2 * collectd - src/bind.c
3 * Copyright (C) 2009 Bruno Prémont
4 * Copyright (C) 2009,2010 Florian Forster
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; only version 2 of the License is applicable.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * Bruno Prémont <bonbons at linux-vserver.org>
21 * Florian Forster <octo at collectd.org>
26 #if STRPTIME_NEEDS_STANDARDS
27 #ifndef _ISOC99_SOURCE
28 #define _ISOC99_SOURCE 1
30 #ifndef _POSIX_C_SOURCE
31 #define _POSIX_C_SOURCE 200112L
34 #define _XOPEN_SOURCE 500
36 #endif /* STRPTIME_NEEDS_STANDARDS */
42 #endif /* TIMEGM_NEEDS_BSD */
51 /* Some versions of libcurl don't include this themselves and then don't have
52 * fd_set available. */
54 #include <sys/select.h>
57 #include <curl/curl.h>
58 #include <libxml/parser.h>
59 #include <libxml/xpath.h>
61 #ifndef BIND_DEFAULT_URL
62 #define BIND_DEFAULT_URL "http://localhost:8053/"
66 * Some types used for the callback functions. `translation_table_ptr_t' and
67 * `list_info_ptr_t' are passed to the callbacks in the `void *user_data'
70 typedef int (*list_callback_t)(const char *name, value_t value,
71 time_t current_time, void *user_data);
83 typedef struct cb_view_s cb_view_t;
85 struct translation_info_s {
88 const char *type_instance;
90 typedef struct translation_info_s translation_info_t;
92 struct translation_table_ptr_s {
93 const translation_info_t *table;
95 const char *plugin_instance;
97 typedef struct translation_table_ptr_s translation_table_ptr_t;
99 struct list_info_ptr_s {
100 const char *plugin_instance;
103 typedef struct list_info_ptr_s list_info_ptr_t;
105 /* FIXME: Enabled by default for backwards compatibility. */
106 /* TODO: Remove time parsing code. */
107 static _Bool config_parse_time = 1;
109 static char *url = NULL;
110 static int global_opcodes = 1;
111 static int global_qtypes = 1;
112 static int global_server_stats = 1;
113 static int global_zone_maint_stats = 1;
114 static int global_resolver_stats = 0;
115 static int global_memory_stats = 1;
116 static int timeout = -1;
118 static cb_view_t *views = NULL;
119 static size_t views_num = 0;
121 static CURL *curl = NULL;
123 static char *bind_buffer = NULL;
124 static size_t bind_buffer_size = 0;
125 static size_t bind_buffer_fill = 0;
126 static char bind_curl_error[CURL_ERROR_SIZE];
128 /* Translation table for the `nsstats' values. */
129 static const translation_info_t nsstats_translation_table[] = /* {{{ */
132 {"Requestv4", "dns_request", "IPv4"},
133 {"Requestv6", "dns_request", "IPv6"},
134 {"ReqEdns0", "dns_request", "EDNS0"},
135 {"ReqBadEDNSVer", "dns_request", "BadEDNSVer"},
136 {"ReqTSIG", "dns_request", "TSIG"},
137 {"ReqSIG0", "dns_request", "SIG0"},
138 {"ReqBadSIG", "dns_request", "BadSIG"},
139 {"ReqTCP", "dns_request", "TCP"},
141 {"AuthQryRej", "dns_reject", "authoritative"},
142 {"RecQryRej", "dns_reject", "recursive"},
143 {"XfrRej", "dns_reject", "transfer"},
144 {"UpdateRej", "dns_reject", "update"},
146 {"Response", "dns_response", "normal"},
147 {"TruncatedResp", "dns_response", "truncated"},
148 {"RespEDNS0", "dns_response", "EDNS0"},
149 {"RespTSIG", "dns_response", "TSIG"},
150 {"RespSIG0", "dns_response", "SIG0"},
152 {"QryAuthAns", "dns_query", "authoritative"},
153 {"QryNoauthAns", "dns_query", "nonauth"},
154 {"QryReferral", "dns_query", "referral"},
155 {"QryRecursion", "dns_query", "recursion"},
156 {"QryDuplicate", "dns_query", "duplicate"},
157 {"QryDropped", "dns_query", "dropped"},
158 {"QryFailure", "dns_query", "failure"},
160 {"QrySuccess", "dns_rcode", "tx-NOERROR"},
161 {"QryNxrrset", "dns_rcode", "tx-NXRRSET"},
162 {"QrySERVFAIL", "dns_rcode", "tx-SERVFAIL"},
163 {"QryFORMERR", "dns_rcode", "tx-FORMERR"},
164 {"QryNXDOMAIN", "dns_rcode", "tx-NXDOMAIN"}
166 { "XfrReqDone", "type", "type_instance" },
167 { "UpdateReqFwd", "type", "type_instance" },
168 { "UpdateRespFwd", "type", "type_instance" },
169 { "UpdateFwdFail", "type", "type_instance" },
170 { "UpdateDone", "type", "type_instance" },
171 { "UpdateFail", "type", "type_instance" },
172 { "UpdateBadPrereq", "type", "type_instance" },
175 static int nsstats_translation_table_length =
176 STATIC_ARRAY_SIZE(nsstats_translation_table);
179 /* Translation table for the `zonestats' values. */
180 static const translation_info_t zonestats_translation_table[] = /* {{{ */
183 {"NotifyOutv4", "dns_notify", "tx-IPv4"},
184 {"NotifyOutv6", "dns_notify", "tx-IPv6"},
185 {"NotifyInv4", "dns_notify", "rx-IPv4"},
186 {"NotifyInv6", "dns_notify", "rx-IPv6"},
187 {"NotifyRej", "dns_notify", "rejected"},
188 /* SOA/AXFS/IXFS requests */
189 {"SOAOutv4", "dns_opcode", "SOA-IPv4"},
190 {"SOAOutv6", "dns_opcode", "SOA-IPv6"},
191 {"AXFRReqv4", "dns_opcode", "AXFR-IPv4"},
192 {"AXFRReqv6", "dns_opcode", "AXFR-IPv6"},
193 {"IXFRReqv4", "dns_opcode", "IXFR-IPv4"},
194 {"IXFRReqv6", "dns_opcode", "IXFR-IPv6"},
195 /* Domain transfers */
196 {"XfrSuccess", "dns_transfer", "success"},
197 {"XfrFail", "dns_transfer", "failure"}};
198 static int zonestats_translation_table_length =
199 STATIC_ARRAY_SIZE(zonestats_translation_table);
202 /* Translation table for the `resstats' values. */
203 static const translation_info_t resstats_translation_table[] = /* {{{ */
205 /* Generic resolver information */
206 {"Queryv4", "dns_query", "IPv4"},
207 {"Queryv6", "dns_query", "IPv6"},
208 {"Responsev4", "dns_response", "IPv4"},
209 {"Responsev6", "dns_response", "IPv6"},
210 /* Received response codes */
211 {"NXDOMAIN", "dns_rcode", "rx-NXDOMAIN"},
212 {"SERVFAIL", "dns_rcode", "rx-SERVFAIL"},
213 {"FORMERR", "dns_rcode", "rx-FORMERR"},
214 {"OtherError", "dns_rcode", "rx-OTHER"},
215 {"EDNS0Fail", "dns_rcode", "rx-EDNS0Fail"},
216 /* Received responses */
217 {"Mismatch", "dns_response", "mismatch"},
218 {"Truncated", "dns_response", "truncated"},
219 {"Lame", "dns_response", "lame"},
220 {"Retry", "dns_query", "retry"},
222 { "GlueFetchv4", "type", "type_instance" },
223 { "GlueFetchv6", "type", "type_instance" },
224 { "GlueFetchv4Fail", "type", "type_instance" },
225 { "GlueFetchv6Fail", "type", "type_instance" },
227 /* DNSSEC information */
228 {"ValAttempt", "dns_resolver", "DNSSEC-attempt"},
229 {"ValOk", "dns_resolver", "DNSSEC-okay"},
230 {"ValNegOk", "dns_resolver", "DNSSEC-negokay"},
231 {"ValFail", "dns_resolver", "DNSSEC-fail"}};
232 static int resstats_translation_table_length =
233 STATIC_ARRAY_SIZE(resstats_translation_table);
236 /* Translation table for the `memory/summary' values. */
237 static const translation_info_t memsummary_translation_table[] = /* {{{ */
238 {{"TotalUse", "memory", "TotalUse"},
239 {"InUse", "memory", "InUse"},
240 {"BlockSize", "memory", "BlockSize"},
241 {"ContextSize", "memory", "ContextSize"},
242 {"Lost", "memory", "Lost"}};
243 static int memsummary_translation_table_length =
244 STATIC_ARRAY_SIZE(memsummary_translation_table);
247 static void submit(time_t ts, const char *plugin_instance, /* {{{ */
248 const char *type, const char *type_instance, value_t value) {
249 value_list_t vl = VALUE_LIST_INIT;
253 if (config_parse_time)
254 vl.time = TIME_T_TO_CDTIME_T(ts);
255 sstrncpy(vl.plugin, "bind", sizeof(vl.plugin));
256 if (plugin_instance) {
257 sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
258 replace_special(vl.plugin_instance, sizeof(vl.plugin_instance));
260 sstrncpy(vl.type, type, sizeof(vl.type));
262 sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
263 replace_special(vl.type_instance, sizeof(vl.type_instance));
265 plugin_dispatch_values(&vl);
266 } /* }}} void submit */
268 static size_t bind_curl_callback(void *buf, size_t size, /* {{{ */
270 void __attribute__((unused)) * stream) {
271 size_t len = size * nmemb;
276 if ((bind_buffer_fill + len) >= bind_buffer_size) {
277 char *temp = realloc(bind_buffer, bind_buffer_fill + len + 1);
279 ERROR("bind plugin: realloc failed.");
283 bind_buffer_size = bind_buffer_fill + len + 1;
286 memcpy(bind_buffer + bind_buffer_fill, (char *)buf, len);
287 bind_buffer_fill += len;
288 bind_buffer[bind_buffer_fill] = 0;
291 } /* }}} size_t bind_curl_callback */
294 * Callback, that's called with a translation table.
295 * (Plugin instance is fixed, type and type instance come from lookup table.)
297 static int bind_xml_table_callback(const char *name, value_t value, /* {{{ */
298 time_t current_time, void *user_data) {
299 translation_table_ptr_t *table = (translation_table_ptr_t *)user_data;
304 for (size_t i = 0; i < table->table_length; i++) {
305 if (strcmp(table->table[i].xml_name, name) != 0)
308 submit(current_time, table->plugin_instance, table->table[i].type,
309 table->table[i].type_instance, value);
314 } /* }}} int bind_xml_table_callback */
317 * Callback, that's used for lists.
318 * (Plugin instance and type are fixed, xml name is used as type instance.)
320 static int bind_xml_list_callback(const char *name, /* {{{ */
321 value_t value, time_t current_time,
323 list_info_ptr_t *list_info = (list_info_ptr_t *)user_data;
325 if (list_info == NULL)
328 submit(current_time, list_info->plugin_instance, list_info->type,
329 /* type instance = */ name, value);
332 } /* }}} int bind_xml_list_callback */
334 static int bind_xml_read_derive(xmlDoc *doc, xmlNode *node, /* {{{ */
335 derive_t *ret_value) {
336 char *str_ptr = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
337 if (str_ptr == NULL) {
338 ERROR("bind plugin: bind_xml_read_derive: xmlNodeListGetString failed.");
344 int status = parse_value(str_ptr, &value, DS_TYPE_DERIVE);
346 ERROR("bind plugin: Parsing string \"%s\" to derive value failed.",
353 *ret_value = value.derive;
355 } /* }}} int bind_xml_read_derive */
357 static int bind_xml_read_gauge(xmlDoc *doc, xmlNode *node, /* {{{ */
358 gauge_t *ret_value) {
359 char *str_ptr = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
360 if (str_ptr == NULL) {
361 ERROR("bind plugin: bind_xml_read_gauge: xmlNodeListGetString failed.");
367 double value = strtod(str_ptr, &end_ptr);
369 if (str_ptr == end_ptr || errno) {
370 if (errno && (value < 0))
371 ERROR("bind plugin: bind_xml_read_gauge: strtod failed with underflow.");
372 else if (errno && (value > 0))
373 ERROR("bind plugin: bind_xml_read_gauge: strtod failed with overflow.");
375 ERROR("bind plugin: bind_xml_read_gauge: strtod failed.");
379 *ret_value = (gauge_t)value;
381 } /* }}} int bind_xml_read_gauge */
383 static int bind_xml_read_timestamp(const char *xpath_expression, /* {{{ */
384 xmlDoc *doc, xmlXPathContext *xpathCtx,
386 xmlXPathObject *xpathObj =
387 xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
388 if (xpathObj == NULL) {
389 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
394 if ((xpathObj->nodesetval == NULL) || (xpathObj->nodesetval->nodeNr < 1)) {
395 xmlXPathFreeObject(xpathObj);
399 if (xpathObj->nodesetval->nodeNr != 1) {
400 NOTICE("bind plugin: Evaluating the XPath expression `%s' returned "
401 "%i nodes. Only handling the first one.",
402 xpath_expression, xpathObj->nodesetval->nodeNr);
405 xmlNode *node = xpathObj->nodesetval->nodeTab[0];
407 if (node->xmlChildrenNode == NULL) {
408 ERROR("bind plugin: bind_xml_read_timestamp: "
409 "node->xmlChildrenNode == NULL");
410 xmlXPathFreeObject(xpathObj);
414 char *str_ptr = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
415 if (str_ptr == NULL) {
416 ERROR("bind plugin: bind_xml_read_timestamp: xmlNodeListGetString failed.");
417 xmlXPathFreeObject(xpathObj);
422 char *tmp = strptime(str_ptr, "%Y-%m-%dT%T", &tm);
425 ERROR("bind plugin: bind_xml_read_timestamp: strptime failed.");
426 xmlXPathFreeObject(xpathObj);
431 time_t t = timegm(&tm);
432 if (t == ((time_t)-1)) {
433 ERROR("bind plugin: timegm() failed: %s", STRERRNO);
438 time_t t = mktime(&tm);
439 if (t == ((time_t)-1)) {
440 ERROR("bind plugin: mktime() failed: %s", STRERRNO);
443 /* mktime assumes that tm is local time. Luckily, it also sets timezone to
444 * the offset used for the conversion, and we undo the conversion to convert
446 *ret_value = t - timezone;
449 xmlXPathFreeObject(xpathObj);
451 } /* }}} int bind_xml_read_timestamp */
454 * bind_parse_generic_name_value
456 * Reads statistics in the form:
459 * <counter>123</counter>
462 static int bind_parse_generic_name_value(const char *xpath_expression, /* {{{ */
463 list_callback_t list_callback,
464 void *user_data, xmlDoc *doc,
465 xmlXPathContext *xpathCtx,
466 time_t current_time, int ds_type) {
467 xmlXPathObject *xpathObj =
468 xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
469 if (xpathObj == NULL) {
470 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
476 /* Iterate over all matching nodes. */
477 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
480 xmlNode *name_node = NULL;
481 xmlNode *counter = NULL;
483 xmlNode *parent = xpathObj->nodesetval->nodeTab[i];
484 DEBUG("bind plugin: bind_parse_generic_name_value: parent->name = %s;",
485 (char *)parent->name);
487 /* Iterate over all child nodes. */
488 for (xmlNode *child = parent->xmlChildrenNode; child != NULL;
489 child = child->next) {
490 if (child->type != XML_ELEMENT_NODE)
493 if (xmlStrcmp(BAD_CAST "name", child->name) == 0)
495 else if (xmlStrcmp(BAD_CAST "counter", child->name) == 0)
499 if ((name_node != NULL) && (counter != NULL)) {
501 (char *)xmlNodeListGetString(doc, name_node->xmlChildrenNode, 1);
505 if (ds_type == DS_TYPE_GAUGE)
506 status = bind_xml_read_gauge(doc, counter, &value.gauge);
508 status = bind_xml_read_derive(doc, counter, &value.derive);
514 status = (*list_callback)(name, value, current_time, user_data);
522 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
523 (num_entries == 1) ? "entry" : "entries", xpath_expression);
525 xmlXPathFreeObject(xpathObj);
528 } /* }}} int bind_parse_generic_name_value */
531 * bind_parse_generic_value_list
533 * Reads statistics in the form:
541 static int bind_parse_generic_value_list(const char *xpath_expression, /* {{{ */
542 list_callback_t list_callback,
543 void *user_data, xmlDoc *doc,
544 xmlXPathContext *xpathCtx,
545 time_t current_time, int ds_type) {
546 xmlXPathObject *xpathObj =
547 xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
548 if (xpathObj == NULL) {
549 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
555 /* Iterate over all matching nodes. */
556 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
558 /* Iterate over all child nodes. */
559 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
560 child != NULL; child = child->next) {
562 if (child->type != XML_ELEMENT_NODE)
565 char *node_name = (char *)child->name;
569 if (ds_type == DS_TYPE_GAUGE)
570 status = bind_xml_read_gauge(doc, child, &value.gauge);
572 status = bind_xml_read_derive(doc, child, &value.derive);
576 status = (*list_callback)(node_name, value, current_time, user_data);
582 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
583 (num_entries == 1) ? "entry" : "entries", xpath_expression);
585 xmlXPathFreeObject(xpathObj);
588 } /* }}} int bind_parse_generic_value_list */
591 * bind_parse_generic_name_attr_value_list
593 * Reads statistics in the form:
595 * <counter name="name0">123</counter>
596 * <counter name="name1">234</counter>
597 * <counter name="name2">345</counter>
601 static int bind_parse_generic_name_attr_value_list(
602 const char *xpath_expression, /* {{{ */
603 list_callback_t list_callback, void *user_data, xmlDoc *doc,
604 xmlXPathContext *xpathCtx, time_t current_time, int ds_type) {
606 xmlXPathObject *xpathObj =
607 xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
608 if (xpathObj == NULL) {
609 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
615 /* Iterate over all matching nodes. */
616 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
618 /* Iterate over all child nodes. */
619 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
620 child != NULL; child = child->next) {
621 if (child->type != XML_ELEMENT_NODE)
624 if (strncmp("counter", (char *)child->name, strlen("counter")) != 0)
627 char *attr_name = (char *)xmlGetProp(child, BAD_CAST "name");
628 if (attr_name == NULL) {
629 DEBUG("bind plugin: found <counter> without name.");
636 if (ds_type == DS_TYPE_GAUGE)
637 status = bind_xml_read_gauge(doc, child, &value.gauge);
639 status = bind_xml_read_derive(doc, child, &value.derive);
645 status = (*list_callback)(attr_name, value, current_time, user_data);
653 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
654 (num_entries == 1) ? "entry" : "entries", xpath_expression);
656 xmlXPathFreeObject(xpathObj);
659 } /* }}} int bind_parse_generic_name_attr_value_list */
661 static int bind_xml_stats_handle_zone(int version, xmlDoc *doc, /* {{{ */
662 xmlXPathContext *path_ctx, xmlNode *node,
663 cb_view_t *view, time_t current_time) {
664 char *zone_name = NULL;
667 char *n = (char *)xmlGetProp(node, BAD_CAST "name");
668 char *c = (char *)xmlGetProp(node, BAD_CAST "rdataclass");
670 zone_name = (char *)xmlMalloc(strlen(n) + strlen(c) + 2);
671 snprintf(zone_name, strlen(n) + strlen(c) + 2, "%s/%s", n, c);
676 xmlXPathObject *path_obj =
677 xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
678 if (path_obj == NULL) {
679 ERROR("bind plugin: xmlXPathEvalExpression failed.");
683 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
685 zone_name = (char *)xmlNodeListGetString(
686 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
687 if (zone_name != NULL)
690 xmlXPathFreeObject(path_obj);
693 if (zone_name == NULL) {
694 ERROR("bind plugin: Could not determine zone name.");
699 for (j = 0; j < view->zones_num; j++) {
700 if (strcasecmp(zone_name, view->zones[j]) == 0)
706 if (j >= view->zones_num)
709 zone_name = view->zones[j];
711 DEBUG("bind plugin: bind_xml_stats_handle_zone: Found zone `%s'.", zone_name);
713 { /* Parse the <counters> tag {{{ */
714 char plugin_instance[DATA_MAX_NAME_LEN];
715 translation_table_ptr_t table_ptr = {nsstats_translation_table,
716 nsstats_translation_table_length,
719 snprintf(plugin_instance, sizeof(plugin_instance), "%s-zone-%s", view->name,
723 list_info_ptr_t list_info = {plugin_instance,
724 /* type = */ "dns_qtype"};
725 bind_parse_generic_name_attr_value_list(
726 /* xpath = */ "counters[@type='rcode']",
727 /* callback = */ bind_xml_table_callback,
728 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
730 bind_parse_generic_name_attr_value_list(
731 /* xpath = */ "counters[@type='qtype']",
732 /* callback = */ bind_xml_list_callback,
733 /* user_data = */ &list_info, doc, path_ctx, current_time,
736 bind_parse_generic_value_list(/* xpath = */ "counters",
737 /* callback = */ bind_xml_table_callback,
738 /* user_data = */ &table_ptr, doc, path_ctx,
739 current_time, DS_TYPE_COUNTER);
744 } /* }}} int bind_xml_stats_handle_zone */
746 static int bind_xml_stats_search_zones(int version, xmlDoc *doc, /* {{{ */
747 xmlXPathContext *path_ctx, xmlNode *node,
748 cb_view_t *view, time_t current_time) {
749 xmlXPathContext *zone_path_context = xmlXPathNewContext(doc);
750 if (zone_path_context == NULL) {
751 ERROR("bind plugin: xmlXPathNewContext failed.");
755 xmlXPathObject *zone_nodes =
756 xmlXPathEvalExpression(BAD_CAST "zones/zone", path_ctx);
757 if (zone_nodes == NULL) {
758 ERROR("bind plugin: Cannot find any <view> tags.");
759 xmlXPathFreeContext(zone_path_context);
763 for (int i = 0; i < zone_nodes->nodesetval->nodeNr; i++) {
764 node = zone_nodes->nodesetval->nodeTab[i];
765 assert(node != NULL);
767 zone_path_context->node = node;
769 bind_xml_stats_handle_zone(version, doc, zone_path_context, node, view,
773 xmlXPathFreeObject(zone_nodes);
774 xmlXPathFreeContext(zone_path_context);
776 } /* }}} int bind_xml_stats_search_zones */
778 static int bind_xml_stats_handle_view(int version, xmlDoc *doc, /* {{{ */
779 xmlXPathContext *path_ctx, xmlNode *node,
780 time_t current_time) {
781 char *view_name = NULL;
786 view_name = (char *)xmlGetProp(node, BAD_CAST "name");
788 if (view_name == NULL) {
789 ERROR("bind plugin: Could not determine view name.");
793 for (j = 0; j < views_num; j++) {
794 if (strcasecmp(view_name, views[j].name) == 0)
801 xmlXPathObject *path_obj =
802 xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
803 if (path_obj == NULL) {
804 ERROR("bind plugin: xmlXPathEvalExpression failed.");
808 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
810 view_name = (char *)xmlNodeListGetString(
811 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
812 if (view_name != NULL)
816 if (view_name == NULL) {
817 ERROR("bind plugin: Could not determine view name.");
818 xmlXPathFreeObject(path_obj);
822 for (j = 0; j < views_num; j++) {
823 if (strcasecmp(view_name, views[j].name) == 0)
828 xmlXPathFreeObject(path_obj);
839 DEBUG("bind plugin: bind_xml_stats_handle_view: Found view `%s'.",
842 if (view->qtypes != 0) /* {{{ */
844 char plugin_instance[DATA_MAX_NAME_LEN];
845 list_info_ptr_t list_info = {plugin_instance,
846 /* type = */ "dns_qtype"};
848 snprintf(plugin_instance, sizeof(plugin_instance), "%s-qtypes", view->name);
850 bind_parse_generic_name_attr_value_list(
851 /* xpath = */ "counters[@type='resqtype']",
852 /* callback = */ bind_xml_list_callback,
853 /* user_data = */ &list_info, doc, path_ctx, current_time,
856 bind_parse_generic_name_value(/* xpath = */ "rdtype",
857 /* callback = */ bind_xml_list_callback,
858 /* user_data = */ &list_info, doc, path_ctx,
859 current_time, DS_TYPE_COUNTER);
863 if (view->resolver_stats != 0) /* {{{ */
865 char plugin_instance[DATA_MAX_NAME_LEN];
866 translation_table_ptr_t table_ptr = {resstats_translation_table,
867 resstats_translation_table_length,
870 snprintf(plugin_instance, sizeof(plugin_instance), "%s-resolver_stats",
873 bind_parse_generic_name_attr_value_list(
874 "counters[@type='resstats']",
875 /* callback = */ bind_xml_table_callback,
876 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
879 bind_parse_generic_name_value("resstat",
880 /* callback = */ bind_xml_table_callback,
881 /* user_data = */ &table_ptr, doc, path_ctx,
882 current_time, DS_TYPE_COUNTER);
886 /* Record types in the cache */
887 if (view->cacherrsets != 0) /* {{{ */
889 char plugin_instance[DATA_MAX_NAME_LEN];
890 list_info_ptr_t list_info = {plugin_instance,
891 /* type = */ "dns_qtype_cached"};
893 snprintf(plugin_instance, sizeof(plugin_instance), "%s-cache_rr_sets",
896 bind_parse_generic_name_value(/* xpath = */ "cache/rrset",
897 /* callback = */ bind_xml_list_callback,
898 /* user_data = */ &list_info, doc, path_ctx,
899 current_time, DS_TYPE_GAUGE);
902 if (view->zones_num > 0)
903 bind_xml_stats_search_zones(version, doc, path_ctx, node, view,
907 } /* }}} int bind_xml_stats_handle_view */
909 static int bind_xml_stats_search_views(int version, xmlDoc *doc, /* {{{ */
910 xmlXPathContext *xpathCtx,
912 time_t current_time) {
913 xmlXPathContext *view_path_context = xmlXPathNewContext(doc);
914 if (view_path_context == NULL) {
915 ERROR("bind plugin: xmlXPathNewContext failed.");
919 xmlXPathObject *view_nodes =
920 xmlXPathEvalExpression(BAD_CAST "views/view", xpathCtx);
921 if (view_nodes == NULL) {
922 ERROR("bind plugin: Cannot find any <view> tags.");
923 xmlXPathFreeContext(view_path_context);
927 for (int i = 0; i < view_nodes->nodesetval->nodeNr; i++) {
928 xmlNode *node = view_nodes->nodesetval->nodeTab[i];
929 assert(node != NULL);
931 view_path_context->node = node;
933 bind_xml_stats_handle_view(version, doc, view_path_context, node,
937 xmlXPathFreeObject(view_nodes);
938 xmlXPathFreeContext(view_path_context);
940 } /* }}} int bind_xml_stats_search_views */
942 static void bind_xml_stats_v3(xmlDoc *doc, /* {{{ */
943 xmlXPathContext *xpathCtx, xmlNode *statsnode,
944 time_t current_time) {
945 /* XPath: server/counters[@type='opcode']
946 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
948 * <counters type="opcode">
949 * <counter name="A">1</counter>
953 if (global_opcodes != 0) {
954 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
955 /* type = */ "dns_opcode"};
956 bind_parse_generic_name_attr_value_list(
957 /* xpath = */ "server/counters[@type='opcode']",
958 /* callback = */ bind_xml_list_callback,
959 /* user_data = */ &list_info, doc, xpathCtx, current_time,
963 /* XPath: server/counters[@type='qtype']
964 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
965 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
966 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
968 * <counters type="opcode">
969 * <counter name="A">1</counter>
973 if (global_qtypes != 0) {
974 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
975 /* type = */ "dns_qtype"};
977 bind_parse_generic_name_attr_value_list(
978 /* xpath = */ "server/counters[@type='qtype']",
979 /* callback = */ bind_xml_list_callback,
980 /* user_data = */ &list_info, doc, xpathCtx, current_time,
984 /* XPath: server/counters[@type='nsstat']
985 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
986 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
987 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
988 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
989 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
990 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
991 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
994 * <counters type="nsstat"
995 * <counter name="Requestv4">1</counter>
996 * <counter name="Requestv6">0</counter>
1000 if (global_server_stats) {
1001 translation_table_ptr_t table_ptr = {
1002 nsstats_translation_table, nsstats_translation_table_length,
1003 /* plugin_instance = */ "global-server_stats"};
1005 bind_parse_generic_name_attr_value_list(
1006 "server/counters[@type='nsstat']",
1007 /* callback = */ bind_xml_table_callback,
1008 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1012 /* XPath: server/zonestats, server/zonestat,
1013 * server/counters[@type='zonestat']
1014 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1015 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1016 * XfrSuccess, XfrFail
1018 * <counters type="zonestat"
1019 * <counter name="NotifyOutv4">0</counter>
1020 * <counter name="NotifyOutv6">0</counter>
1024 if (global_zone_maint_stats) {
1025 translation_table_ptr_t table_ptr = {
1026 zonestats_translation_table, zonestats_translation_table_length,
1027 /* plugin_instance = */ "global-zone_maint_stats"};
1029 bind_parse_generic_name_attr_value_list(
1030 "server/counters[@type='zonestat']",
1031 /* callback = */ bind_xml_table_callback,
1032 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1036 /* XPath: server/resstats, server/counters[@type='resstat']
1037 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1038 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1039 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1040 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1042 * <counters type="resstat"
1043 * <counter name="Queryv4">0</counter>
1044 * <counter name="Queryv6">0</counter>
1048 if (global_resolver_stats != 0) {
1049 translation_table_ptr_t table_ptr = {
1050 resstats_translation_table, resstats_translation_table_length,
1051 /* plugin_instance = */ "global-resolver_stats"};
1053 bind_parse_generic_name_attr_value_list(
1054 "server/counters[@type='resstat']",
1055 /* callback = */ bind_xml_table_callback,
1056 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1059 } /* }}} bind_xml_stats_v3 */
1061 static void bind_xml_stats_v1_v2(int version, xmlDoc *doc, /* {{{ */
1062 xmlXPathContext *xpathCtx, xmlNode *statsnode,
1063 time_t current_time) {
1064 /* XPath: server/requests/opcode, server/counters[@type='opcode']
1065 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
1069 * <counter>1</counter>
1073 if (global_opcodes != 0) {
1074 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
1075 /* type = */ "dns_opcode"};
1077 bind_parse_generic_name_value(/* xpath = */ "server/requests/opcode",
1078 /* callback = */ bind_xml_list_callback,
1079 /* user_data = */ &list_info, doc, xpathCtx,
1080 current_time, DS_TYPE_COUNTER);
1083 /* XPath: server/queries-in/rdtype, server/counters[@type='qtype']
1084 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
1085 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
1086 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
1090 * <counter>1</counter>
1094 if (global_qtypes != 0) {
1095 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
1096 /* type = */ "dns_qtype"};
1098 bind_parse_generic_name_value(/* xpath = */ "server/queries-in/rdtype",
1099 /* callback = */ bind_xml_list_callback,
1100 /* user_data = */ &list_info, doc, xpathCtx,
1101 current_time, DS_TYPE_COUNTER);
1104 /* XPath: server/nsstats, server/nsstat, server/counters[@type='nsstat']
1105 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
1106 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
1107 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
1108 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
1109 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
1110 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
1111 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
1115 * <Requestv4>1</Requestv4>
1116 * <Requestv6>0</Requestv6>
1121 * <name>Requestv4</name>
1122 * <counter>1</counter>
1125 * <name>Requestv6</name>
1126 * <counter>0</counter>
1130 if (global_server_stats) {
1131 translation_table_ptr_t table_ptr = {
1132 nsstats_translation_table, nsstats_translation_table_length,
1133 /* plugin_instance = */ "global-server_stats"};
1136 bind_parse_generic_value_list("server/nsstats",
1137 /* callback = */ bind_xml_table_callback,
1138 /* user_data = */ &table_ptr, doc, xpathCtx,
1139 current_time, DS_TYPE_COUNTER);
1141 bind_parse_generic_name_value("server/nsstat",
1142 /* callback = */ bind_xml_table_callback,
1143 /* user_data = */ &table_ptr, doc, xpathCtx,
1144 current_time, DS_TYPE_COUNTER);
1148 /* XPath: server/zonestats, server/zonestat,
1149 * server/counters[@type='zonestat']
1150 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1151 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1152 * XfrSuccess, XfrFail
1155 * <NotifyOutv4>0</NotifyOutv4>
1156 * <NotifyOutv6>0</NotifyOutv6>
1161 * <name>NotifyOutv4</name>
1162 * <counter>0</counter>
1165 * <name>NotifyOutv6</name>
1166 * <counter>0</counter>
1170 if (global_zone_maint_stats) {
1171 translation_table_ptr_t table_ptr = {
1172 zonestats_translation_table, zonestats_translation_table_length,
1173 /* plugin_instance = */ "global-zone_maint_stats"};
1176 bind_parse_generic_value_list("server/zonestats",
1177 /* callback = */ bind_xml_table_callback,
1178 /* user_data = */ &table_ptr, doc, xpathCtx,
1179 current_time, DS_TYPE_COUNTER);
1181 bind_parse_generic_name_value("server/zonestat",
1182 /* callback = */ bind_xml_table_callback,
1183 /* user_data = */ &table_ptr, doc, xpathCtx,
1184 current_time, DS_TYPE_COUNTER);
1188 /* XPath: server/resstats, server/counters[@type='resstat']
1189 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1190 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1191 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1192 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1195 * <Queryv4>0</Queryv4>
1196 * <Queryv6>0</Queryv6>
1201 * <name>Queryv4</name>
1202 * <counter>0</counter>
1205 * <name>Queryv6</name>
1206 * <counter>0</counter>
1210 if (global_resolver_stats != 0) {
1211 translation_table_ptr_t table_ptr = {
1212 resstats_translation_table, resstats_translation_table_length,
1213 /* plugin_instance = */ "global-resolver_stats"};
1216 bind_parse_generic_value_list("server/resstats",
1217 /* callback = */ bind_xml_table_callback,
1218 /* user_data = */ &table_ptr, doc, xpathCtx,
1219 current_time, DS_TYPE_COUNTER);
1221 bind_parse_generic_name_value("server/resstat",
1222 /* callback = */ bind_xml_table_callback,
1223 /* user_data = */ &table_ptr, doc, xpathCtx,
1224 current_time, DS_TYPE_COUNTER);
1227 } /* }}} bind_xml_stats_v1_v2 */
1229 static int bind_xml_stats(int version, xmlDoc *doc, /* {{{ */
1230 xmlXPathContext *xpathCtx, xmlNode *statsnode) {
1231 time_t current_time = 0;
1233 xpathCtx->node = statsnode;
1235 /* TODO: Check `server/boot-time' to recognize server restarts. */
1237 int status = bind_xml_read_timestamp("server/current-time", doc, xpathCtx,
1240 ERROR("bind plugin: Reading `server/current-time' failed.");
1243 DEBUG("bind plugin: Current server time is %i.", (int)current_time);
1246 bind_xml_stats_v3(doc, xpathCtx, statsnode, current_time);
1248 bind_xml_stats_v1_v2(version, doc, xpathCtx, statsnode, current_time);
1251 /* XPath: memory/summary
1252 * Variables: TotalUse, InUse, BlockSize, ContextSize, Lost
1253 * Layout: v2 and v3:
1255 * <TotalUse>6587096</TotalUse>
1256 * <InUse>1345424</InUse>
1257 * <BlockSize>5505024</BlockSize>
1258 * <ContextSize>3732456</ContextSize>
1262 if (global_memory_stats != 0) {
1263 translation_table_ptr_t table_ptr = {
1264 memsummary_translation_table, memsummary_translation_table_length,
1265 /* plugin_instance = */ "global-memory_stats"};
1267 bind_parse_generic_value_list("memory/summary",
1268 /* callback = */ bind_xml_table_callback,
1269 /* user_data = */ &table_ptr, doc, xpathCtx,
1270 current_time, DS_TYPE_GAUGE);
1274 bind_xml_stats_search_views(version, doc, xpathCtx, statsnode,
1278 } /* }}} int bind_xml_stats */
1280 static int bind_xml(const char *data) /* {{{ */
1284 xmlDoc *doc = xmlParseMemory(data, strlen(data));
1286 ERROR("bind plugin: xmlParseMemory failed.");
1290 xmlXPathContext *xpathCtx = xmlXPathNewContext(doc);
1291 if (xpathCtx == NULL) {
1292 ERROR("bind plugin: xmlXPathNewContext failed.");
1298 // version 3.* of statistics XML (since BIND9.9)
1301 xmlXPathObject *xpathObj =
1302 xmlXPathEvalExpression(BAD_CAST "/statistics", xpathCtx);
1303 if (xpathObj == NULL || xpathObj->nodesetval == NULL ||
1304 xpathObj->nodesetval->nodeNr == 0) {
1305 DEBUG("bind plugin: Statistics appears not to be v3");
1306 // we will fallback to v1 or v2 detection
1307 if (xpathObj != NULL) {
1308 xmlXPathFreeObject(xpathObj);
1311 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1315 node = xpathObj->nodesetval->nodeTab[i];
1316 assert(node != NULL);
1318 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1319 if (attr_version == NULL) {
1320 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1321 "`version' attribute.");
1324 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1326 if (strncmp("3.", attr_version, strlen("3.")) != 0) {
1327 /* TODO: Use the complaint mechanism here. */
1328 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1329 "Unfortunately I have no clue how to parse that. "
1330 "Please open a bug report for this.",
1332 xmlFree(attr_version);
1335 ret = bind_xml_stats(3, doc, xpathCtx, node);
1337 xmlFree(attr_version);
1338 /* One <statistics> node ought to be enough. */
1342 // we are finished, early-return
1343 xmlXPathFreeObject(xpathObj);
1344 xmlXPathFreeContext(xpathCtx);
1351 // versions 1.* or 2.* of statistics XML
1354 xpathObj = xmlXPathEvalExpression(BAD_CAST "/isc/bind/statistics", xpathCtx);
1355 if (xpathObj == NULL) {
1356 ERROR("bind plugin: Cannot find the <statistics> tag.");
1357 xmlXPathFreeContext(xpathCtx);
1360 } else if (xpathObj->nodesetval == NULL) {
1361 ERROR("bind plugin: xmlXPathEvalExpression failed.");
1362 xmlXPathFreeObject(xpathObj);
1363 xmlXPathFreeContext(xpathCtx);
1368 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1371 int parsed_version = 0;
1373 node = xpathObj->nodesetval->nodeTab[i];
1374 assert(node != NULL);
1376 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1377 if (attr_version == NULL) {
1378 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1379 "`version' attribute.");
1382 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1384 /* At the time this plugin was written, version "1.0" was used by
1385 * BIND 9.5.0, version "2.0" was used by BIND 9.5.1 and 9.6.0. We assume
1386 * that "1.*" and "2.*" don't introduce structural changes, so we just
1387 * check for the first two characters here. */
1388 if (strncmp("1.", attr_version, strlen("1.")) == 0)
1390 else if (strncmp("2.", attr_version, strlen("2.")) == 0)
1393 /* TODO: Use the complaint mechanism here. */
1394 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1395 "Unfortunately I have no clue how to parse that. "
1396 "Please open a bug report for this.",
1398 xmlFree(attr_version);
1402 ret = bind_xml_stats(parsed_version, doc, xpathCtx, node);
1404 xmlFree(attr_version);
1405 /* One <statistics> node ought to be enough. */
1409 xmlXPathFreeObject(xpathObj);
1410 xmlXPathFreeContext(xpathCtx);
1414 } /* }}} int bind_xml */
1416 static int bind_config_set_bool(const char *name, int *var, /* {{{ */
1417 oconfig_item_t *ci) {
1418 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
1419 WARNING("bind plugin: The `%s' option needs "
1420 "exactly one boolean argument.",
1425 if (ci->values[0].value.boolean)
1430 } /* }}} int bind_config_set_bool */
1432 static int bind_config_add_view_zone(cb_view_t *view, /* {{{ */
1433 oconfig_item_t *ci) {
1434 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1435 WARNING("bind plugin: The `Zone' option needs "
1436 "exactly one string argument.");
1440 char **tmp = realloc(view->zones, sizeof(char *) * (view->zones_num + 1));
1442 ERROR("bind plugin: realloc failed.");
1447 view->zones[view->zones_num] = strdup(ci->values[0].value.string);
1448 if (view->zones[view->zones_num] == NULL) {
1449 ERROR("bind plugin: strdup failed.");
1455 } /* }}} int bind_config_add_view_zone */
1457 static int bind_config_add_view(oconfig_item_t *ci) /* {{{ */
1459 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1460 WARNING("bind plugin: `View' blocks need exactly one string argument.");
1464 cb_view_t *tmp = realloc(views, sizeof(*views) * (views_num + 1));
1466 ERROR("bind plugin: realloc failed.");
1470 tmp = views + views_num;
1472 memset(tmp, 0, sizeof(*tmp));
1474 tmp->resolver_stats = 1;
1475 tmp->cacherrsets = 1;
1479 tmp->name = strdup(ci->values[0].value.string);
1480 if (tmp->name == NULL) {
1481 ERROR("bind plugin: strdup failed.");
1486 for (int i = 0; i < ci->children_num; i++) {
1487 oconfig_item_t *child = ci->children + i;
1489 if (strcasecmp("QTypes", child->key) == 0)
1490 bind_config_set_bool("QTypes", &tmp->qtypes, child);
1491 else if (strcasecmp("ResolverStats", child->key) == 0)
1492 bind_config_set_bool("ResolverStats", &tmp->resolver_stats, child);
1493 else if (strcasecmp("CacheRRSets", child->key) == 0)
1494 bind_config_set_bool("CacheRRSets", &tmp->cacherrsets, child);
1495 else if (strcasecmp("Zone", child->key) == 0)
1496 bind_config_add_view_zone(tmp, child);
1498 WARNING("bind plugin: Unknown configuration option "
1499 "`%s' in view `%s' will be ignored.",
1500 child->key, tmp->name);
1502 } /* for (i = 0; i < ci->children_num; i++) */
1506 } /* }}} int bind_config_add_view */
1508 static int bind_config(oconfig_item_t *ci) /* {{{ */
1510 for (int i = 0; i < ci->children_num; i++) {
1511 oconfig_item_t *child = ci->children + i;
1513 if (strcasecmp("Url", child->key) == 0) {
1514 if ((child->values_num != 1) ||
1515 (child->values[0].type != OCONFIG_TYPE_STRING)) {
1516 WARNING("bind plugin: The `Url' option needs "
1517 "exactly one string argument.");
1522 url = strdup(child->values[0].value.string);
1523 } else if (strcasecmp("OpCodes", child->key) == 0)
1524 bind_config_set_bool("OpCodes", &global_opcodes, child);
1525 else if (strcasecmp("QTypes", child->key) == 0)
1526 bind_config_set_bool("QTypes", &global_qtypes, child);
1527 else if (strcasecmp("ServerStats", child->key) == 0)
1528 bind_config_set_bool("ServerStats", &global_server_stats, child);
1529 else if (strcasecmp("ZoneMaintStats", child->key) == 0)
1530 bind_config_set_bool("ZoneMaintStats", &global_zone_maint_stats, child);
1531 else if (strcasecmp("ResolverStats", child->key) == 0)
1532 bind_config_set_bool("ResolverStats", &global_resolver_stats, child);
1533 else if (strcasecmp("MemoryStats", child->key) == 0)
1534 bind_config_set_bool("MemoryStats", &global_memory_stats, child);
1535 else if (strcasecmp("View", child->key) == 0)
1536 bind_config_add_view(child);
1537 else if (strcasecmp("ParseTime", child->key) == 0)
1538 cf_util_get_boolean(child, &config_parse_time);
1539 else if (strcasecmp("Timeout", child->key) == 0)
1540 cf_util_get_int(child, &timeout);
1542 WARNING("bind plugin: Unknown configuration option "
1543 "`%s' will be ignored.",
1549 } /* }}} int bind_config */
1551 static int bind_init(void) /* {{{ */
1556 curl = curl_easy_init();
1558 ERROR("bind plugin: bind_init: curl_easy_init failed.");
1562 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
1563 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, bind_curl_callback);
1564 curl_easy_setopt(curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
1565 curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, bind_curl_error);
1566 curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
1567 curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 50L);
1568 #ifdef HAVE_CURLOPT_TIMEOUT_MS
1569 curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS,
1572 : (long)CDTIME_T_TO_MS(plugin_get_interval()));
1576 } /* }}} int bind_init */
1578 static int bind_read(void) /* {{{ */
1581 ERROR("bind plugin: I don't have a CURL object.");
1585 bind_buffer_fill = 0;
1587 curl_easy_setopt(curl, CURLOPT_URL, (url != NULL) ? url : BIND_DEFAULT_URL);
1589 if (curl_easy_perform(curl) != CURLE_OK) {
1590 ERROR("bind plugin: curl_easy_perform failed: %s", bind_curl_error);
1594 int status = bind_xml(bind_buffer);
1599 } /* }}} int bind_read */
1601 static int bind_shutdown(void) /* {{{ */
1604 curl_easy_cleanup(curl);
1609 } /* }}} int bind_shutdown */
1611 void module_register(void) {
1612 plugin_register_complex_config("bind", bind_config);
1613 plugin_register_init("bind", bind_init);
1614 plugin_register_read("bind", bind_read);
1615 plugin_register_shutdown("bind", bind_shutdown);
1616 } /* void module_register */