if (hd->interval != 0)
cb_interval.tv_sec = (time_t) hd->interval;
- status = plugin_register_complex_read (cb_name, csnmp_read_host,
- /* interval = */ &cb_interval, /* user_data = */ &cb_data);
+ status = plugin_register_complex_read (/* group = */ NULL, cb_name,
+ csnmp_read_host, /* interval = */ &cb_interval,
+ /* user_data = */ &cb_data);
if (status != 0)
{
ERROR ("snmp plugin: Registering complex read function failed.");
double scale, double shift)
{
value_t ret;
- uint64_t temp = 0;
+ uint64_t tmp_unsigned = 0;
+ int64_t tmp_signed = 0;
int defined = 1;
if ((vl->type == ASN_INTEGER)
#endif
|| (vl->type == ASN_GAUGE))
{
- temp = (uint32_t) *vl->val.integer;
- DEBUG ("snmp plugin: Parsed int32 value is %"PRIu64".", temp);
+ tmp_unsigned = (uint32_t) *vl->val.integer;
+ tmp_signed = (int32_t) *vl->val.integer;
+ DEBUG ("snmp plugin: Parsed int32 value is %"PRIi64".", tmp_signed);
}
else if (vl->type == ASN_COUNTER64)
{
- temp = (uint32_t) vl->val.counter64->high;
- temp = temp << 32;
- temp += (uint32_t) vl->val.counter64->low;
- DEBUG ("snmp plugin: Parsed int64 value is %"PRIu64".", temp);
+ tmp_unsigned = (uint32_t) vl->val.counter64->high;
+ tmp_unsigned = tmp_unsigned << 32;
+ tmp_unsigned += (uint32_t) vl->val.counter64->low;
+ tmp_signed = (int64_t) tmp_unsigned;
+ DEBUG ("snmp plugin: Parsed int64 value is %"PRIu64".", tmp_unsigned);
}
else if (vl->type == ASN_OCTET_STR)
{
}
else
{
- WARNING ("snmp plugin: I don't know the ASN type `%i'", (int) vl->type);
+ char oid_buffer[1024];
+
+ memset (oid_buffer, 0, sizeof (oid_buffer));
+ snprint_objid (oid_buffer, sizeof (oid_buffer) - 1,
+ vl->name, vl->name_length);
+
+#ifdef ASN_NULL
+ if (vl->type == ASN_NULL)
+ INFO ("snmp plugin: OID \"%s\" is undefined (type ASN_NULL)",
+ oid_buffer);
+ else
+#endif
+ WARNING ("snmp plugin: I don't know the ASN type \"%i\" (OID: %s)",
+ (int) vl->type, oid_buffer);
+
defined = 0;
}
if (vl->type == ASN_OCTET_STR)
{
- char *endptr;
+ int status = -1;
- endptr = NULL;
if (vl->val.string != NULL)
{
char string[64];
string_length = vl->val_len;
/* The strings we get from the Net-SNMP library may not be null
- * terminated. That is why we're using `membpy' here and not `strcpy'.
+ * terminated. That is why we're using `memcpy' here and not `strcpy'.
* `string_length' is set to `vl->val_len' which holds the length of the
* string. -octo */
memcpy (string, vl->val.string, string_length);
string[string_length] = 0;
- if (type == DS_TYPE_COUNTER)
+ status = parse_value (string, &ret, type);
+ if (status != 0)
{
- ret.counter = (counter_t) strtoll (string, &endptr, /* base = */ 0);
- DEBUG ("snmp plugin: csnmp_value_list_to_value: String to counter: %s -> %llu",
- string, (unsigned long long) ret.counter);
- }
- else if (type == DS_TYPE_GAUGE)
- {
- ret.gauge = (gauge_t) strtod (string, &endptr);
- DEBUG ("snmp plugin: csnmp_value_list_to_value: String to gauge: %s -> %g",
- string, (double) ret.gauge);
+ ERROR ("snmp plugin: csnmp_value_list_to_value: Parsing string as %s failed: %s",
+ DS_TYPE_TO_STRING (type), string);
}
}
- /* Check if an error occurred */
- if ((vl->val.string == NULL) || (endptr == (char *) vl->val.string))
+ if (status != 0)
{
- if (type == DS_TYPE_COUNTER)
- ret.counter = 0;
- else if (type == DS_TYPE_GAUGE)
- ret.gauge = NAN;
+ switch (type)
+ {
+ case DS_TYPE_COUNTER:
+ case DS_TYPE_DERIVE:
+ case DS_TYPE_ABSOLUTE:
+ memset (&ret, 0, sizeof (ret));
+ break;
+
+ case DS_TYPE_GAUGE:
+ ret.gauge = NAN;
+ break;
+
+ default:
+ ERROR ("snmp plugin: csnmp_value_list_to_value: Unknown "
+ "data source type: %i.", type);
+ ret.gauge = NAN;
+ }
}
- }
+ } /* if (vl->type == ASN_OCTET_STR) */
else if (type == DS_TYPE_COUNTER)
{
- ret.counter = temp;
+ ret.counter = tmp_unsigned;
}
else if (type == DS_TYPE_GAUGE)
{
ret.gauge = NAN;
if (defined != 0)
- ret.gauge = (scale * temp) + shift;
+ ret.gauge = (scale * tmp_signed) + shift;
+ }
+ else if (type == DS_TYPE_DERIVE)
+ ret.derive = (derive_t) tmp_signed;
+ else if (type == DS_TYPE_ABSOLUTE)
+ ret.absolute = (absolute_t) tmp_unsigned;
+ else
+ {
+ ERROR ("snmp plugin: csnmp_value_list_to_value: Unknown data source "
+ "type: %i.", type);
+ ret.gauge = NAN;
}
return (ret);
return (0);
} /* int csnmp_check_res_left_subtree */
+static int csnmp_strvbcopy_hexstring (char *dst, /* {{{ */
+ const struct variable_list *vb, size_t dst_size)
+{
+ char *buffer_ptr;
+ size_t buffer_free;
+ size_t i;
+
+ buffer_ptr = dst;
+ buffer_free = dst_size;
+
+ for (i = 0; i < vb->val_len; i++)
+ {
+ int status;
+
+ status = snprintf (buffer_ptr, buffer_free,
+ (i == 0) ? "%02x" : ":%02x", (unsigned int) vb->val.bitstring[i]);
+
+ if (status >= buffer_free)
+ {
+ buffer_ptr += (buffer_free - 1);
+ *buffer_ptr = 0;
+ return (dst_size + (buffer_free - status));
+ }
+ else /* if (status < buffer_free) */
+ {
+ buffer_ptr += status;
+ buffer_free -= status;
+ }
+ }
+
+ return ((int) (dst_size - buffer_free));
+} /* }}} int csnmp_strvbcopy_hexstring */
+
+static int csnmp_strvbcopy (char *dst, /* {{{ */
+ const struct variable_list *vb, size_t dst_size)
+{
+ char *src;
+ size_t num_chars;
+ size_t i;
+
+ if (vb->type == ASN_OCTET_STR)
+ src = (char *) vb->val.string;
+ else if (vb->type == ASN_BIT_STR)
+ src = (char *) vb->val.bitstring;
+ else
+ {
+ dst[0] = 0;
+ return (EINVAL);
+ }
+
+ num_chars = dst_size - 1;
+ if (num_chars > vb->val_len)
+ num_chars = vb->val_len;
+
+ for (i = 0; i < num_chars; i++)
+ {
+ /* Check for control characters. */
+ if ((unsigned char)src[i] < 32)
+ return (csnmp_strvbcopy_hexstring (dst, vb, dst_size));
+ dst[i] = src[i];
+ }
+ dst[num_chars] = 0;
+
+ return ((int) vb->val_len);
+} /* }}} int csnmp_strvbcopy */
+
static int csnmp_instance_list_add (csnmp_list_instances_t **head,
csnmp_list_instances_t **tail,
const struct snmp_pdu *res)
if ((vb->type == ASN_OCTET_STR) || (vb->type == ASN_BIT_STR))
{
char *ptr;
- size_t instance_len;
-
- memset (il->instance, 0, sizeof (il->instance));
- instance_len = sizeof (il->instance) - 1;
- if (instance_len > vb->val_len)
- instance_len = vb->val_len;
- sstrncpy (il->instance, (char *) ((vb->type == ASN_OCTET_STR)
- ? vb->val.string
- : vb->val.bitstring),
- instance_len + 1);
+ csnmp_strvbcopy (il->instance, vb, sizeof (il->instance));
for (ptr = il->instance; *ptr != '\0'; ptr++)
{
char temp[DATA_MAX_NAME_LEN];
if (instance_list_ptr == NULL)
- ssnprintf (temp, sizeof (temp), "%u", (uint32_t) subid);
+ ssnprintf (temp, sizeof (temp), "%"PRIu32, (uint32_t) subid);
else
sstrncpy (temp, instance_list_ptr->instance, sizeof (temp));