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Merge pull request #1887 from rubenk/make-xfs-optional
[collectd.git]
/
src
/
snmp.c
diff --git
a/src/snmp.c
b/src/snmp.c
index
18c5207
..
abeda43
100644
(file)
--- a/
src/snmp.c
+++ b/
src/snmp.c
@@
-25,12
+25,11
@@
**/
#include "collectd.h"
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#include "utils_complain.h"
#include "common.h"
#include "plugin.h"
#include "utils_complain.h"
-#include <pthread.h>
-
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
@@
-166,9
+165,8
@@
static int csnmp_oid_to_string (char *buffer, size_t buffer_size,
{
char oid_str[MAX_OID_LEN][16];
char *oid_str_ptr[MAX_OID_LEN];
{
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++)
+ for (
size_t
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];
{
ssnprintf (oid_str[i], sizeof (oid_str[i]), "%lu", (unsigned long) o->oid[i]);
oid_str_ptr[i] = oid_str[i];
@@
-293,15
+291,13
@@
static int csnmp_config_add_data_instance_prefix (data_definition_t *dd,
static int csnmp_config_add_data_values (data_definition_t *dd, oconfig_item_t *ci)
{
static int csnmp_config_add_data_values (data_definition_t *dd, oconfig_item_t *ci)
{
- int i;
-
if (ci->values_num < 1)
{
WARNING ("snmp plugin: `Values' needs at least one argument.");
return (-1);
}
if (ci->values_num < 1)
{
WARNING ("snmp plugin: `Values' needs at least one argument.");
return (-1);
}
- for (i = 0; i < ci->values_num; i++)
+ for (i
nt i
= 0; i < ci->values_num; i++)
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
WARNING ("snmp plugin: `Values' needs only string argument.");
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
WARNING ("snmp plugin: `Values' needs only string argument.");
@@
-310,12
+306,12
@@
static int csnmp_config_add_data_values (data_definition_t *dd, oconfig_item_t *
sfree (dd->values);
dd->values_len = 0;
sfree (dd->values);
dd->values_len = 0;
- dd->values =
(oid_t *) malloc (sizeof (oid_t
) * ci->values_num);
+ dd->values =
malloc (sizeof (*dd->values
) * ci->values_num);
if (dd->values == NULL)
return (-1);
dd->values_len = (size_t) ci->values_num;
if (dd->values == NULL)
return (-1);
dd->values_len = (size_t) ci->values_num;
- for (i = 0; i < ci->values_num; i++)
+ for (i
nt i
= 0; i < ci->values_num; i++)
{
dd->values[i].oid_len = MAX_OID_LEN;
{
dd->values[i].oid_len = MAX_OID_LEN;
@@
-336,12
+332,10
@@
static int csnmp_config_add_data_values (data_definition_t *dd, oconfig_item_t *
static int csnmp_config_add_data_blacklist(data_definition_t *dd, oconfig_item_t *ci)
{
static int csnmp_config_add_data_blacklist(data_definition_t *dd, oconfig_item_t *ci)
{
- int i;
-
if (ci->values_num < 1)
return (0);
if (ci->values_num < 1)
return (0);
- for (i = 0; i < ci->values_num; i++)
+ for (i
nt i
= 0; i < ci->values_num; i++)
{
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
{
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
@@
-353,7
+347,7
@@
static int csnmp_config_add_data_blacklist(data_definition_t *dd, oconfig_item_t
dd->ignores_len = 0;
dd->ignores = NULL;
dd->ignores_len = 0;
dd->ignores = NULL;
- for (i = 0; i < ci->values_num; ++i)
+ for (i
nt i
= 0; i < ci->values_num; ++i)
{
if (strarray_add(&(dd->ignores), &(dd->ignores_len), ci->values[i].value.string) != 0)
{
{
if (strarray_add(&(dd->ignores), &(dd->ignores_len), ci->values[i].value.string) != 0)
{
@@
-382,12
+376,10
@@
static int csnmp_config_add_data (oconfig_item_t *ci)
{
data_definition_t *dd;
int status = 0;
{
data_definition_t *dd;
int status = 0;
- int i;
- dd =
(data_definition_t *) malloc (sizeof (data_definition_t
));
+ dd =
calloc (1, sizeof (*dd
));
if (dd == NULL)
return (-1);
if (dd == NULL)
return (-1);
- memset (dd, '\0', sizeof (data_definition_t));
status = cf_util_get_string(ci, &dd->name);
if (status != 0)
status = cf_util_get_string(ci, &dd->name);
if (status != 0)
@@
-399,7
+391,7
@@
static int csnmp_config_add_data (oconfig_item_t *ci)
dd->scale = 1.0;
dd->shift = 0.0;
dd->scale = 1.0;
dd->shift = 0.0;
- for (i = 0; i < ci->children_num; i++)
+ for (i
nt i
= 0; i < ci->children_num; i++)
{
oconfig_item_t *option = ci->children + i;
{
oconfig_item_t *option = ci->children + i;
@@
-505,7
+497,6
@@
static int csnmp_config_add_host_collect (host_definition_t *host,
data_definition_t *data;
data_definition_t **data_list;
int data_list_len;
data_definition_t *data;
data_definition_t **data_list;
int data_list_len;
- int i;
if (ci->values_num < 1)
{
if (ci->values_num < 1)
{
@@
-513,7
+504,7
@@
static int csnmp_config_add_host_collect (host_definition_t *host,
return (-1);
}
return (-1);
}
- for (i = 0; i < ci->values_num; i++)
+ for (i
nt i
= 0; i < ci->values_num; i++)
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
WARNING ("snmp plugin: All arguments to `Collect' must be strings.");
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
WARNING ("snmp plugin: All arguments to `Collect' must be strings.");
@@
-521,13
+512,13
@@
static int csnmp_config_add_host_collect (host_definition_t *host,
}
data_list_len = host->data_list_len + ci->values_num;
}
data_list_len = host->data_list_len + ci->values_num;
- data_list =
(data_definition_t **)
realloc (host->data_list,
+ data_list = realloc (host->data_list,
sizeof (data_definition_t *) * data_list_len);
if (data_list == NULL)
return (-1);
host->data_list = data_list;
sizeof (data_definition_t *) * data_list_len);
if (data_list == NULL)
return (-1);
host->data_list = data_list;
- for (i = 0; i < ci->values_num; i++)
+ for (i
nt i
= 0; i < ci->values_num; i++)
{
for (data = data_head; data != NULL; data = data->next)
if (strcasecmp (ci->values[i].value.string, data->name) == 0)
{
for (data = data_head; data != NULL; data = data->next)
if (strcasecmp (ci->values[i].value.string, data->name) == 0)
@@
-640,27
+631,27
@@
static int csnmp_config_add_host (oconfig_item_t *ci)
{
host_definition_t *hd;
int status = 0;
{
host_definition_t *hd;
int status = 0;
- int i;
/* Registration stuff. */
char cb_name[DATA_MAX_NAME_LEN];
/* Registration stuff. */
char cb_name[DATA_MAX_NAME_LEN];
- user_data_t cb_data;
- hd =
(host_definition_t *) malloc (sizeof (host_definition_t
));
+ hd =
calloc (1, sizeof (*hd
));
if (hd == NULL)
return (-1);
if (hd == NULL)
return (-1);
- memset (hd, '\0', sizeof (host_definition_t));
hd->version = 2;
C_COMPLAIN_INIT (&hd->complaint);
status = cf_util_get_string(ci, &hd->name);
if (status != 0)
hd->version = 2;
C_COMPLAIN_INIT (&hd->complaint);
status = cf_util_get_string(ci, &hd->name);
if (status != 0)
+ {
+ sfree (hd);
return status;
return status;
+ }
hd->sess_handle = NULL;
hd->interval = 0;
hd->sess_handle = NULL;
hd->interval = 0;
- for (i = 0; i < ci->children_num; i++)
+ for (i
nt i
= 0; i < ci->children_num; i++)
{
oconfig_item_t *option = ci->children + i;
status = 0;
{
oconfig_item_t *option = ci->children + i;
status = 0;
@@
-773,12
+764,13
@@
static int csnmp_config_add_host (oconfig_item_t *ci)
ssnprintf (cb_name, sizeof (cb_name), "snmp-%s", hd->name);
ssnprintf (cb_name, sizeof (cb_name), "snmp-%s", hd->name);
- memset (&cb_data, 0, sizeof (cb_data));
- cb_data.data = hd;
- cb_data.free_func = csnmp_host_definition_destroy;
+ user_data_t ud = {
+ .data = hd,
+ .free_func = csnmp_host_definition_destroy
+ };
status = plugin_register_complex_read (/* group = */ NULL, cb_name,
status = plugin_register_complex_read (/* group = */ NULL, cb_name,
- csnmp_read_host, hd->interval, /* user_data = */ &
cb_data
);
+ csnmp_read_host, hd->interval, /* user_data = */ &
ud
);
if (status != 0)
{
ERROR ("snmp plugin: Registering complex read function failed.");
if (status != 0)
{
ERROR ("snmp plugin: Registering complex read function failed.");
@@
-791,11
+783,9
@@
static int csnmp_config_add_host (oconfig_item_t *ci)
static int csnmp_config (oconfig_item_t *ci)
{
static int csnmp_config (oconfig_item_t *ci)
{
- int i;
-
call_snmp_init_once ();
call_snmp_init_once ();
- for (i = 0; i < ci->children_num; i++)
+ for (i
nt i
= 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Data", child->key) == 0)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Data", child->key) == 0)
@@
-924,8
+914,7
@@
static value_t csnmp_value_list_to_value (struct variable_list *vl, int type,
tmp_unsigned = (uint32_t) *vl->val.integer;
tmp_signed = (int32_t) *vl->val.integer;
tmp_unsigned = (uint32_t) *vl->val.integer;
tmp_signed = (int32_t) *vl->val.integer;
- if ((vl->type == ASN_INTEGER)
- || (vl->type == ASN_GAUGE))
+ if (vl->type == ASN_INTEGER)
prefer_signed = 1;
DEBUG ("snmp plugin: Parsed int32 value is %"PRIu64".", tmp_unsigned);
prefer_signed = 1;
DEBUG ("snmp plugin: Parsed int32 value is %"PRIu64".", tmp_unsigned);
@@
-944,9
+933,8
@@
static value_t csnmp_value_list_to_value (struct variable_list *vl, int type,
}
else
{
}
else
{
- char oid_buffer[1024];
+ char oid_buffer[1024]
= { 0 }
;
- memset (oid_buffer, 0, sizeof (oid_buffer));
snprint_objid (oid_buffer, sizeof (oid_buffer) - 1,
vl->name, vl->name_length);
snprint_objid (oid_buffer, sizeof (oid_buffer) - 1,
vl->name, vl->name_length);
@@
-1058,14
+1046,13
@@
static int csnmp_strvbcopy_hexstring (char *dst, /* {{{ */
{
char *buffer_ptr;
size_t buffer_free;
{
char *buffer_ptr;
size_t buffer_free;
- size_t i;
dst[0] = 0;
buffer_ptr = dst;
buffer_free = dst_size;
dst[0] = 0;
buffer_ptr = dst;
buffer_free = dst_size;
- for (i = 0; i < vb->val_len; i++)
+ for (
size_t
i = 0; i < vb->val_len; i++)
{
int status;
{
int status;
@@
-1098,12
+1085,19
@@
static int csnmp_strvbcopy (char *dst, /* {{{ */
{
char *src;
size_t num_chars;
{
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;
if (vb->type == ASN_OCTET_STR)
src = (char *) vb->val.string;
else if (vb->type == ASN_BIT_STR)
src = (char *) vb->val.bitstring;
+ else if (vb->type == ASN_IPADDRESS)
+ {
+ return ssnprintf (dst, dst_size, "%"PRIu8".%"PRIu8".%"PRIu8".%"PRIu8"",
+ (uint8_t) vb->val.string[0],
+ (uint8_t) vb->val.string[1],
+ (uint8_t) vb->val.string[2],
+ (uint8_t) vb->val.string[3]);
+ }
else
{
dst[0] = 0;
else
{
dst[0] = 0;
@@
-1114,7
+1108,7
@@
static int csnmp_strvbcopy (char *dst, /* {{{ */
if (num_chars > vb->val_len)
num_chars = vb->val_len;
if (num_chars > vb->val_len)
num_chars = vb->val_len;
- for (i = 0; i < num_chars; i++)
+ for (
size_t
i = 0; i < num_chars; i++)
{
/* Check for control characters. */
if ((unsigned char)src[i] < 32)
{
/* Check for control characters. */
if ((unsigned char)src[i] < 32)
@@
-1139,7
+1133,6
@@
static int csnmp_instance_list_add (csnmp_list_instances_t **head,
struct variable_list *vb;
oid_t vb_name;
int status;
struct variable_list *vb;
oid_t vb_name;
int status;
- uint32_t i;
uint32_t is_matched;
/* Set vb on the last variable */
uint32_t is_matched;
/* Set vb on the last variable */
@@
-1152,13
+1145,12
@@
static int csnmp_instance_list_add (csnmp_list_instances_t **head,
csnmp_oid_init (&vb_name, vb->name, vb->name_length);
csnmp_oid_init (&vb_name, vb->name, vb->name_length);
- il =
malloc (
sizeof (*il));
+ il =
calloc (1,
sizeof (*il));
if (il == NULL)
{
if (il == NULL)
{
- ERROR ("snmp plugin:
m
alloc failed.");
+ ERROR ("snmp plugin:
c
alloc failed.");
return (-1);
}
return (-1);
}
- memset (il, 0, sizeof (*il));
il->next = NULL;
status = csnmp_oid_suffix (&il->suffix, &vb_name, &dd->instance.oid);
il->next = NULL;
status = csnmp_oid_suffix (&il->suffix, &vb_name, &dd->instance.oid);
@@
-1169,13
+1161,13
@@
static int csnmp_instance_list_add (csnmp_list_instances_t **head,
}
/* Get instance name */
}
/* Get instance name */
- if ((vb->type == ASN_OCTET_STR) || (vb->type == ASN_BIT_STR))
+ if ((vb->type == ASN_OCTET_STR) || (vb->type == ASN_BIT_STR)
|| (vb->type == ASN_IPADDRESS)
)
{
char *ptr;
csnmp_strvbcopy (il->instance, vb, sizeof (il->instance));
is_matched = 0;
{
char *ptr;
csnmp_strvbcopy (il->instance, vb, sizeof (il->instance));
is_matched = 0;
- for (i = 0; i < dd->ignores_len; i++)
+ for (
uint32_t
i = 0; i < dd->ignores_len; i++)
{
status = fnmatch(dd->ignores[i], il->instance, 0);
if (status == 0)
{
status = fnmatch(dd->ignores[i], il->instance, 0);
if (status == 0)
@@
-1271,7
+1263,6
@@
static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
vl.interval = host->interval;
have_more = 1;
vl.interval = host->interval;
have_more = 1;
- memset (¤t_suffix, 0, sizeof (current_suffix));
while (have_more)
{
_Bool suffix_skipped = 0;
while (have_more)
{
_Bool suffix_skipped = 0;
@@
-1370,8
+1361,12
@@
static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
for (i = 0; i < data->values_len; i++)
vl.values[i] = value_table_ptr[i]->value;
for (i = 0; i < data->values_len; i++)
vl.values[i] = value_table_ptr[i]->value;
- /* If we get here `vl.type_instance' and all `vl.values' have been set */
- plugin_dispatch_values (&vl);
+ /* If we get here `vl.type_instance' and all `vl.values' have been set
+ * vl.type_instance can be empty, i.e. a blank port description on a
+ * switch if you're using IF-MIB::ifDescr as Instance.
+ */
+ if (vl.type_instance[0] != '\0')
+ plugin_dispatch_values (&vl);
if (instance_list != NULL)
instance_list_ptr = instance_list_ptr->next;
if (instance_list != NULL)
instance_list_ptr = instance_list_ptr->next;
@@
-1388,7
+1383,7
@@
static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
{
struct snmp_pdu *req;
static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
{
struct snmp_pdu *req;
- struct snmp_pdu *res;
+ struct snmp_pdu *res
= NULL
;
struct variable_list *vb;
const data_set_t *ds;
struct variable_list *vb;
const data_set_t *ds;
@@
-1597,14
+1592,13
@@
static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
continue;
}
continue;
}
- vt =
malloc (
sizeof (*vt));
+ vt =
calloc (1,
sizeof (*vt));
if (vt == NULL)
{
if (vt == NULL)
{
- ERROR ("snmp plugin:
m
alloc failed.");
+ ERROR ("snmp plugin:
c
alloc failed.");
status = -1;
break;
}
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);
vt->value = csnmp_value_list_to_value (vb, ds->ds[i].type,
data->scale, data->shift, host->name, data->name);
@@
-1667,7
+1661,7
@@
static int csnmp_read_table (host_definition_t *host, data_definition_t *data)
static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
{
struct snmp_pdu *req;
static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
{
struct snmp_pdu *req;
- struct snmp_pdu *res;
+ struct snmp_pdu *res
= NULL
;
struct variable_list *vb;
const data_set_t *ds;
struct variable_list *vb;
const data_set_t *ds;
@@
-1700,7
+1694,7
@@
static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
}
vl.values_len = ds->ds_num;
}
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)
return (-1);
for (i = 0; i < vl.values_len; i++)
if (vl.values == NULL)
return (-1);
for (i = 0; i < vl.values_len; i++)
@@
-1729,7
+1723,6
@@
static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
for (i = 0; i < data->values_len; i++)
snmp_add_null_var (req, data->values[i].oid, data->values[i].oid_len);
for (i = 0; i < data->values_len; i++)
snmp_add_null_var (req, data->values[i].oid, data->values[i].oid_len);
- res = NULL;
status = snmp_sess_synch_response (host->sess_handle, req, &res);
if ((status != STAT_SUCCESS) || (res == NULL))
status = snmp_sess_synch_response (host->sess_handle, req, &res);
if ((status != STAT_SUCCESS) || (res == NULL))
@@
-1742,9
+1735,9
@@
static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
if (res != NULL)
snmp_free_pdu (res);
if (res != NULL)
snmp_free_pdu (res);
- res = NULL;
sfree (errstr);
sfree (errstr);
+ sfree (vl.values);
csnmp_host_close_session (host);
return (-1);
csnmp_host_close_session (host);
return (-1);
@@
-1767,9
+1760,7
@@
static int csnmp_read_value (host_definition_t *host, data_definition_t *data)
data->scale, data->shift, host->name, data->name);
} /* for (res->variables) */
data->scale, data->shift, host->name, data->name);
} /* for (res->variables) */
- if (res != NULL)
- snmp_free_pdu (res);
- res = NULL;
+ snmp_free_pdu (res);
DEBUG ("snmp plugin: -> plugin_dispatch_values (&vl);");
plugin_dispatch_values (&vl);
DEBUG ("snmp plugin: -> plugin_dispatch_values (&vl);");
plugin_dispatch_values (&vl);
@@
-1781,8
+1772,6
@@
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;
static int csnmp_read_host (user_data_t *ud)
{
host_definition_t *host;
- cdtime_t time_start;
- cdtime_t time_end;
int status;
int success;
int i;
int status;
int success;
int i;
@@
-1792,8
+1781,6
@@
static int csnmp_read_host (user_data_t *ud)
if (host->interval == 0)
host->interval = plugin_get_interval ();
if (host->interval == 0)
host->interval = plugin_get_interval ();
- time_start = cdtime ();
-
if (host->sess_handle == NULL)
csnmp_host_open_session (host);
if (host->sess_handle == NULL)
csnmp_host_open_session (host);
@@
-1814,16
+1801,6
@@
static int csnmp_read_host (user_data_t *ud)
success++;
}
success++;
}
- time_end = cdtime ();
- if ((time_end - time_start) > host->interval)
- {
- 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)
return (-1);
if (success == 0)
return (-1);