**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#include "configfile.h"
#include "utils_llist.h"
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
-#include <sys/socket.h>
#include <sys/un.h>
#ifndef UNIX_PATH_MAX
struct statname_lookup_s
{
- char *name;
- char *type;
- char *type_instance;
+ const char *name;
+ const char *type;
+ const char *type_instance;
};
typedef struct statname_lookup_s statname_lookup_t;
/* Description of statistics returned by the recursor: {{{
-all-outqueries counts the number of outgoing UDP queries since starting
-answers0-1 counts the number of queries answered within 1 millisecond
-answers100-1000 counts the number of queries answered within 1 second
-answers10-100 counts the number of queries answered within 100 milliseconds
-answers1-10 counts the number of queries answered within 10 milliseconds
-answers-slow counts the number of queries answered after 1 second
-cache-entries shows the number of entries in the cache
-cache-hits counts the number of cache hits since starting
-cache-misses counts the number of cache misses since starting
-chain-resends number of queries chained to existing outstanding query
-client-parse-errors counts number of client packets that could not be parsed
-concurrent-queries shows the number of MThreads currently running
-dlg-only-drops number of records dropped because of delegation only setting
-negcache-entries shows the number of entries in the Negative answer cache
-noerror-answers counts the number of times it answered NOERROR since starting
-nsspeeds-entries shows the number of entries in the NS speeds map
-nsset-invalidations number of times an nsset was dropped because it no longer worked
-nxdomain-answers counts the number of times it answered NXDOMAIN since starting
-outgoing-timeouts counts the number of timeouts on outgoing UDP queries since starting
-qa-latency shows the current latency average
-questions counts all End-user initiated queries with the RD bit set
-resource-limits counts number of queries that could not be performed because of resource limits
-server-parse-errors counts number of server replied packets that could not be parsed
-servfail-answers counts the number of times it answered SERVFAIL since starting
-spoof-prevents number of times PowerDNS considered itself spoofed, and dropped the data
-sys-msec number of CPU milliseconds spent in 'system' mode
-tcp-client-overflow number of times an IP address was denied TCP access because it already had too many connections
-tcp-outqueries counts the number of outgoing TCP queries since starting
-tcp-questions counts all incoming TCP queries (since starting)
-throttled-out counts the number of throttled outgoing UDP queries since starting
-throttle-entries shows the number of entries in the throttle map
-unauthorized-tcp number of TCP questions denied because of allow-from restrictions
-unauthorized-udp number of UDP questions denied because of allow-from restrictions
-unexpected-packets number of answers from remote servers that were unexpected (might point to spoofing)
-uptime number of seconds process has been running (since 3.1.5)
-user-msec number of CPU milliseconds spent in 'user' mode
+all-outqueries counts the number of outgoing UDP queries since starting
+answers-slow counts the number of queries answered after 1 second
+answers0-1 counts the number of queries answered within 1 millisecond
+answers1-10 counts the number of queries answered within 10 milliseconds
+answers10-100 counts the number of queries answered within 100 milliseconds
+answers100-1000 counts the number of queries answered within 1 second
+cache-bytes size of the cache in bytes (since 3.3.1)
+cache-entries shows the number of entries in the cache
+cache-hits counts the number of cache hits since starting, this does not include hits that got answered from the packet-cache
+cache-misses counts the number of cache misses since starting
+case-mismatches counts the number of mismatches in character case since starting
+chain-resends number of queries chained to existing outstanding query
+client-parse-errors counts number of client packets that could not be parsed
+concurrent-queries shows the number of MThreads currently running
+dlg-only-drops number of records dropped because of delegation only setting
+dont-outqueries number of outgoing queries dropped because of 'dont-query' setting (since 3.3)
+edns-ping-matches number of servers that sent a valid EDNS PING respons
+edns-ping-mismatches number of servers that sent an invalid EDNS PING response
+failed-host-entries number of servers that failed to resolve
+ipv6-outqueries number of outgoing queries over IPv6
+ipv6-questions counts all End-user initiated queries with the RD bit set, received over IPv6 UDP
+malloc-bytes returns the number of bytes allocated by the process (broken, always returns 0)
+max-mthread-stack maximum amount of thread stack ever used
+negcache-entries shows the number of entries in the Negative answer cache
+no-packet-error number of errorneous received packets
+noedns-outqueries number of queries sent out without EDNS
+noerror-answers counts the number of times it answered NOERROR since starting
+noping-outqueries number of queries sent out without ENDS PING
+nsset-invalidations number of times an nsset was dropped because it no longer worked
+nsspeeds-entries shows the number of entries in the NS speeds map
+nxdomain-answers counts the number of times it answered NXDOMAIN since starting
+outgoing-timeouts counts the number of timeouts on outgoing UDP queries since starting
+over-capacity-drops questions dropped because over maximum concurrent query limit (since 3.2)
+packetcache-bytes size of the packet cache in bytes (since 3.3.1)
+packetcache-entries size of packet cache (since 3.2)
+packetcache-hits packet cache hits (since 3.2)
+packetcache-misses packet cache misses (since 3.2)
+policy-drops packets dropped because of (Lua) policy decision
+qa-latency shows the current latency average
+questions counts all end-user initiated queries with the RD bit set
+resource-limits counts number of queries that could not be performed because of resource limits
+security-status security status based on security polling
+server-parse-errors counts number of server replied packets that could not be parsed
+servfail-answers counts the number of times it answered SERVFAIL since starting
+spoof-prevents number of times PowerDNS considered itself spoofed, and dropped the data
+sys-msec number of CPU milliseconds spent in 'system' mode
+tcp-client-overflow number of times an IP address was denied TCP access because it already had too many connections
+tcp-clients counts the number of currently active TCP/IP clients
+tcp-outqueries counts the number of outgoing TCP queries since starting
+tcp-questions counts all incoming TCP queries (since starting)
+throttle-entries shows the number of entries in the throttle map
+throttled-out counts the number of throttled outgoing UDP queries since starting
+throttled-outqueries idem to throttled-out
+unauthorized-tcp number of TCP questions denied because of allow-from restrictions
+unauthorized-udp number of UDP questions denied because of allow-from restrictions
+unexpected-packets number of answers from remote servers that were unexpected (might point to spoofing)
+unreachables number of times nameservers were unreachable since starting
+uptime number of seconds process has been running (since 3.1.5)
+user-msec number of CPU milliseconds spent in 'user' mode
}}} */
-const char* const default_server_fields[] = /* {{{ */
+static const char* const default_server_fields[] = /* {{{ */
{
"latency",
"packetcache-hit",
"udp-answers",
"udp-queries",
}; /* }}} */
-int default_server_fields_num = STATIC_ARRAY_SIZE (default_server_fields);
+static int default_server_fields_num = STATIC_ARRAY_SIZE (default_server_fields);
-statname_lookup_t lookup_table[] = /* {{{ */
+static statname_lookup_t lookup_table[] = /* {{{ */
{
/*********************
* Server statistics *
{"udp-answers-bytes", "total_bytes", "udp-answers-bytes"},
/* Cache stuff */
+ {"cache-bytes", "cache_size", "cache-bytes"},
+ {"packetcache-bytes", "cache_size", "packet-bytes"},
+ {"packetcache-entries", "cache_size", "packet-entries"},
{"packetcache-hit", "cache_result", "packet-hit"},
+ {"packetcache-hits", "cache_result", "packet-hit"},
{"packetcache-miss", "cache_result", "packet-miss"},
+ {"packetcache-misses", "cache_result", "packet-miss"},
{"packetcache-size", "cache_size", "packet"},
{"key-cache-size", "cache_size", "key"},
{"meta-cache-size", "cache_size", "meta"},
{"corrupt-packets", "ipt_packets", "corrupt"},
{"deferred-cache-inserts", "counter", "cache-deferred_insert"},
{"deferred-cache-lookup", "counter", "cache-deferred_lookup"},
+ {"dont-outqueries", "dns_question", "dont-outqueries"},
{"qsize-a", "cache_size", "answers"},
{"qsize-q", "cache_size", "questions"},
{"servfail-packets", "ipt_packets", "servfail"},
* Recursor statistics *
***********************/
/* Answers by return code */
- {"noerror-answers", "dns_rcode", "NOERROR"},
- {"nxdomain-answers", "dns_rcode", "NXDOMAIN"},
- {"servfail-answers", "dns_rcode", "SERVFAIL"},
+ {"noerror-answers", "dns_rcode", "NOERROR"},
+ {"nxdomain-answers", "dns_rcode", "NXDOMAIN"},
+ {"servfail-answers", "dns_rcode", "SERVFAIL"},
/* CPU utilization */
- {"sys-msec", "cpu", "system"},
- {"user-msec", "cpu", "user"},
+ {"sys-msec", "cpu", "system"},
+ {"user-msec", "cpu", "user"},
/* Question-to-answer latency */
- {"qa-latency", "latency", NULL},
+ {"qa-latency", "latency", NULL},
/* Cache */
- {"cache-entries", "cache_size", NULL},
- {"cache-hits", "cache_result", "hit"},
- {"cache-misses", "cache_result", "miss"},
+ {"cache-entries", "cache_size", NULL},
+ {"cache-hits", "cache_result", "hit"},
+ {"cache-misses", "cache_result", "miss"},
/* Total number of questions.. */
- {"questions", "dns_qtype", "total"},
+ {"questions", "dns_qtype", "total"},
/* All the other stuff.. */
- {"all-outqueries", "dns_question", "outgoing"},
- {"answers0-1", "dns_answer", "0_1"},
- {"answers1-10", "dns_answer", "1_10"},
- {"answers10-100", "dns_answer", "10_100"},
- {"answers100-1000", "dns_answer", "100_1000"},
- {"answers-slow", "dns_answer", "slow"},
- {"chain-resends", "dns_question", "chained"},
- {"client-parse-errors", "counter", "drops-client_parse_error"},
- {"concurrent-queries", "dns_question", "concurrent"},
- {"dlg-only-drops", "counter", "drops-delegation_only"},
- {"negcache-entries", "cache_size", "negative"},
- {"nsspeeds-entries", "gauge", "entries-ns_speeds"},
- {"nsset-invalidations", "counter", "ns_set_invalidation"},
- {"outgoing-timeouts", "counter", "drops-timeout_outgoing"},
- {"resource-limits", "counter", "drops-resource_limit"},
- {"server-parse-errors", "counter", "drops-server_parse_error"},
- {"spoof-prevents", "counter", "drops-spoofed"},
- {"tcp-client-overflow", "counter", "denied-client_overflow_tcp"},
- {"tcp-outqueries", "dns_question", "outgoing-tcp"},
- {"tcp-questions", "dns_question", "incoming-tcp"},
- {"throttled-out", "dns_question", "outgoing-throttled"},
- {"throttle-entries", "gauge", "entries-throttle"},
- {"unauthorized-tcp", "counter", "denied-unauthorized_tcp"},
- {"unauthorized-udp", "counter", "denied-unauthorized_udp"},
- {"unexpected-packets", "dns_answer", "unexpected"},
- {"uptime", "uptime", NULL}
+ {"all-outqueries", "dns_question", "outgoing"},
+ {"answers0-1", "dns_answer", "0_1"},
+ {"answers1-10", "dns_answer", "1_10"},
+ {"answers10-100", "dns_answer", "10_100"},
+ {"answers100-1000", "dns_answer", "100_1000"},
+ {"answers-slow", "dns_answer", "slow"},
+ {"case-mismatches", "counter", "case_mismatches"},
+ {"chain-resends", "dns_question", "chained"},
+ {"client-parse-errors", "counter", "drops-client_parse_error"},
+ {"concurrent-queries", "dns_question", "concurrent"},
+ {"dlg-only-drops", "counter", "drops-delegation_only"},
+ {"edns-ping-matches", "counter", "edns-ping_matches"},
+ {"edns-ping-mismatches", "counter", "edns-ping_mismatches"},
+ {"failed-host-entries", "counter", "entries-failed_host"},
+ {"ipv6-outqueries", "dns_question", "outgoing-ipv6"},
+ {"ipv6-questions", "dns_question", "incoming-ipv6"},
+ {"malloc-bytes", "gauge", "malloc_bytes"},
+ {"max-mthread-stack", "gauge", "max_mthread_stack"},
+ {"no-packet-error", "gauge", "no_packet_error"},
+ {"noedns-outqueries", "dns_question", "outgoing-noedns"},
+ {"noping-outqueries", "dns_question", "outgoing-noping"},
+ {"over-capacity-drops", "dns_question", "incoming-over_capacity"},
+ {"negcache-entries", "cache_size", "negative"},
+ {"nsspeeds-entries", "gauge", "entries-ns_speeds"},
+ {"nsset-invalidations", "counter", "ns_set_invalidation"},
+ {"outgoing-timeouts", "counter", "drops-timeout_outgoing"},
+ {"policy-drops", "counter", "drops-policy"},
+ {"resource-limits", "counter", "drops-resource_limit"},
+ {"server-parse-errors", "counter", "drops-server_parse_error"},
+ {"spoof-prevents", "counter", "drops-spoofed"},
+ {"tcp-client-overflow", "counter", "denied-client_overflow_tcp"},
+ {"tcp-clients", "gauge", "clients-tcp"},
+ {"tcp-outqueries", "dns_question", "outgoing-tcp"},
+ {"tcp-questions", "dns_question", "incoming-tcp"},
+ {"throttled-out", "dns_question", "outgoing-throttled"},
+ {"throttle-entries", "gauge", "entries-throttle"},
+ {"throttled-outqueries", "dns_question", "outgoing-throttle"},
+ {"unauthorized-tcp", "counter", "denied-unauthorized_tcp"},
+ {"unauthorized-udp", "counter", "denied-unauthorized_udp"},
+ {"unexpected-packets", "dns_answer", "unexpected"},
+ {"uptime", "uptime", NULL}
}; /* }}} */
-int lookup_table_length = STATIC_ARRAY_SIZE (lookup_table);
+static int lookup_table_length = STATIC_ARRAY_SIZE (lookup_table);
static llist_t *list = NULL;
static char *local_sockpath = NULL;
/* TODO: Do this before 4.4:
- * - Recursor:
- * - Complete list of known pdns -> collectd mappings.
* - Update the collectd.conf(5) manpage.
*
* -octo
*/
-/* <http://doc.powerdns.com/recursor-stats.html> */
+/* <https://doc.powerdns.com/md/recursor/stats/> */
static void submit (const char *plugin_instance, /* {{{ */
const char *pdns_type, const char *value)
{
if (ds->ds_num != 1)
{
- ERROR ("powerdns plugin: type `%s' has %i data sources, "
+ ERROR ("powerdns plugin: type `%s' has %zu data sources, "
"but I can only handle one.",
type, ds->ds_num);
return;
char *buffer = NULL;
size_t buffer_size = 0;
- struct sockaddr_un sa_unix;
+ struct sockaddr_un sa_unix = { 0 };
struct timeval stv_timeout;
cdtime_t cdt_timeout;
return (-1);
}
- memset (&sa_unix, 0, sizeof (sa_unix));
sa_unix.sun_family = AF_UNIX;
sstrncpy (sa_unix.sun_path,
(local_sockpath != NULL) ? local_sockpath : PDNS_LOCAL_SOCKPATH,
return (-1);
assert (buffer_size > 0);
- buffer = (char *) malloc (buffer_size);
+ buffer = malloc (buffer_size);
if (buffer == NULL)
{
FUNC_ERROR ("malloc");
else if (status == 0)
break;
- buffer_new = (char *) realloc (buffer, buffer_size + status + 1);
+ buffer_new = realloc (buffer, buffer_size + status + 1);
if (buffer_new == NULL)
{
FUNC_ERROR ("realloc");
saveptr = NULL;
while ((key = strtok_r (dummy, ",", &saveptr)) != NULL)
{
- int i;
-
dummy = NULL;
value = strchr (key, '=');
continue;
/* Check if this item was requested. */
+ int i;
for (i = 0; i < fields_num; i++)
if (strcasecmp (key, fields[i]) == 0)
break;
return (-1);
}
buffer[sizeof (buffer) - 1] = 0;
- int i = strlen (buffer);
- if (i < sizeof (buffer) - 2)
+ size_t len = strlen (buffer);
+ if (len < sizeof (buffer) - 2)
{
- buffer[i++] = ' ';
- buffer[i++] = '\n';
- buffer[i++] = '\0';
+ buffer[len++] = ' ';
+ buffer[len++] = '\n';
+ buffer[len++] = '\0';
}
}
static int powerdns_config_add_collect (list_item_t *li, /* {{{ */
oconfig_item_t *ci)
{
- int i;
char **temp;
if (ci->values_num < 1)
return (-1);
}
- for (i = 0; i < ci->values_num; i++)
+ for (int i = 0; i < ci->values_num; i++)
if (ci->values[i].type != OCONFIG_TYPE_STRING)
{
WARNING ("powerdns plugin: Only string arguments are allowed to "
return (-1);
}
- temp = (char **) realloc (li->fields,
+ temp = realloc (li->fields,
sizeof (char *) * (li->fields_num + ci->values_num));
if (temp == NULL)
{
}
li->fields = temp;
- for (i = 0; i < ci->values_num; i++)
+ for (int i = 0; i < ci->values_num; i++)
{
li->fields[li->fields_num] = strdup (ci->values[i].value.string);
if (li->fields[li->fields_num] == NULL)
list_item_t *item;
int status;
- int i;
if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
{
return (-1);
}
- item = (list_item_t *) malloc (sizeof (list_item_t));
+ item = calloc (1, sizeof (*item));
if (item == NULL)
{
- ERROR ("powerdns plugin: malloc failed.");
+ ERROR ("powerdns plugin: calloc failed.");
return (-1);
}
- memset (item, '\0', sizeof (list_item_t));
item->instance = strdup (ci->values[0].value.string);
if (item->instance == NULL)
}
status = 0;
- for (i = 0; i < ci->children_num; i++)
+ for (int i = 0; i < ci->children_num; i++)
{
oconfig_item_t *option = ci->children + i;
static int powerdns_config (oconfig_item_t *ci) /* {{{ */
{
- int i;
-
DEBUG ("powerdns plugin: powerdns_config (ci = %p);", (void *) ci);
if (list == NULL)
}
}
- for (i = 0; i < ci->children_num; i++)
+ for (int i = 0; i < ci->children_num; i++)
{
oconfig_item_t *option = ci->children + i;
static int powerdns_read (void)
{
- llentry_t *e;
-
- for (e = llist_head (list); e != NULL; e = e->next)
+ for (llentry_t *e = llist_head (list); e != NULL; e = e->next)
{
list_item_t *item = e->value;
item->func (item);
static int powerdns_shutdown (void)
{
- llentry_t *e;
-
if (list == NULL)
return (0);
- for (e = llist_head (list); e != NULL; e = e->next)
+ for (llentry_t *e = llist_head (list); e != NULL; e = e->next)
{
list_item_t *item = (list_item_t *) e->value;
e->value = NULL;
projects / collectd.git / blobdiff