source: roaraudio/roard/roard.c @ 518:b4054527b555

Last change on this file since 518:b4054527b555 was 518:b4054527b555, checked in by phi, 16 years ago

added options -4 and -6
File size: 12.5 KB
Line 
1//roard.c:
2
3#include "roard.h"
4
5char * server = ROAR_DEFAULT_SOCK_GLOBAL; // global server address
6
7void usage (void) {
8 printf("Usage: roard [OPTIONS]...\n\n");
9
10 printf("Misc Options:\n\n");
11 printf(
12        " --demon               - Bring the server into background after init\n"
13        " --terminate           - Terminate after last client quited\n"
14        " --restart             - Trys to stop an old instance and start a new with new settings\n"
15        " --realtime            - Trys to get realtime priority,\n"
16        "                         give multible times for being more realtime\n"
17        " --chroot DIR          - chroots to the given dir\n"
18        " --setgid              - GroupID to the audio group as specified via -G\n"
19        " --setuid              - UserID to the audio user as specified via -U\n"
20       );
21
22 printf("\nAudio Options:\n\n");
23 printf(
24        " -R  --rate   RATE     - Set server rate\n"
25        " -B  --bits   BITS     - Set server bits\n"
26        " -C  --chans  CHANNELS - Set server channels\n"
27       );
28
29 printf("\nDriver Options:\n\n");
30 printf(" -d  --driver DRV      - Set the driver, use '-d list' to get a list (default: %s)\n", ROAR_DRIVER_DEFAULT);
31 printf(" -D  --device DEV      - Set the device\n");
32 printf(" -dO OPTS              - Set output options\n");
33
34 printf("\nSource Options:\n\n");
35 printf(" -s  --source DRV      - Use DRV as input driver\n"
36        " -S           DEV      - Use DEV as input device\n"
37        " -sO          OPTS     - Use OPTS as input options\n"
38        " -sP                   - Make souce as primary\n"
39       );
40
41 printf("\nCodec Filter Options:\n\n");
42 printf(" --list-cf             - List all codec filter\n"
43       );
44
45 printf("\nServer Options:\n\n");
46 printf(" -t  --tcp             - Use TCP listen socket\n"
47        " -u  --unix            - Use UNIX Domain listen socket (default)\n"
48#ifdef ROAR_HAVE_LIBDNET
49        " -n  --decnet          - use DECnet listen socket\n"
50#endif
51        " -4                    - Use IPv4 connections (implies -t)\n"
52#ifdef PF_INET6
53        " -6                    - Use IPv6 connections (implies -t)\n"
54#endif
55#ifdef IPV6_ADDRFORM
56        " -64                   - Try to downgrade sockets from IPv6 into IPv4,\n"
57        "                         this is normaly not usefull.\n"
58#endif
59        " -p  --port            - TCP Port to bind to\n"
60        " -b  --bind            - IP/Hostname to bind to\n"
61        " -s  --sock            - Filename for UNIX Domain Socket\n"
62        " -G  GROUP             - Sets the group for the UNIX Domain Socket, (default: %s)\n"
63        "                         You need the permittions to change the GID\n"
64        " -U  USER              - Sets the user for the UNIX Domain Socket, (default: do not set)\n"
65        "                         You need the permittions to change the UID (normaly only root has)\n"
66        " --no-listen           - Do not listen for new clients (only usefull for relaing)\n"
67        " --client-fh           - Comunicate with a client over this handle\n"
68        "                         (only usefull for relaing)\n"
69        " --close-fh            - Closes the given fh\n",
70        ROAR_DEFAULT_SOCKGRP
71       );
72// printf("\n Options:\n\n");
73 printf("\n");
74}
75
76#define R_SETUID 1
77#define R_SETGID 2
78
79int main (int argc, char * argv[]) {
80 int i;
81 char * k;
82 char user_sock[80] = {0};
83 struct roar_audio_info sa;
84 int    demon    = 0;
85 int    realtime = 0;
86 char * driver = getenv("ROAR_DRIVER");
87 char * device = getenv("ROAR_DEVICE");
88 char * opts   = NULL;
89// char * server = ROAR_DEFAULT_SOCK_GLOBAL;
90 int      port = ROAR_DEFAULT_PORT;
91 int               drvid;
92 char * s_dev     = NULL;
93 char * s_con     = NULL;
94 char * s_opt     = NULL;
95 int    s_prim    = 0;
96 char * sock_grp  = ROAR_DEFAULT_SOCKGRP;
97 char * sock_user = NULL;
98 int    sock_type = ROAR_SOCKET_TYPE_UNKNOWN;
99 char * chrootdir = NULL;
100 int    setids    = 0;
101 struct group   * grp  = NULL;
102 struct passwd  * pwd  = NULL;
103 struct servent * serv = NULL;
104 DRIVER_USERDATA_T drvinst;
105 struct roar_client * self = NULL;
106#ifdef ROAR_HAVE_LIBDNET
107 char decnethost[80];
108#endif
109
110 g_listen_socket = -1;
111 g_standby       =  0;
112
113 sa.bits     = ROAR_BITS_DEFAULT;
114 sa.channels = ROAR_CHANNELS_DEFAULT;
115 sa.rate     = ROAR_RATE_DEFAULT;
116 sa.codec    = ROAR_CODEC_DEFAULT;
117
118 g_sa = &sa;
119
120
121 if ( getuid() != 0 && getenv("HOME") ) {
122  snprintf(user_sock, 79, "%s/%s", getenv("HOME"), ROAR_DEFAULT_SOCK_USER);
123  server = user_sock;
124 }
125
126 if ( getenv("ROAR_SERVER") != NULL )
127  server = getenv("ROAR_SERVER");
128
129 if ( clients_init() == -1 ) {
130  ROAR_ERR("Can not init clients!");
131  return 1;
132 }
133
134 if ( streams_init() == -1 ) {
135  ROAR_ERR("Can not init streams!");
136  return 1;
137 }
138
139 if ( (g_self_client = clients_new()) == -1 ) {
140  ROAR_ERR("Can not create self client!");
141  return 1;
142 }
143
144 if ( sources_init() == -1 ) {
145  ROAR_ERR("Can not init sources!");
146  return 1;
147 }
148
149 if ( (sources_set_client(g_self_client)) == -1 ) {
150  ROAR_ERR("Can not init set source client!");
151  return 1;
152 }
153
154 for (i = 1; i < argc; i++) {
155  k = argv[i];
156
157  if ( strcmp(k, "-h") == 0 || strcmp(k, "--help") == 0 ) {
158   usage();
159   return 0;
160
161  } else if ( strcmp(k, "--demon") == 0 ) {
162   demon = 1;
163  } else if ( strcmp(k, "--terminate") == 0 ) {
164   g_terminate = 1;
165  } else if ( strcmp(k, "--realtime") == 0 ) {
166   realtime++;
167  } else if ( strcmp(k, "--chroot") == 0 ) {
168   chrootdir = argv[++i];
169  } else if ( strcmp(k, "--setgid") == 0 ) {
170   setids |= R_SETGID;
171  } else if ( strcmp(k, "--setuid") == 0 ) {
172   setids |= R_SETUID;
173
174  } else if ( strcmp(k, "--list-cf") == 0 ) {
175   print_codecfilterlist();
176   return 0;
177
178  } else if ( strcmp(k, "-R") == 0 || strcmp(k, "--rate") == 0 ) {
179   sa.rate = atoi(argv[++i]);
180  } else if ( strcmp(k, "-B") == 0 || strcmp(k, "--bits") == 0 ) {
181   sa.bits = atoi(argv[++i]);
182  } else if ( strcmp(k, "-C") == 0 || strcmp(k, "--chans") == 0 ) {
183   sa.channels = atoi(argv[++i]);
184
185  } else if ( strcmp(k, "-d") == 0 || strcmp(k, "--driver") == 0 ) {
186   driver = argv[++i];
187   if ( strcmp(driver, "list") == 0 ) {
188    print_driverlist();
189   }
190  } else if ( strcmp(k, "-D") == 0 || strcmp(k, "--device") == 0 ) {
191   device = argv[++i];
192  } else if ( strcmp(k, "-dO") == 0 ) {
193   opts = argv[++i];
194
195  } else if ( strcmp(k, "-s") == 0 || strcmp(k, "--source") == 0 ) {
196   k = argv[++i];
197   if ( sources_add(k, s_dev, s_con, s_opt, s_prim) == -1 ) {
198    ROAR_ERR("main(*): adding source '%s' via '%s' failed!", s_dev, k);
199   }
200   s_opt = s_dev = s_con = NULL;
201   s_prim = 0;
202  } else if ( strcmp(k, "-S") == 0 ) {
203   s_dev = argv[++i];
204  } else if ( strcmp(k, "-sO") == 0 ) {
205   s_opt = argv[++i];
206  } else if ( strcmp(k, "-sC") == 0 ) {
207   s_con = argv[++i];
208  } else if ( strcmp(k, "-sP") == 0 ) {
209   s_prim = 1;
210
211  } else if ( strcmp(k, "-p") == 0 || strcmp(k, "--port") == 0 ) {
212   // This is only usefull in INET not UNIX mode.
213   if ( *server == '/' )
214    server = ROAR_DEFAULT_HOST;
215
216   errno = 0;
217   if ( (port = atoi(argv[++i])) < 1 ) {
218    if ( (serv = getservbyname(argv[i], "tcp")) == NULL ) {
219     ROAR_ERR("Unknown service: %s: %s", argv[i], strerror(errno));
220     return 1;
221    }
222    // NOTE: we need to use ROAR_NET2HOST16() here even if s_port is of type int!
223    ROAR_DBG("main(*): serv = {s_name='%s', s_aliases={...}, s_port=%i, s_proto='%s'}",
224            serv->s_name, ROAR_NET2HOST16(serv->s_port), serv->s_proto);
225    port = ROAR_NET2HOST16(serv->s_port);
226   }
227  } else if ( strcmp(k, "-b") == 0 || strcmp(k, "--bind") == 0 || strcmp(k, "-s") == 0 || strcmp(k, "--sock") == 0 ) {
228   server = argv[++i];
229
230  } else if ( strcmp(k, "-t") == 0 ) {
231   if ( sock_type != ROAR_SOCKET_TYPE_TCP && sock_type != ROAR_SOCKET_TYPE_TCP6 )
232    sock_type = ROAR_SOCKET_TYPE_TCP;
233
234   if ( *server == '/' )
235    server = ROAR_DEFAULT_HOST;
236
237  } else if ( strcmp(k, "-4") == 0 ) {
238   sock_type = ROAR_SOCKET_TYPE_TCP;
239   if ( *server == '/' )
240    server = ROAR_DEFAULT_HOST;
241  } else if ( strcmp(k, "-6") == 0 ) {
242   sock_type = ROAR_SOCKET_TYPE_TCP6;
243   if ( *server == '/' )
244    server = ROAR_DEFAULT_HOST;
245
246  } else if ( strcmp(k, "-u") == 0 ) {
247   // ignore this case as it is the default behavor.
248   sock_type = ROAR_SOCKET_TYPE_UNIX;
249
250  } else if ( strcmp(k, "-n") == 0 ) {
251#ifdef ROAR_HAVE_LIBDNET
252    port   = ROAR_DEFAULT_NUM;
253    strcpy(decnethost, ROAR_DEFAULT_LISTEN_OBJECT);
254    server = decnethost;
255    sock_type = ROAR_SOCKET_TYPE_DECNET;
256#else
257    ROAR_ERR("No DECnet support compiled in!");
258    return 1;
259#endif
260
261  } else if ( strcmp(k, "-G") == 0 ) {
262   sock_grp  = argv[++i];
263  } else if ( strcmp(k, "-U") == 0 ) {
264   sock_user = argv[++i];
265
266  } else if ( strcmp(k, "--no-listen") == 0 ) {
267   *server = 0;
268  } else if ( strcmp(k, "--client-fh") == 0 ) {
269   if ( clients_set_fh(clients_new(), atoi(argv[++i])) == -1 ) {
270    ROAR_ERR("main(*): Can not set client's fh");
271    return 1;
272   }
273  } else if ( strcmp(k, "--close-fh") == 0 ) {
274   close(atoi(argv[++i]));
275
276  } else {
277   usage();
278   return 1;
279  }
280
281 }
282
283 ROAR_DBG("Server config: rate=%i, bits=%i, chans=%i", sa.rate, sa.bits, sa.channels);
284
285 if ( midi_init() == -1 )
286  ROAR_ERR("Can not initialize MIDI subsystem");
287
288 if ( *server != 0 ) {
289  if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
290   if ( *server == '/' ) {
291    if ( (i = roar_socket_connect(server, port)) != -1 ) {
292     close(i);
293     ROAR_ERR("Can not open listen socket!");
294     return 1;
295    } else {
296     unlink(server);
297     if ( (g_listen_socket = roar_socket_listen(sock_type, server, port)) == -1 ) {
298      ROAR_ERR("Can not open listen socket!");
299      return 1;
300     }
301    }
302   } else {
303    ROAR_ERR("Can not open listen socket!");
304    return 1;
305   }
306  }
307
308  if ( *server == '/' ) {
309   if ( sock_user ) {
310    if ( (pwd = getpwnam(sock_user)) == NULL ) {
311     ROAR_ERR("Can not get UID for user %s: %s", sock_user, strerror(errno));
312    }
313   }
314   if ( (grp = getgrnam(sock_grp)) == NULL ) {
315    ROAR_ERR("Can not get GID for group %s: %s", sock_grp, strerror(errno));
316   } else {
317    if ( pwd ) {
318     chown(server, pwd->pw_uid, grp->gr_gid);
319    } else {
320     chown(server, -1, grp->gr_gid);
321    }
322    if ( getuid() == 0 )
323     chmod(server, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
324   }
325  }
326 }
327
328 if ( output_buffer_init(&sa) == -1 ) {
329  ROAR_ERR("Can not init output buffer!");
330  return 1;
331 }
332
333 if ( driver_open(&drvinst, &drvid, driver, device, &sa) == -1 ) {
334  ROAR_ERR("Can not open output driver!");
335  return 1;
336 }
337
338 if ( samples_init() == -1 ) {
339  ROAR_ERR("Can not init samples!");
340  return 1;
341 }
342
343
344 signal(SIGINT,  on_sig_int);
345 signal(SIGCHLD, on_sig_chld);
346 signal(SIGPIPE, SIG_IGN);  // ignore broken pipes
347
348 if ( realtime ) {
349#ifdef DEBUG
350  ROAR_WARN("compiled with -DDEBUG but realtime is enabled: for real realtime support compiel without -DDEBUG");
351#endif
352
353  errno = 0;
354  nice(-5*realtime); // -5 for each --realtime
355  if ( errno )
356   ROAR_WARN("Can not decrease nice value by 5: %s", strerror(errno));
357/*
358#ifdef __linux__
359  if ( ioprio_set(IOPRIO_WHO_PROCESS, getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 0)) == -1 )
360   ROAR_WARN("Can not set io priority: %s", strerror(errno));
361#endif
362*/
363 }
364
365 if ( setids & R_SETGID ) {
366  if ( setgroups(0, (const gid_t *) NULL) == -1 ) {
367   ROAR_ERR("Can not clear supplementary group IDs: %s", strerror(errno));
368  }
369  if ( setgid(grp->gr_gid) == -1 ) {
370   ROAR_ERR("Can not set GroupID: %s", strerror(errno));
371  }
372 }
373
374
375 clients_set_pid(g_self_client, getpid());
376 clients_set_uid(g_self_client, getuid());
377 clients_set_gid(g_self_client, getgid());
378 clients_get(g_self_client, &self);
379
380 if ( self == NULL ) {
381  ROAR_ERR("Can not get self client!");
382  return 1;
383 }
384
385 strcpy(self->name, "RoarAudio demon internal");
386
387 if ( demon ) {
388  close(ROAR_STDIN );
389  close(ROAR_STDOUT);
390  close(ROAR_STDERR);
391  setsid();
392  if ( fork() )
393   _exit(0);
394 }
395
396 if (chrootdir) {
397  if ( chroot(chrootdir) == -1 ) {
398   ROAR_ERR("Can not chroot to %s: %s", chrootdir, strerror(errno));
399   return 2;
400  }
401  if ( chdir("/") == -1 ) {
402   ROAR_ERR("Can not chdir to /: %s", strerror(errno));
403   return 2;
404  }
405 }
406
407 if ( setids & R_SETUID ) {
408  if ( !pwd || setuid(pwd->pw_uid) == -1 ) {
409   ROAR_ERR("Can not set UserID: %s", strerror(errno));
410   return 3;
411  }
412  clients_set_uid(g_self_client, getuid());
413 }
414
415 // start main loop...
416 main_loop(drvid, drvinst, &sa);
417
418 // clean up.
419 clean_quit_prep();
420 driver_close(drvinst, drvid);
421 output_buffer_free();
422
423 return 0;
424}
425
426void clean_quit_prep (void) {
427 close(g_listen_socket);
428
429 if ( *server == '/' )
430  unlink(server);
431
432
433 sources_free();
434 streams_free();
435 clients_free();
436 midi_cb_stop(); // stop console beep
437 midi_free();
438}
439
440void clean_quit (void) {
441 clean_quit_prep();
442// driver_close(drvinst, drvid);
443// output_buffer_free();
444 exit(0);
445}
446
447//ll
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