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Split up main a bit

master
Kenny Levinsen 2020-10-18 01:19:47 +02:00
parent fdcdb04023
commit f66842c020
1 changed files with 101 additions and 75 deletions
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176
main.c
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@ -66,9 +66,12 @@ static inline void adjust_timerspec(struct itimerspec *timerspec) {
struct config { struct config {
int high_temp; int high_temp;
int low_temp; int low_temp;
int duration; double gamma;
double longitude; double longitude;
double latitude; double latitude;
int duration;
}; };
enum state { enum state {
@ -547,15 +550,6 @@ static int display_dispatch(struct wl_display *display, int timeout) {
return wl_display_dispatch_pending(display); return wl_display_dispatch_pending(display);
} }
static const char usage[] = "usage: %s [options]\n"
" -h show this help message\n"
" -T <temp> set high temperature (default: 6500)\n"
" -t <temp> set low temperature (default: 4000)\n"
" -l <lat> set latitude (e.g. 39.9)\n"
" -L <long> set longitude (e.g. 116.3)\n"
" -d <minutes> set ramping duration in minutes (default: 60)\n"
" -g <gamma> set gamma (default: 1.0)\n";
static int timer_fired = 0; static int timer_fired = 0;
static void timer_signal(int signal) { static void timer_signal(int signal) {
@ -563,8 +557,24 @@ static void timer_signal(int signal) {
timer_fired = true; timer_fired = true;
} }
int main(int argc, char *argv[]) { static int setup_timer(struct context *ctx) {
struct sigaction timer_action = {
.sa_handler = timer_signal,
.sa_flags = 0,
};
if (sigaction(SIGALRM, &timer_action, NULL) == -1) {
fprintf(stderr, "could not configure alarm handler: %s\n", strerror(errno));
return -1;
}
if (timer_create(CLOCK_REALTIME, NULL, &ctx->timer) == -1) {
fprintf(stderr, "could not configure timer: %s\n", strerror(errno));
return -1;
}
return 0;
}
static int wlrun(struct config cfg) {
init_time(); init_time();
// Initialize defaults // Initialize defaults
@ -572,74 +582,18 @@ int main(int argc, char *argv[]) {
.sun = { 0 }, .sun = { 0 },
.condition = SUN_CONDITION_LAST, .condition = SUN_CONDITION_LAST,
.state = STATE_INITIAL, .state = STATE_INITIAL,
.config = { .config = cfg,
.high_temp = 6500,
.low_temp = 4000,
.duration = -1,
.latitude = 0,
.longitude = 0,
}
}; };
double gamma = 1.0;
wl_list_init(&ctx.outputs); wl_list_init(&ctx.outputs);
struct sigaction timer_action = { if (setup_timer(&ctx) == -1) {
.sa_handler = timer_signal, return EXIT_FAILURE;
.sa_flags = 0,
};
if (sigaction(SIGALRM, &timer_action, NULL) == -1) {
fprintf(stderr, "could not configure alarm handler: %s\n", strerror(errno));
return 1;
}
if (timer_create(CLOCK_REALTIME, NULL, &ctx.timer) == -1) {
fprintf(stderr, "could not configure timer: %s\n", strerror(errno));
return 1;
}
#ifdef SPEEDRUN
fprintf(stderr, "warning: speedrun mode enabled\n");
#endif
int opt;
while ((opt = getopt(argc, argv, "hT:t:g:d:l:L:")) != -1) {
switch (opt) {
case 'T':
ctx.config.high_temp = strtol(optarg, NULL, 10);
break;
case 't':
ctx.config.low_temp = strtol(optarg, NULL, 10);
break;
case 'l':
ctx.config.latitude = RADIANS(strtod(optarg, NULL));
break;
case 'L':
ctx.config.longitude = RADIANS(strtod(optarg, NULL));
break;
case 'd':
fprintf(stderr, "using animation duration override\n");
ctx.config.duration = strtod(optarg, NULL) * 60;
break;
case 'g':
gamma = strtod(optarg, NULL);
break;
case 'h':
default:
fprintf(stderr, usage, argv[0]);
return opt == 'h' ? EXIT_SUCCESS : EXIT_FAILURE;
}
}
if (ctx.config.high_temp == ctx.config.low_temp) {
fprintf(stderr, "high (%d) and low (%d) temperature must not be identical\n",
ctx.config.high_temp, ctx.config.low_temp);
return -1;
} }
struct wl_display *display = wl_display_connect(NULL); struct wl_display *display = wl_display_connect(NULL);
if (display == NULL) { if (display == NULL) {
fprintf(stderr, "failed to create display\n"); fprintf(stderr, "failed to create display\n");
return -1; return EXIT_FAILURE;
} }
struct wl_registry *registry = wl_display_get_registry(display); struct wl_registry *registry = wl_display_get_registry(display);
@ -658,13 +612,12 @@ int main(int argc, char *argv[]) {
} }
wl_display_roundtrip(display); wl_display_roundtrip(display);
time_t now = get_time_sec(); time_t now = get_time_sec();
recalc_stops(&ctx, now); recalc_stops(&ctx, now);
update_timer(&ctx, ctx.timer, now); update_timer(&ctx, ctx.timer, now);
int temp = get_temperature(&ctx, now); int temp = get_temperature(&ctx, now);
set_temperature(&ctx.outputs, temp, gamma); set_temperature(&ctx.outputs, temp, ctx.config.gamma);
int old_temp = temp; int old_temp = temp;
while (display_dispatch(display, -1) != -1) { while (display_dispatch(display, -1) != -1) {
@ -678,13 +631,86 @@ int main(int argc, char *argv[]) {
if ((temp = get_temperature(&ctx, now)) != old_temp) { if ((temp = get_temperature(&ctx, now)) != old_temp) {
old_temp = temp; old_temp = temp;
ctx.new_output = false; ctx.new_output = false;
set_temperature(&ctx.outputs, temp, gamma); set_temperature(&ctx.outputs, temp, ctx.config.gamma);
} }
} else if (ctx.new_output) { } else if (ctx.new_output) {
ctx.new_output = false; ctx.new_output = false;
set_temperature(&ctx.outputs, temp, gamma); set_temperature(&ctx.outputs, temp, ctx.config.gamma);
} }
} }
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
static const char usage[] = "usage: %s [options]\n"
" -h show this help message\n"
" -T <temp> set high temperature (default: 6500)\n"
" -t <temp> set low temperature (default: 4000)\n"
" -l <lat> set latitude (e.g. 39.9)\n"
" -L <long> set longitude (e.g. 116.3)\n"
" -s <start> set manual start time (e.g. 06:30)\n"
" -S <stop> set manual stop time (e.g. 19:30)\n"
" -d <minutes> set manual ramping duration in minutes (default: 60)\n"
" -g <gamma> set gamma (default: 1.0)\n";
int main(int argc, char *argv[]) {
#ifdef SPEEDRUN
fprintf(stderr, "warning: speedrun mode enabled\n");
#endif
struct config config = {
.latitude = 0,
.longitude = 0,
.high_temp = 6500,
.low_temp = 4000,
.gamma = 1.0,
.duration = -1,
};
int opt;
while ((opt = getopt(argc, argv, "ht:T:l:L:d:g:")) != -1) {
switch (opt) {
case 'T':
config.high_temp = strtol(optarg, NULL, 10);
break;
case 't':
config.low_temp = strtol(optarg, NULL, 10);
break;
case 'l':
config.latitude = strtod(optarg, NULL);
break;
case 'L':
config.longitude = strtod(optarg, NULL);
break;
case 'd':
fprintf(stderr, "using animation duration override\n");
config.duration = strtod(optarg, NULL) * 60;
break;
case 'g':
config.gamma = strtod(optarg, NULL);
break;
case 'h':
default:
fprintf(stderr, usage, argv[0]);
return opt == 'h' ? EXIT_SUCCESS : EXIT_FAILURE;
}
}
if (config.high_temp <= config.low_temp) {
fprintf(stderr, "high temp (%d) must be higher than low (%d) temp\n",
config.high_temp, config.low_temp);
return -1;
}
if (config.latitude > 90.0 || config.latitude < -90.0) {
fprintf(stderr, "latitude (%lf) must be in interval [-90,90]\n", config.latitude);
return EXIT_FAILURE;
}
config.latitude = RADIANS(config.latitude);
if (config.longitude > 180.0 || config.longitude < -180.0) {
fprintf(stderr, "longitude (%lf) must be in interval [-180,180]\n", config.longitude);
return EXIT_FAILURE;
}
config.longitude = RADIANS(config.longitude);
return wlrun(config);
}