diff options
Diffstat (limited to '')
| -rw-r--r-- | bin/named/statschannel.c | 4224 |
1 files changed, 4224 insertions, 0 deletions
diff --git a/bin/named/statschannel.c b/bin/named/statschannel.c new file mode 100644 index 0000000..ff3deab --- /dev/null +++ b/bin/named/statschannel.c @@ -0,0 +1,4224 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +/*! \file */ + +#include <inttypes.h> +#include <stdbool.h> + +#include <isc/buffer.h> +#include <isc/httpd.h> +#include <isc/mem.h> +#include <isc/once.h> +#include <isc/print.h> +#include <isc/socket.h> +#include <isc/stats.h> +#include <isc/string.h> +#include <isc/task.h> +#include <isc/util.h> + +#include <dns/cache.h> +#include <dns/db.h> +#include <dns/opcode.h> +#include <dns/rcode.h> +#include <dns/rdataclass.h> +#include <dns/rdatatype.h> +#include <dns/resolver.h> +#include <dns/stats.h> +#include <dns/view.h> +#include <dns/zt.h> + +#include <ns/stats.h> + +#include <named/log.h> +#include <named/server.h> +#include <named/statschannel.h> + +#if HAVE_JSON_C +#include <json_object.h> +#include <linkhash.h> +#endif /* HAVE_JSON_C */ + +#if HAVE_LIBXML2 +#include <libxml/xmlwriter.h> +#define ISC_XMLCHAR (const xmlChar *) +#endif /* HAVE_LIBXML2 */ + +#include "bind9.xsl.h" + +#define CHECK(m) \ + do { \ + result = (m); \ + if (result != ISC_R_SUCCESS) \ + goto error; \ + } while (0) + +struct named_statschannel { + /* Unlocked */ + isc_httpdmgr_t *httpdmgr; + isc_sockaddr_t address; + isc_mem_t *mctx; + + /* + * Locked by channel lock: can be referenced and modified by both + * the server task and the channel task. + */ + isc_mutex_t lock; + dns_acl_t *acl; + + /* Locked by server task */ + ISC_LINK(struct named_statschannel) link; +}; + +typedef struct stats_dumparg { + isc_statsformat_t type; + void *arg; /* type dependent argument */ + int ncounters; /* for general statistics */ + int *counterindices; /* for general statistics */ + uint64_t *countervalues; /* for general statistics */ + isc_result_t result; +} stats_dumparg_t; + +static isc_once_t once = ISC_ONCE_INIT; + +#if defined(HAVE_LIBXML2) || defined(HAVE_JSON_C) +#define EXTENDED_STATS +#else /* if defined(HAVE_LIBXML2) || defined(HAVE_JSON_C) */ +#undef EXTENDED_STATS +#endif /* if defined(HAVE_LIBXML2) || defined(HAVE_JSON_C) */ + +#ifdef EXTENDED_STATS +static const char * +user_zonetype(dns_zone_t *zone) { + dns_zonetype_t ztype; + dns_view_t *view; + static const struct zt { + const dns_zonetype_t type; + const char *const string; + } typemap[] = { { dns_zone_none, "none" }, + { dns_zone_primary, "master" }, + { dns_zone_secondary, "slave" }, + { dns_zone_mirror, "mirror" }, + { dns_zone_stub, "stub" }, + { dns_zone_staticstub, "static-stub" }, + { dns_zone_key, "key" }, + { dns_zone_dlz, "dlz" }, + { dns_zone_redirect, "redirect" }, + { 0, NULL } }; + const struct zt *tp; + + if ((dns_zone_getoptions(zone) & DNS_ZONEOPT_AUTOEMPTY) != 0) { + return ("builtin"); + } + + view = dns_zone_getview(zone); + if (view != NULL && strcmp(view->name, "_bind") == 0) { + return ("builtin"); + } + + ztype = dns_zone_gettype(zone); + for (tp = typemap; tp->string != NULL && tp->type != ztype; tp++) { + /* empty */ + } + return (tp->string); +} +#endif /* ifdef EXTENDED_STATS */ + +/*% + * Statistics descriptions. These could be statistically initialized at + * compile time, but we configure them run time in the init_desc() function + * below so that they'll be less susceptible to counter name changes. + */ +static const char *nsstats_desc[ns_statscounter_max]; +static const char *resstats_desc[dns_resstatscounter_max]; +static const char *adbstats_desc[dns_adbstats_max]; +static const char *zonestats_desc[dns_zonestatscounter_max]; +static const char *sockstats_desc[isc_sockstatscounter_max]; +static const char *dnssecstats_desc[dns_dnssecstats_max]; +static const char *udpinsizestats_desc[dns_sizecounter_in_max]; +static const char *udpoutsizestats_desc[dns_sizecounter_out_max]; +static const char *tcpinsizestats_desc[dns_sizecounter_in_max]; +static const char *tcpoutsizestats_desc[dns_sizecounter_out_max]; +static const char *dnstapstats_desc[dns_dnstapcounter_max]; +static const char *gluecachestats_desc[dns_gluecachestatscounter_max]; +#if defined(EXTENDED_STATS) +static const char *nsstats_xmldesc[ns_statscounter_max]; +static const char *resstats_xmldesc[dns_resstatscounter_max]; +static const char *adbstats_xmldesc[dns_adbstats_max]; +static const char *zonestats_xmldesc[dns_zonestatscounter_max]; +static const char *sockstats_xmldesc[isc_sockstatscounter_max]; +static const char *dnssecstats_xmldesc[dns_dnssecstats_max]; +static const char *udpinsizestats_xmldesc[dns_sizecounter_in_max]; +static const char *udpoutsizestats_xmldesc[dns_sizecounter_out_max]; +static const char *tcpinsizestats_xmldesc[dns_sizecounter_in_max]; +static const char *tcpoutsizestats_xmldesc[dns_sizecounter_out_max]; +static const char *dnstapstats_xmldesc[dns_dnstapcounter_max]; +static const char *gluecachestats_xmldesc[dns_gluecachestatscounter_max]; +#else /* if defined(EXTENDED_STATS) */ +#define nsstats_xmldesc NULL +#define resstats_xmldesc NULL +#define adbstats_xmldesc NULL +#define zonestats_xmldesc NULL +#define sockstats_xmldesc NULL +#define dnssecstats_xmldesc NULL +#define udpinsizestats_xmldesc NULL +#define udpoutsizestats_xmldesc NULL +#define tcpinsizestats_xmldesc NULL +#define tcpoutsizestats_xmldesc NULL +#define dnstapstats_xmldesc NULL +#define gluecachestats_xmldesc NULL +#endif /* EXTENDED_STATS */ + +#define TRY0(a) \ + do { \ + xmlrc = (a); \ + if (xmlrc < 0) \ + goto error; \ + } while (0) + +/*% + * Mapping arrays to represent statistics counters in the order of our + * preference, regardless of the order of counter indices. For example, + * nsstats_desc[nsstats_index[0]] will be the description that is shown first. + */ +static int nsstats_index[ns_statscounter_max]; +static int resstats_index[dns_resstatscounter_max]; +static int adbstats_index[dns_adbstats_max]; +static int zonestats_index[dns_zonestatscounter_max]; +static int sockstats_index[isc_sockstatscounter_max]; +static int dnssecstats_index[dns_dnssecstats_max]; +static int udpinsizestats_index[dns_sizecounter_in_max]; +static int udpoutsizestats_index[dns_sizecounter_out_max]; +static int tcpinsizestats_index[dns_sizecounter_in_max]; +static int tcpoutsizestats_index[dns_sizecounter_out_max]; +static int dnstapstats_index[dns_dnstapcounter_max]; +static int gluecachestats_index[dns_gluecachestatscounter_max]; + +static void +set_desc(int counter, int maxcounter, const char *fdesc, const char **fdescs, + const char *xdesc, const char **xdescs) { + REQUIRE(counter < maxcounter); + REQUIRE(fdescs != NULL && fdescs[counter] == NULL); +#if defined(EXTENDED_STATS) + REQUIRE(xdescs != NULL && xdescs[counter] == NULL); +#endif /* if defined(EXTENDED_STATS) */ + + fdescs[counter] = fdesc; +#if defined(EXTENDED_STATS) + xdescs[counter] = xdesc; +#else /* if defined(EXTENDED_STATS) */ + UNUSED(xdesc); + UNUSED(xdescs); +#endif /* if defined(EXTENDED_STATS) */ +} + +static void +init_desc(void) { + int i; + + /* Initialize name server statistics */ + for (i = 0; i < ns_statscounter_max; i++) { + nsstats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < ns_statscounter_max; i++) { + nsstats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_NSSTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(ns_statscounter_##counterid, ns_statscounter_max, \ + desc, nsstats_desc, xmldesc, nsstats_xmldesc); \ + nsstats_index[i++] = ns_statscounter_##counterid; \ + } while (0) + + i = 0; + SET_NSSTATDESC(requestv4, "IPv4 requests received", "Requestv4"); + SET_NSSTATDESC(requestv6, "IPv6 requests received", "Requestv6"); + SET_NSSTATDESC(edns0in, "requests with EDNS(0) received", "ReqEdns0"); + SET_NSSTATDESC(badednsver, + "requests with unsupported EDNS version received", + "ReqBadEDNSVer"); + SET_NSSTATDESC(tsigin, "requests with TSIG received", "ReqTSIG"); + SET_NSSTATDESC(sig0in, "requests with SIG(0) received", "ReqSIG0"); + SET_NSSTATDESC(invalidsig, "requests with invalid signature", + "ReqBadSIG"); + SET_NSSTATDESC(requesttcp, "TCP requests received", "ReqTCP"); + SET_NSSTATDESC(tcphighwater, "TCP connection high-water", + "TCPConnHighWater"); + SET_NSSTATDESC(authrej, "auth queries rejected", "AuthQryRej"); + SET_NSSTATDESC(recurserej, "recursive queries rejected", "RecQryRej"); + SET_NSSTATDESC(xfrrej, "transfer requests rejected", "XfrRej"); + SET_NSSTATDESC(updaterej, "update requests rejected", "UpdateRej"); + SET_NSSTATDESC(response, "responses sent", "Response"); + SET_NSSTATDESC(truncatedresp, "truncated responses sent", + "TruncatedResp"); + SET_NSSTATDESC(edns0out, "responses with EDNS(0) sent", "RespEDNS0"); + SET_NSSTATDESC(tsigout, "responses with TSIG sent", "RespTSIG"); + SET_NSSTATDESC(sig0out, "responses with SIG(0) sent", "RespSIG0"); + SET_NSSTATDESC(success, "queries resulted in successful answer", + "QrySuccess"); + SET_NSSTATDESC(authans, "queries resulted in authoritative answer", + "QryAuthAns"); + SET_NSSTATDESC(nonauthans, + "queries resulted in non authoritative answer", + "QryNoauthAns"); + SET_NSSTATDESC(referral, "queries resulted in referral answer", + "QryReferral"); + SET_NSSTATDESC(nxrrset, "queries resulted in nxrrset", "QryNxrrset"); + SET_NSSTATDESC(servfail, "queries resulted in SERVFAIL", "QrySERVFAIL"); + SET_NSSTATDESC(formerr, "queries resulted in FORMERR", "QryFORMERR"); + SET_NSSTATDESC(nxdomain, "queries resulted in NXDOMAIN", "QryNXDOMAIN"); + SET_NSSTATDESC(recursion, "queries caused recursion", "QryRecursion"); + SET_NSSTATDESC(duplicate, "duplicate queries received", "QryDuplicate"); + SET_NSSTATDESC(dropped, "queries dropped", "QryDropped"); + SET_NSSTATDESC(failure, "other query failures", "QryFailure"); + SET_NSSTATDESC(xfrdone, "requested transfers completed", "XfrReqDone"); + SET_NSSTATDESC(updatereqfwd, "update requests forwarded", + "UpdateReqFwd"); + SET_NSSTATDESC(updaterespfwd, "update responses forwarded", + "UpdateRespFwd"); + SET_NSSTATDESC(updatefwdfail, "update forward failed", "UpdateFwdFail"); + SET_NSSTATDESC(updatedone, "updates completed", "UpdateDone"); + SET_NSSTATDESC(updatefail, "updates failed", "UpdateFail"); + SET_NSSTATDESC(updatebadprereq, + "updates rejected due to prerequisite failure", + "UpdateBadPrereq"); + SET_NSSTATDESC(recursclients, "recursing clients", "RecursClients"); + SET_NSSTATDESC(dns64, "queries answered by DNS64", "DNS64"); + SET_NSSTATDESC(ratedropped, "responses dropped for rate limits", + "RateDropped"); + SET_NSSTATDESC(rateslipped, "responses truncated for rate limits", + "RateSlipped"); + SET_NSSTATDESC(rpz_rewrites, "response policy zone rewrites", + "RPZRewrites"); + SET_NSSTATDESC(udp, "UDP queries received", "QryUDP"); + SET_NSSTATDESC(tcp, "TCP queries received", "QryTCP"); + SET_NSSTATDESC(nsidopt, "NSID option received", "NSIDOpt"); + SET_NSSTATDESC(expireopt, "Expire option received", "ExpireOpt"); + SET_NSSTATDESC(keepaliveopt, "EDNS TCP keepalive option received", + "KeepAliveOpt"); + SET_NSSTATDESC(padopt, "EDNS padding option received", "PadOpt"); + SET_NSSTATDESC(otheropt, "Other EDNS option received", "OtherOpt"); + SET_NSSTATDESC(cookiein, "COOKIE option received", "CookieIn"); + SET_NSSTATDESC(cookienew, "COOKIE - client only", "CookieNew"); + SET_NSSTATDESC(cookiebadsize, "COOKIE - bad size", "CookieBadSize"); + SET_NSSTATDESC(cookiebadtime, "COOKIE - bad time", "CookieBadTime"); + SET_NSSTATDESC(cookienomatch, "COOKIE - no match", "CookieNoMatch"); + SET_NSSTATDESC(cookiematch, "COOKIE - match", "CookieMatch"); + SET_NSSTATDESC(ecsopt, "EDNS client subnet option received", "ECSOpt"); + SET_NSSTATDESC(nxdomainredirect, + "queries resulted in NXDOMAIN that were redirected", + "QryNXRedir"); + SET_NSSTATDESC(nxdomainredirect_rlookup, + "queries resulted in NXDOMAIN that were redirected and " + "resulted in a successful remote lookup", + "QryNXRedirRLookup"); + SET_NSSTATDESC(badcookie, "sent badcookie response", "QryBADCOOKIE"); + SET_NSSTATDESC(nxdomainsynth, "synthesized a NXDOMAIN response", + "SynthNXDOMAIN"); + SET_NSSTATDESC(nodatasynth, "syththesized a no-data response", + "SynthNODATA"); + SET_NSSTATDESC(wildcardsynth, "synthesized a wildcard response", + "SynthWILDCARD"); + SET_NSSTATDESC(trystale, + "attempts to use stale cache data after lookup failure", + "QryTryStale"); + SET_NSSTATDESC(usedstale, + "successful uses of stale cache data after lookup " + "failure", + "QryUsedStale"); + SET_NSSTATDESC(prefetch, "queries triggered prefetch", "Prefetch"); + SET_NSSTATDESC(keytagopt, "Keytag option received", "KeyTagOpt"); + SET_NSSTATDESC(reclimitdropped, + "queries dropped due to recursive client limit", + "RecLimitDropped"); + SET_NSSTATDESC(updatequota, "Update quota exceeded", "UpdateQuota"); + + INSIST(i == ns_statscounter_max); + + /* Initialize resolver statistics */ + for (i = 0; i < dns_resstatscounter_max; i++) { + resstats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < dns_resstatscounter_max; i++) { + resstats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_RESSTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(dns_resstatscounter_##counterid, \ + dns_resstatscounter_max, desc, resstats_desc, \ + xmldesc, resstats_xmldesc); \ + resstats_index[i++] = dns_resstatscounter_##counterid; \ + } while (0) + + i = 0; + SET_RESSTATDESC(queryv4, "IPv4 queries sent", "Queryv4"); + SET_RESSTATDESC(queryv6, "IPv6 queries sent", "Queryv6"); + SET_RESSTATDESC(responsev4, "IPv4 responses received", "Responsev4"); + SET_RESSTATDESC(responsev6, "IPv6 responses received", "Responsev6"); + SET_RESSTATDESC(nxdomain, "NXDOMAIN received", "NXDOMAIN"); + SET_RESSTATDESC(servfail, "SERVFAIL received", "SERVFAIL"); + SET_RESSTATDESC(formerr, "FORMERR received", "FORMERR"); + SET_RESSTATDESC(othererror, "other errors received", "OtherError"); + SET_RESSTATDESC(edns0fail, "EDNS(0) query failures", "EDNS0Fail"); + SET_RESSTATDESC(mismatch, "mismatch responses received", "Mismatch"); + SET_RESSTATDESC(truncated, "truncated responses received", "Truncated"); + SET_RESSTATDESC(lame, "lame delegations received", "Lame"); + SET_RESSTATDESC(retry, "query retries", "Retry"); + SET_RESSTATDESC(dispabort, "queries aborted due to quota", + "QueryAbort"); + SET_RESSTATDESC(dispsockfail, "failures in opening query sockets", + "QuerySockFail"); + SET_RESSTATDESC(disprequdp, "UDP queries in progress", "QueryCurUDP"); + SET_RESSTATDESC(dispreqtcp, "TCP queries in progress", "QueryCurTCP"); + SET_RESSTATDESC(querytimeout, "query timeouts", "QueryTimeout"); + SET_RESSTATDESC(gluefetchv4, "IPv4 NS address fetches", "GlueFetchv4"); + SET_RESSTATDESC(gluefetchv6, "IPv6 NS address fetches", "GlueFetchv6"); + SET_RESSTATDESC(gluefetchv4fail, "IPv4 NS address fetch failed", + "GlueFetchv4Fail"); + SET_RESSTATDESC(gluefetchv6fail, "IPv6 NS address fetch failed", + "GlueFetchv6Fail"); + SET_RESSTATDESC(val, "DNSSEC validation attempted", "ValAttempt"); + SET_RESSTATDESC(valsuccess, "DNSSEC validation succeeded", "ValOk"); + SET_RESSTATDESC(valnegsuccess, "DNSSEC NX validation succeeded", + "ValNegOk"); + SET_RESSTATDESC(valfail, "DNSSEC validation failed", "ValFail"); + SET_RESSTATDESC(queryrtt0, + "queries with RTT < " DNS_RESOLVER_QRYRTTCLASS0STR "ms", + "QryRTT" DNS_RESOLVER_QRYRTTCLASS0STR); + SET_RESSTATDESC(queryrtt1, + "queries with RTT " DNS_RESOLVER_QRYRTTCLASS0STR + "-" DNS_RESOLVER_QRYRTTCLASS1STR "ms", + "QryRTT" DNS_RESOLVER_QRYRTTCLASS1STR); + SET_RESSTATDESC(queryrtt2, + "queries with RTT " DNS_RESOLVER_QRYRTTCLASS1STR + "-" DNS_RESOLVER_QRYRTTCLASS2STR "ms", + "QryRTT" DNS_RESOLVER_QRYRTTCLASS2STR); + SET_RESSTATDESC(queryrtt3, + "queries with RTT " DNS_RESOLVER_QRYRTTCLASS2STR + "-" DNS_RESOLVER_QRYRTTCLASS3STR "ms", + "QryRTT" DNS_RESOLVER_QRYRTTCLASS3STR); + SET_RESSTATDESC(queryrtt4, + "queries with RTT " DNS_RESOLVER_QRYRTTCLASS3STR + "-" DNS_RESOLVER_QRYRTTCLASS4STR "ms", + "QryRTT" DNS_RESOLVER_QRYRTTCLASS4STR); + SET_RESSTATDESC(queryrtt5, + "queries with RTT > " DNS_RESOLVER_QRYRTTCLASS4STR "ms", + "QryRTT" DNS_RESOLVER_QRYRTTCLASS4STR "+"); + SET_RESSTATDESC(nfetch, "active fetches", "NumFetch"); + SET_RESSTATDESC(buckets, "bucket size", "BucketSize"); + SET_RESSTATDESC(refused, "REFUSED received", "REFUSED"); + SET_RESSTATDESC(cookienew, "COOKIE send with client cookie only", + "ClientCookieOut"); + SET_RESSTATDESC(cookieout, "COOKIE sent with client and server cookie", + "ServerCookieOut"); + SET_RESSTATDESC(cookiein, "COOKIE replies received", "CookieIn"); + SET_RESSTATDESC(cookieok, "COOKIE client ok", "CookieClientOk"); + SET_RESSTATDESC(badvers, "bad EDNS version", "BadEDNSVersion"); + SET_RESSTATDESC(badcookie, "bad cookie rcode", "BadCookieRcode"); + SET_RESSTATDESC(zonequota, "spilled due to zone quota", "ZoneQuota"); + SET_RESSTATDESC(serverquota, "spilled due to server quota", + "ServerQuota"); + SET_RESSTATDESC(nextitem, "waited for next item", "NextItem"); + SET_RESSTATDESC(priming, "priming queries", "Priming"); + + INSIST(i == dns_resstatscounter_max); + + /* Initialize adb statistics */ + for (i = 0; i < dns_adbstats_max; i++) { + adbstats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < dns_adbstats_max; i++) { + adbstats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_ADBSTATDESC(id, desc, xmldesc) \ + do { \ + set_desc(dns_adbstats_##id, dns_adbstats_max, desc, \ + adbstats_desc, xmldesc, adbstats_xmldesc); \ + adbstats_index[i++] = dns_adbstats_##id; \ + } while (0) + i = 0; + SET_ADBSTATDESC(nentries, "Address hash table size", "nentries"); + SET_ADBSTATDESC(entriescnt, "Addresses in hash table", "entriescnt"); + SET_ADBSTATDESC(nnames, "Name hash table size", "nnames"); + SET_ADBSTATDESC(namescnt, "Names in hash table", "namescnt"); + + INSIST(i == dns_adbstats_max); + + /* Initialize zone statistics */ + for (i = 0; i < dns_zonestatscounter_max; i++) { + zonestats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < dns_zonestatscounter_max; i++) { + zonestats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_ZONESTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(dns_zonestatscounter_##counterid, \ + dns_zonestatscounter_max, desc, zonestats_desc, \ + xmldesc, zonestats_xmldesc); \ + zonestats_index[i++] = dns_zonestatscounter_##counterid; \ + } while (0) + + i = 0; + SET_ZONESTATDESC(notifyoutv4, "IPv4 notifies sent", "NotifyOutv4"); + SET_ZONESTATDESC(notifyoutv6, "IPv6 notifies sent", "NotifyOutv6"); + SET_ZONESTATDESC(notifyinv4, "IPv4 notifies received", "NotifyInv4"); + SET_ZONESTATDESC(notifyinv6, "IPv6 notifies received", "NotifyInv6"); + SET_ZONESTATDESC(notifyrej, "notifies rejected", "NotifyRej"); + SET_ZONESTATDESC(soaoutv4, "IPv4 SOA queries sent", "SOAOutv4"); + SET_ZONESTATDESC(soaoutv6, "IPv6 SOA queries sent", "SOAOutv6"); + SET_ZONESTATDESC(axfrreqv4, "IPv4 AXFR requested", "AXFRReqv4"); + SET_ZONESTATDESC(axfrreqv6, "IPv6 AXFR requested", "AXFRReqv6"); + SET_ZONESTATDESC(ixfrreqv4, "IPv4 IXFR requested", "IXFRReqv4"); + SET_ZONESTATDESC(ixfrreqv6, "IPv6 IXFR requested", "IXFRReqv6"); + SET_ZONESTATDESC(xfrsuccess, "transfer requests succeeded", + "XfrSuccess"); + SET_ZONESTATDESC(xfrfail, "transfer requests failed", "XfrFail"); + INSIST(i == dns_zonestatscounter_max); + + /* Initialize socket statistics */ + for (i = 0; i < isc_sockstatscounter_max; i++) { + sockstats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < isc_sockstatscounter_max; i++) { + sockstats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_SOCKSTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(isc_sockstatscounter_##counterid, \ + isc_sockstatscounter_max, desc, sockstats_desc, \ + xmldesc, sockstats_xmldesc); \ + sockstats_index[i++] = isc_sockstatscounter_##counterid; \ + } while (0) + + i = 0; + SET_SOCKSTATDESC(udp4open, "UDP/IPv4 sockets opened", "UDP4Open"); + SET_SOCKSTATDESC(udp6open, "UDP/IPv6 sockets opened", "UDP6Open"); + SET_SOCKSTATDESC(tcp4open, "TCP/IPv4 sockets opened", "TCP4Open"); + SET_SOCKSTATDESC(tcp6open, "TCP/IPv6 sockets opened", "TCP6Open"); + SET_SOCKSTATDESC(unixopen, "Unix domain sockets opened", "UnixOpen"); + SET_SOCKSTATDESC(rawopen, "Raw sockets opened", "RawOpen"); + SET_SOCKSTATDESC(udp4openfail, "UDP/IPv4 socket open failures", + "UDP4OpenFail"); + SET_SOCKSTATDESC(udp6openfail, "UDP/IPv6 socket open failures", + "UDP6OpenFail"); + SET_SOCKSTATDESC(tcp4openfail, "TCP/IPv4 socket open failures", + "TCP4OpenFail"); + SET_SOCKSTATDESC(tcp6openfail, "TCP/IPv6 socket open failures", + "TCP6OpenFail"); + SET_SOCKSTATDESC(unixopenfail, "Unix domain socket open failures", + "UnixOpenFail"); + SET_SOCKSTATDESC(rawopenfail, "Raw socket open failures", + "RawOpenFail"); + SET_SOCKSTATDESC(udp4close, "UDP/IPv4 sockets closed", "UDP4Close"); + SET_SOCKSTATDESC(udp6close, "UDP/IPv6 sockets closed", "UDP6Close"); + SET_SOCKSTATDESC(tcp4close, "TCP/IPv4 sockets closed", "TCP4Close"); + SET_SOCKSTATDESC(tcp6close, "TCP/IPv6 sockets closed", "TCP6Close"); + SET_SOCKSTATDESC(unixclose, "Unix domain sockets closed", "UnixClose"); + SET_SOCKSTATDESC(fdwatchclose, "FDwatch sockets closed", + "FDWatchClose"); + SET_SOCKSTATDESC(rawclose, "Raw sockets closed", "RawClose"); + SET_SOCKSTATDESC(udp4bindfail, "UDP/IPv4 socket bind failures", + "UDP4BindFail"); + SET_SOCKSTATDESC(udp6bindfail, "UDP/IPv6 socket bind failures", + "UDP6BindFail"); + SET_SOCKSTATDESC(tcp4bindfail, "TCP/IPv4 socket bind failures", + "TCP4BindFail"); + SET_SOCKSTATDESC(tcp6bindfail, "TCP/IPv6 socket bind failures", + "TCP6BindFail"); + SET_SOCKSTATDESC(unixbindfail, "Unix domain socket bind failures", + "UnixBindFail"); + SET_SOCKSTATDESC(fdwatchbindfail, "FDwatch socket bind failures", + "FdwatchBindFail"); + SET_SOCKSTATDESC(udp4connectfail, "UDP/IPv4 socket connect failures", + "UDP4ConnFail"); + SET_SOCKSTATDESC(udp6connectfail, "UDP/IPv6 socket connect failures", + "UDP6ConnFail"); + SET_SOCKSTATDESC(tcp4connectfail, "TCP/IPv4 socket connect failures", + "TCP4ConnFail"); + SET_SOCKSTATDESC(tcp6connectfail, "TCP/IPv6 socket connect failures", + "TCP6ConnFail"); + SET_SOCKSTATDESC(unixconnectfail, "Unix domain socket connect failures", + "UnixConnFail"); + SET_SOCKSTATDESC(fdwatchconnectfail, "FDwatch socket connect failures", + "FDwatchConnFail"); + SET_SOCKSTATDESC(udp4connect, "UDP/IPv4 connections established", + "UDP4Conn"); + SET_SOCKSTATDESC(udp6connect, "UDP/IPv6 connections established", + "UDP6Conn"); + SET_SOCKSTATDESC(tcp4connect, "TCP/IPv4 connections established", + "TCP4Conn"); + SET_SOCKSTATDESC(tcp6connect, "TCP/IPv6 connections established", + "TCP6Conn"); + SET_SOCKSTATDESC(unixconnect, "Unix domain connections established", + "UnixConn"); + SET_SOCKSTATDESC(fdwatchconnect, + "FDwatch domain connections established", + "FDwatchConn"); + SET_SOCKSTATDESC(tcp4acceptfail, "TCP/IPv4 connection accept failures", + "TCP4AcceptFail"); + SET_SOCKSTATDESC(tcp6acceptfail, "TCP/IPv6 connection accept failures", + "TCP6AcceptFail"); + SET_SOCKSTATDESC(unixacceptfail, + "Unix domain connection accept failures", + "UnixAcceptFail"); + SET_SOCKSTATDESC(tcp4accept, "TCP/IPv4 connections accepted", + "TCP4Accept"); + SET_SOCKSTATDESC(tcp6accept, "TCP/IPv6 connections accepted", + "TCP6Accept"); + SET_SOCKSTATDESC(unixaccept, "Unix domain connections accepted", + "UnixAccept"); + SET_SOCKSTATDESC(udp4sendfail, "UDP/IPv4 send errors", "UDP4SendErr"); + SET_SOCKSTATDESC(udp6sendfail, "UDP/IPv6 send errors", "UDP6SendErr"); + SET_SOCKSTATDESC(tcp4sendfail, "TCP/IPv4 send errors", "TCP4SendErr"); + SET_SOCKSTATDESC(tcp6sendfail, "TCP/IPv6 send errors", "TCP6SendErr"); + SET_SOCKSTATDESC(unixsendfail, "Unix domain send errors", + "UnixSendErr"); + SET_SOCKSTATDESC(fdwatchsendfail, "FDwatch send errors", + "FDwatchSendErr"); + SET_SOCKSTATDESC(udp4recvfail, "UDP/IPv4 recv errors", "UDP4RecvErr"); + SET_SOCKSTATDESC(udp6recvfail, "UDP/IPv6 recv errors", "UDP6RecvErr"); + SET_SOCKSTATDESC(tcp4recvfail, "TCP/IPv4 recv errors", "TCP4RecvErr"); + SET_SOCKSTATDESC(tcp6recvfail, "TCP/IPv6 recv errors", "TCP6RecvErr"); + SET_SOCKSTATDESC(unixrecvfail, "Unix domain recv errors", + "UnixRecvErr"); + SET_SOCKSTATDESC(fdwatchrecvfail, "FDwatch recv errors", + "FDwatchRecvErr"); + SET_SOCKSTATDESC(rawrecvfail, "Raw recv errors", "RawRecvErr"); + SET_SOCKSTATDESC(udp4active, "UDP/IPv4 sockets active", "UDP4Active"); + SET_SOCKSTATDESC(udp6active, "UDP/IPv6 sockets active", "UDP6Active"); + SET_SOCKSTATDESC(tcp4active, "TCP/IPv4 sockets active", "TCP4Active"); + SET_SOCKSTATDESC(tcp6active, "TCP/IPv6 sockets active", "TCP6Active"); + SET_SOCKSTATDESC(unixactive, "Unix domain sockets active", + "UnixActive"); + SET_SOCKSTATDESC(rawactive, "Raw sockets active", "RawActive"); + INSIST(i == isc_sockstatscounter_max); + + /* Initialize DNSSEC statistics */ + for (i = 0; i < dns_dnssecstats_max; i++) { + dnssecstats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < dns_dnssecstats_max; i++) { + dnssecstats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_DNSSECSTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(dns_dnssecstats_##counterid, dns_dnssecstats_max, \ + desc, dnssecstats_desc, xmldesc, \ + dnssecstats_xmldesc); \ + dnssecstats_index[i++] = dns_dnssecstats_##counterid; \ + } while (0) + + i = 0; + SET_DNSSECSTATDESC(asis, + "dnssec validation success with signer " + "\"as is\"", + "DNSSECasis"); + SET_DNSSECSTATDESC(downcase, + "dnssec validation success with signer " + "lower cased", + "DNSSECdowncase"); + SET_DNSSECSTATDESC(wildcard, "dnssec validation of wildcard signature", + "DNSSECwild"); + SET_DNSSECSTATDESC(fail, "dnssec validation failures", "DNSSECfail"); + INSIST(i == dns_dnssecstats_max); + + /* Initialize dnstap statistics */ + for (i = 0; i < dns_dnstapcounter_max; i++) { + dnstapstats_desc[i] = NULL; + } +#if defined(EXTENDED_STATS) + for (i = 0; i < dns_dnstapcounter_max; i++) { + dnstapstats_xmldesc[i] = NULL; + } +#endif /* if defined(EXTENDED_STATS) */ + +#define SET_DNSTAPSTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(dns_dnstapcounter_##counterid, dns_dnstapcounter_max, \ + desc, dnstapstats_desc, xmldesc, \ + dnstapstats_xmldesc); \ + dnstapstats_index[i++] = dns_dnstapcounter_##counterid; \ + } while (0) + i = 0; + SET_DNSTAPSTATDESC(success, "dnstap messages written", "DNSTAPsuccess"); + SET_DNSTAPSTATDESC(drop, "dnstap messages dropped", "DNSTAPdropped"); + INSIST(i == dns_dnstapcounter_max); + +#define SET_GLUECACHESTATDESC(counterid, desc, xmldesc) \ + do { \ + set_desc(dns_gluecachestatscounter_##counterid, \ + dns_gluecachestatscounter_max, desc, \ + gluecachestats_desc, xmldesc, \ + gluecachestats_xmldesc); \ + gluecachestats_index[i++] = \ + dns_gluecachestatscounter_##counterid; \ + } while (0) + i = 0; + SET_GLUECACHESTATDESC(hits_present, "Hits for present glue (cached)", + "GLUECACHEhitspresent"); + SET_GLUECACHESTATDESC(hits_absent, + "Hits for non-existent glue (cached)", + "GLUECACHEhitsabsent"); + SET_GLUECACHESTATDESC(inserts_present, + "Miss-plus-cache-inserts for present glue", + "GLUECACHEinsertspresent"); + SET_GLUECACHESTATDESC(inserts_absent, + "Miss-plus-cache-inserts for non-existent glue", + "GLUECACHEinsertsabsent"); + INSIST(i == dns_gluecachestatscounter_max); + + /* Sanity check */ + for (i = 0; i < ns_statscounter_max; i++) { + INSIST(nsstats_desc[i] != NULL); + } + for (i = 0; i < dns_resstatscounter_max; i++) { + INSIST(resstats_desc[i] != NULL); + } + for (i = 0; i < dns_adbstats_max; i++) { + INSIST(adbstats_desc[i] != NULL); + } + for (i = 0; i < dns_zonestatscounter_max; i++) { + INSIST(zonestats_desc[i] != NULL); + } + for (i = 0; i < isc_sockstatscounter_max; i++) { + INSIST(sockstats_desc[i] != NULL); + } + for (i = 0; i < dns_dnssecstats_max; i++) { + INSIST(dnssecstats_desc[i] != NULL); + } + for (i = 0; i < dns_dnstapcounter_max; i++) { + INSIST(dnstapstats_desc[i] != NULL); + } + for (i = 0; i < dns_gluecachestatscounter_max; i++) { + INSIST(gluecachestats_desc[i] != NULL); + } +#if defined(EXTENDED_STATS) + for (i = 0; i < ns_statscounter_max; i++) { + INSIST(nsstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_resstatscounter_max; i++) { + INSIST(resstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_adbstats_max; i++) { + INSIST(adbstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_zonestatscounter_max; i++) { + INSIST(zonestats_xmldesc[i] != NULL); + } + for (i = 0; i < isc_sockstatscounter_max; i++) { + INSIST(sockstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_dnssecstats_max; i++) { + INSIST(dnssecstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_dnstapcounter_max; i++) { + INSIST(dnstapstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_gluecachestatscounter_max; i++) { + INSIST(gluecachestats_xmldesc[i] != NULL); + } +#endif /* if defined(EXTENDED_STATS) */ + + /* Initialize traffic size statistics */ + for (i = 0; i < dns_sizecounter_in_max; i++) { + udpinsizestats_desc[i] = NULL; + tcpinsizestats_desc[i] = NULL; +#if defined(EXTENDED_STATS) + udpinsizestats_xmldesc[i] = NULL; + tcpinsizestats_xmldesc[i] = NULL; +#endif /* if defined(EXTENDED_STATS) */ + } + for (i = 0; i < dns_sizecounter_out_max; i++) { + udpoutsizestats_desc[i] = NULL; + tcpoutsizestats_desc[i] = NULL; +#if defined(EXTENDED_STATS) + udpoutsizestats_xmldesc[i] = NULL; + tcpoutsizestats_xmldesc[i] = NULL; +#endif /* if defined(EXTENDED_STATS) */ + } + +#define SET_SIZESTATDESC(counterid, desc, xmldesc, inout) \ + do { \ + set_desc(dns_sizecounter_##inout##_##counterid, \ + dns_sizecounter_##inout##_max, desc, \ + udp##inout##sizestats_desc, xmldesc, \ + udp##inout##sizestats_xmldesc); \ + set_desc(dns_sizecounter_##inout##_##counterid, \ + dns_sizecounter_##inout##_max, desc, \ + tcp##inout##sizestats_desc, xmldesc, \ + tcp##inout##sizestats_xmldesc); \ + udp##inout##sizestats_index[i] = \ + dns_sizecounter_##inout##_##counterid; \ + tcp##inout##sizestats_index[i] = \ + dns_sizecounter_##inout##_##counterid; \ + i++; \ + } while (0) + + i = 0; + SET_SIZESTATDESC(0, "requests received 0-15 bytes", "0-15", in); + SET_SIZESTATDESC(16, "requests received 16-31 bytes", "16-31", in); + SET_SIZESTATDESC(32, "requests received 32-47 bytes", "32-47", in); + SET_SIZESTATDESC(48, "requests received 48-63 bytes", "48-63", in); + SET_SIZESTATDESC(64, "requests received 64-79 bytes", "64-79", in); + SET_SIZESTATDESC(80, "requests received 80-95 bytes", "80-95", in); + SET_SIZESTATDESC(96, "requests received 96-111 bytes", "96-111", in); + SET_SIZESTATDESC(112, "requests received 112-127 bytes", "112-127", in); + SET_SIZESTATDESC(128, "requests received 128-143 bytes", "128-143", in); + SET_SIZESTATDESC(144, "requests received 144-159 bytes", "144-159", in); + SET_SIZESTATDESC(160, "requests received 160-175 bytes", "160-175", in); + SET_SIZESTATDESC(176, "requests received 176-191 bytes", "176-191", in); + SET_SIZESTATDESC(192, "requests received 192-207 bytes", "192-207", in); + SET_SIZESTATDESC(208, "requests received 208-223 bytes", "208-223", in); + SET_SIZESTATDESC(224, "requests received 224-239 bytes", "224-239", in); + SET_SIZESTATDESC(240, "requests received 240-255 bytes", "240-255", in); + SET_SIZESTATDESC(256, "requests received 256-271 bytes", "256-271", in); + SET_SIZESTATDESC(272, "requests received 272-287 bytes", "272-287", in); + SET_SIZESTATDESC(288, "requests received 288+ bytes", "288+", in); + INSIST(i == dns_sizecounter_in_max); + + i = 0; + SET_SIZESTATDESC(0, "responses sent 0-15 bytes", "0-15", out); + SET_SIZESTATDESC(16, "responses sent 16-31 bytes", "16-31", out); + SET_SIZESTATDESC(32, "responses sent 32-47 bytes", "32-47", out); + SET_SIZESTATDESC(48, "responses sent 48-63 bytes", "48-63", out); + SET_SIZESTATDESC(64, "responses sent 64-79 bytes", "64-79", out); + SET_SIZESTATDESC(80, "responses sent 80-95 bytes", "80-95", out); + SET_SIZESTATDESC(96, "responses sent 96-111 bytes", "96-111", out); + SET_SIZESTATDESC(112, "responses sent 112-127 bytes", "112-127", out); + SET_SIZESTATDESC(128, "responses sent 128-143 bytes", "128-143", out); + SET_SIZESTATDESC(144, "responses sent 144-159 bytes", "144-159", out); + SET_SIZESTATDESC(160, "responses sent 160-175 bytes", "160-175", out); + SET_SIZESTATDESC(176, "responses sent 176-191 bytes", "176-191", out); + SET_SIZESTATDESC(192, "responses sent 192-207 bytes", "192-207", out); + SET_SIZESTATDESC(208, "responses sent 208-223 bytes", "208-223", out); + SET_SIZESTATDESC(224, "responses sent 224-239 bytes", "224-239", out); + SET_SIZESTATDESC(240, "responses sent 240-255 bytes", "240-255", out); + SET_SIZESTATDESC(256, "responses sent 256-271 bytes", "256-271", out); + SET_SIZESTATDESC(272, "responses sent 272-287 bytes", "272-287", out); + SET_SIZESTATDESC(288, "responses sent 288-303 bytes", "288-303", out); + SET_SIZESTATDESC(304, "responses sent 304-319 bytes", "304-319", out); + SET_SIZESTATDESC(320, "responses sent 320-335 bytes", "320-335", out); + SET_SIZESTATDESC(336, "responses sent 336-351 bytes", "336-351", out); + SET_SIZESTATDESC(352, "responses sent 352-367 bytes", "352-367", out); + SET_SIZESTATDESC(368, "responses sent 368-383 bytes", "368-383", out); + SET_SIZESTATDESC(384, "responses sent 384-399 bytes", "384-399", out); + SET_SIZESTATDESC(400, "responses sent 400-415 bytes", "400-415", out); + SET_SIZESTATDESC(416, "responses sent 416-431 bytes", "416-431", out); + SET_SIZESTATDESC(432, "responses sent 432-447 bytes", "432-447", out); + SET_SIZESTATDESC(448, "responses sent 448-463 bytes", "448-463", out); + SET_SIZESTATDESC(464, "responses sent 464-479 bytes", "464-479", out); + SET_SIZESTATDESC(480, "responses sent 480-495 bytes", "480-495", out); + SET_SIZESTATDESC(496, "responses sent 496-511 bytes", "496-511", out); + SET_SIZESTATDESC(512, "responses sent 512-527 bytes", "512-527", out); + SET_SIZESTATDESC(528, "responses sent 528-543 bytes", "528-543", out); + SET_SIZESTATDESC(544, "responses sent 544-559 bytes", "544-559", out); + SET_SIZESTATDESC(560, "responses sent 560-575 bytes", "560-575", out); + SET_SIZESTATDESC(576, "responses sent 576-591 bytes", "576-591", out); + SET_SIZESTATDESC(592, "responses sent 592-607 bytes", "592-607", out); + SET_SIZESTATDESC(608, "responses sent 608-623 bytes", "608-623", out); + SET_SIZESTATDESC(624, "responses sent 624-639 bytes", "624-639", out); + SET_SIZESTATDESC(640, "responses sent 640-655 bytes", "640-655", out); + SET_SIZESTATDESC(656, "responses sent 656-671 bytes", "656-671", out); + SET_SIZESTATDESC(672, "responses sent 672-687 bytes", "672-687", out); + SET_SIZESTATDESC(688, "responses sent 688-703 bytes", "688-703", out); + SET_SIZESTATDESC(704, "responses sent 704-719 bytes", "704-719", out); + SET_SIZESTATDESC(720, "responses sent 720-735 bytes", "720-735", out); + SET_SIZESTATDESC(736, "responses sent 736-751 bytes", "736-751", out); + SET_SIZESTATDESC(752, "responses sent 752-767 bytes", "752-767", out); + SET_SIZESTATDESC(768, "responses sent 768-783 bytes", "768-783", out); + SET_SIZESTATDESC(784, "responses sent 784-799 bytes", "784-799", out); + SET_SIZESTATDESC(800, "responses sent 800-815 bytes", "800-815", out); + SET_SIZESTATDESC(816, "responses sent 816-831 bytes", "816-831", out); + SET_SIZESTATDESC(832, "responses sent 832-847 bytes", "832-847", out); + SET_SIZESTATDESC(848, "responses sent 848-863 bytes", "848-863", out); + SET_SIZESTATDESC(864, "responses sent 864-879 bytes", "864-879", out); + SET_SIZESTATDESC(880, "responses sent 880-895 bytes", "880-895", out); + SET_SIZESTATDESC(896, "responses sent 896-911 bytes", "896-911", out); + SET_SIZESTATDESC(912, "responses sent 912-927 bytes", "912-927", out); + SET_SIZESTATDESC(928, "responses sent 928-943 bytes", "928-943", out); + SET_SIZESTATDESC(944, "responses sent 944-959 bytes", "944-959", out); + SET_SIZESTATDESC(960, "responses sent 960-975 bytes", "960-975", out); + SET_SIZESTATDESC(976, "responses sent 976-991 bytes", "976-991", out); + SET_SIZESTATDESC(992, "responses sent 992-1007 bytes", "992-1007", out); + SET_SIZESTATDESC(1008, "responses sent 1008-1023 bytes", "1008-1023", + out); + SET_SIZESTATDESC(1024, "responses sent 1024-1039 bytes", "1024-1039", + out); + SET_SIZESTATDESC(1040, "responses sent 1040-1055 bytes", "1040-1055", + out); + SET_SIZESTATDESC(1056, "responses sent 1056-1071 bytes", "1056-1071", + out); + SET_SIZESTATDESC(1072, "responses sent 1072-1087 bytes", "1072-1087", + out); + SET_SIZESTATDESC(1088, "responses sent 1088-1103 bytes", "1088-1103", + out); + SET_SIZESTATDESC(1104, "responses sent 1104-1119 bytes", "1104-1119", + out); + SET_SIZESTATDESC(1120, "responses sent 1120-1135 bytes", "1120-1135", + out); + SET_SIZESTATDESC(1136, "responses sent 1136-1151 bytes", "1136-1151", + out); + SET_SIZESTATDESC(1152, "responses sent 1152-1167 bytes", "1152-1167", + out); + SET_SIZESTATDESC(1168, "responses sent 1168-1183 bytes", "1168-1183", + out); + SET_SIZESTATDESC(1184, "responses sent 1184-1199 bytes", "1184-1199", + out); + SET_SIZESTATDESC(1200, "responses sent 1200-1215 bytes", "1200-1215", + out); + SET_SIZESTATDESC(1216, "responses sent 1216-1231 bytes", "1216-1231", + out); + SET_SIZESTATDESC(1232, "responses sent 1232-1247 bytes", "1232-1247", + out); + SET_SIZESTATDESC(1248, "responses sent 1248-1263 bytes", "1248-1263", + out); + SET_SIZESTATDESC(1264, "responses sent 1264-1279 bytes", "1264-1279", + out); + SET_SIZESTATDESC(1280, "responses sent 1280-1295 bytes", "1280-1295", + out); + SET_SIZESTATDESC(1296, "responses sent 1296-1311 bytes", "1296-1311", + out); + SET_SIZESTATDESC(1312, "responses sent 1312-1327 bytes", "1312-1327", + out); + SET_SIZESTATDESC(1328, "responses sent 1328-1343 bytes", "1328-1343", + out); + SET_SIZESTATDESC(1344, "responses sent 1344-1359 bytes", "1344-1359", + out); + SET_SIZESTATDESC(1360, "responses sent 1360-1375 bytes", "1360-1375", + out); + SET_SIZESTATDESC(1376, "responses sent 1376-1391 bytes", "1376-1391", + out); + SET_SIZESTATDESC(1392, "responses sent 1392-1407 bytes", "1392-1407", + out); + SET_SIZESTATDESC(1408, "responses sent 1408-1423 bytes", "1408-1423", + out); + SET_SIZESTATDESC(1424, "responses sent 1424-1439 bytes", "1424-1439", + out); + SET_SIZESTATDESC(1440, "responses sent 1440-1455 bytes", "1440-1455", + out); + SET_SIZESTATDESC(1456, "responses sent 1456-1471 bytes", "1456-1471", + out); + SET_SIZESTATDESC(1472, "responses sent 1472-1487 bytes", "1472-1487", + out); + SET_SIZESTATDESC(1488, "responses sent 1488-1503 bytes", "1488-1503", + out); + SET_SIZESTATDESC(1504, "responses sent 1504-1519 bytes", "1504-1519", + out); + SET_SIZESTATDESC(1520, "responses sent 1520-1535 bytes", "1520-1535", + out); + SET_SIZESTATDESC(1536, "responses sent 1536-1551 bytes", "1536-1551", + out); + SET_SIZESTATDESC(1552, "responses sent 1552-1567 bytes", "1552-1567", + out); + SET_SIZESTATDESC(1568, "responses sent 1568-1583 bytes", "1568-1583", + out); + SET_SIZESTATDESC(1584, "responses sent 1584-1599 bytes", "1584-1599", + out); + SET_SIZESTATDESC(1600, "responses sent 1600-1615 bytes", "1600-1615", + out); + SET_SIZESTATDESC(1616, "responses sent 1616-1631 bytes", "1616-1631", + out); + SET_SIZESTATDESC(1632, "responses sent 1632-1647 bytes", "1632-1647", + out); + SET_SIZESTATDESC(1648, "responses sent 1648-1663 bytes", "1648-1663", + out); + SET_SIZESTATDESC(1664, "responses sent 1664-1679 bytes", "1664-1679", + out); + SET_SIZESTATDESC(1680, "responses sent 1680-1695 bytes", "1680-1695", + out); + SET_SIZESTATDESC(1696, "responses sent 1696-1711 bytes", "1696-1711", + out); + SET_SIZESTATDESC(1712, "responses sent 1712-1727 bytes", "1712-1727", + out); + SET_SIZESTATDESC(1728, "responses sent 1728-1743 bytes", "1728-1743", + out); + SET_SIZESTATDESC(1744, "responses sent 1744-1759 bytes", "1744-1759", + out); + SET_SIZESTATDESC(1760, "responses sent 1760-1775 bytes", "1760-1775", + out); + SET_SIZESTATDESC(1776, "responses sent 1776-1791 bytes", "1776-1791", + out); + SET_SIZESTATDESC(1792, "responses sent 1792-1807 bytes", "1792-1807", + out); + SET_SIZESTATDESC(1808, "responses sent 1808-1823 bytes", "1808-1823", + out); + SET_SIZESTATDESC(1824, "responses sent 1824-1839 bytes", "1824-1839", + out); + SET_SIZESTATDESC(1840, "responses sent 1840-1855 bytes", "1840-1855", + out); + SET_SIZESTATDESC(1856, "responses sent 1856-1871 bytes", "1856-1871", + out); + SET_SIZESTATDESC(1872, "responses sent 1872-1887 bytes", "1872-1887", + out); + SET_SIZESTATDESC(1888, "responses sent 1888-1903 bytes", "1888-1903", + out); + SET_SIZESTATDESC(1904, "responses sent 1904-1919 bytes", "1904-1919", + out); + SET_SIZESTATDESC(1920, "responses sent 1920-1935 bytes", "1920-1935", + out); + SET_SIZESTATDESC(1936, "responses sent 1936-1951 bytes", "1936-1951", + out); + SET_SIZESTATDESC(1952, "responses sent 1952-1967 bytes", "1952-1967", + out); + SET_SIZESTATDESC(1968, "responses sent 1968-1983 bytes", "1968-1983", + out); + SET_SIZESTATDESC(1984, "responses sent 1984-1999 bytes", "1984-1999", + out); + SET_SIZESTATDESC(2000, "responses sent 2000-2015 bytes", "2000-2015", + out); + SET_SIZESTATDESC(2016, "responses sent 2016-2031 bytes", "2016-2031", + out); + SET_SIZESTATDESC(2032, "responses sent 2032-2047 bytes", "2032-2047", + out); + SET_SIZESTATDESC(2048, "responses sent 2048-2063 bytes", "2048-2063", + out); + SET_SIZESTATDESC(2064, "responses sent 2064-2079 bytes", "2064-2079", + out); + SET_SIZESTATDESC(2080, "responses sent 2080-2095 bytes", "2080-2095", + out); + SET_SIZESTATDESC(2096, "responses sent 2096-2111 bytes", "2096-2111", + out); + SET_SIZESTATDESC(2112, "responses sent 2112-2127 bytes", "2112-2127", + out); + SET_SIZESTATDESC(2128, "responses sent 2128-2143 bytes", "2128-2143", + out); + SET_SIZESTATDESC(2144, "responses sent 2144-2159 bytes", "2144-2159", + out); + SET_SIZESTATDESC(2160, "responses sent 2160-2175 bytes", "2160-2175", + out); + SET_SIZESTATDESC(2176, "responses sent 2176-2191 bytes", "2176-2191", + out); + SET_SIZESTATDESC(2192, "responses sent 2192-2207 bytes", "2192-2207", + out); + SET_SIZESTATDESC(2208, "responses sent 2208-2223 bytes", "2208-2223", + out); + SET_SIZESTATDESC(2224, "responses sent 2224-2239 bytes", "2224-2239", + out); + SET_SIZESTATDESC(2240, "responses sent 2240-2255 bytes", "2240-2255", + out); + SET_SIZESTATDESC(2256, "responses sent 2256-2271 bytes", "2256-2271", + out); + SET_SIZESTATDESC(2272, "responses sent 2272-2287 bytes", "2272-2287", + out); + SET_SIZESTATDESC(2288, "responses sent 2288-2303 bytes", "2288-2303", + out); + SET_SIZESTATDESC(2304, "responses sent 2304-2319 bytes", "2304-2319", + out); + SET_SIZESTATDESC(2320, "responses sent 2320-2335 bytes", "2320-2335", + out); + SET_SIZESTATDESC(2336, "responses sent 2336-2351 bytes", "2336-2351", + out); + SET_SIZESTATDESC(2352, "responses sent 2352-2367 bytes", "2352-2367", + out); + SET_SIZESTATDESC(2368, "responses sent 2368-2383 bytes", "2368-2383", + out); + SET_SIZESTATDESC(2384, "responses sent 2384-2399 bytes", "2384-2399", + out); + SET_SIZESTATDESC(2400, "responses sent 2400-2415 bytes", "2400-2415", + out); + SET_SIZESTATDESC(2416, "responses sent 2416-2431 bytes", "2416-2431", + out); + SET_SIZESTATDESC(2432, "responses sent 2432-2447 bytes", "2432-2447", + out); + SET_SIZESTATDESC(2448, "responses sent 2448-2463 bytes", "2448-2463", + out); + SET_SIZESTATDESC(2464, "responses sent 2464-2479 bytes", "2464-2479", + out); + SET_SIZESTATDESC(2480, "responses sent 2480-2495 bytes", "2480-2495", + out); + SET_SIZESTATDESC(2496, "responses sent 2496-2511 bytes", "2496-2511", + out); + SET_SIZESTATDESC(2512, "responses sent 2512-2527 bytes", "2512-2527", + out); + SET_SIZESTATDESC(2528, "responses sent 2528-2543 bytes", "2528-2543", + out); + SET_SIZESTATDESC(2544, "responses sent 2544-2559 bytes", "2544-2559", + out); + SET_SIZESTATDESC(2560, "responses sent 2560-2575 bytes", "2560-2575", + out); + SET_SIZESTATDESC(2576, "responses sent 2576-2591 bytes", "2576-2591", + out); + SET_SIZESTATDESC(2592, "responses sent 2592-2607 bytes", "2592-2607", + out); + SET_SIZESTATDESC(2608, "responses sent 2608-2623 bytes", "2608-2623", + out); + SET_SIZESTATDESC(2624, "responses sent 2624-2639 bytes", "2624-2639", + out); + SET_SIZESTATDESC(2640, "responses sent 2640-2655 bytes", "2640-2655", + out); + SET_SIZESTATDESC(2656, "responses sent 2656-2671 bytes", "2656-2671", + out); + SET_SIZESTATDESC(2672, "responses sent 2672-2687 bytes", "2672-2687", + out); + SET_SIZESTATDESC(2688, "responses sent 2688-2703 bytes", "2688-2703", + out); + SET_SIZESTATDESC(2704, "responses sent 2704-2719 bytes", "2704-2719", + out); + SET_SIZESTATDESC(2720, "responses sent 2720-2735 bytes", "2720-2735", + out); + SET_SIZESTATDESC(2736, "responses sent 2736-2751 bytes", "2736-2751", + out); + SET_SIZESTATDESC(2752, "responses sent 2752-2767 bytes", "2752-2767", + out); + SET_SIZESTATDESC(2768, "responses sent 2768-2783 bytes", "2768-2783", + out); + SET_SIZESTATDESC(2784, "responses sent 2784-2799 bytes", "2784-2799", + out); + SET_SIZESTATDESC(2800, "responses sent 2800-2815 bytes", "2800-2815", + out); + SET_SIZESTATDESC(2816, "responses sent 2816-2831 bytes", "2816-2831", + out); + SET_SIZESTATDESC(2832, "responses sent 2832-2847 bytes", "2832-2847", + out); + SET_SIZESTATDESC(2848, "responses sent 2848-2863 bytes", "2848-2863", + out); + SET_SIZESTATDESC(2864, "responses sent 2864-2879 bytes", "2864-2879", + out); + SET_SIZESTATDESC(2880, "responses sent 2880-2895 bytes", "2880-2895", + out); + SET_SIZESTATDESC(2896, "responses sent 2896-2911 bytes", "2896-2911", + out); + SET_SIZESTATDESC(2912, "responses sent 2912-2927 bytes", "2912-2927", + out); + SET_SIZESTATDESC(2928, "responses sent 2928-2943 bytes", "2928-2943", + out); + SET_SIZESTATDESC(2944, "responses sent 2944-2959 bytes", "2944-2959", + out); + SET_SIZESTATDESC(2960, "responses sent 2960-2975 bytes", "2960-2975", + out); + SET_SIZESTATDESC(2976, "responses sent 2976-2991 bytes", "2976-2991", + out); + SET_SIZESTATDESC(2992, "responses sent 2992-3007 bytes", "2992-3007", + out); + SET_SIZESTATDESC(3008, "responses sent 3008-3023 bytes", "3008-3023", + out); + SET_SIZESTATDESC(3024, "responses sent 3024-3039 bytes", "3024-3039", + out); + SET_SIZESTATDESC(3040, "responses sent 3040-3055 bytes", "3040-3055", + out); + SET_SIZESTATDESC(3056, "responses sent 3056-3071 bytes", "3056-3071", + out); + SET_SIZESTATDESC(3072, "responses sent 3072-3087 bytes", "3072-3087", + out); + SET_SIZESTATDESC(3088, "responses sent 3088-3103 bytes", "3088-3103", + out); + SET_SIZESTATDESC(3104, "responses sent 3104-3119 bytes", "3104-3119", + out); + SET_SIZESTATDESC(3120, "responses sent 3120-3135 bytes", "3120-3135", + out); + SET_SIZESTATDESC(3136, "responses sent 3136-3151 bytes", "3136-3151", + out); + SET_SIZESTATDESC(3152, "responses sent 3152-3167 bytes", "3152-3167", + out); + SET_SIZESTATDESC(3168, "responses sent 3168-3183 bytes", "3168-3183", + out); + SET_SIZESTATDESC(3184, "responses sent 3184-3199 bytes", "3184-3199", + out); + SET_SIZESTATDESC(3200, "responses sent 3200-3215 bytes", "3200-3215", + out); + SET_SIZESTATDESC(3216, "responses sent 3216-3231 bytes", "3216-3231", + out); + SET_SIZESTATDESC(3232, "responses sent 3232-3247 bytes", "3232-3247", + out); + SET_SIZESTATDESC(3248, "responses sent 3248-3263 bytes", "3248-3263", + out); + SET_SIZESTATDESC(3264, "responses sent 3264-3279 bytes", "3264-3279", + out); + SET_SIZESTATDESC(3280, "responses sent 3280-3295 bytes", "3280-3295", + out); + SET_SIZESTATDESC(3296, "responses sent 3296-3311 bytes", "3296-3311", + out); + SET_SIZESTATDESC(3312, "responses sent 3312-3327 bytes", "3312-3327", + out); + SET_SIZESTATDESC(3328, "responses sent 3328-3343 bytes", "3328-3343", + out); + SET_SIZESTATDESC(3344, "responses sent 3344-3359 bytes", "3344-3359", + out); + SET_SIZESTATDESC(3360, "responses sent 3360-3375 bytes", "3360-3375", + out); + SET_SIZESTATDESC(3376, "responses sent 3376-3391 bytes", "3376-3391", + out); + SET_SIZESTATDESC(3392, "responses sent 3392-3407 bytes", "3392-3407", + out); + SET_SIZESTATDESC(3408, "responses sent 3408-3423 bytes", "3408-3423", + out); + SET_SIZESTATDESC(3424, "responses sent 3424-3439 bytes", "3424-3439", + out); + SET_SIZESTATDESC(3440, "responses sent 3440-3455 bytes", "3440-3455", + out); + SET_SIZESTATDESC(3456, "responses sent 3456-3471 bytes", "3456-3471", + out); + SET_SIZESTATDESC(3472, "responses sent 3472-3487 bytes", "3472-3487", + out); + SET_SIZESTATDESC(3488, "responses sent 3488-3503 bytes", "3488-3503", + out); + SET_SIZESTATDESC(3504, "responses sent 3504-3519 bytes", "3504-3519", + out); + SET_SIZESTATDESC(3520, "responses sent 3520-3535 bytes", "3520-3535", + out); + SET_SIZESTATDESC(3536, "responses sent 3536-3551 bytes", "3536-3551", + out); + SET_SIZESTATDESC(3552, "responses sent 3552-3567 bytes", "3552-3567", + out); + SET_SIZESTATDESC(3568, "responses sent 3568-3583 bytes", "3568-3583", + out); + SET_SIZESTATDESC(3584, "responses sent 3584-3599 bytes", "3584-3599", + out); + SET_SIZESTATDESC(3600, "responses sent 3600-3615 bytes", "3600-3615", + out); + SET_SIZESTATDESC(3616, "responses sent 3616-3631 bytes", "3616-3631", + out); + SET_SIZESTATDESC(3632, "responses sent 3632-3647 bytes", "3632-3647", + out); + SET_SIZESTATDESC(3648, "responses sent 3648-3663 bytes", "3648-3663", + out); + SET_SIZESTATDESC(3664, "responses sent 3664-3679 bytes", "3664-3679", + out); + SET_SIZESTATDESC(3680, "responses sent 3680-3695 bytes", "3680-3695", + out); + SET_SIZESTATDESC(3696, "responses sent 3696-3711 bytes", "3696-3711", + out); + SET_SIZESTATDESC(3712, "responses sent 3712-3727 bytes", "3712-3727", + out); + SET_SIZESTATDESC(3728, "responses sent 3728-3743 bytes", "3728-3743", + out); + SET_SIZESTATDESC(3744, "responses sent 3744-3759 bytes", "3744-3759", + out); + SET_SIZESTATDESC(3760, "responses sent 3760-3775 bytes", "3760-3775", + out); + SET_SIZESTATDESC(3776, "responses sent 3776-3791 bytes", "3776-3791", + out); + SET_SIZESTATDESC(3792, "responses sent 3792-3807 bytes", "3792-3807", + out); + SET_SIZESTATDESC(3808, "responses sent 3808-3823 bytes", "3808-3823", + out); + SET_SIZESTATDESC(3824, "responses sent 3824-3839 bytes", "3824-3839", + out); + SET_SIZESTATDESC(3840, "responses sent 3840-3855 bytes", "3840-3855", + out); + SET_SIZESTATDESC(3856, "responses sent 3856-3871 bytes", "3856-3871", + out); + SET_SIZESTATDESC(3872, "responses sent 3872-3887 bytes", "3872-3887", + out); + SET_SIZESTATDESC(3888, "responses sent 3888-3903 bytes", "3888-3903", + out); + SET_SIZESTATDESC(3904, "responses sent 3904-3919 bytes", "3904-3919", + out); + SET_SIZESTATDESC(3920, "responses sent 3920-3935 bytes", "3920-3935", + out); + SET_SIZESTATDESC(3936, "responses sent 3936-3951 bytes", "3936-3951", + out); + SET_SIZESTATDESC(3952, "responses sent 3952-3967 bytes", "3952-3967", + out); + SET_SIZESTATDESC(3968, "responses sent 3968-3983 bytes", "3968-3983", + out); + SET_SIZESTATDESC(3984, "responses sent 3984-3999 bytes", "3984-3999", + out); + SET_SIZESTATDESC(4000, "responses sent 4000-4015 bytes", "4000-4015", + out); + SET_SIZESTATDESC(4016, "responses sent 4016-4031 bytes", "4016-4031", + out); + SET_SIZESTATDESC(4032, "responses sent 4032-4047 bytes", "4032-4047", + out); + SET_SIZESTATDESC(4048, "responses sent 4048-4063 bytes", "4048-4063", + out); + SET_SIZESTATDESC(4064, "responses sent 4064-4079 bytes", "4064-4079", + out); + SET_SIZESTATDESC(4080, "responses sent 4080-4095 bytes", "4080-4095", + out); + SET_SIZESTATDESC(4096, "responses sent 4096+ bytes", "4096+", out); + INSIST(i == dns_sizecounter_out_max); + + /* Sanity check */ + for (i = 0; i < ns_statscounter_max; i++) { + INSIST(nsstats_desc[i] != NULL); + } + for (i = 0; i < dns_resstatscounter_max; i++) { + INSIST(resstats_desc[i] != NULL); + } + for (i = 0; i < dns_adbstats_max; i++) { + INSIST(adbstats_desc[i] != NULL); + } + for (i = 0; i < dns_zonestatscounter_max; i++) { + INSIST(zonestats_desc[i] != NULL); + } + for (i = 0; i < isc_sockstatscounter_max; i++) { + INSIST(sockstats_desc[i] != NULL); + } + for (i = 0; i < dns_dnssecstats_max; i++) { + INSIST(dnssecstats_desc[i] != NULL); + } + for (i = 0; i < dns_sizecounter_in_max; i++) { + INSIST(udpinsizestats_desc[i] != NULL); + INSIST(tcpinsizestats_desc[i] != NULL); + } + for (i = 0; i < dns_sizecounter_out_max; i++) { + INSIST(udpoutsizestats_desc[i] != NULL); + INSIST(tcpoutsizestats_desc[i] != NULL); + } +#if defined(EXTENDED_STATS) + for (i = 0; i < ns_statscounter_max; i++) { + INSIST(nsstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_resstatscounter_max; i++) { + INSIST(resstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_adbstats_max; i++) { + INSIST(adbstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_zonestatscounter_max; i++) { + INSIST(zonestats_xmldesc[i] != NULL); + } + for (i = 0; i < isc_sockstatscounter_max; i++) { + INSIST(sockstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_dnssecstats_max; i++) { + INSIST(dnssecstats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_sizecounter_in_max; i++) { + INSIST(udpinsizestats_xmldesc[i] != NULL); + INSIST(tcpinsizestats_xmldesc[i] != NULL); + } + for (i = 0; i < dns_sizecounter_out_max; i++) { + INSIST(udpoutsizestats_xmldesc[i] != NULL); + INSIST(tcpoutsizestats_xmldesc[i] != NULL); + } +#endif /* if defined(EXTENDED_STATS) */ +} + +/*% + * Dump callback functions. + */ +static void +generalstat_dump(isc_statscounter_t counter, uint64_t val, void *arg) { + stats_dumparg_t *dumparg = arg; + + REQUIRE(counter < dumparg->ncounters); + dumparg->countervalues[counter] = val; +} + +static isc_result_t +dump_counters(isc_stats_t *stats, isc_statsformat_t type, void *arg, + const char *category, const char **desc, int ncounters, + int *indices, uint64_t *values, int options) { + int i, idx; + uint64_t value; + stats_dumparg_t dumparg; + FILE *fp; +#ifdef HAVE_LIBXML2 + void *writer; + int xmlrc; +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + json_object *job, *cat, *counter; +#endif /* ifdef HAVE_JSON_C */ + +#if !defined(EXTENDED_STATS) + UNUSED(category); +#endif /* if !defined(EXTENDED_STATS) */ + + dumparg.type = type; + dumparg.ncounters = ncounters; + dumparg.counterindices = indices; + dumparg.countervalues = values; + + memset(values, 0, sizeof(values[0]) * ncounters); + isc_stats_dump(stats, generalstat_dump, &dumparg, options); + +#ifdef HAVE_JSON_C + cat = job = (json_object *)arg; + if (ncounters > 0 && type == isc_statsformat_json) { + if (category != NULL) { + cat = json_object_new_object(); + if (cat == NULL) { + return (ISC_R_NOMEMORY); + } + json_object_object_add(job, category, cat); + } + } +#endif /* ifdef HAVE_JSON_C */ + + for (i = 0; i < ncounters; i++) { + idx = indices[i]; + value = values[idx]; + + if (value == 0 && (options & ISC_STATSDUMP_VERBOSE) == 0) { + continue; + } + + switch (dumparg.type) { + case isc_statsformat_file: + fp = arg; + fprintf(fp, "%20" PRIu64 " %s\n", value, desc[idx]); + break; + case isc_statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = arg; + + if (category != NULL) { + /* <NameOfCategory> */ + TRY0(xmlTextWriterStartElement( + writer, ISC_XMLCHAR category)); + + /* <name> inside category */ + TRY0(xmlTextWriterStartElement( + writer, ISC_XMLCHAR "name")); + TRY0(xmlTextWriterWriteString( + writer, ISC_XMLCHAR desc[idx])); + TRY0(xmlTextWriterEndElement(writer)); + /* </name> */ + + /* <counter> */ + TRY0(xmlTextWriterStartElement( + writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteFormatString( + writer, "%" PRIu64, value)); + + TRY0(xmlTextWriterEndElement(writer)); + /* </counter> */ + TRY0(xmlTextWriterEndElement(writer)); + /* </NameOfCategory> */ + } else { + TRY0(xmlTextWriterStartElement( + writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteAttribute( + writer, ISC_XMLCHAR "name", + ISC_XMLCHAR desc[idx])); + TRY0(xmlTextWriterWriteFormatString( + writer, "%" PRIu64, value)); + TRY0(xmlTextWriterEndElement(writer)); + /* counter */ + } + +#endif /* ifdef HAVE_LIBXML2 */ + break; + case isc_statsformat_json: +#ifdef HAVE_JSON_C + counter = json_object_new_int64(value); + if (counter == NULL) { + return (ISC_R_NOMEMORY); + } + json_object_object_add(cat, desc[idx], counter); +#endif /* ifdef HAVE_JSON_C */ + break; + } + } + return (ISC_R_SUCCESS); +#ifdef HAVE_LIBXML2 +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at dump_counters()"); + return (ISC_R_FAILURE); +#endif /* ifdef HAVE_LIBXML2 */ +} + +static void +rdtypestat_dump(dns_rdatastatstype_t type, uint64_t val, void *arg) { + char typebuf[64]; + const char *typestr; + stats_dumparg_t *dumparg = arg; + FILE *fp; +#ifdef HAVE_LIBXML2 + void *writer; + int xmlrc; +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + json_object *zoneobj, *obj; +#endif /* ifdef HAVE_JSON_C */ + + if ((DNS_RDATASTATSTYPE_ATTR(type) & + DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) == 0) + { + dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf, + sizeof(typebuf)); + typestr = typebuf; + } else { + typestr = "Others"; + } + + switch (dumparg->type) { + case isc_statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" PRIu64 " %s\n", val, typestr); + break; + case isc_statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "name", + ISC_XMLCHAR typestr)); + + TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64, val)); + + TRY0(xmlTextWriterEndElement(writer)); /* type */ +#endif /* ifdef HAVE_LIBXML2 */ + break; + case isc_statsformat_json: +#ifdef HAVE_JSON_C + zoneobj = (json_object *)dumparg->arg; + obj = json_object_new_int64(val); + if (obj == NULL) { + return; + } + json_object_object_add(zoneobj, typestr, obj); +#endif /* ifdef HAVE_JSON_C */ + break; + } + return; +#ifdef HAVE_LIBXML2 +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at rdtypestat_dump()"); + dumparg->result = ISC_R_FAILURE; + return; +#endif /* ifdef HAVE_LIBXML2 */ +} + +static bool +rdatastatstype_attr(dns_rdatastatstype_t type, unsigned int attr) { + return ((DNS_RDATASTATSTYPE_ATTR(type) & attr) != 0); +} + +static void +rdatasetstats_dump(dns_rdatastatstype_t type, uint64_t val, void *arg) { + stats_dumparg_t *dumparg = arg; + FILE *fp; + char typebuf[64]; + const char *typestr; + bool nxrrset = false; + bool stale = false; + bool ancient = false; +#ifdef HAVE_LIBXML2 + void *writer; + int xmlrc; +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + json_object *zoneobj, *obj; + char buf[1024]; +#endif /* ifdef HAVE_JSON_C */ + + if ((DNS_RDATASTATSTYPE_ATTR(type) & + DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) != 0) + { + typestr = "NXDOMAIN"; + } else if ((DNS_RDATASTATSTYPE_ATTR(type) & + DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) != 0) + { + typestr = "Others"; + } else { + dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf, + sizeof(typebuf)); + typestr = typebuf; + } + + nxrrset = rdatastatstype_attr(type, DNS_RDATASTATSTYPE_ATTR_NXRRSET); + stale = rdatastatstype_attr(type, DNS_RDATASTATSTYPE_ATTR_STALE); + ancient = rdatastatstype_attr(type, DNS_RDATASTATSTYPE_ATTR_ANCIENT); + + switch (dumparg->type) { + case isc_statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" PRIu64 " %s%s%s%s\n", val, ancient ? "~" : "", + stale ? "#" : "", nxrrset ? "!" : "", typestr); + break; + case isc_statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "rrset")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "name")); + TRY0(xmlTextWriterWriteFormatString( + writer, "%s%s%s%s", ancient ? "~" : "", + stale ? "#" : "", nxrrset ? "!" : "", typestr)); + TRY0(xmlTextWriterEndElement(writer)); /* name */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64, val)); + TRY0(xmlTextWriterEndElement(writer)); /* counter */ + + TRY0(xmlTextWriterEndElement(writer)); /* rrset */ +#endif /* ifdef HAVE_LIBXML2 */ + break; + case isc_statsformat_json: +#ifdef HAVE_JSON_C + zoneobj = (json_object *)dumparg->arg; + snprintf(buf, sizeof(buf), "%s%s%s%s", ancient ? "~" : "", + stale ? "#" : "", nxrrset ? "!" : "", typestr); + obj = json_object_new_int64(val); + if (obj == NULL) { + return; + } + json_object_object_add(zoneobj, buf, obj); +#endif /* ifdef HAVE_JSON_C */ + break; + } + return; +#ifdef HAVE_LIBXML2 +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at rdatasetstats_dump()"); + dumparg->result = ISC_R_FAILURE; +#endif /* ifdef HAVE_LIBXML2 */ +} + +static void +opcodestat_dump(dns_opcode_t code, uint64_t val, void *arg) { + FILE *fp; + isc_buffer_t b; + char codebuf[64]; + stats_dumparg_t *dumparg = arg; +#ifdef HAVE_LIBXML2 + void *writer; + int xmlrc; +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + json_object *zoneobj, *obj; +#endif /* ifdef HAVE_JSON_C */ + + isc_buffer_init(&b, codebuf, sizeof(codebuf) - 1); + dns_opcode_totext(code, &b); + codebuf[isc_buffer_usedlength(&b)] = '\0'; + + switch (dumparg->type) { + case isc_statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" PRIu64 " %s\n", val, codebuf); + break; + case isc_statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "name", + ISC_XMLCHAR codebuf)); + TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64, val)); + TRY0(xmlTextWriterEndElement(writer)); /* counter */ +#endif /* ifdef HAVE_LIBXML2 */ + break; + case isc_statsformat_json: +#ifdef HAVE_JSON_C + zoneobj = (json_object *)dumparg->arg; + obj = json_object_new_int64(val); + if (obj == NULL) { + return; + } + json_object_object_add(zoneobj, codebuf, obj); +#endif /* ifdef HAVE_JSON_C */ + break; + } + return; + +#ifdef HAVE_LIBXML2 +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at opcodestat_dump()"); + dumparg->result = ISC_R_FAILURE; + return; +#endif /* ifdef HAVE_LIBXML2 */ +} + +static void +rcodestat_dump(dns_rcode_t code, uint64_t val, void *arg) { + FILE *fp; + isc_buffer_t b; + char codebuf[64]; + stats_dumparg_t *dumparg = arg; +#ifdef HAVE_LIBXML2 + void *writer; + int xmlrc; +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + json_object *zoneobj, *obj; +#endif /* ifdef HAVE_JSON_C */ + + isc_buffer_init(&b, codebuf, sizeof(codebuf) - 1); + dns_rcode_totext(code, &b); + codebuf[isc_buffer_usedlength(&b)] = '\0'; + + switch (dumparg->type) { + case isc_statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" PRIu64 " %s\n", val, codebuf); + break; + case isc_statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "name", + ISC_XMLCHAR codebuf)); + TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64, val)); + TRY0(xmlTextWriterEndElement(writer)); /* counter */ +#endif /* ifdef HAVE_LIBXML2 */ + break; + case isc_statsformat_json: +#ifdef HAVE_JSON_C + zoneobj = (json_object *)dumparg->arg; + obj = json_object_new_int64(val); + if (obj == NULL) { + return; + } + json_object_object_add(zoneobj, codebuf, obj); +#endif /* ifdef HAVE_JSON_C */ + break; + } + return; + +#ifdef HAVE_LIBXML2 +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at rcodestat_dump()"); + dumparg->result = ISC_R_FAILURE; + return; +#endif /* ifdef HAVE_LIBXML2 */ +} + +#if defined(EXTENDED_STATS) +static void +dnssecsignstat_dump(dns_keytag_t tag, uint64_t val, void *arg) { + FILE *fp; + char tagbuf[64]; + stats_dumparg_t *dumparg = arg; +#ifdef HAVE_LIBXML2 + xmlTextWriterPtr writer; + int xmlrc; +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + json_object *zoneobj, *obj; +#endif /* ifdef HAVE_JSON_C */ + + snprintf(tagbuf, sizeof(tagbuf), "%u", tag); + + switch (dumparg->type) { + case isc_statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" PRIu64 " %s\n", val, tagbuf); + break; + case isc_statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "name", + ISC_XMLCHAR tagbuf)); + TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64, val)); + TRY0(xmlTextWriterEndElement(writer)); /* counter */ +#endif /* ifdef HAVE_LIBXML2 */ + break; + case isc_statsformat_json: +#ifdef HAVE_JSON_C + zoneobj = (json_object *)dumparg->arg; + obj = json_object_new_int64(val); + if (obj == NULL) { + return; + } + json_object_object_add(zoneobj, tagbuf, obj); +#endif /* ifdef HAVE_JSON_C */ + break; + } + return; +#ifdef HAVE_LIBXML2 +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at dnssecsignstat_dump()"); + dumparg->result = ISC_R_FAILURE; + return; +#endif /* ifdef HAVE_LIBXML2 */ +} +#endif /* defined(EXTENDED_STATS) */ + +#ifdef HAVE_LIBXML2 +/* + * Which statistics to include when rendering to XML + */ +#define STATS_XML_STATUS 0x00 /* display only common statistics */ +#define STATS_XML_SERVER 0x01 +#define STATS_XML_ZONES 0x02 +#define STATS_XML_TASKS 0x04 +#define STATS_XML_NET 0x08 +#define STATS_XML_MEM 0x10 +#define STATS_XML_TRAFFIC 0x20 +#define STATS_XML_ALL 0xff + +static isc_result_t +zone_xmlrender(dns_zone_t *zone, void *arg) { + isc_result_t result; + char buf[1024 + 32]; /* sufficiently large for zone name and class */ + dns_rdataclass_t rdclass; + uint32_t serial; + xmlTextWriterPtr writer = arg; + dns_zonestat_level_t statlevel; + int xmlrc; + stats_dumparg_t dumparg; + const char *ztype; + + statlevel = dns_zone_getstatlevel(zone); + if (statlevel == dns_zonestat_none) { + return (ISC_R_SUCCESS); + } + + dumparg.type = isc_statsformat_xml; + dumparg.arg = writer; + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "zone")); + + dns_zone_nameonly(zone, buf, sizeof(buf)); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "name", + ISC_XMLCHAR buf)); + + rdclass = dns_zone_getclass(zone); + dns_rdataclass_format(rdclass, buf, sizeof(buf)); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "rdataclass", + ISC_XMLCHAR buf)); + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "type")); + ztype = user_zonetype(zone); + if (ztype != NULL) { + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR ztype)); + } else { + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR "unknown")); + } + TRY0(xmlTextWriterEndElement(writer)); /* type */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "serial")); + if (dns_zone_getserial(zone, &serial) == ISC_R_SUCCESS) { + TRY0(xmlTextWriterWriteFormatString(writer, "%u", serial)); + } else { + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR "-")); + } + TRY0(xmlTextWriterEndElement(writer)); /* serial */ + + /* + * Export zone timers to the statistics channel in XML format. For + * master zones, only include the loaded time. For slave zones, also + * include the expires and refresh times. + */ + isc_time_t timestamp; + + result = dns_zone_getloadtime(zone, ×tamp); + if (result != ISC_R_SUCCESS) { + goto error; + } + + isc_time_formatISO8601(×tamp, buf, 64); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "loaded")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR buf)); + TRY0(xmlTextWriterEndElement(writer)); + + if (dns_zone_gettype(zone) == dns_zone_secondary) { + result = dns_zone_getexpiretime(zone, ×tamp); + if (result != ISC_R_SUCCESS) { + goto error; + } + isc_time_formatISO8601(×tamp, buf, 64); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "expires")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR buf)); + TRY0(xmlTextWriterEndElement(writer)); + + result = dns_zone_getrefreshtime(zone, ×tamp); + if (result != ISC_R_SUCCESS) { + goto error; + } + isc_time_formatISO8601(×tamp, buf, 64); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "refresh")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR buf)); + TRY0(xmlTextWriterEndElement(writer)); + } + + if (statlevel == dns_zonestat_full) { + isc_stats_t *zonestats; + isc_stats_t *gluecachestats; + dns_stats_t *rcvquerystats; + dns_stats_t *dnssecsignstats; + uint64_t nsstat_values[ns_statscounter_max]; + uint64_t gluecachestats_values[dns_gluecachestatscounter_max]; + + zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) { + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, + ISC_XMLCHAR "type", + ISC_XMLCHAR "rcode")); + + result = dump_counters(zonestats, isc_statsformat_xml, + writer, NULL, nsstats_xmldesc, + ns_statscounter_max, + nsstats_index, nsstat_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + /* counters type="rcode"*/ + TRY0(xmlTextWriterEndElement(writer)); + } + + gluecachestats = dns_zone_getgluecachestats(zone); + if (gluecachestats != NULL) { + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute( + writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "gluecache")); + + result = dump_counters( + gluecachestats, isc_statsformat_xml, writer, + NULL, gluecachestats_xmldesc, + dns_gluecachestatscounter_max, + gluecachestats_index, gluecachestats_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + /* counters type="rcode"*/ + TRY0(xmlTextWriterEndElement(writer)); + } + + rcvquerystats = dns_zone_getrcvquerystats(zone); + if (rcvquerystats != NULL) { + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, + ISC_XMLCHAR "type", + ISC_XMLCHAR "qtype")); + + dumparg.result = ISC_R_SUCCESS; + dns_rdatatypestats_dump(rcvquerystats, rdtypestat_dump, + &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + + /* counters type="qtype"*/ + TRY0(xmlTextWriterEndElement(writer)); + } + + dnssecsignstats = dns_zone_getdnssecsignstats(zone); + if (dnssecsignstats != NULL) { + /* counters type="dnssec-sign"*/ + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute( + writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "dnssec-sign")); + + dumparg.result = ISC_R_SUCCESS; + dns_dnssecsignstats_dump( + dnssecsignstats, dns_dnssecsignstats_sign, + dnssecsignstat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + + /* counters type="dnssec-sign"*/ + TRY0(xmlTextWriterEndElement(writer)); + + /* counters type="dnssec-refresh"*/ + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute( + writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "dnssec-refresh")); + + dumparg.result = ISC_R_SUCCESS; + dns_dnssecsignstats_dump( + dnssecsignstats, dns_dnssecsignstats_refresh, + dnssecsignstat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + + /* counters type="dnssec-refresh"*/ + TRY0(xmlTextWriterEndElement(writer)); + } + } + + TRY0(xmlTextWriterEndElement(writer)); /* zone */ + + return (ISC_R_SUCCESS); +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "Failed at zone_xmlrender()"); + return (ISC_R_FAILURE); +} + +static isc_result_t +generatexml(named_server_t *server, uint32_t flags, int *buflen, + xmlChar **buf) { + char boottime[sizeof "yyyy-mm-ddThh:mm:ss.sssZ"]; + char configtime[sizeof "yyyy-mm-ddThh:mm:ss.sssZ"]; + char nowstr[sizeof "yyyy-mm-ddThh:mm:ss.sssZ"]; + isc_time_t now; + xmlTextWriterPtr writer = NULL; + xmlDocPtr doc = NULL; + int xmlrc; + dns_view_t *view; + stats_dumparg_t dumparg; + dns_stats_t *cacherrstats; + uint64_t nsstat_values[ns_statscounter_max]; + uint64_t resstat_values[dns_resstatscounter_max]; + uint64_t adbstat_values[dns_adbstats_max]; + uint64_t zonestat_values[dns_zonestatscounter_max]; + uint64_t sockstat_values[isc_sockstatscounter_max]; + uint64_t udpinsizestat_values[dns_sizecounter_in_max]; + uint64_t udpoutsizestat_values[dns_sizecounter_out_max]; + uint64_t tcpinsizestat_values[dns_sizecounter_in_max]; + uint64_t tcpoutsizestat_values[dns_sizecounter_out_max]; +#ifdef HAVE_DNSTAP + uint64_t dnstapstat_values[dns_dnstapcounter_max]; +#endif /* ifdef HAVE_DNSTAP */ + isc_result_t result; + + isc_time_now(&now); + isc_time_formatISO8601ms(&named_g_boottime, boottime, sizeof boottime); + isc_time_formatISO8601ms(&named_g_configtime, configtime, + sizeof configtime); + isc_time_formatISO8601ms(&now, nowstr, sizeof nowstr); + + writer = xmlNewTextWriterDoc(&doc, 0); + if (writer == NULL) { + goto error; + } + TRY0(xmlTextWriterStartDocument(writer, NULL, "UTF-8", NULL)); + TRY0(xmlTextWriterWritePI(writer, ISC_XMLCHAR "xml-stylesheet", + ISC_XMLCHAR "type=\"text/xsl\" " + "href=\"/bind9.xsl\"")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "statistics")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version", + ISC_XMLCHAR "3.11.1")); + + /* Set common fields for statistics dump */ + dumparg.type = isc_statsformat_xml; + dumparg.arg = writer; + + /* Render server information */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "server")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "boot-time")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR boottime)); + TRY0(xmlTextWriterEndElement(writer)); /* boot-time */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "config-time")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR configtime)); + TRY0(xmlTextWriterEndElement(writer)); /* config-time */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "current-time")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR nowstr)); + TRY0(xmlTextWriterEndElement(writer)); /* current-time */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "version")); + TRY0(xmlTextWriterWriteString(writer, ISC_XMLCHAR named_g_version)); + TRY0(xmlTextWriterEndElement(writer)); /* version */ + + if ((flags & STATS_XML_SERVER) != 0) { + dumparg.result = ISC_R_SUCCESS; + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "opcode")); + + dns_opcodestats_dump(server->sctx->opcodestats, opcodestat_dump, + &dumparg, ISC_STATSDUMP_VERBOSE); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "rcode")); + + dns_rcodestats_dump(server->sctx->rcodestats, rcodestat_dump, + &dumparg, ISC_STATSDUMP_VERBOSE); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "qtype")); + + dumparg.result = ISC_R_SUCCESS; + dns_rdatatypestats_dump(server->sctx->rcvquerystats, + rdtypestat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + TRY0(xmlTextWriterEndElement(writer)); /* counters */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "nsstat")); + + result = dump_counters(ns_stats_get(server->sctx->nsstats), + isc_statsformat_xml, writer, NULL, + nsstats_xmldesc, ns_statscounter_max, + nsstats_index, nsstat_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* /nsstat */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "zonestat")); + + result = dump_counters(server->zonestats, isc_statsformat_xml, + writer, NULL, zonestats_xmldesc, + dns_zonestatscounter_max, + zonestats_index, zonestat_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* /zonestat */ + + /* + * Most of the common resolver statistics entries are 0, so + * we don't use the verbose dump here. + */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "resstat")); + result = dump_counters( + server->resolverstats, isc_statsformat_xml, writer, + NULL, resstats_xmldesc, dns_resstatscounter_max, + resstats_index, resstat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + TRY0(xmlTextWriterEndElement(writer)); /* resstat */ + +#ifdef HAVE_DNSTAP + if (server->dtenv != NULL) { + isc_stats_t *dnstapstats = NULL; + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, + ISC_XMLCHAR "type", + ISC_XMLCHAR "dnstap")); + dns_dt_getstats(named_g_server->dtenv, &dnstapstats); + result = dump_counters( + dnstapstats, isc_statsformat_xml, writer, NULL, + dnstapstats_xmldesc, dns_dnstapcounter_max, + dnstapstats_index, dnstapstat_values, 0); + isc_stats_detach(&dnstapstats); + if (result != ISC_R_SUCCESS) { + goto error; + } + TRY0(xmlTextWriterEndElement(writer)); /* dnstap */ + } +#endif /* ifdef HAVE_DNSTAP */ + } + + if ((flags & STATS_XML_NET) != 0) { + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "sockstat")); + + result = dump_counters(server->sockstats, isc_statsformat_xml, + writer, NULL, sockstats_xmldesc, + isc_sockstatscounter_max, + sockstats_index, sockstat_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* /sockstat */ + } + TRY0(xmlTextWriterEndElement(writer)); /* /server */ + + if ((flags & STATS_XML_TRAFFIC) != 0) { + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "traffic")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "ipv4")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "udp")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "request-size")); + + result = dump_counters( + server->sctx->udpinstats4, isc_statsformat_xml, writer, + NULL, udpinsizestats_xmldesc, dns_sizecounter_in_max, + udpinsizestats_index, udpinsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "response-size")); + + result = dump_counters( + server->sctx->udpoutstats4, isc_statsformat_xml, writer, + NULL, udpoutsizestats_xmldesc, dns_sizecounter_out_max, + udpoutsizestats_index, udpoutsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + TRY0(xmlTextWriterEndElement(writer)); /* </udp> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "tcp")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "request-size")); + + result = dump_counters( + server->sctx->tcpinstats4, isc_statsformat_xml, writer, + NULL, tcpinsizestats_xmldesc, dns_sizecounter_in_max, + tcpinsizestats_index, tcpinsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "response-size")); + + result = dump_counters( + server->sctx->tcpoutstats4, isc_statsformat_xml, writer, + NULL, tcpoutsizestats_xmldesc, dns_sizecounter_out_max, + tcpoutsizestats_index, tcpoutsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + TRY0(xmlTextWriterEndElement(writer)); /* </tcp> */ + TRY0(xmlTextWriterEndElement(writer)); /* </ipv4> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "ipv6")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "udp")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "request-size")); + + result = dump_counters( + server->sctx->udpinstats6, isc_statsformat_xml, writer, + NULL, udpinsizestats_xmldesc, dns_sizecounter_in_max, + udpinsizestats_index, udpinsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "response-size")); + + result = dump_counters( + server->sctx->udpoutstats6, isc_statsformat_xml, writer, + NULL, udpoutsizestats_xmldesc, dns_sizecounter_out_max, + udpoutsizestats_index, udpoutsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + TRY0(xmlTextWriterEndElement(writer)); /* </udp> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "tcp")); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "request-size")); + + result = dump_counters( + server->sctx->tcpinstats6, isc_statsformat_xml, writer, + NULL, tcpinsizestats_xmldesc, dns_sizecounter_in_max, + tcpinsizestats_index, tcpinsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "response-size")); + + result = dump_counters( + server->sctx->tcpoutstats6, isc_statsformat_xml, writer, + NULL, tcpoutsizestats_xmldesc, dns_sizecounter_out_max, + tcpoutsizestats_index, tcpoutsizestat_values, 0); + if (result != ISC_R_SUCCESS) { + goto error; + } + + TRY0(xmlTextWriterEndElement(writer)); /* </counters> */ + TRY0(xmlTextWriterEndElement(writer)); /* </tcp> */ + TRY0(xmlTextWriterEndElement(writer)); /* </ipv6> */ + TRY0(xmlTextWriterEndElement(writer)); /* </traffic> */ + } + + /* + * Render views. For each view we know of, call its + * rendering function. + */ + view = ISC_LIST_HEAD(server->viewlist); + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "views")); + while (view != NULL && + ((flags & (STATS_XML_SERVER | STATS_XML_ZONES)) != 0)) + { + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "view")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "name", + ISC_XMLCHAR view->name)); + + if ((flags & STATS_XML_ZONES) != 0) { + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "zones")); + CHECK(dns_zt_apply(view->zonetable, isc_rwlocktype_read, + true, NULL, zone_xmlrender, writer)); + TRY0(xmlTextWriterEndElement(writer)); /* /zones */ + } + + if ((flags & STATS_XML_SERVER) == 0) { + TRY0(xmlTextWriterEndElement(writer)); /* /view */ + view = ISC_LIST_NEXT(view, link); + continue; + } + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "resqtype")); + + if (view->resquerystats != NULL) { + dumparg.result = ISC_R_SUCCESS; + dns_rdatatypestats_dump(view->resquerystats, + rdtypestat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + } + TRY0(xmlTextWriterEndElement(writer)); + + /* <resstats> */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "resstats")); + if (view->resstats != NULL) { + result = dump_counters( + view->resstats, isc_statsformat_xml, writer, + NULL, resstats_xmldesc, dns_resstatscounter_max, + resstats_index, resstat_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + } + TRY0(xmlTextWriterEndElement(writer)); /* </resstats> */ + + cacherrstats = dns_db_getrrsetstats(view->cachedb); + if (cacherrstats != NULL) { + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "cache")); + TRY0(xmlTextWriterWriteAttribute( + writer, ISC_XMLCHAR "name", + ISC_XMLCHAR dns_cache_getname(view->cache))); + dumparg.result = ISC_R_SUCCESS; + dns_rdatasetstats_dump(cacherrstats, rdatasetstats_dump, + &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + goto error; + } + TRY0(xmlTextWriterEndElement(writer)); /* cache */ + } + + /* <adbstats> */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "adbstat")); + if (view->adbstats != NULL) { + result = dump_counters( + view->adbstats, isc_statsformat_xml, writer, + NULL, adbstats_xmldesc, dns_adbstats_max, + adbstats_index, adbstat_values, + ISC_STATSDUMP_VERBOSE); + if (result != ISC_R_SUCCESS) { + goto error; + } + } + TRY0(xmlTextWriterEndElement(writer)); /* </adbstats> */ + + /* <cachestats> */ + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); + TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "type", + ISC_XMLCHAR "cachestats")); + TRY0(dns_cache_renderxml(view->cache, writer)); + TRY0(xmlTextWriterEndElement(writer)); /* </cachestats> */ + + TRY0(xmlTextWriterEndElement(writer)); /* view */ + + view = ISC_LIST_NEXT(view, link); + } + TRY0(xmlTextWriterEndElement(writer)); /* /views */ + + if ((flags & STATS_XML_NET) != 0) { + TRY0(xmlTextWriterStartElement(writer, + ISC_XMLCHAR "socketmgr")); + TRY0(isc_socketmgr_renderxml(named_g_socketmgr, writer)); + TRY0(xmlTextWriterEndElement(writer)); /* /socketmgr */ + } + + if ((flags & STATS_XML_TASKS) != 0) { + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "taskmgr")); + TRY0(isc_taskmgr_renderxml(named_g_taskmgr, writer)); + TRY0(xmlTextWriterEndElement(writer)); /* /taskmgr */ + } + + if ((flags & STATS_XML_MEM) != 0) { + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "memory")); + TRY0(isc_mem_renderxml(writer)); + TRY0(xmlTextWriterEndElement(writer)); /* /memory */ + } + + TRY0(xmlTextWriterEndElement(writer)); /* /statistics */ + TRY0(xmlTextWriterEndDocument(writer)); + + xmlDocDumpFormatMemoryEnc(doc, buf, buflen, "UTF-8", 0); + if (*buf == NULL) { + goto error; + } + + xmlFreeTextWriter(writer); + xmlFreeDoc(doc); + return (ISC_R_SUCCESS); + +error: + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed generating XML response"); + if (writer != NULL) { + xmlFreeTextWriter(writer); + } + if (doc != NULL) { + xmlFreeDoc(doc); + } + return (ISC_R_FAILURE); +} + +static void +wrap_xmlfree(isc_buffer_t *buffer, void *arg) { + UNUSED(arg); + + xmlFree(isc_buffer_base(buffer)); +} + +static isc_result_t +render_xml(uint32_t flags, const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, const char **mimetype, + isc_buffer_t *b, isc_httpdfree_t **freecb, void **freecb_args) { + unsigned char *msg = NULL; + int msglen; + named_server_t *server = arg; + isc_result_t result; + + UNUSED(url); + UNUSED(urlinfo); + UNUSED(headers); + UNUSED(querystring); + + result = generatexml(server, flags, &msglen, &msg); + + if (result == ISC_R_SUCCESS) { + *retcode = 200; + *retmsg = "OK"; + *mimetype = "text/xml"; + isc_buffer_reinit(b, msg, msglen); + isc_buffer_add(b, msglen); + *freecb = wrap_xmlfree; + *freecb_args = NULL; + } else { + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at rendering XML()"); + } + + return (result); +} + +static isc_result_t +render_xml_all(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, isc_httpdfree_t **freecb, + void **freecb_args) { + return (render_xml(STATS_XML_ALL, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_status(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_xml(STATS_XML_STATUS, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_server(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_xml(STATS_XML_SERVER, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_zones(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_xml(STATS_XML_ZONES, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_net(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, isc_httpdfree_t **freecb, + void **freecb_args) { + return (render_xml(STATS_XML_NET, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_tasks(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_xml(STATS_XML_TASKS, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_mem(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, isc_httpdfree_t **freecb, + void **freecb_args) { + return (render_xml(STATS_XML_MEM, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_xml_traffic(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_xml(STATS_XML_TRAFFIC, url, urlinfo, querystring, + headers, arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +#endif /* HAVE_LIBXML2 */ + +#ifdef HAVE_JSON_C +/* + * Which statistics to include when rendering to JSON + */ +#define STATS_JSON_STATUS 0x00 /* display only common statistics */ +#define STATS_JSON_SERVER 0x01 +#define STATS_JSON_ZONES 0x02 +#define STATS_JSON_TASKS 0x04 +#define STATS_JSON_NET 0x08 +#define STATS_JSON_MEM 0x10 +#define STATS_JSON_TRAFFIC 0x20 +#define STATS_JSON_ALL 0xff + +#define CHECKMEM(m) \ + do { \ + if (m == NULL) { \ + result = ISC_R_NOMEMORY; \ + goto error; \ + } \ + } while (0) + +static void +wrap_jsonfree(isc_buffer_t *buffer, void *arg) { + json_object_put(isc_buffer_base(buffer)); + if (arg != NULL) { + json_object_put((json_object *)arg); + } +} + +static json_object * +addzone(char *name, char *classname, const char *ztype, uint32_t serial, + bool add_serial) { + json_object *node = json_object_new_object(); + + if (node == NULL) { + return (NULL); + } + + json_object_object_add(node, "name", json_object_new_string(name)); + json_object_object_add(node, "class", + json_object_new_string(classname)); + if (add_serial) { + json_object_object_add(node, "serial", + json_object_new_int64(serial)); + } + if (ztype != NULL) { + json_object_object_add(node, "type", + json_object_new_string(ztype)); + } + return (node); +} + +static isc_result_t +zone_jsonrender(dns_zone_t *zone, void *arg) { + isc_result_t result = ISC_R_SUCCESS; + char buf[1024 + 32]; /* sufficiently large for zone name and class */ + char classbuf[64]; /* sufficiently large for class */ + char *zone_name_only = NULL; + char *class_only = NULL; + dns_rdataclass_t rdclass; + uint32_t serial; + json_object *zonearray = (json_object *)arg; + json_object *zoneobj = NULL; + dns_zonestat_level_t statlevel; + + statlevel = dns_zone_getstatlevel(zone); + if (statlevel == dns_zonestat_none) { + return (ISC_R_SUCCESS); + } + + dns_zone_nameonly(zone, buf, sizeof(buf)); + zone_name_only = buf; + + rdclass = dns_zone_getclass(zone); + dns_rdataclass_format(rdclass, classbuf, sizeof(classbuf)); + class_only = classbuf; + + if (dns_zone_getserial(zone, &serial) != ISC_R_SUCCESS) { + zoneobj = addzone(zone_name_only, class_only, + user_zonetype(zone), 0, false); + } else { + zoneobj = addzone(zone_name_only, class_only, + user_zonetype(zone), serial, true); + } + + if (zoneobj == NULL) { + return (ISC_R_NOMEMORY); + } + + /* + * Export zone timers to the statistics channel in JSON format. For + * master zones, only include the loaded time. For slave zones, also + * include the expires and refresh times. + */ + + isc_time_t timestamp; + + result = dns_zone_getloadtime(zone, ×tamp); + if (result != ISC_R_SUCCESS) { + goto error; + } + + isc_time_formatISO8601(×tamp, buf, 64); + json_object_object_add(zoneobj, "loaded", json_object_new_string(buf)); + + if (dns_zone_gettype(zone) == dns_zone_secondary) { + result = dns_zone_getexpiretime(zone, ×tamp); + if (result != ISC_R_SUCCESS) { + goto error; + } + isc_time_formatISO8601(×tamp, buf, 64); + json_object_object_add(zoneobj, "expires", + json_object_new_string(buf)); + + result = dns_zone_getrefreshtime(zone, ×tamp); + if (result != ISC_R_SUCCESS) { + goto error; + } + isc_time_formatISO8601(×tamp, buf, 64); + json_object_object_add(zoneobj, "refresh", + json_object_new_string(buf)); + } + + if (statlevel == dns_zonestat_full) { + isc_stats_t *zonestats; + isc_stats_t *gluecachestats; + dns_stats_t *rcvquerystats; + dns_stats_t *dnssecsignstats; + uint64_t nsstat_values[ns_statscounter_max]; + uint64_t gluecachestats_values[dns_gluecachestatscounter_max]; + + zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) { + json_object *counters = json_object_new_object(); + if (counters == NULL) { + result = ISC_R_NOMEMORY; + goto error; + } + + result = dump_counters(zonestats, isc_statsformat_json, + counters, NULL, nsstats_xmldesc, + ns_statscounter_max, + nsstats_index, nsstat_values, 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(zoneobj, "rcodes", + counters); + } else { + json_object_put(counters); + } + } + + gluecachestats = dns_zone_getgluecachestats(zone); + if (gluecachestats != NULL) { + json_object *counters = json_object_new_object(); + if (counters == NULL) { + result = ISC_R_NOMEMORY; + goto error; + } + + result = dump_counters( + gluecachestats, isc_statsformat_json, counters, + NULL, gluecachestats_xmldesc, + dns_gluecachestatscounter_max, + gluecachestats_index, gluecachestats_values, 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(zoneobj, "gluecache", + counters); + } else { + json_object_put(counters); + } + } + + rcvquerystats = dns_zone_getrcvquerystats(zone); + if (rcvquerystats != NULL) { + stats_dumparg_t dumparg; + json_object *counters = json_object_new_object(); + CHECKMEM(counters); + + dumparg.type = isc_statsformat_json; + dumparg.arg = counters; + dumparg.result = ISC_R_SUCCESS; + dns_rdatatypestats_dump(rcvquerystats, rdtypestat_dump, + &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(zoneobj, "qtypes", + counters); + } else { + json_object_put(counters); + } + } + + dnssecsignstats = dns_zone_getdnssecsignstats(zone); + if (dnssecsignstats != NULL) { + stats_dumparg_t dumparg; + json_object *sign_counters = json_object_new_object(); + CHECKMEM(sign_counters); + + dumparg.type = isc_statsformat_json; + dumparg.arg = sign_counters; + dumparg.result = ISC_R_SUCCESS; + dns_dnssecsignstats_dump( + dnssecsignstats, dns_dnssecsignstats_sign, + dnssecsignstat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(sign_counters); + goto error; + } + + if (json_object_get_object(sign_counters)->count != 0) { + json_object_object_add(zoneobj, "dnssec-sign", + sign_counters); + } else { + json_object_put(sign_counters); + } + + json_object *refresh_counters = + json_object_new_object(); + CHECKMEM(refresh_counters); + + dumparg.type = isc_statsformat_json; + dumparg.arg = refresh_counters; + dumparg.result = ISC_R_SUCCESS; + dns_dnssecsignstats_dump( + dnssecsignstats, dns_dnssecsignstats_refresh, + dnssecsignstat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(refresh_counters); + goto error; + } + + if (json_object_get_object(refresh_counters)->count != + 0) + { + json_object_object_add(zoneobj, + "dnssec-refresh", + refresh_counters); + } else { + json_object_put(refresh_counters); + } + } + } + + json_object_array_add(zonearray, zoneobj); + zoneobj = NULL; + result = ISC_R_SUCCESS; + +error: + if (zoneobj != NULL) { + json_object_put(zoneobj); + } + return (result); +} + +static isc_result_t +generatejson(named_server_t *server, size_t *msglen, const char **msg, + json_object **rootp, uint32_t flags) { + dns_view_t *view; + isc_result_t result = ISC_R_SUCCESS; + json_object *bindstats, *viewlist, *counters, *obj; + json_object *traffic = NULL; + json_object *udpreq4 = NULL, *udpresp4 = NULL; + json_object *tcpreq4 = NULL, *tcpresp4 = NULL; + json_object *udpreq6 = NULL, *udpresp6 = NULL; + json_object *tcpreq6 = NULL, *tcpresp6 = NULL; + uint64_t nsstat_values[ns_statscounter_max]; + uint64_t resstat_values[dns_resstatscounter_max]; + uint64_t adbstat_values[dns_adbstats_max]; + uint64_t zonestat_values[dns_zonestatscounter_max]; + uint64_t sockstat_values[isc_sockstatscounter_max]; + uint64_t udpinsizestat_values[dns_sizecounter_in_max]; + uint64_t udpoutsizestat_values[dns_sizecounter_out_max]; + uint64_t tcpinsizestat_values[dns_sizecounter_in_max]; + uint64_t tcpoutsizestat_values[dns_sizecounter_out_max]; +#ifdef HAVE_DNSTAP + uint64_t dnstapstat_values[dns_dnstapcounter_max]; +#endif /* ifdef HAVE_DNSTAP */ + stats_dumparg_t dumparg; + char boottime[sizeof "yyyy-mm-ddThh:mm:ss.sssZ"]; + char configtime[sizeof "yyyy-mm-ddThh:mm:ss.sssZ"]; + char nowstr[sizeof "yyyy-mm-ddThh:mm:ss.sssZ"]; + isc_time_t now; + + REQUIRE(msglen != NULL); + REQUIRE(msg != NULL && *msg == NULL); + REQUIRE(rootp == NULL || *rootp == NULL); + + bindstats = json_object_new_object(); + if (bindstats == NULL) { + return (ISC_R_NOMEMORY); + } + + /* + * These statistics are included no matter which URL we use. + */ + obj = json_object_new_string("1.5.1"); + CHECKMEM(obj); + json_object_object_add(bindstats, "json-stats-version", obj); + + isc_time_now(&now); + isc_time_formatISO8601ms(&named_g_boottime, boottime, sizeof(boottime)); + isc_time_formatISO8601ms(&named_g_configtime, configtime, + sizeof configtime); + isc_time_formatISO8601ms(&now, nowstr, sizeof(nowstr)); + + obj = json_object_new_string(boottime); + CHECKMEM(obj); + json_object_object_add(bindstats, "boot-time", obj); + + obj = json_object_new_string(configtime); + CHECKMEM(obj); + json_object_object_add(bindstats, "config-time", obj); + + obj = json_object_new_string(nowstr); + CHECKMEM(obj); + json_object_object_add(bindstats, "current-time", obj); + obj = json_object_new_string(named_g_version); + CHECKMEM(obj); + json_object_object_add(bindstats, "version", obj); + + if ((flags & STATS_JSON_SERVER) != 0) { + /* OPCODE counters */ + counters = json_object_new_object(); + + dumparg.result = ISC_R_SUCCESS; + dumparg.type = isc_statsformat_json; + dumparg.arg = counters; + + dns_opcodestats_dump(server->sctx->opcodestats, opcodestat_dump, + &dumparg, ISC_STATSDUMP_VERBOSE); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "opcodes", counters); + } else { + json_object_put(counters); + } + + /* OPCODE counters */ + counters = json_object_new_object(); + + dumparg.type = isc_statsformat_json; + dumparg.arg = counters; + + dns_rcodestats_dump(server->sctx->rcodestats, rcodestat_dump, + &dumparg, ISC_STATSDUMP_VERBOSE); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "rcodes", counters); + } else { + json_object_put(counters); + } + + /* QTYPE counters */ + counters = json_object_new_object(); + + dumparg.result = ISC_R_SUCCESS; + dumparg.arg = counters; + + dns_rdatatypestats_dump(server->sctx->rcvquerystats, + rdtypestat_dump, &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "qtypes", counters); + } else { + json_object_put(counters); + } + + /* server stat counters */ + counters = json_object_new_object(); + + dumparg.result = ISC_R_SUCCESS; + dumparg.arg = counters; + + result = dump_counters(ns_stats_get(server->sctx->nsstats), + isc_statsformat_json, counters, NULL, + nsstats_xmldesc, ns_statscounter_max, + nsstats_index, nsstat_values, 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "nsstats", counters); + } else { + json_object_put(counters); + } + + /* zone stat counters */ + counters = json_object_new_object(); + + dumparg.result = ISC_R_SUCCESS; + dumparg.arg = counters; + + result = dump_counters(server->zonestats, isc_statsformat_json, + counters, NULL, zonestats_xmldesc, + dns_zonestatscounter_max, + zonestats_index, zonestat_values, 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "zonestats", + counters); + } else { + json_object_put(counters); + } + + /* resolver stat counters */ + counters = json_object_new_object(); + + dumparg.result = ISC_R_SUCCESS; + dumparg.arg = counters; + + result = dump_counters( + server->resolverstats, isc_statsformat_json, counters, + NULL, resstats_xmldesc, dns_resstatscounter_max, + resstats_index, resstat_values, 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "resstats", counters); + } else { + json_object_put(counters); + } + +#ifdef HAVE_DNSTAP + /* dnstap stat counters */ + if (named_g_server->dtenv != NULL) { + isc_stats_t *dnstapstats = NULL; + dns_dt_getstats(named_g_server->dtenv, &dnstapstats); + counters = json_object_new_object(); + dumparg.result = ISC_R_SUCCESS; + dumparg.arg = counters; + result = dump_counters( + dnstapstats, isc_statsformat_json, counters, + NULL, dnstapstats_xmldesc, + dns_dnstapcounter_max, dnstapstats_index, + dnstapstat_values, 0); + isc_stats_detach(&dnstapstats); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "dnstapstats", + counters); + } else { + json_object_put(counters); + } + } +#endif /* ifdef HAVE_DNSTAP */ + } + + if ((flags & (STATS_JSON_ZONES | STATS_JSON_SERVER)) != 0) { + viewlist = json_object_new_object(); + CHECKMEM(viewlist); + + json_object_object_add(bindstats, "views", viewlist); + + view = ISC_LIST_HEAD(server->viewlist); + while (view != NULL) { + json_object *za, *v = json_object_new_object(); + + CHECKMEM(v); + json_object_object_add(viewlist, view->name, v); + + za = json_object_new_array(); + CHECKMEM(za); + + if ((flags & STATS_JSON_ZONES) != 0) { + CHECK(dns_zt_apply(view->zonetable, + isc_rwlocktype_read, true, + NULL, zone_jsonrender, za)); + } + + if (json_object_array_length(za) != 0) { + json_object_object_add(v, "zones", za); + } else { + json_object_put(za); + } + + if ((flags & STATS_JSON_SERVER) != 0) { + json_object *res; + dns_stats_t *dstats; + isc_stats_t *istats; + + res = json_object_new_object(); + CHECKMEM(res); + json_object_object_add(v, "resolver", res); + + istats = view->resstats; + if (istats != NULL) { + counters = json_object_new_object(); + CHECKMEM(counters); + + result = dump_counters( + istats, isc_statsformat_json, + counters, NULL, + resstats_xmldesc, + dns_resstatscounter_max, + resstats_index, resstat_values, + 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + result = dumparg.result; + goto error; + } + + json_object_object_add(res, "stats", + counters); + } + + dstats = view->resquerystats; + if (dstats != NULL) { + counters = json_object_new_object(); + CHECKMEM(counters); + + dumparg.arg = counters; + dumparg.result = ISC_R_SUCCESS; + dns_rdatatypestats_dump(dstats, + rdtypestat_dump, + &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(counters); + result = dumparg.result; + goto error; + } + + json_object_object_add(res, "qtypes", + counters); + } + + dstats = dns_db_getrrsetstats(view->cachedb); + if (dstats != NULL) { + counters = json_object_new_object(); + CHECKMEM(counters); + + dumparg.arg = counters; + dumparg.result = ISC_R_SUCCESS; + dns_rdatasetstats_dump( + dstats, rdatasetstats_dump, + &dumparg, 0); + if (dumparg.result != ISC_R_SUCCESS) { + json_object_put(counters); + result = dumparg.result; + goto error; + } + + json_object_object_add(res, "cache", + counters); + } + + counters = json_object_new_object(); + CHECKMEM(counters); + + result = dns_cache_renderjson(view->cache, + counters); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + json_object_object_add(res, "cachestats", + counters); + + istats = view->adbstats; + if (istats != NULL) { + counters = json_object_new_object(); + CHECKMEM(counters); + + result = dump_counters( + istats, isc_statsformat_json, + counters, NULL, + adbstats_xmldesc, + dns_adbstats_max, + adbstats_index, adbstat_values, + 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + result = dumparg.result; + goto error; + } + + json_object_object_add(res, "adb", + counters); + } + } + + view = ISC_LIST_NEXT(view, link); + } + } + + if ((flags & STATS_JSON_NET) != 0) { + /* socket stat counters */ + json_object *sockets; + counters = json_object_new_object(); + + dumparg.result = ISC_R_SUCCESS; + dumparg.arg = counters; + + result = dump_counters(server->sockstats, isc_statsformat_json, + counters, NULL, sockstats_xmldesc, + isc_sockstatscounter_max, + sockstats_index, sockstat_values, 0); + if (result != ISC_R_SUCCESS) { + json_object_put(counters); + goto error; + } + + if (json_object_get_object(counters)->count != 0) { + json_object_object_add(bindstats, "sockstats", + counters); + } else { + json_object_put(counters); + } + + sockets = json_object_new_object(); + CHECKMEM(sockets); + + result = isc_socketmgr_renderjson(named_g_socketmgr, sockets); + if (result != ISC_R_SUCCESS) { + json_object_put(sockets); + goto error; + } + + json_object_object_add(bindstats, "socketmgr", sockets); + } + + if ((flags & STATS_JSON_TASKS) != 0) { + json_object *tasks = json_object_new_object(); + CHECKMEM(tasks); + + result = isc_taskmgr_renderjson(named_g_taskmgr, tasks); + if (result != ISC_R_SUCCESS) { + json_object_put(tasks); + goto error; + } + + json_object_object_add(bindstats, "taskmgr", tasks); + } + + if ((flags & STATS_JSON_MEM) != 0) { + json_object *memory = json_object_new_object(); + CHECKMEM(memory); + + result = isc_mem_renderjson(memory); + if (result != ISC_R_SUCCESS) { + json_object_put(memory); + goto error; + } + + json_object_object_add(bindstats, "memory", memory); + } + + if ((flags & STATS_JSON_TRAFFIC) != 0) { + traffic = json_object_new_object(); + CHECKMEM(traffic); + + udpreq4 = json_object_new_object(); + CHECKMEM(udpreq4); + + udpresp4 = json_object_new_object(); + CHECKMEM(udpresp4); + + tcpreq4 = json_object_new_object(); + CHECKMEM(tcpreq4); + + tcpresp4 = json_object_new_object(); + CHECKMEM(tcpresp4); + + udpreq6 = json_object_new_object(); + CHECKMEM(udpreq6); + + udpresp6 = json_object_new_object(); + CHECKMEM(udpresp6); + + tcpreq6 = json_object_new_object(); + CHECKMEM(tcpreq6); + + tcpresp6 = json_object_new_object(); + CHECKMEM(tcpresp6); + + CHECK(dump_counters( + server->sctx->udpinstats4, isc_statsformat_json, + udpreq4, NULL, udpinsizestats_xmldesc, + dns_sizecounter_in_max, udpinsizestats_index, + udpinsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->udpoutstats4, isc_statsformat_json, + udpresp4, NULL, udpoutsizestats_xmldesc, + dns_sizecounter_out_max, udpoutsizestats_index, + udpoutsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->tcpinstats4, isc_statsformat_json, + tcpreq4, NULL, tcpinsizestats_xmldesc, + dns_sizecounter_in_max, tcpinsizestats_index, + tcpinsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->tcpoutstats4, isc_statsformat_json, + tcpresp4, NULL, tcpoutsizestats_xmldesc, + dns_sizecounter_out_max, tcpoutsizestats_index, + tcpoutsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->udpinstats6, isc_statsformat_json, + udpreq6, NULL, udpinsizestats_xmldesc, + dns_sizecounter_in_max, udpinsizestats_index, + udpinsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->udpoutstats6, isc_statsformat_json, + udpresp6, NULL, udpoutsizestats_xmldesc, + dns_sizecounter_out_max, udpoutsizestats_index, + udpoutsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->tcpinstats6, isc_statsformat_json, + tcpreq6, NULL, tcpinsizestats_xmldesc, + dns_sizecounter_in_max, tcpinsizestats_index, + tcpinsizestat_values, 0)); + + CHECK(dump_counters( + server->sctx->tcpoutstats6, isc_statsformat_json, + tcpresp6, NULL, tcpoutsizestats_xmldesc, + dns_sizecounter_out_max, tcpoutsizestats_index, + tcpoutsizestat_values, 0)); + + json_object_object_add(traffic, + "dns-udp-requests-sizes-received-ipv4", + udpreq4); + json_object_object_add( + traffic, "dns-udp-responses-sizes-sent-ipv4", udpresp4); + json_object_object_add(traffic, + "dns-tcp-requests-sizes-received-ipv4", + tcpreq4); + json_object_object_add( + traffic, "dns-tcp-responses-sizes-sent-ipv4", tcpresp4); + json_object_object_add(traffic, + "dns-udp-requests-sizes-received-ipv6", + udpreq6); + json_object_object_add( + traffic, "dns-udp-responses-sizes-sent-ipv6", udpresp6); + json_object_object_add(traffic, + "dns-tcp-requests-sizes-received-ipv6", + tcpreq6); + json_object_object_add( + traffic, "dns-tcp-responses-sizes-sent-ipv6", tcpresp6); + json_object_object_add(bindstats, "traffic", traffic); + udpreq4 = NULL; + udpresp4 = NULL; + tcpreq4 = NULL; + tcpresp4 = NULL; + udpreq6 = NULL; + udpresp6 = NULL; + tcpreq6 = NULL; + tcpresp6 = NULL; + traffic = NULL; + } + + *msg = json_object_to_json_string_ext(bindstats, + JSON_C_TO_STRING_PRETTY); + *msglen = strlen(*msg); + + if (rootp != NULL) { + *rootp = bindstats; + bindstats = NULL; + } + + result = ISC_R_SUCCESS; + +error: + if (udpreq4 != NULL) { + json_object_put(udpreq4); + } + if (udpresp4 != NULL) { + json_object_put(udpresp4); + } + if (tcpreq4 != NULL) { + json_object_put(tcpreq4); + } + if (tcpresp4 != NULL) { + json_object_put(tcpresp4); + } + if (udpreq6 != NULL) { + json_object_put(udpreq6); + } + if (udpresp6 != NULL) { + json_object_put(udpresp6); + } + if (tcpreq6 != NULL) { + json_object_put(tcpreq6); + } + if (tcpresp6 != NULL) { + json_object_put(tcpresp6); + } + if (traffic != NULL) { + json_object_put(traffic); + } + if (bindstats != NULL) { + json_object_put(bindstats); + } + + return (result); +} + +static isc_result_t +render_json(uint32_t flags, const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, const char **mimetype, + isc_buffer_t *b, isc_httpdfree_t **freecb, void **freecb_args) { + isc_result_t result; + json_object *bindstats = NULL; + named_server_t *server = arg; + const char *msg = NULL; + size_t msglen = 0; + char *p; + + UNUSED(url); + UNUSED(urlinfo); + UNUSED(headers); + UNUSED(querystring); + + result = generatejson(server, &msglen, &msg, &bindstats, flags); + if (result == ISC_R_SUCCESS) { + *retcode = 200; + *retmsg = "OK"; + *mimetype = "application/json"; + DE_CONST(msg, p); + isc_buffer_reinit(b, p, msglen); + isc_buffer_add(b, msglen); + *freecb = wrap_jsonfree; + *freecb_args = bindstats; + } else { + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed at rendering JSON()"); + } + + return (result); +} + +static isc_result_t +render_json_all(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_ALL, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_status(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_STATUS, url, urlinfo, querystring, + headers, arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_server(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_SERVER, url, urlinfo, querystring, + headers, arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_zones(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_ZONES, url, urlinfo, querystring, + headers, arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_mem(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_MEM, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_tasks(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_TASKS, url, urlinfo, querystring, + headers, arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_net(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_NET, url, urlinfo, querystring, headers, + arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +static isc_result_t +render_json_traffic(const char *url, isc_httpdurl_t *urlinfo, + const char *querystring, const char *headers, void *arg, + unsigned int *retcode, const char **retmsg, + const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + return (render_json(STATS_JSON_TRAFFIC, url, urlinfo, querystring, + headers, arg, retcode, retmsg, mimetype, b, freecb, + freecb_args)); +} + +#endif /* HAVE_JSON_C */ + +static isc_result_t +render_xsl(const char *url, isc_httpdurl_t *urlinfo, const char *querystring, + const char *headers, void *args, unsigned int *retcode, + const char **retmsg, const char **mimetype, isc_buffer_t *b, + isc_httpdfree_t **freecb, void **freecb_args) { + isc_result_t result; + char *_headers = NULL; + + UNUSED(url); + UNUSED(querystring); + UNUSED(args); + + *freecb = NULL; + *freecb_args = NULL; + *mimetype = "text/xslt+xml"; + + if (urlinfo->isstatic) { + isc_time_t when; + char *line, *saveptr; + const char *if_modified_since = "If-Modified-Since: "; + _headers = strdup(headers); + + if (_headers == NULL) { + goto send; + } + + saveptr = NULL; + for (line = strtok_r(_headers, "\n", &saveptr); line; + line = strtok_r(NULL, "\n", &saveptr)) + { + if (strncasecmp(line, if_modified_since, + strlen(if_modified_since)) == 0) + { + time_t t1, t2; + line += strlen(if_modified_since); + result = isc_time_parsehttptimestamp(line, + &when); + if (result != ISC_R_SUCCESS) { + goto send; + } + + result = isc_time_secondsastimet(&when, &t1); + if (result != ISC_R_SUCCESS) { + goto send; + } + + result = isc_time_secondsastimet( + &urlinfo->loadtime, &t2); + if (result != ISC_R_SUCCESS) { + goto send; + } + + if (t1 < t2) { + goto send; + } + + *retcode = 304; + *retmsg = "Not modified"; + goto end; + } + } + } + +send: + *retcode = 200; + *retmsg = "OK"; + isc_buffer_reinit(b, xslmsg, strlen(xslmsg)); + isc_buffer_add(b, strlen(xslmsg)); +end: + free(_headers); + return (ISC_R_SUCCESS); +} + +static void +shutdown_listener(named_statschannel_t *listener) { + char socktext[ISC_SOCKADDR_FORMATSIZE]; + isc_sockaddr_format(&listener->address, socktext, sizeof(socktext)); + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_NOTICE, + "stopping statistics channel on %s", socktext); + + isc_httpdmgr_shutdown(&listener->httpdmgr); +} + +static bool +client_ok(const isc_sockaddr_t *fromaddr, void *arg) { + named_statschannel_t *listener = arg; + dns_aclenv_t *env = + ns_interfacemgr_getaclenv(named_g_server->interfacemgr); + isc_netaddr_t netaddr; + char socktext[ISC_SOCKADDR_FORMATSIZE]; + int match; + + REQUIRE(listener != NULL); + + isc_netaddr_fromsockaddr(&netaddr, fromaddr); + + LOCK(&listener->lock); + if ((dns_acl_match(&netaddr, NULL, listener->acl, env, &match, NULL) == + ISC_R_SUCCESS) && + match > 0) + { + UNLOCK(&listener->lock); + return (true); + } + UNLOCK(&listener->lock); + + isc_sockaddr_format(fromaddr, socktext, sizeof(socktext)); + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_WARNING, + "rejected statistics connection from %s", socktext); + + return (false); +} + +static void +destroy_listener(void *arg) { + named_statschannel_t *listener = arg; + + REQUIRE(listener != NULL); + REQUIRE(!ISC_LINK_LINKED(listener, link)); + + /* We don't have to acquire the lock here since it's already unlinked */ + dns_acl_detach(&listener->acl); + + isc_mutex_destroy(&listener->lock); + isc_mem_putanddetach(&listener->mctx, listener, sizeof(*listener)); +} + +static isc_result_t +add_listener(named_server_t *server, named_statschannel_t **listenerp, + const cfg_obj_t *listen_params, const cfg_obj_t *config, + isc_sockaddr_t *addr, cfg_aclconfctx_t *aclconfctx, + const char *socktext) { + isc_result_t result; + named_statschannel_t *listener; + isc_task_t *task = NULL; + isc_socket_t *sock = NULL; + const cfg_obj_t *allow; + dns_acl_t *new_acl = NULL; + + listener = isc_mem_get(server->mctx, sizeof(*listener)); + + listener->httpdmgr = NULL; + listener->address = *addr; + listener->acl = NULL; + listener->mctx = NULL; + ISC_LINK_INIT(listener, link); + + isc_mutex_init(&listener->lock); + + isc_mem_attach(server->mctx, &listener->mctx); + + allow = cfg_tuple_get(listen_params, "allow"); + if (allow != NULL && cfg_obj_islist(allow)) { + result = cfg_acl_fromconfig(allow, config, named_g_lctx, + aclconfctx, listener->mctx, 0, + &new_acl); + } else { + result = dns_acl_any(listener->mctx, &new_acl); + } + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + dns_acl_attach(new_acl, &listener->acl); + dns_acl_detach(&new_acl); + + result = isc_task_create(named_g_taskmgr, 0, &task); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + isc_task_setname(task, "statchannel", NULL); + + result = isc_socket_create(named_g_socketmgr, isc_sockaddr_pf(addr), + isc_sockettype_tcp, &sock); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + isc_socket_setname(sock, "statchannel", NULL); + +#ifndef ISC_ALLOW_MAPPED + isc_socket_ipv6only(sock, true); +#endif /* ifndef ISC_ALLOW_MAPPED */ + + result = isc_socket_bind(sock, addr, ISC_SOCKET_REUSEADDRESS); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + + result = isc_httpdmgr_create(server->mctx, sock, task, client_ok, + destroy_listener, listener, + named_g_timermgr, &listener->httpdmgr); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + +#ifdef HAVE_LIBXML2 + isc_httpdmgr_addurl(listener->httpdmgr, "/", render_xml_all, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml", render_xml_all, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3", render_xml_all, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/status", + render_xml_status, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/server", + render_xml_server, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/zones", + render_xml_zones, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/net", render_xml_net, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/tasks", + render_xml_tasks, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/mem", render_xml_mem, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/xml/v3/traffic", + render_xml_traffic, server); +#endif /* ifdef HAVE_LIBXML2 */ +#ifdef HAVE_JSON_C + isc_httpdmgr_addurl(listener->httpdmgr, "/json", render_json_all, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1", render_json_all, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/status", + render_json_status, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/server", + render_json_server, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/zones", + render_json_zones, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/tasks", + render_json_tasks, server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/net", render_json_net, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/mem", render_json_mem, + server); + isc_httpdmgr_addurl(listener->httpdmgr, "/json/v1/traffic", + render_json_traffic, server); +#endif /* ifdef HAVE_JSON_C */ + isc_httpdmgr_addurl2(listener->httpdmgr, "/bind9.xsl", true, render_xsl, + server); + + *listenerp = listener; + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_NOTICE, + "statistics channel listening on %s", socktext); + +cleanup: + if (result != ISC_R_SUCCESS) { + if (listener->acl != NULL) { + dns_acl_detach(&listener->acl); + } + isc_mutex_destroy(&listener->lock); + isc_mem_putanddetach(&listener->mctx, listener, + sizeof(*listener)); + } + if (task != NULL) { + isc_task_detach(&task); + } + if (sock != NULL) { + isc_socket_detach(&sock); + } + + return (result); +} + +static void +update_listener(named_server_t *server, named_statschannel_t **listenerp, + const cfg_obj_t *listen_params, const cfg_obj_t *config, + isc_sockaddr_t *addr, cfg_aclconfctx_t *aclconfctx, + const char *socktext) { + named_statschannel_t *listener; + const cfg_obj_t *allow = NULL; + dns_acl_t *new_acl = NULL; + isc_result_t result = ISC_R_SUCCESS; + + for (listener = ISC_LIST_HEAD(server->statschannels); listener != NULL; + listener = ISC_LIST_NEXT(listener, link)) + { + if (isc_sockaddr_equal(addr, &listener->address)) { + break; + } + } + + if (listener == NULL) { + *listenerp = NULL; + return; + } + + /* + * Now, keep the old access list unless a new one can be made. + */ + allow = cfg_tuple_get(listen_params, "allow"); + if (allow != NULL && cfg_obj_islist(allow)) { + result = cfg_acl_fromconfig(allow, config, named_g_lctx, + aclconfctx, listener->mctx, 0, + &new_acl); + } else { + result = dns_acl_any(listener->mctx, &new_acl); + } + + if (result == ISC_R_SUCCESS) { + LOCK(&listener->lock); + + dns_acl_detach(&listener->acl); + dns_acl_attach(new_acl, &listener->acl); + dns_acl_detach(&new_acl); + + UNLOCK(&listener->lock); + } else { + cfg_obj_log(listen_params, named_g_lctx, ISC_LOG_WARNING, + "couldn't install new acl for " + "statistics channel %s: %s", + socktext, isc_result_totext(result)); + } + + *listenerp = listener; +} + +isc_result_t +named_statschannels_configure(named_server_t *server, const cfg_obj_t *config, + cfg_aclconfctx_t *aclconfctx) { + named_statschannel_t *listener, *listener_next; + named_statschannellist_t new_listeners; + const cfg_obj_t *statschannellist = NULL; + const cfg_listelt_t *element, *element2; + char socktext[ISC_SOCKADDR_FORMATSIZE]; + + RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS); + + ISC_LIST_INIT(new_listeners); + + /* + * Get the list of named.conf 'statistics-channels' statements. + */ + (void)cfg_map_get(config, "statistics-channels", &statschannellist); + + /* + * Run through the new address/port list, noting sockets that are + * already being listened on and moving them to the new list. + * + * Identifying duplicate addr/port combinations is left to either + * the underlying config code, or to the bind attempt getting an + * address-in-use error. + */ + if (statschannellist != NULL) { +#ifndef EXTENDED_STATS + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_WARNING, + "statistics-channels specified but not effective " + "due to missing XML and/or JSON library"); +#else /* EXTENDED_STATS */ +#ifndef HAVE_LIBXML2 + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_WARNING, + "statistics-channels: XML library missing, " + "only JSON stats will be available"); +#endif /* !HAVE_LIBXML2 */ +#ifndef HAVE_JSON_C + isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, ISC_LOG_WARNING, + "statistics-channels: JSON library missing, " + "only XML stats will be available"); +#endif /* !HAVE_JSON_C */ +#endif /* EXTENDED_STATS */ + + for (element = cfg_list_first(statschannellist); + element != NULL; element = cfg_list_next(element)) + { + const cfg_obj_t *statschannel; + const cfg_obj_t *listenercfg = NULL; + + statschannel = cfg_listelt_value(element); + (void)cfg_map_get(statschannel, "inet", &listenercfg); + if (listenercfg == NULL) { + continue; + } + + for (element2 = cfg_list_first(listenercfg); + element2 != NULL; + element2 = cfg_list_next(element2)) + { + const cfg_obj_t *listen_params; + const cfg_obj_t *obj; + isc_sockaddr_t addr; + + listen_params = cfg_listelt_value(element2); + + obj = cfg_tuple_get(listen_params, "address"); + addr = *cfg_obj_assockaddr(obj); + if (isc_sockaddr_getport(&addr) == 0) { + isc_sockaddr_setport( + &addr, + NAMED_STATSCHANNEL_HTTPPORT); + } + + isc_sockaddr_format(&addr, socktext, + sizeof(socktext)); + + isc_log_write(named_g_lctx, + NAMED_LOGCATEGORY_GENERAL, + NAMED_LOGMODULE_SERVER, + ISC_LOG_DEBUG(9), + "processing statistics " + "channel %s", + socktext); + + update_listener(server, &listener, + listen_params, config, &addr, + aclconfctx, socktext); + + if (listener != NULL) { + /* + * Remove the listener from the old + * list, so it won't be shut down. + */ + ISC_LIST_UNLINK(server->statschannels, + listener, link); + } else { + /* + * This is a new listener. + */ + isc_result_t r; + + r = add_listener(server, &listener, + listen_params, config, + &addr, aclconfctx, + socktext); + if (r != ISC_R_SUCCESS) { + cfg_obj_log( + listen_params, + named_g_lctx, + ISC_LOG_WARNING, + "couldn't allocate " + "statistics channel" + " %s: %s", + socktext, + isc_result_totext(r)); + } + } + + if (listener != NULL) { + ISC_LIST_APPEND(new_listeners, listener, + link); + } + } + } + } + + for (listener = ISC_LIST_HEAD(server->statschannels); listener != NULL; + listener = listener_next) + { + listener_next = ISC_LIST_NEXT(listener, link); + ISC_LIST_UNLINK(server->statschannels, listener, link); + shutdown_listener(listener); + } + + ISC_LIST_APPENDLIST(server->statschannels, new_listeners, link); + return (ISC_R_SUCCESS); +} + +void +named_statschannels_shutdown(named_server_t *server) { + named_statschannel_t *listener; + + while ((listener = ISC_LIST_HEAD(server->statschannels)) != NULL) { + ISC_LIST_UNLINK(server->statschannels, listener, link); + shutdown_listener(listener); + } +} + +isc_result_t +named_stats_dump(named_server_t *server, FILE *fp) { + isc_stdtime_t now; + isc_result_t result; + dns_view_t *view; + dns_zone_t *zone, *next; + stats_dumparg_t dumparg; + uint64_t nsstat_values[ns_statscounter_max]; + uint64_t resstat_values[dns_resstatscounter_max]; + uint64_t adbstat_values[dns_adbstats_max]; + uint64_t zonestat_values[dns_zonestatscounter_max]; + uint64_t sockstat_values[isc_sockstatscounter_max]; + uint64_t gluecachestats_values[dns_gluecachestatscounter_max]; + + RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS); + + /* Set common fields */ + dumparg.type = isc_statsformat_file; + dumparg.arg = fp; + + isc_stdtime_get(&now); + fprintf(fp, "+++ Statistics Dump +++ (%lu)\n", (unsigned long)now); + + fprintf(fp, "++ Incoming Requests ++\n"); + dns_opcodestats_dump(server->sctx->opcodestats, opcodestat_dump, + &dumparg, 0); + + fprintf(fp, "++ Incoming Queries ++\n"); + dns_rdatatypestats_dump(server->sctx->rcvquerystats, rdtypestat_dump, + &dumparg, 0); + + fprintf(fp, "++ Outgoing Rcodes ++\n"); + dns_rcodestats_dump(server->sctx->rcodestats, rcodestat_dump, &dumparg, + 0); + + fprintf(fp, "++ Outgoing Queries ++\n"); + for (view = ISC_LIST_HEAD(server->viewlist); view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (view->resquerystats == NULL) { + continue; + } + if (strcmp(view->name, "_default") == 0) { + fprintf(fp, "[View: default]\n"); + } else { + fprintf(fp, "[View: %s]\n", view->name); + } + dns_rdatatypestats_dump(view->resquerystats, rdtypestat_dump, + &dumparg, 0); + } + + fprintf(fp, "++ Name Server Statistics ++\n"); + (void)dump_counters(ns_stats_get(server->sctx->nsstats), + isc_statsformat_file, fp, NULL, nsstats_desc, + ns_statscounter_max, nsstats_index, nsstat_values, + 0); + + fprintf(fp, "++ Zone Maintenance Statistics ++\n"); + (void)dump_counters(server->zonestats, isc_statsformat_file, fp, NULL, + zonestats_desc, dns_zonestatscounter_max, + zonestats_index, zonestat_values, 0); + + fprintf(fp, "++ Resolver Statistics ++\n"); + fprintf(fp, "[Common]\n"); + (void)dump_counters(server->resolverstats, isc_statsformat_file, fp, + NULL, resstats_desc, dns_resstatscounter_max, + resstats_index, resstat_values, 0); + for (view = ISC_LIST_HEAD(server->viewlist); view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (view->resstats == NULL) { + continue; + } + if (strcmp(view->name, "_default") == 0) { + fprintf(fp, "[View: default]\n"); + } else { + fprintf(fp, "[View: %s]\n", view->name); + } + (void)dump_counters(view->resstats, isc_statsformat_file, fp, + NULL, resstats_desc, + dns_resstatscounter_max, resstats_index, + resstat_values, 0); + } + + fprintf(fp, "++ Cache Statistics ++\n"); + for (view = ISC_LIST_HEAD(server->viewlist); view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (strcmp(view->name, "_default") == 0) { + fprintf(fp, "[View: default]\n"); + } else { + fprintf(fp, "[View: %s (Cache: %s)]\n", view->name, + dns_cache_getname(view->cache)); + } + /* + * Avoid dumping redundant statistics when the cache is shared. + */ + if (dns_view_iscacheshared(view)) { + continue; + } + dns_cache_dumpstats(view->cache, fp); + } + + fprintf(fp, "++ Cache DB RRsets ++\n"); + for (view = ISC_LIST_HEAD(server->viewlist); view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + dns_stats_t *cacherrstats; + + cacherrstats = dns_db_getrrsetstats(view->cachedb); + if (cacherrstats == NULL) { + continue; + } + if (strcmp(view->name, "_default") == 0) { + fprintf(fp, "[View: default]\n"); + } else { + fprintf(fp, "[View: %s (Cache: %s)]\n", view->name, + dns_cache_getname(view->cache)); + } + if (dns_view_iscacheshared(view)) { + /* + * Avoid dumping redundant statistics when the cache is + * shared. + */ + continue; + } + dns_rdatasetstats_dump(cacherrstats, rdatasetstats_dump, + &dumparg, 0); + } + + fprintf(fp, "++ ADB stats ++\n"); + for (view = ISC_LIST_HEAD(server->viewlist); view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (view->adbstats == NULL) { + continue; + } + if (strcmp(view->name, "_default") == 0) { + fprintf(fp, "[View: default]\n"); + } else { + fprintf(fp, "[View: %s]\n", view->name); + } + (void)dump_counters(view->adbstats, isc_statsformat_file, fp, + NULL, adbstats_desc, dns_adbstats_max, + adbstats_index, adbstat_values, 0); + } + + fprintf(fp, "++ Socket I/O Statistics ++\n"); + (void)dump_counters(server->sockstats, isc_statsformat_file, fp, NULL, + sockstats_desc, isc_sockstatscounter_max, + sockstats_index, sockstat_values, 0); + + fprintf(fp, "++ Per Zone Query Statistics ++\n"); + zone = NULL; + for (result = dns_zone_first(server->zonemgr, &zone); + result == ISC_R_SUCCESS; + next = NULL, result = dns_zone_next(zone, &next), zone = next) + { + isc_stats_t *zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) { + char zonename[DNS_NAME_FORMATSIZE]; + + view = dns_zone_getview(zone); + if (view == NULL) { + continue; + } + + dns_name_format(dns_zone_getorigin(zone), zonename, + sizeof(zonename)); + fprintf(fp, "[%s", zonename); + if (strcmp(view->name, "_default") != 0) { + fprintf(fp, " (view: %s)", view->name); + } + fprintf(fp, "]\n"); + + (void)dump_counters(zonestats, isc_statsformat_file, fp, + NULL, nsstats_desc, + ns_statscounter_max, nsstats_index, + nsstat_values, 0); + } + } + + fprintf(fp, "++ Per Zone Glue Cache Statistics ++\n"); + zone = NULL; + for (result = dns_zone_first(server->zonemgr, &zone); + result == ISC_R_SUCCESS; + next = NULL, result = dns_zone_next(zone, &next), zone = next) + { + isc_stats_t *gluecachestats = dns_zone_getgluecachestats(zone); + if (gluecachestats != NULL) { + char zonename[DNS_NAME_FORMATSIZE]; + + view = dns_zone_getview(zone); + if (view == NULL) { + continue; + } + + dns_name_format(dns_zone_getorigin(zone), zonename, + sizeof(zonename)); + fprintf(fp, "[%s", zonename); + if (strcmp(view->name, "_default") != 0) { + fprintf(fp, " (view: %s)", view->name); + } + fprintf(fp, "]\n"); + + (void)dump_counters( + gluecachestats, isc_statsformat_file, fp, NULL, + gluecachestats_desc, + dns_gluecachestatscounter_max, + gluecachestats_index, gluecachestats_values, 0); + } + } + + fprintf(fp, "--- Statistics Dump --- (%lu)\n", (unsigned long)now); + + return (ISC_R_SUCCESS); /* this function currently always succeeds */ +} |