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Commit 38b1e1cc authored by Adam Wujek's avatar Adam Wujek 💬
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lib/snmp: add support for counter64 

Signed-off-by: Adam Wujek's avatarAdam Wujek <adam.wujek@cern.ch>
parent 8b534e10
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Showing with 15 additions and 2 deletions
lib/snmp.c
View file @ 38b1e1cc
......@@ -65,6 +65,9 @@
/* used to define write only OIDs */
#define NO_SET NULL
/* limit string len */
#define MAX_OCTET_STR_LEN 32
#define OID_FIELD_STRUCT(_oid, _getf, _setf, _asn, _type, _pointer, _field) { \
.oid_match = _oid, \
.oid_len = sizeof(_oid), \
......@@ -124,9 +127,11 @@ static struct wrpc_socket __static_snmp_socket = {
};
static struct wrpc_socket *snmp_socket;
static int get_value(uint8_t *buf, uint8_t asn, void *p);
static int get_pp(uint8_t *buf, struct snmp_oid *obj);
static int get_p(uint8_t *buf, struct snmp_oid *obj);
static int get_i32sat(uint8_t *buf, uint8_t asn, void *p);
static int set_value(uint8_t *set_buff, struct snmp_oid *obj, void *p);
static int set_pp(uint8_t *buf, struct snmp_oid *obj);
static int set_p(uint8_t *buf, struct snmp_oid *obj);
......@@ -181,10 +186,10 @@ static int get_date(uint8_t *buf, struct snmp_oid *obj)
return 2 + buf[1];
}
#define MAX_OCTET_STR_LEN 32
static int get_value(uint8_t *buf, uint8_t asn, void *p)
{
uint32_t tmp;
uint64_t tmp_uint64;
uint8_t *oid_data = buf + 2;
uint8_t *len;
......@@ -198,6 +203,14 @@ static int get_value(uint8_t *buf, uint8_t asn, void *p)
*len = sizeof(tmp);
snmp_verbose("%s: 0x%x\n", __func__, *(uint32_t *)p);
break;
case ASN_COUNTER64:
tmp_uint64 = *(uint64_t *)p;
memcpy(oid_data, &tmp_uint64, sizeof(tmp_uint64));
*len = sizeof(tmp_uint64);
/* Our printf has disabled printing of 64bit values */
snmp_verbose("%s: 64bit value 0x%08x|%08x\n", __func__,
(uint32_t)(tmp_uint64 >> 32), (uint32_t)tmp_uint64);
break;
case ASN_OCTET_STR:
*len = strnlen((char *)p, MAX_OCTET_STR_LEN - 1);
memcpy(oid_data, p, *len + 1);
......@@ -229,7 +242,7 @@ static int get_i32sat(uint8_t *buf, uint8_t asn, void *p)
/* if we want to modify an object we need to do that on a copy,
* otherwise pointers to the values will be overwritten */
tmp_int64 = *(int64_t *)p;
/* gcc doesn't support printing 64bit values */
/* Our printf has disabled printing of 64bit values */
snmp_verbose("%s: 64bit value 0x%08x|%08x\n", __func__,
(int32_t)((tmp_int64) >> 32), (uint32_t)tmp_int64);
/* saturate int32 */
......
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