From 6bc291c0fd3e1760ca4bfeaf33b38cbb4b21830c Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 13 Oct 2015 02:27:56 +0200
Subject: merged app sources to single folder

---
 app/osc_client.c | 123 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 app/osc_client.c

(limited to 'app/osc_client.c')

diff --git a/app/osc_client.c b/app/osc_client.c
new file mode 100644
index 0000000..a70eb67
--- /dev/null
+++ b/app/osc_client.c
@@ -0,0 +1,123 @@
+/*
+ *  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_client.h"
+#include "midi_client.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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