+typedef enum DnsStreamType {
+ DNS_STREAM_LOOKUP, /* Outgoing connection to a classic DNS server */
+ DNS_STREAM_LLMNR_SEND, /* Outgoing LLMNR TCP lookup */
+ DNS_STREAM_LLMNR_RECV, /* Incoming LLMNR TCP lookup */
+ DNS_STREAM_STUB, /* Incoming DNS stub connection */
+ _DNS_STREAM_TYPE_MAX,
+ _DNS_STREAM_TYPE_INVALID = -1,
+} DnsStreamType;
+