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/*
* dolmetschctl
*
*
* Copyright (C) 2015 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of dolmetschctl.
*
* dolmetschctl 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 3 of the License, or
* any later version.
*
* dolmetschctl 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 more details.
*
* You should have received a copy of the GNU General Public License
* along with dolmetschctl. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <error.h>
#include <assert.h>
#include "osc.h"
#include "midi.h"
static void print_error(int num, const char *msg, const char *path)
{
error(0, 0, "liblo server error %d in path %s: %s", num, path, msg);
}
static int lang_handler(const char *path, const char *types, lo_arg ** argv,
int argc, lo_message msg, void *user_data)
{
osc_t* o = (osc_t*)user_data;
assert(o);
if(argc != 1 || !lo_is_string_type((lo_type)types[0]))
return 1;
// printf("got ack for: lang '%s'\n", &(argv[0]->s));
midi_enqueue_cmd((midi_t*)o->m_, &(argv[0]->s));
return 0;
}
int osc_init(osc_t* o, void* m, const char* host, const char* port)
{
assert(o != NULL);
o->server_ = NULL;
o->target_ = lo_address_new(host, port);
o->m_ = m;
if(!port)
return 0;
o->server_ = lo_server_new(NULL, print_error);
if(!o->server_)
return -1;
if(!lo_server_add_method(o->server_, "/lang/ack", "s", lang_handler, (void*)o))
return -1;
return 0;
}
int osc_switch_lang(osc_t* o, const char* lang)
{
lo_send_from(o->target_, o->server_, LO_TT_IMMEDIATE, "/lang/switch", "s", lang);
return 0;
}
int osc_get_poll_fd_count(osc_t* o)
{
assert(o);
if(!o->server_)
return 0;
return 1;
}
int osc_get_poll_fds(osc_t* o, struct pollfd *pfds, int npfds)
{
assert(o);
if(!o->server_)
return 0;
pfds[0].fd = lo_server_get_socket_fd(o->server_);
pfds[0].events = POLLIN;
pfds[0].revents = 0;
return 0;
}
int osc_handle_revents(osc_t* o, struct pollfd *pfds, int npfds)
{
assert(o);
if(!o->server_)
return 0;
if(pfds[0].revents & (POLLERR | POLLHUP | POLLNVAL)) {
error(0, 0, "OSC: got POLLERR, POLLHUP or POLLNVAL");
return -1;
}
if(!(pfds[0].revents & POLLIN))
return 0;
lo_server_recv_noblock(o->server_, 0);
return 0;
}
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