engine to the client. Om + * communication takes place over two distinct bands: control band and + * notification band.</p> + * <p>The control band is where clients send commands, and receive a simple + * response, either OK or an error.</p> + * <p>All notifications of engine state (ie new nodes) are sent over the + * notification band <em>which is seperate from the control band</em>. The + * reasoning behind this is that many clients may be connected at the same + * time - a client may receive notifications that are not a direct consequence + * of some message it sent.</p> + * <p>The notification band can be thought of as a stream of events representing + * the changing engine state. For example, It is possible for a client to send + * commands and receive aknowledgements, and not listen to the notification band + * at all; or (in the near future anyway) for a client to use UDP for the control + * band (for speed), and TCP for the notification band (for reliability and + * order guarantees).</p> + * \n\n + */ + + +/* Documentation for namespace portion implemented in Responder.cpp */ + +/** \page client_osc_namespace + * \n + * <h3>Notification Band</h3> + */ + +/** \page client_osc_namespace + * <p> \b /om/response/ok - Respond successfully to a user command + * \arg \b responder-id (int) - Responder ID this is a response to + * </p> \n \n + */ + +/** \page client_osc_namespace + * <p> \b /om/response/error - Respond negatively to a user command + * \arg \b responder-id (int) - Request ID this is a response to + * \arg \b message (string) - Error message (natural language text) + * </p> \n \n + */ + + + +/** \page client_osc_namespace + * \n + * <h3>Notification Band</h3> + */ + +/** \page client_osc_namespace + * <p> \b /om/error - Notification that an error has occurred + * \arg \b message (string) - Error message (natural language text) + * + * \li This is for notification of errors that aren't a direct response to a + * user command, ie "unexpected" errors.</p> \n \n + */ +void +OSCClient::error(const string& msg) +{ + lo_send(_address, "/om/error", "s", msg.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/num_plugins + * \arg \b num (int) - Number of plugins engine has loaded + * \li This is sent before sending the list of plugins, so the client is aware + * of how many plugins (/om/plugin messages) to expect.</p> \n \n + */ + + +/** \page client_osc_namespace + * <p> \b /om/num_plugins + * \arg \b num (int) - Number of plugins engine has loaded + * \li This is sent before sending the list of plugins, so the client is aware + * of how many plugins (/om/plugin messages) to expect.</p> \n \n + */ +void +OSCClient::num_plugins(uint32_t num) +{ + lo_message m = lo_message_new(); + lo_message_add_int32(m, num); + lo_send_message(_address, "/om/num_plugins", m); +} + + +/** \page client_osc_namespace + * <p> \b /om/plugin - Notification of the existance of a plugin + * \arg \b type (string) - Type if plugin ("LADSPA", "DSSI", or "Internal") + * \arg \b uri (string) - URI of the plugin (see engine namespace documentation) \n + * \arg \b lib-name (string) - Name of shared library plugin resides in (ie "cmt.so") + * \arg \b plug-label (string) - Label of the plugin (ie "dahdsr_iaoa") + * \arg \b name (string) - Descriptive human-readable name of plugin (ie "ADSR Envelope") + * </p> \n \n + */ +/* +void +OSCClient::plugins() +{ + 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->plug_label().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) { + lo_send_bundle(_address, b); + lo_bundle_free(b); + b = lo_bundle_new(tt); + } + } + + if (lo_bundle_length(b) > 0) { + lo_send_bundle(_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(); +} +*/ + +/** \page client_osc_namespace + * <p> \b /om/new_node - Notification of a new node's creation. + * \arg \b plug-uri (string) - URI of the plugin new node is an instance of + * \arg \b path (string) - Path of the new node + * \arg \b polyphonic (integer-boolean) - Node is polyphonic (1 = yes, 0 = no) + * \arg \b num-ports (integer) - Number of ports (number of new_port messages to expect) + * \li New nodes are sent as a bundle. The first message in the bundle will be + * this one (/om/new_node), followed by a series of /om/new_port commands, + * followed by /om/new_node_end. </p> \n \n + */ +void OSCClient::new_node(const string& plugin_type, + const string& plugin_uri, + const string& node_path, + bool is_polyphonic, + uint32_t num_ports) +{ + lo_send(_address, "/om/new_node", "sssii", plugin_type.c_str(), plugin_uri.c_str(), + node_path.c_str(), is_polyphonic ? 1 : 0, num_ports); +#if 0 + /* + 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_string(m, plugin_type.c_str()); + lo_message_add_string(m, plugin_uri.c_str()); + lo_message_add_string(m, node_path.c_str()); + lo_message_add_int32(m, is_polyphonic ? 1 : 0); + lo_message_add_int32(m, num_ports); + + lo_bundle_add_message(b, "/om/new_node", m); + msgs.push_back(m); +*/ + + + /* + const Array<Port*>& ports = node->ports(); + Port* port; + PortInfo* info; + for (size_t j=0; j < ports.size(); ++j) { + port = ports.at(j); + info = port->port_info(); + + assert(port != NULL); + assert(info != NULL); + + m = lo_message_new(); + lo_message_add_string(m, port->path().c_str()); + lo_message_add_string(m, info->type_string().c_str()); + lo_message_add_string(m, info->direction_string().c_str()); + lo_message_add_string(m, info->hint_string().c_str()); + lo_message_add_float(m, info->default_val()); + lo_message_add_float(m, info->min_val()); + lo_message_add_float(m, info->max_val()); + lo_bundle_add_message(b, "/om/new_port", m); + msgs.push_back(m); + + // If the bundle is getting very large, send it and start + // a new one + if (lo_bundle_length(b) > 1024) { + lo_send_bundle(_address, b); + lo_bundle_free(b); + b = lo_bundle_new(tt); + } + } +*/ + /*m = lo_message_new(); + //lo_bundle_add_message(b, "/om/new_node_end", m); + //msgs.push_back(m); + + lo_send_bundle(_address, b); + lo_bundle_free(b); + + for (list<lo_bundle>::const_iterator i = msgs.begin(); i != msgs.end(); ++i) + lo_message_free(*i); + + usleep(100); +*/ + /* + const map<string, string>& data = node->metadata(); + // Send node metadata + for (map<string, string>::const_iterator i = data.begin(); i != data.end(); ++i) + metadata_update(node->path(), (*i).first, (*i).second); + + + // Send port metadata + for (size_t j=0; j < ports.size(); ++j) { + port = ports.at(j); + const map<string, string>& data = port->metadata(); + for (map<string, string>::const_iterator i = data.begin(); i != data.end(); ++i) + metadata_update(port->path(), (*i).first, (*i).second); + } + + // Send control values + for (size_t i=0; i < node->ports().size(); ++i) { + PortBase<sample>* port = (PortBase<sample>*)node->ports().at(i); + if (port->port_info()->is_input() && port->port_info()->is_control()) + control_change(port->path(), port->buffer(0)->value_at(0)); + } + */ +#endif +} + + + +/** \page client_osc_namespace + * <p> \b /om/new_port - Notification of a new port's creation. + * \arg \b path (string) - Path of new port + * \arg \b data-type (string) - Type of port (CONTROL or AUDIO) + * \arg \b direction ("is-output") (integer) - Direction of data flow (Input = 0, Output = 1) + * + * \li Note that in the event of loading a patch, this message could be + * followed immediately by a control change, meaning the default-value is + * not actually the current value of the port. + * \li The minimum and maximum values are suggestions only, they are not + * enforced in any way, and going outside them is perfectly fine. Also note + * that the port ranges in om_gtk are not these ones! Those ranges are set + * as metadata.</p> \n \n + */ +void +OSCClient::new_port(const string& path, + const string& data_type, + bool is_output) +{ + //PortInfo* info = port->port_info(); + + lo_send(_address, "/om/new_port", "ssi", path.c_str(), data_type.c_str(), is_output); + + // Send metadata + /*const map<string, string>& data = port->metadata(); + for (map<string, string>::const_iterator i = data.begin(); i != data.end(); ++i) + metadata_update(port->path(), (*i).first, (*i).second);*/ +} + + +/** \page client_osc_namespace + * <p> \b /om/destroyed - Notification an object has been destroyed + * \arg \b path (string) - Path of object (which no longer exists) </p> \n \n + */ +void +OSCClient::object_destroyed(const string& path) +{ + assert(path != "/"); + + lo_send(_address, "/om/destroyed", "s", path.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/patch_cleared - Notification a patch has been cleared (all children destroyed) + * \arg \b path (string) - Path of patch (which is now empty)</p> \n \n + */ +void +OSCClient::patch_cleared(const string& patch_path) +{ + lo_send(_address, "/om/patch_cleared", "s", patch_path.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/patch_enabled - Notification a patch's DSP processing has been enabled. + * \arg \b path (string) - Path of enabled patch</p> \n \n + */ +void +OSCClient::patch_enabled(const string& patch_path) +{ + lo_send(_address, "/om/patch_enabled", "s", patch_path.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/patch_disabled - Notification a patch's DSP processing has been disabled. + * \arg \b path (string) - Path of disabled patch</p> \n \n + */ +void +OSCClient::patch_disabled(const string& patch_path) +{ + lo_send(_address, "/om/patch_disabled", "s", patch_path.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/new_connection - Notification a new connection has been made. + * \arg \b src-path (string) - Path of the source port + * \arg \b dst-path (string) - Path of the destination port</p> \n \n + */ +void +OSCClient::connection(const string& src_port_path, const string& dst_port_path) +{ + lo_send(_address, "/om/new_connection", "ss", src_port_path.c_str(), dst_port_path.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/disconnection - Notification a connection has been unmade. + * \arg \b src-path (string) - Path of the source port + * \arg \b dst-path (string) - Path of the destination port</p> \n \n + */ +void +OSCClient::disconnection(const string& src_port_path, const string& dst_port_path) +{ + lo_send(_address, "/om/disconnection", "ss", src_port_path.c_str(), dst_port_path.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/metadata/update - Notification of a piece of metadata. + * \arg \b path (string) - Path of the object associated with metadata (can be a node, patch, or port) + * \arg \b key (string) + * \arg \b value (string)</p> \n \n + */ +void +OSCClient::metadata_update(const string& path, const string& key, const string& value) +{ + lo_send(_address, "/om/metadata/update", "sss", path.c_str(), key.c_str(), value.c_str()); +} + + +/** \page client_osc_namespace + * <p> \b /om/control_change - Notification the value of a port has changed + * \arg \b path (string) - Path of port + * \arg \b value (float) - New value of port + * + * \li This will only send updates for values set by clients of course - not values + * changing because of connections to other ports!</p> \n \n + */ +void +OSCClient::control_change(const string& port_path, float value) +{ + lo_send(_address, "/om/control_change", "sf", port_path.c_str(), value); +} + + +/** \page client_osc_namespace + * <p> \b /om/plugin - Notification of the existance of a plugin + * \arg \b type (string) - Type if plugin ("LADSPA", "DSSI", or "Internal")</p> \n \n + * \arg \b uri (string) - Type if plugin ("LADSPA", "DSSI", or "Internal")</p> \n \n + * \arg \b name (string) - Descriptive human-readable name of plugin (ie "ADSR Envelope") + */ +void +OSCClient::new_plugin(const string& type, const string& uri, const string& name) +{ + lo_message m = lo_message_new(); + lo_message_add_string(m, type.c_str()); + lo_message_add_string(m, uri.c_str()); + lo_message_add_string(m, name.c_str()); + lo_send_message(_address, "/om/plugin", m); +} + + +/** \page client_osc_namespace + * <p> \b /om/new_patch - Notification of a new patch + * \arg \b path (string) - Path of new patch + * \arg \b poly (int) - Polyphony of new patch (\em not a boolean like new_node) </p> \n \n + */ +void +OSCClient::new_patch(const string& path, uint32_t poly) +{ + lo_send(_address, "/om/new_patch", "si", path.c_str(), poly); + + /* + if (p->process()) + patch_enabled(p->path()); + + // Send metadata + const map<string, string>& data = p->metadata(); + for (map<string, string>::const_iterator i = data.begin(); i != data.end(); ++i) { + metadata_update(p->path(), (*i).first, (*i).second); + } + */ +} + + +/** \page client_osc_namespace + * <p> \b /om/object_renamed - Notification of an object's renaming + * \arg \b old-path (string) - Old path of object + * \arg \b new-path (string) - New path of object </p> \n \n + */ +void +OSCClient::object_renamed(const string& old_path, const string& new_path) +{ + lo_send(_address, "/om/object_renamed", "ss", old_path.c_str(), new_path.c_str()); +} + + +/** Sends all OmObjects known to the engine. + */ +/* +void +OSCClient::all_objects() +{ + for (Tree<OmObject*>::iterator i = om->object_store()->objects().begin(); + i != om->object_store()->objects().end(); ++i) + if ((*i)->as_node() != NULL && (*i)->parent() == NULL) + (*i)->as_node()->send_creation_messages(this); +} +*/ + +/** Sends information about a program associated with a DSSI plugin node. + */ +void +OSCClient::program_add(const string& node_path, uint32_t bank, uint32_t program, const string& name) +{ + lo_send(_address, "/om/program_add", "siis", + node_path.c_str(), bank, program, name.c_str()); +} + + +void +OSCClient::program_remove(const string& node_path, uint32_t bank, uint32_t program) +{ + lo_send(_address, "/om/program_remove", "sii", + node_path.c_str(), bank, program); +} + + +} // namespace Om |