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)) {
444 ERROR("bind plugin: timegm() failed: %s",
445 sstrerror(errno, errbuf, sizeof(errbuf)));
450 time_t t = mktime(&tm);
451 if (t == ((time_t)-1)) {
453 ERROR("bind plugin: mktime() failed: %s",
454 sstrerror(errno, errbuf, sizeof(errbuf)));
457 /* mktime assumes that tm is local time. Luckily, it also sets timezone to
458 * the offset used for the conversion, and we undo the conversion to convert
460 *ret_value = t - timezone;
463 xmlXPathFreeObject(xpathObj);
465 } /* }}} int bind_xml_read_timestamp */
468 * bind_parse_generic_name_value
470 * Reads statistics in the form:
473 * <counter>123</counter>
476 static int bind_parse_generic_name_value(const char *xpath_expression, /* {{{ */
477 list_callback_t list_callback,
478 void *user_data, xmlDoc *doc,
479 xmlXPathContext *xpathCtx,
480 time_t current_time, int ds_type) {
481 xmlXPathObject *xpathObj = NULL;
484 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
485 if (xpathObj == NULL) {
486 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
492 /* Iterate over all matching nodes. */
493 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
495 xmlNode *name_node = NULL;
496 xmlNode *counter = NULL;
499 parent = xpathObj->nodesetval->nodeTab[i];
500 DEBUG("bind plugin: bind_parse_generic_name_value: parent->name = %s;",
501 (char *)parent->name);
503 /* Iterate over all child nodes. */
504 for (xmlNode *child = parent->xmlChildrenNode; child != NULL;
505 child = child->next) {
506 if (child->type != XML_ELEMENT_NODE)
509 if (xmlStrcmp(BAD_CAST "name", child->name) == 0)
511 else if (xmlStrcmp(BAD_CAST "counter", child->name) == 0)
515 if ((name_node != NULL) && (counter != NULL)) {
517 (char *)xmlNodeListGetString(doc, name_node->xmlChildrenNode, 1);
521 if (ds_type == DS_TYPE_GAUGE)
522 status = bind_xml_read_gauge(doc, counter, &value.gauge);
524 status = bind_xml_read_derive(doc, counter, &value.derive);
528 status = (*list_callback)(name, value, current_time, user_data);
536 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
537 (num_entries == 1) ? "entry" : "entries", xpath_expression);
539 xmlXPathFreeObject(xpathObj);
542 } /* }}} int bind_parse_generic_name_value */
545 * bind_parse_generic_value_list
547 * Reads statistics in the form:
555 static int bind_parse_generic_value_list(const char *xpath_expression, /* {{{ */
556 list_callback_t list_callback,
557 void *user_data, xmlDoc *doc,
558 xmlXPathContext *xpathCtx,
559 time_t current_time, int ds_type) {
560 xmlXPathObject *xpathObj = NULL;
563 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
564 if (xpathObj == NULL) {
565 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
571 /* Iterate over all matching nodes. */
572 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
574 /* Iterate over all child nodes. */
575 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
576 child != NULL; child = child->next) {
581 if (child->type != XML_ELEMENT_NODE)
584 node_name = (char *)child->name;
586 if (ds_type == DS_TYPE_GAUGE)
587 status = bind_xml_read_gauge(doc, child, &value.gauge);
589 status = bind_xml_read_derive(doc, child, &value.derive);
593 status = (*list_callback)(node_name, value, current_time, user_data);
599 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
600 (num_entries == 1) ? "entry" : "entries", xpath_expression);
602 xmlXPathFreeObject(xpathObj);
605 } /* }}} int bind_parse_generic_value_list */
608 * bind_parse_generic_name_attr_value_list
610 * Reads statistics in the form:
612 * <counter name="name0">123</counter>
613 * <counter name="name1">234</counter>
614 * <counter name="name2">345</counter>
618 static int bind_parse_generic_name_attr_value_list(
619 const char *xpath_expression, /* {{{ */
620 list_callback_t list_callback, void *user_data, xmlDoc *doc,
621 xmlXPathContext *xpathCtx, time_t current_time, int ds_type) {
622 xmlXPathObject *xpathObj = NULL;
625 xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
626 if (xpathObj == NULL) {
627 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
633 /* Iterate over all matching nodes. */
634 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
636 /* Iterate over all child nodes. */
637 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
638 child != NULL; child = child->next) {
639 if (child->type != XML_ELEMENT_NODE)
642 if (strncmp("counter", (char *)child->name, strlen("counter")) != 0)
649 attr_name = (char *)xmlGetProp(child, BAD_CAST "name");
650 if (attr_name == NULL) {
651 DEBUG("bind plugin: found <counter> without name.");
654 if (ds_type == DS_TYPE_GAUGE)
655 status = bind_xml_read_gauge(doc, child, &value.gauge);
657 status = bind_xml_read_derive(doc, child, &value.derive);
661 status = (*list_callback)(attr_name, value, current_time, user_data);
667 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
668 (num_entries == 1) ? "entry" : "entries", xpath_expression);
670 xmlXPathFreeObject(xpathObj);
673 } /* }}} int bind_parse_generic_name_attr_value_list */
675 static int bind_xml_stats_handle_zone(int version, xmlDoc *doc, /* {{{ */
676 xmlXPathContext *path_ctx, xmlNode *node,
677 cb_view_t *view, time_t current_time) {
678 xmlXPathObject *path_obj;
679 char *zone_name = NULL;
683 char *n = (char *)xmlGetProp(node, BAD_CAST "name");
684 char *c = (char *)xmlGetProp(node, BAD_CAST "rdataclass");
686 zone_name = (char *)xmlMalloc(strlen(n) + strlen(c) + 2);
687 snprintf(zone_name, strlen(n) + strlen(c) + 2, "%s/%s", n, c);
692 path_obj = xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
693 if (path_obj == NULL) {
694 ERROR("bind plugin: xmlXPathEvalExpression failed.");
698 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
700 zone_name = (char *)xmlNodeListGetString(
701 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
702 if (zone_name != NULL)
705 xmlXPathFreeObject(path_obj);
708 if (zone_name == NULL) {
709 ERROR("bind plugin: Could not determine zone name.");
713 for (j = 0; j < view->zones_num; j++) {
714 if (strcasecmp(zone_name, view->zones[j]) == 0)
721 if (j >= view->zones_num)
724 zone_name = view->zones[j];
726 DEBUG("bind plugin: bind_xml_stats_handle_zone: Found zone `%s'.", zone_name);
728 { /* Parse the <counters> tag {{{ */
729 char plugin_instance[DATA_MAX_NAME_LEN];
730 translation_table_ptr_t table_ptr = {nsstats_translation_table,
731 nsstats_translation_table_length,
734 ssnprintf(plugin_instance, sizeof(plugin_instance), "%s-zone-%s",
735 view->name, zone_name);
738 list_info_ptr_t list_info = {plugin_instance,
739 /* type = */ "dns_qtype"};
740 bind_parse_generic_name_attr_value_list(
741 /* xpath = */ "counters[@type='rcode']",
742 /* callback = */ bind_xml_table_callback,
743 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
745 bind_parse_generic_name_attr_value_list(
746 /* xpath = */ "counters[@type='qtype']",
747 /* callback = */ bind_xml_list_callback,
748 /* user_data = */ &list_info, doc, path_ctx, current_time,
751 bind_parse_generic_value_list(/* xpath = */ "counters",
752 /* callback = */ bind_xml_table_callback,
753 /* user_data = */ &table_ptr, doc, path_ctx,
754 current_time, DS_TYPE_COUNTER);
759 } /* }}} int bind_xml_stats_handle_zone */
761 static int bind_xml_stats_search_zones(int version, xmlDoc *doc, /* {{{ */
762 xmlXPathContext *path_ctx, xmlNode *node,
763 cb_view_t *view, time_t current_time) {
764 xmlXPathObject *zone_nodes = NULL;
765 xmlXPathContext *zone_path_context;
767 zone_path_context = xmlXPathNewContext(doc);
768 if (zone_path_context == NULL) {
769 ERROR("bind plugin: xmlXPathNewContext failed.");
773 zone_nodes = xmlXPathEvalExpression(BAD_CAST "zones/zone", path_ctx);
774 if (zone_nodes == NULL) {
775 ERROR("bind plugin: Cannot find any <view> tags.");
776 xmlXPathFreeContext(zone_path_context);
780 for (int i = 0; i < zone_nodes->nodesetval->nodeNr; i++) {
781 node = zone_nodes->nodesetval->nodeTab[i];
782 assert(node != NULL);
784 zone_path_context->node = node;
786 bind_xml_stats_handle_zone(version, doc, zone_path_context, node, view,
790 xmlXPathFreeObject(zone_nodes);
791 xmlXPathFreeContext(zone_path_context);
793 } /* }}} int bind_xml_stats_search_zones */
795 static int bind_xml_stats_handle_view(int version, xmlDoc *doc, /* {{{ */
796 xmlXPathContext *path_ctx, xmlNode *node,
797 time_t current_time) {
798 char *view_name = NULL;
803 view_name = (char *)xmlGetProp(node, BAD_CAST "name");
805 if (view_name == NULL) {
806 ERROR("bind plugin: Could not determine view name.");
810 for (j = 0; j < views_num; j++) {
811 if (strcasecmp(view_name, views[j].name) == 0)
818 xmlXPathObject *path_obj;
819 path_obj = xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
820 if (path_obj == NULL) {
821 ERROR("bind plugin: xmlXPathEvalExpression failed.");
825 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
827 view_name = (char *)xmlNodeListGetString(
828 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
829 if (view_name != NULL)
833 if (view_name == NULL) {
834 ERROR("bind plugin: Could not determine view name.");
835 xmlXPathFreeObject(path_obj);
839 for (j = 0; j < views_num; j++) {
840 if (strcasecmp(view_name, views[j].name) == 0)
845 xmlXPathFreeObject(path_obj);
856 DEBUG("bind plugin: bind_xml_stats_handle_view: Found view `%s'.",
859 if (view->qtypes != 0) /* {{{ */
861 char plugin_instance[DATA_MAX_NAME_LEN];
862 list_info_ptr_t list_info = {plugin_instance,
863 /* type = */ "dns_qtype"};
865 ssnprintf(plugin_instance, sizeof(plugin_instance), "%s-qtypes",
868 bind_parse_generic_name_attr_value_list(
869 /* xpath = */ "counters[@type='resqtype']",
870 /* callback = */ bind_xml_list_callback,
871 /* user_data = */ &list_info, doc, path_ctx, current_time,
874 bind_parse_generic_name_value(/* xpath = */ "rdtype",
875 /* callback = */ bind_xml_list_callback,
876 /* user_data = */ &list_info, doc, path_ctx,
877 current_time, DS_TYPE_COUNTER);
881 if (view->resolver_stats != 0) /* {{{ */
883 char plugin_instance[DATA_MAX_NAME_LEN];
884 translation_table_ptr_t table_ptr = {resstats_translation_table,
885 resstats_translation_table_length,
888 ssnprintf(plugin_instance, sizeof(plugin_instance), "%s-resolver_stats",
891 bind_parse_generic_name_attr_value_list(
892 "counters[@type='resstats']",
893 /* callback = */ bind_xml_table_callback,
894 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
897 bind_parse_generic_name_value("resstat",
898 /* callback = */ bind_xml_table_callback,
899 /* user_data = */ &table_ptr, doc, path_ctx,
900 current_time, DS_TYPE_COUNTER);
904 /* Record types in the cache */
905 if (view->cacherrsets != 0) /* {{{ */
907 char plugin_instance[DATA_MAX_NAME_LEN];
908 list_info_ptr_t list_info = {plugin_instance,
909 /* type = */ "dns_qtype_cached"};
911 ssnprintf(plugin_instance, sizeof(plugin_instance), "%s-cache_rr_sets",
914 bind_parse_generic_name_value(/* xpath = */ "cache/rrset",
915 /* callback = */ bind_xml_list_callback,
916 /* user_data = */ &list_info, doc, path_ctx,
917 current_time, DS_TYPE_GAUGE);
920 if (view->zones_num > 0)
921 bind_xml_stats_search_zones(version, doc, path_ctx, node, view,
925 } /* }}} int bind_xml_stats_handle_view */
927 static int bind_xml_stats_search_views(int version, xmlDoc *doc, /* {{{ */
928 xmlXPathContext *xpathCtx,
930 time_t current_time) {
931 xmlXPathObject *view_nodes = NULL;
932 xmlXPathContext *view_path_context;
934 view_path_context = xmlXPathNewContext(doc);
935 if (view_path_context == NULL) {
936 ERROR("bind plugin: xmlXPathNewContext failed.");
940 view_nodes = xmlXPathEvalExpression(BAD_CAST "views/view", xpathCtx);
941 if (view_nodes == NULL) {
942 ERROR("bind plugin: Cannot find any <view> tags.");
943 xmlXPathFreeContext(view_path_context);
947 for (int i = 0; i < view_nodes->nodesetval->nodeNr; i++) {
950 node = view_nodes->nodesetval->nodeTab[i];
951 assert(node != NULL);
953 view_path_context->node = node;
955 bind_xml_stats_handle_view(version, doc, view_path_context, node,
959 xmlXPathFreeObject(view_nodes);
960 xmlXPathFreeContext(view_path_context);
962 } /* }}} int bind_xml_stats_search_views */
964 static void bind_xml_stats_v3(xmlDoc *doc, /* {{{ */
965 xmlXPathContext *xpathCtx, xmlNode *statsnode,
966 time_t current_time) {
967 /* XPath: server/counters[@type='opcode']
968 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
970 * <counters type="opcode">
971 * <counter name="A">1</counter>
975 if (global_opcodes != 0) {
976 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
977 /* type = */ "dns_opcode"};
978 bind_parse_generic_name_attr_value_list(
979 /* xpath = */ "server/counters[@type='opcode']",
980 /* callback = */ bind_xml_list_callback,
981 /* user_data = */ &list_info, doc, xpathCtx, current_time,
985 /* XPath: server/counters[@type='qtype']
986 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
987 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
988 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
990 * <counters type="opcode">
991 * <counter name="A">1</counter>
995 if (global_qtypes != 0) {
996 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
997 /* type = */ "dns_qtype"};
999 bind_parse_generic_name_attr_value_list(
1000 /* xpath = */ "server/counters[@type='qtype']",
1001 /* callback = */ bind_xml_list_callback,
1002 /* user_data = */ &list_info, doc, xpathCtx, current_time,
1006 /* XPath: server/counters[@type='nsstat']
1007 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
1008 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
1009 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
1010 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
1011 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
1012 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
1013 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
1016 * <counters type="nsstat"
1017 * <counter name="Requestv4">1</counter>
1018 * <counter name="Requestv6">0</counter>
1022 if (global_server_stats) {
1023 translation_table_ptr_t table_ptr = {
1024 nsstats_translation_table, nsstats_translation_table_length,
1025 /* plugin_instance = */ "global-server_stats"};
1027 bind_parse_generic_name_attr_value_list(
1028 "server/counters[@type='nsstat']",
1029 /* callback = */ bind_xml_table_callback,
1030 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1034 /* XPath: server/zonestats, server/zonestat,
1035 * server/counters[@type='zonestat']
1036 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1037 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1038 * XfrSuccess, XfrFail
1040 * <counters type="zonestat"
1041 * <counter name="NotifyOutv4">0</counter>
1042 * <counter name="NotifyOutv6">0</counter>
1046 if (global_zone_maint_stats) {
1047 translation_table_ptr_t table_ptr = {
1048 zonestats_translation_table, zonestats_translation_table_length,
1049 /* plugin_instance = */ "global-zone_maint_stats"};
1051 bind_parse_generic_name_attr_value_list(
1052 "server/counters[@type='zonestat']",
1053 /* callback = */ bind_xml_table_callback,
1054 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1058 /* XPath: server/resstats, server/counters[@type='resstat']
1059 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1060 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1061 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1062 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1064 * <counters type="resstat"
1065 * <counter name="Queryv4">0</counter>
1066 * <counter name="Queryv6">0</counter>
1070 if (global_resolver_stats != 0) {
1071 translation_table_ptr_t table_ptr = {
1072 resstats_translation_table, resstats_translation_table_length,
1073 /* plugin_instance = */ "global-resolver_stats"};
1075 bind_parse_generic_name_attr_value_list(
1076 "server/counters[@type='resstat']",
1077 /* callback = */ bind_xml_table_callback,
1078 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1081 } /* }}} bind_xml_stats_v3 */
1083 static void bind_xml_stats_v1_v2(int version, xmlDoc *doc, /* {{{ */
1084 xmlXPathContext *xpathCtx, xmlNode *statsnode,
1085 time_t current_time) {
1086 /* XPath: server/requests/opcode, server/counters[@type='opcode']
1087 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
1091 * <counter>1</counter>
1095 if (global_opcodes != 0) {
1096 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
1097 /* type = */ "dns_opcode"};
1099 bind_parse_generic_name_value(/* xpath = */ "server/requests/opcode",
1100 /* callback = */ bind_xml_list_callback,
1101 /* user_data = */ &list_info, doc, xpathCtx,
1102 current_time, DS_TYPE_COUNTER);
1105 /* XPath: server/queries-in/rdtype, server/counters[@type='qtype']
1106 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
1107 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
1108 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
1112 * <counter>1</counter>
1116 if (global_qtypes != 0) {
1117 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
1118 /* type = */ "dns_qtype"};
1120 bind_parse_generic_name_value(/* xpath = */ "server/queries-in/rdtype",
1121 /* callback = */ bind_xml_list_callback,
1122 /* user_data = */ &list_info, doc, xpathCtx,
1123 current_time, DS_TYPE_COUNTER);
1126 /* XPath: server/nsstats, server/nsstat, server/counters[@type='nsstat']
1127 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
1128 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
1129 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
1130 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
1131 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
1132 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
1133 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
1137 * <Requestv4>1</Requestv4>
1138 * <Requestv6>0</Requestv6>
1143 * <name>Requestv4</name>
1144 * <counter>1</counter>
1147 * <name>Requestv6</name>
1148 * <counter>0</counter>
1152 if (global_server_stats) {
1153 translation_table_ptr_t table_ptr = {
1154 nsstats_translation_table, nsstats_translation_table_length,
1155 /* plugin_instance = */ "global-server_stats"};
1158 bind_parse_generic_value_list("server/nsstats",
1159 /* callback = */ bind_xml_table_callback,
1160 /* user_data = */ &table_ptr, doc, xpathCtx,
1161 current_time, DS_TYPE_COUNTER);
1163 bind_parse_generic_name_value("server/nsstat",
1164 /* callback = */ bind_xml_table_callback,
1165 /* user_data = */ &table_ptr, doc, xpathCtx,
1166 current_time, DS_TYPE_COUNTER);
1170 /* XPath: server/zonestats, server/zonestat,
1171 * server/counters[@type='zonestat']
1172 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1173 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1174 * XfrSuccess, XfrFail
1177 * <NotifyOutv4>0</NotifyOutv4>
1178 * <NotifyOutv6>0</NotifyOutv6>
1183 * <name>NotifyOutv4</name>
1184 * <counter>0</counter>
1187 * <name>NotifyOutv6</name>
1188 * <counter>0</counter>
1192 if (global_zone_maint_stats) {
1193 translation_table_ptr_t table_ptr = {
1194 zonestats_translation_table, zonestats_translation_table_length,
1195 /* plugin_instance = */ "global-zone_maint_stats"};
1198 bind_parse_generic_value_list("server/zonestats",
1199 /* callback = */ bind_xml_table_callback,
1200 /* user_data = */ &table_ptr, doc, xpathCtx,
1201 current_time, DS_TYPE_COUNTER);
1203 bind_parse_generic_name_value("server/zonestat",
1204 /* callback = */ bind_xml_table_callback,
1205 /* user_data = */ &table_ptr, doc, xpathCtx,
1206 current_time, DS_TYPE_COUNTER);
1210 /* XPath: server/resstats, server/counters[@type='resstat']
1211 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1212 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1213 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1214 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1217 * <Queryv4>0</Queryv4>
1218 * <Queryv6>0</Queryv6>
1223 * <name>Queryv4</name>
1224 * <counter>0</counter>
1227 * <name>Queryv6</name>
1228 * <counter>0</counter>
1232 if (global_resolver_stats != 0) {
1233 translation_table_ptr_t table_ptr = {
1234 resstats_translation_table, resstats_translation_table_length,
1235 /* plugin_instance = */ "global-resolver_stats"};
1238 bind_parse_generic_value_list("server/resstats",
1239 /* callback = */ bind_xml_table_callback,
1240 /* user_data = */ &table_ptr, doc, xpathCtx,
1241 current_time, DS_TYPE_COUNTER);
1243 bind_parse_generic_name_value("server/resstat",
1244 /* callback = */ bind_xml_table_callback,
1245 /* user_data = */ &table_ptr, doc, xpathCtx,
1246 current_time, DS_TYPE_COUNTER);
1249 } /* }}} bind_xml_stats_v1_v2 */
1251 static int bind_xml_stats(int version, xmlDoc *doc, /* {{{ */
1252 xmlXPathContext *xpathCtx, xmlNode *statsnode) {
1253 time_t current_time = 0;
1256 xpathCtx->node = statsnode;
1258 /* TODO: Check `server/boot-time' to recognize server restarts. */
1260 status = bind_xml_read_timestamp("server/current-time", doc, xpathCtx,
1263 ERROR("bind plugin: Reading `server/current-time' failed.");
1266 DEBUG("bind plugin: Current server time is %i.", (int)current_time);
1269 bind_xml_stats_v3(doc, xpathCtx, statsnode, current_time);
1271 bind_xml_stats_v1_v2(version, doc, xpathCtx, statsnode, current_time);
1274 /* XPath: memory/summary
1275 * Variables: TotalUse, InUse, BlockSize, ContextSize, Lost
1276 * Layout: v2 and v3:
1278 * <TotalUse>6587096</TotalUse>
1279 * <InUse>1345424</InUse>
1280 * <BlockSize>5505024</BlockSize>
1281 * <ContextSize>3732456</ContextSize>
1285 if (global_memory_stats != 0) {
1286 translation_table_ptr_t table_ptr = {
1287 memsummary_translation_table, memsummary_translation_table_length,
1288 /* plugin_instance = */ "global-memory_stats"};
1290 bind_parse_generic_value_list("memory/summary",
1291 /* callback = */ bind_xml_table_callback,
1292 /* user_data = */ &table_ptr, doc, xpathCtx,
1293 current_time, DS_TYPE_GAUGE);
1297 bind_xml_stats_search_views(version, doc, xpathCtx, statsnode,
1301 } /* }}} int bind_xml_stats */
1303 static int bind_xml(const char *data) /* {{{ */
1306 xmlXPathContext *xpathCtx = NULL;
1307 xmlXPathObject *xpathObj = NULL;
1310 doc = xmlParseMemory(data, strlen(data));
1312 ERROR("bind plugin: xmlParseMemory failed.");
1316 xpathCtx = xmlXPathNewContext(doc);
1317 if (xpathCtx == NULL) {
1318 ERROR("bind plugin: xmlXPathNewContext failed.");
1324 // version 3.* of statistics XML (since BIND9.9)
1327 xpathObj = xmlXPathEvalExpression(BAD_CAST "/statistics", xpathCtx);
1328 if (xpathObj == NULL || xpathObj->nodesetval == NULL ||
1329 xpathObj->nodesetval->nodeNr == 0) {
1330 DEBUG("bind plugin: Statistics appears not to be v3");
1331 // we will fallback to v1 or v2 detection
1332 if (xpathObj != NULL) {
1333 xmlXPathFreeObject(xpathObj);
1336 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1340 node = xpathObj->nodesetval->nodeTab[i];
1341 assert(node != NULL);
1343 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1344 if (attr_version == NULL) {
1345 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1346 "`version' attribute.");
1349 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1351 if (strncmp("3.", attr_version, strlen("3.")) != 0) {
1352 /* TODO: Use the complaint mechanism here. */
1353 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1354 "Unfortunately I have no clue how to parse that. "
1355 "Please open a bug report for this.",
1357 xmlFree(attr_version);
1360 ret = bind_xml_stats(3, doc, xpathCtx, node);
1362 xmlFree(attr_version);
1363 /* One <statistics> node ought to be enough. */
1367 // we are finished, early-return
1368 xmlXPathFreeObject(xpathObj);
1369 xmlXPathFreeContext(xpathCtx);
1376 // versions 1.* or 2.* of statistics XML
1379 xpathObj = xmlXPathEvalExpression(BAD_CAST "/isc/bind/statistics", xpathCtx);
1380 if (xpathObj == NULL) {
1381 ERROR("bind plugin: Cannot find the <statistics> tag.");
1382 xmlXPathFreeContext(xpathCtx);
1385 } else if (xpathObj->nodesetval == NULL) {
1386 ERROR("bind plugin: xmlXPathEvalExpression failed.");
1387 xmlXPathFreeObject(xpathObj);
1388 xmlXPathFreeContext(xpathCtx);
1393 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1396 int parsed_version = 0;
1398 node = xpathObj->nodesetval->nodeTab[i];
1399 assert(node != NULL);
1401 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1402 if (attr_version == NULL) {
1403 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1404 "`version' attribute.");
1407 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1409 /* At the time this plugin was written, version "1.0" was used by
1410 * BIND 9.5.0, version "2.0" was used by BIND 9.5.1 and 9.6.0. We assume
1411 * that "1.*" and "2.*" don't introduce structural changes, so we just
1412 * check for the first two characters here. */
1413 if (strncmp("1.", attr_version, strlen("1.")) == 0)
1415 else if (strncmp("2.", attr_version, strlen("2.")) == 0)
1418 /* TODO: Use the complaint mechanism here. */
1419 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1420 "Unfortunately I have no clue how to parse that. "
1421 "Please open a bug report for this.",
1423 xmlFree(attr_version);
1427 ret = bind_xml_stats(parsed_version, doc, xpathCtx, node);
1429 xmlFree(attr_version);
1430 /* One <statistics> node ought to be enough. */
1434 xmlXPathFreeObject(xpathObj);
1435 xmlXPathFreeContext(xpathCtx);
1439 } /* }}} int bind_xml */
1441 static int bind_config_set_bool(const char *name, int *var, /* {{{ */
1442 oconfig_item_t *ci) {
1443 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
1444 WARNING("bind plugin: The `%s' option needs "
1445 "exactly one boolean argument.",
1450 if (ci->values[0].value.boolean)
1455 } /* }}} int bind_config_set_bool */
1457 static int bind_config_add_view_zone(cb_view_t *view, /* {{{ */
1458 oconfig_item_t *ci) {
1461 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1462 WARNING("bind plugin: The `Zone' option needs "
1463 "exactly one string argument.");
1467 tmp = realloc(view->zones, sizeof(char *) * (view->zones_num + 1));
1469 ERROR("bind plugin: realloc failed.");
1474 view->zones[view->zones_num] = strdup(ci->values[0].value.string);
1475 if (view->zones[view->zones_num] == NULL) {
1476 ERROR("bind plugin: strdup failed.");
1482 } /* }}} int bind_config_add_view_zone */
1484 static int bind_config_add_view(oconfig_item_t *ci) /* {{{ */
1488 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1489 WARNING("bind plugin: `View' blocks need exactly one string argument.");
1493 tmp = realloc(views, sizeof(*views) * (views_num + 1));
1495 ERROR("bind plugin: realloc failed.");
1499 tmp = views + views_num;
1501 memset(tmp, 0, sizeof(*tmp));
1503 tmp->resolver_stats = 1;
1504 tmp->cacherrsets = 1;
1508 tmp->name = strdup(ci->values[0].value.string);
1509 if (tmp->name == NULL) {
1510 ERROR("bind plugin: strdup failed.");
1515 for (int i = 0; i < ci->children_num; i++) {
1516 oconfig_item_t *child = ci->children + i;
1518 if (strcasecmp("QTypes", child->key) == 0)
1519 bind_config_set_bool("QTypes", &tmp->qtypes, child);
1520 else if (strcasecmp("ResolverStats", child->key) == 0)
1521 bind_config_set_bool("ResolverStats", &tmp->resolver_stats, child);
1522 else if (strcasecmp("CacheRRSets", child->key) == 0)
1523 bind_config_set_bool("CacheRRSets", &tmp->cacherrsets, child);
1524 else if (strcasecmp("Zone", child->key) == 0)
1525 bind_config_add_view_zone(tmp, child);
1527 WARNING("bind plugin: Unknown configuration option "
1528 "`%s' in view `%s' will be ignored.",
1529 child->key, tmp->name);
1531 } /* for (i = 0; i < ci->children_num; i++) */
1535 } /* }}} int bind_config_add_view */
1537 static int bind_config(oconfig_item_t *ci) /* {{{ */
1539 for (int i = 0; i < ci->children_num; i++) {
1540 oconfig_item_t *child = ci->children + i;
1542 if (strcasecmp("Url", child->key) == 0) {
1543 if ((child->values_num != 1) ||
1544 (child->values[0].type != OCONFIG_TYPE_STRING)) {
1545 WARNING("bind plugin: The `Url' option needs "
1546 "exactly one string argument.");
1551 url = strdup(child->values[0].value.string);
1552 } else if (strcasecmp("OpCodes", child->key) == 0)
1553 bind_config_set_bool("OpCodes", &global_opcodes, child);
1554 else if (strcasecmp("QTypes", child->key) == 0)
1555 bind_config_set_bool("QTypes", &global_qtypes, child);
1556 else if (strcasecmp("ServerStats", child->key) == 0)
1557 bind_config_set_bool("ServerStats", &global_server_stats, child);
1558 else if (strcasecmp("ZoneMaintStats", child->key) == 0)
1559 bind_config_set_bool("ZoneMaintStats", &global_zone_maint_stats, child);
1560 else if (strcasecmp("ResolverStats", child->key) == 0)
1561 bind_config_set_bool("ResolverStats", &global_resolver_stats, child);
1562 else if (strcasecmp("MemoryStats", child->key) == 0)
1563 bind_config_set_bool("MemoryStats", &global_memory_stats, child);
1564 else if (strcasecmp("View", child->key) == 0)
1565 bind_config_add_view(child);
1566 else if (strcasecmp("ParseTime", child->key) == 0)
1567 cf_util_get_boolean(child, &config_parse_time);
1568 else if (strcasecmp("Timeout", child->key) == 0)
1569 cf_util_get_int(child, &timeout);
1571 WARNING("bind plugin: Unknown configuration option "
1572 "`%s' will be ignored.",
1578 } /* }}} int bind_config */
1580 static int bind_init(void) /* {{{ */
1585 curl = curl_easy_init();
1587 ERROR("bind plugin: bind_init: curl_easy_init failed.");
1591 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
1592 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, bind_curl_callback);
1593 curl_easy_setopt(curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
1594 curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, bind_curl_error);
1595 curl_easy_setopt(curl, CURLOPT_URL, (url != NULL) ? url : BIND_DEFAULT_URL);
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;
1617 if (curl_easy_perform(curl) != CURLE_OK) {
1618 ERROR("bind plugin: curl_easy_perform failed: %s", bind_curl_error);
1622 status = bind_xml(bind_buffer);
1627 } /* }}} int bind_read */
1629 static int bind_shutdown(void) /* {{{ */
1632 curl_easy_cleanup(curl);
1637 } /* }}} int bind_shutdown */
1639 void module_register(void) {
1640 plugin_register_complex_config("bind", bind_config);
1641 plugin_register_init("bind", bind_init);
1642 plugin_register_read("bind", bind_read);
1643 plugin_register_shutdown("bind", bind_shutdown);
1644 } /* void module_register */