diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2006b26891..0392d456561 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2158,7 +2158,6 @@ add_library(grpc
src/core/lib/event_engine/ares_resolver.cc
src/core/lib/event_engine/cf_engine/cf_engine.cc
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
src/core/lib/event_engine/channel_args_endpoint_config.cc
src/core/lib/event_engine/default_event_engine.cc
src/core/lib/event_engine/default_event_engine_factory.cc
@@ -2868,7 +2867,6 @@ add_library(grpc_unsecure
src/core/lib/event_engine/ares_resolver.cc
src/core/lib/event_engine/cf_engine/cf_engine.cc
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
src/core/lib/event_engine/channel_args_endpoint_config.cc
src/core/lib/event_engine/default_event_engine.cc
src/core/lib/event_engine/default_event_engine_factory.cc
@@ -4407,7 +4405,6 @@ add_library(grpc_authorization_provider
src/core/lib/event_engine/ares_resolver.cc
src/core/lib/event_engine/cf_engine/cf_engine.cc
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
src/core/lib/event_engine/channel_args_endpoint_config.cc
src/core/lib/event_engine/default_event_engine.cc
src/core/lib/event_engine/default_event_engine_factory.cc
@@ -8142,10 +8139,7 @@ if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
test/core/event_engine/test_suite/event_engine_test_framework.cc
test/core/event_engine/test_suite/posix/oracle_event_engine_posix.cc
test/core/event_engine/test_suite/tests/client_test.cc
- test/core/event_engine/test_suite/tests/dns_test.cc
test/core/event_engine/test_suite/tests/timer_test.cc
- test/core/util/fake_udp_and_tcp_server.cc
- test/cpp/util/get_grpc_test_runfile_dir.cc
third_party/googletest/googletest/src/gtest-all.cc
third_party/googletest/googlemock/src/gmock-all.cc
)
@@ -8175,7 +8169,7 @@ if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
${_gRPC_ZLIB_LIBRARIES}
${_gRPC_ALLTARGETS_LIBRARIES}
grpc_unsecure
- grpc++_test_util
+ grpc_test_util
)
@@ -12451,7 +12445,6 @@ add_executable(frame_test
src/core/lib/event_engine/ares_resolver.cc
src/core/lib/event_engine/cf_engine/cf_engine.cc
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
src/core/lib/event_engine/channel_args_endpoint_config.cc
src/core/lib/event_engine/default_event_engine.cc
src/core/lib/event_engine/default_event_engine_factory.cc
diff --git a/Makefile b/Makefile
index 7e39779d5a1..f1a04b993b0 100644
--- a/Makefile
+++ b/Makefile
@@ -1440,7 +1440,6 @@ LIBGRPC_SRC = \
src/core/lib/event_engine/ares_resolver.cc \
src/core/lib/event_engine/cf_engine/cf_engine.cc \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc \
src/core/lib/event_engine/channel_args_endpoint_config.cc \
src/core/lib/event_engine/default_event_engine.cc \
src/core/lib/event_engine/default_event_engine_factory.cc \
@@ -2003,7 +2002,6 @@ LIBGRPC_UNSECURE_SRC = \
src/core/lib/event_engine/ares_resolver.cc \
src/core/lib/event_engine/cf_engine/cf_engine.cc \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc \
src/core/lib/event_engine/channel_args_endpoint_config.cc \
src/core/lib/event_engine/default_event_engine.cc \
src/core/lib/event_engine/default_event_engine_factory.cc \
diff --git a/Package.swift b/Package.swift
index 56699d86e08..b712cd822d9 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1069,8 +1069,6 @@ let package = Package(
"src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc",
"src/core/lib/event_engine/cf_engine/cfstream_endpoint.h",
"src/core/lib/event_engine/cf_engine/cftype_unique_ref.h",
- "src/core/lib/event_engine/cf_engine/dns_service_resolver.cc",
- "src/core/lib/event_engine/cf_engine/dns_service_resolver.h",
"src/core/lib/event_engine/channel_args_endpoint_config.cc",
"src/core/lib/event_engine/channel_args_endpoint_config.h",
"src/core/lib/event_engine/common_closures.h",
diff --git a/build_autogenerated.yaml b/build_autogenerated.yaml
index 11b83926476..da1291c2353 100644
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@@ -687,7 +687,6 @@ libs:
- src/core/lib/event_engine/cf_engine/cf_engine.h
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
- src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.h
- src/core/lib/event_engine/channel_args_endpoint_config.h
- src/core/lib/event_engine/common_closures.h
- src/core/lib/event_engine/default_event_engine.h
@@ -1502,7 +1501,6 @@ libs:
- src/core/lib/event_engine/ares_resolver.cc
- src/core/lib/event_engine/cf_engine/cf_engine.cc
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
- src/core/lib/event_engine/channel_args_endpoint_config.cc
- src/core/lib/event_engine/default_event_engine.cc
- src/core/lib/event_engine/default_event_engine_factory.cc
@@ -2086,7 +2084,6 @@ libs:
- src/core/lib/event_engine/cf_engine/cf_engine.h
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
- src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.h
- src/core/lib/event_engine/channel_args_endpoint_config.h
- src/core/lib/event_engine/common_closures.h
- src/core/lib/event_engine/default_event_engine.h
@@ -2508,7 +2505,6 @@ libs:
- src/core/lib/event_engine/ares_resolver.cc
- src/core/lib/event_engine/cf_engine/cf_engine.cc
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
- src/core/lib/event_engine/channel_args_endpoint_config.cc
- src/core/lib/event_engine/default_event_engine.cc
- src/core/lib/event_engine/default_event_engine_factory.cc
@@ -3596,7 +3592,6 @@ libs:
- src/core/lib/event_engine/cf_engine/cf_engine.h
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
- src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.h
- src/core/lib/event_engine/channel_args_endpoint_config.h
- src/core/lib/event_engine/common_closures.h
- src/core/lib/event_engine/default_event_engine.h
@@ -3897,7 +3892,6 @@ libs:
- src/core/lib/event_engine/ares_resolver.cc
- src/core/lib/event_engine/cf_engine/cf_engine.cc
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
- src/core/lib/event_engine/channel_args_endpoint_config.cc
- src/core/lib/event_engine/default_event_engine.cc
- src/core/lib/event_engine/default_event_engine_factory.cc
@@ -5888,23 +5882,17 @@ targets:
- test/core/event_engine/test_suite/event_engine_test_framework.h
- test/core/event_engine/test_suite/posix/oracle_event_engine_posix.h
- test/core/event_engine/test_suite/tests/client_test.h
- - test/core/event_engine/test_suite/tests/dns_test.h
- test/core/event_engine/test_suite/tests/timer_test.h
- - test/core/util/fake_udp_and_tcp_server.h
- - test/cpp/util/get_grpc_test_runfile_dir.h
src:
- test/core/event_engine/event_engine_test_utils.cc
- test/core/event_engine/test_suite/cf_event_engine_test.cc
- test/core/event_engine/test_suite/event_engine_test_framework.cc
- test/core/event_engine/test_suite/posix/oracle_event_engine_posix.cc
- test/core/event_engine/test_suite/tests/client_test.cc
- - test/core/event_engine/test_suite/tests/dns_test.cc
- test/core/event_engine/test_suite/tests/timer_test.cc
- - test/core/util/fake_udp_and_tcp_server.cc
- - test/cpp/util/get_grpc_test_runfile_dir.cc
deps:
- grpc_unsecure
- - grpc++_test_util
+ - grpc_test_util
platforms:
- linux
- posix
@@ -8126,7 +8114,6 @@ targets:
- src/core/lib/event_engine/cf_engine/cf_engine.h
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.h
- src/core/lib/event_engine/cf_engine/cftype_unique_ref.h
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.h
- src/core/lib/event_engine/channel_args_endpoint_config.h
- src/core/lib/event_engine/common_closures.h
- src/core/lib/event_engine/default_event_engine.h
@@ -8409,7 +8396,6 @@ targets:
- src/core/lib/event_engine/ares_resolver.cc
- src/core/lib/event_engine/cf_engine/cf_engine.cc
- src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
- - src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
- src/core/lib/event_engine/channel_args_endpoint_config.cc
- src/core/lib/event_engine/default_event_engine.cc
- src/core/lib/event_engine/default_event_engine_factory.cc
diff --git a/config.m4 b/config.m4
index 93a4b2c5b50..7963168b683 100644
--- a/config.m4
+++ b/config.m4
@@ -522,7 +522,6 @@ if test "$PHP_GRPC" != "no"; then
src/core/lib/event_engine/ares_resolver.cc \
src/core/lib/event_engine/cf_engine/cf_engine.cc \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
- src/core/lib/event_engine/cf_engine/dns_service_resolver.cc \
src/core/lib/event_engine/channel_args_endpoint_config.cc \
src/core/lib/event_engine/default_event_engine.cc \
src/core/lib/event_engine/default_event_engine_factory.cc \
diff --git a/config.w32 b/config.w32
index 6de00278ef0..e8412bdeb19 100644
--- a/config.w32
+++ b/config.w32
@@ -487,7 +487,6 @@ if (PHP_GRPC != "no") {
"src\\core\\lib\\event_engine\\ares_resolver.cc " +
"src\\core\\lib\\event_engine\\cf_engine\\cf_engine.cc " +
"src\\core\\lib\\event_engine\\cf_engine\\cfstream_endpoint.cc " +
- "src\\core\\lib\\event_engine\\cf_engine\\dns_service_resolver.cc " +
"src\\core\\lib\\event_engine\\channel_args_endpoint_config.cc " +
"src\\core\\lib\\event_engine\\default_event_engine.cc " +
"src\\core\\lib\\event_engine\\default_event_engine_factory.cc " +
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index d9590738516..0ff4a859756 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -758,7 +758,6 @@ Pod::Spec.new do |s|
'src/core/lib/event_engine/cf_engine/cf_engine.h',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.h',
'src/core/lib/event_engine/channel_args_endpoint_config.h',
'src/core/lib/event_engine/common_closures.h',
'src/core/lib/event_engine/default_event_engine.h',
@@ -1808,7 +1807,6 @@ Pod::Spec.new do |s|
'src/core/lib/event_engine/cf_engine/cf_engine.h',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.h',
'src/core/lib/event_engine/channel_args_endpoint_config.h',
'src/core/lib/event_engine/common_closures.h',
'src/core/lib/event_engine/default_event_engine.h',
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index c6f4811efe8..1f7ee059f52 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1170,8 +1170,6 @@ Pod::Spec.new do |s|
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.cc',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.h',
'src/core/lib/event_engine/channel_args_endpoint_config.cc',
'src/core/lib/event_engine/channel_args_endpoint_config.h',
'src/core/lib/event_engine/common_closures.h',
@@ -2544,7 +2542,6 @@ Pod::Spec.new do |s|
'src/core/lib/event_engine/cf_engine/cf_engine.h',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.h',
'src/core/lib/event_engine/cf_engine/cftype_unique_ref.h',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.h',
'src/core/lib/event_engine/channel_args_endpoint_config.h',
'src/core/lib/event_engine/common_closures.h',
'src/core/lib/event_engine/default_event_engine.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index d3d4df3b6cc..8eecc38bea7 100644
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -1075,8 +1075,6 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc )
s.files += %w( src/core/lib/event_engine/cf_engine/cfstream_endpoint.h )
s.files += %w( src/core/lib/event_engine/cf_engine/cftype_unique_ref.h )
- s.files += %w( src/core/lib/event_engine/cf_engine/dns_service_resolver.cc )
- s.files += %w( src/core/lib/event_engine/cf_engine/dns_service_resolver.h )
s.files += %w( src/core/lib/event_engine/channel_args_endpoint_config.cc )
s.files += %w( src/core/lib/event_engine/channel_args_endpoint_config.h )
s.files += %w( src/core/lib/event_engine/common_closures.h )
diff --git a/grpc.gyp b/grpc.gyp
index 4ac488d26ea..9a53deff7e9 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -744,7 +744,6 @@
'src/core/lib/event_engine/ares_resolver.cc',
'src/core/lib/event_engine/cf_engine/cf_engine.cc',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.cc',
'src/core/lib/event_engine/channel_args_endpoint_config.cc',
'src/core/lib/event_engine/default_event_engine.cc',
'src/core/lib/event_engine/default_event_engine_factory.cc',
@@ -1246,7 +1245,6 @@
'src/core/lib/event_engine/ares_resolver.cc',
'src/core/lib/event_engine/cf_engine/cf_engine.cc',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.cc',
'src/core/lib/event_engine/channel_args_endpoint_config.cc',
'src/core/lib/event_engine/default_event_engine.cc',
'src/core/lib/event_engine/default_event_engine_factory.cc',
@@ -1768,7 +1766,6 @@
'src/core/lib/event_engine/ares_resolver.cc',
'src/core/lib/event_engine/cf_engine/cf_engine.cc',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.cc',
'src/core/lib/event_engine/channel_args_endpoint_config.cc',
'src/core/lib/event_engine/default_event_engine.cc',
'src/core/lib/event_engine/default_event_engine_factory.cc',
diff --git a/package.xml b/package.xml
index 3a8afe9b3fd..00f44d11922 100644
--- a/package.xml
+++ b/package.xml
@@ -1057,8 +1057,6 @@
-
-
diff --git a/src/core/BUILD b/src/core/BUILD
index 68efe9d4737..f1a323e6687 100644
--- a/src/core/BUILD
+++ b/src/core/BUILD
@@ -2125,18 +2125,13 @@ grpc_cc_library(
srcs = [
"lib/event_engine/cf_engine/cf_engine.cc",
"lib/event_engine/cf_engine/cfstream_endpoint.cc",
- "lib/event_engine/cf_engine/dns_service_resolver.cc",
],
hdrs = [
"lib/event_engine/cf_engine/cf_engine.h",
"lib/event_engine/cf_engine/cfstream_endpoint.h",
"lib/event_engine/cf_engine/cftype_unique_ref.h",
- "lib/event_engine/cf_engine/dns_service_resolver.h",
- ],
- external_deps = [
- "absl/container:flat_hash_map",
- "absl/strings:str_format",
],
+ external_deps = ["absl/strings:str_format"],
deps = [
"event_engine_common",
"event_engine_tcp_socket_utils",
@@ -2152,7 +2147,6 @@ grpc_cc_library(
"strerror",
"//:event_engine_base_hdrs",
"//:gpr",
- "//:parse_address",
"//:ref_counted_ptr",
"//:sockaddr_utils",
],
diff --git a/src/core/lib/event_engine/cf_engine/cf_engine.cc b/src/core/lib/event_engine/cf_engine/cf_engine.cc
index af0b7248d19..f835e64a21e 100644
--- a/src/core/lib/event_engine/cf_engine/cf_engine.cc
+++ b/src/core/lib/event_engine/cf_engine/cf_engine.cc
@@ -22,7 +22,6 @@
#include "src/core/lib/event_engine/cf_engine/cf_engine.h"
#include "src/core/lib/event_engine/cf_engine/cfstream_endpoint.h"
-#include "src/core/lib/event_engine/cf_engine/dns_service_resolver.h"
#include "src/core/lib/event_engine/posix_engine/timer_manager.h"
#include "src/core/lib/event_engine/tcp_socket_utils.h"
#include "src/core/lib/event_engine/thread_pool/thread_pool.h"
@@ -157,14 +156,9 @@ bool CFEventEngine::CancelConnectInternal(ConnectionHandle handle,
bool CFEventEngine::IsWorkerThread() { grpc_core::Crash("unimplemented"); }
absl::StatusOr>
-CFEventEngine::GetDNSResolver(const DNSResolver::ResolverOptions& options) {
- if (!options.dns_server.empty()) {
- return absl::InvalidArgumentError(
- "CFEventEngine does not support custom DNS servers");
- }
-
- return std::make_unique(
- std::static_pointer_cast(shared_from_this()));
+CFEventEngine::GetDNSResolver(
+ const DNSResolver::ResolverOptions& /* options */) {
+ grpc_core::Crash("unimplemented");
}
void CFEventEngine::Run(EventEngine::Closure* closure) {
diff --git a/src/core/lib/event_engine/cf_engine/dns_service_resolver.cc b/src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
deleted file mode 100644
index c19f9afe463..00000000000
--- a/src/core/lib/event_engine/cf_engine/dns_service_resolver.cc
+++ /dev/null
@@ -1,222 +0,0 @@
-// Copyright 2023 The gRPC Authors
-//
-// 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.
-
-#include
-
-#ifdef GPR_APPLE
-
-#include "absl/strings/str_format.h"
-
-#include "src/core/lib/address_utils/parse_address.h"
-#include "src/core/lib/event_engine/cf_engine/dns_service_resolver.h"
-#include "src/core/lib/event_engine/posix_engine/lockfree_event.h"
-#include "src/core/lib/event_engine/tcp_socket_utils.h"
-#include "src/core/lib/event_engine/trace.h"
-#include "src/core/lib/gprpp/host_port.h"
-
-namespace grpc_event_engine {
-namespace experimental {
-
-void DNSServiceResolverImpl::LookupHostname(
- EventEngine::DNSResolver::LookupHostnameCallback on_resolve,
- absl::string_view name, absl::string_view default_port) {
- GRPC_EVENT_ENGINE_DNS_TRACE(
- "DNSServiceResolverImpl::LookupHostname: name: %.*s, default_port: %.*s, "
- "this: %p",
- static_cast(name.length()), name.data(),
- static_cast(default_port.length()), default_port.data(), this);
-
- absl::string_view host;
- absl::string_view port_string;
- if (!grpc_core::SplitHostPort(name, &host, &port_string)) {
- engine_->Run([on_resolve = std::move(on_resolve),
- status = absl::InvalidArgumentError(
- absl::StrCat("Unparseable name: ", name))]() mutable {
- on_resolve(status);
- });
- return;
- }
- GPR_ASSERT(!host.empty());
- if (port_string.empty()) {
- if (default_port.empty()) {
- engine_->Run([on_resolve = std::move(on_resolve),
- status = absl::InvalidArgumentError(absl::StrFormat(
- "No port in name %s or default_port argument",
- name))]() mutable { on_resolve(std::move(status)); });
- return;
- }
- port_string = default_port;
- }
-
- int port = 0;
- if (port_string == "http") {
- port = 80;
- } else if (port_string == "https") {
- port = 443;
- } else if (!absl::SimpleAtoi(port_string, &port)) {
- engine_->Run([on_resolve = std::move(on_resolve),
- status = absl::InvalidArgumentError(absl::StrCat(
- "Failed to parse port in name: ", name))]() mutable {
- on_resolve(std::move(status));
- });
- return;
- }
-
- // TODO(yijiem): Change this when refactoring code in
- // src/core/lib/address_utils to use EventEngine::ResolvedAddress.
- grpc_resolved_address addr;
- const std::string hostport = grpc_core::JoinHostPort(host, port);
- if (grpc_parse_ipv4_hostport(hostport.c_str(), &addr,
- /*log_errors=*/false) ||
- grpc_parse_ipv6_hostport(hostport.c_str(), &addr,
- /*log_errors=*/false)) {
- // Early out if the target is an ipv4 or ipv6 literal.
- std::vector result;
- result.emplace_back(reinterpret_cast(addr.addr), addr.len);
- engine_->Run([on_resolve = std::move(on_resolve),
- result = std::move(result)]() mutable {
- on_resolve(std::move(result));
- });
- return;
- }
-
- DNSServiceRef sdRef;
- auto host_string = std::string{host};
- auto error = DNSServiceGetAddrInfo(
- &sdRef, kDNSServiceFlagsTimeout | kDNSServiceFlagsReturnIntermediates, 0,
- kDNSServiceProtocol_IPv4 | kDNSServiceProtocol_IPv6, host_string.c_str(),
- &DNSServiceResolverImpl::ResolveCallback, this /* do not Ref */);
-
- if (error != kDNSServiceErr_NoError) {
- engine_->Run([on_resolve = std::move(on_resolve),
- status = absl::UnknownError(absl::StrFormat(
- "DNSServiceGetAddrInfo failed with error:%d",
- error))]() mutable { on_resolve(std::move(status)); });
- return;
- }
-
- grpc_core::ReleasableMutexLock lock(&request_mu_);
-
- error = DNSServiceSetDispatchQueue(sdRef, queue_);
- if (error != kDNSServiceErr_NoError) {
- engine_->Run([on_resolve = std::move(on_resolve),
- status = absl::UnknownError(absl::StrFormat(
- "DNSServiceSetDispatchQueue failed with error:%d",
- error))]() mutable { on_resolve(std::move(status)); });
- return;
- }
-
- requests_.try_emplace(
- sdRef, DNSServiceRequest{
- std::move(on_resolve), static_cast(port), {}});
-}
-
-/* static */
-void DNSServiceResolverImpl::ResolveCallback(
- DNSServiceRef sdRef, DNSServiceFlags flags, uint32_t interfaceIndex,
- DNSServiceErrorType errorCode, const char* hostname,
- const struct sockaddr* address, uint32_t ttl, void* context) {
- GRPC_EVENT_ENGINE_DNS_TRACE(
- "DNSServiceResolverImpl::ResolveCallback: sdRef: %p, flags: %x, "
- "interface: %d, errorCode: %d, hostname: %s, addressFamily: %d, ttl: "
- "%d, "
- "this: %p",
- sdRef, flags, interfaceIndex, errorCode, hostname, address->sa_family,
- ttl, context);
-
- // no need to increase refcount here, since ResolveCallback and Shutdown is
- // called from the serial queue and it is guarenteed that it won't be called
- // after the sdRef is deallocated
- auto that = static_cast(context);
-
- grpc_core::ReleasableMutexLock lock(&that->request_mu_);
- auto request_it = that->requests_.find(sdRef);
- GPR_ASSERT(request_it != that->requests_.end());
- auto& request = request_it->second;
-
- if (errorCode != kDNSServiceErr_NoError &&
- errorCode != kDNSServiceErr_NoSuchRecord) {
- request.on_resolve(absl::UnknownError(absl::StrFormat(
- "address lookup failed for %s: errorCode: %d", hostname, errorCode)));
- that->requests_.erase(request_it);
- DNSServiceRefDeallocate(sdRef);
- return;
- }
-
- // set received ipv4 or ipv6 response, even for kDNSServiceErr_NoSuchRecord
- if (address->sa_family == AF_INET) {
- request.has_ipv4_response = true;
- } else if (address->sa_family == AF_INET6) {
- request.has_ipv6_response = true;
- }
-
- // collect results if there is no error (not kDNSServiceErr_NoSuchRecord)
- if (errorCode == kDNSServiceErr_NoError) {
- request.result.emplace_back(address, address->sa_len);
- auto& resolved_address = request.result.back();
- if (address->sa_family == AF_INET) {
- (const_cast(
- reinterpret_cast(resolved_address.address())))
- ->sin_port = htons(request.port);
- } else if (address->sa_family == AF_INET6) {
- (const_cast(
- reinterpret_cast(resolved_address.address())))
- ->sin6_port = htons(request.port);
- }
-
- GRPC_EVENT_ENGINE_DNS_TRACE(
- "DNSServiceResolverImpl::ResolveCallback: "
- "sdRef: %p, hostname: %s, addressPort: %s, this: %p",
- sdRef, hostname,
- ResolvedAddressToString(resolved_address).value_or("ERROR").c_str(),
- context);
- }
-
- if (!(flags & kDNSServiceFlagsMoreComing) && request.has_ipv4_response &&
- request.has_ipv6_response) {
- if (request.result.empty()) {
- request.on_resolve(absl::NotFoundError(absl::StrFormat(
- "address lookup failed for %s: Domain name not found", hostname)));
- } else {
- request.on_resolve(std::move(request.result));
- }
- that->requests_.erase(request_it);
- DNSServiceRefDeallocate(sdRef);
- }
-}
-
-void DNSServiceResolverImpl::Shutdown() {
- dispatch_async_f(queue_, Ref().release(), [](void* thatPtr) {
- grpc_core::RefCountedPtr that{
- static_cast(thatPtr)};
- grpc_core::MutexLock lock(&that->request_mu_);
- for (auto& kv : that->requests_) {
- auto& sdRef = kv.first;
- auto& request = kv.second;
- GRPC_EVENT_ENGINE_DNS_TRACE(
- "DNSServiceResolverImpl::Shutdown sdRef: %p, this: %p", sdRef,
- thatPtr);
-
- request.on_resolve(
- absl::CancelledError("DNSServiceResolverImpl::Shutdown"));
- DNSServiceRefDeallocate(static_cast(sdRef));
- }
- that->requests_.clear();
- });
-}
-
-} // namespace experimental
-} // namespace grpc_event_engine
-
-#endif // GPR_APPLE
diff --git a/src/core/lib/event_engine/cf_engine/dns_service_resolver.h b/src/core/lib/event_engine/cf_engine/dns_service_resolver.h
deleted file mode 100644
index 00a55a30500..00000000000
--- a/src/core/lib/event_engine/cf_engine/dns_service_resolver.h
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2023 The gRPC Authors
-//
-// 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.
-#ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_CF_ENGINE_DNS_SERVICE_RESOLVER_H
-#define GRPC_SRC_CORE_LIB_EVENT_ENGINE_CF_ENGINE_DNS_SERVICE_RESOLVER_H
-#include
-
-#ifdef GPR_APPLE
-
-#include
-#include
-
-#include "absl/container/flat_hash_map.h"
-
-#include
-
-#include "src/core/lib/event_engine/cf_engine/cf_engine.h"
-#include "src/core/lib/gprpp/ref_counted.h"
-#include "src/core/lib/gprpp/ref_counted_ptr.h"
-
-namespace grpc_event_engine {
-namespace experimental {
-
-class DNSServiceResolverImpl
- : public grpc_core::RefCounted {
- struct DNSServiceRequest {
- EventEngine::DNSResolver::LookupHostnameCallback on_resolve;
- uint16_t port;
- std::vector result;
- bool has_ipv4_response = false;
- bool has_ipv6_response = false;
- };
-
- public:
- explicit DNSServiceResolverImpl(std::shared_ptr engine)
- : engine_(std::move((engine))) {}
- ~DNSServiceResolverImpl() override {
- GPR_ASSERT(requests_.empty());
- dispatch_release(queue_);
- }
-
- void Shutdown();
-
- void LookupHostname(
- EventEngine::DNSResolver::LookupHostnameCallback on_resolve,
- absl::string_view name, absl::string_view default_port);
-
- private:
- static void ResolveCallback(DNSServiceRef sdRef, DNSServiceFlags flags,
- uint32_t interfaceIndex,
- DNSServiceErrorType errorCode,
- const char* hostname,
- const struct sockaddr* address, uint32_t ttl,
- void* context);
-
- private:
- std::shared_ptr engine_;
- // DNSServiceSetDispatchQueue requires a serial dispatch queue
- dispatch_queue_t queue_ =
- dispatch_queue_create("dns_service_resolver", nullptr);
- grpc_core::Mutex request_mu_;
- absl::flat_hash_map requests_
- ABSL_GUARDED_BY(request_mu_);
-};
-
-class DNSServiceResolver : public EventEngine::DNSResolver {
- public:
- explicit DNSServiceResolver(std::shared_ptr engine)
- : engine_(std::move(engine)),
- impl_(grpc_core::MakeRefCounted(
- std::move((engine_)))) {}
-
- ~DNSServiceResolver() override { impl_->Shutdown(); }
-
- void LookupHostname(
- EventEngine::DNSResolver::LookupHostnameCallback on_resolve,
- absl::string_view name, absl::string_view default_port) override {
- impl_->LookupHostname(std::move(on_resolve), name, default_port);
- };
-
- void LookupSRV(EventEngine::DNSResolver::LookupSRVCallback on_resolve,
- absl::string_view /* name */) override {
- engine_->Run([on_resolve = std::move(on_resolve)]() mutable {
- on_resolve(absl::UnimplementedError(
- "The DNS Service resolver does not support looking up SRV records"));
- });
- }
-
- void LookupTXT(EventEngine::DNSResolver::LookupTXTCallback on_resolve,
- absl::string_view /* name */) override {
- engine_->Run([on_resolve = std::move(on_resolve)]() mutable {
- on_resolve(absl::UnimplementedError(
- "The DNS Service resolver does not support looking up TXT records"));
- });
- }
-
- private:
- std::shared_ptr engine_;
- grpc_core::RefCountedPtr impl_;
-};
-
-} // namespace experimental
-} // namespace grpc_event_engine
-
-#endif // GPR_APPLE
-
-#endif // GRPC_SRC_CORE_LIB_EVENT_ENGINE_CF_ENGINE_DNS_SERVICE_RESOLVER_H
diff --git a/src/objective-c/tests/BUILD b/src/objective-c/tests/BUILD
index bfbe19b773e..9eef39eaba6 100644
--- a/src/objective-c/tests/BUILD
+++ b/src/objective-c/tests/BUILD
@@ -341,7 +341,6 @@ grpc_objc_testing_library(
"//src/core:cf_event_engine",
"//test/core/event_engine/test_suite/posix:oracle_event_engine_posix",
"//test/core/event_engine/test_suite/tests:client",
- "//test/core/event_engine/test_suite/tests:dns",
"//test/core/event_engine/test_suite/tests:timer",
],
)
diff --git a/src/objective-c/tests/EventEngineTests/CFEventEngineTests.mm b/src/objective-c/tests/EventEngineTests/CFEventEngineTests.mm
index 98859183246..2f32a409314 100644
--- a/src/objective-c/tests/EventEngineTests/CFEventEngineTests.mm
+++ b/src/objective-c/tests/EventEngineTests/CFEventEngineTests.mm
@@ -24,7 +24,6 @@
#include "test/core/event_engine/test_suite/event_engine_test_framework.h"
#include "test/core/event_engine/test_suite/posix/oracle_event_engine_posix.h"
#include "test/core/event_engine/test_suite/tests/client_test.h"
-#include "test/core/event_engine/test_suite/tests/dns_test.h"
#include "test/core/event_engine/test_suite/tests/timer_test.h"
#include "test/core/util/test_config.h"
@@ -54,7 +53,6 @@
SetEventEngineFactories(factory, oracle_factory);
grpc_event_engine::experimental::InitTimerTests();
grpc_event_engine::experimental::InitClientTests();
- grpc_event_engine::experimental::InitDNSTests();
// TODO(ctiller): EventEngine temporarily needs grpc to be initialized first
// until we clear out the iomgr shutdown code.
grpc_init();
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 76fbcce089e..3a03e18ac08 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -496,7 +496,6 @@ CORE_SOURCE_FILES = [
'src/core/lib/event_engine/ares_resolver.cc',
'src/core/lib/event_engine/cf_engine/cf_engine.cc',
'src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc',
- 'src/core/lib/event_engine/cf_engine/dns_service_resolver.cc',
'src/core/lib/event_engine/channel_args_endpoint_config.cc',
'src/core/lib/event_engine/default_event_engine.cc',
'src/core/lib/event_engine/default_event_engine_factory.cc',
diff --git a/test/core/event_engine/cf/cf_engine_test.cc b/test/core/event_engine/cf/cf_engine_test.cc
index ae9e540b359..f50b40f82fa 100644
--- a/test/core/event_engine/cf/cf_engine_test.cc
+++ b/test/core/event_engine/cf/cf_engine_test.cc
@@ -19,8 +19,6 @@
#include
#include "absl/status/status.h"
-#include "absl/strings/str_format.h"
-#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include
@@ -82,215 +80,6 @@ TEST(CFEventEngineTest, TestConnectionCancelled) {
client_signal.WaitForNotification();
}
-namespace {
-std::vector ResolvedAddressesToStrings(
- const std::vector addresses) {
- std::vector ip_strings;
- std::transform(addresses.cbegin(), addresses.cend(),
- std::back_inserter(ip_strings), [](auto const& address) {
- return ResolvedAddressToString(address).value_or("ERROR");
- });
- return ip_strings;
-}
-} // namespace
-
-TEST(CFEventEngineTest, TestCreateDNSResolver) {
- grpc_core::MemoryQuota memory_quota("cf_engine_test");
- auto cf_engine = std::make_shared();
-
- EXPECT_TRUE(cf_engine->GetDNSResolver({}).status().ok());
- EXPECT_TRUE(cf_engine->GetDNSResolver({.dns_server = ""}).status().ok());
- EXPECT_EQ(
- cf_engine->GetDNSResolver({.dns_server = "8.8.8.8"}).status().code(),
- absl::StatusCode::kInvalidArgument);
- EXPECT_EQ(
- cf_engine->GetDNSResolver({.dns_server = "8.8.8.8:53"}).status().code(),
- absl::StatusCode::kInvalidArgument);
- EXPECT_EQ(
- cf_engine->GetDNSResolver({.dns_server = "invalid"}).status().code(),
- absl::StatusCode::kInvalidArgument);
-}
-
-TEST(CFEventEngineTest, TestResolveLocalhost) {
- grpc_core::Notification resolve_signal;
-
- auto cf_engine = std::make_shared();
- auto dns_resolver = cf_engine->GetDNSResolver({});
-
- dns_resolver.value()->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(ResolvedAddressesToStrings(result.value()),
- testing::UnorderedElementsAre("127.0.0.1:80", "[::1]:80"));
-
- resolve_signal.Notify();
- },
- "localhost", "80");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveRemote) {
- grpc_core::Notification resolve_signal;
-
- auto cf_engine = std::make_shared();
- auto dns_resolver = cf_engine->GetDNSResolver({});
-
- dns_resolver.value()->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(ResolvedAddressesToStrings(result.value()),
- testing::UnorderedElementsAre("127.0.0.1:80", "[::1]:80"));
-
- resolve_signal.Notify();
- },
- "localtest.me:80", "443");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveIPv4Remote) {
- grpc_core::Notification resolve_signal;
-
- auto cf_engine = std::make_shared();
- auto dns_resolver = cf_engine->GetDNSResolver({});
-
- dns_resolver.value()->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(ResolvedAddressesToStrings(result.value()),
- testing::IsSubsetOf(
- {"1.2.3.4:80", "[64:ff9b::102:304]:80" /*NAT64*/}));
-
- resolve_signal.Notify();
- },
- "1.2.3.4.nip.io:80", "");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveIPv6Remote) {
- grpc_core::Notification resolve_signal;
-
- auto cf_engine = std::make_shared();
- auto dns_resolver = cf_engine->GetDNSResolver({});
-
- dns_resolver.value()->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(
- ResolvedAddressesToStrings(result.value()),
- testing::UnorderedElementsAre("[2607:f8b0:400a:801::1002]:80"));
-
- resolve_signal.Notify();
- },
- "2607-f8b0-400a-801--1002.sslip.io.", "80");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveIPv4Literal) {
- grpc_core::Notification resolve_signal;
-
- auto cf_engine = std::make_shared();
- auto dns_resolver = cf_engine->GetDNSResolver({});
-
- dns_resolver.value()->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(ResolvedAddressesToStrings(result.value()),
- testing::UnorderedElementsAre("1.2.3.4:443"));
-
- resolve_signal.Notify();
- },
- "1.2.3.4", "https");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveIPv6Literal) {
- grpc_core::Notification resolve_signal;
-
- auto cf_engine = std::make_shared();
- auto dns_resolver = cf_engine->GetDNSResolver({});
-
- dns_resolver.value()->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(
- ResolvedAddressesToStrings(result.value()),
- testing::UnorderedElementsAre("[2607:f8b0:400a:801::1002]:443"));
-
- resolve_signal.Notify();
- },
- "[2607:f8b0:400a:801::1002]", "443");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveNoRecord) {
- grpc_core::Notification resolve_signal;
- auto cf_engine = std::make_shared();
- auto dns_resolver = std::move(cf_engine->GetDNSResolver({})).value();
-
- dns_resolver->LookupHostname(
- [&resolve_signal](auto result) {
- EXPECT_EQ(result.status().code(), absl::StatusCode::kNotFound);
-
- resolve_signal.Notify();
- },
- "nonexisting-target.dns-test.event-engine.", "443");
-
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveCanceled) {
- grpc_core::Notification resolve_signal;
- auto cf_engine = std::make_shared();
- auto dns_resolver = std::move(cf_engine->GetDNSResolver({})).value();
-
- dns_resolver->LookupHostname(
- [&resolve_signal](auto result) {
- // query may have already finished before canceling, only verity the
- // code if status is not ok
- if (!result.status().ok()) {
- EXPECT_EQ(result.status().code(), absl::StatusCode::kCancelled);
- }
-
- resolve_signal.Notify();
- },
- "dont-care-since-wont-be-resolved.localtest.me", "443");
-
- dns_resolver.reset();
- resolve_signal.WaitForNotification();
-}
-
-TEST(CFEventEngineTest, TestResolveMany) {
- std::atomic times{10};
- grpc_core::Notification resolve_signal;
- auto cf_engine = std::make_shared();
- auto dns_resolver = std::move(cf_engine->GetDNSResolver({})).value();
-
- for (int i = times; i >= 1; --i) {
- dns_resolver->LookupHostname(
- [&resolve_signal, ×, i](auto result) {
- EXPECT_TRUE(result.status().ok());
- EXPECT_THAT(
- ResolvedAddressesToStrings(result.value()),
- testing::IsSubsetOf(
- {absl::StrFormat("100.0.0.%d:443", i),
- absl::StrFormat("[64:ff9b::6400:%x]:443", i) /*NAT64*/}));
-
- if (--times == 0) {
- resolve_signal.Notify();
- }
- },
- absl::StrFormat("100.0.0.%d.nip.io", i), "443");
- }
-
- resolve_signal.WaitForNotification();
-}
-
} // namespace experimental
} // namespace grpc_event_engine
diff --git a/test/core/event_engine/test_suite/BUILD b/test/core/event_engine/test_suite/BUILD
index 48eee5e0bf5..cc485a4d9a2 100644
--- a/test/core/event_engine/test_suite/BUILD
+++ b/test/core/event_engine/test_suite/BUILD
@@ -96,7 +96,6 @@ grpc_cc_test(
grpc_cc_test(
name = "cf_event_engine_test",
srcs = ["cf_event_engine_test.cc"],
- copts = ["-DGRPC_IOS_EVENT_ENGINE_CLIENT=1"],
tags = [
"no_linux",
"no_windows",
@@ -106,7 +105,6 @@ grpc_cc_test(
"//src/core:cf_event_engine",
"//test/core/event_engine/test_suite/posix:oracle_event_engine_posix",
"//test/core/event_engine/test_suite/tests:client",
- "//test/core/event_engine/test_suite/tests:dns",
"//test/core/event_engine/test_suite/tests:timer",
],
)
diff --git a/test/core/event_engine/test_suite/cf_event_engine_test.cc b/test/core/event_engine/test_suite/cf_event_engine_test.cc
index 78241c45a50..1d222514cb6 100644
--- a/test/core/event_engine/test_suite/cf_event_engine_test.cc
+++ b/test/core/event_engine/test_suite/cf_event_engine_test.cc
@@ -21,7 +21,6 @@
#include "test/core/event_engine/test_suite/event_engine_test_framework.h"
#include "test/core/event_engine/test_suite/posix/oracle_event_engine_posix.h"
#include "test/core/event_engine/test_suite/tests/client_test.h"
-#include "test/core/event_engine/test_suite/tests/dns_test.h"
#include "test/core/event_engine/test_suite/tests/timer_test.h"
#include "test/core/util/test_config.h"
@@ -38,7 +37,8 @@ int main(int argc, char** argv) {
SetEventEngineFactories(factory, oracle_factory);
grpc_event_engine::experimental::InitTimerTests();
grpc_event_engine::experimental::InitClientTests();
- grpc_event_engine::experimental::InitDNSTests();
+ // TODO(vigneshbabu): remove when the experiment is over
+ grpc_core::ForceEnableExperiment("event_engine_client", true);
// TODO(ctiller): EventEngine temporarily needs grpc to be initialized first
// until we clear out the iomgr shutdown code.
grpc_init();
diff --git a/test/core/event_engine/test_suite/tests/dns_test.cc b/test/core/event_engine/test_suite/tests/dns_test.cc
index 18e6ae5d345..cbd48e26bc7 100644
--- a/test/core/event_engine/test_suite/tests/dns_test.cc
+++ b/test/core/event_engine/test_suite/tests/dns_test.cc
@@ -194,9 +194,6 @@ class EventEngineDNSTest : public EventEngineTest {
EventEngineDNSTest::DNSServer EventEngineDNSTest::dns_server_;
-// TODO(hork): implement XFAIL for resolvers that don't support TXT or SRV
-#ifndef GRPC_IOS_EVENT_ENGINE_CLIENT
-
TEST_F(EventEngineDNSTest, QueryNXHostname) {
auto dns_resolver = CreateDefaultDNSResolver();
dns_resolver->LookupHostname(
@@ -368,7 +365,6 @@ TEST_F(EventEngineDNSTest, TestCancelActiveDNSQuery) {
dns_resolver.reset();
dns_resolver_signal_.WaitForNotification();
}
-#endif // GRPC_IOS_EVENT_ENGINE_CLIENT
#define EXPECT_SUCCESS() \
do { \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 637de7d2295..ab7809664f8 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -2072,8 +2072,6 @@ src/core/lib/event_engine/cf_engine/cf_engine.h \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.h \
src/core/lib/event_engine/cf_engine/cftype_unique_ref.h \
-src/core/lib/event_engine/cf_engine/dns_service_resolver.cc \
-src/core/lib/event_engine/cf_engine/dns_service_resolver.h \
src/core/lib/event_engine/channel_args_endpoint_config.cc \
src/core/lib/event_engine/channel_args_endpoint_config.h \
src/core/lib/event_engine/common_closures.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 17607e9339a..d5b0b9258ab 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1850,8 +1850,6 @@ src/core/lib/event_engine/cf_engine/cf_engine.h \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc \
src/core/lib/event_engine/cf_engine/cfstream_endpoint.h \
src/core/lib/event_engine/cf_engine/cftype_unique_ref.h \
-src/core/lib/event_engine/cf_engine/dns_service_resolver.cc \
-src/core/lib/event_engine/cf_engine/dns_service_resolver.h \
src/core/lib/event_engine/channel_args_endpoint_config.cc \
src/core/lib/event_engine/channel_args_endpoint_config.h \
src/core/lib/event_engine/common_closures.h \