[grpc][Gpr_To_Absl_Logging] Using absl from within gpr logging (#36108)

![Config_Vars_Absl (1)](https://github.com/grpc/grpc/assets/139093547/04d9b75c-dd1c-42ee-81a3-d20e2bbd5672)  Closes #36108 COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36108 from tanvi-jagtap:tjagtap_config_vars c48a3524f0 PiperOrigin-RevId: 615652000
10 months ago · 2c49416713
parent 424e95ccbb
commit 2c49416713
22 changed files with 226 additions and 17 deletions
--- a/2
+++ b/2
@ -746,7 +746,9 @@ grpc_cc_library(
    external_deps = [
        "absl/base",
        "absl/base:core_headers",
+        "absl/base:log_severity",
        "absl/functional:any_invocable",
+        "absl/log",
        "absl/memory",
        "absl/random",
        "absl/status",
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -97,6 +97,7 @@ set(gRPC_ABSL_PROVIDER "module" CACHE STRING "Provider of absl library")
 set_property(CACHE gRPC_ABSL_PROVIDER PROPERTY STRINGS "module" "package")

 set(gRPC_ABSL_USED_TARGETS
+  absl_absl_vlog_is_on
  absl_algorithm
  absl_algorithm_container
  absl_any_invocable
@ -135,6 +136,7 @@ set(gRPC_ABSL_USED_TARGETS
  absl_dynamic_annotations
  absl_endian
  absl_errno_saver
+  absl_examine_stack
  absl_exponential_biased
  absl_fast_type_id
  absl_fixed_array
@ -163,7 +165,26 @@ set(gRPC_ABSL_USED_TARGETS
  absl_int128
  absl_kernel_timeout_internal
  absl_layout
+  absl_log
+  absl_log_entry
+  absl_log_globals
+  absl_log_internal_append_truncated
+  absl_log_internal_conditions
+  absl_log_internal_config
+  absl_log_internal_fnmatch
+  absl_log_internal_format
+  absl_log_internal_globals
+  absl_log_internal_log_impl
+  absl_log_internal_log_sink_set
+  absl_log_internal_message
+  absl_log_internal_nullguard
+  absl_log_internal_nullstream
+  absl_log_internal_proto
+  absl_log_internal_strip
+  absl_log_internal_voidify
  absl_log_severity
+  absl_log_sink
+  absl_log_sink_registry
  absl_low_level_hash
  absl_malloc_internal
  absl_memory
@ -221,6 +242,8 @@ set(gRPC_ABSL_USED_TARGETS
  absl_type_traits
  absl_utility
  absl_variant
+  absl_vlog_config_internal
+  absl_vlog_is_on
  absl_meta
 )

@ -1714,9 +1737,11 @@ target_link_libraries(gpr
  ${_gRPC_ALLTARGETS_LIBRARIES}
  absl::base
  absl::core_headers
+  absl::log_severity
  absl::flags
  absl::flags_marshalling
  absl::any_invocable
+  absl::log
  absl::memory
  absl::random_random
  absl::status
@ -36369,7 +36394,7 @@ generate_pkgconfig(
  "gpr"
  "gRPC platform support library"
  "${gRPC_CORE_VERSION}"
-  "absl_any_invocable absl_base absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_memory absl_optional absl_random_random absl_status absl_str_format absl_strings absl_synchronization absl_time absl_variant"
+  "absl_any_invocable absl_base absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_log absl_log_severity absl_memory absl_optional absl_random_random absl_status absl_str_format absl_strings absl_synchronization absl_time absl_variant"
  ""
  "-lgpr"
  ""
@ -36380,7 +36405,7 @@ generate_pkgconfig(
  "gRPC"
  "high performance general RPC framework"
  "${gRPC_CORE_VERSION}"
-  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr"
+  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_log absl_log_severity absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr"
  "libcares openssl re2 zlib"
  "-lgrpc"
  "-laddress_sorting -lupb_textformat_lib -lupb_json_lib -lutf8_range_lib -lupb_message_lib -lupb_mem_lib -lupb_base_lib"
@ -36391,7 +36416,7 @@ generate_pkgconfig(
  "gRPC unsecure"
  "high performance general RPC framework without SSL"
  "${gRPC_CORE_VERSION}"
-  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr"
+  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_log absl_log_severity absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr"
  "libcares zlib"
  "-lgrpc_unsecure"
  "-laddress_sorting -lutf8_range_lib -lupb_message_lib -lupb_mem_lib -lupb_base_lib"
@ -36402,7 +36427,7 @@ generate_pkgconfig(
  "gRPC++"
  "C++ wrapper for gRPC"
  "${gRPC_CPP_VERSION}"
-  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr grpc"
+  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_log absl_log_severity absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr grpc"
  "libcares openssl re2 zlib"
  "-lgrpc++"
  "-laddress_sorting -lupb_textformat_lib -lupb_json_lib -lutf8_range_lib -lupb_message_lib -lupb_mem_lib -lupb_base_lib"
@ -36413,7 +36438,7 @@ generate_pkgconfig(
  "gRPC++ unsecure"
  "C++ wrapper for gRPC without SSL"
  "${gRPC_CPP_VERSION}"
-  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr grpc_unsecure"
+  "absl_algorithm_container absl_any_invocable absl_base absl_bind_front absl_cleanup absl_config absl_cord absl_core_headers absl_flags absl_flags_marshalling absl_flat_hash_map absl_flat_hash_set absl_function_ref absl_hash absl_inlined_vector absl_log absl_log_severity absl_memory absl_no_destructor absl_optional absl_random_bit_gen_ref absl_random_distributions absl_random_random absl_span absl_status absl_statusor absl_str_format absl_strings absl_synchronization absl_time absl_type_traits absl_utility absl_variant gpr grpc_unsecure"
  "libcares zlib"
  "-lgrpc++_unsecure"
  "-laddress_sorting -lutf8_range_lib -lupb_message_lib -lupb_mem_lib -lupb_base_lib"
--- a/13
+++ b/13
@ -1539,6 +1539,7 @@ LIBGRPC_SRC = \
    third_party/abseil-cpp/absl/debugging/internal/address_is_readable.cc \
    third_party/abseil-cpp/absl/debugging/internal/demangle.cc \
    third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.cc \
+    third_party/abseil-cpp/absl/debugging/internal/examine_stack.cc \
    third_party/abseil-cpp/absl/debugging/internal/vdso_support.cc \
    third_party/abseil-cpp/absl/debugging/stacktrace.cc \
    third_party/abseil-cpp/absl/debugging/symbolize.cc \
@ -1553,6 +1554,18 @@ LIBGRPC_SRC = \
    third_party/abseil-cpp/absl/hash/internal/city.cc \
    third_party/abseil-cpp/absl/hash/internal/hash.cc \
    third_party/abseil-cpp/absl/hash/internal/low_level_hash.cc \
+    third_party/abseil-cpp/absl/log/globals.cc \
+    third_party/abseil-cpp/absl/log/internal/conditions.cc \
+    third_party/abseil-cpp/absl/log/internal/fnmatch.cc \
+    third_party/abseil-cpp/absl/log/internal/globals.cc \
+    third_party/abseil-cpp/absl/log/internal/log_format.cc \
+    third_party/abseil-cpp/absl/log/internal/log_message.cc \
+    third_party/abseil-cpp/absl/log/internal/log_sink_set.cc \
+    third_party/abseil-cpp/absl/log/internal/nullguard.cc \
+    third_party/abseil-cpp/absl/log/internal/proto.cc \
+    third_party/abseil-cpp/absl/log/internal/vlog_config.cc \
+    third_party/abseil-cpp/absl/log/log_entry.cc \
+    third_party/abseil-cpp/absl/log/log_sink.cc \
    third_party/abseil-cpp/absl/numeric/int128.cc \
    third_party/abseil-cpp/absl/profiling/internal/exponential_biased.cc \
    third_party/abseil-cpp/absl/random/discrete_distribution.cc \
--- a/build_autogenerated.yaml
+++ b/build_autogenerated.yaml
@ -125,9 +125,11 @@ libs:
  deps:
  - absl/base:base
  - absl/base:core_headers
+  - absl/base:log_severity
  - absl/flags:flag
  - absl/flags:marshalling
  - absl/functional:any_invocable
+  - absl/log:log
  - absl/memory:memory
  - absl/random:random
  - absl/status:status
--- a/config.m4
+++ b/config.m4
@ -924,6 +924,7 @@ if test "$PHP_GRPC" != "no"; then
    third_party/abseil-cpp/absl/debugging/internal/address_is_readable.cc \
    third_party/abseil-cpp/absl/debugging/internal/demangle.cc \
    third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.cc \
+    third_party/abseil-cpp/absl/debugging/internal/examine_stack.cc \
    third_party/abseil-cpp/absl/debugging/internal/vdso_support.cc \
    third_party/abseil-cpp/absl/debugging/stacktrace.cc \
    third_party/abseil-cpp/absl/debugging/symbolize.cc \
@ -938,6 +939,18 @@ if test "$PHP_GRPC" != "no"; then
    third_party/abseil-cpp/absl/hash/internal/city.cc \
    third_party/abseil-cpp/absl/hash/internal/hash.cc \
    third_party/abseil-cpp/absl/hash/internal/low_level_hash.cc \
+    third_party/abseil-cpp/absl/log/globals.cc \
+    third_party/abseil-cpp/absl/log/internal/conditions.cc \
+    third_party/abseil-cpp/absl/log/internal/fnmatch.cc \
+    third_party/abseil-cpp/absl/log/internal/globals.cc \
+    third_party/abseil-cpp/absl/log/internal/log_format.cc \
+    third_party/abseil-cpp/absl/log/internal/log_message.cc \
+    third_party/abseil-cpp/absl/log/internal/log_sink_set.cc \
+    third_party/abseil-cpp/absl/log/internal/nullguard.cc \
+    third_party/abseil-cpp/absl/log/internal/proto.cc \
+    third_party/abseil-cpp/absl/log/internal/vlog_config.cc \
+    third_party/abseil-cpp/absl/log/log_entry.cc \
+    third_party/abseil-cpp/absl/log/log_sink.cc \
    third_party/abseil-cpp/absl/numeric/int128.cc \
    third_party/abseil-cpp/absl/profiling/internal/exponential_biased.cc \
    third_party/abseil-cpp/absl/random/discrete_distribution.cc \
@ -1600,6 +1613,8 @@ if test "$PHP_GRPC" != "no"; then
  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/flags)
  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/flags/internal)
  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/hash/internal)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/log)
+  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/log/internal)
  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/numeric)
  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/profiling/internal)
  PHP_ADD_BUILD_DIR($ext_builddir/third_party/abseil-cpp/absl/random)
--- a/config.w32
+++ b/config.w32
@ -889,6 +889,7 @@ if (PHP_GRPC != "no") {
    "third_party\\abseil-cpp\\absl\\debugging\\internal\\address_is_readable.cc " +
    "third_party\\abseil-cpp\\absl\\debugging\\internal\\demangle.cc " +
    "third_party\\abseil-cpp\\absl\\debugging\\internal\\elf_mem_image.cc " +
+    "third_party\\abseil-cpp\\absl\\debugging\\internal\\examine_stack.cc " +
    "third_party\\abseil-cpp\\absl\\debugging\\internal\\vdso_support.cc " +
    "third_party\\abseil-cpp\\absl\\debugging\\stacktrace.cc " +
    "third_party\\abseil-cpp\\absl\\debugging\\symbolize.cc " +
@ -903,6 +904,18 @@ if (PHP_GRPC != "no") {
    "third_party\\abseil-cpp\\absl\\hash\\internal\\city.cc " +
    "third_party\\abseil-cpp\\absl\\hash\\internal\\hash.cc " +
    "third_party\\abseil-cpp\\absl\\hash\\internal\\low_level_hash.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\globals.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\conditions.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\fnmatch.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\globals.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\log_format.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\log_message.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\log_sink_set.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\nullguard.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\proto.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\internal\\vlog_config.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\log_entry.cc " +
+    "third_party\\abseil-cpp\\absl\\log\\log_sink.cc " +
    "third_party\\abseil-cpp\\absl\\numeric\\int128.cc " +
    "third_party\\abseil-cpp\\absl\\profiling\\internal\\exponential_biased.cc " +
    "third_party\\abseil-cpp\\absl\\random\\discrete_distribution.cc " +
@ -1747,6 +1760,8 @@ if (PHP_GRPC != "no") {
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\flags\\internal");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\hash");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\hash\\internal");
+  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\log");
+  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\log\\internal");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\numeric");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\profiling");
  FSO.CreateFolder(base_dir+"\\ext\\grpc\\third_party\\abseil-cpp\\absl\\profiling\\internal");
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@ -230,6 +230,7 @@ Pod::Spec.new do |s|
    ss.dependency 'abseil/base/base', abseil_version
    ss.dependency 'abseil/base/config', abseil_version
    ss.dependency 'abseil/base/core_headers', abseil_version
+    ss.dependency 'abseil/base/log_severity', abseil_version
    ss.dependency 'abseil/base/no_destructor', abseil_version
    ss.dependency 'abseil/cleanup/cleanup', abseil_version
    ss.dependency 'abseil/container/flat_hash_map', abseil_version
@ -241,6 +242,7 @@ Pod::Spec.new do |s|
    ss.dependency 'abseil/functional/bind_front', abseil_version
    ss.dependency 'abseil/functional/function_ref', abseil_version
    ss.dependency 'abseil/hash/hash', abseil_version
+    ss.dependency 'abseil/log/log', abseil_version
    ss.dependency 'abseil/memory/memory', abseil_version
    ss.dependency 'abseil/meta/type_traits', abseil_version
    ss.dependency 'abseil/random/bit_gen_ref', abseil_version
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@ -200,6 +200,7 @@ Pod::Spec.new do |s|
    ss.dependency 'abseil/base/base', abseil_version
    ss.dependency 'abseil/base/config', abseil_version
    ss.dependency 'abseil/base/core_headers', abseil_version
+    ss.dependency 'abseil/base/log_severity', abseil_version
    ss.dependency 'abseil/base/no_destructor', abseil_version
    ss.dependency 'abseil/cleanup/cleanup', abseil_version
    ss.dependency 'abseil/container/flat_hash_map', abseil_version
@ -211,6 +212,7 @@ Pod::Spec.new do |s|
    ss.dependency 'abseil/functional/bind_front', abseil_version
    ss.dependency 'abseil/functional/function_ref', abseil_version
    ss.dependency 'abseil/hash/hash', abseil_version
+    ss.dependency 'abseil/log/log', abseil_version
    ss.dependency 'abseil/memory/memory', abseil_version
    ss.dependency 'abseil/meta/type_traits', abseil_version
    ss.dependency 'abseil/random/bit_gen_ref', abseil_version
--- a/grpc.gemspec
+++ b/grpc.gemspec
@ -2122,6 +2122,8 @@ Gem::Specification.new do |s|
  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/demangle.h )
  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.cc )
  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.h )
+  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/examine_stack.cc )
+  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/examine_stack.h )
  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/stacktrace_aarch64-inl.inc )
  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/stacktrace_arm-inl.inc )
  s.files += %w( third_party/abseil-cpp/absl/debugging/internal/stacktrace_config.h )
@ -2179,6 +2181,40 @@ Gem::Specification.new do |s|
  s.files += %w( third_party/abseil-cpp/absl/hash/internal/hash.h )
  s.files += %w( third_party/abseil-cpp/absl/hash/internal/low_level_hash.cc )
  s.files += %w( third_party/abseil-cpp/absl/hash/internal/low_level_hash.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/absl_vlog_is_on.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/globals.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/globals.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/append_truncated.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/conditions.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/conditions.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/config.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/fnmatch.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/fnmatch.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/globals.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/globals.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_format.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_format.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_impl.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_message.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_message.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_sink_set.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/log_sink_set.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/nullguard.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/nullguard.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/nullstream.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/proto.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/proto.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/strip.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/vlog_config.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/vlog_config.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/internal/voidify.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/log.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/log_entry.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/log_entry.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/log_sink.cc )
+  s.files += %w( third_party/abseil-cpp/absl/log/log_sink.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/log_sink_registry.h )
+  s.files += %w( third_party/abseil-cpp/absl/log/vlog_is_on.h )
  s.files += %w( third_party/abseil-cpp/absl/memory/memory.h )
  s.files += %w( third_party/abseil-cpp/absl/meta/type_traits.h )
  s.files += %w( third_party/abseil-cpp/absl/numeric/bits.h )
--- a/grpc.gyp
+++ b/grpc.gyp
@ -194,9 +194,11 @@
      'dependencies': [
        'absl/base:base',
        'absl/base:core_headers',
+        'absl/base:log_severity',
        'absl/flags:flag',
        'absl/flags:marshalling',
        'absl/functional:any_invocable',
+        'absl/log:log',
        'absl/memory:memory',
        'absl/random:random',
        'absl/status:status',
--- a/package.xml
+++ b/package.xml
@ -2126,6 +2126,8 @@
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/demangle.h" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.cc" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/examine_stack.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/examine_stack.h" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/stacktrace_aarch64-inl.inc" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/stacktrace_arm-inl.inc" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/debugging/internal/stacktrace_config.h" role="src" />
@ -2183,6 +2185,40 @@
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/hash/internal/hash.h" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/hash/internal/low_level_hash.cc" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/hash/internal/low_level_hash.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/absl_vlog_is_on.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/globals.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/globals.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/append_truncated.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/conditions.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/conditions.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/config.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/fnmatch.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/fnmatch.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/globals.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/globals.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_format.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_format.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_impl.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_message.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_message.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_sink_set.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/log_sink_set.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/nullguard.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/nullguard.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/nullstream.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/proto.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/proto.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/strip.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/vlog_config.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/vlog_config.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/internal/voidify.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/log.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/log_entry.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/log_entry.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/log_sink.cc" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/log_sink.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/log_sink_registry.h" role="src" />
+    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/log/vlog_is_on.h" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/memory/memory.h" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/meta/type_traits.h" role="src" />
    <file baseinstalldir="/" name="third_party/abseil-cpp/absl/numeric/bits.h" role="src" />
--- a/src/core/lib/config/config_vars.cc
+++ b/src/core/lib/config/config_vars.cc
@ -20,11 +20,8 @@

 #include "src/core/lib/config/config_vars.h"

-#include <vector>
-
 #include "absl/flags/flag.h"
 #include "absl/strings/escaping.h"
-#include "absl/strings/str_cat.h"

 #include "src/core/lib/config/load_config.h"

@ -78,6 +75,8 @@ ABSL_FLAG(absl::optional<bool>, grpc_not_use_system_ssl_roots, {},
          "Disable loading system root certificates.");
 ABSL_FLAG(absl::optional<std::string>, grpc_ssl_cipher_suites, {},
          "A colon separated list of cipher suites to use with OpenSSL");
+ABSL_FLAG(absl::optional<bool>, grpc_absl_logging, {},
+          "Use absl logging from within gpr_log.");

 namespace grpc_core {

@ -95,6 +94,8 @@ ConfigVars::ConfigVars(const Overrides& overrides)
      not_use_system_ssl_roots_(LoadConfig(
          FLAGS_grpc_not_use_system_ssl_roots, "GRPC_NOT_USE_SYSTEM_SSL_ROOTS",
          overrides.not_use_system_ssl_roots, false)),
+      absl_logging_(LoadConfig(FLAGS_grpc_absl_logging, "GRPC_ABSL_LOGGING",
+                               overrides.absl_logging, false)),
      dns_resolver_(LoadConfig(FLAGS_grpc_dns_resolver, "GRPC_DNS_RESOLVER",
                               overrides.dns_resolver, "")),
      verbosity_(LoadConfig(FLAGS_grpc_verbosity, "GRPC_VERBOSITY",
@ -146,7 +147,8 @@ std::string ConfigVars::ToString() const {
      "\"", ", default_ssl_roots_file_path: ", "\"",
      absl::CEscape(DefaultSslRootsFilePath()), "\"",
      ", not_use_system_ssl_roots: ", NotUseSystemSslRoots() ? "true" : "false",
-      ", ssl_cipher_suites: ", "\"", absl::CEscape(SslCipherSuites()), "\"");
+      ", ssl_cipher_suites: ", "\"", absl::CEscape(SslCipherSuites()), "\"",
+      ", absl_logging: ", AbslLogging() ? "true" : "false");
 }

 }  // namespace grpc_core
--- a/src/core/lib/config/config_vars.h
+++ b/src/core/lib/config/config_vars.h
@ -38,6 +38,7 @@ class GPR_DLL ConfigVars {
    absl::optional<bool> enable_fork_support;
    absl::optional<bool> abort_on_leaks;
    absl::optional<bool> not_use_system_ssl_roots;
+    absl::optional<bool> absl_logging;
    absl::optional<std::string> dns_resolver;
    absl::optional<std::string> verbosity;
    absl::optional<std::string> stacktrace_minloglevel;
@ -102,6 +103,8 @@ class GPR_DLL ConfigVars {
  bool NotUseSystemSslRoots() const { return not_use_system_ssl_roots_; }
  // A colon separated list of cipher suites to use with OpenSSL
  absl::string_view SslCipherSuites() const { return ssl_cipher_suites_; }
+  // Use absl logging from within gpr_log.
+  bool AbslLogging() const { return absl_logging_; }

 private:
  explicit ConfigVars(const Overrides& overrides);
@ -111,6 +114,7 @@ class GPR_DLL ConfigVars {
  bool enable_fork_support_;
  bool abort_on_leaks_;
  bool not_use_system_ssl_roots_;
+  bool absl_logging_;
  std::string dns_resolver_;
  std::string verbosity_;
  std::string stacktrace_minloglevel_;
--- a/src/core/lib/config/config_vars.yaml
+++ b/src/core/lib/config/config_vars.yaml
@ -126,3 +126,8 @@
    ECDHE-ECDSA-AES256-GCM-SHA384:\
    ECDHE-RSA-AES128-GCM-SHA256:\
    ECDHE-RSA-AES256-GCM-SHA384"
+- name: absl_logging
+  type: bool
+  default: false
+  description:
+    Use absl logging from within gpr_log.
--- a/src/core/lib/gpr/android/log.cc
+++ b/src/core/lib/gpr/android/log.cc
@ -57,7 +57,7 @@ void gpr_log(const char* file, int line, gpr_log_severity severity,
  free(message);
 }

-void gpr_default_log(gpr_log_func_args* args) {
+void gpr_platform_log(gpr_log_func_args* args) {
  const char* final_slash;
  const char* display_file;
  char* output = NULL;
--- a/src/core/lib/gpr/linux/log.cc
+++ b/src/core/lib/gpr/linux/log.cc
@ -70,7 +70,7 @@ void gpr_log(const char* file, int line, gpr_log_severity severity,
  free(message);
 }

-void gpr_default_log(gpr_log_func_args* args) {
+void gpr_platform_log(gpr_log_func_args* args) {
  const char* final_slash;
  const char* display_file;
  char time_buffer[64];
--- a/src/core/lib/gpr/log.cc
+++ b/src/core/lib/gpr/log.cc
@ -18,6 +18,8 @@

 #include <grpc/support/port_platform.h>

+#include "absl/log/log.h"
+
 #include <stdio.h>
 #include <string.h>

@ -40,6 +42,7 @@ static constexpr gpr_atm GPR_LOG_SEVERITY_UNSET = GPR_LOG_SEVERITY_ERROR + 10;
 static constexpr gpr_atm GPR_LOG_SEVERITY_NONE = GPR_LOG_SEVERITY_ERROR + 11;

 void gpr_default_log(gpr_log_func_args* args);
+void gpr_platform_log(gpr_log_func_args* args);
 static gpr_atm g_log_func = reinterpret_cast<gpr_atm>(gpr_default_log);
 static gpr_atm g_min_severity_to_print = GPR_LOG_SEVERITY_UNSET;
 static gpr_atm g_min_severity_to_print_stacktrace = GPR_LOG_SEVERITY_UNSET;
@ -73,6 +76,29 @@ int gpr_should_log(gpr_log_severity severity) {
             : 0;
 }

+void gpr_default_log(gpr_log_func_args* args) {
+  if (!grpc_core::ConfigVars::Get().AbslLogging()) {
+    gpr_platform_log(args);
+    return;
+  }
+  switch (args->severity) {
+    case GPR_LOG_SEVERITY_DEBUG:
+      //  Log DEBUG messages as VLOG(2).
+      VLOG(2).AtLocation(args->file, args->line) << args->message;
+      return;
+    case GPR_LOG_SEVERITY_INFO:
+      LOG(INFO).AtLocation(args->file, args->line) << args->message;
+      return;
+    case GPR_LOG_SEVERITY_ERROR:
+      LOG(ERROR).AtLocation(args->file, args->line) << args->message;
+      return;
+    default:
+      LOG(ERROR) << __func__ << ": unknown gpr log severity(" << args->severity
+                 << "), using ERROR";
+      LOG(ERROR).AtLocation(args->file, args->line) << args->message;
+  }
+}
+
 int gpr_should_log_stacktrace(gpr_log_severity severity) {
  return static_cast<gpr_atm>(severity) >=
                 gpr_atm_no_barrier_load(&g_min_severity_to_print_stacktrace)
--- a/src/core/lib/gpr/posix/log.cc
+++ b/src/core/lib/gpr/posix/log.cc
@ -70,7 +70,7 @@ void gpr_log(const char* file, int line, gpr_log_severity severity,
  gpr_free(allocated);
 }

-void gpr_default_log(gpr_log_func_args* args) {
+void gpr_platform_log(gpr_log_func_args* args) {
  const char* final_slash;
  const char* display_file;
  char time_buffer[64];
--- a/src/core/lib/gpr/windows/log.cc
+++ b/src/core/lib/gpr/windows/log.cc
@ -73,7 +73,7 @@ void gpr_log(const char* file, int line, gpr_log_severity severity,
 }

 // Simple starter implementation
-void gpr_default_log(gpr_log_func_args* args) {
+void gpr_platform_log(gpr_log_func_args* args) {
  const char* final_slash;
  const char* display_file;
  char time_buffer[64];
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@ -888,6 +888,7 @@ CORE_SOURCE_FILES = [
    'third_party/abseil-cpp/absl/debugging/internal/address_is_readable.cc',
    'third_party/abseil-cpp/absl/debugging/internal/demangle.cc',
    'third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.cc',
+    'third_party/abseil-cpp/absl/debugging/internal/examine_stack.cc',
    'third_party/abseil-cpp/absl/debugging/internal/vdso_support.cc',
    'third_party/abseil-cpp/absl/debugging/stacktrace.cc',
    'third_party/abseil-cpp/absl/debugging/symbolize.cc',
@ -902,6 +903,18 @@ CORE_SOURCE_FILES = [
    'third_party/abseil-cpp/absl/hash/internal/city.cc',
    'third_party/abseil-cpp/absl/hash/internal/hash.cc',
    'third_party/abseil-cpp/absl/hash/internal/low_level_hash.cc',
+    'third_party/abseil-cpp/absl/log/globals.cc',
+    'third_party/abseil-cpp/absl/log/internal/conditions.cc',
+    'third_party/abseil-cpp/absl/log/internal/fnmatch.cc',
+    'third_party/abseil-cpp/absl/log/internal/globals.cc',
+    'third_party/abseil-cpp/absl/log/internal/log_format.cc',
+    'third_party/abseil-cpp/absl/log/internal/log_message.cc',
+    'third_party/abseil-cpp/absl/log/internal/log_sink_set.cc',
+    'third_party/abseil-cpp/absl/log/internal/nullguard.cc',
+    'third_party/abseil-cpp/absl/log/internal/proto.cc',
+    'third_party/abseil-cpp/absl/log/internal/vlog_config.cc',
+    'third_party/abseil-cpp/absl/log/log_entry.cc',
+    'third_party/abseil-cpp/absl/log/log_sink.cc',
    'third_party/abseil-cpp/absl/numeric/int128.cc',
    'third_party/abseil-cpp/absl/profiling/internal/exponential_biased.cc',
    'third_party/abseil-cpp/absl/random/discrete_distribution.cc',
--- a/src/python/grpcio_observability/observability_lib_deps.py
+++ b/src/python/grpcio_observability/observability_lib_deps.py
@ -89,6 +89,7 @@ CC_FILES=[
    'third_party/abseil-cpp/absl/debugging/internal/address_is_readable.cc',
    'third_party/abseil-cpp/absl/debugging/internal/demangle.cc',
    'third_party/abseil-cpp/absl/debugging/internal/elf_mem_image.cc',
+    'third_party/abseil-cpp/absl/debugging/internal/examine_stack.cc',
    'third_party/abseil-cpp/absl/debugging/internal/vdso_support.cc',
    'third_party/abseil-cpp/absl/debugging/stacktrace.cc',
    'third_party/abseil-cpp/absl/debugging/symbolize.cc',
@ -103,6 +104,18 @@ CC_FILES=[
    'third_party/abseil-cpp/absl/hash/internal/city.cc',
    'third_party/abseil-cpp/absl/hash/internal/hash.cc',
    'third_party/abseil-cpp/absl/hash/internal/low_level_hash.cc',
+    'third_party/abseil-cpp/absl/log/globals.cc',
+    'third_party/abseil-cpp/absl/log/internal/conditions.cc',
+    'third_party/abseil-cpp/absl/log/internal/fnmatch.cc',
+    'third_party/abseil-cpp/absl/log/internal/globals.cc',
+    'third_party/abseil-cpp/absl/log/internal/log_format.cc',
+    'third_party/abseil-cpp/absl/log/internal/log_message.cc',
+    'third_party/abseil-cpp/absl/log/internal/log_sink_set.cc',
+    'third_party/abseil-cpp/absl/log/internal/nullguard.cc',
+    'third_party/abseil-cpp/absl/log/internal/proto.cc',
+    'third_party/abseil-cpp/absl/log/internal/vlog_config.cc',
+    'third_party/abseil-cpp/absl/log/log_entry.cc',
+    'third_party/abseil-cpp/absl/log/log_sink.cc',
    'third_party/abseil-cpp/absl/numeric/int128.cc',
    'third_party/abseil-cpp/absl/profiling/internal/exponential_biased.cc',
    'third_party/abseil-cpp/absl/random/discrete_distribution.cc',
--- a/test/core/util/fuzz_config_vars.cc
+++ b/test/core/util/fuzz_config_vars.cc
@ -18,10 +18,6 @@

 #include "test/core/util/fuzz_config_vars.h"

-#include <string>
-
-#include "absl/types/optional.h"
-
 #include "test/core/util/fuzz_config_vars_helpers.h"

 namespace grpc_core {