#include <string.h>
#include <errno.h>
#include <sys/types.h>
-#include <sys/socket.h>
#include <sys/un.h>
#ifndef UNIX_PATH_MAX
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 milisecond
-answers100-1000 counts the number of queries answered within 1 second
-answers10-100 counts the number of queries answered within 100 miliseconds
-answers1-10 counts the number of queries answered within 10 miliseconds
-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[] = /* {{{ */
{"recursing-questions", "dns_question", "recurse"},
{"tcp-queries", "dns_question", "tcp"},
{"udp-queries", "dns_question", "udp"},
+ {"rd-queries", "dns_question", "rd"},
/* Answers */
{"recursing-answers", "dns_answer", "recurse"},
{"tcp-answers", "dns_answer", "tcp"},
{"udp-answers", "dns_answer", "udp"},
+ {"recursion-unanswered", "dns_answer", "recursion-unanswered"},
+ {"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"},
+ {"signature-cache-size", "cache_size", "signature"},
{"query-cache-hit", "cache_result", "query-hit"},
{"query-cache-miss", "cache_result", "query-miss"},
/* Latency */
{"latency", "latency", NULL},
+ /* DNS updates */
+ {"dnsupdate-answers", "dns_answer", "dnsupdate-answer"},
+ {"dnsupdate-changes", "dns_question", "dnsupdate-changes"},
+ {"dnsupdate-queries", "dns_question", "dnsupdate-queries"},
+ {"dnsupdate-refused", "dns_answer", "dnsupdate-refused"},
+
/* Other stuff.. */
{"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"},
{"udp4-queries", "dns_question", "queries-udp4"},
{"udp6-answers", "dns_answer", "udp6"},
{"udp6-queries", "dns_question", "queries-udp6"},
+ {"security-status", "dns_question", "security-status"},
+ {"udp-do-queries", "dns_question", "udp-do_queries"},
+ {"signatures", "counter", "signatures"},
/***********************
* 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", "", ""} */
+ {"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 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;
timeout.tv_sec=5;
timeout.tv_usec=0;
status = setsockopt (sd, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof (timeout));
+ if (status != 0)
+ {
+ FUNC_ERROR ("setsockopt");
+ close (sd);
+ return (-1);
+ }
status = connect (sd, (struct sockaddr *) &item->sockaddr,
sizeof (item->sockaddr));
buffer[buffer_size] = 0;
} /* while (42) */
close (sd);
- sd = -1;
if (status < 0)
{
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';
}
}
return (0);
} /* }}} int powerdns_read_recursor */
-static int powerdns_config_add_string (const char *name, /* {{{ */
- char **dest,
- oconfig_item_t *ci)
-{
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("powerdns plugin: `%s' needs exactly one string argument.",
- name);
- return (-1);
- }
-
- sfree (*dest);
- *dest = strdup (ci->values[0].value.string);
- if (*dest == NULL)
- return (-1);
-
- return (0);
-} /* }}} int powerdns_config_add_string */
-
static int powerdns_config_add_collect (list_item_t *li, /* {{{ */
oconfig_item_t *ci)
{
if (strcasecmp ("Collect", option->key) == 0)
status = powerdns_config_add_collect (item, option);
else if (strcasecmp ("Socket", option->key) == 0)
- status = powerdns_config_add_string ("Socket", &socket_temp, option);
+ status = cf_util_get_string (option, &socket_temp);
else
{
ERROR ("powerdns plugin: Option `%s' not allowed here.", option->key);
if (status != 0)
{
+ sfree (socket_temp);
sfree (item);
return (-1);
}
DEBUG ("powerdns plugin: Add server: instance = %s;", item->instance);
+ sfree (socket_temp);
return (0);
} /* }}} int powerdns_config_add_server */