summaryrefslogtreecommitdiff
path: root/client/dolmetschctl-client.c
blob: e001db91a1c456ee9971b1c416ecd8f75140d4dc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/*
 *  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 "midi.h" */
/* #include "osc.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-client <options>\n");
  printf("    -h                 print this and exit\n");
  printf("    -v                 print version information and exit\n");
  printf("    -m <dev>           the MIDI control device name to use, i.e. hw:2,0,0\n");
  printf("                       (use `amidi -l` to list all available devices)'\n");
  printf("    -o <host>:<port>   the UDP host/port to send OSC messages to\n");
}

/* int main_loop(midi_t* m, osc_t* o) */
int main_loop()
{
  int ret = 0;

  printf("main_loop just started\n");

  /* int midi_npfds_offset = 0; */
  /* 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 = 0; //midi_npfds + osc_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 (;;) {
    /* 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 = 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* midi_dev = NULL;
  char* osc_target = NULL;

  int c;
  opterr = 0;
  while ((c = getopt (argc, argv, "vhm:o:")) != -1) {
    switch (c) {
    case 'h':
      helpflag = 1;
      break;
    case 'v':
      versionflag = 1;
      break;
    case 'm':
      midi_dev = optarg;
      break;
    case 'o':
      osc_target = optarg;
      break;
    case '?':
      if (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(!midi_dev){
    error(0, 0, "MIDI device name must be set");
    print_usage();
    return -1;
  }

  if(!osc_target){
    error(0, 0, "OSC target (host/port) name must be set");
    print_usage();
    return -1;
  }

  /* midi_t m; */
  /* if(midi_init(&m, midi_dev)) */
  /*   return -1; */

  /* osc_t o; */
  /* if(osc_init(&o, osc_target)) */
  /*   return -1; */

  /* int ret = main_loop(&m, &o); */
  int ret = main_loop();

  return ret;
}