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Commit b57df648 authored by Frank Li's avatar Frank Li Committed by Gerrit Code Review
Browse files

Merge "Minor style fixes"

parents d0678a10 d4d9fbb4

DnsProxyListener.cpp

+8 −1
Original line number Diff line number Diff line
@@ -300,7 +300,14 @@ bool parseQuery(const uint8_t* msg, size_t msgLen, uint16_t* query_id, int* rr_t 
}



void initDnsEvent(NetworkDnsEventReported* event) {

    // The value 0 has the special meaning of unset/unknown in Westworld atoms.

    // The value 0 has the special meaning of unset/unknown in Westworld atoms. So, we set both

    // flags to -1 as default value.

    //  1. The hints flag is only used in resolv_getaddrinfo. When user set it to -1 in

    //     resolv_getaddrinfo, the flag will cause validation (validateHints) failure in

    //     getaddrinfo, so it will not do DNS query and will upload DNS stats log with

    //     return_code = RC_EAI_BADFLAGS.

    //  2. The res_nsend flags are only used in resolv_res_nsend. When user set it to -1 in

    //     resolv_res_nsend,res_nsend will do nothing special by the setting.

    event->set_hints_ai_flags(-1);

    event->set_res_nsend_flags(-1);

}

DnsTlsDispatcher.cpp

+6 −5
Original line number Diff line number Diff line
@@ -97,11 +97,10 @@ DnsTlsTransport::Response DnsTlsDispatcher::query(const std::list<DnsTlsServer>& 
    for (const auto& server : orderedServers) {

        DnsQueryEvent* dnsQueryEvent =

                statp->event->mutable_dns_query_events()->add_dns_query_event();

        dnsQueryEvent->set_rcode(NS_R_INTERNAL_ERROR);

        Stopwatch query_stopwatch;

        Stopwatch queryStopwatch;

        code = this->query(server, statp->_mark, query, ans, resplen);



        dnsQueryEvent->set_latency_micros(saturate_cast<int32_t>(query_stopwatch.timeTakenUs()));

        dnsQueryEvent->set_latency_micros(saturate_cast<int32_t>(queryStopwatch.timeTakenUs()));

        dnsQueryEvent->set_dns_server_index(serverCount++);

        dnsQueryEvent->set_ip_version(ipFamilyToIPVersion(server.ss.ss_family));

        dnsQueryEvent->set_protocol(PROTO_DOT);
@@ -113,16 +112,18 @@ DnsTlsTransport::Response DnsTlsDispatcher::query(const std::list<DnsTlsServer>& 
            case DnsTlsTransport::Response::success:

                dnsQueryEvent->set_rcode(

                        static_cast<NsRcode>(reinterpret_cast<HEADER*>(ans.base())->rcode));

                [[fallthrough]];

                return code;

            case DnsTlsTransport::Response::limit_error:

                dnsQueryEvent->set_rcode(NS_R_INTERNAL_ERROR);

                return code;

            // These response codes might differ when trying other servers, so

            // keep iterating to see if we can get a different (better) result.

            case DnsTlsTransport::Response::network_error:

                // Sync from res_tls_send in res_send.cpp

                dnsQueryEvent->set_rcode(NS_R_TIMEOUT);

                [[fallthrough]];

                continue;

            case DnsTlsTransport::Response::internal_error:

                dnsQueryEvent->set_rcode(NS_R_INTERNAL_ERROR);

                continue;

            // No "default" statement.

        }

res_send.cpp

+5 −5
Original line number Diff line number Diff line
@@ -416,9 +416,9 @@ int res_nsend(res_state statp, const u_char* buf, int buflen, u_char* ans, int a 
    terrno = ETIMEDOUT;



    int anslen = 0;

    Stopwatch cache_stopwatch;

    Stopwatch cacheStopwatch;

    cache_status = resolv_cache_lookup(statp->netid, buf, buflen, ans, anssiz, &anslen, flags);

    const int32_t cacheLatencyUs = saturate_cast<int32_t>(cache_stopwatch.timeTakenUs());

    const int32_t cacheLatencyUs = saturate_cast<int32_t>(cacheStopwatch.timeTakenUs());

    if (cache_status == RESOLV_CACHE_FOUND) {

        HEADER* hp = (HEADER*)(void*)ans;

        *rcode = hp->rcode;
@@ -560,7 +560,7 @@ int res_nsend(res_state statp, const u_char* buf, int buflen, u_char* ans, int a 
                LOG(DEBUG) << __func__ << ": Querying server (# " << ns + 1

                           << ") address = " << abuf;



            Stopwatch query_stopwatch;

            Stopwatch queryStopwatch;

            if (v_circuit) {

                /* Use VC; at most one attempt per server. */

                bool shouldRecordStats = (attempt == 0);
@@ -570,7 +570,7 @@ int res_nsend(res_state statp, const u_char* buf, int buflen, u_char* ans, int a 
                            &delay);



                dnsQueryEvent->set_latency_micros(

                        saturate_cast<int32_t>(query_stopwatch.timeTakenUs()));

                        saturate_cast<int32_t>(queryStopwatch.timeTakenUs()));

                dnsQueryEvent->set_dns_server_index(ns);

                dnsQueryEvent->set_ip_version(ipFamilyToIPVersion(nsap->sa_family));

                dnsQueryEvent->set_retry_times(attempt);
@@ -607,7 +607,7 @@ int res_nsend(res_state statp, const u_char* buf, int buflen, u_char* ans, int a 
                            &gotsomewhere, &now, rcode, &delay);



                dnsQueryEvent->set_latency_micros(

                        saturate_cast<int32_t>(query_stopwatch.timeTakenUs()));

                        saturate_cast<int32_t>(queryStopwatch.timeTakenUs()));

                dnsQueryEvent->set_dns_server_index(ns);

                dnsQueryEvent->set_ip_version(ipFamilyToIPVersion(nsap->sa_family));

                dnsQueryEvent->set_retry_times(attempt);