core/proto/android/stats/connectivity/resolv_stats.proto

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
syntax = "proto2";
package android.stats.connectivity;
import "frameworks/base/core/proto/android/net/networkcapabilities.proto";

enum EventType {
    EVENT_UNKNOWN       = 0;
    EVENT_GETADDRINFO   = 1;
    EVENT_GETHOSTBYNAME = 2;
    EVENT_GETHOSTBYADDR = 3;
    EVENT_RES_NSEND     = 4;
}

enum PrivateDnsModes {
    OFF           = 0;
    OPPORTUNISTIC = 1;
    STRICT        = 2;
}
// The return value of the DNS resolver for each DNS lookups.
// bionic/libc/include/netdb.h
// system/netd/resolv/include/netd_resolv/resolv.h
enum ReturnCode {
    RC_EAI_NO_ERROR   = 0;
    RC_EAI_ADDRFAMILY = 1;
    RC_EAI_AGAIN      = 2;
    RC_EAI_BADFLAGS   = 3;
    RC_EAI_FAIL       = 4;
    RC_EAI_FAMILY     = 5;
    RC_EAI_MEMORY     = 6;
    RC_EAI_NODATA     = 7;
    RC_EAI_NONAME     = 8;
    RC_EAI_SERVICE    = 9;
    RC_EAI_SOCKTYPE   = 10;
    RC_EAI_SYSTEM     = 11;
    RC_EAI_BADHINTS   = 12;
    RC_EAI_PROTOCOL   = 13;
    RC_EAI_OVERFLOW   = 14;
    RC_RESOLV_TIMEOUT = 255;
    RC_EAI_MAX        = 256;
}


enum NsRcode {
    ns_r_noerror   = 0;    // No error occurred.
    ns_r_formerr   = 1;    // Format error.
    ns_r_servfail  = 2;   // Server failure.
    ns_r_nxdomain  = 3;   // Name error.
    ns_r_notimpl   = 4;    // Unimplemented.
    ns_r_refused   = 5;    // Operation refused.
    // these are for BIND_UPDATE
    ns_r_yxdomain  = 6;   // Name exists
    ns_r_yxrrset   = 7;    // RRset exists
    ns_r_nxrrset   = 8;    // RRset does not exist
    ns_r_notauth   = 9;    // Not authoritative for zone
    ns_r_notzone   = 10;   // Zone of record different from zone section
    ns_r_max       = 11;
    // The following are EDNS extended rcodes
    ns_r_badvers   = 16;
    // The following are TSIG errors
    //ns_r_badsig  = 16,
    ns_r_badkey    = 17;
    ns_r_badtime   = 18;
}

// Currently defined type values for resources and queries.
enum NsType {
    ns_t_invalid = 0;    // Cookie.
    ns_t_a = 1;          // Host address.
    ns_t_ns = 2;         // Authoritative server.
    ns_t_md = 3;         // Mail destination.
    ns_t_mf = 4;         // Mail forwarder.
    ns_t_cname = 5;      // Canonical name.
    ns_t_soa = 6;        // Start of authority zone.
    ns_t_mb = 7;         // Mailbox domain name.
    ns_t_mg = 8;         // Mail group member.
    ns_t_mr = 9;         // Mail rename name.
    ns_t_null = 10;      // Null resource record.
    ns_t_wks = 11;       // Well known service.
    ns_t_ptr = 12;       // Domain name pointer.
    ns_t_hinfo = 13;     // Host information.
    ns_t_minfo = 14;     // Mailbox information.
    ns_t_mx = 15;        // Mail routing information.
    ns_t_txt = 16;       // Text strings.
    ns_t_rp = 17;        // Responsible person.
    ns_t_afsdb = 18;     // AFS cell database.
    ns_t_x25 = 19;       // X_25 calling address.
    ns_t_isdn = 20;      // ISDN calling address.
    ns_t_rt = 21;        // Router.
    ns_t_nsap = 22;      // NSAP address.
    ns_t_nsap_ptr = 23;  // Reverse NSAP lookup (deprecated).
    ns_t_sig = 24;       // Security signature.
    ns_t_key = 25;       // Security key.
    ns_t_px = 26;        // X.400 mail mapping.
    ns_t_gpos = 27;      // Geographical position (withdrawn).
    ns_t_aaaa = 28;      // IPv6 Address.
    ns_t_loc = 29;       // Location Information.
    ns_t_nxt = 30;       // Next domain (security).
    ns_t_eid = 31;       // Endpoint identifier.
    ns_t_nimloc = 32;    // Nimrod Locator.
    ns_t_srv = 33;       // Server Selection.
    ns_t_atma = 34;      // ATM Address
    ns_t_naptr = 35;     // Naming Authority PoinTeR
    ns_t_kx = 36;        // Key Exchange
    ns_t_cert = 37;      // Certification record
    ns_t_a6 = 38;        // IPv6 address (experimental)
    ns_t_dname = 39;     // Non-terminal DNAME
    ns_t_sink = 40;      // Kitchen sink (experimentatl)
    ns_t_opt = 41;       // EDNS0 option (meta-RR)
    ns_t_apl = 42;       // Address prefix list (RFC 3123)
    ns_t_ds = 43;        // Delegation Signer
    ns_t_sshfp = 44;     // SSH Fingerprint
    ns_t_ipseckey = 45;  // IPSEC Key
    ns_t_rrsig = 46;     // RRset Signature
    ns_t_nsec = 47;      // Negative security
    ns_t_dnskey = 48;    // DNS Key
    ns_t_dhcid = 49;     // Dynamic host configuratin identifier
    ns_t_nsec3 = 50;     // Negative security type 3
    ns_t_nsec3param = 51;// Negative security type 3 parameters
    ns_t_hip = 55;       // Host Identity Protocol
    ns_t_spf = 99;       // Sender Policy Framework
    ns_t_tkey = 249;     // Transaction key
    ns_t_tsig = 250;     // Transaction signature.
    ns_t_ixfr = 251;     // Incremental zone transfer.
    ns_t_axfr = 252;     // Transfer zone of authority.
    ns_t_mailb = 253;    // Transfer mailbox records.
    ns_t_maila = 254;    // Transfer mail agent records.
    ns_t_any = 255;      // Wildcard match.
    ns_t_zxfr = 256;     // BIND-specific, nonstandard.
    ns_t_dlv = 32769;    // DNSSEC look-aside validatation.
    ns_t_max = 65536;
}

enum IpVersion {
   IPV4  = 0;
   IPV6  = 1;
   MIXED = 2;
}

enum TransportType {
    UDP = 0;
    TCP = 1;
    DOT = 2;
    DOT_UDP = 3;
    DOT_TCP = 4;
}

message DnsQueryEvent {
    optional NsRcode rrcode           = 1;
    optional NsType rrtype            = 2;
    optional bool cache_hit           = 3;
    optional IpVersion ipversion      = 4;
    optional TransportType transport  = 5;
    optional int32 packet_retransmits = 6;  // Used only by the UDP transport
    optional int32 reconnects         = 7;  // Used only by TCP and DOT
    optional int32 latency_micros     = 8;
    optional int32 active_experiments = 9;
    optional android.net.NetworkCapabilitiesProto.Transport network_type = 10;
}

message DnsQueryEventRe {
    repeated DnsQueryEvent dns_query_event = 1;
}


message DnsCallEvent {

}