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added 'level' changing

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This commit is contained in:
Edward Emelianov
2026-04-10 14:21:25 +03:00
parent 5be6876f9e
commit 987cf022fe
6 changed files with 248 additions and 68 deletions
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151
Daemons/weatherdaemon_multimeteo/server.c
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@@ -16,7 +16,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <usefull_macros.h>
@@ -55,26 +57,34 @@ static sl_sock_hresult_e listhandler(sl_sock_t *client, _U_ sl_sock_hitem_t *ite
return RESULT_SILENCE;
}
// get N'th plugin or send error message
sensordata_t *get_plugin_w_message(sl_sock_t *client, int N){
char buf[FULL_LEN];
sensordata_t *s = NULL;
if(!(s = get_plugin(N)) || (s->Nvalues < 1)){
snprintf(buf, FULL_LEN, "Can't get plugin[%d]\n", N);
sl_sock_sendstrmessage(client, buf);
return NULL;
}
return s;
}
/**
* @brief showdataN - send to user meteodata of Nth station
* @param client - client data
* @param N - index of station
*/
static void showdataN(sl_sock_t *client, int N){
char buf[FULL_LEN+1];
char buf[FULL_LEN];
val_t v;
sensordata_t *s = NULL;
if(!(s = get_plugin(N)) || (s->Nvalues < 1)){
snprintf(buf, FULL_LEN, "Can't get plugin[%d]\n", N);
sl_sock_sendstrmessage(client, buf);
return;
}
sensordata_t *s = get_plugin_w_message(client, N);
if(!s) return;
time_t oldest = time(NULL) - oldest_interval;
uint64_t Tsum = 0; int nsum = 0;
for(int i = 0; i < s->Nvalues; ++i){
if(!s->get_value(s, &v, i)) continue;
if(v.time < oldest) continue;
if(1 > format_sensval(&v, buf, FULL_LEN+1, N)) continue;
if(1 > format_sensval(&v, buf, FULL_LEN, N)) continue;
DBG("formatted: '%s'", buf);
sl_sock_sendstrmessage(client, buf);
sl_sock_sendbyte(client, '\n');
@@ -82,7 +92,7 @@ static void showdataN(sl_sock_t *client, int N){
}
if(nsum > 0){
oldest = (time_t)(Tsum / nsum);
if(0 < format_msrmttm(oldest, buf, FULL_LEN+1)){ // send mean measuring time
if(0 < format_msrmttm(oldest, buf, FULL_LEN)){ // send mean measuring time
DBG("Formatted time: '%s'", buf);
sl_sock_sendstrmessage(client, buf);
sl_sock_sendbyte(client, '\n');
@@ -95,7 +105,7 @@ static void showdataN(sl_sock_t *client, int N){
* @param client - client data
*/
static void showdata(sl_sock_t *client){
char buf[FULL_LEN+1];
char buf[FULL_LEN];
val_t v;
int Ncoll = collected_amount();
time_t oldest = time(NULL) - oldest_interval;
@@ -103,7 +113,7 @@ static void showdata(sl_sock_t *client){
for(int i = 0; i < Ncoll; ++i){
if(!get_collected(&v, i)){ DBG("Can't get %dth value", i); continue; }
if(v.time < oldest){ DBG("%dth value is too old", i); continue; }
if(1 > format_sensval(&v, buf, FULL_LEN+1, -1)){ DBG("Can't format"); continue; }
if(1 > format_sensval(&v, buf, FULL_LEN, -1)){ DBG("Can't format"); continue; }
DBG("formatted: '%s'", buf);
sl_sock_sendstrmessage(client, buf);
sl_sock_sendbyte(client, '\n');
@@ -111,7 +121,7 @@ static void showdata(sl_sock_t *client){
}
if(nsum > 0){
oldest = (time_t)(Tsum / nsum);
if(0 < format_msrmttm(oldest, buf, FULL_LEN+1)){ // send mean measuring time
if(0 < format_msrmttm(oldest, buf, FULL_LEN)){ // send mean measuring time
DBG("Formatted time: '%s'", buf);
sl_sock_sendstrmessage(client, buf);
sl_sock_sendbyte(client, '\n');
@@ -134,6 +144,121 @@ static sl_sock_hresult_e gethandler(sl_sock_t *client, _U_ sl_sock_hitem_t *item
return RESULT_SILENCE;
}
// get parameters' level
static sl_sock_hresult_e getlvlhandler(sl_sock_t *client, _U_ sl_sock_hitem_t *item, const char *req){
if(!client) if(!client) return RESULT_FAIL;
int N = get_nplugins();
if(N < 1) return RESULT_FAIL;
val_t v;
char buf[FULL_LEN];
if(!req){ // level of collected parameters
DBG("User asks for collected");
int Ncoll = collected_amount();
if(Ncoll < 1) return RESULT_FAIL;
for(int i = 0; i < Ncoll; ++i){
if(!get_collected(&v, i)){ DBG("Can't get %dth value", i); continue; }
if(1 > format_senssense(&v, buf, FULL_LEN, -1)){ DBG("Can't format"); continue; }
sl_sock_sendstrmessage(client, buf);
sl_sock_sendbyte(client, '\n');
}
}else{
int n;
if(!sl_str2i(&n, req) || n < 0 || n >= N) return RESULT_BADVAL;
DBG("User asks for %d", n);
sensordata_t *s = get_plugin_w_message(client, n);
if(!s) return RESULT_SILENCE;
for(int i = 0; i < s->Nvalues; ++i){
if(!s->get_value(s, &v, i)) continue;
if(1 > format_senssense(&v, buf, FULL_LEN, n)){ DBG("Can't format"); continue; }
sl_sock_sendstrmessage(client, buf);
sl_sock_sendbyte(client, '\n');
}
}
return RESULT_SILENCE;
}
// set parameters' level; format: setlevel=N1:par=level,...,N1:par=level...
// Nx - "station" number, par - parameter name (like "HUMIDITY"), level - new level (0..3)
static sl_sock_hresult_e setlvlhandler(sl_sock_t *client, _U_ sl_sock_hitem_t *item, const char *req){
if(!client) if(!client) return RESULT_FAIL;
int N = get_nplugins();
if(N < 1) return RESULT_FAIL;
if(!req) return RESULT_BADVAL;
sl_sock_hresult_e result = RESULT_OK;
char *s = (char *)req;
while(*s){
while (isspace(*s) || *s == ',') s++;
if (!*s) break;
// get station number
char *end;
long st_num = strtol(s, &end, 10);
if(s == end) break;
s = end;
// wait for ':'
while (isspace(*s)) s++;
if(*s != ':') break;
++s;
DBG("ST %ld:\n", st_num);
sensordata_t *sd;
if(st_num < 0 || st_num >= N || !(sd = get_plugin((int)st_num))){
result = RESULT_BADVAL;
break;
}
while(1){
while(isspace(*s)) ++s;
if(*s == '\0') break;
if(isdigit((unsigned char)*s)) break; // - next block
const char *par_start = s;
while(isalnum(*s)) ++s;
if(par_start == s) break;
int l = (int)(s - par_start);
DBG(" par: %.*s = ", l, par_start);
if(l > KEY_LEN){
result = RESULT_BADVAL;
break;
}
char buf[KEY_LEN + 1];
memcpy(buf, par_start, l);
buf[l] = 0;
int validx = find_val_by_name(sd, buf);
// search for given value
if(validx < 0){
result = RESULT_BADVAL;
break;
}
while(isspace(*s)) ++s;
// fait for '='
if(*s != '='){
result = RESULT_BADVAL;
break;
}
++s;
// get new level
while(isspace(*s)) s++;
long val = strtol(s, &end, 10);
if(s == end){
result = RESULT_BADVAL;
break;
}
s = end;
DBG("%ld\n", val);
if(!change_val_sense(sd, validx, (valsense_t)val)){
result = RESULT_BADVAL;
break;
}
while(isspace((unsigned char)*s)) s++;
if(*s == ','){ // omit delimeter
++s;
continue;
}else{
if(*s == ';') ++s; // omit ; as block's end
break;
}
}
}
return result;
}
// graceful closing socket: let client know that he's told to fuck off
static void toomuch(int fd){
const char *m = "Try later: too much clients connected\n";
@@ -173,6 +298,7 @@ static sl_sock_hresult_e defhandler(struct sl_sock *s, const char *str){
#define COMMONHANDLERS \
{gethandler, "get", "get all meteo or only for given plugin number", NULL}, \
{getlvlhandler,"chklevel", "check 'sense level' of given plugin parameters", NULL}, \
{listhandler, "list", "show all opened plugins", NULL}, \
{timehandler, "time", "get server's UNIX time", NULL},
@@ -182,6 +308,7 @@ static sl_sock_hitem_t nethandlers[] = { // net - only getters and client-only s
{NULL, NULL, NULL, NULL}
};
static sl_sock_hitem_t localhandlers[] = { // local - full amount of setters/getters
{setlvlhandler, "setlevel", "set 'sense level' (0..3) for given plugin parameters, e.g. setlevel=1:WIND=3,HUMIDITY=3 - disable fields for station 1", NULL},
COMMONHANDLERS
{NULL, NULL, NULL, NULL}
};