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 = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
387 if (xpathObj == NULL) {
388 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
393 if ((xpathObj->nodesetval == NULL) || (xpathObj->nodesetval->nodeNr < 1)) {
394 xmlXPathFreeObject(xpathObj);
398 if (xpathObj->nodesetval->nodeNr != 1) {
399 NOTICE("bind plugin: Evaluating the XPath expression `%s' returned "
400 "%i nodes. Only handling the first one.",
401 xpath_expression, xpathObj->nodesetval->nodeNr);
404 xmlNode *node = xpathObj->nodesetval->nodeTab[0];
406 if (node->xmlChildrenNode == NULL) {
407 ERROR("bind plugin: bind_xml_read_timestamp: "
408 "node->xmlChildrenNode == NULL");
409 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 = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
468 if (xpathObj == NULL) {
469 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
475 /* Iterate over all matching nodes. */
476 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
479 xmlNode *name_node = NULL;
480 xmlNode *counter = NULL;
482 xmlNode *parent = xpathObj->nodesetval->nodeTab[i];
483 DEBUG("bind plugin: bind_parse_generic_name_value: parent->name = %s;",
484 (char *)parent->name);
486 /* Iterate over all child nodes. */
487 for (xmlNode *child = parent->xmlChildrenNode; child != NULL;
488 child = child->next) {
489 if (child->type != XML_ELEMENT_NODE)
492 if (xmlStrcmp(BAD_CAST "name", child->name) == 0)
494 else if (xmlStrcmp(BAD_CAST "counter", child->name) == 0)
498 if ((name_node != NULL) && (counter != NULL)) {
500 (char *)xmlNodeListGetString(doc, name_node->xmlChildrenNode, 1);
504 if (ds_type == DS_TYPE_GAUGE)
505 status = bind_xml_read_gauge(doc, counter, &value.gauge);
507 status = bind_xml_read_derive(doc, counter, &value.derive);
513 status = (*list_callback)(name, value, current_time, user_data);
521 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
522 (num_entries == 1) ? "entry" : "entries", xpath_expression);
524 xmlXPathFreeObject(xpathObj);
527 } /* }}} int bind_parse_generic_name_value */
530 * bind_parse_generic_value_list
532 * Reads statistics in the form:
540 static int bind_parse_generic_value_list(const char *xpath_expression, /* {{{ */
541 list_callback_t list_callback,
542 void *user_data, xmlDoc *doc,
543 xmlXPathContext *xpathCtx,
544 time_t current_time, int ds_type) {
545 xmlXPathObject *xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
546 if (xpathObj == NULL) {
547 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
553 /* Iterate over all matching nodes. */
554 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
556 /* Iterate over all child nodes. */
557 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
558 child != NULL; child = child->next) {
560 if (child->type != XML_ELEMENT_NODE)
563 char *node_name = (char *)child->name;
567 if (ds_type == DS_TYPE_GAUGE)
568 status = bind_xml_read_gauge(doc, child, &value.gauge);
570 status = bind_xml_read_derive(doc, child, &value.derive);
574 status = (*list_callback)(node_name, value, current_time, user_data);
580 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
581 (num_entries == 1) ? "entry" : "entries", xpath_expression);
583 xmlXPathFreeObject(xpathObj);
586 } /* }}} int bind_parse_generic_value_list */
589 * bind_parse_generic_name_attr_value_list
591 * Reads statistics in the form:
593 * <counter name="name0">123</counter>
594 * <counter name="name1">234</counter>
595 * <counter name="name2">345</counter>
599 static int bind_parse_generic_name_attr_value_list(
600 const char *xpath_expression, /* {{{ */
601 list_callback_t list_callback, void *user_data, xmlDoc *doc,
602 xmlXPathContext *xpathCtx, time_t current_time, int ds_type) {
604 xmlXPathObject *xpathObj = xmlXPathEvalExpression(BAD_CAST xpath_expression, xpathCtx);
605 if (xpathObj == NULL) {
606 ERROR("bind plugin: Unable to evaluate XPath expression `%s'.",
612 /* Iterate over all matching nodes. */
613 for (int i = 0; xpathObj->nodesetval && (i < xpathObj->nodesetval->nodeNr);
615 /* Iterate over all child nodes. */
616 for (xmlNode *child = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
617 child != NULL; child = child->next) {
618 if (child->type != XML_ELEMENT_NODE)
621 if (strncmp("counter", (char *)child->name, strlen("counter")) != 0)
624 char *attr_name = (char *)xmlGetProp(child, BAD_CAST "name");
625 if (attr_name == NULL) {
626 DEBUG("bind plugin: found <counter> without name.");
633 if (ds_type == DS_TYPE_GAUGE)
634 status = bind_xml_read_gauge(doc, child, &value.gauge);
636 status = bind_xml_read_derive(doc, child, &value.derive);
642 status = (*list_callback)(attr_name, value, current_time, user_data);
650 DEBUG("bind plugin: Found %d %s for XPath expression `%s'", num_entries,
651 (num_entries == 1) ? "entry" : "entries", xpath_expression);
653 xmlXPathFreeObject(xpathObj);
656 } /* }}} int bind_parse_generic_name_attr_value_list */
658 static int bind_xml_stats_handle_zone(int version, xmlDoc *doc, /* {{{ */
659 xmlXPathContext *path_ctx, xmlNode *node,
660 cb_view_t *view, time_t current_time) {
661 char *zone_name = NULL;
664 char *n = (char *)xmlGetProp(node, BAD_CAST "name");
665 char *c = (char *)xmlGetProp(node, BAD_CAST "rdataclass");
667 zone_name = (char *)xmlMalloc(strlen(n) + strlen(c) + 2);
668 snprintf(zone_name, strlen(n) + strlen(c) + 2, "%s/%s", n, c);
673 xmlXPathObject *path_obj = xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
674 if (path_obj == NULL) {
675 ERROR("bind plugin: xmlXPathEvalExpression failed.");
679 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
681 zone_name = (char *)xmlNodeListGetString(
682 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
683 if (zone_name != NULL)
686 xmlXPathFreeObject(path_obj);
689 if (zone_name == NULL) {
690 ERROR("bind plugin: Could not determine zone name.");
695 for (j = 0; j < view->zones_num; j++) {
696 if (strcasecmp(zone_name, view->zones[j]) == 0)
702 if (j >= view->zones_num)
705 zone_name = view->zones[j];
707 DEBUG("bind plugin: bind_xml_stats_handle_zone: Found zone `%s'.", zone_name);
709 { /* Parse the <counters> tag {{{ */
710 char plugin_instance[DATA_MAX_NAME_LEN];
711 translation_table_ptr_t table_ptr = {nsstats_translation_table,
712 nsstats_translation_table_length,
715 snprintf(plugin_instance, sizeof(plugin_instance), "%s-zone-%s", view->name,
719 list_info_ptr_t list_info = {plugin_instance,
720 /* type = */ "dns_qtype"};
721 bind_parse_generic_name_attr_value_list(
722 /* xpath = */ "counters[@type='rcode']",
723 /* callback = */ bind_xml_table_callback,
724 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
726 bind_parse_generic_name_attr_value_list(
727 /* xpath = */ "counters[@type='qtype']",
728 /* callback = */ bind_xml_list_callback,
729 /* user_data = */ &list_info, doc, path_ctx, current_time,
732 bind_parse_generic_value_list(/* xpath = */ "counters",
733 /* callback = */ bind_xml_table_callback,
734 /* user_data = */ &table_ptr, doc, path_ctx,
735 current_time, DS_TYPE_COUNTER);
740 } /* }}} int bind_xml_stats_handle_zone */
742 static int bind_xml_stats_search_zones(int version, xmlDoc *doc, /* {{{ */
743 xmlXPathContext *path_ctx, xmlNode *node,
744 cb_view_t *view, time_t current_time) {
745 xmlXPathContext *zone_path_context = xmlXPathNewContext(doc);
746 if (zone_path_context == NULL) {
747 ERROR("bind plugin: xmlXPathNewContext failed.");
751 xmlXPathObject *zone_nodes = xmlXPathEvalExpression(BAD_CAST "zones/zone", path_ctx);
752 if (zone_nodes == NULL) {
753 ERROR("bind plugin: Cannot find any <view> tags.");
754 xmlXPathFreeContext(zone_path_context);
758 for (int i = 0; i < zone_nodes->nodesetval->nodeNr; i++) {
759 node = zone_nodes->nodesetval->nodeTab[i];
760 assert(node != NULL);
762 zone_path_context->node = node;
764 bind_xml_stats_handle_zone(version, doc, zone_path_context, node, view,
768 xmlXPathFreeObject(zone_nodes);
769 xmlXPathFreeContext(zone_path_context);
771 } /* }}} int bind_xml_stats_search_zones */
773 static int bind_xml_stats_handle_view(int version, xmlDoc *doc, /* {{{ */
774 xmlXPathContext *path_ctx, xmlNode *node,
775 time_t current_time) {
776 char *view_name = NULL;
781 view_name = (char *)xmlGetProp(node, BAD_CAST "name");
783 if (view_name == NULL) {
784 ERROR("bind plugin: Could not determine view name.");
788 for (j = 0; j < views_num; j++) {
789 if (strcasecmp(view_name, views[j].name) == 0)
796 xmlXPathObject *path_obj = xmlXPathEvalExpression(BAD_CAST "name", path_ctx);
797 if (path_obj == NULL) {
798 ERROR("bind plugin: xmlXPathEvalExpression failed.");
802 for (int i = 0; path_obj->nodesetval && (i < path_obj->nodesetval->nodeNr);
804 view_name = (char *)xmlNodeListGetString(
805 doc, path_obj->nodesetval->nodeTab[i]->xmlChildrenNode, 1);
806 if (view_name != NULL)
810 if (view_name == NULL) {
811 ERROR("bind plugin: Could not determine view name.");
812 xmlXPathFreeObject(path_obj);
816 for (j = 0; j < views_num; j++) {
817 if (strcasecmp(view_name, views[j].name) == 0)
822 xmlXPathFreeObject(path_obj);
833 DEBUG("bind plugin: bind_xml_stats_handle_view: Found view `%s'.",
836 if (view->qtypes != 0) /* {{{ */
838 char plugin_instance[DATA_MAX_NAME_LEN];
839 list_info_ptr_t list_info = {plugin_instance,
840 /* type = */ "dns_qtype"};
842 snprintf(plugin_instance, sizeof(plugin_instance), "%s-qtypes", view->name);
844 bind_parse_generic_name_attr_value_list(
845 /* xpath = */ "counters[@type='resqtype']",
846 /* callback = */ bind_xml_list_callback,
847 /* user_data = */ &list_info, doc, path_ctx, current_time,
850 bind_parse_generic_name_value(/* xpath = */ "rdtype",
851 /* callback = */ bind_xml_list_callback,
852 /* user_data = */ &list_info, doc, path_ctx,
853 current_time, DS_TYPE_COUNTER);
857 if (view->resolver_stats != 0) /* {{{ */
859 char plugin_instance[DATA_MAX_NAME_LEN];
860 translation_table_ptr_t table_ptr = {resstats_translation_table,
861 resstats_translation_table_length,
864 snprintf(plugin_instance, sizeof(plugin_instance), "%s-resolver_stats",
867 bind_parse_generic_name_attr_value_list(
868 "counters[@type='resstats']",
869 /* callback = */ bind_xml_table_callback,
870 /* user_data = */ &table_ptr, doc, path_ctx, current_time,
873 bind_parse_generic_name_value("resstat",
874 /* callback = */ bind_xml_table_callback,
875 /* user_data = */ &table_ptr, doc, path_ctx,
876 current_time, DS_TYPE_COUNTER);
880 /* Record types in the cache */
881 if (view->cacherrsets != 0) /* {{{ */
883 char plugin_instance[DATA_MAX_NAME_LEN];
884 list_info_ptr_t list_info = {plugin_instance,
885 /* type = */ "dns_qtype_cached"};
887 snprintf(plugin_instance, sizeof(plugin_instance), "%s-cache_rr_sets",
890 bind_parse_generic_name_value(/* xpath = */ "cache/rrset",
891 /* callback = */ bind_xml_list_callback,
892 /* user_data = */ &list_info, doc, path_ctx,
893 current_time, DS_TYPE_GAUGE);
896 if (view->zones_num > 0)
897 bind_xml_stats_search_zones(version, doc, path_ctx, node, view,
901 } /* }}} int bind_xml_stats_handle_view */
903 static int bind_xml_stats_search_views(int version, xmlDoc *doc, /* {{{ */
904 xmlXPathContext *xpathCtx,
906 time_t current_time) {
907 xmlXPathContext *view_path_context = xmlXPathNewContext(doc);
908 if (view_path_context == NULL) {
909 ERROR("bind plugin: xmlXPathNewContext failed.");
913 xmlXPathObject *view_nodes = xmlXPathEvalExpression(BAD_CAST "views/view", xpathCtx);
914 if (view_nodes == NULL) {
915 ERROR("bind plugin: Cannot find any <view> tags.");
916 xmlXPathFreeContext(view_path_context);
920 for (int i = 0; i < view_nodes->nodesetval->nodeNr; i++) {
921 xmlNode *node = view_nodes->nodesetval->nodeTab[i];
922 assert(node != NULL);
924 view_path_context->node = node;
926 bind_xml_stats_handle_view(version, doc, view_path_context, node,
930 xmlXPathFreeObject(view_nodes);
931 xmlXPathFreeContext(view_path_context);
933 } /* }}} int bind_xml_stats_search_views */
935 static void bind_xml_stats_v3(xmlDoc *doc, /* {{{ */
936 xmlXPathContext *xpathCtx, xmlNode *statsnode,
937 time_t current_time) {
938 /* XPath: server/counters[@type='opcode']
939 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
941 * <counters type="opcode">
942 * <counter name="A">1</counter>
946 if (global_opcodes != 0) {
947 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
948 /* type = */ "dns_opcode"};
949 bind_parse_generic_name_attr_value_list(
950 /* xpath = */ "server/counters[@type='opcode']",
951 /* callback = */ bind_xml_list_callback,
952 /* user_data = */ &list_info, doc, xpathCtx, current_time,
956 /* XPath: server/counters[@type='qtype']
957 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
958 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
959 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
961 * <counters type="opcode">
962 * <counter name="A">1</counter>
966 if (global_qtypes != 0) {
967 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
968 /* type = */ "dns_qtype"};
970 bind_parse_generic_name_attr_value_list(
971 /* xpath = */ "server/counters[@type='qtype']",
972 /* callback = */ bind_xml_list_callback,
973 /* user_data = */ &list_info, doc, xpathCtx, current_time,
977 /* XPath: server/counters[@type='nsstat']
978 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
979 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
980 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
981 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
982 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
983 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
984 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
987 * <counters type="nsstat"
988 * <counter name="Requestv4">1</counter>
989 * <counter name="Requestv6">0</counter>
993 if (global_server_stats) {
994 translation_table_ptr_t table_ptr = {
995 nsstats_translation_table, nsstats_translation_table_length,
996 /* plugin_instance = */ "global-server_stats"};
998 bind_parse_generic_name_attr_value_list(
999 "server/counters[@type='nsstat']",
1000 /* callback = */ bind_xml_table_callback,
1001 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1005 /* XPath: server/zonestats, server/zonestat,
1006 * server/counters[@type='zonestat']
1007 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1008 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1009 * XfrSuccess, XfrFail
1011 * <counters type="zonestat"
1012 * <counter name="NotifyOutv4">0</counter>
1013 * <counter name="NotifyOutv6">0</counter>
1017 if (global_zone_maint_stats) {
1018 translation_table_ptr_t table_ptr = {
1019 zonestats_translation_table, zonestats_translation_table_length,
1020 /* plugin_instance = */ "global-zone_maint_stats"};
1022 bind_parse_generic_name_attr_value_list(
1023 "server/counters[@type='zonestat']",
1024 /* callback = */ bind_xml_table_callback,
1025 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1029 /* XPath: server/resstats, server/counters[@type='resstat']
1030 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1031 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1032 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1033 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1035 * <counters type="resstat"
1036 * <counter name="Queryv4">0</counter>
1037 * <counter name="Queryv6">0</counter>
1041 if (global_resolver_stats != 0) {
1042 translation_table_ptr_t table_ptr = {
1043 resstats_translation_table, resstats_translation_table_length,
1044 /* plugin_instance = */ "global-resolver_stats"};
1046 bind_parse_generic_name_attr_value_list(
1047 "server/counters[@type='resstat']",
1048 /* callback = */ bind_xml_table_callback,
1049 /* user_data = */ &table_ptr, doc, xpathCtx, current_time,
1052 } /* }}} bind_xml_stats_v3 */
1054 static void bind_xml_stats_v1_v2(int version, xmlDoc *doc, /* {{{ */
1055 xmlXPathContext *xpathCtx, xmlNode *statsnode,
1056 time_t current_time) {
1057 /* XPath: server/requests/opcode, server/counters[@type='opcode']
1058 * Variables: QUERY, IQUERY, NOTIFY, UPDATE, ...
1062 * <counter>1</counter>
1066 if (global_opcodes != 0) {
1067 list_info_ptr_t list_info = {/* plugin instance = */ "global-opcodes",
1068 /* type = */ "dns_opcode"};
1070 bind_parse_generic_name_value(/* xpath = */ "server/requests/opcode",
1071 /* callback = */ bind_xml_list_callback,
1072 /* user_data = */ &list_info, doc, xpathCtx,
1073 current_time, DS_TYPE_COUNTER);
1076 /* XPath: server/queries-in/rdtype, server/counters[@type='qtype']
1077 * Variables: RESERVED0, A, NS, CNAME, SOA, MR, PTR, HINFO, MX, TXT, RP,
1078 * X25, PX, AAAA, LOC, SRV, NAPTR, A6, DS, RRSIG, NSEC, DNSKEY,
1079 * SPF, TKEY, IXFR, AXFR, ANY, ..., Others
1083 * <counter>1</counter>
1087 if (global_qtypes != 0) {
1088 list_info_ptr_t list_info = {/* plugin instance = */ "global-qtypes",
1089 /* type = */ "dns_qtype"};
1091 bind_parse_generic_name_value(/* xpath = */ "server/queries-in/rdtype",
1092 /* callback = */ bind_xml_list_callback,
1093 /* user_data = */ &list_info, doc, xpathCtx,
1094 current_time, DS_TYPE_COUNTER);
1097 /* XPath: server/nsstats, server/nsstat, server/counters[@type='nsstat']
1098 * Variables: Requestv4, Requestv6, ReqEdns0, ReqBadEDNSVer, ReqTSIG,
1099 * ReqSIG0, ReqBadSIG, ReqTCP, AuthQryRej, RecQryRej, XfrRej,
1100 * UpdateRej, Response, TruncatedResp, RespEDNS0, RespTSIG,
1101 * RespSIG0, QrySuccess, QryAuthAns, QryNoauthAns, QryReferral,
1102 * QryNxrrset, QrySERVFAIL, QryFORMERR, QryNXDOMAIN, QryRecursion,
1103 * QryDuplicate, QryDropped, QryFailure, XfrReqDone, UpdateReqFwd,
1104 * UpdateRespFwd, UpdateFwdFail, UpdateDone, UpdateFail,
1108 * <Requestv4>1</Requestv4>
1109 * <Requestv6>0</Requestv6>
1114 * <name>Requestv4</name>
1115 * <counter>1</counter>
1118 * <name>Requestv6</name>
1119 * <counter>0</counter>
1123 if (global_server_stats) {
1124 translation_table_ptr_t table_ptr = {
1125 nsstats_translation_table, nsstats_translation_table_length,
1126 /* plugin_instance = */ "global-server_stats"};
1129 bind_parse_generic_value_list("server/nsstats",
1130 /* callback = */ bind_xml_table_callback,
1131 /* user_data = */ &table_ptr, doc, xpathCtx,
1132 current_time, DS_TYPE_COUNTER);
1134 bind_parse_generic_name_value("server/nsstat",
1135 /* callback = */ bind_xml_table_callback,
1136 /* user_data = */ &table_ptr, doc, xpathCtx,
1137 current_time, DS_TYPE_COUNTER);
1141 /* XPath: server/zonestats, server/zonestat,
1142 * server/counters[@type='zonestat']
1143 * Variables: NotifyOutv4, NotifyOutv6, NotifyInv4, NotifyInv6, NotifyRej,
1144 * SOAOutv4, SOAOutv6, AXFRReqv4, AXFRReqv6, IXFRReqv4, IXFRReqv6,
1145 * XfrSuccess, XfrFail
1148 * <NotifyOutv4>0</NotifyOutv4>
1149 * <NotifyOutv6>0</NotifyOutv6>
1154 * <name>NotifyOutv4</name>
1155 * <counter>0</counter>
1158 * <name>NotifyOutv6</name>
1159 * <counter>0</counter>
1163 if (global_zone_maint_stats) {
1164 translation_table_ptr_t table_ptr = {
1165 zonestats_translation_table, zonestats_translation_table_length,
1166 /* plugin_instance = */ "global-zone_maint_stats"};
1169 bind_parse_generic_value_list("server/zonestats",
1170 /* callback = */ bind_xml_table_callback,
1171 /* user_data = */ &table_ptr, doc, xpathCtx,
1172 current_time, DS_TYPE_COUNTER);
1174 bind_parse_generic_name_value("server/zonestat",
1175 /* callback = */ bind_xml_table_callback,
1176 /* user_data = */ &table_ptr, doc, xpathCtx,
1177 current_time, DS_TYPE_COUNTER);
1181 /* XPath: server/resstats, server/counters[@type='resstat']
1182 * Variables: Queryv4, Queryv6, Responsev4, Responsev6, NXDOMAIN, SERVFAIL,
1183 * FORMERR, OtherError, EDNS0Fail, Mismatch, Truncated, Lame,
1184 * Retry, GlueFetchv4, GlueFetchv6, GlueFetchv4Fail,
1185 * GlueFetchv6Fail, ValAttempt, ValOk, ValNegOk, ValFail
1188 * <Queryv4>0</Queryv4>
1189 * <Queryv6>0</Queryv6>
1194 * <name>Queryv4</name>
1195 * <counter>0</counter>
1198 * <name>Queryv6</name>
1199 * <counter>0</counter>
1203 if (global_resolver_stats != 0) {
1204 translation_table_ptr_t table_ptr = {
1205 resstats_translation_table, resstats_translation_table_length,
1206 /* plugin_instance = */ "global-resolver_stats"};
1209 bind_parse_generic_value_list("server/resstats",
1210 /* callback = */ bind_xml_table_callback,
1211 /* user_data = */ &table_ptr, doc, xpathCtx,
1212 current_time, DS_TYPE_COUNTER);
1214 bind_parse_generic_name_value("server/resstat",
1215 /* callback = */ bind_xml_table_callback,
1216 /* user_data = */ &table_ptr, doc, xpathCtx,
1217 current_time, DS_TYPE_COUNTER);
1220 } /* }}} bind_xml_stats_v1_v2 */
1222 static int bind_xml_stats(int version, xmlDoc *doc, /* {{{ */
1223 xmlXPathContext *xpathCtx, xmlNode *statsnode) {
1224 time_t current_time = 0;
1226 xpathCtx->node = statsnode;
1228 /* TODO: Check `server/boot-time' to recognize server restarts. */
1230 int status = bind_xml_read_timestamp("server/current-time", doc, xpathCtx,
1233 ERROR("bind plugin: Reading `server/current-time' failed.");
1236 DEBUG("bind plugin: Current server time is %i.", (int)current_time);
1239 bind_xml_stats_v3(doc, xpathCtx, statsnode, current_time);
1241 bind_xml_stats_v1_v2(version, doc, xpathCtx, statsnode, current_time);
1244 /* XPath: memory/summary
1245 * Variables: TotalUse, InUse, BlockSize, ContextSize, Lost
1246 * Layout: v2 and v3:
1248 * <TotalUse>6587096</TotalUse>
1249 * <InUse>1345424</InUse>
1250 * <BlockSize>5505024</BlockSize>
1251 * <ContextSize>3732456</ContextSize>
1255 if (global_memory_stats != 0) {
1256 translation_table_ptr_t table_ptr = {
1257 memsummary_translation_table, memsummary_translation_table_length,
1258 /* plugin_instance = */ "global-memory_stats"};
1260 bind_parse_generic_value_list("memory/summary",
1261 /* callback = */ bind_xml_table_callback,
1262 /* user_data = */ &table_ptr, doc, xpathCtx,
1263 current_time, DS_TYPE_GAUGE);
1267 bind_xml_stats_search_views(version, doc, xpathCtx, statsnode,
1271 } /* }}} int bind_xml_stats */
1273 static int bind_xml(const char *data) /* {{{ */
1277 xmlDoc *doc = xmlParseMemory(data, strlen(data));
1279 ERROR("bind plugin: xmlParseMemory failed.");
1283 xmlXPathContext *xpathCtx = xmlXPathNewContext(doc);
1284 if (xpathCtx == NULL) {
1285 ERROR("bind plugin: xmlXPathNewContext failed.");
1291 // version 3.* of statistics XML (since BIND9.9)
1294 xmlXPathObject *xpathObj = xmlXPathEvalExpression(BAD_CAST "/statistics", xpathCtx);
1295 if (xpathObj == NULL || xpathObj->nodesetval == NULL ||
1296 xpathObj->nodesetval->nodeNr == 0) {
1297 DEBUG("bind plugin: Statistics appears not to be v3");
1298 // we will fallback to v1 or v2 detection
1299 if (xpathObj != NULL) {
1300 xmlXPathFreeObject(xpathObj);
1303 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1307 node = xpathObj->nodesetval->nodeTab[i];
1308 assert(node != NULL);
1310 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1311 if (attr_version == NULL) {
1312 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1313 "`version' attribute.");
1316 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1318 if (strncmp("3.", attr_version, strlen("3.")) != 0) {
1319 /* TODO: Use the complaint mechanism here. */
1320 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1321 "Unfortunately I have no clue how to parse that. "
1322 "Please open a bug report for this.",
1324 xmlFree(attr_version);
1327 ret = bind_xml_stats(3, doc, xpathCtx, node);
1329 xmlFree(attr_version);
1330 /* One <statistics> node ought to be enough. */
1334 // we are finished, early-return
1335 xmlXPathFreeObject(xpathObj);
1336 xmlXPathFreeContext(xpathCtx);
1343 // versions 1.* or 2.* of statistics XML
1346 xpathObj = xmlXPathEvalExpression(BAD_CAST "/isc/bind/statistics", xpathCtx);
1347 if (xpathObj == NULL) {
1348 ERROR("bind plugin: Cannot find the <statistics> tag.");
1349 xmlXPathFreeContext(xpathCtx);
1352 } else if (xpathObj->nodesetval == NULL) {
1353 ERROR("bind plugin: xmlXPathEvalExpression failed.");
1354 xmlXPathFreeObject(xpathObj);
1355 xmlXPathFreeContext(xpathCtx);
1360 for (int i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
1363 int parsed_version = 0;
1365 node = xpathObj->nodesetval->nodeTab[i];
1366 assert(node != NULL);
1368 attr_version = (char *)xmlGetProp(node, BAD_CAST "version");
1369 if (attr_version == NULL) {
1370 NOTICE("bind plugin: Found <statistics> tag doesn't have a "
1371 "`version' attribute.");
1374 DEBUG("bind plugin: Found: <statistics version=\"%s\">", attr_version);
1376 /* At the time this plugin was written, version "1.0" was used by
1377 * BIND 9.5.0, version "2.0" was used by BIND 9.5.1 and 9.6.0. We assume
1378 * that "1.*" and "2.*" don't introduce structural changes, so we just
1379 * check for the first two characters here. */
1380 if (strncmp("1.", attr_version, strlen("1.")) == 0)
1382 else if (strncmp("2.", attr_version, strlen("2.")) == 0)
1385 /* TODO: Use the complaint mechanism here. */
1386 NOTICE("bind plugin: Found <statistics> tag with version `%s'. "
1387 "Unfortunately I have no clue how to parse that. "
1388 "Please open a bug report for this.",
1390 xmlFree(attr_version);
1394 ret = bind_xml_stats(parsed_version, doc, xpathCtx, node);
1396 xmlFree(attr_version);
1397 /* One <statistics> node ought to be enough. */
1401 xmlXPathFreeObject(xpathObj);
1402 xmlXPathFreeContext(xpathCtx);
1406 } /* }}} int bind_xml */
1408 static int bind_config_set_bool(const char *name, int *var, /* {{{ */
1409 oconfig_item_t *ci) {
1410 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
1411 WARNING("bind plugin: The `%s' option needs "
1412 "exactly one boolean argument.",
1417 if (ci->values[0].value.boolean)
1422 } /* }}} int bind_config_set_bool */
1424 static int bind_config_add_view_zone(cb_view_t *view, /* {{{ */
1425 oconfig_item_t *ci) {
1426 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1427 WARNING("bind plugin: The `Zone' option needs "
1428 "exactly one string argument.");
1432 char **tmp = realloc(view->zones, sizeof(char *) * (view->zones_num + 1));
1434 ERROR("bind plugin: realloc failed.");
1439 view->zones[view->zones_num] = strdup(ci->values[0].value.string);
1440 if (view->zones[view->zones_num] == NULL) {
1441 ERROR("bind plugin: strdup failed.");
1447 } /* }}} int bind_config_add_view_zone */
1449 static int bind_config_add_view(oconfig_item_t *ci) /* {{{ */
1451 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
1452 WARNING("bind plugin: `View' blocks need exactly one string argument.");
1456 cb_view_t *tmp = realloc(views, sizeof(*views) * (views_num + 1));
1458 ERROR("bind plugin: realloc failed.");
1462 tmp = views + views_num;
1464 memset(tmp, 0, sizeof(*tmp));
1466 tmp->resolver_stats = 1;
1467 tmp->cacherrsets = 1;
1471 tmp->name = strdup(ci->values[0].value.string);
1472 if (tmp->name == NULL) {
1473 ERROR("bind plugin: strdup failed.");
1478 for (int i = 0; i < ci->children_num; i++) {
1479 oconfig_item_t *child = ci->children + i;
1481 if (strcasecmp("QTypes", child->key) == 0)
1482 bind_config_set_bool("QTypes", &tmp->qtypes, child);
1483 else if (strcasecmp("ResolverStats", child->key) == 0)
1484 bind_config_set_bool("ResolverStats", &tmp->resolver_stats, child);
1485 else if (strcasecmp("CacheRRSets", child->key) == 0)
1486 bind_config_set_bool("CacheRRSets", &tmp->cacherrsets, child);
1487 else if (strcasecmp("Zone", child->key) == 0)
1488 bind_config_add_view_zone(tmp, child);
1490 WARNING("bind plugin: Unknown configuration option "
1491 "`%s' in view `%s' will be ignored.",
1492 child->key, tmp->name);
1494 } /* for (i = 0; i < ci->children_num; i++) */
1498 } /* }}} int bind_config_add_view */
1500 static int bind_config(oconfig_item_t *ci) /* {{{ */
1502 for (int i = 0; i < ci->children_num; i++) {
1503 oconfig_item_t *child = ci->children + i;
1505 if (strcasecmp("Url", child->key) == 0) {
1506 if ((child->values_num != 1) ||
1507 (child->values[0].type != OCONFIG_TYPE_STRING)) {
1508 WARNING("bind plugin: The `Url' option needs "
1509 "exactly one string argument.");
1514 url = strdup(child->values[0].value.string);
1515 } else if (strcasecmp("OpCodes", child->key) == 0)
1516 bind_config_set_bool("OpCodes", &global_opcodes, child);
1517 else if (strcasecmp("QTypes", child->key) == 0)
1518 bind_config_set_bool("QTypes", &global_qtypes, child);
1519 else if (strcasecmp("ServerStats", child->key) == 0)
1520 bind_config_set_bool("ServerStats", &global_server_stats, child);
1521 else if (strcasecmp("ZoneMaintStats", child->key) == 0)
1522 bind_config_set_bool("ZoneMaintStats", &global_zone_maint_stats, child);
1523 else if (strcasecmp("ResolverStats", child->key) == 0)
1524 bind_config_set_bool("ResolverStats", &global_resolver_stats, child);
1525 else if (strcasecmp("MemoryStats", child->key) == 0)
1526 bind_config_set_bool("MemoryStats", &global_memory_stats, child);
1527 else if (strcasecmp("View", child->key) == 0)
1528 bind_config_add_view(child);
1529 else if (strcasecmp("ParseTime", child->key) == 0)
1530 cf_util_get_boolean(child, &config_parse_time);
1531 else if (strcasecmp("Timeout", child->key) == 0)
1532 cf_util_get_int(child, &timeout);
1534 WARNING("bind plugin: Unknown configuration option "
1535 "`%s' will be ignored.",
1541 } /* }}} int bind_config */
1543 static int bind_init(void) /* {{{ */
1548 curl = curl_easy_init();
1550 ERROR("bind plugin: bind_init: curl_easy_init failed.");
1554 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
1555 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, bind_curl_callback);
1556 curl_easy_setopt(curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
1557 curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, bind_curl_error);
1558 curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
1559 curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 50L);
1560 #ifdef HAVE_CURLOPT_TIMEOUT_MS
1561 curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS,
1562 (timeout >= 0) ? (long)timeout : (long)CDTIME_T_TO_MS(
1563 plugin_get_interval()));
1567 } /* }}} int bind_init */
1569 static int bind_read(void) /* {{{ */
1572 ERROR("bind plugin: I don't have a CURL object.");
1576 bind_buffer_fill = 0;
1578 curl_easy_setopt(curl, CURLOPT_URL, (url != NULL) ? url : BIND_DEFAULT_URL);
1580 if (curl_easy_perform(curl) != CURLE_OK) {
1581 ERROR("bind plugin: curl_easy_perform failed: %s", bind_curl_error);
1585 int status = bind_xml(bind_buffer);
1590 } /* }}} int bind_read */
1592 static int bind_shutdown(void) /* {{{ */
1595 curl_easy_cleanup(curl);
1600 } /* }}} int bind_shutdown */
1602 void module_register(void) {
1603 plugin_register_complex_config("bind", bind_config);
1604 plugin_register_init("bind", bind_init);
1605 plugin_register_read("bind", bind_read);
1606 plugin_register_shutdown("bind", bind_shutdown);
1607 } /* void module_register */