2 * Copyright (C) 1998 Andre Noll <maan@tuebingen.mpg.de>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file fade.c A volume fader and alarm clock for OSS. */
20 /** Array of error strings. */
23 enum mixer_id {MIXER_ENUM};
24 static char *mixer_name[] = {MIXER_NAMES};
26 static struct mixer supported_mixer[] = {MIXER_ARRAY};
27 #define FOR_EACH_MIXER(i) for ((i) = 0; (i) < NUM_SUPPORTED_MIXERS; (i)++)
29 static struct lls_parse_result *lpr;
31 #define CMD_PTR (lls_cmd(0, fade_suite))
32 #define OPT_RESULT(_name) (lls_opt_result(LSG_FADE_PARA_FADE_OPT_ ## _name, lpr))
33 #define OPT_GIVEN(_name) (lls_opt_given(OPT_RESULT(_name)))
34 #define OPT_STRING_VAL(_name) (lls_string_val(0, OPT_RESULT(_name)))
35 #define OPT_UINT32_VAL(_name) (lls_uint32_val(0, OPT_RESULT(_name)))
38 static __printf_2_3 void date_log(int ll, const char *fmt, ...)
48 fprintf(stderr, "%d:%02d:%02d ", tm->tm_hour, tm->tm_min, tm->tm_sec);
53 __printf_2_3 void (*para_log)(int, const char*, ...) = date_log;
55 static int set_channel(struct mixer *m, struct mixer_handle *h, const char *channel)
58 PARA_NOTICE_LOG("using %s mixer channel\n", channel?
60 return m->set_channel(h, channel);
63 /* Fade to new volume in fade_time seconds. */
64 static int fade(struct mixer *m, struct mixer_handle *h, int new_vol, int fade_time)
66 int vol, diff, incr, ret;
69 unsigned long long tmp, tmp2; /* Careful with that axe, Eugene! */
72 return m->set(h, new_vol);
78 PARA_NOTICE_LOG("fading %s from %d to %d in %u seconds\n",
79 OPT_STRING_VAL(MIXER_CHANNEL), vol, new_vol, secs);
85 incr = diff > 0? 1: -1;
86 diff = diff > 0? diff: -diff;
87 tmp = secs * 1000 / diff;
89 while ((new_vol - vol) * incr > 0) {
90 ts.tv_nsec = tmp2 * 1000000; /* really nec ?*/
91 ts.tv_sec = tmp / 1000; /* really nec ?*/
92 //printf("ts.tv_sec: %i\n", ts.tv_nsec);
97 //printf("vol = %i\n", vol);
104 static void client_cmd(const char *cmd)
106 int ret, status, fds[3] = {0, 0, 0};
108 char *cmdline = make_message(BINDIR "/para_client %s", cmd);
110 PARA_NOTICE_LOG("%s\n", cmdline);
111 ret = para_exec_cmdline_pid(&pid, cmdline, fds);
114 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
118 pid = waitpid(pid, &status, 0);
119 while (pid == -1 && errno == EINTR);
121 PARA_ERROR_LOG("%s\n", strerror(errno));
124 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
128 PARA_EMERG_LOG("command \"%s\" failed\n", cmd);
132 static void change_afs_mode(const char *afs_mode)
139 cmd = make_message("select %s", afs_mode);
144 static int set_initial_volume(struct mixer *m, struct mixer_handle *h)
148 for (i = 0; i < OPT_GIVEN(IVOL); i++) {
149 const char *val = lls_string_val(i, OPT_RESULT(IVOL));
150 char *p, *ch, *arg = para_strdup(val);
152 p = strchr(arg, ':');
161 ret = para_atoi32(p, &iv);
166 ret = set_channel(m, h, ch);
170 PARA_WARNING_LOG("ignoring channel %s\n", ch);
173 PARA_INFO_LOG("initial volume %s: %d\n", ch, iv);
183 static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
185 time_t t1, wake_time_epoch;
188 int ret, min = OPT_UINT32_VAL(WAKE_MIN);
189 const char *fo_mood = OPT_STRING_VAL(FO_MOOD);
190 const char *fi_mood = OPT_STRING_VAL(FI_MOOD);
191 const char *sleep_mood = OPT_STRING_VAL(SLEEP_MOOD);
192 int fit = OPT_UINT32_VAL(FI_TIME);
193 int fot = OPT_UINT32_VAL(FO_TIME);
194 int fiv = OPT_UINT32_VAL(FI_VOL);
195 int fov = OPT_UINT32_VAL(FO_VOL);
197 /* calculate wake time */
199 if (OPT_GIVEN(WAKE_HOUR)) {
200 int hour = OPT_UINT32_VAL(WAKE_HOUR);
202 if (tm->tm_hour > hour || (tm->tm_hour == hour && tm->tm_min> min)) {
203 t1 += 86400; /* wake time is tomorrow */
210 t1 += 9 * 60 * 60; /* nine hours from now */
211 PARA_INFO_LOG("default wake time: %lu\n", (long unsigned)t1);
214 wake_time_epoch = mktime(tm);
215 PARA_INFO_LOG("waketime: %d:%02d\n", tm->tm_hour, tm->tm_min);
219 ret = set_initial_volume(m, h);
222 change_afs_mode(fo_mood);
224 ret = set_channel(m, h, OPT_STRING_VAL(MIXER_CHANNEL));
227 ret = fade(m, h, fov, fot);
231 ret = m->set(h, fov);
235 if (OPT_GIVEN(SLEEP_MOOD)) {
236 change_afs_mode(sleep_mood);
242 change_afs_mode(fi_mood);
245 if (wake_time_epoch <= t1 + fit)
247 delay = wake_time_epoch - t1 - fit;
248 PARA_INFO_LOG("sleeping %u seconds (%u:%02u)\n",
250 (delay % 3600) / 60);
254 ret = fade(m, h, fiv, fit);
255 PARA_INFO_LOG("fade complete, returning\n");
259 static int snooze(struct mixer *m, struct mixer_handle *h)
263 if (OPT_UINT32_VAL(SO_TIME) == 0)
269 if (val < OPT_UINT32_VAL(SO_VOL))
270 ret = m->set(h, OPT_UINT32_VAL(SO_VOL));
272 ret = fade(m, h, OPT_UINT32_VAL(SO_VOL),
273 OPT_UINT32_VAL(SO_TIME));
277 PARA_NOTICE_LOG("%" PRIu32 " seconds snooze time...\n",
278 OPT_UINT32_VAL(SNOOZE_TIME));
279 sleep(OPT_UINT32_VAL(SNOOZE_TIME));
281 return fade(m, h, OPT_UINT32_VAL(SI_VOL), OPT_UINT32_VAL(SI_TIME));
284 static void init_mixers(void)
289 struct mixer *m = &supported_mixer[i];
290 PARA_DEBUG_LOG("initializing mixer API #%d (%s)\n",
296 static int set_val(struct mixer *m, struct mixer_handle *h)
298 return m->set(h, OPT_UINT32_VAL(VAL));
301 static struct mixer *get_mixer_or_die(void)
305 if (!OPT_GIVEN(MIXER_API))
309 if (!strcmp(mixer_name[i], OPT_STRING_VAL(MIXER_API)))
311 if (i < NUM_SUPPORTED_MIXERS) {
312 PARA_NOTICE_LOG("using %s mixer API\n", mixer_name[i]);
313 return supported_mixer + i;
315 printf("available mixer APIs: ");
317 int d = (i == DEFAULT_MIXER);
318 printf("%s%s%s ", d? "[" : "", mixer_name[i], d? "]" : "");
324 static void handle_help_flags(void)
328 if (OPT_GIVEN(DETAILED_HELP))
329 help = lls_long_help(CMD_PTR);
330 else if (OPT_GIVEN(HELP))
331 help = lls_short_help(CMD_PTR);
334 printf("%s\n", help);
340 * The main function of para_fade.
342 * The executable is linked with the alsa or the oss mixer API, or both. It has
343 * a custom log function which prefixes log messages with the current date.
345 * \param argc Argument counter.
346 * \param argv Argument vector.
348 * \return EXIT_SUCCESS or EXIT_FAILURE.
350 int main(int argc, char *argv[])
352 const struct lls_command *cmd = CMD_PTR;
356 struct mixer_handle *h;
360 ret = lls(lls_parse(argc, argv, cmd, &lpr, &errctx));
363 loglevel = OPT_UINT32_VAL(LOGLEVEL);
364 version_handle_flag("fade", OPT_GIVEN(VERSION));
367 if (OPT_GIVEN(CONFIG_FILE))
368 cf = para_strdup(OPT_STRING_VAL(CONFIG_FILE));
370 char *home = para_homedir();
371 cf = make_message("%s/.paraslash/fade.conf", home);
374 ret = mmap_full_file(cf, O_RDONLY, &map, &sz, NULL);
376 if (ret != -E_EMPTY && ret != -ERRNO_TO_PARA_ERROR(ENOENT))
378 if (ret == -ERRNO_TO_PARA_ERROR(ENOENT) && OPT_GIVEN(CONFIG_FILE))
383 struct lls_parse_result *cf_lpr, *merged_lpr;
384 ret = lls(lls_convert_config(map, sz, NULL, &cf_argv, &errctx));
385 para_munmap(map, sz);
389 ret = lls(lls_parse(cf_argc, cf_argv, CMD_PTR, &cf_lpr, &errctx));
390 lls_free_argv(cf_argv);
393 ret = lls(lls_merge(lpr, cf_lpr, CMD_PTR, &merged_lpr,
395 lls_free_parse_result(cf_lpr, CMD_PTR);
398 lls_free_parse_result(lpr, CMD_PTR);
400 loglevel = OPT_UINT32_VAL(LOGLEVEL);
403 m = get_mixer_or_die();
404 ret = m->open(OPT_STRING_VAL(MIXER_DEVICE), &h);
407 ret = set_channel(m, h, OPT_STRING_VAL(MIXER_CHANNEL));
408 if (ret == -E_BAD_CHANNEL) {
409 char *channels = m->get_channels(h);
410 printf("Available channels: %s\n", channels);
415 if (strcmp(OPT_STRING_VAL(MODE), "fade") == 0)
416 ret = fade(m, h, OPT_UINT32_VAL(FADE_VOL),
417 OPT_UINT32_VAL(FADE_TIME));
418 else if (strcmp(OPT_STRING_VAL(MODE), "snooze") == 0)
420 else if (strcmp(OPT_STRING_VAL(MODE), "set") == 0)
422 else if (strcmp(OPT_STRING_VAL(MODE), "sleep") == 0)
423 ret = sweet_dreams(m, h);
425 PARA_ERROR_LOG("invalid mode: %s\n", OPT_STRING_VAL(MODE));
426 ret = -ERRNO_TO_PARA_ERROR(EINVAL);
432 lls_free_parse_result(lpr, CMD_PTR);
437 PARA_ERROR_LOG("%s\n", errctx);
439 PARA_EMERG_LOG("%s\n", para_strerror(-ret));