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seems like it works

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This commit is contained in:
Edward Emelianov
2026-04-09 18:35:06 +03:00
parent e551b94499
commit 5be6876f9e
14 changed files with 527 additions and 265 deletions
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75
Daemons/weatherdaemon_multimeteo/plugins/fdexample.c
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@@ -23,10 +23,9 @@
// dummy example of file descriptors usage
#define SENSOR_NAME "Dummy socket or serial device weatherstation"
#define NS (4)
extern sensordata_t sensor;
static const val_t values[NS] = { // fields `name` and `comment` have no sense until value meaning is `IS_OTHER`
{.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_WIND},
{.sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_AMB_TEMP},
@@ -34,23 +33,23 @@ static const val_t values[NS] = { // fields `name` and `comment` have no sense u
{.sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_HUMIDITY},
};
static int format_values(char *buf){
static int format_values(sensordata_t *sensor, char *buf){
int gotvals = 0;
char *token = strtok(buf, ",");
time_t tnow = time(NULL);
pthread_mutex_lock(&sensor->valmutex);
while(token && gotvals < NS){
double v;
DBG("TOKEN: %s", token);
if(sl_str2d(&v, token)){
DBG("next value: %g", v);
pthread_mutex_lock(&sensor.valmutex);
sensor.values[gotvals].value.f = (float) v;
sensor.values[gotvals].time = tnow;
pthread_mutex_unlock(&sensor.valmutex);
sensor->values[gotvals].value.f = (float) v;
sensor->values[gotvals].time = tnow;
++gotvals;
}
token = strtok(NULL, ",");
}
pthread_mutex_unlock(&sensor->valmutex);
DBG("GOT: %d", gotvals);
return gotvals;
}
@@ -79,72 +78,68 @@ static ssize_t writedata(int fd, const char *str, size_t size){
return sent;
}
static void *mainthread(void _U_ *U){
static void *mainthread(void *s){
FNAME();
time_t task = 0;
const char begging[] = "Enter comma-separated data: wind, exttemp, pressure, humidity\n";
char buf[128];
while(sensor.fdes > -1){
sensordata_t *sensor = (sensordata_t *)s;
while(sensor->fdes > -1){
time_t tnow = time(NULL);
int canread = sl_canread(sensor.fdes);
int canread = sl_canread(sensor->fdes);
if(canread < 0){
WARNX("Disconnected fd %d", sensor.fdes);
WARNX("Disconnected fd %d", sensor->fdes);
break;
}else if(canread == 1){
ssize_t got = read(sensor.fdes, buf, 128);
ssize_t got = read(sensor->fdes, buf, 128);
if(got > 0){
sl_RB_write(sensor.ringbuffer, (uint8_t*)buf, got);
sl_RB_write(sensor->ringbuffer, (uint8_t*)buf, got);
}else if(got < 0){
DBG("Disconnected?");
break;
}
}
if(sl_RB_readline(sensor.ringbuffer, buf, 127) > 0){
if(NS == format_values(buf) && sensor.freshdatahandler)
sensor.freshdatahandler(&sensor);
if(sl_RB_readline(sensor->ringbuffer, buf, 127) > 0){
if(NS == format_values(sensor, buf) && sensor->freshdatahandler)
sensor->freshdatahandler(sensor);
}
if(sensor.tpoll){
if(sensor->tpoll){
if(tnow >= task){
DBG("write %s", begging);
ssize_t got = writedata(sensor.fdes, begging, sizeof(begging)-1);
if(got > 0) task = tnow + sensor.tpoll;
ssize_t got = writedata(sensor->fdes, begging, sizeof(begging)-1);
if(got > 0) task = tnow + sensor->tpoll;
else if(got < 0){
close(sensor.fdes);
sensor.fdes = -1;
close(sensor->fdes);
sensor->fdes = -1;
}
}
}
}
DBG("OOOOps!");
common_kill(&sensor);
sensor->kill(sensor);
return NULL;
}
static int init(struct sensordata_t *s, int N, time_t pollt, int fd){
sensordata_t *sensor_new(int N, time_t pollt, int fd){
FNAME();
if(!s) return -1;
if(fd < 0) return NULL;
sensordata_t *s = common_new();
if(!s) return NULL;
s->fdes = fd;
if(s->fdes < 0) return -1;
sensor.PluginNo = N;
s->PluginNo = N;
if(pollt) s->tpoll = pollt;
if(pthread_create(&s->thread, NULL, mainthread, NULL)) return -1;
strncpy(s->name, SENSOR_NAME, NAME_LEN);
s->values = MALLOC(val_t, NS);
// don't use memcpy, as `values` could be aligned
for(int i = 0; i < NS; ++i) s->values[i] = values[i];
if(!(s->ringbuffer = sl_RB_new(BUFSIZ))){
WARNX("Can't init ringbuffer!");
common_kill(s);
return -1;
s->kill(s);
return NULL;
}
return NS;
if(pthread_create(&s->thread, NULL, mainthread, (void*)s)){
s->kill(s);
return NULL;
}
return s;
}
sensordata_t sensor = {
.name = "Dummy socket or serial device weatherstation",
.Nvalues = NS,
.init = init,
.onrefresh = common_onrefresh,
.valmutex = PTHREAD_MUTEX_INITIALIZER,
.get_value = common_getval,
.kill = common_kill,
};