diff --git a/src/snmp.c b/src/snmp.c
index 45d13c73e4d6f0959672985ec80cea558406ba5a..7d340d18c2398a8a26fb845d7b0e03352b53f903 100644 (file)
--- a/src/snmp.c
+++ b/src/snmp.c
/**
* collectd - src/snmp.c
- * Copyright (C) 2007 Florian octo Forster
+ * Copyright (C) 2007-2012 Florian octo Forster
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
**/
#include "collectd.h"
int version;
void *sess_handle;
c_complain_t complaint;
- uint32_t interval;
+ cdtime_t interval;
data_definition_t **data_list;
int data_list_len;
};
* gaps in tables. */
struct csnmp_list_instances_s
{
- oid subid;
+ oid_t suffix;
char instance[DATA_MAX_NAME_LEN];
struct csnmp_list_instances_s *next;
};
struct csnmp_table_values_s
{
- oid subid;
+ oid_t suffix;
value_t value;
struct csnmp_table_values_s *next;
};
/*
* Private functions
*/
+static void csnmp_oid_init (oid_t *dst, oid const *src, size_t n)
+{
+ assert (n <= STATIC_ARRAY_SIZE (dst->oid));
+ memcpy (dst->oid, src, sizeof (*src) * n);
+ dst->oid_len = n;
+}
+
+static int csnmp_oid_compare (oid_t const *left, oid_t const *right)
+{
+ return (snmp_oid_compare (left->oid, left->oid_len,
+ right->oid, right->oid_len));
+}
+
+static int csnmp_oid_suffix (oid_t *dst, oid_t const *src,
+ oid_t const *root)
+{
+ /* Make sure "src" is in "root"s subtree. */
+ if (src->oid_len <= root->oid_len)
+ return (EINVAL);
+ if (snmp_oid_ncompare (root->oid, root->oid_len,
+ src->oid, src->oid_len,
+ /* n = */ root->oid_len) != 0)
+ return (EINVAL);
+
+ memset (dst, 0, sizeof (*dst));
+ dst->oid_len = src->oid_len - root->oid_len;
+ memcpy (dst->oid, &src->oid[root->oid_len],
+ dst->oid_len * sizeof (dst->oid[0]));
+ return (0);
+}
+
+static int csnmp_oid_to_string (char *buffer, size_t buffer_size,
+ oid_t const *o)
+{
+ char oid_str[MAX_OID_LEN][16];
+ char *oid_str_ptr[MAX_OID_LEN];
+ size_t i;
+
+ for (i = 0; i < o->oid_len; i++)
+ {
+ ssnprintf (oid_str[i], sizeof (oid_str[i]), "%lu", (unsigned long) o->oid[i]);
+ oid_str_ptr[i] = oid_str[i];
+ }
+
+ return (strjoin (buffer, buffer_size,
+ oid_str_ptr, o->oid_len, /* separator = */ "."));
+}
+
static void csnmp_host_close_session (host_definition_t *host) /* {{{ */
{
if (host->sess_handle == NULL)
* +-> csnmp_config_add_host_community
* +-> csnmp_config_add_host_version
* +-> csnmp_config_add_host_collect
- * +-> csnmp_config_add_host_interval
*/
static void call_snmp_init_once (void)
{
return (0);
} /* int csnmp_config_add_host_collect */
-static int csnmp_config_add_host_interval (host_definition_t *hd, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("snmp plugin: The `Interval' config option needs exactly one number argument.");
- return (-1);
- }
-
- hd->interval = ci->values[0].value.number >= 0
- ? (uint32_t) ci->values[0].value.number
- : 0;
-
- return (0);
-} /* int csnmp_config_add_host_interval */
-
static int csnmp_config_add_host (oconfig_item_t *ci)
{
host_definition_t *hd;
else if (strcasecmp ("Collect", option->key) == 0)
csnmp_config_add_host_collect (hd, option);
else if (strcasecmp ("Interval", option->key) == 0)
- csnmp_config_add_host_interval (hd, option);
+ cf_util_get_cdtime (option, &hd->interval);
else
{
WARNING ("snmp plugin: csnmp_config_add_host: Option `%s' not allowed here.", option->key);
cb_data.data = hd;
cb_data.free_func = csnmp_host_definition_destroy;
- memset (&cb_interval, 0, sizeof (cb_interval));
- if (hd->interval != 0)
- cb_interval.tv_sec = (time_t) hd->interval;
+ CDTIME_T_TO_TIMESPEC (hd->interval, &cb_interval);
status = plugin_register_complex_read (/* group = */ NULL, cb_name,
csnmp_read_host, /* interval = */ &cb_interval,
/* TODO: Check if negative values wrap around. Problem: negative temperatures. */
static value_t csnmp_value_list_to_value (struct variable_list *vl, int type,
- double scale, double shift)
+ double scale, double shift,
+ const char *host_name, const char *data_name)
{
value_t ret;
uint64_t tmp_unsigned = 0;
oid_buffer);
else
#endif
- WARNING ("snmp plugin: I don't know the ASN type \"%i\" (OID: %s)",
- (int) vl->type, oid_buffer);
+ WARNING ("snmp plugin: I don't know the ASN type #%i "
+ "(OID: \"%s\", data block \"%s\", host block \"%s\")",
+ (int) vl->type, oid_buffer,
+ (data_name != NULL) ? data_name : "UNKNOWN",
+ (host_name != NULL) ? host_name : "UNKNOWN");
defined = 0;
}
return (ret);
} /* value_t csnmp_value_list_to_value */
-/* Returns true if all OIDs have left their subtree */
-static int csnmp_check_res_left_subtree (const host_definition_t *host,
- const data_definition_t *data,
- struct snmp_pdu *res)
-{
- struct variable_list *vb;
- int num_checked;
- int num_left_subtree;
- int i;
-
- vb = res->variables;
- if (vb == NULL)
- return (-1);
-
- num_checked = 0;
- num_left_subtree = 0;
-
- /* check all the variables and count how many have left their subtree */
- for (vb = res->variables, i = 0;
- (vb != NULL) && (i < data->values_len);
- vb = vb->next_variable, i++)
- {
- num_checked++;
-
- if ((vb->type == SNMP_ENDOFMIBVIEW)
- || (snmp_oid_ncompare (data->values[i].oid,
- data->values[i].oid_len,
- vb->name, vb->name_length,
- data->values[i].oid_len) != 0))
- num_left_subtree++;
- }
-
- /* check if enough variables have been returned */
- if (i < data->values_len)
- {
- ERROR ("snmp plugin: host %s: Expected %i variables, but got only %i",
- host->name, data->values_len, i);
- return (-1);
- }
-
- if (data->instance.oid.oid_len > 0)
- {
- if (vb == NULL)
- {
- ERROR ("snmp plugin: host %s: Expected one more variable for "
- "the instance..", host->name);
- return (-1);
- }
-
- num_checked++;
- if (snmp_oid_ncompare (data->instance.oid.oid,
- data->instance.oid.oid_len,
- vb->name, vb->name_length,
- data->instance.oid.oid_len) != 0)
- num_left_subtree++;
- }
-
- DEBUG ("snmp plugin: csnmp_check_res_left_subtree: %i of %i variables have "
- "left their subtree",
- num_left_subtree, num_checked);
- if (num_left_subtree >= num_checked)
- return (1);
- return (0);
-} /* int csnmp_check_res_left_subtree */
-
static int csnmp_strvbcopy_hexstring (char *dst, /* {{{ */
const struct variable_list *vb, size_t dst_size)
{
static int csnmp_instance_list_add (csnmp_list_instances_t **head,
csnmp_list_instances_t **tail,
- const struct snmp_pdu *res)
+ const struct snmp_pdu *res,
+ const host_definition_t *hd, const data_definition_t *dd)
{
csnmp_list_instances_t *il;
struct variable_list *vb;
+ oid_t vb_name;
+ int status;
/* Set vb on the last variable */
for (vb = res->variables;
if (vb == NULL)
return (-1);
+ csnmp_oid_init (&vb_name, vb->name, vb->name_length);
+
il = malloc (sizeof (*il));
if (il == NULL)
{
ERROR ("snmp plugin: malloc failed.");
return (-1);
}
- /* XXX copy entire OID */
- il->subid = vb->name[vb->name_length - 1];
+ memset (il, 0, sizeof (*il));
il->next = NULL;
+ status = csnmp_oid_suffix (&il->suffix, &vb_name, &dd->instance.oid);
+ if (status != 0)
+ {
+ sfree (il);
+ return (status);
+ }
+
/* Get instance name */
if ((vb->type == ASN_OCTET_STR) || (vb->type == ASN_BIT_STR))
{
}
else
{
- value_t val = csnmp_value_list_to_value (vb, DS_TYPE_COUNTER, 1.0, 0.0);
+ value_t val = csnmp_value_list_to_value (vb, DS_TYPE_COUNTER,
+ /* scale = */ 1.0, /* shift = */ 0.0, hd->name, dd->name);
ssnprintf (il->instance, sizeof (il->instance),
"%llu", val.counter);
}
@@ -1064,8 +1044,8 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
csnmp_table_values_t **value_table_ptr;
int i;
- oid subid;
- int have_more;
+ _Bool have_more;
+ oid_t current_suffix;
ds = plugin_get_ds (data->type);
if (!ds)
@@ -1077,15 +1057,14 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
instance_list_ptr = instance_list;
- value_table_ptr = (csnmp_table_values_t **) malloc (sizeof (csnmp_table_values_t *)
- * data->values_len);
+ value_table_ptr = malloc (sizeof (*value_table_ptr) * data->values_len);
if (value_table_ptr == NULL)
return (-1);
for (i = 0; i < data->values_len; i++)
value_table_ptr[i] = value_table[i];
vl.values_len = ds->ds_num;
- vl.values = (value_t *) malloc (sizeof (value_t) * vl.values_len);
+ vl.values = malloc (sizeof (*vl.values) * vl.values_len);
if (vl.values == NULL)
{
ERROR ("snmp plugin: malloc failed.");
@@ -1098,50 +1077,70 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
vl.interval = host->interval;
- subid = 0;
have_more = 1;
-
- while (have_more != 0)
+ memset (¤t_suffix, 0, sizeof (current_suffix));
+ while (have_more)
{
+ _Bool suffix_skipped = 0;
+
+ /* Determine next suffix to handle. */
if (instance_list != NULL)
{
- while ((instance_list_ptr != NULL)
- && (instance_list_ptr->subid < subid))
- instance_list_ptr = instance_list_ptr->next;
-
if (instance_list_ptr == NULL)
{
have_more = 0;
continue;
}
- else if (instance_list_ptr->subid > subid)
+
+ memcpy (¤t_suffix, &instance_list_ptr->suffix, sizeof (current_suffix));
+ }
+ else /* no instance configured */
+ {
+ csnmp_table_values_t *ptr = value_table_ptr[0];
+ if (ptr == NULL)
{
- subid = instance_list_ptr->subid;
+ have_more = 0;
continue;
}
- } /* if (instance_list != NULL) */
+ memcpy (¤t_suffix, &ptr->suffix, sizeof (current_suffix));
+ }
+
+ /* Update all the value_table_ptr to point at the entry with the same
+ * trailing partial OID */
for (i = 0; i < data->values_len; i++)
{
while ((value_table_ptr[i] != NULL)
- && (value_table_ptr[i]->subid < subid))
- value_table_ptr[i] = value_table_ptr[i]->next;
+ && (csnmp_oid_compare (&value_table_ptr[i]->suffix, ¤t_suffix) < 0))
+ value_table_ptr[i] = value_table_ptr[i]->next;
if (value_table_ptr[i] == NULL)
{
have_more = 0;
break;
}
- else if (value_table_ptr[i]->subid > subid)
+ else if (csnmp_oid_compare (&value_table_ptr[i]->suffix, ¤t_suffix) > 0)
{
- subid = value_table_ptr[i]->subid;
+ /* This suffix is missing in the subtree. Indicate this with the
+ * "suffix_skipped" flag and try the next instance / suffix. */
+ suffix_skipped = 1;
break;
}
} /* for (i = 0; i < columns; i++) */
- /* The subid has been increased - start scanning from the beginning
- * again.. */
- if (i < data->values_len)
+
+ if (!have_more)
+ break;
+
+ /* Matching the values failed. Start from the beginning again. */
+ if (suffix_skipped)
+ {
+ if (instance_list != NULL)
+ instance_list_ptr = instance_list_ptr->next;
+ else
+ value_table_ptr[0] = value_table_ptr[0]->next;
+
continue;
+ }
/* if we reach this line, all value_table_ptr[i] are non-NULL and are set
* to the same subid. instance_list_ptr is either NULL or points to the
@@ -1150,10 +1149,12 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
for (i = 1; i < data->values_len; i++)
{
assert (value_table_ptr[i] != NULL);
- assert (value_table_ptr[i-1]->subid == value_table_ptr[i]->subid);
+ assert (csnmp_oid_compare (&value_table_ptr[i-1]->suffix,
+ &value_table_ptr[i]->suffix) == 0);
}
assert ((instance_list_ptr == NULL)
- || (instance_list_ptr->subid == value_table_ptr[0]->subid));
+ || (csnmp_oid_compare (&instance_list_ptr->suffix,
+ &value_table_ptr[0]->suffix) == 0));
#endif
sstrncpy (vl.type, data->type, sizeof (vl.type));
@@ -1162,7 +1163,7 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
char temp[DATA_MAX_NAME_LEN];
if (instance_list_ptr == NULL)
- ssnprintf (temp, sizeof (temp), "%"PRIu32, (uint32_t) subid);
+ csnmp_oid_to_string (temp, sizeof (temp), ¤t_suffix);
else
sstrncpy (temp, instance_list_ptr->instance, sizeof (temp));
@@ -1179,8 +1180,11 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
/* If we get here `vl.type_instance' and all `vl.values' have been set */
plugin_dispatch_values (&vl);
- subid++;
- } /* while (have_more != 0) */
+ if (instance_list != NULL)
+ instance_list_ptr = instance_list_ptr->next;
+ else
+ value_table_ptr[0] = value_table_ptr[0]->next;
+ } /* while (have_more) */
sfree (vl.values);
sfree (value_table_ptr);
@@ -1195,11 +1199,18 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
struct variable_list *vb;
const data_set_t *ds;
- oid_t *oid_list;
- uint32_t oid_list_len;
+
+ uint32_t oid_list_len = (uint32_t) (data->values_len + 1);
+ /* Holds the last OID returned by the device. We use this in the GETNEXT
+ * request to proceed. */
+ oid_t oid_list[oid_list_len];
+ /* Set to false when an OID has left its subtree so we don't re-request it
+ * again. */
+ _Bool oid_list_todo[oid_list_len];
int status;
int i;
+ uint32_t j;
/* `value_list_head' and `value_list_tail' implement a linked list for each
* value. `instance_list_head' and `instance_list_tail' implement a linked list of
@@ -1233,19 +1244,15 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
}
/* We need a copy of all the OIDs, because GETNEXT will destroy them. */
- oid_list_len = data->values_len + 1;
- oid_list = (oid_t *) malloc (sizeof (oid_t) * (oid_list_len));
- if (oid_list == NULL)
- {
- ERROR ("snmp plugin: csnmp_read_table: malloc failed.");
- return (-1);
- }
memcpy (oid_list, data->values, data->values_len * sizeof (oid_t));
if (data->instance.oid.oid_len > 0)
memcpy (oid_list + data->values_len, &data->instance.oid, sizeof (oid_t));
- else
+ else /* no InstanceFrom option specified. */
oid_list_len--;
+ for (j = 0; j < oid_list_len; j++)
+ oid_list_todo[j] = 1;
+
/* We're going to construct n linked lists, one for each "value".
* value_list_head will contain pointers to the heads of these linked lists,
* value_list_tail will contain pointers to the tail of the lists. */
@@ -1254,7 +1261,6 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
if ((value_list_head == NULL) || (value_list_tail == NULL))
{
ERROR ("snmp plugin: csnmp_read_table: calloc failed.");
- sfree (oid_list);
sfree (value_list_head);
sfree (value_list_tail);
return (-1);
@@ -1266,6 +1272,8 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
status = 0;
while (status == 0)
{
+ int oid_list_todo_num;
+
req = snmp_pdu_create (SNMP_MSG_GETNEXT);
if (req == NULL)
{
@@ -1274,12 +1282,26 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
break;
}
- for (i = 0; (uint32_t) i < oid_list_len; i++)
- snmp_add_null_var (req, oid_list[i].oid, oid_list[i].oid_len);
+ oid_list_todo_num = 0;
+ for (j = 0; j < oid_list_len; j++)
+ {
+ /* Do not rerequest already finished OIDs */
+ if (!oid_list_todo[j])
+ continue;
+ oid_list_todo_num++;
+ snmp_add_null_var (req, oid_list[j].oid, oid_list[j].oid_len);
+ }
+
+ if (oid_list_todo_num == 0)
+ {
+ /* The request is still empty - so we are finished */
+ DEBUG ("snmp plugin: all variables have left their subtree");
+ status = 0;
+ break;
+ }
res = NULL;
status = snmp_sess_synch_response (host->sess_handle, req, &res);
-
if ((status != STAT_SUCCESS) || (res == NULL))
{
char *errstr = NULL;
@@ -1294,12 +1316,15 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
snmp_free_pdu (res);
res = NULL;
+ /* snmp_synch_response already freed our PDU */
+ req = NULL;
sfree (errstr);
csnmp_host_close_session (host);
status = -1;
break;
}
+
status = 0;
assert (res != NULL);
c_release (LOG_INFO, &host->complaint,
@@ -1313,95 +1338,97 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
break;
}
- /* Check if all values (and possibly the instance) have left their
- * subtree */
- if (csnmp_check_res_left_subtree (host, data, res) != 0)
- {
- status = 0;
- break;
- }
-
- /* Copy the OID of the value used as instance to oid_list, if an instance
- * is configured. */
- if (data->instance.oid.oid_len > 0)
- {
- /* Allocate a new `csnmp_list_instances_t', insert the instance name and
- * add it to the list */
- if (csnmp_instance_list_add (&instance_list_head, &instance_list_tail,
- res, &data->instance.oid) != 0)
- {
- ERROR ("snmp plugin: csnmp_instance_list_add failed.");
- status = -1;
- break;
- }
-
- /* The instance OID is added to the list of OIDs to GET from the
- * snmp agent last, so set vb on the last variable returned and copy
- * that OID. */
- for (vb = res->variables;
- (vb != NULL) && (vb->next_variable != NULL);
- vb = vb->next_variable)
- /* do nothing */;
- assert (vb != NULL);
-
- /* Copy the OID of the instance value to oid_list[data->values_len] */
- memcpy (oid_list[data->values_len].oid, vb->name,
- sizeof (oid) * vb->name_length);
- oid_list[data->values_len].oid_len = vb->name_length;
- }
-
- /* Iterate over all the (non-instance) values returned by the agent. The
- * (i < value_len) check will make sure we're not handling the instance OID
- * twice. */
- for (vb = res->variables, i = 0;
- (vb != NULL) && (i < data->values_len);
- vb = vb->next_variable, i++)
+ for (vb = res->variables, i = 0; (vb != NULL); vb = vb->next_variable, i++)
{
- csnmp_table_values_t *vt;
-
- /* Check if we left the subtree */
- if (snmp_oid_ncompare (data->values[i].oid,
- data->values[i].oid_len,
- vb->name, vb->name_length,
- data->values[i].oid_len) != 0)
- {
- DEBUG ("snmp plugin: host = %s; data = %s; Value %i left its subtree.",
- host->name, data->name, i);
- continue;
- }
+ /* Calculate value index from todo list */
+ while (!oid_list_todo[i] && (i < oid_list_len))
+ i++;
- if ((value_list_tail[i] != NULL)
- && (vb->name[vb->name_length - 1] <= value_list_tail[i]->subid))
+ /* An instance is configured and the res variable we process is the
+ * instance value (last index) */
+ if ((data->instance.oid.oid_len > 0) && (i == data->values_len))
{
- DEBUG ("snmp plugin: host = %s; data = %s; i = %i; "
- "SUBID is not increasing.",
- host->name, data->name, i);
- continue;
+ if ((vb->type == SNMP_ENDOFMIBVIEW)
+ || (snmp_oid_ncompare (data->instance.oid.oid,
+ data->instance.oid.oid_len,
+ vb->name, vb->name_length,
+ data->instance.oid.oid_len) != 0))
+ {
+ DEBUG ("snmp plugin: host = %s; data = %s; Instance left its subtree.",
+ host->name, data->name);
+ oid_list_todo[i] = 0;
+ continue;
+ }
+
+ /* Allocate a new `csnmp_list_instances_t', insert the instance name and
+ * add it to the list */
+ if (csnmp_instance_list_add (&instance_list_head, &instance_list_tail,
+ res, host, data) != 0)
+ {
+ ERROR ("snmp plugin: csnmp_instance_list_add failed.");
+ status = -1;
+ break;
+ }
}
-
- vt = (csnmp_table_values_t *) malloc (sizeof (csnmp_table_values_t));
- if (vt == NULL)
+ else /* The variable we are processing is a normal value */
{
- ERROR ("snmp plugin: malloc failed.");
- status = -1;
- break;
+ csnmp_table_values_t *vt;
+ oid_t vb_name;
+ oid_t suffix;
+ int ret;
+
+ csnmp_oid_init (&vb_name, vb->name, vb->name_length);
+
+ /* Calculate the current suffix. This is later used to check that the
+ * suffix is increasing. This also checks if we left the subtree */
+ ret = csnmp_oid_suffix (&suffix, &vb_name, data->values + i);
+ if (ret != 0)
+ {
+ DEBUG ("snmp plugin: host = %s; data = %s; i = %i; "
+ "Value probably left its subtree.",
+ host->name, data->name, i);
+ oid_list_todo[i] = 0;
+ continue;
+ }
+
+ /* Make sure the OIDs returned by the agent are increasing. Otherwise our
+ * table matching algorithm will get confused. */
+ if ((value_list_tail[i] != NULL)
+ && (csnmp_oid_compare (&suffix, &value_list_tail[i]->suffix) <= 0))
+ {
+ DEBUG ("snmp plugin: host = %s; data = %s; i = %i; "
+ "Suffix is not increasing.",
+ host->name, data->name, i);
+ oid_list_todo[i] = 0;
+ continue;
+ }
+
+ vt = malloc (sizeof (*vt));
+ if (vt == NULL)
+ {
+ ERROR ("snmp plugin: malloc failed.");
+ status = -1;
+ break;
+ }
+ memset (vt, 0, sizeof (*vt));
+
+ vt->value = csnmp_value_list_to_value (vb, ds->ds[i].type,
+ data->scale, data->shift, host->name, data->name);
+ memcpy (&vt->suffix, &suffix, sizeof (vt->suffix));
+ vt->next = NULL;
+
+ if (value_list_tail[i] == NULL)
+ value_list_head[i] = vt;
+ else
+ value_list_tail[i]->next = vt;
+ value_list_tail[i] = vt;
}
- vt->subid = vb->name[vb->name_length - 1];
- vt->value = csnmp_value_list_to_value (vb, ds->ds[i].type,
- data->scale, data->shift);
- vt->next = NULL;
-
- if (value_list_tail[i] == NULL)
- value_list_head[i] = vt;
- else
- value_list_tail[i]->next = vt;
- value_list_tail[i] = vt;
-
- /* Copy OID to oid_list[i + 1] */
+ /* Copy OID to oid_list[i] */
memcpy (oid_list[i].oid, vb->name, sizeof (oid) * vb->name_length);
oid_list[i].oid_len = vb->name_length;
- } /* for (i = data->values_len) */
+
+ } /* for (vb = res->variables ...) */
if (res != NULL)
snmp_free_pdu (res);
@@ -1412,6 +1439,10 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
snmp_free_pdu (res);
res = NULL;
+ if (req != NULL)
+ snmp_free_pdu (req);
+ req = NULL;
+
if (status == 0)
csnmp_dispatch_table (host, data, instance_list_head, value_list_head);
@@ -1435,7 +1466,6 @@ static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
sfree (value_list_head);
sfree (value_list_tail);
- sfree (oid_list);
return (0);
} /* int csnmp_read_table */
@@ -1540,7 +1570,7 @@ static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
if (snmp_oid_compare (data->values[i].oid, data->values[i].oid_len,
vb->name, vb->name_length) == 0)
vl.values[i] = csnmp_value_list_to_value (vb, ds->ds[i].type,
- data->scale, data->shift);
+ data->scale, data->shift, host->name, data->name);
} /* for (res->variables) */
if (res != NULL)
@@ -1557,8 +1587,8 @@ static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
static int csnmp_read_host (user_data_t *ud)
{
host_definition_t *host;
- time_t time_start;
- time_t time_end;
+ cdtime_t time_start;
+ cdtime_t time_end;
int status;
int success;
int i;
host = ud->data;
if (host->interval == 0)
- host->interval = interval_g;
+ host->interval = plugin_get_interval ();
- time_start = time (NULL);
- DEBUG ("snmp plugin: csnmp_read_host (%s) started at %u;", host->name,
- (unsigned int) time_start);
+ time_start = cdtime ();
if (host->sess_handle == NULL)
csnmp_host_open_session (host);
success++;
}
- time_end = time (NULL);
- DEBUG ("snmp plugin: csnmp_read_host (%s) finished at %u;", host->name,
- (unsigned int) time_end);
- if ((uint32_t) (time_end - time_start) > host->interval)
+ time_end = cdtime ();
+ if ((time_end - time_start) > host->interval)
{
- WARNING ("snmp plugin: Host `%s' should be queried every %"PRIu32
- " seconds, but reading all values takes %u seconds.",
- host->name, host->interval, (unsigned int) (time_end - time_start));
+ WARNING ("snmp plugin: Host `%s' should be queried every %.3f "
+ "seconds, but reading all values takes %.3f seconds.",
+ host->name,
+ CDTIME_T_TO_DOUBLE (host->interval),
+ CDTIME_T_TO_DOUBLE (time_end - time_start));
}
if (success == 0)