From 7e013dc6986fa9d6dc8616d494d9de5d192c4c69 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Wed, 12 Jul 2006 06:34:30 +0000 Subject: Factored out Thread (and Slave, an explicitly signal-driven thread) git-svn-id: http://svn.drobilla.net/lad/ingen@87 a436a847-0d15-0410-975c-d299462d15a1 --- src/libs/engine/OSCReceiver.cpp | 147 +++++++++++++++++++++------------------- 1 file changed, 77 insertions(+), 70 deletions(-) (limited to 'src/libs/engine/OSCReceiver.cpp') diff --git a/src/libs/engine/OSCReceiver.cpp b/src/libs/engine/OSCReceiver.cpp index 206cd3da..30bda10b 100644 --- a/src/libs/engine/OSCReceiver.cpp +++ b/src/libs/engine/OSCReceiver.cpp @@ -52,76 +52,75 @@ using Shared::ClientKey; OSCReceiver::OSCReceiver(size_t queue_size, const char* const port) : QueuedEngineInterface(queue_size), _port(port), - _is_activated(false), - _st(NULL), + _server(NULL), _osc_responder(NULL) { - _st = lo_server_thread_new(port, error_cb); + _server = lo_server_new(port, error_cb); - if (_st == NULL) { + if (_server == NULL) { cerr << "[OSC] Could not start OSC server. Aborting." << endl; exit(EXIT_FAILURE); } else { - char* lo_url = lo_server_thread_get_url(_st); + char* lo_url = lo_server_get_url(_server); cout << "[OSC] Started OSC server at " << lo_url << endl; free(lo_url); } // For debugging, print all incoming OSC messages - lo_server_thread_add_method(_st, NULL, NULL, generic_cb, NULL); + lo_server_add_method(_server, NULL, NULL, generic_cb, NULL); // Set response address for this message. // It's important this is first and returns nonzero. - lo_server_thread_add_method(_st, NULL, NULL, set_response_address_cb, this); + lo_server_add_method(_server, NULL, NULL, set_response_address_cb, this); // Commands - lo_server_thread_add_method(_st, "/om/ping", "i", ping_cb, this); - lo_server_thread_add_method(_st, "/om/ping_slow", "i", ping_slow_cb, this); - lo_server_thread_add_method(_st, "/om/engine/quit", "i", quit_cb, this); - //lo_server_thread_add_method(_st, "/om/engine/register_client", "is", register_client_cb, this); - lo_server_thread_add_method(_st, "/om/engine/register_client", "i", register_client_cb, this); - lo_server_thread_add_method(_st, "/om/engine/unregister_client", "i", unregister_client_cb, this); - lo_server_thread_add_method(_st, "/om/engine/load_plugins", "i", load_plugins_cb, this); - lo_server_thread_add_method(_st, "/om/engine/activate", "i", engine_activate_cb, this); - lo_server_thread_add_method(_st, "/om/engine/deactivate", "i", engine_deactivate_cb, this); - lo_server_thread_add_method(_st, "/om/synth/create_patch", "isi", create_patch_cb, this); - lo_server_thread_add_method(_st, "/om/synth/enable_patch", "is", enable_patch_cb, this); - lo_server_thread_add_method(_st, "/om/synth/disable_patch", "is", disable_patch_cb, this); - lo_server_thread_add_method(_st, "/om/synth/clear_patch", "is", clear_patch_cb, this); - lo_server_thread_add_method(_st, "/om/synth/create_port", "issi", create_port_cb, this); - lo_server_thread_add_method(_st, "/om/synth/create_node", "issssi", create_node_cb, this); - lo_server_thread_add_method(_st, "/om/synth/create_node", "isssi", create_node_by_uri_cb, this); - lo_server_thread_add_method(_st, "/om/synth/destroy", "is", destroy_cb, this); - lo_server_thread_add_method(_st, "/om/synth/rename", "iss", rename_cb, this); - lo_server_thread_add_method(_st, "/om/synth/connect", "iss", connect_cb, this); - lo_server_thread_add_method(_st, "/om/synth/disconnect", "iss", disconnect_cb, this); - lo_server_thread_add_method(_st, "/om/synth/disconnect_all", "is", disconnect_all_cb, this); - lo_server_thread_add_method(_st, "/om/synth/set_port_value", "isf", set_port_value_cb, this); - lo_server_thread_add_method(_st, "/om/synth/set_port_value", "isif", set_port_value_voice_cb, this); - lo_server_thread_add_method(_st, "/om/synth/set_port_value_slow", "isf", set_port_value_slow_cb, this); - lo_server_thread_add_method(_st, "/om/synth/note_on", "isii", note_on_cb, this); - lo_server_thread_add_method(_st, "/om/synth/note_off", "isi", note_off_cb, this); - lo_server_thread_add_method(_st, "/om/synth/all_notes_off", "isi", all_notes_off_cb, this); - lo_server_thread_add_method(_st, "/om/synth/midi_learn", "is", midi_learn_cb, this); + lo_server_add_method(_server, "/om/ping", "i", ping_cb, this); + lo_server_add_method(_server, "/om/ping_slow", "i", ping_slow_cb, this); + lo_server_add_method(_server, "/om/engine/quit", "i", quit_cb, this); + //lo_server_add_method(_server, "/om/engine/register_client", "is", register_client_cb, this); + lo_server_add_method(_server, "/om/engine/register_client", "i", register_client_cb, this); + lo_server_add_method(_server, "/om/engine/unregister_client", "i", unregister_client_cb, this); + lo_server_add_method(_server, "/om/engine/load_plugins", "i", load_plugins_cb, this); + lo_server_add_method(_server, "/om/engine/activate", "i", engine_activate_cb, this); + lo_server_add_method(_server, "/om/engine/deactivate", "i", engine_deactivate_cb, this); + lo_server_add_method(_server, "/om/synth/create_patch", "isi", create_patch_cb, this); + lo_server_add_method(_server, "/om/synth/enable_patch", "is", enable_patch_cb, this); + lo_server_add_method(_server, "/om/synth/disable_patch", "is", disable_patch_cb, this); + lo_server_add_method(_server, "/om/synth/clear_patch", "is", clear_patch_cb, this); + lo_server_add_method(_server, "/om/synth/create_port", "issi", create_port_cb, this); + lo_server_add_method(_server, "/om/synth/create_node", "issssi", create_node_cb, this); + lo_server_add_method(_server, "/om/synth/create_node", "isssi", create_node_by_uri_cb, this); + lo_server_add_method(_server, "/om/synth/destroy", "is", destroy_cb, this); + lo_server_add_method(_server, "/om/synth/rename", "iss", rename_cb, this); + lo_server_add_method(_server, "/om/synth/connect", "iss", connect_cb, this); + lo_server_add_method(_server, "/om/synth/disconnect", "iss", disconnect_cb, this); + lo_server_add_method(_server, "/om/synth/disconnect_all", "is", disconnect_all_cb, this); + lo_server_add_method(_server, "/om/synth/set_port_value", "isf", set_port_value_cb, this); + lo_server_add_method(_server, "/om/synth/set_port_value", "isif", set_port_value_voice_cb, this); + lo_server_add_method(_server, "/om/synth/set_port_value_slow", "isf", set_port_value_slow_cb, this); + lo_server_add_method(_server, "/om/synth/note_on", "isii", note_on_cb, this); + lo_server_add_method(_server, "/om/synth/note_off", "isi", note_off_cb, this); + lo_server_add_method(_server, "/om/synth/all_notes_off", "isi", all_notes_off_cb, this); + lo_server_add_method(_server, "/om/synth/midi_learn", "is", midi_learn_cb, this); #ifdef HAVE_LASH - lo_server_thread_add_method(_st, "/om/lash/restore_finished", "i", lash_restore_done_cb, this); + lo_server_add_method(_server, "/om/lash/restore_finished", "i", lash_restore_done_cb, this); #endif - lo_server_thread_add_method(_st, "/om/metadata/request", "isss", metadata_get_cb, this); - lo_server_thread_add_method(_st, "/om/metadata/set", "isss", metadata_set_cb, this); + lo_server_add_method(_server, "/om/metadata/request", "isss", metadata_get_cb, this); + lo_server_add_method(_server, "/om/metadata/set", "isss", metadata_set_cb, this); // Queries - lo_server_thread_add_method(_st, "/om/request/plugins", "i", request_plugins_cb, this); - lo_server_thread_add_method(_st, "/om/request/all_objects", "i", request_all_objects_cb, this); - lo_server_thread_add_method(_st, "/om/request/port_value", "is", request_port_value_cb, this); + lo_server_add_method(_server, "/om/request/plugins", "i", request_plugins_cb, this); + lo_server_add_method(_server, "/om/request/all_objects", "i", request_all_objects_cb, this); + lo_server_add_method(_server, "/om/request/port_value", "is", request_port_value_cb, this); // DSSI support #ifdef HAVE_DSSI // XXX WARNING: notice this is a catch-all - lo_server_thread_add_method(_st, NULL, NULL, dssi_cb, this); + lo_server_add_method(_server, NULL, NULL, dssi_cb, this); #endif - lo_server_thread_add_method(_st, NULL, NULL, unknown_cb, NULL); + lo_server_add_method(_server, NULL, NULL, unknown_cb, NULL); } @@ -129,9 +128,9 @@ OSCReceiver::~OSCReceiver() { deactivate(); - if (_st != NULL) { - lo_server_thread_free(_st); - _st = NULL; + if (_server != NULL) { + lo_server_free(_server); + _server = NULL; } } @@ -139,41 +138,49 @@ OSCReceiver::~OSCReceiver() void OSCReceiver::start() { + set_name("OSCReceiver"); QueuedEventSource::start(); - - if (!_is_activated) { - lo_server_thread_start(_st); - _is_activated = true; - } - - /* Waiting on the next liblo release - pthread_t lo_thread = lo_server_thread_get_thread(_st); - - sched_param sp; - sp.sched_priority = 20; - int result = pthread_setschedparam(lo_thread, SCHED_FIFO, &sp); - if (!result) - cout << "[OSC] Set OSC thread to realtime scheduling (SCHED_FIFO, priority " - << sp.sched_priority << ")" << endl; - else - cout << "[OSC] Unable to set OSC thread to realtime scheduling (" - << strerror(result) << endl; - */ + set_scheduling(SCHED_FIFO, 10); } void OSCReceiver::stop() { - if (_is_activated) { - lo_server_thread_stop(_st); - cout << "[OSCReceiver] Stopped OSC server thread" << endl; - _is_activated = false; - } + cout << "[OSCReceiver] Stopped OSC listening thread" << endl; QueuedEventSource::stop(); } +/** Override the semaphore driven _run method of QueuedEngineInterface + * to wait on OSC messages and prepare them right away in the same thread. + */ +void +OSCReceiver::_run() +{ + /* FIXME: Make Event() take a timestamp as a parameter, get a timestamp + * here and stamp all the events with the same time so they all get + * executed in the same cycle */ + + while (true) { + assert( ! unprepared_events()); + + // Wait on a message and enqueue it + lo_server_recv(_server); + + // Enqueue every other message that is here "now" + // (would this provide truly atomic bundles?) + while (lo_server_recv_noblock(_server, 0) > 0) ; + + // Process them all + while (unprepared_events()) + _signalled(); + + // No more unprepared events + } +} + + /** Create a new responder for this message, if necessary. * * This is based on the fact that the current responder is stored in a ref -- cgit v1.2.1