2 * Copyright (C) 2008-2011 Internet Systems Consortium, Inc. ("ISC")
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
17 /* $Id: statschannel.c,v 1.26.150.2 2011-03-12 04:59:14 tbox Exp $ */
23 #include <isc/buffer.h>
24 #include <isc/httpd.h>
27 #include <isc/print.h>
28 #include <isc/socket.h>
29 #include <isc/stats.h>
32 #include <dns/cache.h>
34 #include <dns/opcode.h>
35 #include <dns/resolver.h>
36 #include <dns/rdataclass.h>
37 #include <dns/rdatatype.h>
38 #include <dns/stats.h>
42 #include <named/log.h>
43 #include <named/server.h>
44 #include <named/statschannel.h>
46 #include "bind9.xsl.h"
48 struct ns_statschannel {
50 isc_httpdmgr_t *httpdmgr;
51 isc_sockaddr_t address;
55 * Locked by channel lock: can be referenced and modified by both
56 * the server task and the channel task.
61 /* Locked by server task */
62 ISC_LINK(struct ns_statschannel) link;
65 typedef enum { statsformat_file, statsformat_xml } statsformat_t;
70 void *arg; /* type dependent argument */
71 int ncounters; /* used for general statistics */
72 int *counterindices; /* used for general statistics */
73 isc_uint64_t *countervalues; /* used for general statistics */
77 static isc_once_t once = ISC_ONCE_INIT;
80 * Statistics descriptions. These could be statistically initialized at
81 * compile time, but we configure them run time in the init_desc() function
82 * below so that they'll be less susceptible to counter name changes.
84 static const char *nsstats_desc[dns_nsstatscounter_max];
85 static const char *resstats_desc[dns_resstatscounter_max];
86 static const char *zonestats_desc[dns_zonestatscounter_max];
87 static const char *sockstats_desc[isc_sockstatscounter_max];
89 static const char *nsstats_xmldesc[dns_nsstatscounter_max];
90 static const char *resstats_xmldesc[dns_resstatscounter_max];
91 static const char *zonestats_xmldesc[dns_zonestatscounter_max];
92 static const char *sockstats_xmldesc[isc_sockstatscounter_max];
94 #define nsstats_xmldesc NULL
95 #define resstats_xmldesc NULL
96 #define zonestats_xmldesc NULL
97 #define sockstats_xmldesc NULL
98 #endif /* HAVE_LIBXML2 */
100 #define TRY0(a) do { xmlrc = (a); if (xmlrc < 0) goto error; } while(0)
103 * Mapping arrays to represent statistics counters in the order of our
104 * preference, regardless of the order of counter indices. For example,
105 * nsstats_desc[nsstats_index[0]] will be the description that is shown first.
107 static int nsstats_index[dns_nsstatscounter_max];
108 static int resstats_index[dns_resstatscounter_max];
109 static int zonestats_index[dns_zonestatscounter_max];
110 static int sockstats_index[isc_sockstatscounter_max];
113 set_desc(int counter, int maxcounter, const char *fdesc, const char **fdescs,
114 const char *xdesc, const char **xdescs)
116 REQUIRE(counter < maxcounter);
117 REQUIRE(fdescs[counter] == NULL);
119 REQUIRE(xdescs[counter] == NULL);
122 fdescs[counter] = fdesc;
124 xdescs[counter] = xdesc;
135 /* Initialize name server statistics */
136 for (i = 0; i < dns_nsstatscounter_max; i++)
137 nsstats_desc[i] = NULL;
139 for (i = 0; i < dns_nsstatscounter_max; i++)
140 nsstats_xmldesc[i] = NULL;
143 #define SET_NSSTATDESC(counterid, desc, xmldesc) \
145 set_desc(dns_nsstatscounter_ ## counterid, \
146 dns_nsstatscounter_max, \
147 desc, nsstats_desc, xmldesc, nsstats_xmldesc); \
148 nsstats_index[i++] = dns_nsstatscounter_ ## counterid; \
152 SET_NSSTATDESC(requestv4, "IPv4 requests received", "Requestv4");
153 SET_NSSTATDESC(requestv6, "IPv6 requests received", "Requestv6");
154 SET_NSSTATDESC(edns0in, "requests with EDNS(0) received", "ReqEdns0");
155 SET_NSSTATDESC(badednsver,
156 "requests with unsupported EDNS version received",
158 SET_NSSTATDESC(tsigin, "requests with TSIG received", "ReqTSIG");
159 SET_NSSTATDESC(sig0in, "requests with SIG(0) received", "ReqSIG0");
160 SET_NSSTATDESC(invalidsig, "requests with invalid signature",
162 SET_NSSTATDESC(tcp, "TCP requests received", "ReqTCP");
163 SET_NSSTATDESC(authrej, "auth queries rejected", "AuthQryRej");
164 SET_NSSTATDESC(recurserej, "recursive queries rejected", "RecQryRej");
165 SET_NSSTATDESC(xfrrej, "transfer requests rejected", "XfrRej");
166 SET_NSSTATDESC(updaterej, "update requests rejected", "UpdateRej");
167 SET_NSSTATDESC(response, "responses sent", "Response");
168 SET_NSSTATDESC(truncatedresp, "truncated responses sent",
170 SET_NSSTATDESC(edns0out, "responses with EDNS(0) sent", "RespEDNS0");
171 SET_NSSTATDESC(tsigout, "responses with TSIG sent", "RespTSIG");
172 SET_NSSTATDESC(sig0out, "responses with SIG(0) sent", "RespSIG0");
173 SET_NSSTATDESC(success, "queries resulted in successful answer",
175 SET_NSSTATDESC(authans, "queries resulted in authoritative answer",
177 SET_NSSTATDESC(nonauthans,
178 "queries resulted in non authoritative answer",
180 SET_NSSTATDESC(referral, "queries resulted in referral answer",
182 SET_NSSTATDESC(nxrrset, "queries resulted in nxrrset", "QryNxrrset");
183 SET_NSSTATDESC(servfail, "queries resulted in SERVFAIL", "QrySERVFAIL");
184 SET_NSSTATDESC(formerr, "queries resulted in FORMERR", "QryFORMERR");
185 SET_NSSTATDESC(nxdomain, "queries resulted in NXDOMAIN", "QryNXDOMAIN");
186 SET_NSSTATDESC(recursion, "queries caused recursion","QryRecursion");
187 SET_NSSTATDESC(duplicate, "duplicate queries received", "QryDuplicate");
188 SET_NSSTATDESC(dropped, "queries dropped", "QryDropped");
189 SET_NSSTATDESC(failure, "other query failures", "QryFailure");
190 SET_NSSTATDESC(xfrdone, "requested transfers completed", "XfrReqDone");
191 SET_NSSTATDESC(updatereqfwd, "update requests forwarded",
193 SET_NSSTATDESC(updaterespfwd, "update responses forwarded",
195 SET_NSSTATDESC(updatefwdfail, "update forward failed", "UpdateFwdFail");
196 SET_NSSTATDESC(updatedone, "updates completed", "UpdateDone");
197 SET_NSSTATDESC(updatefail, "updates failed", "UpdateFail");
198 SET_NSSTATDESC(updatebadprereq,
199 "updates rejected due to prerequisite failure",
201 INSIST(i == dns_nsstatscounter_max);
203 /* Initialize resolver statistics */
204 for (i = 0; i < dns_resstatscounter_max; i++)
205 resstats_desc[i] = NULL;
207 for (i = 0; i < dns_resstatscounter_max; i++)
208 resstats_xmldesc[i] = NULL;
211 #define SET_RESSTATDESC(counterid, desc, xmldesc) \
213 set_desc(dns_resstatscounter_ ## counterid, \
214 dns_resstatscounter_max, \
215 desc, resstats_desc, xmldesc, resstats_xmldesc); \
216 resstats_index[i++] = dns_resstatscounter_ ## counterid; \
220 SET_RESSTATDESC(queryv4, "IPv4 queries sent", "Queryv4");
221 SET_RESSTATDESC(queryv6, "IPv6 queries sent", "Queryv6");
222 SET_RESSTATDESC(responsev4, "IPv4 responses received", "Responsev4");
223 SET_RESSTATDESC(responsev6, "IPv6 responses received", "Responsev6");
224 SET_RESSTATDESC(nxdomain, "NXDOMAIN received", "NXDOMAIN");
225 SET_RESSTATDESC(servfail, "SERVFAIL received", "SERVFAIL");
226 SET_RESSTATDESC(formerr, "FORMERR received", "FORMERR");
227 SET_RESSTATDESC(othererror, "other errors received", "OtherError");
228 SET_RESSTATDESC(edns0fail, "EDNS(0) query failures", "EDNS0Fail");
229 SET_RESSTATDESC(mismatch, "mismatch responses received", "Mismatch");
230 SET_RESSTATDESC(truncated, "truncated responses received", "Truncated");
231 SET_RESSTATDESC(lame, "lame delegations received", "Lame");
232 SET_RESSTATDESC(retry, "query retries", "Retry");
233 SET_RESSTATDESC(dispabort, "queries aborted due to quota",
235 SET_RESSTATDESC(dispsockfail, "failures in opening query sockets",
237 SET_RESSTATDESC(querytimeout, "query timeouts", "QueryTimeout");
238 SET_RESSTATDESC(gluefetchv4, "IPv4 NS address fetches", "GlueFetchv4");
239 SET_RESSTATDESC(gluefetchv6, "IPv6 NS address fetches", "GlueFetchv6");
240 SET_RESSTATDESC(gluefetchv4fail, "IPv4 NS address fetch failed",
242 SET_RESSTATDESC(gluefetchv6fail, "IPv6 NS address fetch failed",
244 SET_RESSTATDESC(val, "DNSSEC validation attempted", "ValAttempt");
245 SET_RESSTATDESC(valsuccess, "DNSSEC validation succeeded", "ValOk");
246 SET_RESSTATDESC(valnegsuccess, "DNSSEC NX validation succeeded",
248 SET_RESSTATDESC(valfail, "DNSSEC validation failed", "ValFail");
249 SET_RESSTATDESC(queryrtt0, "queries with RTT < "
250 DNS_RESOLVER_QRYRTTCLASS0STR "ms",
251 "QryRTT" DNS_RESOLVER_QRYRTTCLASS0STR);
252 SET_RESSTATDESC(queryrtt1, "queries with RTT "
253 DNS_RESOLVER_QRYRTTCLASS0STR "-"
254 DNS_RESOLVER_QRYRTTCLASS1STR "ms",
255 "QryRTT" DNS_RESOLVER_QRYRTTCLASS1STR);
256 SET_RESSTATDESC(queryrtt2, "queries with RTT "
257 DNS_RESOLVER_QRYRTTCLASS1STR "-"
258 DNS_RESOLVER_QRYRTTCLASS2STR "ms",
259 "QryRTT" DNS_RESOLVER_QRYRTTCLASS2STR);
260 SET_RESSTATDESC(queryrtt3, "queries with RTT "
261 DNS_RESOLVER_QRYRTTCLASS2STR "-"
262 DNS_RESOLVER_QRYRTTCLASS3STR "ms",
263 "QryRTT" DNS_RESOLVER_QRYRTTCLASS3STR);
264 SET_RESSTATDESC(queryrtt4, "queries with RTT "
265 DNS_RESOLVER_QRYRTTCLASS3STR "-"
266 DNS_RESOLVER_QRYRTTCLASS4STR "ms",
267 "QryRTT" DNS_RESOLVER_QRYRTTCLASS4STR);
268 SET_RESSTATDESC(queryrtt5, "queries with RTT > "
269 DNS_RESOLVER_QRYRTTCLASS4STR "ms",
270 "QryRTT" DNS_RESOLVER_QRYRTTCLASS4STR "+");
271 INSIST(i == dns_resstatscounter_max);
273 /* Initialize zone statistics */
274 for (i = 0; i < dns_zonestatscounter_max; i++)
275 zonestats_desc[i] = NULL;
277 for (i = 0; i < dns_zonestatscounter_max; i++)
278 zonestats_xmldesc[i] = NULL;
281 #define SET_ZONESTATDESC(counterid, desc, xmldesc) \
283 set_desc(dns_zonestatscounter_ ## counterid, \
284 dns_zonestatscounter_max, \
285 desc, zonestats_desc, xmldesc, zonestats_xmldesc); \
286 zonestats_index[i++] = dns_zonestatscounter_ ## counterid; \
290 SET_ZONESTATDESC(notifyoutv4, "IPv4 notifies sent", "NotifyOutv4");
291 SET_ZONESTATDESC(notifyoutv6, "IPv6 notifies sent", "NotifyOutv6");
292 SET_ZONESTATDESC(notifyinv4, "IPv4 notifies received", "NotifyInv4");
293 SET_ZONESTATDESC(notifyinv6, "IPv6 notifies received", "NotifyInv6");
294 SET_ZONESTATDESC(notifyrej, "notifies rejected", "NotifyRej");
295 SET_ZONESTATDESC(soaoutv4, "IPv4 SOA queries sent", "SOAOutv4");
296 SET_ZONESTATDESC(soaoutv6, "IPv6 SOA queries sent", "SOAOutv6");
297 SET_ZONESTATDESC(axfrreqv4, "IPv4 AXFR requested", "AXFRReqv4");
298 SET_ZONESTATDESC(axfrreqv6, "IPv6 AXFR requested", "AXFRReqv6");
299 SET_ZONESTATDESC(ixfrreqv4, "IPv4 IXFR requested", "IXFRReqv4");
300 SET_ZONESTATDESC(ixfrreqv6, "IPv6 IXFR requested", "IXFRReqv6");
301 SET_ZONESTATDESC(xfrsuccess, "transfer requests succeeded","XfrSuccess");
302 SET_ZONESTATDESC(xfrfail, "transfer requests failed", "XfrFail");
303 INSIST(i == dns_zonestatscounter_max);
305 /* Initialize socket statistics */
306 for (i = 0; i < isc_sockstatscounter_max; i++)
307 sockstats_desc[i] = NULL;
309 for (i = 0; i < isc_sockstatscounter_max; i++)
310 sockstats_xmldesc[i] = NULL;
313 #define SET_SOCKSTATDESC(counterid, desc, xmldesc) \
315 set_desc(isc_sockstatscounter_ ## counterid, \
316 isc_sockstatscounter_max, \
317 desc, sockstats_desc, xmldesc, sockstats_xmldesc); \
318 sockstats_index[i++] = isc_sockstatscounter_ ## counterid; \
322 SET_SOCKSTATDESC(udp4open, "UDP/IPv4 sockets opened", "UDP4Open");
323 SET_SOCKSTATDESC(udp6open, "UDP/IPv6 sockets opened", "UDP6Open");
324 SET_SOCKSTATDESC(tcp4open, "TCP/IPv4 sockets opened", "TCP4Open");
325 SET_SOCKSTATDESC(tcp6open, "TCP/IPv6 sockets opened", "TCP6Open");
326 SET_SOCKSTATDESC(unixopen, "Unix domain sockets opened", "UnixOpen");
327 SET_SOCKSTATDESC(udp4openfail, "UDP/IPv4 socket open failures",
329 SET_SOCKSTATDESC(udp6openfail, "UDP/IPv6 socket open failures",
331 SET_SOCKSTATDESC(tcp4openfail, "TCP/IPv4 socket open failures",
333 SET_SOCKSTATDESC(tcp6openfail, "TCP/IPv6 socket open failures",
335 SET_SOCKSTATDESC(unixopenfail, "Unix domain socket open failures",
337 SET_SOCKSTATDESC(udp4close, "UDP/IPv4 sockets closed", "UDP4Close");
338 SET_SOCKSTATDESC(udp6close, "UDP/IPv6 sockets closed", "UDP6Close");
339 SET_SOCKSTATDESC(tcp4close, "TCP/IPv4 sockets closed", "TCP4Close");
340 SET_SOCKSTATDESC(tcp6close, "TCP/IPv6 sockets closed", "TCP6Close");
341 SET_SOCKSTATDESC(unixclose, "Unix domain sockets closed", "UnixClose");
342 SET_SOCKSTATDESC(fdwatchclose, "FDwatch sockets closed",
344 SET_SOCKSTATDESC(udp4bindfail, "UDP/IPv4 socket bind failures",
346 SET_SOCKSTATDESC(udp6bindfail, "UDP/IPv6 socket bind failures",
348 SET_SOCKSTATDESC(tcp4bindfail, "TCP/IPv4 socket bind failures",
350 SET_SOCKSTATDESC(tcp6bindfail, "TCP/IPv6 socket bind failures",
352 SET_SOCKSTATDESC(unixbindfail, "Unix domain socket bind failures",
354 SET_SOCKSTATDESC(fdwatchbindfail, "FDwatch socket bind failures",
356 SET_SOCKSTATDESC(udp4connectfail, "UDP/IPv4 socket connect failures",
358 SET_SOCKSTATDESC(udp6connectfail, "UDP/IPv6 socket connect failures",
360 SET_SOCKSTATDESC(tcp4connectfail, "TCP/IPv4 socket connect failures",
362 SET_SOCKSTATDESC(tcp6connectfail, "TCP/IPv6 socket connect failures",
364 SET_SOCKSTATDESC(unixconnectfail, "Unix domain socket connect failures",
366 SET_SOCKSTATDESC(fdwatchconnectfail, "FDwatch socket connect failures",
368 SET_SOCKSTATDESC(udp4connect, "UDP/IPv4 connections established",
370 SET_SOCKSTATDESC(udp6connect, "UDP/IPv6 connections established",
372 SET_SOCKSTATDESC(tcp4connect, "TCP/IPv4 connections established",
374 SET_SOCKSTATDESC(tcp6connect, "TCP/IPv6 connections established",
376 SET_SOCKSTATDESC(unixconnect, "Unix domain connections established",
378 SET_SOCKSTATDESC(fdwatchconnect,
379 "FDwatch domain connections established",
381 SET_SOCKSTATDESC(tcp4acceptfail, "TCP/IPv4 connection accept failures",
383 SET_SOCKSTATDESC(tcp6acceptfail, "TCP/IPv6 connection accept failures",
385 SET_SOCKSTATDESC(unixacceptfail,
386 "Unix domain connection accept failures",
388 SET_SOCKSTATDESC(tcp4accept, "TCP/IPv4 connections accepted",
390 SET_SOCKSTATDESC(tcp6accept, "TCP/IPv6 connections accepted",
392 SET_SOCKSTATDESC(unixaccept, "Unix domain connections accepted",
394 SET_SOCKSTATDESC(udp4sendfail, "UDP/IPv4 send errors", "UDP4SendErr");
395 SET_SOCKSTATDESC(udp6sendfail, "UDP/IPv6 send errors", "UDP6SendErr");
396 SET_SOCKSTATDESC(tcp4sendfail, "TCP/IPv4 send errors", "TCP4SendErr");
397 SET_SOCKSTATDESC(tcp6sendfail, "TCP/IPv6 send errors", "TCP6SendErr");
398 SET_SOCKSTATDESC(unixsendfail, "Unix domain send errors",
400 SET_SOCKSTATDESC(fdwatchsendfail, "FDwatch send errors",
402 SET_SOCKSTATDESC(udp4recvfail, "UDP/IPv4 recv errors", "UDP4RecvErr");
403 SET_SOCKSTATDESC(udp6recvfail, "UDP/IPv6 recv errors", "UDP6RecvErr");
404 SET_SOCKSTATDESC(tcp4recvfail, "TCP/IPv4 recv errors", "TCP4RecvErr");
405 SET_SOCKSTATDESC(tcp6recvfail, "TCP/IPv6 recv errors", "TCP6RecvErr");
406 SET_SOCKSTATDESC(unixrecvfail, "Unix domain recv errors",
408 SET_SOCKSTATDESC(fdwatchrecvfail, "FDwatch recv errors",
410 INSIST(i == isc_sockstatscounter_max);
413 for (i = 0; i < dns_nsstatscounter_max; i++)
414 INSIST(nsstats_desc[i] != NULL);
415 for (i = 0; i < dns_resstatscounter_max; i++)
416 INSIST(resstats_desc[i] != NULL);
417 for (i = 0; i < dns_zonestatscounter_max; i++)
418 INSIST(zonestats_desc[i] != NULL);
419 for (i = 0; i < isc_sockstatscounter_max; i++)
420 INSIST(sockstats_desc[i] != NULL);
422 for (i = 0; i < dns_nsstatscounter_max; i++)
423 INSIST(nsstats_xmldesc[i] != NULL);
424 for (i = 0; i < dns_resstatscounter_max; i++)
425 INSIST(resstats_xmldesc[i] != NULL);
426 for (i = 0; i < dns_zonestatscounter_max; i++)
427 INSIST(zonestats_xmldesc[i] != NULL);
428 for (i = 0; i < isc_sockstatscounter_max; i++)
429 INSIST(sockstats_xmldesc[i] != NULL);
434 * Dump callback functions.
437 generalstat_dump(isc_statscounter_t counter, isc_uint64_t val, void *arg) {
438 stats_dumparg_t *dumparg = arg;
440 REQUIRE(counter < dumparg->ncounters);
441 dumparg->countervalues[counter] = val;
445 dump_counters(isc_stats_t *stats, statsformat_t type, void *arg,
446 const char *category, const char **desc, int ncounters,
447 int *indices, isc_uint64_t *values, int options)
451 stats_dumparg_t dumparg;
454 xmlTextWriterPtr writer;
463 dumparg.ncounters = ncounters;
464 dumparg.counterindices = indices;
465 dumparg.countervalues = values;
467 memset(values, 0, sizeof(values[0]) * ncounters);
468 isc_stats_dump(stats, generalstat_dump, &dumparg, options);
470 for (i = 0; i < ncounters; i++) {
472 value = values[index];
474 if (value == 0 && (options & ISC_STATSDUMP_VERBOSE) == 0)
477 switch (dumparg.type) {
478 case statsformat_file:
480 fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n",
483 case statsformat_xml:
487 if (category != NULL) {
488 TRY0(xmlTextWriterStartElement(writer,
491 TRY0(xmlTextWriterStartElement(writer,
494 TRY0(xmlTextWriterWriteString(writer,
497 TRY0(xmlTextWriterEndElement(writer)); /* name */
499 TRY0(xmlTextWriterStartElement(writer,
503 TRY0(xmlTextWriterStartElement(writer,
507 TRY0(xmlTextWriterWriteFormatString(writer,
511 TRY0(xmlTextWriterEndElement(writer)); /* counter */
512 if (category != NULL)
513 TRY0(xmlTextWriterEndElement(writer)); /* category */
518 return (ISC_R_SUCCESS);
521 return (ISC_R_FAILURE);
526 rdtypestat_dump(dns_rdatastatstype_t type, isc_uint64_t val, void *arg) {
529 stats_dumparg_t *dumparg = arg;
532 xmlTextWriterPtr writer;
536 if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_OTHERTYPE)
538 dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf,
544 switch (dumparg->type) {
545 case statsformat_file:
547 fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, typestr);
549 case statsformat_xml:
551 writer = dumparg->arg;
553 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "rdtype"));
555 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"));
556 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR typestr));
557 TRY0(xmlTextWriterEndElement(writer)); /* name */
559 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter"));
560 TRY0(xmlTextWriterWriteFormatString(writer,
561 "%" ISC_PRINT_QUADFORMAT "u",
563 TRY0(xmlTextWriterEndElement(writer)); /* counter */
565 TRY0(xmlTextWriterEndElement(writer)); /* rdtype */
572 dumparg->result = ISC_R_FAILURE;
578 rdatasetstats_dump(dns_rdatastatstype_t type, isc_uint64_t val, void *arg) {
579 stats_dumparg_t *dumparg = arg;
583 isc_boolean_t nxrrset = ISC_FALSE;
585 xmlTextWriterPtr writer;
589 if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_NXDOMAIN)
591 typestr = "NXDOMAIN";
592 } else if ((DNS_RDATASTATSTYPE_ATTR(type) &
593 DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) != 0) {
596 dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf,
601 if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_NXRRSET)
605 switch (dumparg->type) {
606 case statsformat_file:
608 fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s%s\n", val,
609 nxrrset ? "!" : "", typestr);
611 case statsformat_xml:
613 writer = dumparg->arg;
615 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "rrset"));
616 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"));
617 TRY0(xmlTextWriterWriteFormatString(writer, "%s%s",
618 nxrrset ? "!" : "", typestr));
619 TRY0(xmlTextWriterEndElement(writer)); /* name */
621 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter"));
622 TRY0(xmlTextWriterWriteFormatString(writer,
623 "%" ISC_PRINT_QUADFORMAT "u",
625 TRY0(xmlTextWriterEndElement(writer)); /* counter */
627 TRY0(xmlTextWriterEndElement(writer)); /* rrset */
634 dumparg->result = ISC_R_FAILURE;
640 opcodestat_dump(dns_opcode_t code, isc_uint64_t val, void *arg) {
644 stats_dumparg_t *dumparg = arg;
646 xmlTextWriterPtr writer;
650 isc_buffer_init(&b, codebuf, sizeof(codebuf) - 1);
651 dns_opcode_totext(code, &b);
652 codebuf[isc_buffer_usedlength(&b)] = '\0';
654 switch (dumparg->type) {
655 case statsformat_file:
657 fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, codebuf);
659 case statsformat_xml:
661 writer = dumparg->arg;
663 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "opcode"));
665 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"));
666 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR codebuf));
667 TRY0(xmlTextWriterEndElement(writer)); /* name */
669 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter"));
670 TRY0(xmlTextWriterWriteFormatString(writer,
671 "%" ISC_PRINT_QUADFORMAT "u",
673 TRY0(xmlTextWriterEndElement(writer)); /* counter */
675 TRY0(xmlTextWriterEndElement(writer)); /* opcode */
683 dumparg->result = ISC_R_FAILURE;
690 /* XXXMLG below here sucks. */
694 zone_xmlrender(dns_zone_t *zone, void *arg) {
695 char buf[1024 + 32]; /* sufficiently large for zone name and class */
696 dns_rdataclass_t rdclass;
698 xmlTextWriterPtr writer = arg;
699 isc_stats_t *zonestats;
700 isc_uint64_t nsstat_values[dns_nsstatscounter_max];
704 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "zone"));
706 dns_zone_name(zone, buf, sizeof(buf));
707 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"));
708 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR buf));
709 TRY0(xmlTextWriterEndElement(writer));
711 rdclass = dns_zone_getclass(zone);
712 dns_rdataclass_format(rdclass, buf, sizeof(buf));
713 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "rdataclass"));
714 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR buf));
715 TRY0(xmlTextWriterEndElement(writer));
717 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "serial"));
718 if (dns_zone_getserial2(zone, &serial) == ISC_R_SUCCESS)
719 TRY0(xmlTextWriterWriteFormatString(writer, "%u", serial));
721 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR "-"));
722 TRY0(xmlTextWriterEndElement(writer));
724 zonestats = dns_zone_getrequeststats(zone);
725 if (zonestats != NULL) {
726 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters"));
727 result = dump_counters(zonestats, statsformat_xml, writer, NULL,
728 nsstats_xmldesc, dns_nsstatscounter_max,
729 nsstats_index, nsstat_values,
730 ISC_STATSDUMP_VERBOSE);
731 if (result != ISC_R_SUCCESS)
733 TRY0(xmlTextWriterEndElement(writer)); /* counters */
736 TRY0(xmlTextWriterEndElement(writer)); /* zone */
738 return (ISC_R_SUCCESS);
740 return (ISC_R_FAILURE);
744 generatexml(ns_server_t *server, int *buflen, xmlChar **buf) {
745 char boottime[sizeof "yyyy-mm-ddThh:mm:ssZ"];
746 char nowstr[sizeof "yyyy-mm-ddThh:mm:ssZ"];
748 xmlTextWriterPtr writer = NULL;
749 xmlDocPtr doc = NULL;
752 stats_dumparg_t dumparg;
753 dns_stats_t *cachestats;
754 isc_uint64_t nsstat_values[dns_nsstatscounter_max];
755 isc_uint64_t resstat_values[dns_resstatscounter_max];
756 isc_uint64_t zonestat_values[dns_zonestatscounter_max];
757 isc_uint64_t sockstat_values[isc_sockstatscounter_max];
761 isc_time_formatISO8601(&ns_g_boottime, boottime, sizeof boottime);
762 isc_time_formatISO8601(&now, nowstr, sizeof nowstr);
764 writer = xmlNewTextWriterDoc(&doc, 0);
767 TRY0(xmlTextWriterStartDocument(writer, NULL, "UTF-8", NULL));
768 TRY0(xmlTextWriterWritePI(writer, ISC_XMLCHAR "xml-stylesheet",
769 ISC_XMLCHAR "type=\"text/xsl\" href=\"/bind9.xsl\""));
770 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "isc"));
771 TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version",
774 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "bind"));
775 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "statistics"));
776 TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version",
779 /* Set common fields for statistics dump */
780 dumparg.type = statsformat_xml;
781 dumparg.arg = writer;
784 * Start by rendering the views we know of here. For each view we
785 * know of, call its rendering function.
787 view = ISC_LIST_HEAD(server->viewlist);
788 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "views"));
789 while (view != NULL) {
790 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "view"));
792 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"));
793 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR view->name));
794 TRY0(xmlTextWriterEndElement(writer));
796 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "zones"));
797 result = dns_zt_apply(view->zonetable, ISC_TRUE, zone_xmlrender,
799 if (result != ISC_R_SUCCESS)
801 TRY0(xmlTextWriterEndElement(writer));
803 if (view->resquerystats != NULL) {
804 dumparg.result = ISC_R_SUCCESS;
805 dns_rdatatypestats_dump(view->resquerystats,
806 rdtypestat_dump, &dumparg, 0);
807 if (dumparg.result != ISC_R_SUCCESS)
811 if (view->resstats != NULL) {
812 result = dump_counters(view->resstats, statsformat_xml,
815 dns_resstatscounter_max,
816 resstats_index, resstat_values,
817 ISC_STATSDUMP_VERBOSE);
818 if (result != ISC_R_SUCCESS)
822 cachestats = dns_db_getrrsetstats(view->cachedb);
823 if (cachestats != NULL) {
824 TRY0(xmlTextWriterStartElement(writer,
825 ISC_XMLCHAR "cache"));
826 TRY0(xmlTextWriterWriteAttribute(writer,
829 dns_cache_getname(view->cache)));
830 dumparg.result = ISC_R_SUCCESS;
831 dns_rdatasetstats_dump(cachestats, rdatasetstats_dump,
833 if (dumparg.result != ISC_R_SUCCESS)
835 TRY0(xmlTextWriterEndElement(writer)); /* cache */
838 TRY0(xmlTextWriterEndElement(writer)); /* view */
840 view = ISC_LIST_NEXT(view, link);
842 TRY0(xmlTextWriterEndElement(writer)); /* views */
844 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "socketmgr"));
845 isc_socketmgr_renderxml(ns_g_socketmgr, writer);
846 TRY0(xmlTextWriterEndElement(writer)); /* socketmgr */
848 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "taskmgr"));
849 isc_taskmgr_renderxml(ns_g_taskmgr, writer);
850 TRY0(xmlTextWriterEndElement(writer)); /* taskmgr */
852 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "server"));
853 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "boot-time"));
854 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR boottime));
855 TRY0(xmlTextWriterEndElement(writer));
856 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "current-time"));
857 TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR nowstr));
858 TRY0(xmlTextWriterEndElement(writer));
860 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "requests"));
861 dumparg.result = ISC_R_SUCCESS;
862 dns_opcodestats_dump(server->opcodestats, opcodestat_dump, &dumparg,
864 if (dumparg.result != ISC_R_SUCCESS)
866 TRY0(xmlTextWriterEndElement(writer)); /* requests */
868 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "queries-in"));
869 dumparg.result = ISC_R_SUCCESS;
870 dns_rdatatypestats_dump(server->rcvquerystats, rdtypestat_dump,
872 if (dumparg.result != ISC_R_SUCCESS)
874 TRY0(xmlTextWriterEndElement(writer)); /* queries-in */
876 result = dump_counters(server->nsstats, statsformat_xml, writer,
877 "nsstat", nsstats_xmldesc,
878 dns_nsstatscounter_max,
879 nsstats_index, nsstat_values,
880 ISC_STATSDUMP_VERBOSE);
881 if (result != ISC_R_SUCCESS)
884 result = dump_counters(server->zonestats, statsformat_xml, writer,
885 "zonestat", zonestats_xmldesc,
886 dns_zonestatscounter_max, zonestats_index,
887 zonestat_values, ISC_STATSDUMP_VERBOSE);
888 if (result != ISC_R_SUCCESS)
892 * Most of the common resolver statistics entries are 0, so we don't
893 * use the verbose dump here.
895 result = dump_counters(server->resolverstats, statsformat_xml, writer,
896 "resstat", resstats_xmldesc,
897 dns_resstatscounter_max, resstats_index,
899 if (result != ISC_R_SUCCESS)
902 result = dump_counters(server->sockstats, statsformat_xml, writer,
903 "sockstat", sockstats_xmldesc,
904 isc_sockstatscounter_max, sockstats_index,
905 sockstat_values, ISC_STATSDUMP_VERBOSE);
906 if (result != ISC_R_SUCCESS)
909 TRY0(xmlTextWriterEndElement(writer)); /* server */
911 TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "memory"));
912 isc_mem_renderxml(writer);
913 TRY0(xmlTextWriterEndElement(writer)); /* memory */
915 TRY0(xmlTextWriterEndElement(writer)); /* statistics */
916 TRY0(xmlTextWriterEndElement(writer)); /* bind */
917 TRY0(xmlTextWriterEndElement(writer)); /* isc */
919 TRY0(xmlTextWriterEndDocument(writer));
921 xmlFreeTextWriter(writer);
923 xmlDocDumpFormatMemoryEnc(doc, buf, buflen, "UTF-8", 1);
925 return (ISC_R_SUCCESS);
929 xmlFreeTextWriter(writer);
932 return (ISC_R_FAILURE);
936 wrap_xmlfree(isc_buffer_t *buffer, void *arg) {
939 xmlFree(isc_buffer_base(buffer));
943 render_index(const char *url, const char *querystring, void *arg,
944 unsigned int *retcode, const char **retmsg, const char **mimetype,
945 isc_buffer_t *b, isc_httpdfree_t **freecb,
950 ns_server_t *server = arg;
956 result = generatexml(server, &msglen, &msg);
958 if (result == ISC_R_SUCCESS) {
961 *mimetype = "text/xml";
962 isc_buffer_reinit(b, msg, msglen);
963 isc_buffer_add(b, msglen);
964 *freecb = wrap_xmlfree;
971 #endif /* HAVE_LIBXML2 */
974 render_xsl(const char *url, const char *querystring, void *args,
975 unsigned int *retcode, const char **retmsg, const char **mimetype,
976 isc_buffer_t *b, isc_httpdfree_t **freecb,
985 *mimetype = "text/xslt+xml";
986 isc_buffer_reinit(b, xslmsg, strlen(xslmsg));
987 isc_buffer_add(b, strlen(xslmsg));
991 return (ISC_R_SUCCESS);
995 shutdown_listener(ns_statschannel_t *listener) {
996 char socktext[ISC_SOCKADDR_FORMATSIZE];
997 isc_sockaddr_format(&listener->address, socktext, sizeof(socktext));
998 isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,NS_LOGMODULE_SERVER,
999 ISC_LOG_NOTICE, "stopping statistics channel on %s",
1002 isc_httpdmgr_shutdown(&listener->httpdmgr);
1005 static isc_boolean_t
1006 client_ok(const isc_sockaddr_t *fromaddr, void *arg) {
1007 ns_statschannel_t *listener = arg;
1008 isc_netaddr_t netaddr;
1009 char socktext[ISC_SOCKADDR_FORMATSIZE];
1012 REQUIRE(listener != NULL);
1014 isc_netaddr_fromsockaddr(&netaddr, fromaddr);
1016 LOCK(&listener->lock);
1017 if (dns_acl_match(&netaddr, NULL, listener->acl, &ns_g_server->aclenv,
1018 &match, NULL) == ISC_R_SUCCESS && match > 0) {
1019 UNLOCK(&listener->lock);
1022 UNLOCK(&listener->lock);
1024 isc_sockaddr_format(fromaddr, socktext, sizeof(socktext));
1025 isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
1026 NS_LOGMODULE_SERVER, ISC_LOG_WARNING,
1027 "rejected statistics connection from %s", socktext);
1033 destroy_listener(void *arg) {
1034 ns_statschannel_t *listener = arg;
1036 REQUIRE(listener != NULL);
1037 REQUIRE(!ISC_LINK_LINKED(listener, link));
1039 /* We don't have to acquire the lock here since it's already unlinked */
1040 dns_acl_detach(&listener->acl);
1042 DESTROYLOCK(&listener->lock);
1043 isc_mem_putanddetach(&listener->mctx, listener, sizeof(*listener));
1047 add_listener(ns_server_t *server, ns_statschannel_t **listenerp,
1048 const cfg_obj_t *listen_params, const cfg_obj_t *config,
1049 isc_sockaddr_t *addr, cfg_aclconfctx_t *aclconfctx,
1050 const char *socktext)
1052 isc_result_t result;
1053 ns_statschannel_t *listener;
1054 isc_task_t *task = NULL;
1055 isc_socket_t *sock = NULL;
1056 const cfg_obj_t *allow;
1057 dns_acl_t *new_acl = NULL;
1059 listener = isc_mem_get(server->mctx, sizeof(*listener));
1060 if (listener == NULL)
1061 return (ISC_R_NOMEMORY);
1063 listener->httpdmgr = NULL;
1064 listener->address = *addr;
1065 listener->acl = NULL;
1066 listener->mctx = NULL;
1067 ISC_LINK_INIT(listener, link);
1069 result = isc_mutex_init(&listener->lock);
1070 if (result != ISC_R_SUCCESS) {
1071 isc_mem_put(server->mctx, listener, sizeof(*listener));
1072 return (ISC_R_FAILURE);
1075 isc_mem_attach(server->mctx, &listener->mctx);
1077 allow = cfg_tuple_get(listen_params, "allow");
1078 if (allow != NULL && cfg_obj_islist(allow)) {
1079 result = cfg_acl_fromconfig(allow, config, ns_g_lctx,
1080 aclconfctx, listener->mctx, 0,
1083 result = dns_acl_any(listener->mctx, &new_acl);
1084 if (result != ISC_R_SUCCESS)
1086 dns_acl_attach(new_acl, &listener->acl);
1087 dns_acl_detach(&new_acl);
1089 result = isc_task_create(ns_g_taskmgr, 0, &task);
1090 if (result != ISC_R_SUCCESS)
1092 isc_task_setname(task, "statchannel", NULL);
1094 result = isc_socket_create(ns_g_socketmgr, isc_sockaddr_pf(addr),
1095 isc_sockettype_tcp, &sock);
1096 if (result != ISC_R_SUCCESS)
1098 isc_socket_setname(sock, "statchannel", NULL);
1100 #ifndef ISC_ALLOW_MAPPED
1101 isc_socket_ipv6only(sock, ISC_TRUE);
1104 result = isc_socket_bind(sock, addr, ISC_SOCKET_REUSEADDRESS);
1105 if (result != ISC_R_SUCCESS)
1108 result = isc_httpdmgr_create(server->mctx, sock, task, client_ok,
1109 destroy_listener, listener, ns_g_timermgr,
1110 &listener->httpdmgr);
1111 if (result != ISC_R_SUCCESS)
1115 isc_httpdmgr_addurl(listener->httpdmgr, "/", render_index, server);
1117 isc_httpdmgr_addurl(listener->httpdmgr, "/bind9.xsl", render_xsl,
1120 *listenerp = listener;
1121 isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
1122 NS_LOGMODULE_SERVER, ISC_LOG_NOTICE,
1123 "statistics channel listening on %s", socktext);
1126 if (result != ISC_R_SUCCESS) {
1127 if (listener->acl != NULL)
1128 dns_acl_detach(&listener->acl);
1129 DESTROYLOCK(&listener->lock);
1130 isc_mem_putanddetach(&listener->mctx, listener,
1134 isc_task_detach(&task);
1136 isc_socket_detach(&sock);
1142 update_listener(ns_server_t *server, ns_statschannel_t **listenerp,
1143 const cfg_obj_t *listen_params, const cfg_obj_t *config,
1144 isc_sockaddr_t *addr, cfg_aclconfctx_t *aclconfctx,
1145 const char *socktext)
1147 ns_statschannel_t *listener;
1148 const cfg_obj_t *allow = NULL;
1149 dns_acl_t *new_acl = NULL;
1150 isc_result_t result = ISC_R_SUCCESS;
1152 for (listener = ISC_LIST_HEAD(server->statschannels);
1154 listener = ISC_LIST_NEXT(listener, link))
1155 if (isc_sockaddr_equal(addr, &listener->address))
1158 if (listener == NULL) {
1164 * Now, keep the old access list unless a new one can be made.
1166 allow = cfg_tuple_get(listen_params, "allow");
1167 if (allow != NULL && cfg_obj_islist(allow)) {
1168 result = cfg_acl_fromconfig(allow, config, ns_g_lctx,
1169 aclconfctx, listener->mctx, 0,
1172 result = dns_acl_any(listener->mctx, &new_acl);
1174 if (result == ISC_R_SUCCESS) {
1175 LOCK(&listener->lock);
1177 dns_acl_detach(&listener->acl);
1178 dns_acl_attach(new_acl, &listener->acl);
1179 dns_acl_detach(&new_acl);
1181 UNLOCK(&listener->lock);
1183 cfg_obj_log(listen_params, ns_g_lctx, ISC_LOG_WARNING,
1184 "couldn't install new acl for "
1185 "statistics channel %s: %s",
1186 socktext, isc_result_totext(result));
1189 *listenerp = listener;
1193 ns_statschannels_configure(ns_server_t *server, const cfg_obj_t *config,
1194 cfg_aclconfctx_t *aclconfctx)
1196 ns_statschannel_t *listener, *listener_next;
1197 ns_statschannellist_t new_listeners;
1198 const cfg_obj_t *statschannellist = NULL;
1199 const cfg_listelt_t *element, *element2;
1200 char socktext[ISC_SOCKADDR_FORMATSIZE];
1202 RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS);
1204 ISC_LIST_INIT(new_listeners);
1207 * Get the list of named.conf 'statistics-channels' statements.
1209 (void)cfg_map_get(config, "statistics-channels", &statschannellist);
1212 * Run through the new address/port list, noting sockets that are
1213 * already being listened on and moving them to the new list.
1215 * Identifying duplicate addr/port combinations is left to either
1216 * the underlying config code, or to the bind attempt getting an
1217 * address-in-use error.
1219 if (statschannellist != NULL) {
1220 #ifndef HAVE_LIBXML2
1221 isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
1222 NS_LOGMODULE_SERVER, ISC_LOG_WARNING,
1223 "statistics-channels specified but not effective "
1224 "due to missing XML library");
1227 for (element = cfg_list_first(statschannellist);
1229 element = cfg_list_next(element)) {
1230 const cfg_obj_t *statschannel;
1231 const cfg_obj_t *listenercfg = NULL;
1233 statschannel = cfg_listelt_value(element);
1234 (void)cfg_map_get(statschannel, "inet",
1236 if (listenercfg == NULL)
1239 for (element2 = cfg_list_first(listenercfg);
1241 element2 = cfg_list_next(element2)) {
1242 const cfg_obj_t *listen_params;
1243 const cfg_obj_t *obj;
1244 isc_sockaddr_t addr;
1246 listen_params = cfg_listelt_value(element2);
1248 obj = cfg_tuple_get(listen_params, "address");
1249 addr = *cfg_obj_assockaddr(obj);
1250 if (isc_sockaddr_getport(&addr) == 0)
1251 isc_sockaddr_setport(&addr, NS_STATSCHANNEL_HTTPPORT);
1253 isc_sockaddr_format(&addr, socktext,
1256 isc_log_write(ns_g_lctx,
1257 NS_LOGCATEGORY_GENERAL,
1258 NS_LOGMODULE_SERVER,
1260 "processing statistics "
1264 update_listener(server, &listener,
1265 listen_params, config, &addr,
1266 aclconfctx, socktext);
1268 if (listener != NULL) {
1270 * Remove the listener from the old
1271 * list, so it won't be shut down.
1273 ISC_LIST_UNLINK(server->statschannels,
1277 * This is a new listener.
1281 r = add_listener(server, &listener,
1282 listen_params, config,
1285 if (r != ISC_R_SUCCESS) {
1286 cfg_obj_log(listen_params,
1289 "couldn't allocate "
1290 "statistics channel"
1293 isc_result_totext(r));
1297 if (listener != NULL)
1298 ISC_LIST_APPEND(new_listeners, listener,
1304 for (listener = ISC_LIST_HEAD(server->statschannels);
1306 listener = listener_next) {
1307 listener_next = ISC_LIST_NEXT(listener, link);
1308 ISC_LIST_UNLINK(server->statschannels, listener, link);
1309 shutdown_listener(listener);
1312 ISC_LIST_APPENDLIST(server->statschannels, new_listeners, link);
1313 return (ISC_R_SUCCESS);
1317 ns_statschannels_shutdown(ns_server_t *server) {
1318 ns_statschannel_t *listener;
1320 while ((listener = ISC_LIST_HEAD(server->statschannels)) != NULL) {
1321 ISC_LIST_UNLINK(server->statschannels, listener, link);
1322 shutdown_listener(listener);
1327 ns_stats_dump(ns_server_t *server, FILE *fp) {
1329 isc_result_t result;
1331 dns_zone_t *zone, *next;
1332 stats_dumparg_t dumparg;
1333 isc_uint64_t nsstat_values[dns_nsstatscounter_max];
1334 isc_uint64_t resstat_values[dns_resstatscounter_max];
1335 isc_uint64_t zonestat_values[dns_zonestatscounter_max];
1336 isc_uint64_t sockstat_values[isc_sockstatscounter_max];
1338 RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS);
1340 /* Set common fields */
1341 dumparg.type = statsformat_file;
1344 isc_stdtime_get(&now);
1345 fprintf(fp, "+++ Statistics Dump +++ (%lu)\n", (unsigned long)now);
1347 fprintf(fp, "++ Incoming Requests ++\n");
1348 dns_opcodestats_dump(server->opcodestats, opcodestat_dump, &dumparg, 0);
1350 fprintf(fp, "++ Incoming Queries ++\n");
1351 dns_rdatatypestats_dump(server->rcvquerystats, rdtypestat_dump,
1354 fprintf(fp, "++ Outgoing Queries ++\n");
1355 for (view = ISC_LIST_HEAD(server->viewlist);
1357 view = ISC_LIST_NEXT(view, link)) {
1358 if (view->resquerystats == NULL)
1360 if (strcmp(view->name, "_default") == 0)
1361 fprintf(fp, "[View: default]\n");
1363 fprintf(fp, "[View: %s]\n", view->name);
1364 dns_rdatatypestats_dump(view->resquerystats, rdtypestat_dump,
1368 fprintf(fp, "++ Name Server Statistics ++\n");
1369 (void) dump_counters(server->nsstats, statsformat_file, fp, NULL,
1370 nsstats_desc, dns_nsstatscounter_max,
1371 nsstats_index, nsstat_values, 0);
1373 fprintf(fp, "++ Zone Maintenance Statistics ++\n");
1374 (void) dump_counters(server->zonestats, statsformat_file, fp, NULL,
1375 zonestats_desc, dns_zonestatscounter_max,
1376 zonestats_index, zonestat_values, 0);
1378 fprintf(fp, "++ Resolver Statistics ++\n");
1379 fprintf(fp, "[Common]\n");
1380 (void) dump_counters(server->resolverstats, statsformat_file, fp, NULL,
1381 resstats_desc, dns_resstatscounter_max,
1382 resstats_index, resstat_values, 0);
1383 for (view = ISC_LIST_HEAD(server->viewlist);
1385 view = ISC_LIST_NEXT(view, link)) {
1386 if (view->resstats == NULL)
1388 if (strcmp(view->name, "_default") == 0)
1389 fprintf(fp, "[View: default]\n");
1391 fprintf(fp, "[View: %s]\n", view->name);
1392 (void) dump_counters(view->resstats, statsformat_file, fp, NULL,
1393 resstats_desc, dns_resstatscounter_max,
1394 resstats_index, resstat_values, 0);
1397 fprintf(fp, "++ Cache DB RRsets ++\n");
1398 for (view = ISC_LIST_HEAD(server->viewlist);
1400 view = ISC_LIST_NEXT(view, link)) {
1401 dns_stats_t *cachestats;
1403 cachestats = dns_db_getrrsetstats(view->cachedb);
1404 if (cachestats == NULL)
1406 if (strcmp(view->name, "_default") == 0)
1407 fprintf(fp, "[View: default]\n");
1409 fprintf(fp, "[View: %s (Cache: %s)]\n", view->name,
1410 dns_cache_getname(view->cache));
1411 if (dns_view_iscacheshared(view)) {
1413 * Avoid dumping redundant statistics when the cache is
1418 dns_rdatasetstats_dump(cachestats, rdatasetstats_dump, &dumparg,
1422 fprintf(fp, "++ Socket I/O Statistics ++\n");
1423 (void) dump_counters(server->sockstats, statsformat_file, fp, NULL,
1424 sockstats_desc, isc_sockstatscounter_max,
1425 sockstats_index, sockstat_values, 0);
1427 fprintf(fp, "++ Per Zone Query Statistics ++\n");
1429 for (result = dns_zone_first(server->zonemgr, &zone);
1430 result == ISC_R_SUCCESS;
1431 next = NULL, result = dns_zone_next(zone, &next), zone = next)
1433 isc_stats_t *zonestats = dns_zone_getrequeststats(zone);
1434 if (zonestats != NULL) {
1435 char zonename[DNS_NAME_FORMATSIZE];
1437 dns_name_format(dns_zone_getorigin(zone),
1438 zonename, sizeof(zonename));
1439 view = dns_zone_getview(zone);
1441 fprintf(fp, "[%s", zonename);
1442 if (strcmp(view->name, "_default") != 0)
1443 fprintf(fp, " (view: %s)", view->name);
1446 (void) dump_counters(zonestats, statsformat_file, fp,
1448 dns_nsstatscounter_max,
1449 nsstats_index, nsstat_values, 0);
1453 fprintf(fp, "--- Statistics Dump --- (%lu)\n", (unsigned long)now);
1455 return (ISC_R_SUCCESS); /* this function currently always succeeds */