2 * Copyright (C) 2006 Paul Davis
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 #include <pbd/pthread_utils.h>
32 #include <pbd/file_utils.h>
34 #include <ardour/osc.h>
35 #include <ardour/session.h>
36 #include <ardour/route.h>
37 #include <ardour/audio_track.h>
38 #include <ardour/filesystem_paths.h>
42 using namespace ARDOUR;
46 static void error_callback(int num, const char *m, const char *path)
49 fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
53 OSC::OSC (uint32_t port)
72 for (int j=0; j < 20; ++j) {
73 snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
75 if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
79 cerr << "can't get osc at port: " << _port << endl;
85 #ifdef ARDOUR_OSC_UNIX_SERVER
87 // APPEARS sluggish for now
89 // attempt to create unix socket server too
91 snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
92 int fd = mkstemp(tmpstr);
98 _osc_unix_server = lo_server_new (tmpstr, error_callback);
100 if (_osc_unix_server) {
101 _osc_unix_socket_path = tmpstr;
106 cerr << "OSC @ " << get_server_url () << endl;
110 if (find_file_in_search_path (ardour_search_path() + system_config_search_path(),
111 "osc_url", url_file)) {
112 _osc_url_file = url_file.to_string();
114 urlfile.open(_osc_url_file.c_str(), ios::trunc);
117 urlfile << get_server_url () << endl;
122 cerr << "Couldn't write '" << _osc_url_file << "'" <<endl;
126 register_callbacks();
128 // lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
130 if (!init_osc_thread()) {
139 if (_osc_server == 0) {
140 /* already stopped */
144 // stop server thread
145 terminate_osc_thread();
147 lo_server_free (_osc_server);
150 if (!_osc_unix_socket_path.empty()) {
152 unlink(_osc_unix_socket_path.c_str());
155 if (! _osc_url_file.empty() ) {
156 unlink(_osc_url_file.c_str() );
167 OSC::register_callbacks()
172 srvs[0] = _osc_server;
173 srvs[1] = _osc_unix_server;
175 for (size_t i = 0; i < 2; ++i) {
183 #define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
185 REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
186 REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
187 REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
188 REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
189 REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
190 REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
191 REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
192 REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
193 REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
194 REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
195 REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
196 REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
197 REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
198 REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
199 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
200 REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
201 REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
202 REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
205 REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
206 REGISTER_CALLBACK (serv, "/ardour/set", "", set);
210 // un/register_update args= s:ctrl s:returl s:retpath
211 lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
212 lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
213 lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
214 lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
220 OSC::init_osc_thread ()
222 // create new thread to run server
223 if (pipe (_request_pipe)) {
224 cerr << "Cannot create osc request signal pipe" << strerror (errno) << endl;
228 if (fcntl (_request_pipe[0], F_SETFL, O_NONBLOCK)) {
229 cerr << "osc: cannot set O_NONBLOCK on signal read pipe " << strerror (errno) << endl;
233 if (fcntl (_request_pipe[1], F_SETFL, O_NONBLOCK)) {
234 cerr << "osc: cannot set O_NONBLOCK on signal write pipe " << strerror (errno) << endl;
239 pthread_attr_init(&attr);
240 pthread_attr_setstacksize(&attr, 500000);
242 pthread_create (&_osc_thread, &attr, &OSC::_osc_receiver, this);
246 pthread_attr_destroy(&attr);
248 //pthread_detach (_osc_thread);
253 OSC::terminate_osc_thread ()
261 pthread_join (_osc_thread, &status);
265 OSC::poke_osc_thread ()
269 if (write (_request_pipe[1], &c, 1) != 1) {
270 cerr << "cannot send signal to osc thread! " << strerror (errno) << endl;
275 OSC::get_server_url()
281 urlstr = lo_server_get_url (_osc_server);
290 OSC::get_unix_server_url()
295 if (_osc_unix_server) {
296 urlstr = lo_server_get_url (_osc_unix_server);
308 OSC::_osc_receiver(void * arg)
310 PBD::ThreadCreated (pthread_self(), X_("OSC"));
312 static_cast<OSC*> (arg)->osc_receiver();
319 struct pollfd pfd[3];
326 fds[0] = _request_pipe[0];
329 if (_osc_server && lo_server_get_socket_fd(_osc_server) >= 0) {
330 fds[nfds] = lo_server_get_socket_fd(_osc_server);
331 srvs[nfds] = _osc_server;
335 if (_osc_unix_server && lo_server_get_socket_fd(_osc_unix_server) >= 0) {
336 fds[nfds] = lo_server_get_socket_fd(_osc_unix_server);
337 srvs[nfds] = _osc_unix_server;
344 for (int i=0; i < nfds; ++i) {
346 pfd[i].events = POLLIN|POLLPRI|POLLHUP|POLLERR;
351 //cerr << "poll on " << nfds << " for " << timeout << endl;
352 if ((ret = poll (pfd, nfds, timeout)) < 0) {
353 if (errno == EINTR) {
354 /* gdb at work, perhaps */
358 cerr << "OSC thread poll failed: " << strerror (errno) << endl;
363 //cerr << "poll returned " << ret << " pfd[0].revents = " << pfd[0].revents << " pfd[1].revents = " << pfd[1].revents << endl;
369 if ((pfd[0].revents & ~POLLIN)) {
370 cerr << "OSC: error polling extra port" << endl;
374 for (int i=1; i < nfds; ++i) {
375 if (pfd[i].revents & POLLIN)
377 // this invokes callbacks
378 //cerr << "invoking recv on " << pfd[i].fd << endl;
379 lo_server_recv(srvs[i]);
385 //cerr << "SL engine shutdown" << endl;
388 int fd = lo_server_get_socket_fd(_osc_server);
393 lo_server_free (_osc_server);
397 if (_osc_unix_server) {
398 cerr << "freeing unix server" << endl;
399 lo_server_free (_osc_unix_server);
400 _osc_unix_server = 0;
403 close(_request_pipe[0]);
404 close(_request_pipe[1]);
408 OSC::set_session (Session& s)
411 session->GoingAway.connect (mem_fun (*this, &OSC::session_going_away));
415 OSC::session_going_away ()
423 OSC::current_value (const char *path, const char *types, lo_arg **argv, int argc, void *data, void* user_data)
428 if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
432 const char *returl = argv[1]->s;
433 lo_address addr = find_or_cache_addr (returl);
435 const char *retpath = argv[2]->s;
438 if (strcmp (argv[0]->s, "transport_frame")) {
441 lo_send (addr, retpath, "i", session->transport_frame());
444 } else if (strcmp (argv[0]->s, "transport_speed")) {
447 lo_send (addr, retpath, "i", session->transport_frame());
450 } else if (strcmp (argv[0]->s, "transport_locked")) {
453 lo_send (addr, retpath, "i", session->transport_frame());
456 } else if (strcmp (argv[0]->s, "punch_in") {
459 lo_send (addr, retpath, "i", session->transport_frame());
462 } else if (strcmp (argv[0]->s, "punch_out") {
465 lo_send (addr, retpath, "i", session->transport_frame());
468 } else if (strcmp (argv[0]->s, "rec_enable") {
471 lo_send (addr, retpath, "i", session->transport_frame());