#include "collectd.h"
-#include "common.h"
#include "plugin.h"
+#include "utils/common/common.h"
#include "utils_llist.h"
#include <errno.h>
#endif
#define FUNC_ERROR(func) \
do { \
- char errbuf[1024]; \
- ERROR("powerdns plugin: %s failed: %s", func, \
- sstrerror(errno, errbuf, sizeof(errbuf))); \
+ ERROR("powerdns plugin: %s failed: %s", func, STRERRNO); \
} while (0)
#define SOCK_ERROR(func, sockpath) \
do { \
- char errbuf[1024]; \
ERROR("powerdns plugin: Socket `%s` %s failed: %s", sockpath, func, \
- sstrerror(errno, errbuf, sizeof(errbuf))); \
+ STRERRNO); \
} while (0)
#define SERVER_SOCKET LOCALSTATEDIR "/run/pdns.controlsocket"
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
+ milliseconds
answers10-100 counts the number of queries answered within 100
-milliseconds
+ 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
+ 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
+ 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
+ setting
dont-outqueries number of outgoing queries dropped because of 'dont-query'
-setting (since 3.3)
+ 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
+ received over IPv6 UDP
malloc-bytes returns the number of bytes allocated by the process
-(broken, always returns 0)
+ (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
+ 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
+ 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
+ starting
outgoing-timeouts counts the number of timeouts on outgoing UDP queries
-since starting
+ since starting
over-capacity-drops questions dropped because over maximum concurrent query
-limit (since 3.2)
+ 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)
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
+ 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
+ parsed
servfail-answers counts the number of times it answered SERVFAIL since
-starting
+ starting
spoof-prevents number of times PowerDNS considered itself spoofed, and
-dropped the data
+ 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
+ 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
+ starting
throttled-outqueries idem to throttled-out
unauthorized-tcp number of TCP questions denied because of allow-from
-restrictions
+ restrictions
unauthorized-udp number of UDP questions denied because of allow-from
-restrictions
+ restrictions
unexpected-packets number of answers from remote servers that were unexpected
-(might point to spoofing)
+ (might point to spoofing)
unreachables number of times nameservers were unreachable since
-starting
+ starting
uptime number of seconds process has been running (since 3.1.5)
user-msec number of CPU milliseconds spent in 'user' mode
}}} */
{"unauthorized-tcp", "counter", "denied-unauthorized_tcp"},
{"unauthorized-udp", "counter", "denied-unauthorized_udp"},
{"unexpected-packets", "dns_answer", "unexpected"},
+ {"unreachables", "counter", "unreachables"},
{"uptime", "uptime", NULL}}; /* }}} */
static int lookup_table_length = STATIC_ARRAY_SIZE(lookup_table);
-static llist_t *list = NULL;
+static llist_t *list;
#define PDNS_LOCAL_SOCKPATH LOCALSTATEDIR "/run/" PACKAGE_NAME "-powerdns"
-static char *local_sockpath = NULL;
+static char *local_sockpath;
/* TODO: Do this before 4.4:
* - Update the collectd.conf(5) manpage.
}
if (ds->ds_num != 1) {
- ERROR("powerdns plugin: type `%s' has %zu data sources, "
+ ERROR("powerdns plugin: type `%s' has %" PRIsz " data sources, "
"but I can only handle one.",
type, ds->ds_num);
return;
}
if (0 != parse_value(value_str, &value, ds->ds[0].type)) {
- ERROR("powerdns plugin: Cannot convert `%s' "
- "to a number.",
- value_str);
return;
}
sd = socket(PF_UNIX, item->socktype, 0);
if (sd < 0) {
FUNC_ERROR("socket");
- return (-1);
+ return -1;
}
sa_unix.sun_family = AF_UNIX;
if ((status != 0) && (errno != ENOENT)) {
SOCK_ERROR("unlink", sa_unix.sun_path);
close(sd);
- return (-1);
+ return -1;
}
do /* while (0) */
unlink(sa_unix.sun_path);
if (status != 0)
- return (-1);
+ return -1;
assert(buffer_size > 0);
buffer = malloc(buffer_size);
if (buffer == NULL) {
FUNC_ERROR("malloc");
- return (-1);
+ return -1;
}
memcpy(buffer, temp, buffer_size - 1);
- buffer[buffer_size - 1] = 0;
+ buffer[buffer_size - 1] = '\0';
*ret_buffer = buffer;
- return (0);
+ return 0;
} /* }}} int powerdns_get_data_dgram */
static int powerdns_get_data_stream(list_item_t *item, char **ret_buffer) {
sd = socket(PF_UNIX, item->socktype, 0);
if (sd < 0) {
FUNC_ERROR("socket");
- return (-1);
+ return -1;
}
struct timeval timeout;
if (status != 0) {
FUNC_ERROR("setsockopt");
close(sd);
- return (-1);
+ return -1;
}
status =
if (status != 0) {
SOCK_ERROR("connect", item->sockaddr.sun_path);
close(sd);
- return (-1);
+ return -1;
}
/* strlen + 1, because we need to send the terminating NULL byte, too. */
if (status < 0) {
SOCK_ERROR("send", item->sockaddr.sun_path);
close(sd);
- return (-1);
+ return -1;
}
while (42) {
static int powerdns_get_data(list_item_t *item, char **ret_buffer) {
if (item->socktype == SOCK_DGRAM)
- return (powerdns_get_data_dgram(item, ret_buffer));
+ return powerdns_get_data_dgram(item, ret_buffer);
else if (item->socktype == SOCK_STREAM)
- return (powerdns_get_data_stream(item, ret_buffer));
+ return powerdns_get_data_stream(item, ret_buffer);
else {
ERROR("powerdns plugin: Unknown socket type: %i", (int)item->socktype);
- return (-1);
+ return -1;
}
} /* int powerdns_get_data */
item->command = strdup(SERVER_COMMAND);
if (item->command == NULL) {
ERROR("powerdns plugin: strdup failed.");
- return (-1);
+ return -1;
}
char *buffer = NULL;
int status = powerdns_get_data(item, &buffer);
if (status != 0) {
ERROR("powerdns plugin: powerdns_get_data failed.");
- return (status);
+ return status;
}
if (buffer == NULL) {
return EINVAL;
sfree(buffer);
- return (0);
+ return 0;
} /* }}} int powerdns_read_server */
/*
int status;
if (li == NULL)
- return (0);
+ return 0;
if (li->fields_num < 1) {
sstrncpy(buffer, RECURSOR_COMMAND, sizeof(buffer));
/* seperator = */ " ");
if (status < 0) {
ERROR("powerdns plugin: strjoin failed.");
- return (-1);
+ return -1;
}
buffer[sizeof(buffer) - 1] = 0;
size_t len = strlen(buffer);
li->command = strdup(buffer);
if (li->command == NULL) {
ERROR("powerdns plugin: strdup failed.");
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int powerdns_update_recursor_command */
static int powerdns_read_recursor(list_item_t *item) /* {{{ */
status = powerdns_update_recursor_command(item);
if (status != 0) {
ERROR("powerdns plugin: powerdns_update_recursor_command failed.");
- return (-1);
+ return -1;
}
DEBUG("powerdns plugin: powerdns_read_recursor: item->command = %s;",
status = powerdns_get_data(item, &buffer);
if (status != 0) {
ERROR("powerdns plugin: powerdns_get_data failed.");
- return (-1);
+ return -1;
}
keys_list = strdup(item->command);
if (keys_list == NULL) {
FUNC_ERROR("strdup");
sfree(buffer);
- return (-1);
+ return -1;
}
key_saveptr = NULL;
sfree(buffer);
sfree(keys_list);
- return (0);
+ return 0;
} /* }}} int powerdns_read_recursor */
static int powerdns_config_add_collect(list_item_t *li, /* {{{ */
if (ci->values_num < 1) {
WARNING("powerdns plugin: The `Collect' option needs "
"at least one argument.");
- return (-1);
+ return -1;
}
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 "
"the `Collect' option.");
- return (-1);
+ return -1;
}
temp =
realloc(li->fields, sizeof(char *) * (li->fields_num + ci->values_num));
if (temp == NULL) {
WARNING("powerdns plugin: realloc failed.");
- return (-1);
+ return -1;
}
li->fields = temp;
/* Invalidate a previously computed command */
sfree(li->command);
- return (0);
+ return 0;
} /* }}} int powerdns_config_add_collect */
static int powerdns_config_add_server(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.",
ci->key);
- return (-1);
+ return -1;
}
item = calloc(1, sizeof(*item));
if (item == NULL) {
ERROR("powerdns plugin: calloc failed.");
- return (-1);
+ return -1;
}
item->instance = strdup(ci->values[0].value.string);
if (item->instance == NULL) {
ERROR("powerdns plugin: strdup failed.");
sfree(item);
- return (-1);
+ return -1;
}
/*
} else {
/* We must never get here.. */
assert(0);
- return (-1);
+ return -1;
}
status = 0;
if (status != 0) {
sfree(socket_temp);
sfree(item);
- return (-1);
+ return -1;
}
DEBUG("powerdns plugin: Add server: instance = %s;", item->instance);
sfree(socket_temp);
- return (0);
+ return 0;
} /* }}} int powerdns_config_add_server */
static int powerdns_config(oconfig_item_t *ci) /* {{{ */
if (list == NULL) {
ERROR("powerdns plugin: `llist_create' failed.");
- return (-1);
+ return -1;
}
}
} else {
char *temp = strdup(option->values[0].value.string);
if (temp == NULL)
- return (1);
+ return 1;
sfree(local_sockpath);
local_sockpath = temp;
}
}
} /* for (i = 0; i < ci->children_num; i++) */
- return (0);
+ return 0;
} /* }}} int powerdns_config */
static int powerdns_read(void) {
item->func(item);
}
- return (0);
+ return 0;
} /* static int powerdns_read */
static int powerdns_shutdown(void) {
if (list == NULL)
- return (0);
+ return 0;
for (llentry_t *e = llist_head(list); e != NULL; e = e->next) {
list_item_t *item = (list_item_t *)e->value;
llist_destroy(list);
list = NULL;
- return (0);
+ return 0;
} /* static int powerdns_shutdown */
void module_register(void) {
plugin_register_read("powerdns", powerdns_read);
plugin_register_shutdown("powerdns", powerdns_shutdown);
} /* void module_register */
-
-/* vim: set sw=2 sts=2 ts=8 fdm=marker : */
projects / collectd.git / blobdiff