Annotation of src/usr.bin/aucat/aucat.c, Revision 1.139
1.139 ! ratchov 1: /* $OpenBSD: aucat.c,v 1.138 2012/10/27 08:36:36 ratchov Exp $ */
1.1 kstailey 2: /*
1.15 ratchov 3: * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
1.1 kstailey 4: *
1.15 ratchov 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #include <sys/param.h>
18: #include <sys/queue.h>
1.55 ratchov 19: #include <sys/stat.h>
1.62 ratchov 20: #include <sys/types.h>
1.86 ratchov 21: #include <sys/resource.h>
1.13 uwe 22:
1.15 ratchov 23: #include <err.h>
1.55 ratchov 24: #include <errno.h>
1.1 kstailey 25: #include <fcntl.h>
1.138 ratchov 26: #include <grp.h>
1.55 ratchov 27: #include <limits.h>
1.86 ratchov 28: #include <pwd.h>
1.15 ratchov 29: #include <signal.h>
1.135 ratchov 30: #include <sndio.h>
1.1 kstailey 31: #include <stdio.h>
1.4 millert 32: #include <stdlib.h>
1.8 david 33: #include <string.h>
1.1 kstailey 34: #include <unistd.h>
35:
1.62 ratchov 36: #include "abuf.h"
1.112 ratchov 37: #include "amsg.h"
1.15 ratchov 38: #include "aparams.h"
39: #include "aproc.h"
1.62 ratchov 40: #include "conf.h"
41: #include "dev.h"
1.28 ratchov 42: #include "listen.h"
1.61 ratchov 43: #include "midi.h"
44: #include "opt.h"
1.62 ratchov 45: #include "wav.h"
1.78 ratchov 46: #ifdef DEBUG
47: #include "dbg.h"
48: #endif
1.11 jaredy 49:
1.86 ratchov 50: /*
51: * unprivileged user name
52: */
1.138 ratchov 53: #ifndef SNDIO_USER
1.86 ratchov 54: #define SNDIO_USER "_sndio"
1.138 ratchov 55: #endif
1.86 ratchov 56:
57: /*
58: * priority when run as root
59: */
1.138 ratchov 60: #ifndef SNDIO_PRIO
1.86 ratchov 61: #define SNDIO_PRIO (-20)
1.138 ratchov 62: #endif
1.86 ratchov 63:
1.61 ratchov 64: #define PROG_AUCAT "aucat"
1.129 ratchov 65: #define PROG_SNDIOD "sndiod"
1.61 ratchov 66:
1.108 ratchov 67: /*
68: * sample rate if no ``-r'' is used
69: */
70: #ifndef DEFAULT_RATE
1.132 ratchov 71: #define DEFAULT_RATE 48000
1.108 ratchov 72: #endif
73:
1.120 ratchov 74: /*
1.133 ratchov 75: * block size if neither ``-z'' nor ``-b'' is used
1.120 ratchov 76: */
77: #ifndef DEFAULT_ROUND
1.133 ratchov 78: #define DEFAULT_ROUND 960
79: #endif
80:
81: /*
82: * buffer size if neither ``-z'' nor ``-b'' is used
83: */
84: #ifndef DEFAULT_BUFSZ
85: #define DEFAULT_BUFSZ 7860
1.120 ratchov 86: #endif
87:
1.125 ratchov 88: /*
89: * default device in server mode
90: */
91: #ifndef DEFAULT_DEV
92: #define DEFAULT_DEV "rsnd/0"
93: #endif
94:
1.78 ratchov 95: #ifdef DEBUG
1.120 ratchov 96: volatile sig_atomic_t debug_level = 1;
1.78 ratchov 97: #endif
1.111 deraadt 98: volatile sig_atomic_t quit_flag = 0;
1.7 deraadt 99:
1.130 ratchov 100: char aucat_usage[] = "usage: " PROG_AUCAT " [-dn] [-b nframes] "
1.120 ratchov 101: "[-C min:max] [-c min:max] [-e enc]\n\t"
1.129 ratchov 102: "[-f device] [-h fmt] [-i file] [-j flag] [-m mode] [-o file]\n\t"
103: "[-q port] [-r rate] [-t mode] [-v volume] [-w flag] [-x policy]\n\t"
104: "[-z nframes]\n";
105:
1.130 ratchov 106: char sndiod_usage[] = "usage: " PROG_SNDIOD " [-dM] [-a flag] [-b nframes] "
1.129 ratchov 107: "[-C min:max] [-c min:max] [-e enc]\n\t"
108: "[-f device] [-j flag] [-L addr] [-m mode] [-q port] [-r rate]\n\t"
109: "[-s name] [-t mode] [-U unit] [-v volume] [-w flag] [-x policy]\n\t"
110: "[-z nframes]\n";
1.120 ratchov 111:
1.28 ratchov 112: /*
113: * SIGINT handler, it raises the quit flag. If the flag is already set,
114: * that means that the last SIGINT was not handled, because the process
1.62 ratchov 115: * is blocked somewhere, so exit.
1.28 ratchov 116: */
117: void
118: sigint(int s)
119: {
120: if (quit_flag)
121: _exit(1);
122: quit_flag = 1;
123: }
1.22 ratchov 124:
1.78 ratchov 125: #ifdef DEBUG
126: /*
127: * Increase debug level on SIGUSR1.
128: */
129: void
130: sigusr1(int s)
131: {
132: if (debug_level < 4)
133: debug_level++;
134: }
135:
136: /*
137: * Decrease debug level on SIGUSR2.
138: */
139: void
140: sigusr2(int s)
141: {
142: if (debug_level > 0)
143: debug_level--;
144: }
145: #endif
1.15 ratchov 146:
147: void
148: opt_ch(struct aparams *par)
149: {
1.76 ratchov 150: char *next, *end;
151: long cmin, cmax;
1.13 uwe 152:
1.76 ratchov 153: errno = 0;
154: cmin = strtol(optarg, &next, 10);
155: if (next == optarg || *next != ':')
156: goto failed;
157: cmax = strtol(++next, &end, 10);
158: if (end == next || *end != '\0')
159: goto failed;
160: if (cmin < 0 || cmax < cmin || cmax > NCHAN_MAX)
161: goto failed;
162: par->cmin = cmin;
163: par->cmax = cmax;
164: return;
165: failed:
166: errx(1, "%s: bad channel range", optarg);
1.15 ratchov 167: }
1.13 uwe 168:
1.15 ratchov 169: void
170: opt_enc(struct aparams *par)
171: {
1.28 ratchov 172: int len;
173:
174: len = aparams_strtoenc(par, optarg);
175: if (len == 0 || optarg[len] != '\0')
176: errx(1, "%s: bad encoding", optarg);
1.15 ratchov 177: }
1.4 millert 178:
1.15 ratchov 179: int
180: opt_hdr(void)
181: {
182: if (strcmp("auto", optarg) == 0)
183: return HDR_AUTO;
184: if (strcmp("raw", optarg) == 0)
185: return HDR_RAW;
186: if (strcmp("wav", optarg) == 0)
187: return HDR_WAV;
1.35 ratchov 188: errx(1, "%s: bad header specification", optarg);
1.1 kstailey 189: }
190:
1.22 ratchov 191: int
1.74 ratchov 192: opt_mmc(void)
193: {
194: if (strcmp("off", optarg) == 0)
195: return 0;
196: if (strcmp("slave", optarg) == 0)
197: return 1;
198: errx(1, "%s: bad MMC mode", optarg);
199: }
200:
201: int
1.90 ratchov 202: opt_onoff(void)
1.84 ratchov 203: {
204: if (strcmp("off", optarg) == 0)
205: return 0;
206: if (strcmp("on", optarg) == 0)
207: return 1;
208: errx(1, "%s: bad join/expand setting", optarg);
209: }
210:
211: int
1.22 ratchov 212: opt_xrun(void)
213: {
214: if (strcmp("ignore", optarg) == 0)
215: return XRUN_IGNORE;
216: if (strcmp("sync", optarg) == 0)
217: return XRUN_SYNC;
218: if (strcmp("error", optarg) == 0)
219: return XRUN_ERROR;
1.73 ratchov 220: errx(1, "%s: bad underrun/overrun policy", optarg);
1.22 ratchov 221: }
222:
1.134 ratchov 223: unsigned int
1.43 ratchov 224: opt_mode(void)
225: {
1.134 ratchov 226: unsigned int mode = 0;
1.83 ratchov 227: char *p = optarg;
228: size_t len;
229:
1.104 ratchov 230: for (p = optarg; *p != '\0'; p++) {
1.83 ratchov 231: len = strcspn(p, ",");
232: if (strncmp("play", p, len) == 0) {
233: mode |= MODE_PLAY;
234: } else if (strncmp("rec", p, len) == 0) {
235: mode |= MODE_REC;
236: } else if (strncmp("mon", p, len) == 0) {
237: mode |= MODE_MON;
1.120 ratchov 238: } else if (strncmp("midi", p, len) == 0) {
239: mode |= MODE_MIDIMASK;
1.83 ratchov 240: } else
241: errx(1, "%s: bad mode", optarg);
242: p += len;
243: if (*p == '\0')
244: break;
245: }
246: if (mode == 0)
247: errx(1, "empty mode");
248: return mode;
1.43 ratchov 249: }
250:
1.113 ratchov 251: void
1.61 ratchov 252: setsig(void)
253: {
254: struct sigaction sa;
255:
256: quit_flag = 0;
257: sigfillset(&sa.sa_mask);
258: sa.sa_flags = SA_RESTART;
259: sa.sa_handler = sigint;
260: if (sigaction(SIGINT, &sa, NULL) < 0)
1.68 ratchov 261: err(1, "sigaction(int) failed");
1.61 ratchov 262: if (sigaction(SIGTERM, &sa, NULL) < 0)
1.68 ratchov 263: err(1, "sigaction(term) failed");
1.61 ratchov 264: if (sigaction(SIGHUP, &sa, NULL) < 0)
1.68 ratchov 265: err(1, "sigaction(hup) failed");
1.78 ratchov 266: #ifdef DEBUG
267: sa.sa_handler = sigusr1;
268: if (sigaction(SIGUSR1, &sa, NULL) < 0)
269: err(1, "sigaction(usr1) failed");
270: sa.sa_handler = sigusr2;
271: if (sigaction(SIGUSR2, &sa, NULL) < 0)
272: err(1, "sigaction(usr2) failed1n");
273: #endif
1.61 ratchov 274: }
275:
276: void
277: unsetsig(void)
278: {
279: struct sigaction sa;
280:
281: sigfillset(&sa.sa_mask);
282: sa.sa_flags = SA_RESTART;
283: sa.sa_handler = SIG_DFL;
1.78 ratchov 284: #ifdef DEBUG
285: if (sigaction(SIGUSR2, &sa, NULL) < 0)
286: err(1, "unsetsig(usr2): sigaction failed");
287: if (sigaction(SIGUSR1, &sa, NULL) < 0)
288: err(1, "unsetsig(usr1): sigaction failed");
289: #endif
1.61 ratchov 290: if (sigaction(SIGHUP, &sa, NULL) < 0)
1.68 ratchov 291: err(1, "unsetsig(hup): sigaction failed\n");
1.61 ratchov 292: if (sigaction(SIGTERM, &sa, NULL) < 0)
1.68 ratchov 293: err(1, "unsetsig(term): sigaction failed\n");
1.61 ratchov 294: if (sigaction(SIGINT, &sa, NULL) < 0)
1.68 ratchov 295: err(1, "unsetsig(int): sigaction failed\n");
1.61 ratchov 296: }
297:
298: void
299: getbasepath(char *base, size_t size)
300: {
301: uid_t uid;
302: struct stat sb;
1.86 ratchov 303: mode_t mask;
1.61 ratchov 304:
305: uid = geteuid();
1.86 ratchov 306: if (uid == 0) {
307: mask = 022;
308: snprintf(base, PATH_MAX, "/tmp/aucat");
309: } else {
310: mask = 077;
311: snprintf(base, PATH_MAX, "/tmp/aucat-%u", uid);
312: }
313: if (mkdir(base, 0777 & ~mask) < 0) {
1.61 ratchov 314: if (errno != EEXIST)
315: err(1, "mkdir(\"%s\")", base);
316: }
317: if (stat(base, &sb) < 0)
318: err(1, "stat(\"%s\")", base);
1.86 ratchov 319: if (sb.st_uid != uid || (sb.st_mode & mask) != 0)
1.61 ratchov 320: errx(1, "%s has wrong permissions", base);
321: }
322:
323: void
1.86 ratchov 324: privdrop(void)
325: {
326: struct passwd *pw;
327:
328: if ((pw = getpwnam(SNDIO_USER)) == NULL)
1.105 deraadt 329: errx(1, "unknown user %s", SNDIO_USER);
1.86 ratchov 330: if (setpriority(PRIO_PROCESS, 0, SNDIO_PRIO) < 0)
331: err(1, "setpriority");
332: if (setgroups(1, &pw->pw_gid) ||
333: setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) ||
334: setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid))
335: err(1, "cannot drop privileges");
336: }
337:
1.120 ratchov 338: struct dev *
339: mkdev(char *path, int mode, int bufsz, int round, int hold, int autovol)
1.61 ratchov 340: {
1.120 ratchov 341: struct dev *d;
342:
343: if (path) {
344: for (d = dev_list; d != NULL; d = d->next) {
345: if (d->reqmode & (MODE_LOOP | MODE_THRU))
346: continue;
347: if (strcmp(d->path, path) == 0)
348: return d;
349: }
350: } else {
351: if (dev_list)
352: return dev_list;
1.135 ratchov 353: path = SIO_DEVANY;
1.120 ratchov 354: }
1.133 ratchov 355: if (!bufsz && !round) {
356: round = DEFAULT_ROUND;
357: bufsz = DEFAULT_BUFSZ;
358: } else if (!bufsz) {
1.132 ratchov 359: bufsz = round * 2;
1.120 ratchov 360: } else if (!round)
1.132 ratchov 361: round = bufsz / 2;
1.125 ratchov 362: d = dev_new(path, mode, bufsz, round, hold, autovol);
363: if (d == NULL)
364: exit(1);
365: return d;
1.120 ratchov 366: }
367:
368: struct opt *
369: mkopt(char *path, struct dev *d, struct aparams *rpar, struct aparams *ppar,
370: int mode, int vol, int mmc, int join)
371: {
372: struct opt *o;
373:
374: if (d->reqmode & MODE_LOOP)
375: errx(1, "%s: can't attach to loopback", path);
376: if (d->reqmode & MODE_THRU)
377: mode = MODE_MIDIMASK;
378: if (!rpar->rate)
379: ppar->rate = rpar->rate = DEFAULT_RATE;
380: o = opt_new(path, d, rpar, ppar, MIDI_TO_ADATA(vol), mmc, join, mode);
381: if (o == NULL)
382: errx(1, "%s: couldn't create subdev", path);
383: dev_adjpar(d, o->mode, rpar, ppar);
384: return o;
1.61 ratchov 385: }
386:
1.1 kstailey 387: int
1.120 ratchov 388: main(int argc, char **argv)
1.1 kstailey 389: {
1.122 ratchov 390: char *prog, *optstr, *usagestr;
1.128 ratchov 391: int c, background, unit, active;
1.92 ratchov 392: char base[PATH_MAX], path[PATH_MAX];
1.134 ratchov 393: unsigned int mode, hdr, xrun, rate, join, mmc, vol;
394: unsigned int hold, autovol, bufsz, round;
1.76 ratchov 395: const char *str;
1.120 ratchov 396: struct aparams ppar, rpar;
1.92 ratchov 397: struct dev *d, *dnext;
1.120 ratchov 398: struct listen *l;
399: struct wav *w;
1.19 ratchov 400:
1.92 ratchov 401: /*
402: * global options defaults
403: */
1.120 ratchov 404: hdr = HDR_AUTO;
405: xrun = XRUN_IGNORE;
406: vol = MIDI_MAXCTL;
1.124 ratchov 407: join = 1;
1.120 ratchov 408: mmc = 0;
1.124 ratchov 409: hold = 0;
410: autovol = 1;
1.120 ratchov 411: bufsz = 0;
412: round = 0;
413: unit = 0;
414: background = 0;
415: aparams_init(&ppar, 0, 1, DEFAULT_RATE);
416: aparams_init(&rpar, 0, 1, DEFAULT_RATE);
1.123 ratchov 417: mode = MODE_MIDIMASK | MODE_PLAY | MODE_REC;
1.120 ratchov 418:
419: #ifdef DEBUG
420: atexit(dbg_flush);
421: #endif
422: setsig();
423: filelist_init();
424:
425: prog = strrchr(argv[0], '/');
426: if (prog == NULL)
427: prog = argv[0];
428: else
429: prog++;
430: if (strcmp(prog, PROG_AUCAT) == 0) {
1.136 ratchov 431: optstr = "b:c:C:de:f:h:i:j:m:no:q:r:t:v:w:x:z:";
1.120 ratchov 432: usagestr = aucat_usage;
1.129 ratchov 433: } else if (strcmp(prog, PROG_SNDIOD) == 0) {
434: optstr = "a:b:c:C:de:f:j:L:m:Mq:r:s:t:U:v:w:x:z:";
435: usagestr = sndiod_usage;
436: background = 1;
437: hold = 0;
1.137 ratchov 438: } else
439: errx(1, "%s: can't determine program to run", prog);
1.92 ratchov 440:
1.120 ratchov 441: while ((c = getopt(argc, argv, optstr)) != -1) {
1.15 ratchov 442: switch (c) {
1.69 ratchov 443: case 'd':
1.78 ratchov 444: #ifdef DEBUG
1.120 ratchov 445: if (debug_level < 4)
1.78 ratchov 446: debug_level++;
447: #endif
1.129 ratchov 448: background = 0;
1.51 ratchov 449: break;
1.92 ratchov 450: case 'U':
1.128 ratchov 451: if (listen_list)
452: errx(1, "-U must come before -L");
1.92 ratchov 453: unit = strtonum(optarg, 0, MIDI_MAXCTL, &str);
454: if (str)
455: errx(1, "%s: unit number is %s", optarg, str);
456: break;
1.113 ratchov 457: case 'L':
1.122 ratchov 458: listen_new_tcp(optarg, AUCAT_PORT + unit);
1.113 ratchov 459: break;
1.43 ratchov 460: case 'm':
1.120 ratchov 461: mode = opt_mode();
1.43 ratchov 462: break;
1.15 ratchov 463: case 'h':
1.120 ratchov 464: hdr = opt_hdr();
1.15 ratchov 465: break;
1.22 ratchov 466: case 'x':
1.120 ratchov 467: xrun = opt_xrun();
1.22 ratchov 468: break;
1.84 ratchov 469: case 'j':
1.120 ratchov 470: join = opt_onoff();
1.84 ratchov 471: break;
1.74 ratchov 472: case 't':
1.120 ratchov 473: mmc = opt_mmc();
1.74 ratchov 474: break;
1.15 ratchov 475: case 'c':
1.120 ratchov 476: opt_ch(&ppar);
1.15 ratchov 477: break;
478: case 'C':
1.120 ratchov 479: opt_ch(&rpar);
1.15 ratchov 480: break;
481: case 'e':
1.120 ratchov 482: opt_enc(&ppar);
483: aparams_copyenc(&rpar, &ppar);
1.15 ratchov 484: break;
485: case 'r':
1.92 ratchov 486: rate = strtonum(optarg, RATE_MIN, RATE_MAX, &str);
1.76 ratchov 487: if (str)
488: errx(1, "%s: rate is %s", optarg, str);
1.120 ratchov 489: ppar.rate = rpar.rate = rate;
1.15 ratchov 490: break;
1.35 ratchov 491: case 'v':
1.120 ratchov 492: vol = strtonum(optarg, 0, MIDI_MAXCTL, &str);
1.76 ratchov 493: if (str)
494: errx(1, "%s: volume is %s", optarg, str);
1.35 ratchov 495: break;
1.15 ratchov 496: case 'i':
1.120 ratchov 497: d = mkdev(NULL, 0, bufsz, round, 1, autovol);
498: w = wav_new_in(&wav_ops, d,
499: mode & (MODE_PLAY | MODE_MIDIOUT), optarg,
500: hdr, &ppar, xrun, vol, mmc, join);
501: if (w == NULL)
502: errx(1, "%s: couldn't create stream", optarg);
503: dev_adjpar(d, w->mode, NULL, &w->hpar);
504: break;
505: case 'o':
506: d = mkdev(NULL, 0, bufsz, round, 1, autovol);
507: w = wav_new_out(&wav_ops, d,
508: mode & (MODE_RECMASK | MODE_MIDIIN), optarg,
509: hdr, &rpar, xrun, mmc, join);
510: if (w == NULL)
511: errx(1, "%s: couldn't create stream", optarg);
512: dev_adjpar(d, w->mode, &w->hpar, NULL);
1.15 ratchov 513: break;
1.120 ratchov 514: case 's':
1.131 ratchov 515: if ((d = dev_list) == NULL) {
516: d = mkdev(DEFAULT_DEV, 0, bufsz, round,
517: hold, autovol);
518: }
519: mkopt(optarg, d, &rpar, &ppar, mode, vol, mmc, join);
1.120 ratchov 520: /* XXX: set device rate, if never set */
1.42 ratchov 521: break;
1.120 ratchov 522: case 'q':
523: d = mkdev(NULL, mode, bufsz, round, 1, autovol);
524: if (!devctl_add(d, optarg, MODE_MIDIMASK))
525: errx(1, "%s: can't open port", optarg);
526: d->reqmode |= MODE_MIDIMASK;
1.92 ratchov 527: break;
528: case 'a':
1.120 ratchov 529: hold = opt_onoff();
1.83 ratchov 530: break;
1.115 ratchov 531: case 'w':
1.120 ratchov 532: autovol = opt_onoff();
1.4 millert 533: break;
1.28 ratchov 534: case 'b':
1.120 ratchov 535: bufsz = strtonum(optarg, 1, RATE_MAX * 5, &str);
1.76 ratchov 536: if (str)
537: errx(1, "%s: buffer size is %s", optarg, str);
1.28 ratchov 538: break;
1.74 ratchov 539: case 'z':
1.120 ratchov 540: round = strtonum(optarg, 1, SHRT_MAX, &str);
1.76 ratchov 541: if (str)
542: errx(1, "%s: block size is %s", optarg, str);
1.74 ratchov 543: break;
1.92 ratchov 544: case 'f':
1.120 ratchov 545: mkdev(optarg, 0, bufsz, round, hold, autovol);
546: break;
547: case 'n':
548: mkdev("loopback", MODE_LOOP, bufsz, round, 1, autovol);
549: break;
550: case 'M':
1.127 ratchov 551: mkdev("midithru", MODE_THRU, 0, 0, hold, 0);
1.92 ratchov 552: break;
1.11 jaredy 553: default:
1.120 ratchov 554: fputs(usagestr, stderr);
1.15 ratchov 555: exit(1);
1.4 millert 556: }
557: }
558: argc -= optind;
559: argv += optind;
1.92 ratchov 560: if (argc > 0) {
1.120 ratchov 561: fputs(usagestr, stderr);
1.102 ratchov 562: exit(1);
1.15 ratchov 563: }
1.125 ratchov 564: if (wav_list) {
1.128 ratchov 565: if (opt_list || listen_list)
1.125 ratchov 566: errx(1, "-io not allowed in server mode");
567: if ((d = dev_list) && d->next)
568: errx(1, "only one device allowed in non-server mode");
569: if ((d->reqmode & MODE_THRU) && d->ctl_list == NULL) {
1.120 ratchov 570: if (!devctl_add(d, "default", MODE_MIDIMASK))
571: errx(1, "%s: can't open port", optarg);
572: d->reqmode |= MODE_MIDIMASK;
1.125 ratchov 573: }
574: } else {
575: if (dev_list == NULL)
576: mkdev(DEFAULT_DEV, 0, bufsz, round, hold, autovol);
577: for (d = dev_list; d != NULL; d = d->next) {
578: if (opt_byname("default", d->num))
579: continue;
580: mkopt("default", d, &rpar, &ppar, mode, vol, mmc, join);
1.92 ratchov 581: }
1.42 ratchov 582: }
1.128 ratchov 583: if (opt_list) {
1.61 ratchov 584: getbasepath(base, sizeof(base));
1.122 ratchov 585: snprintf(path, PATH_MAX, "%s/%s%u", base, AUCAT_PATH, unit);
1.120 ratchov 586: listen_new_un(path);
587: if (geteuid() == 0)
588: privdrop();
589: }
590: for (w = wav_list; w != NULL; w = w->next) {
591: if (!wav_init(w))
592: exit(1);
1.55 ratchov 593: }
1.120 ratchov 594: for (d = dev_list; d != NULL; d = d->next) {
595: if (!dev_init(d))
596: exit(1);
597: if (d->autostart && (d->mode & MODE_AUDIOMASK))
1.126 ratchov 598: dev_mmcstart(d);
1.56 ratchov 599: }
1.120 ratchov 600: for (l = listen_list; l != NULL; l = l->next) {
601: if (!listen_init(l))
602: exit(1);
1.98 ratchov 603: }
1.120 ratchov 604: if (background) {
1.107 ratchov 605: #ifdef DEBUG
1.98 ratchov 606: debug_level = 0;
607: dbg_flush();
1.107 ratchov 608: #endif
1.98 ratchov 609: if (daemon(0, 0) < 0)
1.56 ratchov 610: err(1, "daemon");
1.15 ratchov 611: }
1.13 uwe 612:
1.15 ratchov 613: /*
1.62 ratchov 614: * Loop, start audio.
1.15 ratchov 615: */
1.28 ratchov 616: for (;;) {
1.90 ratchov 617: if (quit_flag)
1.28 ratchov 618: break;
1.92 ratchov 619: active = 0;
620: for (d = dev_list; d != NULL; d = dnext) {
621: dnext = d->next;
622: if (!dev_run(d))
623: goto fatal;
1.127 ratchov 624: if (d->refcnt > 0)
1.92 ratchov 625: active = 1;
626: }
627: if (dev_list == NULL)
1.50 ratchov 628: break;
1.128 ratchov 629: if (!opt_list && !active)
1.83 ratchov 630: break;
1.50 ratchov 631: if (!file_poll())
632: break;
1.34 ratchov 633: }
1.92 ratchov 634: fatal:
1.120 ratchov 635: while (listen_list != NULL)
636: file_close(&listen_list->file);
1.110 ratchov 637:
1.90 ratchov 638: /*
639: * give a chance to drain
640: */
1.96 ratchov 641: for (d = dev_list; d != NULL; d = d->next)
642: dev_drain(d);
1.90 ratchov 643: while (file_poll())
644: ; /* nothing */
1.96 ratchov 645:
646: while (dev_list)
647: dev_del(dev_list);
1.83 ratchov 648: filelist_done();
1.128 ratchov 649: if (opt_list) {
1.86 ratchov 650: if (rmdir(base) < 0 && errno != ENOTEMPTY && errno != EPERM)
1.55 ratchov 651: warn("rmdir(\"%s\")", base);
652: }
1.61 ratchov 653: unsetsig();
654: return 0;
1.1 kstailey 655: }
![[BACK]](/icons/back.gif){kind=icon}
Return to aucat.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / aucat