source: roaraudio/roard/roard.c @ 1120:b6c25640aa42

Last change on this file since 1120:b6c25640aa42 was 1120:b6c25640aa42, checked in by phi, 15 years ago

added support to esd driver for sync and async streams
File size: 18.8 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
27char * server = ROAR_DEFAULT_SOCK_GLOBAL; // global server address
28
29void usage (void) {
30 printf("Usage: roard [OPTIONS]...\n\n");
31
32 printf("Misc Options:\n\n");
33 printf(
34        " --daemon              - Bring the server into background after init\n"
35        " --terminate           - Terminate after last client quited\n"
36        " --restart             - Trys to stop an old instance and start a new with new settings\n"
37        " --realtime            - Trys to get realtime priority,\n"
38        "                         give multible times for being more realtime\n"
39        " --chroot DIR          - chroots to the given dir\n"
40        " --setgid              - GroupID to the audio group as specified via -G\n"
41        " --setuid              - UserID to the audio user as specified via -U\n"
42        " --sysclocksync        - calculate exact sample rate using the system clock\n"
43       );
44
45 printf("\nAudio Options:\n\n");
46 printf(
47        " -R  --rate   RATE     - Set server rate\n"
48        " -B  --bits   BITS     - Set server bits\n"
49        " -C  --chans  CHANNELS - Set server channels\n"
50       );
51
52 printf("\nDriver Options:\n\n");
53 printf(" -d  --driver DRV      - Set the driver (default: %s)\n", ROAR_DRIVER_DEFAULT);
54 printf(" -D  --device DEV      - Set the device\n");
55 printf(" -dO OPTS              - Set output options\n");
56 printf(" --list-driver         - List all drivers\n");
57
58 printf("\nOutput Options:\n\n");
59 printf(" -o  --odriver DRV     - Set the driver, use '--list-driver' to get a list\n");
60 printf(" -O  --odevice DEV     - Set the device\n");
61 printf(" -oO OPTS              - Set output options\n");
62 printf(" -oN                   - Adds another output\n");
63 printf(" -oP                   - Mark output as primary\n");
64
65 printf("\nSource Options:\n\n");
66 printf(" -s  --source DRV      - Use DRV as input driver\n"
67        " -S           DEV      - Use DEV as input device\n"
68        " -sO          OPTS     - Use OPTS as input options\n"
69        " -sP                   - Make souce as primary\n"
70       );
71
72 printf("\nCodec Filter Options:\n\n");
73 printf(" --list-cf             - List all codec filter\n"
74       );
75
76 printf("\nServer Options:\n\n");
77 printf(" -t  --tcp             - Use TCP listen socket\n"
78        " -u  --unix            - Use UNIX Domain listen socket (default)\n"
79#ifdef ROAR_HAVE_LIBDNET
80        " -n  --decnet          - use DECnet listen socket\n"
81#endif
82        " -4                    - Use IPv4 connections (implies -t)\n"
83#ifdef PF_INET6
84        " -6                    - Use IPv6 connections (implies -t)\n"
85#endif
86#ifdef IPV6_ADDRFORM
87        " -64                   - Try to downgrade sockets from IPv6 into IPv4,\n"
88        "                         this is normaly not usefull.\n"
89#endif
90        " -p  --port            - TCP Port to bind to\n"
91        " -b  --bind            - IP/Hostname to bind to\n"
92        "     --sock            - Filename for UNIX Domain Socket\n"
93        " -G  GROUP             - Sets the group for the UNIX Domain Socket, (default: %s)\n"
94        "                         You need the permittions to change the GID\n"
95        " -U  USER              - Sets the user for the UNIX Domain Socket, (default: do not set)\n"
96        "                         You need the permittions to change the UID (normaly only root has)\n"
97        " --no-listen           - Do not listen for new clients\n"
98        "                         (only usefull for relaing, impleys --terminate)\n"
99        " --client-fh           - Comunicate with a client over this handle\n"
100        "                         (only usefull for relaing)\n"
101        " --close-fh            - Closes the given fh\n"
102        " --standby             - Start in standby state\n"
103        " --auto-standby        - Automatical goes into standby if there are no streams\n",
104        ROAR_DEFAULT_SOCKGRP
105       );
106// printf("\n Options:\n\n");
107 printf("\n");
108}
109
110int restart_server (char * server) {
111 struct roar_connection con;
112 if ( roar_connect(&con, server) == -1 ) {
113  return -1;
114 }
115
116 if ( roar_terminate(&con, 1) == -1 ) {
117  return -1;
118 }
119
120 return roar_disconnect(&con);
121}
122
123#define R_SETUID 1
124#define R_SETGID 2
125
126int add_output (char * drv, char * dev, char * opts, int prim) {
127 int stream;
128 struct roar_stream * s;
129 struct roar_stream_server * ss;
130 char * k, * v;
131 int codec;
132 int sync = 0;
133
134 ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = ?", drv, dev, opts);
135
136 if ( (stream = streams_new()) == -1 ) {
137  ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = -1", drv, dev, opts);
138  if ( prim ) alive = 0;
139  return -1;
140 }
141
142 streams_get(stream, &ss);
143 s = ROAR_STREAM(ss);
144
145 memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info));
146
147 s->dir        = ROAR_DIR_OUTPUT;
148 s->pos_rel_id = -1;
149// s->info.codec = codec;
150
151 codec = s->info.codec;
152
153 k = strtok(opts, ",");
154 while (k != NULL) {
155//  ROAR_WARN("add_output(*): opts: %s", k);
156
157  if ( (v = strstr(k, "=")) != NULL ) {
158   *v++ = 0;
159  }
160
161  ROAR_DBG("add_output(*): opts: k='%s', v='%s'", k, v);
162  if ( strcmp(k, "rate") == 0 ) {
163   s->info.rate = atoi(v);
164  } else if ( strcmp(k, "channels") == 0 ) {
165   s->info.channels = atoi(v);
166  } else if ( strcmp(k, "bits") == 0 ) {
167   s->info.bits = atoi(v);
168  } else if ( strcmp(k, "codec") == 0 ) {
169   if ( (codec = roar_str2codec(v)) == -1 ) {
170    ROAR_ERR("add_output(*): unknown codec '%s'", v);
171    streams_delete(stream);
172    if ( prim ) alive = 0;
173    return -1;
174   }
175  } else if ( strcmp(k, "meta") == 0 ) {
176   streams_set_flag(stream, ROAR_FLAG_META);
177  } else if ( strcmp(k, "sync") == 0 ) {
178   sync = 1;
179  } else {
180   ROAR_ERR("add_output(*): unknown option '%s'", k);
181   streams_delete(stream);
182   if ( prim ) alive = 0;
183   return -1;
184  }
185
186  k = strtok(NULL, ",");
187 }
188
189 if ( codec == ROAR_CODEC_ALAW || codec == ROAR_CODEC_MULAW )
190  s->info.bits = 8; // needed to open OSS driver, will be overriden by codecfilter
191
192 s->info.codec = codec;
193 ROAR_STREAM_SERVER(s)->codec_orgi = codec;
194
195 if ( driver_openvio(&(ss->vio), &(ss->driver_id), drv, dev, &(s->info), -1) ) {
196  streams_delete(stream);
197  ROAR_DBG("add_output(drv='%s', dev='%s', opts='%s') = -1", drv, dev, opts);
198  if ( prim ) alive = 0;
199  return -1;
200 }
201
202 streams_set_fh(stream, -1); // update some internal structures
203
204 client_stream_add(g_source_client, stream);
205
206 if ( prim )
207  streams_mark_primary(stream);
208
209 if ( sync ) {
210  streams_set_flag(stream, ROAR_FLAG_SYNC);
211 } else {
212  streams_reset_flag(stream, ROAR_FLAG_SYNC);
213 }
214
215 return 0;
216}
217
218int main (int argc, char * argv[]) {
219 int i;
220 char * k;
221 char user_sock[80]  = {0};
222 struct roar_audio_info sa;
223 int    daemon       = 0;
224 int    realtime     = 0;
225 int    sysclocksync = 0;
226 char * driver = getenv("ROAR_DRIVER");
227 char * device = getenv("ROAR_DEVICE");
228 char * opts   = NULL;
229// char * server = ROAR_DEFAULT_SOCK_GLOBAL;
230 int      port = ROAR_DEFAULT_PORT;
231 int               drvid;
232 char * s_drv     = "cf";
233 char * s_dev     = NULL;
234 char * s_con     = NULL;
235 char * s_opt     = NULL;
236 int    s_prim    = 0;
237 char * o_drv     = NULL;
238 char * o_dev     = NULL;
239 char * o_opts    = NULL;
240 int    o_prim    = 0;
241 char * sock_grp  = ROAR_DEFAULT_SOCKGRP;
242 char * sock_user = NULL;
243 int    sock_type = ROAR_SOCKET_TYPE_UNKNOWN;
244 char * chrootdir = NULL;
245 int    setids    = 0;
246 char * env_roar_proxy_backup;
247 struct group   * grp  = NULL;
248 struct passwd  * pwd  = NULL;
249 struct servent * serv = NULL;
250 DRIVER_USERDATA_T drvinst;
251 struct roar_client * self = NULL;
252#ifdef ROAR_HAVE_LIBDNET
253 char decnethost[80];
254#endif
255
256 g_listen_socket = -1;
257 g_standby       =  0;
258 g_autostandby   =  0;
259 alive           =  1;
260
261 sa.bits     = ROAR_BITS_DEFAULT;
262 sa.channels = ROAR_CHANNELS_DEFAULT;
263 sa.rate     = ROAR_RATE_DEFAULT;
264 sa.codec    = ROAR_CODEC_DEFAULT;
265
266 g_sa = &sa;
267
268
269 if ( getuid() != 0 && getenv("HOME") ) {
270  snprintf(user_sock, 79, "%s/%s", getenv("HOME"), ROAR_DEFAULT_SOCK_USER);
271  server = user_sock;
272 }
273
274 if ( getenv("ROAR_SERVER") != NULL )
275  server = getenv("ROAR_SERVER");
276
277 if ( clients_init() == -1 ) {
278  ROAR_ERR("Can not init clients!");
279  return 1;
280 }
281
282 if ( streams_init() == -1 ) {
283  ROAR_ERR("Can not init streams!");
284  return 1;
285 }
286
287 if ( (g_self_client = clients_new()) == -1 ) {
288  ROAR_ERR("Can not create self client!");
289  return 1;
290 }
291
292 if ( sources_init() == -1 ) {
293  ROAR_ERR("Can not init sources!");
294  return 1;
295 }
296
297 if ( (sources_set_client(g_self_client)) == -1 ) {
298  ROAR_ERR("Can not init set source client!");
299  return 1;
300 }
301
302 for (i = 1; i < argc; i++) {
303  k = argv[i];
304
305  if ( strcmp(k, "-h") == 0 || strcmp(k, "--help") == 0 ) {
306   usage();
307   return 0;
308
309  } else if ( strcmp(k, "--restart") == 0 ) {
310   if ( restart_server(server) == -1 ) {
311    ROAR_WARN("Can not terminate old server (not running at %s?), tring to continue anyway", server);
312   }
313
314  } else if ( strcmp(k, "--demon") == 0 || strcmp(k, "--daemon") == 0 ) {
315   daemon = 1;
316  } else if ( strcmp(k, "--terminate") == 0 ) {
317   g_terminate = 1;
318  } else if ( strcmp(k, "--sysclocksync") == 0 ) {
319   sysclocksync = 1000;
320  } else if ( strcmp(k, "--realtime") == 0 ) {
321   realtime++;
322  } else if ( strcmp(k, "--chroot") == 0 ) {
323   chrootdir = argv[++i];
324  } else if ( strcmp(k, "--setgid") == 0 ) {
325   setids |= R_SETGID;
326  } else if ( strcmp(k, "--setuid") == 0 ) {
327   setids |= R_SETUID;
328
329  } else if ( strcmp(k, "--list-cf") == 0 ) {
330   print_codecfilterlist();
331   return 0;
332
333  } else if ( strcmp(k, "-R") == 0 || strcmp(k, "--rate") == 0 ) {
334   sa.rate = atoi(argv[++i]);
335  } else if ( strcmp(k, "-B") == 0 || strcmp(k, "--bits") == 0 ) {
336   sa.bits = atoi(argv[++i]);
337  } else if ( strcmp(k, "-C") == 0 || strcmp(k, "--chans") == 0 ) {
338   sa.channels = atoi(argv[++i]);
339
340  } else if ( strcmp(k, "-d") == 0 || strcmp(k, "--driver") == 0 ) {
341   driver = argv[++i];
342   if ( strcmp(driver, "list") == 0 ) {
343    ROAR_WARN("The option is obsolete, use --list-driver!");
344    print_driverlist();
345    return 0;
346   }
347  } else if ( strcmp(k, "-D") == 0 || strcmp(k, "--device") == 0 ) {
348   device = argv[++i];
349  } else if ( strcmp(k, "-dO") == 0 ) {
350   opts = argv[++i];
351  } else if ( strcmp(k, "--list-driver") == 0 ) {
352   print_driverlist();
353   return 0;
354
355  } else if ( strcmp(k, "-o") == 0 || strcmp(k, "--odriver") == 0 ) {
356   o_drv  = argv[++i];
357  } else if ( strcmp(k, "-O") == 0 || strcmp(k, "--odevice") == 0 ) {
358   o_dev  = argv[++i];
359  } else if ( strcmp(k, "-oO") == 0 ) {
360   o_opts = argv[++i];
361  } else if ( strcmp(k, "-oP") == 0 ) {
362   o_prim = 1;
363  } else if ( strcmp(k, "-oN") == 0 ) {
364   add_output(o_drv, o_dev, o_opts, o_prim);
365   o_drv  = o_dev = o_opts = NULL;
366   o_prim = 0;
367
368  } else if ( strcmp(k, "-s") == 0 || strcmp(k, "--source") == 0 ) {
369   s_drv = argv[++i];
370  } else if ( strcmp(k, "-S") == 0 ) {
371   s_dev = argv[++i];
372  } else if ( strcmp(k, "-sO") == 0 ) {
373   s_opt = argv[++i];
374  } else if ( strcmp(k, "-sC") == 0 ) {
375   s_con = argv[++i];
376  } else if ( strcmp(k, "-sP") == 0 ) {
377   s_prim = 1;
378  } else if ( strcmp(k, "-sN") == 0 ) {
379   if ( sources_add(s_drv, s_dev, s_con, s_opt, s_prim) == -1 ) {
380    ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, s_drv);
381   }
382   s_opt = s_dev = s_con = NULL;
383   s_drv = "cf";
384   s_prim = 0;
385
386  } else if ( strcmp(k, "-p") == 0 || strcmp(k, "--port") == 0 ) {
387   // This is only usefull in INET not UNIX mode.
388   if ( *server == '/' )
389    server = ROAR_DEFAULT_HOST;
390
391   errno = 0;
392   if ( (port = atoi(argv[++i])) < 1 ) {
393    if ( (serv = getservbyname(argv[i], "tcp")) == NULL ) {
394     ROAR_ERR("Unknown service: %s: %s", argv[i], strerror(errno));
395     return 1;
396    }
397    // NOTE: we need to use ROAR_NET2HOST16() here even if s_port is of type int!
398    ROAR_DBG("main(*): serv = {s_name='%s', s_aliases={...}, s_port=%i, s_proto='%s'}",
399            serv->s_name, ROAR_NET2HOST16(serv->s_port), serv->s_proto);
400    port = ROAR_NET2HOST16(serv->s_port);
401   }
402  } else if ( strcmp(k, "-b") == 0 || strcmp(k, "--bind") == 0 || strcmp(k, "--sock") == 0 ) {
403   server = argv[++i];
404
405  } else if ( strcmp(k, "-t") == 0 || strcmp(k, "--tcp") == 0 ) {
406   if ( sock_type != ROAR_SOCKET_TYPE_TCP && sock_type != ROAR_SOCKET_TYPE_TCP6 )
407    sock_type = ROAR_SOCKET_TYPE_TCP;
408
409   if ( *server == '/' )
410    server = ROAR_DEFAULT_HOST;
411
412  } else if ( strcmp(k, "-4") == 0 ) {
413   sock_type = ROAR_SOCKET_TYPE_TCP;
414   if ( *server == '/' )
415    server = ROAR_DEFAULT_HOST;
416  } else if ( strcmp(k, "-6") == 0 ) {
417#ifdef PF_INET6
418   sock_type = ROAR_SOCKET_TYPE_TCP6;
419   if ( *server == '/' )
420    server = ROAR_DEFAULT_HOST;
421#else
422    ROAR_ERR("No IPv6 support compiled in!");
423    return 1;
424#endif
425
426  } else if ( strcmp(k, "-u") == 0 || strcmp(k, "--unix") == 0 ) {
427   // ignore this case as it is the default behavor.
428   sock_type = ROAR_SOCKET_TYPE_UNIX;
429
430  } else if ( strcmp(k, "-n") == 0 || strcmp(k, "--decnet") == 0 ) {
431#ifdef ROAR_HAVE_LIBDNET
432    port   = ROAR_DEFAULT_NUM;
433    strcpy(decnethost, ROAR_DEFAULT_LISTEN_OBJECT);
434    server = decnethost;
435    sock_type = ROAR_SOCKET_TYPE_DECNET;
436#else
437    ROAR_ERR("No DECnet support compiled in!");
438    return 1;
439#endif
440
441  } else if ( strcmp(k, "-G") == 0 ) {
442   sock_grp  = argv[++i];
443  } else if ( strcmp(k, "-U") == 0 ) {
444   sock_user = argv[++i];
445
446  } else if ( strcmp(k, "--no-listen") == 0 ) {
447   *server     = 0;
448   g_terminate = 1;
449  } else if ( strcmp(k, "--client-fh") == 0 ) {
450   if ( clients_set_fh(clients_new(), atoi(argv[++i])) == -1 ) {
451    ROAR_ERR("main(*): Can not set client's fh");
452    return 1;
453   }
454  } else if ( strcmp(k, "--close-fh") == 0 ) {
455   close(atoi(argv[++i]));
456
457  } else if ( strcmp(k, "--standby") == 0 ) {
458   g_standby = 1;
459  } else if ( strcmp(k, "--auto-standby") == 0 ) {
460   g_autostandby = 1;
461  } else {
462   usage();
463   return 1;
464  }
465
466 }
467
468 if ( s_dev != NULL ) {
469  if ( sources_add(s_drv, s_dev, s_con, s_opt, s_prim) == -1 ) {
470   ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, s_drv);
471  }
472 }
473
474 if ( o_drv != NULL )
475  add_output(o_drv, o_dev, o_opts, o_prim);
476
477 ROAR_DBG("Server config: rate=%i, bits=%i, chans=%i", sa.rate, sa.bits, sa.channels);
478
479 if ( midi_init() == -1 )
480  ROAR_ERR("Can not initialize MIDI subsystem");
481
482 if ( *server != 0 ) {
483  if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
484   if ( *server == '/' ) {
485    if ( (env_roar_proxy_backup = getenv("ROAR_PROXY")) != NULL ) {
486     env_roar_proxy_backup = strdup(env_roar_proxy_backup);
487     unsetenv("ROAR_PROXY");
488    }
489    if ( (i = roar_socket_connect(server, port)) != -1 ) {
490     close(i);
491     ROAR_ERR("Can not open listen socket!");
492     return 1;
493    } else {
494     unlink(server);
495     if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
496      ROAR_ERR("Can not open listen socket!");
497      return 1;
498     }
499    }
500    if ( env_roar_proxy_backup != NULL ) {
501     setenv("ROAR_PROXY", env_roar_proxy_backup, 0);
502     free(env_roar_proxy_backup);
503    }
504   } else {
505    ROAR_ERR("Can not open listen socket!");
506    return 1;
507   }
508  }
509
510  if ( (grp = getgrnam(sock_grp)) == NULL ) {
511   ROAR_ERR("Can not get GID for group %s: %s", sock_grp, strerror(errno));
512  }
513  if ( sock_user || (setids & R_SETUID) ) {
514   if ( (pwd = getpwnam(sock_user)) == NULL ) {
515    ROAR_ERR("Can not get UID for user %s: %s", sock_user, strerror(errno));
516   }
517  }
518
519  if ( *server == '/' ) {
520   if ( grp ) {
521    if ( pwd ) {
522     chown(server, pwd->pw_uid, grp->gr_gid);
523    } else {
524     chown(server, -1, grp->gr_gid);
525    }
526    if ( getuid() == 0 )
527     chmod(server, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
528   }
529  }
530 }
531
532 if ( output_buffer_init(&sa) == -1 ) {
533  ROAR_ERR("Can not init output buffer!");
534  return 1;
535 }
536
537 if ( driver_open(&drvinst, &drvid, driver, device, &sa) == -1 ) {
538  ROAR_ERR("Can not open output driver!");
539  return 1;
540 }
541
542 if ( samples_init() == -1 ) {
543  ROAR_ERR("Can not init samples!");
544  return 1;
545 }
546
547
548 signal(SIGINT,  on_sig_int);
549 signal(SIGCHLD, on_sig_chld);
550 signal(SIGPIPE, SIG_IGN);  // ignore broken pipes
551
552 if ( realtime ) {
553#ifdef DEBUG
554  ROAR_WARN("compiled with -DDEBUG but realtime is enabled: for real realtime support compiel without -DDEBUG");
555#endif
556
557  errno = 0;
558  nice(-5*realtime); // -5 for each --realtime
559  if ( errno )
560   ROAR_WARN("Can not decrease nice value by 5: %s", strerror(errno));
561/*
562#ifdef __linux__
563  if ( ioprio_set(IOPRIO_WHO_PROCESS, getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0)) == -1 )
564   ROAR_WARN("Can not set io priority: %s", strerror(errno));
565#endif
566*/
567 }
568
569 if ( setids & R_SETGID ) {
570  if ( setgroups(0, (const gid_t *) NULL) == -1 ) {
571   ROAR_ERR("Can not clear supplementary group IDs: %s", strerror(errno));
572  }
573  if ( !grp || setgid(grp->gr_gid) == -1 ) {
574   ROAR_ERR("Can not set GroupID: %s", strerror(errno));
575  }
576 }
577
578
579 clients_set_pid(g_self_client, getpid());
580 clients_set_uid(g_self_client, getuid());
581 clients_set_gid(g_self_client, getgid());
582 clients_get(g_self_client, &self);
583
584 if ( self == NULL ) {
585  ROAR_ERR("Can not get self client!");
586  return 1;
587 }
588
589 strcpy(self->name, "RoarAudio daemon internal");
590
591 if ( daemon ) {
592  close(ROAR_STDIN );
593  close(ROAR_STDOUT);
594  close(ROAR_STDERR);
595  setsid();
596  if ( fork() )
597   _exit(0);
598  clients_set_pid(g_self_client, getpid()); // reset pid as it changed
599 }
600
601 if (chrootdir) {
602  if ( chroot(chrootdir) == -1 ) {
603   ROAR_ERR("Can not chroot to %s: %s", chrootdir, strerror(errno));
604   return 2;
605  }
606  if ( chdir("/") == -1 ) {
607   ROAR_ERR("Can not chdir to /: %s", strerror(errno));
608   return 2;
609  }
610 }
611
612 if ( setids & R_SETUID ) {
613  if ( !pwd || setuid(pwd->pw_uid) == -1 ) {
614   ROAR_ERR("Can not set UserID: %s", strerror(errno));
615   return 3;
616  }
617  clients_set_uid(g_self_client, getuid());
618 }
619
620 // start main loop...
621 main_loop(drvid, drvinst, &sa, sysclocksync);
622
623 // clean up.
624 clean_quit_prep();
625 driver_close(drvinst, drvid);
626 output_buffer_free();
627
628 return 0;
629}
630
631void cleanup_listen_socket (int terminate) {
632
633 if ( g_listen_socket != -1 ) {
634  close(g_listen_socket);
635
636  g_listen_socket = -1;
637
638  if ( *server == '/' )
639   unlink(server);
640 }
641
642 if ( terminate )
643  g_terminate = 1;
644}
645
646void clean_quit_prep (void) {
647 cleanup_listen_socket(0);
648
649 sources_free();
650 streams_free();
651 clients_free();
652 midi_cb_stop(); // stop console beep
653 midi_free();
654}
655
656void clean_quit (void) {
657 clean_quit_prep();
658// driver_close(drvinst, drvid);
659// output_buffer_free();
660 exit(0);
661}
662
663//ll
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