merged app sources to single folder

1 files changed, 214 insertions, 0 deletions

diff --git a/app/dolmetschctl.c b/app/dolmetschctl.c
new file mode 100644
index 0000000..3b20cb6
--- /dev/null
+++ b/app/dolmetschctl.c
@@ -0,0 +1,214 @@
+/*
+ *  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 <unistd.h>
+#include <ctype.h>
+#include <error.h>
+
+#include <lo/lo.h>
+#include <alsa/asoundlib.h>
+
+#include "mixer.h"
+#include "midi_server.h"
+#include "osc_server.h"
+
+
+void print_version()
+{
+  printf("%s\n", VERSION_STRING_0);
+#if defined(__clang__)
+  printf("%s, using CLANG %s\n", VERSION_STRING_1, __clang_version__);
+#elif defined(__GNUC__)
+  printf("%s, using GCC %d.%d.%d\n", VERSION_STRING_1, __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
+#else
+  printf("%s\n", VERSION_STRING_1);
+#endif
+
+  printf("linked against alsa-lib Version %s\n", snd_asoundlib_version());
+  char verstr[32];
+  lo_version(verstr, sizeof(verstr), 0, 0, 0, 0, 0, 0, 0);
+  printf("linked against liblo Version %s\n", verstr);
+}
+
+void print_usage()
+{
+  printf("\ndolmetschctl <options>\n");
+  printf("    -h          print this and exit\n");
+  printf("    -v          print version information and exit\n");
+  printf("    -x <name>   the name of the mixer, dolmetschctl will look for\n");
+  printf("                language files inside '%s/<name>/'\n", ETCDIR);
+  printf("    -d <dev>    the mixer MIDI device name to use, i.e. hw:2,0,0\n");
+  printf("                (use `amidi -l` to list all available devices)'\n");
+  printf("    -m <dev>    the MIDI control device name to use, this can be omitted to\n");
+  printf("                only wait for OSC messages'\n");
+  printf("    -o <port>   the UDP port to listen on for OSC messages, this can be omitted\n");
+  printf("                to only use the control MIDI interface'\n");
+}
+
+int main_loop(mixer_t* x, midi_t* m, osc_t* o)
+{
+  int ret = 0;
+
+  printf("main_loop just started\n");
+
+  int mixer_npfds_offset = 0;
+  int mixer_npfds = mixer_get_poll_fd_count(x);
+  assert(mixer_npfds > 0);
+
+  int midi_npfds_offset = mixer_npfds_offset + mixer_npfds;
+  int midi_npfds = midi_get_poll_fd_count(m);
+  assert(midi_npfds >= 0);
+
+  int osc_npfds_offset = midi_npfds_offset + midi_npfds;
+  int osc_npfds = osc_get_poll_fd_count(o);
+  assert(osc_npfds >= 0);
+
+  int npfds = midi_npfds + osc_npfds + mixer_npfds;
+  struct pollfd *pfds = alloca(npfds * sizeof(struct pollfd));
+  if(!pfds) {
+    error(0, 0, "error while allocating poll fds - stack corrupted??");
+    return -1;
+  }
+
+  printf("main_loop running with %d pollfds...\n", npfds);
+  for (;;) {
+    mixer_get_poll_fds(x, &(pfds[mixer_npfds_offset]), mixer_npfds);
+    midi_get_poll_fds(m, &(pfds[midi_npfds_offset]), midi_npfds);
+    osc_get_poll_fds(o, &(pfds[osc_npfds_offset]), osc_npfds);
+
+    int err = poll(pfds, npfds, 200);
+    if(err < 0 && errno != EINTR) {
+      error(0, errno, "poll failed");
+      break;
+    }
+    if(err <= 0) {
+          // timeout or EINTR
+      continue;
+    }
+
+    ret = mixer_handle_revents(x, &(pfds[mixer_npfds_offset]), mixer_npfds);
+    if(ret)
+      break;
+
+    ret = midi_handle_revents(m, &(pfds[midi_npfds_offset]), midi_npfds, x);
+    if(ret)
+      break;
+
+    ret = osc_handle_revents(o, &(pfds[osc_npfds_offset]), osc_npfds, x);
+    if(ret)
+      break;
+  }
+
+  return ret;
+}
+
+int main(int argc, char* argv[])
+{
+  int helpflag = 0;
+  int versionflag = 0;
+  char* mixer_name = NULL;
+  char* mixer_dev = NULL;
+  char* midi_dev = NULL;
+  char* osc_port = NULL;
+
+  int c;
+  opterr = 0;
+  while ((c = getopt (argc, argv, "vhx:d:m:o:")) != -1) {
+    switch (c) {
+    case 'h':
+      helpflag = 1;
+      break;
+    case 'v':
+      versionflag = 1;
+      break;
+    case 'x':
+      mixer_name = optarg;
+      break;
+    case 'd':
+      mixer_dev = optarg;
+      break;
+    case 'm':
+      midi_dev = optarg;
+      break;
+    case 'o':
+      osc_port = optarg;
+      break;
+    case '?':
+      if (optopt == 'x' || optopt == 'd' || optopt == 'm' || optopt == 'o')
+        error(0, 0, "Option -%c requires an argument.\n", optopt);
+      else if (isprint (optopt))
+        error(0, 0, "Unknown option `-%c'.\n", optopt);
+      else
+        error(0, 0, "Unknown option character `\\x%x'.\n", optopt);
+      return -1;
+    default:
+      return -1;
+    }
+  }
+
+  if(helpflag) {
+    print_usage();
+    return 0;
+  }
+
+  if(versionflag) {
+    print_version();
+    return 0;
+  }
+
+  if(!mixer_name){
+    error(0, 0, "mixer name must be set");
+    print_usage();
+    return -1;
+  }
+
+  if(!mixer_dev){
+    error(0, 0, "mixer device name must be set");
+    print_usage();
+    return -1;
+  }
+
+  if(!midi_dev && !osc_port) {
+    error(0, 0, "either midi or osc (or both) must be specified");
+    print_usage();
+    return -1;
+  }
+
+  mixer_t x;
+  if(mixer_init(&x, mixer_name, mixer_dev))
+    return -1;
+
+  midi_t m;
+  if(midi_init(&m, midi_dev))
+    return -1;
+
+  osc_t o;
+  if(osc_init(&o, osc_port))
+    return -1;
+
+  int ret = main_loop(&x, &m, &o);
+
+  return ret;
+}