[EventEngine] Posix NativeDNSResolver implementation (#35153)

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Closes #35153

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35153 from yijiem:native_dns_resolver a4107f7d812c5f9986b1160e20b4ae9fee6e6e62
PiperOrigin-RevId: 588543137

1 files changed, 49 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d2a53f4ed..9782163ed8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1213,6 +1213,9 @@ if(gRPC_BUILD_TESTS)
     add_dependencies(buildtests_cxx posix_event_engine_connect_test)
   endif()
   if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
+    add_dependencies(buildtests_cxx posix_event_engine_native_dns_test)
+  endif()
+  if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
     add_dependencies(buildtests_cxx posix_event_engine_test)
   endif()
   add_dependencies(buildtests_cxx pre_stop_hook_server_test)
@@ -2245,6 +2248,7 @@ add_library(grpc
   src/core/lib/event_engine/posix_engine/event_poller_posix_default.cc
   src/core/lib/event_engine/posix_engine/internal_errqueue.cc
   src/core/lib/event_engine/posix_engine/lockfree_event.cc
+  src/core/lib/event_engine/posix_engine/native_dns_resolver.cc
   src/core/lib/event_engine/posix_engine/posix_endpoint.cc
   src/core/lib/event_engine/posix_engine/posix_engine.cc
   src/core/lib/event_engine/posix_engine/posix_engine_listener.cc
@@ -2973,6 +2977,7 @@ add_library(grpc_unsecure
   src/core/lib/event_engine/posix_engine/event_poller_posix_default.cc
   src/core/lib/event_engine/posix_engine/internal_errqueue.cc
   src/core/lib/event_engine/posix_engine/lockfree_event.cc
+  src/core/lib/event_engine/posix_engine/native_dns_resolver.cc
   src/core/lib/event_engine/posix_engine/posix_endpoint.cc
   src/core/lib/event_engine/posix_engine/posix_engine.cc
   src/core/lib/event_engine/posix_engine/posix_engine_listener.cc
@@ -4961,6 +4966,7 @@ add_library(grpc_authorization_provider
   src/core/lib/event_engine/posix_engine/event_poller_posix_default.cc
   src/core/lib/event_engine/posix_engine/internal_errqueue.cc
   src/core/lib/event_engine/posix_engine/lockfree_event.cc
+  src/core/lib/event_engine/posix_engine/native_dns_resolver.cc
   src/core/lib/event_engine/posix_engine/posix_endpoint.cc
   src/core/lib/event_engine/posix_engine/posix_engine.cc
   src/core/lib/event_engine/posix_engine/posix_engine_listener.cc
@@ -18280,6 +18286,48 @@ endif()
 if(gRPC_BUILD_TESTS)
 if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
 
+  add_executable(posix_event_engine_native_dns_test
+    test/core/event_engine/event_engine_test_utils.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/posix_event_engine_native_dns_test.cc
+    test/core/event_engine/test_suite/tests/dns_test.cc
+    test/core/util/fake_udp_and_tcp_server.cc
+    test/cpp/util/get_grpc_test_runfile_dir.cc
+    test/cpp/util/windows/manifest_file.cc
+  )
+  target_compile_features(posix_event_engine_native_dns_test PUBLIC cxx_std_14)
+  target_include_directories(posix_event_engine_native_dns_test
+    PRIVATE
+      ${CMAKE_CURRENT_SOURCE_DIR}
+      ${CMAKE_CURRENT_SOURCE_DIR}/include
+      ${_gRPC_ADDRESS_SORTING_INCLUDE_DIR}
+      ${_gRPC_RE2_INCLUDE_DIR}
+      ${_gRPC_SSL_INCLUDE_DIR}
+      ${_gRPC_UPB_GENERATED_DIR}
+      ${_gRPC_UPB_GRPC_GENERATED_DIR}
+      ${_gRPC_UPB_INCLUDE_DIR}
+      ${_gRPC_XXHASH_INCLUDE_DIR}
+      ${_gRPC_ZLIB_INCLUDE_DIR}
+      third_party/googletest/googletest/include
+      third_party/googletest/googletest
+      third_party/googletest/googlemock/include
+      third_party/googletest/googlemock
+      ${_gRPC_PROTO_GENS_DIR}
+  )
+
+  target_link_libraries(posix_event_engine_native_dns_test
+    ${_gRPC_ALLTARGETS_LIBRARIES}
+    gtest
+    grpc++_test_util
+  )
+
+
+endif()
+endif()
+if(gRPC_BUILD_TESTS)
+if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_POSIX)
+
   add_executable(posix_event_engine_test
     test/core/event_engine/event_engine_test_utils.cc
     test/core/event_engine/test_suite/event_engine_test_framework.cc
@@ -24603,6 +24651,7 @@ add_executable(test_core_transport_chaotic_good_frame_test
   src/core/lib/event_engine/posix_engine/event_poller_posix_default.cc
   src/core/lib/event_engine/posix_engine/internal_errqueue.cc
   src/core/lib/event_engine/posix_engine/lockfree_event.cc
+  src/core/lib/event_engine/posix_engine/native_dns_resolver.cc
   src/core/lib/event_engine/posix_engine/posix_endpoint.cc
   src/core/lib/event_engine/posix_engine/posix_engine.cc
   src/core/lib/event_engine/posix_engine/posix_engine_listener.cc