src/shared/varlink-io.systemd.Resolve.Monitor.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "varlink-io.systemd.Resolve.Monitor.h"
   4
   5 /* We want to reuse the ResourceKey and ResourceRecord structures from the io.systemd.Resolve interface,
   6  * hence import them here. */
   7 #include "varlink-io.systemd.Resolve.h"
   8
   9 static VARLINK_DEFINE_STRUCT_TYPE(
  10                 ResourceRecordArray,
  11                 VARLINK_DEFINE_FIELD_BY_TYPE(rr, ResourceRecord, VARLINK_NULLABLE),
  12                 VARLINK_DEFINE_FIELD(raw, VARLINK_STRING, 0));
  13
  14 static VARLINK_DEFINE_STRUCT_TYPE(
  15                 Answer,
  16                 VARLINK_DEFINE_FIELD_BY_TYPE(rr, ResourceRecord, VARLINK_NULLABLE),
  17                 VARLINK_DEFINE_FIELD(raw, VARLINK_STRING, 0),
  18                 VARLINK_DEFINE_FIELD(ifindex, VARLINK_INT, VARLINK_NULLABLE));
  19
  20 static VARLINK_DEFINE_METHOD(
  21                 SubscribeQueryResults,
  22                 /* First reply */
  23                 VARLINK_DEFINE_OUTPUT(ready, VARLINK_BOOL, VARLINK_NULLABLE),
  24                 /* Subsequent replies */
  25                 VARLINK_DEFINE_OUTPUT(state, VARLINK_STRING, VARLINK_NULLABLE),
  26                 VARLINK_DEFINE_OUTPUT(result, VARLINK_STRING, VARLINK_NULLABLE),
  27                 VARLINK_DEFINE_OUTPUT(rcode, VARLINK_INT, VARLINK_NULLABLE),
  28                 VARLINK_DEFINE_OUTPUT(errno, VARLINK_INT, VARLINK_NULLABLE),
  29                 VARLINK_DEFINE_OUTPUT(extendedDNSErrorCode, VARLINK_INT, VARLINK_NULLABLE),
  30                 VARLINK_DEFINE_OUTPUT(extendedDNSErrorMessage, VARLINK_STRING, VARLINK_NULLABLE),
  31                 VARLINK_DEFINE_OUTPUT_BY_TYPE(question, ResourceKey, VARLINK_NULLABLE|VARLINK_ARRAY),
  32                 VARLINK_DEFINE_OUTPUT_BY_TYPE(collectedQuestions, ResourceKey, VARLINK_NULLABLE|VARLINK_ARRAY),
  33                 VARLINK_DEFINE_OUTPUT_BY_TYPE(answer, Answer, VARLINK_NULLABLE|VARLINK_ARRAY));
  34
  35 static VARLINK_DEFINE_STRUCT_TYPE(
  36                 CacheEntry,
  37                 VARLINK_DEFINE_FIELD_BY_TYPE(key, ResourceKey, 0),
  38                 VARLINK_DEFINE_FIELD_BY_TYPE(rrs, ResourceRecordArray, VARLINK_NULLABLE|VARLINK_ARRAY),
  39                 VARLINK_DEFINE_FIELD(type, VARLINK_STRING, VARLINK_NULLABLE),
  40                 VARLINK_DEFINE_FIELD(until, VARLINK_INT, 0));
  41
  42 static VARLINK_DEFINE_STRUCT_TYPE(
  43                 ScopeCache,
  44                 VARLINK_DEFINE_FIELD(protocol, VARLINK_STRING, 0),
  45                 VARLINK_DEFINE_FIELD(family, VARLINK_INT, VARLINK_NULLABLE),
  46                 VARLINK_DEFINE_FIELD(ifindex, VARLINK_INT, VARLINK_NULLABLE),
  47                 VARLINK_DEFINE_FIELD(ifname, VARLINK_STRING, VARLINK_NULLABLE),
  48                 VARLINK_DEFINE_FIELD_BY_TYPE(cache, CacheEntry, VARLINK_ARRAY));
  49
  50 static VARLINK_DEFINE_METHOD(
  51                 DumpCache,
  52                 VARLINK_DEFINE_OUTPUT_BY_TYPE(dump, ScopeCache, VARLINK_ARRAY));
  53
  54 static VARLINK_DEFINE_STRUCT_TYPE(
  55                 ServerState,
  56                 VARLINK_DEFINE_FIELD(Server, VARLINK_STRING, 0),
  57                 VARLINK_DEFINE_FIELD(Type, VARLINK_STRING, 0),
  58                 VARLINK_DEFINE_FIELD(Interface, VARLINK_STRING, VARLINK_NULLABLE),
  59                 VARLINK_DEFINE_FIELD(InterfaceIndex, VARLINK_INT, VARLINK_NULLABLE),
  60                 VARLINK_DEFINE_FIELD(VerifiedFeatureLevel, VARLINK_STRING, 0),
  61                 VARLINK_DEFINE_FIELD(PossibleFeatureLevel, VARLINK_STRING, 0),
  62                 VARLINK_DEFINE_FIELD(DNSSECMode, VARLINK_STRING, 0),
  63                 VARLINK_DEFINE_FIELD(DNSSECSupported, VARLINK_BOOL, 0),
  64                 VARLINK_DEFINE_FIELD(ReceivedUDPFragmentMax, VARLINK_INT, 0),
  65                 VARLINK_DEFINE_FIELD(FailedUDPAttempts, VARLINK_INT, 0),
  66                 VARLINK_DEFINE_FIELD(FailedTCPAttempts, VARLINK_INT, 0),
  67                 VARLINK_DEFINE_FIELD(PacketTruncated, VARLINK_BOOL, 0),
  68                 VARLINK_DEFINE_FIELD(PacketBadOpt, VARLINK_BOOL, 0),
  69                 VARLINK_DEFINE_FIELD(PacketRRSIGMissing, VARLINK_BOOL, 0),
  70                 VARLINK_DEFINE_FIELD(PacketInvalid, VARLINK_BOOL, 0),
  71                 VARLINK_DEFINE_FIELD(PacketDoOff, VARLINK_BOOL, 0));
  72
  73 static VARLINK_DEFINE_METHOD(
  74                 DumpServerState,
  75                 VARLINK_DEFINE_OUTPUT_BY_TYPE(dump, ServerState, VARLINK_ARRAY));
  76
  77 static VARLINK_DEFINE_STRUCT_TYPE(
  78                 TransactionStatistics,
  79                 VARLINK_DEFINE_FIELD(currentTransactions, VARLINK_INT, 0),
  80                 VARLINK_DEFINE_FIELD(totalTransactions, VARLINK_INT, 0),
  81                 VARLINK_DEFINE_FIELD(totalTimeouts, VARLINK_INT, 0),
  82                 VARLINK_DEFINE_FIELD(totalTimeoutsServedStale, VARLINK_INT, 0),
  83                 VARLINK_DEFINE_FIELD(totalFailedResponses, VARLINK_INT, 0),
  84                 VARLINK_DEFINE_FIELD(totalFailedResponsesServedStale, VARLINK_INT, 0));
  85
  86 static VARLINK_DEFINE_STRUCT_TYPE(
  87                 CacheStatistics,
  88                 VARLINK_DEFINE_FIELD(size, VARLINK_INT, 0),
  89                 VARLINK_DEFINE_FIELD(hits, VARLINK_INT, 0),
  90                 VARLINK_DEFINE_FIELD(misses, VARLINK_INT, 0));
  91
  92 static VARLINK_DEFINE_STRUCT_TYPE(
  93                 DnssecStatistics,
  94                 VARLINK_DEFINE_FIELD(secure, VARLINK_INT, 0),
  95                 VARLINK_DEFINE_FIELD(insecure, VARLINK_INT, 0),
  96                 VARLINK_DEFINE_FIELD(bogus, VARLINK_INT, 0),
  97                 VARLINK_DEFINE_FIELD(indeterminate, VARLINK_INT, 0));
  98
  99 static VARLINK_DEFINE_METHOD(
 100                 DumpStatistics,
 101                 VARLINK_DEFINE_OUTPUT_BY_TYPE(transactions, TransactionStatistics, 0),
 102                 VARLINK_DEFINE_OUTPUT_BY_TYPE(cache, CacheStatistics, 0),
 103                 VARLINK_DEFINE_OUTPUT_BY_TYPE(dnssec, DnssecStatistics, 0));
 104
 105 static VARLINK_DEFINE_METHOD(ResetStatistics);
 106
 107 VARLINK_DEFINE_INTERFACE(
 108                 io_systemd_Resolve_Monitor,
 109                 "io.systemd.Resolve.Monitor",
 110                 &vl_method_SubscribeQueryResults,
 111                 &vl_method_DumpCache,
 112                 &vl_method_DumpServerState,
 113                 &vl_method_DumpStatistics,
 114                 &vl_method_ResetStatistics,
 115                 &vl_type_ResourceKey,
 116                 &vl_type_ResourceRecord,
 117                 &vl_type_ResourceRecordArray,
 118                 &vl_type_Answer,
 119                 &vl_type_CacheEntry,
 120                 &vl_type_ScopeCache,
 121                 &vl_type_TransactionStatistics,
 122                 &vl_type_CacheStatistics,
 123                 &vl_type_DnssecStatistics,
 124                 &vl_type_ServerState);