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add UPS monitoring over SNMP

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This commit is contained in:
Edward Emelianov
2026-04-30 16:16:12 +03:00
parent 05e57ef012
commit 2413661e19
19 changed files with 512 additions and 69 deletions
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29
Daemons/weatherdaemon_multimeteo/fd.c
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@@ -29,31 +29,33 @@
#include <sys/un.h> // unix socket
#include <usefull_macros.h>
#include "fd.h"
/**
* @brief openserial - try to open serial device
* @param path - path to device and speed, colon-separated (without given speed assume 9600)
* @return -1 if failed or opened FD
* WARNING!!! Memory leakage danger. Don't call this function too much times!
*/
static int openserial(char *path){
static int openserial(const char *path){
FNAME();
int speed = 9600; // default speed
char *colon = strchr(path, ':');
char *str = strdup(path);
char *colon = strchr(str, ':');
if(colon){
*colon++ = 0;
if(!sl_str2i(&speed, colon)){
WARNX("Wrong speed settings: '%s'", colon);
FREE(str);
return -1;
}
}
sl_tty_t *serial = sl_tty_new(path, speed, BUFSIZ);
sl_tty_t *serial = sl_tty_new(str, speed, BUFSIZ);
if(!serial || !sl_tty_open(serial, TRUE)){
WARN("Can't open %s @ speed %d", path, speed);
WARN("Can't open %s @ speed %d", str, speed);
FREE(str);
return -1;
}
DBG("Opened %s @ %d", path, speed);
DBG("Opened %s @ %d", str, speed);
FREE(str);
return serial->comfd;
}
@@ -77,13 +79,12 @@ static char *convunsname(const char *path){
* @param type - UNIX or INET
* @return -1 if failed or opened FD
*/
static int opensocket(char *path, sl_socktype_e type){
static int opensocket(const char *path, sl_socktype_e type){
FNAME();
DBG("path: '%s'", path);
int sock = -1;
struct addrinfo ai = {0}, *res = &ai;
struct sockaddr_un unaddr = {0};
char *node = path, *service = NULL;
ai.ai_socktype = 0; // try to get socket type from `getaddrinfo`
switch(type){
case SOCKT_UNIX:
@@ -102,16 +103,19 @@ static int opensocket(char *path, sl_socktype_e type){
case SOCKT_NET:
case SOCKT_NETLOCAL:
ai.ai_family = AF_INET;
char *delim = strchr(path, ':');
char *str = strdup(path);
char *delim = strchr(str, ':');
char *node = str, *service = NULL;
if(delim){
*delim = 0;
service = delim+1;
if(delim == path) node = NULL; // only port
if(delim == str) node = NULL; // only port
}
DBG("node: '%s', service: '%s'", node, service);
int e = getaddrinfo(node, service, &ai, &res);
if(e){
WARNX("getaddrinfo(): %s", gai_strerror(e));
FREE(str);
return -1;
}
for(struct addrinfo *p = res; p; p = p->ai_next){
@@ -123,6 +127,7 @@ static int opensocket(char *path, sl_socktype_e type){
} else break;
}
freeaddrinfo(res);
FREE(str);
break;
default: // never reached
WARNX("Unsupported socket type %d", type);
@@ -138,7 +143,7 @@ static int opensocket(char *path, sl_socktype_e type){
* WARNING!!! Contents of `path` would be modified in this function!
* @return opened file descriptor or -1 in case of error
*/
int getFD(char *path){
int getFD(const char *path){
if(!path || !*path || strlen(path) < 2) return -1;
char type = *path;
if(path[1] != ':') return -1; // after protocol letter should be delimeter