2 * Copyright (C) 1998-2013 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file fade.c A volume fader and alarm clock for OSS. */
11 #include "fade.cmdline.h"
21 static struct fade_args_info conf;
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)++)
30 static __printf_2_3 void date_log(int ll, const char *fmt, ...)
40 printf("%d:%02d:%02d ", tm->tm_hour, tm->tm_min, tm->tm_sec);
45 __printf_2_3 void (*para_log)(int, const char*, ...) = date_log;
47 /* Fade to new volume in fade_time seconds. */
48 static int fade(struct mixer *m, struct mixer_handle *h, int new_vol, int fade_time)
50 int vol, diff, incr, ret;
53 unsigned long long tmp, tmp2; /* Careful with that axe, Eugene! */
56 return m->set(h, new_vol);
58 PARA_NOTICE_LOG("fading to %d in %d seconds\n", new_vol, secs);
68 incr = diff > 0? 1: -1;
69 diff = diff > 0? diff: -diff;
70 tmp = secs * 1000 / diff;
72 while ((new_vol - vol) * incr > 0) {
73 ts.tv_nsec = tmp2 * 1000000; /* really nec ?*/
74 ts.tv_sec = tmp / 1000; /* really nec ?*/
75 //printf("ts.tv_sec: %i\n", ts.tv_nsec);
80 //printf("vol = %i\n", vol);
87 static void client_cmd(const char *cmd)
89 int ret, status, fds[3] = {0, 0, 0};
91 char *cmdline = make_message(BINDIR "/para_client %s", cmd);
93 PARA_NOTICE_LOG("%s\n", cmdline);
94 ret = para_exec_cmdline_pid(&pid, cmdline, fds);
97 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
101 pid = waitpid(pid, &status, 0);
102 while (pid == -1 && errno == EINTR);
104 PARA_ERROR_LOG("%s\n", strerror(errno));
107 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
111 PARA_EMERG_LOG("command \"%s\" failed\n", cmd);
115 static void change_afs_mode_and_play(char *afs_mode)
122 cmd = make_message("select %s", afs_mode);
128 static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
130 time_t t1, wake_time_epoch;
133 int ret, min = conf.wake_min_arg;
134 char *fo_mood = conf.fo_mood_arg;
135 char *fi_mood = conf.fi_mood_arg;
136 char *sleep_mood = conf.sleep_mood_arg;
137 int fit = conf.fi_time_arg;
138 int fot = conf.fo_time_arg;
139 int fiv = conf.fi_vol_arg;
140 int fov = conf.fo_vol_arg;
141 int iv = conf.ivol_arg;
143 /* calculate wake time */
145 if (conf.wake_hour_given) {
146 int hour = conf.wake_hour_arg;
148 if (tm->tm_hour > hour || (tm->tm_hour == hour && tm->tm_min> min)) {
149 t1 += 86400; /* wake time is tomorrow */
156 t1 += 9 * 60 * 60; /* nine hours from now */
157 PARA_INFO_LOG("default wake time: %lu\n", (long unsigned)t1);
160 wake_time_epoch = mktime(tm);
161 PARA_INFO_LOG("waketime: %s", asctime(tm));
165 PARA_INFO_LOG("initial volume: %d\n", iv);
169 change_afs_mode_and_play(fo_mood);
170 ret = fade(m, h, fov, fot);
174 ret = m->set(h, fov);
178 if (conf.sleep_mood_given)
179 change_afs_mode_and_play(sleep_mood);
186 if (wake_time_epoch <= t1 + fit)
188 delay = wake_time_epoch - t1 - fit;
189 PARA_INFO_LOG("sleeping %u seconds (%u:%02u)\n",
191 (delay % 3600) / 60);
194 change_afs_mode_and_play(fi_mood);
195 ret = fade(m, h, fiv, fit);
196 PARA_INFO_LOG("fade complete, returning\n");
200 static int snooze(struct mixer *m, struct mixer_handle *h)
204 if (conf.so_time_arg <= 0)
210 if (val < conf.so_vol_arg)
211 ret = m->set(h, conf.so_vol_arg);
213 ret = fade(m, h, conf.so_vol_arg, conf.so_time_arg);
217 PARA_NOTICE_LOG("%d seconds snooze time...\n", conf.snooze_time_arg);
218 sleep(conf.snooze_time_arg);
220 return fade(m, h, conf.si_vol_arg, conf.si_time_arg);
223 static int configfile_exists(void)
225 static char *config_file;
227 if (!conf.config_file_given) {
228 char *home = para_homedir();
230 config_file = make_message("%s/.paraslash/fade.conf", home);
232 conf.config_file_arg = config_file;
234 return file_exists(conf.config_file_arg);
237 static void init_mixers(void)
242 struct mixer *m = &supported_mixer[i];
243 PARA_DEBUG_LOG("initializing mixer API #%d (%s)\n",
249 static int set_channel(struct mixer *m, struct mixer_handle *h)
254 ret = m->set_channel(h, conf.mixer_channel_arg);
256 PARA_NOTICE_LOG("using %s mixer channel\n",
257 conf.mixer_channel_arg? conf.mixer_channel_arg
261 channels = m->get_channels(h);
262 printf("Available channels: %s\n", channels);
267 static struct mixer *get_mixer_or_die(void)
271 if (!conf.mixer_api_given)
275 if (!strcmp(mixer_name[i], conf.mixer_api_arg))
277 if (i < NUM_SUPPORTED_MIXERS) {
278 PARA_NOTICE_LOG("using %s mixer API\n", mixer_name[i]);
279 return supported_mixer + i;
281 printf("available mixer APIs: ");
283 int d = (i == DEFAULT_MIXER);
284 printf("%s%s%s ", d? "[" : "", mixer_name[i], d? "]" : "");
290 __noreturn static void print_help_and_die(void)
292 struct ggo_help h = DEFINE_GGO_HELP(fade);
293 bool d = conf.detailed_help_given;
295 ggo_print_help(&h, d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS);
299 int main(int argc, char *argv[])
303 struct mixer_handle *h = NULL;
305 fade_cmdline_parser(argc, argv, &conf);
306 loglevel = get_loglevel_by_name(conf.loglevel_arg);
307 version_handle_flag("fade", conf.version_given);
308 if (conf.help_given || conf.detailed_help_given)
309 print_help_and_die();
310 ret = configfile_exists();
311 if (!ret && conf.config_file_given) {
312 PARA_EMERG_LOG("can not read config file %s\n",
313 conf.config_file_arg);
317 struct fade_cmdline_parser_params params = {
321 .check_ambiguity = 0,
324 fade_cmdline_parser_config_file(conf.config_file_arg,
326 loglevel = get_loglevel_by_name(conf.loglevel_arg);
329 m = get_mixer_or_die();
330 ret = m->open(conf.mixer_device_arg, &h);
333 ret = set_channel(m, h);
336 switch (conf.mode_arg) {
338 ret = fade(m, h, conf.fade_vol_arg, conf.fade_time_arg);
340 case mode_arg_snooze:
343 default: /* sleep mode */
344 ret = sweet_dreams(m, h);
350 PARA_EMERG_LOG("%s\n", para_strerror(-ret));
351 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;