source: roaraudio/roard/roard.c @ 2112:6fbae14eed72

Last change on this file since 2112:6fbae14eed72 was 2112:6fbae14eed72, checked in by phi, 15 years ago

added support to do a terminate on SIGUSR1
File size: 31.6 KB
Line 
1//roard.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 */
24
25#include "roard.h"
26
27#ifdef ROAR_SUPPORT_LISTEN
28char * server = ROAR_DEFAULT_SOCK_GLOBAL; // global server address
29#endif
30
31#if defined(ROAR_HAVE_IO_POSIX) && defined(ROAR_HAVE_FS_POSIX)
32#define SUPPORT_PIDFILE
33char * pidfile = NULL;
34#endif
35
36#ifdef ROAR_HAVE_MAIN_ARGS
37void usage (void) {
38 printf("Usage: roard [OPTIONS]...\n\n");
39
40 printf("Misc Options:\n\n");
41 printf(
42        " --daemon              - Bring the server into background after init\n"
43        " --terminate           - Terminate after last client quited\n"
44        " --start               - No op parameter (starting roard is default operation)\n"
45        " --restart             - Trys to stop an old instance and start a new with new settings\n"
46        " --stop                - Stops a running roard (provide --pidfile!)\n"
47        " --shutdown            - Terminates a running roard (provide --pidfile!)\n"
48        " --realtime            - Trys to get realtime priority,\n"
49        "                         give multible times for being more realtime\n"
50        " --chroot DIR          - chroots to the given dir\n"
51        " --setgid              - GroupID to the audio group as specified via -G\n"
52        " --setuid              - UserID to the audio user as specified via -U\n"
53        " --sysclocksync        - calculate exact sample rate using the system clock\n"
54        " --location  LOC       - Set lion readable location of server\n"
55#ifdef SUPPORT_PIDFILE
56        " --pidfile PIDFILE     - Write a pidfile at PIDFILE\n"
57#endif
58       );
59
60 printf("\nAudio Options:\n\n");
61 printf(
62        " -R  --rate   RATE     - Set server rate\n"
63        " -B  --bits   BITS     - Set server bits\n"
64        " -C  --chans  CHANNELS - Set server channels\n"
65       );
66
67 printf("\nDriver Options: (obsolete, do not use, Use Ouput Options)\n\n");
68 printf(" -d  --driver DRV      - Set the driver (default: %s)\n", ROAR_DRIVER_DEFAULT);
69 printf(" -D  --device DEV      - Set the device\n");
70 printf(" -dO OPTS              - Set output options\n");
71 printf(" --list-driver         - List all drivers\n");
72
73 printf("\nOutput Options:\n\n");
74 printf(" -o  --odriver DRV     - Set the driver, use '--list-driver' to get a list\n");
75 printf(" -O  --odevice DEV     - Set the device\n");
76 printf(" -oO OPTS              - Set output options\n");
77 printf(" -oN                   - Adds another output\n");
78 printf(" -oP                   - Mark output as primary\n");
79
80 printf("\nSource Options:\n\n");
81 printf(" -s  --source DRV      - Use DRV as input driver\n"
82        " -S           DEV      - Use DEV as input device\n"
83        " -sO          OPTS     - Use OPTS as input options\n"
84        " -sN                   - Adds another source\n"
85        " -sP                   - Make souce as primary\n"
86       );
87
88 printf("\nCodec Filter Options:\n\n");
89 printf(" --list-cf             - List all codec filter\n"
90       );
91
92 printf("\nMIDI Options:\n\n");
93 printf(" --midi-no-console     - Disable console based MIDI synth\n"
94        " --midi-console DEV    - Set device for MIDI console\n"
95       );
96
97 printf("\nLight Control Options:\n\n");
98 printf(" --light-channels NUM  - Sets the number of channels for Light control (default: %i)\n",
99                                  LIGHT_CHANNELS_DEFAULT
100       );
101
102 printf("\nServer Options:\n\n");
103 printf(" -t  --tcp             - Use TCP listen socket\n"
104        " -u  --unix            - Use UNIX Domain listen socket (default)\n"
105#ifdef ROAR_HAVE_LIBDNET
106        " -n  --decnet          - use DECnet listen socket\n"
107#endif
108        " -4                    - Use IPv4 connections (implies -t)\n"
109#ifdef PF_INET6
110        " -6                    - Use IPv6 connections (implies -t)\n"
111#endif
112#ifdef IPV6_ADDRFORM
113        " -64                   - Try to downgrade sockets from IPv6 into IPv4,\n"
114        "                         this is normaly not usefull.\n"
115#endif
116        " -p  --port            - TCP Port to bind to\n"
117        " -b  --bind            - IP/Hostname to bind to\n"
118        "     --sock            - Filename for UNIX Domain Socket\n"
119#ifdef ROAR_HAVE_LIBSLP
120        "     --slp             - Enable OpenSLP support\n"
121#endif
122        " -G  GROUP             - Sets the group for the UNIX Domain Socket, (default: %s)\n"
123        "                         You need the permittions to change the GID\n"
124        " -U  USER              - Sets the user for the UNIX Domain Socket, (default: do not set)\n"
125        "                         You need the permittions to change the UID (normaly only root has)\n"
126        " --no-listen           - Do not listen for new clients\n"
127        "                         (only usefull for relaing, impleys --terminate)\n"
128        " --client-fh           - Comunicate with a client over this handle\n"
129        "                         (only usefull for relaing)\n"
130        " --close-fh            - Closes the given fh\n"
131        " --standby             - Start in standby state\n"
132        " --auto-standby        - Automatical goes into standby if there are no streams\n",
133        ROAR_DEFAULT_SOCKGRP
134       );
135// printf("\n Options:\n\n");
136 printf("\n");
137}
138#endif
139
140int restart_server (char * server, int terminate) {
141 struct roar_connection con;
142#ifdef ROAR_HAVE_KILL
143 char buf[80];
144 ssize_t l;
145 struct roar_vio_calls fh;
146 pid_t pid;
147 int ok;
148
149 if ( pidfile != NULL ) {
150  if ( roar_vio_open_file(&fh, pidfile, O_RDONLY, 0644) == -1 ) {
151   ROAR_WARN("restart_server(*): Can not read pidfile: %s", pidfile);
152  } else {
153   l = roar_vio_read(&fh, buf, 80);
154   roar_vio_close(&fh);
155   if ( l > 0 ) {
156    buf[l-1] = 0;
157    buf[79]  = 0;
158    pid = atoi(buf);
159    if ( terminate ) {
160     ok = -1;
161    } else {
162     ok = kill(pid, SIGINT);
163    }
164    if ( ok == 0 ) {
165     return 0;
166    } else {
167     ROAR_WARN("restart_server(*): Can not kill roard by pidfile");
168    }
169   } else {
170    ROAR_WARN("restart_server(*): Can not find a PID in the pidfile");
171   }
172  }
173 }
174#endif
175
176 if ( roar_connect(&con, server) == -1 ) {
177  return -1;
178 }
179
180 if ( roar_terminate(&con, terminate) == -1 ) {
181  return -1;
182 }
183
184 return roar_disconnect(&con);
185}
186
187#define R_SETUID 1
188#define R_SETGID 2
189
190int init_config (void) {
191 int i;
192
193 memset(g_config, 0, sizeof(struct roard_config));
194
195 for (i = 0; i < ROAR_DIR_DIRIDS; i++) {
196  g_config->streams[i].mixer_channels = 1;
197  g_config->streams[i].mixer.rpg_mul  = 1;
198  g_config->streams[i].mixer.rpg_div  = 1;
199  g_config->streams[i].mixer.scale    = 65535;
200  g_config->streams[i].mixer.mixer[0] = g_config->streams[i].mixer.scale;
201 }
202
203 g_config->streams[ROAR_DIR_MIDI_OUT].flags = ROAR_FLAG_SYNC;
204
205 g_config->location = "***default***";
206
207 return 0;
208}
209
210int add_output (char * drv, char * dev, char * opts, int prim, int count) {
211 int stream;
212 struct roar_stream * s;
213 struct roar_stream_server * ss;
214 char * k, * v;
215#ifdef ROAR_DRIVER_CODEC
216 char * to_free = NULL;
217#endif
218 int codec;
219 int sync = 0, f_mmap = 0;
220 int32_t blocks = -1, blocksize = -1;
221 int dir = ROAR_DIR_OUTPUT;
222 int error = 0;
223 // DMX:
224 int32_t channel  = -1;
225 int32_t universe = -1;
226 uint16_t tu16;
227 float q = -32e6;
228
229 ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = ?", drv, dev, opts);
230
231 if ( drv == NULL && count == 0 ) {
232  drv  = ROAR_DRIVER_DEFAULT;
233  prim = 1;
234  sync = 1;
235
236#ifdef ROAR_DRIVER_CODEC
237  if ( opts == NULL ) {
238   opts = to_free = strdup("codec=" ROAR_DRIVER_CODEC);
239  }
240#endif
241 }
242
243 if ( opts == NULL && count == 0 ) {
244  sync = 1;
245  prim = 1; // if ( prim == 0 ) prim = 1; -> prim allways = 1
246 }
247
248 if ( (stream = streams_new()) == -1 ) {
249  ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = -1", drv, dev, opts);
250  if ( prim ) alive = 0;
251  return -1;
252 }
253
254 streams_get(stream, &ss);
255 s = ROAR_STREAM(ss);
256
257 memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info));
258
259 s->pos_rel_id = -1;
260// s->info.codec = codec;
261
262 codec = s->info.codec;
263
264 k = strtok(opts, ",");
265 while (k != NULL) {
266//  ROAR_WARN("add_output(*): opts: %s", k);
267
268  if ( (v = strstr(k, "=")) != NULL ) {
269   *v++ = 0;
270  }
271
272  ROAR_DBG("add_output(*): opts: k='%s', v='%s'", k, v);
273  if ( strcmp(k, "rate") == 0 ) {
274   s->info.rate = atoi(v);
275  } else if ( strcmp(k, "channels") == 0 ) {
276   s->info.channels = atoi(v);
277  } else if ( strcmp(k, "bits") == 0 ) {
278   s->info.bits = atoi(v);
279  } else if ( strcmp(k, "codec") == 0 ) {
280   if ( (codec = roar_str2codec(v)) == -1 ) {
281    ROAR_ERR("add_output(*): unknown codec '%s'", v);
282    error++;
283   }
284  } else if ( strcmp(k, "q") == 0 ) {
285   q = atof(v);
286  } else if ( strcmp(k, "blocks") == 0 ) {
287   blocks = atoi(v);
288  } else if ( strcmp(k, "blocksize") == 0 ) {
289   blocksize = atoi(v);
290  } else if ( strcmp(k, "mmap") == 0 ) {
291   f_mmap = 1;
292  } else if ( strcmp(k, "subsystem") == 0 ) {
293   if ( !strcasecmp(v, "wave") || !strcasecmp(v, "waveform") ) {
294    dir = ROAR_DIR_OUTPUT;
295   } else if ( !strcasecmp(v, "midi") ) {
296    dir = ROAR_DIR_MIDI_OUT;
297   } else if ( !strcasecmp(v, "light") ) {
298    dir = ROAR_DIR_LIGHT_OUT;
299   } else {
300    ROAR_ERR("add_output(*): unknown subsystem '%s'", k);
301    error++;
302   }
303  // DMX:
304  } else if ( strcmp(k, "channel") == 0 ) {
305   channel  = atoi(v);
306   if ( channel < 0 || channel > 65535 ) {
307    ROAR_ERR("add_output(*): Invalide channel (not within 0..65535): %i", channel);
308    channel = -1;
309    error++;
310   }
311  } else if ( strcmp(k, "universe") == 0 ) {
312   universe = atoi(v);
313   if ( universe < 0 || universe > 255 ) {
314    ROAR_ERR("add_output(*): Invalide universe (not within 0..255): %i", universe);
315    universe = -1;
316    error++;
317   }
318
319
320  } else if ( strcmp(k, "meta") == 0 ) {
321   streams_set_flag(stream, ROAR_FLAG_META);
322  } else if ( strcmp(k, "sync") == 0 ) {
323   sync = 1;
324  } else if ( strcmp(k, "primary") == 0 ) {
325   prim = 1;
326
327  } else if ( strcmp(k, "cleanmeta") == 0 ) {
328   streams_set_flag(stream, ROAR_FLAG_CLEANMETA);
329  } else if ( strcmp(k, "autoconf") == 0 ) {
330   streams_set_flag(stream, ROAR_FLAG_AUTOCONF);
331  } else {
332   ROAR_ERR("add_output(*): unknown option '%s'", k);
333   error++;
334  }
335
336  if ( error ) {
337   streams_delete(stream);
338   if ( prim ) alive = 0;
339#ifdef ROAR_DRIVER_CODEC
340   if ( to_free != NULL )
341    free(to_free);
342#endif
343   return -1;
344  }
345
346  k = strtok(NULL, ",");
347 }
348
349 if ( streams_set_dir(stream, dir, 1) == -1 ) {
350  streams_delete(stream);
351  return -1;
352 }
353
354#ifdef ROAR_DRIVER_CODEC
355 if ( to_free != NULL )
356  free(to_free);
357#endif
358
359 if ( codec == ROAR_CODEC_ALAW || codec == ROAR_CODEC_MULAW )
360  s->info.bits = 8; // needed to open OSS driver, will be overriden by codecfilter
361
362 s->info.codec = codec;
363 ROAR_STREAM_SERVER(s)->codec_orgi = codec;
364
365 if ( driver_openvio(&(ss->vio), &(ss->driver_id), drv, dev, &(s->info), -1) == -1 ) {
366  ss->driver_id = -1; // don't close a driver not opened...
367  memset(&(ss->vio), 0, sizeof(struct roar_vio_calls));
368  streams_delete(stream);
369  ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = -1", drv, dev, opts);
370  if ( prim ) alive = 0;
371  return -1;
372 }
373
374 roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_SSTREAMID, &stream); // ignore errors here
375 roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_SSTREAM,   s); // ignore errors here
376
377 if ( blocks != -1 )
378  roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_DBLOCKS, &blocks);
379
380 if ( blocksize != -1 )
381  roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_DBLKSIZE, &blocksize);
382
383 // TODO: we shoudld *really* check for errors here...
384 if ( channel != -1 ) {
385  tu16 = channel;
386  roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_DMXSCHAN, &tu16);
387 }
388 if ( universe != -1 ) {
389  tu16 = universe;
390  roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_SET_DMXUNIV, &tu16);
391 }
392
393 ROAR_DBG("add_output(*): ss->driver_id=%i", ss->driver_id);
394
395 streams_set_fh(stream, -1); // update some internal structures
396
397 if ( q > -1e6 ) {
398  ROAR_DBG("add_output(*): setting q=%f", q);
399  streams_ctl(stream, ROAR_CODECFILTER_CTL_SET_Q|ROAR_STREAM_CTL_TYPE_FLOAT, &q);
400 }
401
402 client_stream_add(g_source_client, stream);
403
404 if ( prim ) {
405  streams_mark_primary(stream);
406  s->pos_rel_id = stream;
407 }
408
409 if ( sync ) {
410  streams_set_flag(stream, ROAR_FLAG_SYNC);
411 } else {
412  streams_reset_flag(stream, ROAR_FLAG_SYNC);
413 }
414
415 if ( f_mmap )
416  streams_set_flag(stream, ROAR_FLAG_MMAP);
417
418 return 0;
419}
420
421
422// SLP:
423void register_slp_callback(SLPHandle hslp, SLPError errcode, void * cookie) {
424 /* return the error code in the cookie */
425 *(SLPError*)cookie = errcode;
426}
427
428int register_slp (int unreg, char * sockname) {
429#ifdef ROAR_HAVE_LIBSLP
430 static int regged = 0;
431 static char * sn = NULL;
432 SLPError err;
433 SLPError callbackerr;
434 SLPHandle hslp;
435 char addr[1024];
436 char attr[1024] = "";
437 char * location;
438
439 if ( sockname != NULL )
440  sn = sockname;
441
442 snprintf(addr, sizeof(addr), ROAR_SLP_URL_TYPE "://%s", sn);
443
444 err = SLPOpen("en", SLP_FALSE, &hslp);
445
446 if (err != SLP_OK) {
447  ROAR_ERR("Error opening slp handle: Error #%i", err);
448  return -1;
449 }
450
451 if (!unreg) {
452
453  if ( SLPEscape(g_config->location, &location, SLP_FALSE) != SLP_OK ) {
454   ROAR_ERR("Error using SLPEscape() on server location, really bad!");
455   SLPClose(hslp);
456   return -1;
457  }
458
459  snprintf(attr, sizeof(attr), "(wave-rate=%i),(wave-channels=%i),(wave-bits=%i),"
460                               "(light-channels=%i),(location=%s)",
461           g_sa->rate, g_sa->channels, g_sa->bits,
462           g_light_state.channels,
463           location
464          );
465
466  /* Register a service with SLP */
467  err = SLPReg(hslp,
468               addr,
469               SLP_LIFETIME_MAXIMUM,
470               0,
471               attr,
472               SLP_TRUE,
473               register_slp_callback,
474               &callbackerr);
475  regged = 1;
476 } else if ( unreg && regged ) {
477  err = SLPDereg(hslp, addr, register_slp_callback, &callbackerr);
478  regged = 0;
479 } else {
480  SLPClose(hslp);
481  return -1;
482 }
483
484 /* err may contain an error code that occurred as the slp library    */
485 /* _prepared_ to make the call.                                     */
486 if ( err != SLP_OK ) {
487  ROAR_ERR("Error (de)registering service with slp: Error #%i", err);
488  return -1;
489 }
490
491 /* callbackerr may contain an error code (that was assigned through */
492 /* the callback cookie) that occurred as slp packets were sent on    */
493 /* the wire */
494 if (callbackerr != SLP_OK) {
495  ROAR_ERR("Error (de)registering service with slp: Error #%i", callbackerr);
496  return -1;
497 }
498
499 SLPClose(hslp);
500 return 0;
501#else
502 return -1;
503#endif
504}
505
506
507// MAIN:
508
509#ifdef ROAR_HAVE_MAIN_ARGS
510int main (int argc, char * argv[]) {
511#else
512int main (void) {
513#endif
514#ifdef ROAR_HAVE_MAIN_ARGS
515 int i;
516 char * k;
517#endif
518#ifdef ROAR_SUPPORT_LISTEN
519 char user_sock[80]  = {0};
520#endif
521 struct roar_audio_info sa, max_sa;
522 struct roard_config config;
523#ifdef ROAR_HAVE_FORK
524 int    daemon       = 0;
525#endif
526 int    realtime     = 0;
527 int    sysclocksync = 0;
528 char * driver    = NULL;
529 char * device    = NULL;
530#ifdef ROAR_HAVE_MAIN_ARGS
531 char * opts      = NULL;
532#endif
533// char * server = ROAR_DEFAULT_SOCK_GLOBAL;
534#ifdef ROAR_SUPPORT_LISTEN
535 int      port    = ROAR_DEFAULT_PORT;
536#endif
537 int               drvid;
538 char * s_drv     = "cf";
539 char * s_dev     = NULL;
540 char * s_con     = NULL;
541 char * s_opt     = NULL;
542 int    s_prim    = 0;
543 char * o_drv     = getenv("ROAR_DRIVER");
544 char * o_dev     = getenv("ROAR_DEVICE");
545 char * o_opts    = NULL;
546 int    o_prim    = 0;
547 int    o_count   = 0;
548 int    light_channels = LIGHT_CHANNELS_DEFAULT;
549 char * sock_grp  = ROAR_DEFAULT_SOCKGRP;
550 char * sock_user = NULL;
551#ifdef ROAR_SUPPORT_LISTEN
552 int    sock_type = ROAR_SOCKET_TYPE_UNKNOWN;
553#endif
554#ifdef ROAR_HAVE_LIBSLP
555 int    reg_slp   = 0;
556#endif
557#ifdef ROAR_HAVE_CHROOT
558 char * chrootdir = NULL;
559#endif
560#if defined(ROAR_HAVE_SETGID) || defined(ROAR_HAVE_SETUID)
561 int    setids    = 0;
562#endif
563#ifdef ROAR_HAVE_UNIX
564 char * env_roar_proxy_backup;
565#endif
566#if defined(ROAR_HAVE_SETGID) && defined(ROAR_HAVE_IO_POSIX)
567 struct group   * grp  = NULL;
568#endif
569#if defined(ROAR_HAVE_SETUID) && defined(ROAR_HAVE_IO_POSIX)
570 struct passwd  * pwd  = NULL;
571#endif
572#ifdef ROAR_HAVE_GETSERVBYNAME
573 struct servent * serv = NULL;
574#endif
575 DRIVER_USERDATA_T drvinst;
576 struct roar_client * self = NULL;
577#ifdef ROAR_HAVE_LIBDNET
578 char decnethost[80];
579#endif
580#ifdef SUPPORT_PIDFILE
581 struct roar_vio_calls pidfile_vio;
582#endif
583
584 g_standby       =  0;
585 g_autostandby   =  0;
586 alive           =  1;
587#ifdef ROAR_SUPPORT_LISTEN
588 g_no_listen     =  0;
589 g_listen_socket = -1;
590#else
591 g_terminate     =  1;
592#endif
593
594 sa.bits     = ROAR_BITS_DEFAULT;
595 sa.channels = ROAR_CHANNELS_DEFAULT;
596 sa.rate     = ROAR_RATE_DEFAULT;
597 sa.codec    = ROAR_CODEC_DEFAULT;
598
599 g_sa        = &sa;
600 g_max_sa    = &max_sa;
601
602 memcpy(g_max_sa, g_sa, sizeof(max_sa));
603
604 g_config = &config;
605
606 if ( init_config() == -1 ) {
607  ROAR_ERR("Can not init default config!");
608  return 1;
609 }
610
611 if ( midi_init_config() == -1 ) {
612  ROAR_ERR("Can not init MIDI config!");
613  return 1;
614 }
615
616#ifdef ROAR_SUPPORT_LISTEN
617#ifdef ROAR_HAVE_GETUID
618 if ( getuid() != 0 && getenv("HOME") != NULL ) {
619  snprintf(user_sock, 79, "%s/%s", (char*)getenv("HOME"), ROAR_DEFAULT_SOCK_USER);
620  server = user_sock;
621 }
622#endif
623
624 if ( getenv("ROAR_SERVER") != NULL )
625  server = getenv("ROAR_SERVER");
626#endif
627
628 if ( clients_init() == -1 ) {
629  ROAR_ERR("Can not init clients!");
630  return 1;
631 }
632
633 if ( streams_init() == -1 ) {
634  ROAR_ERR("Can not init streams!");
635  return 1;
636 }
637
638 if ( (g_self_client = clients_new()) == -1 ) {
639  ROAR_ERR("Can not create self client!");
640  return 1;
641 }
642
643 if ( sources_init() == -1 ) {
644  ROAR_ERR("Can not init sources!");
645  return 1;
646 }
647
648 if ( (sources_set_client(g_self_client)) == -1 ) {
649  ROAR_ERR("Can not init set source client!");
650  return 1;
651 }
652
653#ifdef ROAR_HAVE_MAIN_ARGS
654 for (i = 1; i < argc; i++) {
655  k = argv[i];
656
657  if ( strcmp(k, "-h") == 0 || strcmp(k, "--help") == 0 ) {
658   usage();
659   return 0;
660
661  } else if ( strcmp(k, "--start") == 0 ) {
662   // this is a no op
663  } else if ( strcmp(k, "--restart") == 0 ) {
664#ifdef ROAR_SUPPORT_LISTEN
665   if ( restart_server(server, 1) == -1 ) {
666    ROAR_WARN("Can not terminate old server (not running at %s?), tring to continue anyway", server);
667   }
668#else
669   ROAR_ERR("--restart not supported");
670#endif
671  } else if ( strcmp(k, "--shutdown") == 0 ) {
672#ifdef ROAR_SUPPORT_LISTEN
673   if ( restart_server(server, 1) == -1 ) {
674    ROAR_WARN("Can not terminate old server (not running at %s?)", server);
675    return 1;
676   }
677   return 0;
678#else
679   ROAR_ERR("--shutdown not supported");
680   return 1;
681#endif
682  } else if ( strcmp(k, "--stop") == 0 ) {
683#ifdef ROAR_SUPPORT_LISTEN
684   if ( restart_server(server, 0) == -1 ) {
685    ROAR_WARN("Can not stop old server (not running at %s?)", server);
686    return 1;
687   }
688   return 0;
689#else
690   ROAR_ERR("--stop not supported");
691   return 1;
692#endif
693
694
695  } else if ( strcmp(k, "--demon") == 0 || strcmp(k, "--daemon") == 0 ) {
696#ifdef ROAR_HAVE_FORK
697   daemon = 1;
698#else
699   ROAR_ERR("--daemon not supported");
700#endif
701  } else if ( strcmp(k, "--terminate") == 0 ) {
702   g_terminate = 1;
703  } else if ( strcmp(k, "--sysclocksync") == 0 ) {
704   sysclocksync = 1000;
705  } else if ( strcmp(k, "--realtime") == 0 ) {
706   realtime++;
707  } else if ( strcmp(k, "--chroot") == 0 ) {
708#ifdef ROAR_HAVE_CHROOT
709   chrootdir = argv[++i];
710#else
711   ROAR_ERR("--chroot not supported");
712   i++;
713#endif
714  } else if ( strcmp(k, "--setgid") == 0 ) {
715#ifdef ROAR_HAVE_SETGID
716   setids |= R_SETGID;
717#else
718   ROAR_ERR("--setgid not supported");
719#endif
720  } else if ( strcmp(k, "--setuid") == 0 ) {
721#ifdef ROAR_HAVE_SETUID
722   setids |= R_SETUID;
723#else
724   ROAR_ERR("--setuid not supported");
725#endif
726  } else if ( strcmp(k, "--location") == 0 ) {
727   g_config->location = argv[++i];
728  } else if ( strcmp(k, "--pidfile") == 0 ) {
729#ifdef SUPPORT_PIDFILE
730   pidfile = argv[++i];
731#else
732   ROAR_ERR("--pidfile not supported");
733   i++;
734#endif
735
736  } else if ( strcmp(k, "--list-cf") == 0 ) {
737   print_codecfilterlist();
738   return 0;
739
740  } else if ( strcmp(k, "-R") == 0 || strcmp(k, "--rate") == 0 ) {
741   sa.rate = atoi(argv[++i]);
742  } else if ( strcmp(k, "-B") == 0 || strcmp(k, "--bits") == 0 ) {
743   sa.bits = atoi(argv[++i]);
744  } else if ( strcmp(k, "-C") == 0 || strcmp(k, "--chans") == 0 ) {
745   sa.channels = atoi(argv[++i]);
746
747  } else if ( strcmp(k, "-d") == 0 || strcmp(k, "--driver") == 0 ) {
748   driver = argv[++i];
749   if ( strcmp(driver, "list") == 0 ) {
750    ROAR_WARN("The option is obsolete, use --list-driver!");
751    print_driverlist();
752    return 0;
753   }
754  } else if ( strcmp(k, "-D") == 0 || strcmp(k, "--device") == 0 ) {
755   device = argv[++i];
756  } else if ( strcmp(k, "-dO") == 0 ) {
757   opts = argv[++i];
758  } else if ( strcmp(k, "--list-driver") == 0 ) {
759   print_driverlist();
760   return 0;
761
762  } else if ( strcmp(k, "-o") == 0 || strcmp(k, "--odriver") == 0 ) {
763   o_drv  = argv[++i];
764  } else if ( strcmp(k, "-O") == 0 || strcmp(k, "--odevice") == 0 ) {
765   o_dev  = argv[++i];
766  } else if ( strcmp(k, "-oO") == 0 ) {
767   o_opts = argv[++i];
768  } else if ( strcmp(k, "-oP") == 0 ) {
769   o_prim = 1;
770  } else if ( strcmp(k, "-oN") == 0 ) {
771   if ( add_output(o_drv, o_dev, o_opts, o_prim, o_count) != -1 )
772    o_count++;
773
774   o_drv  = o_dev = o_opts = NULL;
775   o_prim = 0;
776
777  } else if ( strcmp(k, "-s") == 0 || strcmp(k, "--source") == 0 ) {
778   s_drv = argv[++i];
779  } else if ( strcmp(k, "-S") == 0 ) {
780   s_dev = argv[++i];
781  } else if ( strcmp(k, "-sO") == 0 ) {
782   s_opt = argv[++i];
783  } else if ( strcmp(k, "-sC") == 0 ) {
784   s_con = argv[++i];
785  } else if ( strcmp(k, "-sP") == 0 ) {
786   s_prim = 1;
787  } else if ( strcmp(k, "-sN") == 0 ) {
788   if ( sources_add(s_drv, s_dev, s_con, s_opt, s_prim) == -1 ) {
789    ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, s_drv);
790   }
791   s_opt = s_dev = s_con = NULL;
792   s_drv = "cf";
793   s_prim = 0;
794
795  } else if ( strcmp(k, "--light-channels") == 0 ) {
796   light_channels = atoi(argv[++i]);
797
798  } else if ( strcmp(k, "--midi-no-console") == 0 ) {
799   midi_config.init_cb = 0;
800  } else if ( strcmp(k, "--midi-console") == 0 ) {
801   midi_config.console_dev = argv[++i];
802
803  } else if ( strcmp(k, "-p") == 0 || strcmp(k, "--port") == 0 ) {
804   // This is only usefull in INET not UNIX mode.
805#ifdef ROAR_SUPPORT_LISTEN
806   if ( *server == '/' )
807    server = ROAR_DEFAULT_HOST;
808
809   errno = 0;
810   if ( (port = atoi(argv[++i])) < 1 ) {
811#ifdef ROAR_HAVE_GETSERVBYNAME
812    if ( (serv = getservbyname(argv[i], "tcp")) == NULL ) {
813     ROAR_ERR("Unknown service: %s: %s", argv[i], strerror(errno));
814     return 1;
815    }
816    // NOTE: we need to use ROAR_NET2HOST16() here even if s_port is of type int!
817    ROAR_DBG("main(*): serv = {s_name='%s', s_aliases={...}, s_port=%i, s_proto='%s'}",
818            serv->s_name, ROAR_NET2HOST16(serv->s_port), serv->s_proto);
819    port = ROAR_NET2HOST16(serv->s_port);
820#else
821    ROAR_ERR("invalite port number: %s", argv[i]);
822    return 1;
823#endif
824   }
825#endif
826  } else if ( strcmp(k, "-b") == 0 || strcmp(k, "--bind") == 0 || strcmp(k, "--sock") == 0 ) {
827#ifdef ROAR_SUPPORT_LISTEN
828   server = argv[++i];
829#endif
830
831  } else if ( strcmp(k, "-t") == 0 || strcmp(k, "--tcp") == 0 ) {
832#ifdef ROAR_SUPPORT_LISTEN
833   if ( sock_type != ROAR_SOCKET_TYPE_TCP && sock_type != ROAR_SOCKET_TYPE_TCP6 )
834    sock_type = ROAR_SOCKET_TYPE_TCP;
835
836   if ( *server == '/' )
837    server = ROAR_DEFAULT_HOST;
838#endif
839
840  } else if ( strcmp(k, "-4") == 0 ) {
841#ifdef ROAR_SUPPORT_LISTEN
842   sock_type = ROAR_SOCKET_TYPE_TCP;
843   if ( *server == '/' )
844    server = ROAR_DEFAULT_HOST;
845#endif
846  } else if ( strcmp(k, "-6") == 0 ) {
847#ifdef ROAR_SUPPORT_LISTEN
848#ifdef PF_INET6
849   sock_type = ROAR_SOCKET_TYPE_TCP6;
850   if ( *server == '/' )
851    server = ROAR_DEFAULT_HOST;
852#else
853    ROAR_ERR("No IPv6 support compiled in!");
854    return 1;
855#endif
856#endif
857
858  } else if ( strcmp(k, "-u") == 0 || strcmp(k, "--unix") == 0 ) {
859#ifdef ROAR_SUPPORT_LISTEN
860   // ignore this case as it is the default behavor.
861   sock_type = ROAR_SOCKET_TYPE_UNIX;
862#endif
863
864  } else if ( strcmp(k, "-n") == 0 || strcmp(k, "--decnet") == 0 ) {
865#ifdef ROAR_SUPPORT_LISTEN
866#ifdef ROAR_HAVE_LIBDNET
867    port   = ROAR_DEFAULT_NUM;
868    strcpy(decnethost, ROAR_DEFAULT_LISTEN_OBJECT);
869    server = decnethost;
870    sock_type = ROAR_SOCKET_TYPE_DECNET;
871#else
872    ROAR_ERR("No DECnet support compiled in!");
873    return 1;
874#endif
875#endif
876
877  } else if ( strcmp(k, "--slp") == 0 ) {
878#ifdef ROAR_HAVE_LIBSLP
879   reg_slp = 1;
880#else
881    ROAR_ERR("No OpenSLP support compiled in!");
882    return 1;
883#endif
884
885  } else if ( strcmp(k, "-G") == 0 ) {
886   sock_grp  = argv[++i];
887  } else if ( strcmp(k, "-U") == 0 ) {
888   sock_user = argv[++i];
889
890  } else if ( strcmp(k, "--no-listen") == 0 ) {
891#ifdef ROAR_SUPPORT_LISTEN
892   server      = "";
893   g_terminate = 1;
894   g_no_listen = 1;
895#endif
896  } else if ( strcmp(k, "--client-fh") == 0 ) {
897   if ( clients_set_fh(clients_new(), atoi(argv[++i])) == -1 ) {
898    ROAR_ERR("main(*): Can not set client's fh");
899    return 1;
900   }
901  } else if ( strcmp(k, "--close-fh") == 0 ) {
902#ifdef ROAR_HAVE_IO_POSIX
903   close(atoi(argv[++i]));
904#else
905   i++;
906   ROAR_WARN("can not close file handle %s (closing not supported)", argv[i]);
907#endif
908
909  } else if ( strcmp(k, "--standby") == 0 ) {
910   g_standby = 1;
911  } else if ( strcmp(k, "--auto-standby") == 0 ) {
912   g_autostandby = 1;
913  } else {
914   usage();
915   return 1;
916  }
917
918 }
919#endif
920
921 if ( s_dev != NULL ) {
922  if ( sources_add(s_drv, s_dev, s_con, s_opt, s_prim) == -1 ) {
923   ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, s_drv);
924  }
925 }
926
927 add_output(o_drv, o_dev, o_opts, o_prim, o_count);
928
929 ROAR_DBG("Server config: rate=%i, bits=%i, chans=%i", sa.rate, sa.bits, sa.channels);
930
931 if ( midi_init() == -1 ) {
932  ROAR_ERR("Can not initialize MIDI subsystem");
933 }
934
935 if ( light_init(light_channels) == -1 ) {
936  ROAR_ERR("Can not initialize light control subsystem");
937 }
938
939#ifdef ROAR_SUPPORT_LISTEN
940 if ( *server != 0 ) {
941  if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
942#ifdef ROAR_HAVE_UNIX
943   if ( *server == '/' ) {
944    if ( (env_roar_proxy_backup = getenv("ROAR_PROXY")) != NULL ) {
945     env_roar_proxy_backup = strdup(env_roar_proxy_backup);
946     unsetenv("ROAR_PROXY");
947    }
948    if ( (i = roar_socket_connect(server, port)) != -1 ) {
949     close(i);
950     ROAR_ERR("Can not open listen socket!");
951     return 1;
952    } else {
953     unlink(server);
954     if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
955      ROAR_ERR("Can not open listen socket!");
956      return 1;
957     }
958    }
959    if ( env_roar_proxy_backup != NULL ) {
960     setenv("ROAR_PROXY", env_roar_proxy_backup, 0);
961     free(env_roar_proxy_backup);
962    }
963#else
964   if (0) { // noop
965#endif
966   } else {
967    ROAR_ERR("Can not open listen socket!");
968    return 1;
969   }
970  }
971
972#if defined(ROAR_HAVE_SETGID) && defined(ROAR_HAVE_IO_POSIX)
973  if ( (grp = getgrnam(sock_grp)) == NULL ) {
974   ROAR_ERR("Can not get GID for group %s: %s", sock_grp, strerror(errno));
975  }
976#endif
977#if defined(ROAR_HAVE_SETUID) && defined(ROAR_HAVE_IO_POSIX)
978  if ( sock_user || (setids & R_SETUID) ) {
979   if ( (pwd = getpwnam(sock_user)) == NULL ) {
980    ROAR_ERR("Can not get UID for user %s: %s", sock_user, strerror(errno));
981   }
982  }
983#endif
984
985#if defined(ROAR_HAVE_IO_POSIX) && defined(ROAR_HAVE_UNIX)
986  if ( *server == '/' ) {
987   if ( grp ) {
988    if ( pwd ) {
989     if ( chown(server, pwd->pw_uid, grp->gr_gid) == -1 )
990      return 1;
991    } else {
992     if ( chown(server, -1, grp->gr_gid) == -1 )
993      return 1;
994    }
995#ifdef ROAR_HAVE_GETUID
996    if ( getuid() == 0 )
997     if ( chmod(server, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) == -1 )
998      return 1;
999#endif
1000   }
1001  }
1002#endif
1003 }
1004#endif
1005
1006 if ( output_buffer_init(&sa) == -1 ) {
1007  ROAR_ERR("Can not init output buffer!");
1008  return 1;
1009 }
1010
1011 if ( driver == NULL ) {
1012  driver = "null";
1013 } else {
1014  ROAR_WARN("Usage of old driver interface. use -o not -d!");
1015 }
1016
1017 if ( driver_open(&drvinst, &drvid, driver, device, &sa) == -1 ) {
1018  ROAR_ERR("Can not open output driver!");
1019  return 1;
1020 }
1021
1022 if ( samples_init() == -1 ) {
1023  ROAR_ERR("Can not init samples!");
1024  return 1;
1025 }
1026
1027
1028 // we should handle this on microcontrollers, too.
1029#if !defined(ROAR_TARGET_MICROCONTROLLER) && !defined(ROAR_TARGET_WIN32)
1030 signal(SIGINT,  on_sig_int);
1031 signal(SIGCHLD, on_sig_chld);
1032 signal(SIGUSR1, on_sig_usr1);
1033 signal(SIGPIPE, SIG_IGN);  // ignore broken pipes
1034#endif
1035
1036 if ( realtime ) {
1037#ifdef DEBUG
1038  ROAR_WARN("compiled with -DDEBUG but realtime is enabled: for real realtime support compiel without -DDEBUG");
1039#endif
1040
1041#ifdef ROAR_HAVE_NICE
1042  errno = 0;
1043  nice(-5*realtime); // -5 for each --realtime
1044  if ( errno ) {
1045   ROAR_WARN("Can not decrease nice value by %i: %s", 5*realtime, strerror(errno));
1046  }
1047#else
1048  ROAR_WARN("Can not decrease nice value by %i: %s", 5*realtime, strerror(errno));
1049#endif
1050/*
1051#ifdef __linux__
1052  if ( ioprio_set(IOPRIO_WHO_PROCESS, getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0)) == -1 )
1053   ROAR_WARN("Can not set io priority: %s", strerror(errno));
1054#endif
1055*/
1056 }
1057
1058#ifdef ROAR_HAVE_SETGID
1059 if ( setids & R_SETGID ) {
1060  if ( setgroups(0, (const gid_t *) NULL) == -1 ) {
1061   ROAR_ERR("Can not clear supplementary group IDs: %s", strerror(errno));
1062  }
1063  if ( !grp || setgid(grp->gr_gid) == -1 ) {
1064   ROAR_ERR("Can not set GroupID: %s", strerror(errno));
1065  }
1066 }
1067#endif
1068
1069
1070 clients_set_pid(g_self_client, getpid());
1071#ifdef ROAR_HAVE_GETUID
1072 clients_set_uid(g_self_client, getuid());
1073#endif
1074#ifdef ROAR_HAVE_GETGID
1075 clients_set_gid(g_self_client, getgid());
1076#endif
1077 clients_get(g_self_client, &self);
1078
1079 if ( self == NULL ) {
1080  ROAR_ERR("Can not get self client!");
1081  return 1;
1082 }
1083
1084 strcpy(self->name, "RoarAudio daemon internal");
1085
1086#ifdef ROAR_HAVE_FORK
1087 if ( daemon ) {
1088  close(ROAR_STDIN );
1089  close(ROAR_STDOUT);
1090  close(ROAR_STDERR);
1091
1092  if ( fork() )
1093   ROAR_U_EXIT(0);
1094
1095#ifdef ROAR_HAVE_SETSID
1096  setsid();
1097#endif
1098  clients_set_pid(g_self_client, getpid()); // reset pid as it changed
1099 }
1100#endif
1101
1102#ifdef SUPPORT_PIDFILE
1103 if ( pidfile != NULL ) {
1104  if ( roar_vio_open_file(&pidfile_vio, pidfile, O_WRONLY|O_CREAT, 0644) == -1 ) {
1105   ROAR_ERR("Can not write pidfile: %s", pidfile);
1106  } else {
1107   roar_vio_printf(&pidfile_vio, "%i\n", getpid());
1108   roar_vio_close(&pidfile_vio);
1109  }
1110 }
1111#endif
1112
1113#ifdef ROAR_HAVE_CHROOT
1114 if (chrootdir) {
1115  if ( chroot(chrootdir) == -1 ) {
1116   ROAR_ERR("Can not chroot to %s: %s", chrootdir, strerror(errno));
1117   return 2;
1118  }
1119  if ( chdir("/") == -1 ) {
1120   ROAR_ERR("Can not chdir to /: %s", strerror(errno));
1121   return 2;
1122  }
1123 }
1124#endif
1125
1126#ifdef ROAR_HAVE_SETUID
1127 if ( setids & R_SETUID ) {
1128  if ( !pwd || setuid(pwd->pw_uid) == -1 ) {
1129   ROAR_ERR("Can not set UserID: %s", strerror(errno));
1130   return 3;
1131  }
1132#ifdef ROAR_HAVE_GETUID
1133  clients_set_uid(g_self_client, getuid());
1134#endif
1135 }
1136#endif
1137
1138 // Register with OpenSLP:
1139#ifdef ROAR_HAVE_LIBSLP
1140 if ( reg_slp ) {
1141  register_slp(0, server);
1142 }
1143#endif
1144
1145 // start main loop...
1146 main_loop(drvid, drvinst, &sa, sysclocksync);
1147
1148 // clean up.
1149 clean_quit_prep();
1150 driver_close(drvinst, drvid);
1151 output_buffer_free();
1152
1153 return 0;
1154}
1155
1156void cleanup_listen_socket (int terminate) {
1157 // Deregister from SLP:
1158#ifdef ROAR_HAVE_LIBSLP
1159 register_slp(1, NULL);
1160#endif
1161
1162#ifdef ROAR_SUPPORT_LISTEN
1163 if ( g_listen_socket != -1 ) {
1164#ifdef ROAR_HAVE_IO_POSIX
1165  close(g_listen_socket);
1166#endif // #else is useless because we are in void context.
1167
1168  g_listen_socket = -1;
1169
1170#ifdef ROAR_HAVE_UNIX
1171  if ( *server == '/' )
1172   unlink(server);
1173#endif
1174 }
1175
1176#endif
1177
1178 if ( terminate )
1179  g_terminate = 1;
1180}
1181
1182void clean_quit_prep (void) {
1183 cleanup_listen_socket(0);
1184
1185 sources_free();
1186 streams_free();
1187 clients_free();
1188 midi_cb_stop(); // stop console beep
1189 midi_free();
1190 light_free();
1191
1192#ifdef SUPPORT_PIDFILE
1193 if ( pidfile != NULL )
1194  unlink(pidfile);
1195#endif
1196}
1197
1198void clean_quit (void) {
1199 clean_quit_prep();
1200// driver_close(drvinst, drvid);
1201// output_buffer_free();
1202 exit(0);
1203}
1204
1205//ll
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