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) {
279 temp = realloc(bind_buffer, bind_buffer_fill + len + 1);
281 ERROR("bind plugin: realloc failed.");
285 bind_buffer_size = bind_buffer_fill + len + 1;
288 memcpy(bind_buffer + bind_buffer_fill, (char *)buf, len);
289 bind_buffer_fill += len;
290 bind_buffer[bind_buffer_fill] = 0;
293 } /* }}} size_t bind_curl_callback */
296 * Callback, that's called with a translation table.
297 * (Plugin instance is fixed, type and type instance come from lookup table.)
299 static int bind_xml_table_callback(const char *name, value_t value, /* {{{ */
300 time_t current_time, void *user_data) {
301 translation_table_ptr_t *table = (translation_table_ptr_t *)user_data;
306 for (size_t i = 0; i < table->table_length; i++) {
307 if (strcmp(table->table[i].xml_name, name) != 0)
310 submit(current_time, table->plugin_instance, table->table[i].type,
311 table->table[i].type_instance, value);
316 } /* }}} int bind_xml_table_callback */
319 * Callback, that's used for lists.
320 * (Plugin instance and type are fixed, xml name is used as type instance.)
322 static int bind_xml_list_callback(const char *name, /* {{{ */
323 value_t value, time_t current_time,
325 list_info_ptr_t *list_info = (list_info_ptr_t *)user_data;
327 if (list_info == NULL)
330 submit(current_time, list_info->plugin_instance, list_info->type,
331 /* type instance = */ name, value);
334 } /* }}} int bind_xml_list_callback */
336 static int bind_xml_read_derive(xmlDoc *doc, xmlNode *node, /* {{{ */
337 derive_t *ret_value) {
342 str_ptr = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
343 if (str_ptr == NULL) {
344 ERROR("bind plugin: bind_xml_read_derive: xmlNodeListGetString failed.");
348 status = parse_value(str_ptr, &value, DS_TYPE_DERIVE);
350 ERROR("bind plugin: Parsing string \"%s\" to derive value failed.",
357 *ret_value = value.derive;
359 } /* }}} int bind_xml_read_derive */
361 static int bind_xml_read_gauge(xmlDoc *doc, xmlNode *node, /* {{{ */
362 gauge_t *ret_value) {
363 char *str_ptr, *end_ptr;
366 str_ptr = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
367 if (str_ptr == NULL) {
368 ERROR("bind plugin: bind_xml_read_gauge: xmlNodeListGetString failed.");
373 value = strtod(str_ptr, &end_ptr);
375 if (str_ptr == end_ptr || errno) {
376 if (errno && (value < 0))
377 ERROR("bind plugin: bind_xml_read_gauge: strtod failed with underflow.");
378 else if (errno && (value > 0))
379 ERROR("bind plugin: bind_xml_read_gauge: strtod failed with overflow.");
381 ERROR("bind plugin: bind_xml_read_gauge: strtod failed.");
385 *ret_value = (gauge_t)value;
387 } /* }}} int bind_xml_read_gauge */
389 static int bind_xml_read_timestamp(const char *xpath_expression, /* {{{ */
390 xmlDoc *doc, xmlXPathContext *xpathCtx,
392 xmlXPathObject *xpathObj = NULL;
398 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
399 if (xpathObj == NULL) {
400 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
405 if ((xpathObj->nodesetval == NULL) || (xpathObj->nodesetval->nodeNr < 1)) {
406 xmlXPathFreeObject(xpathObj);
410 if (xpathObj->nodesetval->nodeNr != 1) {
411 NOTICE("bind plugin: Evaluating the XPath expression `%s' returned "
412 "%i nodes. Only handling the first one.",
413 xpath_expression, xpathObj->nodesetval->nodeNr);
416 node = xpathObj->nodesetval->nodeTab[0];
418 if (node->xmlChildrenNode == NULL) {
419 ERROR("bind plugin: bind_xml_read_timestamp: "
420 "node->xmlChildrenNode == NULL");
421 xmlXPathFreeObject(xpathObj);
425 str_ptr = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
426 if (str_ptr == NULL) {
427 ERROR("bind plugin: bind_xml_read_timestamp: xmlNodeListGetString failed.");
428 xmlXPathFreeObject(xpathObj);
432 tmp = strptime(str_ptr, "%Y-%m-%dT%T", &tm);
435 ERROR("bind plugin: bind_xml_read_timestamp: strptime failed.");
436 xmlXPathFreeObject(xpathObj);
441 time_t t = timegm(&tm);
442 if (t == ((time_t)-1)) {
443 ERROR("bind plugin: timegm() failed: %s", STRERRNO);
448 time_t t = mktime(&tm);
449 if (t == ((time_t)-1)) {
450 ERROR("bind plugin: mktime() failed: %s", STRERRNO);
453 /* mktime assumes that tm is local time. Luckily, it also sets timezone to
454 * the offset used for the conversion, and we undo the conversion to convert
456 *ret_value = t - timezone;
459 xmlXPathFreeObject(xpathObj);
461 } /* }}} int bind_xml_read_timestamp */
464 * bind_parse_generic_name_value
466 * Reads statistics in the form:
469 * <counter>123</counter>
472 static int bind_parse_generic_name_value(const char *xpath_expression, /* {{{ */
473 list_callback_t list_callback,
474 void *user_data, xmlDoc *doc,
475 xmlXPathContext *xpathCtx,
476 time_t current_time, int ds_type) {
477 xmlXPathObject *xpathObj = NULL;
480 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
481 if (xpathObj == NULL) {
482 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
488 /* Iterate over all matching nodes. */
489 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
491 xmlNode *name_node = NULL;
492 xmlNode *counter = NULL;
495 parent = xpathObj->nodesetval->nodeTab[i];
496 DEBUG("bind plugin: bind_parse_generic_name_value: parent->name = %s;",
497 (char *)parent->name);
499 /* Iterate over all child nodes. */
500 for (xmlNode *child = parent->xmlChildrenNode; child != NULL;
501 child = child->next) {
502 if (child->type != XML_ELEMENT_NODE)
505 if (xmlStrcmp(BAD_CAST "name", child->name) == 0)
507 else if (xmlStrcmp(BAD_CAST "counter", child->name) == 0)
511 if ((name_node != NULL) && (counter != NULL)) {
513 (char *)xmlNodeListGetString(doc, name_node->xmlChildrenNode, 1);
517 if (ds_type == DS_TYPE_GAUGE)
518 status = bind_xml_read_gauge(doc, counter, &value.gauge);
520 status = bind_xml_read_derive(doc, counter, &value.derive);
526 status = (*list_callback)(name, value, current_time, user_data);
534 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
535 (num_entries == 1) ? "entry" : "entries", xpath_expression);
537 xmlXPathFreeObject(xpathObj);
540 } /* }}} int bind_parse_generic_name_value */
543 * bind_parse_generic_value_list
545 * Reads statistics in the form:
553 static int bind_parse_generic_value_list(const char *xpath_expression, /* {{{ */
554 list_callback_t list_callback,
555 void *user_data, xmlDoc *doc,
556 xmlXPathContext *xpathCtx,
557 time_t current_time, int ds_type) {
558 xmlXPathObject *xpathObj = NULL;
561 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
562 if (xpathObj == NULL) {
563 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
569 /* Iterate over all matching nodes. */
570 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
572 /* Iterate over all child nodes. */
573 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
574 child != NULL; child = child->next) {
579 if (child->type != XML_ELEMENT_NODE)
582 node_name = (char *)child->name;
584 if (ds_type == DS_TYPE_GAUGE)
585 status = bind_xml_read_gauge(doc, child, &value.gauge);
587 status = bind_xml_read_derive(doc, child, &value.derive);
591 status = (*list_callback)(node_name, value, current_time, user_data);
597 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
598 (num_entries == 1) ? "entry" : "entries", xpath_expression);
600 xmlXPathFreeObject(xpathObj);
603 } /* }}} int bind_parse_generic_value_list */
606 * bind_parse_generic_name_attr_value_list
608 * Reads statistics in the form:
610 * <counter name="name0">123</counter>
611 * <counter name="name1">234</counter>
612 * <counter name="name2">345</counter>
616 static int bind_parse_generic_name_attr_value_list(
617 const char *xpath_expression, /* {{{ */
618 list_callback_t list_callback, void *user_data, xmlDoc *doc,
619 xmlXPathContext *xpathCtx, time_t current_time, int ds_type) {
620 xmlXPathObject *xpathObj = NULL;
623 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
624 if (xpathObj == NULL) {
625 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
631 /* Iterate over all matching nodes. */
632 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
634 /* Iterate over all child nodes. */
635 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
636 child != NULL; child = child->next) {
637 if (child->type != XML_ELEMENT_NODE)
640 if (strncmp("counter", (char *)child->name, strlen("counter")) != 0)
647 attr_name = (char *)xmlGetProp(child, BAD_CAST "name");
648 if (attr_name == NULL) {
649 DEBUG("bind plugin: found <counter> without name.");
652 if (ds_type == DS_TYPE_GAUGE)
653 status = bind_xml_read_gauge(doc, child, &value.gauge);
655 status = bind_xml_read_derive(doc, child, &value.derive);
661 status = (*list_callback)(attr_name, value, current_time, user_data);
669 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
670 (num_entries == 1) ? "entry" : "entries", xpath_expression);
672 xmlXPathFreeObject(xpathObj);
675 } /* }}} int bind_parse_generic_name_attr_value_list */
677 static int bind_xml_stats_handle_zone(int version, xmlDoc *doc, /* {{{ */
678 xmlXPathContext *path_ctx, xmlNode *node,
679 cb_view_t *view, time_t current_time) {
680 xmlXPathObject *path_obj;
681 char *zone_name = NULL;
685 char *n = (char *)xmlGetProp(node, BAD_CAST "name");
686 char *c = (char *)xmlGetProp(node, BAD_CAST "rdataclass");
688 zone_name = (char *)xmlMalloc(strlen(n) + strlen(c) + 2);
689 snprintf(zone_name, strlen(n) + strlen(c) + 2, "%s/%s", n, c);
694 path_obj = xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
695 if (path_obj == NULL) {
696 ERROR("bind plugin: xmlXPathEvalExpression failed.");
700 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
702 zone_name = (char *)xmlNodeListGetString(
703 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
704 if (zone_name != NULL)
707 xmlXPathFreeObject(path_obj);
710 if (zone_name == NULL) {
711 ERROR("bind plugin: Could not determine zone name.");
715 for (j = 0; j < view->zones_num; j++) {
716 if (strcasecmp(zone_name, view->zones[j]) == 0)
723 if (j >= view->zones_num)
726 zone_name = view->zones[j];
728 DEBUG("bind plugin: bind_xml_stats_handle_zone: Found zone `%s'.", zone_name);
730 { /* Parse the <counters> tag {{{ */
731 char plugin_instance[DATA_MAX_NAME_LEN];
732 translation_table_ptr_t table_ptr = {nsstats_translation_table,
733 nsstats_translation_table_length,
736 snprintf(plugin_instance, sizeof(plugin_instance), "%s-zone-%s", view->name,
740 list_info_ptr_t list_info = {plugin_instance,
741 /* type = */ "dns_qtype"};
742 bind_parse_generic_name_attr_value_list(
743 /* xpath = */ "counters[@type='rcode']",
744 /* callback = */ bind_xml_table_callback,
745 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
747 bind_parse_generic_name_attr_value_list(
748 /* xpath = */ "counters[@type='qtype']",
749 /* callback = */ bind_xml_list_callback,
750 /* user_data = */ &list_info, doc, path_ctx, current_time,
753 bind_parse_generic_value_list(/* xpath = */ "counters",
754 /* callback = */ bind_xml_table_callback,
755 /* user_data = */ &table_ptr, doc, path_ctx,
756 current_time, DS_TYPE_COUNTER);
761 } /* }}} int bind_xml_stats_handle_zone */
763 static int bind_xml_stats_search_zones(int version, xmlDoc *doc, /* {{{ */
764 xmlXPathContext *path_ctx, xmlNode *node,
765 cb_view_t *view, time_t current_time) {
766 xmlXPathObject *zone_nodes = NULL;
767 xmlXPathContext *zone_path_context;
769 zone_path_context = xmlXPathNewContext(doc);
770 if (zone_path_context == NULL) {
771 ERROR("bind plugin: xmlXPathNewContext failed.");
775 zone_nodes = xmlXPathEvalExpression(BAD_CAST "zones/zone", path_ctx);
776 if (zone_nodes == NULL) {
777 ERROR("bind plugin: Cannot find any <view> tags.");
778 xmlXPathFreeContext(zone_path_context);
782 for (int i = 0; i < zone_nodes->nodesetval->nodeNr; i++) {
783 node = zone_nodes->nodesetval->nodeTab[i];
784 assert(node != NULL);
786 zone_path_context->node = node;
788 bind_xml_stats_handle_zone(version, doc, zone_path_context, node, view,
792 xmlXPathFreeObject(zone_nodes);
793 xmlXPathFreeContext(zone_path_context);
795 } /* }}} int bind_xml_stats_search_zones */
797 static int bind_xml_stats_handle_view(int version, xmlDoc *doc, /* {{{ */
798 xmlXPathContext *path_ctx, xmlNode *node,
799 time_t current_time) {
800 char *view_name = NULL;
805 view_name = (char *)xmlGetProp(node, BAD_CAST "name");
807 if (view_name == NULL) {
808 ERROR("bind plugin: Could not determine view name.");
812 for (j = 0; j < views_num; j++) {
813 if (strcasecmp(view_name, views[j].name) == 0)
820 xmlXPathObject *path_obj;
821 path_obj = xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
822 if (path_obj == NULL) {
823 ERROR("bind plugin: xmlXPathEvalExpression failed.");
827 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
829 view_name = (char *)xmlNodeListGetString(
830 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
831 if (view_name != NULL)
835 if (view_name == NULL) {
836 ERROR("bind plugin: Could not determine view name.");
837 xmlXPathFreeObject(path_obj);
841 for (j = 0; j < views_num; j++) {
842 if (strcasecmp(view_name, views[j].name) == 0)
847 xmlXPathFreeObject(path_obj);
858 DEBUG("bind plugin: bind_xml_stats_handle_view: Found view `%s'.",
861 if (view->qtypes != 0) /* {{{ */
863 char plugin_instance[DATA_MAX_NAME_LEN];
864 list_info_ptr_t list_info = {plugin_instance,
865 /* type = */ "dns_qtype"};
867 snprintf(plugin_instance, sizeof(plugin_instance), "%s-qtypes", view->name);
869 bind_parse_generic_name_attr_value_list(
870 /* xpath = */ "counters[@type='resqtype']",
871 /* callback = */ bind_xml_list_callback,
872 /* user_data = */ &list_info, doc, path_ctx, current_time,
875 bind_parse_generic_name_value(/* xpath = */ "rdtype",
876 /* callback = */ bind_xml_list_callback,
877 /* user_data = */ &list_info, doc, path_ctx,
878 current_time, DS_TYPE_COUNTER);
882 if (view->resolver_stats != 0) /* {{{ */
884 char plugin_instance[DATA_MAX_NAME_LEN];
885 translation_table_ptr_t table_ptr = {resstats_translation_table,
886 resstats_translation_table_length,
889 snprintf(plugin_instance, sizeof(plugin_instance), "%s-resolver_stats",
892 bind_parse_generic_name_attr_value_list(
893 "counters[@type='resstats']",
894 /* callback = */ bind_xml_table_callback,
895 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
898 bind_parse_generic_name_value("resstat",
899 /* callback = */ bind_xml_table_callback,
900 /* user_data = */ &table_ptr, doc, path_ctx,
901 current_time, DS_TYPE_COUNTER);
905 /* Record types in the cache */
906 if (view->cacherrsets != 0) /* {{{ */
908 char plugin_instance[DATA_MAX_NAME_LEN];
909 list_info_ptr_t list_info = {plugin_instance,
910 /* type = */ "dns_qtype_cached"};
912 snprintf(plugin_instance, sizeof(plugin_instance), "%s-cache_rr_sets",
915 bind_parse_generic_name_value(/* xpath = */ "cache/rrset",
916 /* callback = */ bind_xml_list_callback,
917 /* user_data = */ &list_info, doc, path_ctx,
918 current_time, DS_TYPE_GAUGE);
921 if (view->zones_num > 0)
922 bind_xml_stats_search_zones(version, doc, path_ctx, node, view,
926 } /* }}} int bind_xml_stats_handle_view */
928 static int bind_xml_stats_search_views(int version, xmlDoc *doc, /* {{{ */
929 xmlXPathContext *xpathCtx,
931 time_t current_time) {
932 xmlXPathObject *view_nodes = NULL;
933 xmlXPathContext *view_path_context;
935 view_path_context = xmlXPathNewContext(doc);
936 if (view_path_context == NULL) {
937 ERROR("bind plugin: xmlXPathNewContext failed.");
941 view_nodes = xmlXPathEvalExpression(BAD_CAST "views/view", xpathCtx);
942 if (view_nodes == NULL) {
943 ERROR("bind plugin: Cannot find any <view> tags.");
944 xmlXPathFreeContext(view_path_context);
948 for (int i = 0; i < view_nodes->nodesetval->nodeNr; i++) {
951 node = view_nodes->nodesetval->nodeTab[i];
952 assert(node != NULL);
954 view_path_context->node = node;
956 bind_xml_stats_handle_view(version, doc, view_path_context, node,
960 xmlXPathFreeObject(view_nodes);
961 xmlXPathFreeContext(view_path_context);
963 } /* }}} int bind_xml_stats_search_views */
965 static void bind_xml_stats_v3(xmlDoc *doc, /* {{{ */
966 xmlXPathContext *xpathCtx, xmlNode *statsnode,
967 time_t current_time) {
968 /* XPath: server/counters[@type='opcode']
969 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
971 * <counters type="opcode">
972 * <counter name="A">1</counter>
976 if (global_opcodes != 0) {
977 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
978 /* type = */ "dns_opcode"};
979 bind_parse_generic_name_attr_value_list(
980 /* xpath = */ "server/counters[@type='opcode']",
981 /* callback = */ bind_xml_list_callback,
982 /* user_data = */ &list_info, doc, xpathCtx, current_time,
986 /* XPath: server/counters[@type='qtype']
987 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
988 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
989 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
991 * <counters type="opcode">
992 * <counter name="A">1</counter>
996 if (global_qtypes != 0) {
997 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
998 /* type = */ "dns_qtype"};
1000 bind_parse_generic_name_attr_value_list(
1001 /* xpath = */ "server/counters[@type='qtype']",
1002 /* callback = */ bind_xml_list_callback,
1003 /* user_data = */ &list_info, doc, xpathCtx, current_time,
1007 /* XPath: server/counters[@type='nsstat']
1008 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
1009 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
1010 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
1011 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
1012 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
1013 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
1014 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
1017 * <counters type="nsstat"
1018 * <counter name="Requestv4">1</counter>
1019 * <counter name="Requestv6">0</counter>
1023 if (global_server_stats) {
1024 translation_table_ptr_t table_ptr = {
1025 nsstats_translation_table, nsstats_translation_table_length,
1026 /* plugin_instance = */ "global-server_stats"};
1028 bind_parse_generic_name_attr_value_list(
1029 "server/counters[@type='nsstat']",
1030 /* callback = */ bind_xml_table_callback,
1031 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1035 /* XPath: server/zonestats, server/zonestat,
1036 * server/counters[@type='zonestat']
1037 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1038 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1039 * XfrSuccess, XfrFail
1041 * <counters type="zonestat"
1042 * <counter name="NotifyOutv4">0</counter>
1043 * <counter name="NotifyOutv6">0</counter>
1047 if (global_zone_maint_stats) {
1048 translation_table_ptr_t table_ptr = {
1049 zonestats_translation_table, zonestats_translation_table_length,
1050 /* plugin_instance = */ "global-zone_maint_stats"};
1052 bind_parse_generic_name_attr_value_list(
1053 "server/counters[@type='zonestat']",
1054 /* callback = */ bind_xml_table_callback,
1055 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1059 /* XPath: server/resstats, server/counters[@type='resstat']
1060 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1061 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1062 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1063 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1065 * <counters type="resstat"
1066 * <counter name="Queryv4">0</counter>
1067 * <counter name="Queryv6">0</counter>
1071 if (global_resolver_stats != 0) {
1072 translation_table_ptr_t table_ptr = {
1073 resstats_translation_table, resstats_translation_table_length,
1074 /* plugin_instance = */ "global-resolver_stats"};
1076 bind_parse_generic_name_attr_value_list(
1077 "server/counters[@type='resstat']",
1078 /* callback = */ bind_xml_table_callback,
1079 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1082 } /* }}} bind_xml_stats_v3 */
1084 static void bind_xml_stats_v1_v2(int version, xmlDoc *doc, /* {{{ */
1085 xmlXPathContext *xpathCtx, xmlNode *statsnode,
1086 time_t current_time) {
1087 /* XPath: server/requests/opcode, server/counters[@type='opcode']
1088 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
1092 * <counter>1</counter>
1096 if (global_opcodes != 0) {
1097 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
1098 /* type = */ "dns_opcode"};
1100 bind_parse_generic_name_value(/* xpath = */ "server/requests/opcode",
1101 /* callback = */ bind_xml_list_callback,
1102 /* user_data = */ &list_info, doc, xpathCtx,
1103 current_time, DS_TYPE_COUNTER);
1106 /* XPath: server/queries-in/rdtype, server/counters[@type='qtype']
1107 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
1108 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
1109 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
1113 * <counter>1</counter>
1117 if (global_qtypes != 0) {
1118 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
1119 /* type = */ "dns_qtype"};
1121 bind_parse_generic_name_value(/* xpath = */ "server/queries-in/rdtype",
1122 /* callback = */ bind_xml_list_callback,
1123 /* user_data = */ &list_info, doc, xpathCtx,
1124 current_time, DS_TYPE_COUNTER);
1127 /* XPath: server/nsstats, server/nsstat, server/counters[@type='nsstat']
1128 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
1129 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
1130 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
1131 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
1132 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
1133 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
1134 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
1138 * <Requestv4>1</Requestv4>
1139 * <Requestv6>0</Requestv6>
1144 * <name>Requestv4</name>
1145 * <counter>1</counter>
1148 * <name>Requestv6</name>
1149 * <counter>0</counter>
1153 if (global_server_stats) {
1154 translation_table_ptr_t table_ptr = {
1155 nsstats_translation_table, nsstats_translation_table_length,
1156 /* plugin_instance = */ "global-server_stats"};
1159 bind_parse_generic_value_list("server/nsstats",
1160 /* callback = */ bind_xml_table_callback,
1161 /* user_data = */ &table_ptr, doc, xpathCtx,
1162 current_time, DS_TYPE_COUNTER);
1164 bind_parse_generic_name_value("server/nsstat",
1165 /* callback = */ bind_xml_table_callback,
1166 /* user_data = */ &table_ptr, doc, xpathCtx,
1167 current_time, DS_TYPE_COUNTER);
1171 /* XPath: server/zonestats, server/zonestat,
1172 * server/counters[@type='zonestat']
1173 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1174 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1175 * XfrSuccess, XfrFail
1178 * <NotifyOutv4>0</NotifyOutv4>
1179 * <NotifyOutv6>0</NotifyOutv6>
1184 * <name>NotifyOutv4</name>
1185 * <counter>0</counter>
1188 * <name>NotifyOutv6</name>
1189 * <counter>0</counter>
1193 if (global_zone_maint_stats) {
1194 translation_table_ptr_t table_ptr = {
1195 zonestats_translation_table, zonestats_translation_table_length,
1196 /* plugin_instance = */ "global-zone_maint_stats"};
1199 bind_parse_generic_value_list("server/zonestats",
1200 /* callback = */ bind_xml_table_callback,
1201 /* user_data = */ &table_ptr, doc, xpathCtx,
1202 current_time, DS_TYPE_COUNTER);
1204 bind_parse_generic_name_value("server/zonestat",
1205 /* callback = */ bind_xml_table_callback,
1206 /* user_data = */ &table_ptr, doc, xpathCtx,
1207 current_time, DS_TYPE_COUNTER);
1211 /* XPath: server/resstats, server/counters[@type='resstat']
1212 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1213 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1214 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1215 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1218 * <Queryv4>0</Queryv4>
1219 * <Queryv6>0</Queryv6>
1224 * <name>Queryv4</name>
1225 * <counter>0</counter>
1228 * <name>Queryv6</name>
1229 * <counter>0</counter>
1233 if (global_resolver_stats != 0) {
1234 translation_table_ptr_t table_ptr = {
1235 resstats_translation_table, resstats_translation_table_length,
1236 /* plugin_instance = */ "global-resolver_stats"};
1239 bind_parse_generic_value_list("server/resstats",
1240 /* callback = */ bind_xml_table_callback,
1241 /* user_data = */ &table_ptr, doc, xpathCtx,
1242 current_time, DS_TYPE_COUNTER);
1244 bind_parse_generic_name_value("server/resstat",
1245 /* callback = */ bind_xml_table_callback,
1246 /* user_data = */ &table_ptr, doc, xpathCtx,
1247 current_time, DS_TYPE_COUNTER);
1250 } /* }}} bind_xml_stats_v1_v2 */
1252 static int bind_xml_stats(int version, xmlDoc *doc, /* {{{ */
1253 xmlXPathContext *xpathCtx, xmlNode *statsnode) {
1254 time_t current_time = 0;
1257 xpathCtx->node = statsnode;
1259 /* TODO: Check `server/boot-time' to recognize server restarts. */
1261 status = bind_xml_read_timestamp("server/current-time", doc, xpathCtx,
1264 ERROR("bind plugin: Reading `server/current-time' failed.");
1267 DEBUG("bind plugin: Current server time is %i.", (int)current_time);
1270 bind_xml_stats_v3(doc, xpathCtx, statsnode, current_time);
1272 bind_xml_stats_v1_v2(version, doc, xpathCtx, statsnode, current_time);
1275 /* XPath: memory/summary
1276 * Variables: TotalUse, InUse, BlockSize, ContextSize, Lost
1277 * Layout: v2 and v3:
1279 * <TotalUse>6587096</TotalUse>
1280 * <InUse>1345424</InUse>
1281 * <BlockSize>5505024</BlockSize>
1282 * <ContextSize>3732456</ContextSize>
1286 if (global_memory_stats != 0) {
1287 translation_table_ptr_t table_ptr = {
1288 memsummary_translation_table, memsummary_translation_table_length,
1289 /* plugin_instance = */ "global-memory_stats"};
1291 bind_parse_generic_value_list("memory/summary",
1292 /* callback = */ bind_xml_table_callback,
1293 /* user_data = */ &table_ptr, doc, xpathCtx,
1294 current_time, DS_TYPE_GAUGE);
1298 bind_xml_stats_search_views(version, doc, xpathCtx, statsnode,
1302 } /* }}} int bind_xml_stats */
1304 static int bind_xml(const char *data) /* {{{ */
1307 xmlXPathContext *xpathCtx = NULL;
1308 xmlXPathObject *xpathObj = NULL;
1311 doc = xmlParseMemory(data, strlen(data));
1313 ERROR("bind plugin: xmlParseMemory failed.");
1317 xpathCtx = xmlXPathNewContext(doc);
1318 if (xpathCtx == NULL) {
1319 ERROR("bind plugin: xmlXPathNewContext failed.");
1325 // version 3.* of statistics XML (since BIND9.9)
1328 xpathObj = xmlXPathEvalExpression(BAD_CAST "/statistics", xpathCtx);
1329 if (xpathObj == NULL || xpathObj->nodesetval == NULL ||
1330 xpathObj->nodesetval->nodeNr == 0) {
1331 DEBUG("bind plugin: Statistics appears not to be v3");
1332 // we will fallback to v1 or v2 detection
1333 if (xpathObj != NULL) {
1334 xmlXPathFreeObject(xpathObj);
1337 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1341 node = xpathObj->nodesetval->nodeTab[i];
1342 assert(node != NULL);
1344 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1345 if (attr_version == NULL) {
1346 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1347 "`version' attribute.");
1350 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1352 if (strncmp("3.", attr_version, strlen("3.")) != 0) {
1353 /* TODO: Use the complaint mechanism here. */
1354 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1355 "Unfortunately I have no clue how to parse that. "
1356 "Please open a bug report for this.",
1358 xmlFree(attr_version);
1361 ret = bind_xml_stats(3, doc, xpathCtx, node);
1363 xmlFree(attr_version);
1364 /* One <statistics> node ought to be enough. */
1368 // we are finished, early-return
1369 xmlXPathFreeObject(xpathObj);
1370 xmlXPathFreeContext(xpathCtx);
1377 // versions 1.* or 2.* of statistics XML
1380 xpathObj = xmlXPathEvalExpression(BAD_CAST "/isc/bind/statistics", xpathCtx);
1381 if (xpathObj == NULL) {
1382 ERROR("bind plugin: Cannot find the <statistics> tag.");
1383 xmlXPathFreeContext(xpathCtx);
1386 } else if (xpathObj->nodesetval == NULL) {
1387 ERROR("bind plugin: xmlXPathEvalExpression failed.");
1388 xmlXPathFreeObject(xpathObj);
1389 xmlXPathFreeContext(xpathCtx);
1394 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1397 int parsed_version = 0;
1399 node = xpathObj->nodesetval->nodeTab[i];
1400 assert(node != NULL);
1402 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1403 if (attr_version == NULL) {
1404 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1405 "`version' attribute.");
1408 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1410 /* At the time this plugin was written, version "1.0" was used by
1411 * BIND 9.5.0, version "2.0" was used by BIND 9.5.1 and 9.6.0. We assume
1412 * that "1.*" and "2.*" don't introduce structural changes, so we just
1413 * check for the first two characters here. */
1414 if (strncmp("1.", attr_version, strlen("1.")) == 0)
1416 else if (strncmp("2.", attr_version, strlen("2.")) == 0)
1419 /* TODO: Use the complaint mechanism here. */
1420 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1421 "Unfortunately I have no clue how to parse that. "
1422 "Please open a bug report for this.",
1424 xmlFree(attr_version);
1428 ret = bind_xml_stats(parsed_version, doc, xpathCtx, node);
1430 xmlFree(attr_version);
1431 /* One <statistics> node ought to be enough. */
1435 xmlXPathFreeObject(xpathObj);
1436 xmlXPathFreeContext(xpathCtx);
1440 } /* }}} int bind_xml */
1442 static int bind_config_set_bool(const char *name, int *var, /* {{{ */
1443 oconfig_item_t *ci) {
1444 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
1445 WARNING("bind plugin: The `%s' option needs "
1446 "exactly one boolean argument.",
1451 if (ci->values[0].value.boolean)
1456 } /* }}} int bind_config_set_bool */
1458 static int bind_config_add_view_zone(cb_view_t *view, /* {{{ */
1459 oconfig_item_t *ci) {
1462 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1463 WARNING("bind plugin: The `Zone' option needs "
1464 "exactly one string argument.");
1468 tmp = realloc(view->zones, sizeof(char *) * (view->zones_num + 1));
1470 ERROR("bind plugin: realloc failed.");
1475 view->zones[view->zones_num] = strdup(ci->values[0].value.string);
1476 if (view->zones[view->zones_num] == NULL) {
1477 ERROR("bind plugin: strdup failed.");
1483 } /* }}} int bind_config_add_view_zone */
1485 static int bind_config_add_view(oconfig_item_t *ci) /* {{{ */
1489 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1490 WARNING("bind plugin: `View' blocks need exactly one string argument.");
1494 tmp = realloc(views, sizeof(*views) * (views_num + 1));
1496 ERROR("bind plugin: realloc failed.");
1500 tmp = views + views_num;
1502 memset(tmp, 0, sizeof(*tmp));
1504 tmp->resolver_stats = 1;
1505 tmp->cacherrsets = 1;
1509 tmp->name = strdup(ci->values[0].value.string);
1510 if (tmp->name == NULL) {
1511 ERROR("bind plugin: strdup failed.");
1516 for (int i = 0; i < ci->children_num; i++) {
1517 oconfig_item_t *child = ci->children + i;
1519 if (strcasecmp("QTypes", child->key) == 0)
1520 bind_config_set_bool("QTypes", &tmp->qtypes, child);
1521 else if (strcasecmp("ResolverStats", child->key) == 0)
1522 bind_config_set_bool("ResolverStats", &tmp->resolver_stats, child);
1523 else if (strcasecmp("CacheRRSets", child->key) == 0)
1524 bind_config_set_bool("CacheRRSets", &tmp->cacherrsets, child);
1525 else if (strcasecmp("Zone", child->key) == 0)
1526 bind_config_add_view_zone(tmp, child);
1528 WARNING("bind plugin: Unknown configuration option "
1529 "`%s' in view `%s' will be ignored.",
1530 child->key, tmp->name);
1532 } /* for (i = 0; i < ci->children_num; i++) */
1536 } /* }}} int bind_config_add_view */
1538 static int bind_config(oconfig_item_t *ci) /* {{{ */
1540 for (int i = 0; i < ci->children_num; i++) {
1541 oconfig_item_t *child = ci->children + i;
1543 if (strcasecmp("Url", child->key) == 0) {
1544 if ((child->values_num != 1) ||
1545 (child->values[0].type != OCONFIG_TYPE_STRING)) {
1546 WARNING("bind plugin: The `Url' option needs "
1547 "exactly one string argument.");
1552 url = strdup(child->values[0].value.string);
1553 } else if (strcasecmp("OpCodes", child->key) == 0)
1554 bind_config_set_bool("OpCodes", &global_opcodes, child);
1555 else if (strcasecmp("QTypes", child->key) == 0)
1556 bind_config_set_bool("QTypes", &global_qtypes, child);
1557 else if (strcasecmp("ServerStats", child->key) == 0)
1558 bind_config_set_bool("ServerStats", &global_server_stats, child);
1559 else if (strcasecmp("ZoneMaintStats", child->key) == 0)
1560 bind_config_set_bool("ZoneMaintStats", &global_zone_maint_stats, child);
1561 else if (strcasecmp("ResolverStats", child->key) == 0)
1562 bind_config_set_bool("ResolverStats", &global_resolver_stats, child);
1563 else if (strcasecmp("MemoryStats", child->key) == 0)
1564 bind_config_set_bool("MemoryStats", &global_memory_stats, child);
1565 else if (strcasecmp("View", child->key) == 0)
1566 bind_config_add_view(child);
1567 else if (strcasecmp("ParseTime", child->key) == 0)
1568 cf_util_get_boolean(child, &config_parse_time);
1569 else if (strcasecmp("Timeout", child->key) == 0)
1570 cf_util_get_int(child, &timeout);
1572 WARNING("bind plugin: Unknown configuration option "
1573 "`%s' will be ignored.",
1579 } /* }}} int bind_config */
1581 static int bind_init(void) /* {{{ */
1586 curl = curl_easy_init();
1588 ERROR("bind plugin: bind_init: curl_easy_init failed.");
1592 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
1593 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, bind_curl_callback);
1594 curl_easy_setopt(curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
1595 curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, bind_curl_error);
1596 curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
1597 curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 50L);
1598 #ifdef HAVE_CURLOPT_TIMEOUT_MS
1599 curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS,
1600 (timeout >= 0) ? (long)timeout : (long)CDTIME_T_TO_MS(
1601 plugin_get_interval()));
1605 } /* }}} int bind_init */
1607 static int bind_read(void) /* {{{ */
1612 ERROR("bind plugin: I don't have a CURL object.");
1616 bind_buffer_fill = 0;
1618 curl_easy_setopt(curl, CURLOPT_URL, (url != NULL) ? url : BIND_DEFAULT_URL);
1620 if (curl_easy_perform(curl) != CURLE_OK) {
1621 ERROR("bind plugin: curl_easy_perform failed: %s", bind_curl_error);
1625 status = bind_xml(bind_buffer);
1630 } /* }}} int bind_read */
1632 static int bind_shutdown(void) /* {{{ */
1635 curl_easy_cleanup(curl);
1640 } /* }}} int bind_shutdown */
1642 void module_register(void) {
1643 plugin_register_complex_config("bind", bind_config);
1644 plugin_register_init("bind", bind_init);
1645 plugin_register_read("bind", bind_read);
1646 plugin_register_shutdown("bind", bind_shutdown);
1647 } /* void module_register */