/*****************************************************************************
*
* ntpq_get_assoc_clocktype
*
* This function returns a clocktype value for a given association number
* (not ID!):
*
* NTP_CLOCKTYPE_UNKNOWN Unknown clock type
* NTP_CLOCKTYPE_BROADCAST Broadcast server
* NTP_CLOCKTYPE_LOCAL Local clock
* NTP_CLOCKTYPE_UNICAST Unicast server
* NTP_CLOCKTYPE_MULTICAST Multicast server
*
****************************************************************************/
int ntpq_get_assoc_clocktype ( associd_t assoc_number )
{
int type = 0;
int i, rc = 0;
sockaddr_u dum_store;
char value[LENHOSTNAME];
char resultbuf[1024];
if ( assoc_number < 0 || assoc_number > numassoc )
return -1;
if ( peervar_assoc != assoc_cache[assoc_number].assid ) {
i = ntpq_read_assoc_peervars(
assoc_cache[assoc_number].assid, resultbuf,
sizeof(resultbuf));
if ( i <= 0 )
return -1;
rc = ntpq_getvar(resultbuf, i, "dstadr", value,
LENHOSTNAME );
} else {
rc = ntpq_get_peervar("dstadr",value,LENHOSTNAME);
}
if (0 != rc && decodenetnum(value, &dum_store)) {
type = ntpq_decodeaddrtype(&dum_store);
return type;
}
return -1;
}
/*****************************************************************************
*
* ntpq_get_assoc_clocktype
*
* This function returns a clocktype value for a given association number
* (not ID!):
*
* NTP_CLOCKTYPE_UNKNOWN Unknown clock type
* NTP_CLOCKTYPE_BROADCAST Broadcast server
* NTP_CLOCKTYPE_LOCAL Local clock
* NTP_CLOCKTYPE_UNICAST Unicast server
* NTP_CLOCKTYPE_MULTICAST Multicast server
*
****************************************************************************/
int
ntpq_get_assoc_clocktype(
int assoc_index
)
{
associd_t associd;
int i;
int rc;
sockaddr_u dum_store;
char dstadr[LENHOSTNAME];
char resultbuf[NTPQ_BUFLEN];
if (assoc_index < 0 || assoc_index >= numassoc)
return -1;
associd = assoc_cache[assoc_index].assid;
if (associd == peervar_assoc) {
rc = ntpq_get_peervar("dstadr", dstadr, sizeof(dstadr));
} else {
i = ntpq_read_assoc_peervars(associd, resultbuf,
sizeof(resultbuf));
if (i <= 0)
return -1;
rc = ntpq_getvar(resultbuf, i, "dstadr", dstadr,
sizeof(dstadr));
}
if (0 != rc && decodenetnum(dstadr, &dum_store))
return ntpq_decodeaddrtype(&dum_store);
return -1;
}
int
ntpq_read_assoc_peervars(
associd_t associd,
char *resultbuf,
int maxsize
)
{
const char *datap;
int res;
int dsize;
u_short rstatus;
l_fp rec;
l_fp ts;
char value[NTPQ_BUFLEN];
res = doquery(CTL_OP_READVAR, associd, 0, 0, NULL, &rstatus,
&dsize, &datap);
if (res != 0)
return 0;
get_systime(&ts);
if (dsize == 0) {
if (numhosts > 1)
fprintf(stderr, "server=%s ", currenthost);
fprintf(stderr,
"***No information returned for association %d\n",
associd);
return 0;
} else {
if ( dsize > maxsize )
dsize = maxsize;
memcpy(resultbuf, datap, dsize);
resultbuf[dsize] = '\0';
ntpq_getvar(resultbuf, dsize, "rec", value,
sizeof(value));
if (!decodets(value, &rec))
L_CLR(&rec);
memcpy(resultbuf, value, maxsize);
resultbuf[dsize] = '\0';
dsize = strlen(resultbuf);
}
return dsize;
}
size_t
read_ntp_value(
const char * variable,
char * value,
size_t valuesize
)
{
size_t sv_len;
char sv_data[NTPQ_BUFLEN];
memset(sv_data, 0, sizeof(sv_data));
sv_len = ntpq_read_sysvars(sv_data, sizeof(sv_data));
if (0 == sv_len)
return 0;
else
return ntpq_getvar(sv_data, sv_len, variable, value,
valuesize);
}
/*****************************************************************************
*
* ntp_get_peervar
*
* This function uses the variable-set which was read by using
* ntp_get_peervars and searches for a variable specified with varname. If
* such a variable exists, it writes its value into
* varvalue (maxlen specifies the size of this target buffer).
*
****************************************************************************
* Parameters:
* varname char* requested variable name
* varvalue char* the buffer where the value should go into
* maxlen int maximum number of bytes that can be copied to
* varvalue
*
* Returns:
* int number of bytes copied to varvalue
* - OR -
* 0 (zero) if an error occured or the variable could
* not be found
****************************************************************************/
int ntpq_get_peervar( const char *varname, char *varvalue, int maxlen)
{
return ( ntpq_getvar(peervars,peervarlen,varname,varvalue,maxlen) );
}
