Commit Graph

170 Commits

Author SHA1 Message Date
Tanvi Jagtap ed5893120e [grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging - gpr_log (#36608)
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging - gpr_log
In this CL we are migrating from gRPCs own gpr logging mechanism to absl logging mechanism. The intention is to deprecate gpr_log in the future.

We have the following mapping
1. gpr_log(GPR_INFO,...) -> LOG(INFO)
2. gpr_log(GPR_ERROR,...) -> LOG(ERROR)
3. gpr_log(GPR_DEBUG,...) -> VLOG(2)

Reviewers need to check :

1. If the above mapping is correct.
2. The content of the log is as before.

gpr_log format strings did not use string_view or std::string . absl LOG accepts these. So there will be some elimination of string_view and std::string related conversions. This is expected.

Closes #36608

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36608 from tanvi-jagtap:regex_test_core_misc e6b9481dac
PiperOrigin-RevId: 634246311
2024-05-16 00:37:10 -07:00
Mark D. Roth 58a4b9c922 [reorg] move src/core/lib/gpr -> src/core/util (#36543)
Closes #36543

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36543 from markdroth:reorg_util_gpr ba84e186be
PiperOrigin-RevId: 634113744
2024-05-15 16:32:20 -07:00
Tanvi Jagtap d8b141f9bb [grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging - BUILD (#36604)
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging - BUILD
In this CL we are just editing the build and bzl files to add dependencies.
This is done to prevent merge conflict and constantly having to re-make the make files using generate_projects.sh for each set of changes.

Closes #36604

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36604 from tanvi-jagtap:build_test_core_misc_01 8995ba4914
PiperOrigin-RevId: 633519619
2024-05-14 03:32:39 -07:00
Mark D. Roth 0944410d6c [reorg] move test/core/util -> test/core/test_util (#36446)
Closes #36446

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36446 from markdroth:reorg_test 5dcc85e006
PiperOrigin-RevId: 629229220
2024-04-29 17:06:40 -07:00
Tanvi Jagtap 60dc14e833 [grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging GPR_ASSERT (#36457)
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging GPR_ASSERT
Replacing GPR_ASSERT with absl CHECK.
These changes have been made using string replacement and regex.
Will not be replacing all instances of CHECK with CHECK_EQ , CHECK_NE etc because there are too many callsites. Only ones which are doable using very simple regex with least chance of failure will be replaced.
Given that we have 5000+ instances of GPR_ASSERT to edit, Doing it manually is too much work for both the author and reviewer.

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Closes #36457

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36457 from tanvi-jagtap:tjagtap_misc_test 978d0411b8
PiperOrigin-RevId: 628949744
2024-04-28 21:36:02 -07:00
Craig Tiller b0cf42d86e [clang-format] Remove requirement that port_platform.h is at the top (#36281)
Closes #36281

PiperOrigin-RevId: 623176865
2024-04-09 08:58:34 -07:00
Mark D. Roth e715261ac6 [slice] remove absl_base64 experiment (#36178)
Closes #36178

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36178 from markdroth:b64_remove 0139e3bce8
PiperOrigin-RevId: 619288082
2024-03-26 13:16:27 -07:00
Yijie Ma bae0c705aa
[Deps] Update to Clang-16 (#34492)
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2023-10-11 16:26:32 -07:00
Craig Tiller d139c4a014
[metadata] Add an experiment to ensure a unique refcount on parsed slice strings (#33205)
The intuition here is that these strings may end up in the hpack table,
and then unnecessarily extend the lifetime of the read blocks.

Instead, take a copy of these short strings when we need to and allow
the incoming large memory object to be discarded.

---------

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2023-07-05 20:57:03 -07:00
Craig Tiller 0893fca089
[promises] Roll forward server promise calls with fixes (#32261)
* stuff

* spam-cleanup

* Revert "Revert "[promises] Server call (#31448)" (#32260)"

This reverts commit dbfb888e1f.

* spam-cleanup

* Automated change: Fix sanity tests

* asserts-for-sanity

---------

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2023-02-01 16:07:46 -08:00
Craig Tiller dbfb888e1f
Revert "[promises] Server call (#31448)" (#32260)
* Revert "[promises] Server call (#31448)"

This reverts commit bbeb15006a.

* clang-fmt
2023-02-01 09:18:04 -08:00
Craig Tiller bbeb15006a
[promises] Server call (#31448)
* add experiment

* allow instantiation

* scratchings

* scratchings

* sniffly

* Automated change: Fix sanity tests

* fix

* fix

* fix

* Automated change: Fix sanity tests

* progress

* change pipe labels to enable server code to be written

* better api

* Automated change: Fix sanity tests

* progress

* [promises] Implementation of deadline for server-based-calls

* compression filter compiles again

* Automated change: Fix sanity tests

* fix

* server tracing fixes

* get client initial metadata

* progress

* progress

* server call surface progress

* Automated change: Fix sanity tests

* move payload

* server-progress

* recv-message-server-connchan

* logging

* fix context-gate

* recv fix@top

* Automated change: Fix sanity tests

* recv close on server

* top termination start

* [promises] Move Empty to be first class

* fixes

* fix

* flow control fix

* got to orphan!

* orphan

* call orphan

* spam cleanup

* fix

* new cancelation semantics

* progress

* large metadata fixes

* fix

* fix

* log

* better logs

* fix-chanz

* logging, necessaryness

* fix typo

* fixes

* fix

* fix

* fix-pipe

* cleanup logging

* fix

* build-fix

* fix

* Automated change: Fix sanity tests

* logging

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* better primitive

* Revert "better primitive"

This reverts commit 119b5ee244.

* fix

* fix

* trrracing

* Automated change: Fix sanity tests

* get-trailing-metadata

* cancellation

* Automated change: Fix sanity tests

* add transform pipeline to pipe

* add transform pipeline to pipe

* interceptor lists

* new server initial md api into filters

* convert connected_channel

* convert call

* initial promise based filter conversion

* convert promise based filter

* build fixes

* compile fix

* fixes

* fix ordering

* fixes

* check-metadata

* revert later: debug code

* better debug

* fix metadata ordering with messages in promise based filter

* fix ordering problem between batch completion and promise completion

* properly handle failure on receive message path on client

* more debug, fix a repoll bug in pbf

* Automated change: Fix sanity tests

* fixes

* Automated change: Fix sanity tests

* cleanup logging

* fixes

* missing file

* fixes

* logging

* Automated change: Fix sanity tests

* fixes

* convert logging filter

* fix

* Automated change: Fix sanity tests

* fix bad server response test

* Revert "Disable logging test (#32049)"

This reverts commit 5fc92eaeae.

* fix

* Automated change: Fix sanity tests

* fix memory leaks, logging

* Automated change: Fix sanity tests

* slice refcount debugging

* asan-canaries

* leak-fix

* leak-fix

* Automated change: Fix sanity tests

* fix

* fix

* fix

* fix

* fix

* Automated change: Fix sanity tests

* fix

* remove mistaken line

* add-comment

* fix refcounting bug

* Automated change: Fix sanity tests

* rename variable

* renames

* bleh

* carry pipe close status from bottom of pipe to top to appease
recv-close-on-server

* backport cancellation

* Revert "carry pipe close status from bottom of pipe to top to appease"

This reverts commit fa33301dcd.

* fix

* Automated change: Fix sanity tests

* review-feedback

* comment-ordering

* monostate

* renames

* undo-review-feedback

* fix

* review-feedback

* review-feedback

* fix

* review-feedback

* drop debugloc constructor

* interceptor-list-rev-feedback

* interceptor-list-rev-feedback

* pipe test

* review-feedback

* undo-mistaken-change

* Automated change: Fix sanity tests

* pipe error state

* detect send/recv failures and report

* iwyu, build

* fix submodules

* fix

* warning

* cleanup

* Automated change: Fix sanity tests

* fix

* fix for windows

* fix

* null pointer fix

* iwyu

* gen projex

---------

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2023-01-30 21:39:11 -08:00
Craig Tiller ced640dd69
[slice] Remove mutable slice casts (#32107)
Any use of these are buggy - MutableSlice needs to do checks to ensure
that there's at most one writer to slice memory in order to be safe,
otherwise we could silently corrupt a reference held elsewhere in the
system.

The right way to use this would probably be
SliceCast<Slice>(whatever).TakeMutable().
2023-01-17 13:27:39 -08:00
Vignesh Babu 4f9ba0f49b
Expand SliceCast to support casts to MutableSlice type (#31996)
* Expand SliceCast to support casts to MutableSlice type

* update
2022-12-30 11:36:12 -08:00
Yijie Ma f99b8b5bc4
Convert c-style comments to C++-style comments (#31923)
* baseline

* fix clang-tidy

* manually revert these files

* manually fixup at eof

* revert 2 more files

* change check_deprecated_grpc++.py

* change end2end_defs.include template

* fix check_include_guards.py

* untrack tools/distrib/python/convert_cstyle_comments_to_cpp.py

not yet ready to be submitted

* fix

yapf check_include_guards.py
remove a space...

* fix version.cc.template

* fix version_info.h.template
2022-12-22 23:01:53 -08:00
Craig Tiller 5664d6ee6b
[slice] Mutable slice cast (#31959)
* [slice] Mutable slice cast

* fix
2022-12-22 12:45:25 -08:00
Craig Tiller 72c296a3c2
[event_engine] Add SliceCast (#31831)
* [event_engine] Add SliceCast

* Automated change: Fix sanity tests

* windows-fix

* comments

* comments

* comments

* build-fix

* fix

* Update port_platform.h

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-12-20 19:46:27 -08:00
Cheng-Yu Chung 5fe132a211
Revert "Revert "Remove `include/grpc/impl/codegen/gpr_slice.h` (#31774)" (#31805)" (#31806)
This reverts commit 39a4343044.

Fixing forward the original PR. The content should be the same as the original PR. The broken part is in the internal.
2022-12-07 00:43:18 +08:00
Cheng-Yu Chung 39a4343044
Revert "Remove `include/grpc/impl/codegen/gpr_slice.h` (#31774)" (#31805)
This reverts commit ac1dee8ac1.
2022-12-05 11:11:42 -08:00
Cheng-Yu Chung ac1dee8ac1
Remove `include/grpc/impl/codegen/gpr_slice.h` (#31774) 2022-12-06 02:33:11 +08:00
Cheng-Yu Chung 3ef817b3bf
Clean up the TODO item in build target `grpc_base` -- part `slice` (#31003)
* Clean up the TODO item in build target `grpc_base` part `slice`

* Automated change: Fix sanity tests
2022-11-15 13:47:27 -05:00
Esun Kim 250f9fc026
Revived google-readability-casting (#31607)
* Added google-readability-casting

* Fix

* Use brace init for constants

* more

* Fix

* Fix 2

* More fix

* Fixf
2022-11-11 16:44:37 -08:00
Yash Tibrewal 5f6c357e74
Move some targets from //: to //src/core: (#31402)
* temp

* temp

* temp

* top BUILD builds

* everything builds

* buildify

* temp fix_build_deps change

* fix gpr_atm

* additional changes

* fix build files

* nofixdeps

* Generate projects

* json_args

* fix context

* Generate projects

* Sprinkle some avoid_dep tags

* Run fix_build_deps

* Remove additional avoid_dep

* Revert some targets

* grpc_mock_cel
2022-10-20 20:12:53 -07:00
Craig Tiller 2ec220a6b1
[sanity] Fix it (#31163)
* fix sanity

* fix sanity
2022-09-29 07:39:56 -07:00
Craig Tiller 8174a75079
[iwyu] Add more test directories (#30952)
* [iwyu] Add more test directories

* fix

* fix

* fix

* fix

* fix

* Automated change: Fix sanity tests

* fix

* iwyu

* Automated change: Fix sanity tests

* fix

* fix

* fix

* fix

* Automated change: Fix sanity tests

* fix

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-09-29 06:47:07 -07:00
Craig Tiller 9c98d67d7a
[c++14] absl::make_unique --> std::make_unique (#31159)
* [c++14] absl::make_unique --> std::make_unique

* fix

* fix
2022-09-29 06:45:17 -07:00
Craig Tiller ebc4f236b6
[slice] Remove _internal variants of APIs (#30953)
* [slice] Remove _internal variants of APIs

* Automated change: Fix sanity tests

* fix

* reduce bloat

* fixes

* Automated change: Fix sanity tests

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-09-24 13:34:00 -07:00
Esun Kim 097729125a
Removed a unnecessary function (#31090) 2022-09-22 10:07:08 -07:00
Craig Tiller 6575ae70b3
[slice] Ensure result is used in test (#31083)
Otherwise sufficiently good compilers may inline SumSlice, see that the result is not used, and discard the code that triggers the crash entirely.
2022-09-21 17:22:22 -07:00
Craig Tiller 05e6bf2e4a
[build] Add test/core/util, test/core/event_engine to auto build deps (#30364)
* [build] Add test/core/util, test/core/event_engine to auto build deps

* deal with suppressions

* fix suppressions

* Automated change: Fix sanity tests

* fix

* fix

* fix

* fix

* progress

* Automated change: Fix sanity tests

* fix

* fix

* fix

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-07-25 21:59:25 -07:00
Esun Kim 6bdc1810c9
gtestify test/core/slice (#30198)
* gtestify test/core/slice

* Fix

* fix

* fix
2022-07-14 11:52:04 -07:00
Craig Tiller 6648dd7447
[slice] Remove dead code (#30139)
* Remove dead code

* More dead code

* Automated change: Fix sanity tests

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-06-29 11:18:04 -07:00
Craig Tiller 50ae54dd1c
[fuzzing] Run fuzzers a little bit as a test (#29919)
* [fuzzer] Add a script to sample fuzzers

* remember the script

* add ci

* bleh

* fix

* Update sample_fuzzers.sh

* tweak

* tweak

* tweak

* tweak

* tweak

* fix fuzzer found bug

* add explainer

* make it bold af

* limit max fuzzing time in addition to runs
2022-06-07 07:37:59 -07:00
Craig Tiller eed6711be9
[build] Opt-in more targets to auto-dependency-checking (#29739)
* useful

* examine_stack, gpr_tls

* more

* more

* Automated change: Fix sanity tests

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-05-20 14:46:18 -07:00
Craig Tiller d96edaf63c
[slice_buffer] Fix forward (#29658) 2022-05-11 14:39:13 -07:00
Craig Tiller 7798e3b741
[slice] Introduce grpc_core::SliceBuffer (#29635)
* A starter SliceBuffer implementation

* Add comments and fix sanity checks

* Minor fixes

* more minor fixes

* Addressing review comments and adding a slice_buffer_test

* fix sanity checks

* regenerate projects

* fixing undefined function error

* reverting changes from memory_allocator.cc and adding them to src/core/lib/slice/slice_buffer.cc to allow memory allocator lib to build correctly

* fix sanity checks

* adding an open source slice definition

* regnerate projects

* fix asan error

* Automated change: Fix sanity tests

* addressing review comments

* fix sanity checks

* regenerate projects

* update

* fix sanity checks

* Converting slice buffer to retarin ownership of the underlying ctype

* [slice_buffer] Introduce grpc_core::SliceBuffer

* add test

* Automated change: Fix sanity tests

* missing files

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* sanity

Co-authored-by: Vignesh Babu <vigneshbabu@google.com>
Co-authored-by: Vignesh2208 <Vignesh2208@users.noreply.github.com>
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-05-11 13:44:35 -07:00
Craig Tiller 5918f98ecb
[iwyu] Enable nosafe_headers (#29591)
* Add flag

* sweep1

* fixes

* speedup

* fixes

* fix

* fix

* fix

* Automated change: Fix sanity tests

* fix

* fix

* fix

* fix

* fix

* fix

* fix

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-05-06 11:31:11 -07:00
Vignesh Babu 6f3d7ccdb1
Modifying slice buffer add to merge two contiguous slices sharing the same refcount object (#29466)
* Modifying slice buffer add to merge two contiguous slices sharing the same refcount object

* sanity checks

* updating test

* fixing grpc_slice_buffer_add API misuse in proto utils

* fix sanity checks

* minor fix
2022-04-22 11:54:41 -07:00
AJ Heller 18a8f6aad9
Refactor end2end tests to exercise each EventEngine (#29202)
* Refactor end2end tests to exercise each EventEngine

* fix incorrect bazel_only exclusions

* Automated change: Fix sanity tests

* microbenchmark fix

* sanitize, fix iOS flub

* Automated change: Fix sanity tests

* iOS fix

* reviewer feedback

* first pass at excluding EventEngine test expansion

Also caught a few cases where we should not test pollers, but should
test all engines. And two cases where we likely shouldn't be testing
either product.

* end2end fuzzers to be fuzzed differently via EventEngine.

* sanitize

* reviewer feedback

* remove misleading comment

* reviewer feedback: comments

* EE test_init needs to play with our build system

* fix golden file test runner

Co-authored-by: drfloob <drfloob@users.noreply.github.com>
2022-03-30 15:43:05 -07:00
Craig Tiller 74a2cb6e2b
Revert "Revert "Reland slice changes (#28601)" (#28615)" (#28624)
* Revert "Revert "Reland slice changes (#28601)" (#28615)"

This reverts commit 939bbfc336.

* Change random seed back to nanoseconds
2022-01-20 12:47:33 -08:00
Craig Tiller 939bbfc336
Revert "Reland slice changes (#28601)" (#28615)
This reverts commit b33e0d40af.
2022-01-19 09:40:19 -08:00
Craig Tiller b33e0d40af
Reland slice changes (#28601)
* Revert "Revert "Eliminate slice interning (#28363)" (#28598)"

This reverts commit 03bf699600.

* fix?
2022-01-18 09:29:49 -08:00
Jan Tattermusch 03bf699600
Revert "Eliminate slice interning (#28363)" (#28598)
This reverts commit 6703186b7a.
2022-01-18 15:44:18 +01:00
Craig Tiller 6703186b7a
Eliminate slice interning (#28363)
Eliminate slice interning, and structures in slices to support it.
Reduces grpc_slice_refcount from 40 bytes (+ a required 8 bytes elsewhere) to 16 bytes.
Removes a pointer dereference for every slice ref/unref.

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-01-17 20:25:45 -08:00
Craig Tiller 4b881c5947
Remove grpc_mdelem (#28267)
* Automated change: Fix sanity tests

* content-type

* Automated change: Fix sanity tests

* clang-format

* fix

* Move colon prefixed metadata

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* try to fix windows failure

* try and scale sizes better

* ambiguity fix?

* wip metadatavalueasslice

* Fix status code for resource exhaustion

* Revert "Revert "Move a bunch of slice typed metadata to new system (#28107)" (#28208)"

This reverts commit 7717587063.

* fix test

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* slice helper

* x

* noinline

* try and scale sizes better

* Automated change: Fix sanity tests

* fixes

* fix

* fix

* fixes

* fix build

* fix overflow

* progress

* Automated change: Fix sanity tests

* fix

* initial work

* progress

* fix

* fix

* Automated change: Fix sanity tests

* progress

* fix

* fix

* fix

* Automated change: Fix sanity tests

* fix

* compressor for path/authority

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* legalize

* legalize

* status-enc

* fmt

* fix

* fix

* fix

* fix

* fix/opt

* fix

* fix

* fix

* fix

* Automated change: Fix sanity tests

* fix

* comment

* fmt

* remove arg

* Automated change: Fix sanity tests

* remove name

* Automated change: Fix sanity tests

* sketch

* Automated change: Fix sanity tests

* progress

* add specialized encoders for compression metadata

* progress

* review feedback

* fix

* missoing files

* remove crud

* xxxxx

* more

* Small improvement in memory usage and performance

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* Fix caching

* Automated change: Fix sanity tests

* omg

* fix crash in alts

* default everything

* Automated change: Fix sanity tests

* review feedback

* fixes

* fixes

* fixes

* Automated change: Fix sanity tests

* speedup

* fix

* fix

* clang-format

* fixes

* progress

* fixes

* fixes

* Automated change: Fix sanity tests

* fix

* fix

* progress

* update timeout encoding algorithm

* Automated change: Fix sanity tests

* fix

* fix

* review feedback

* progress

* progress

* progress

* progress

* builds

* Automated change: Fix sanity tests

* remove debug code

* fix ub

* unname things

* coax compilers

* reduce failures

* fix

* fix

* fix

* fix

* cleanup

* compile fix

* preserve concatenation rule

* spew

* fix

* fix

* postfix operator++ for msvc

* fix

* fix

* remove unused code

* lower cost of hpack table construction

* fix refcounting

* review feedback

* fixes

* fixes

* support multivalued traits

* Automated change: Fix sanity tests

* fix

* clearer clear

* appeasing 4.9

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2022-01-07 09:42:27 -08:00
Craig Tiller 220cf641fa
Reland slice metadata conversion (#28210)
* Fix status code for resource exhaustion

* Revert "Revert "Move a bunch of slice typed metadata to new system (#28107)" (#28208)"

This reverts commit 7717587063.

* fix test
2021-11-29 13:38:40 -08:00
Craig Tiller 7717587063
Revert "Move a bunch of slice typed metadata to new system (#28107)" (#28208)
This reverts commit 4d432aefc1.
2021-11-24 15:41:36 -08:00
Craig Tiller 4d432aefc1
Move a bunch of slice typed metadata to new system (#28107)
* Eliminate most of grpc_message metadata handling

* Eliminate most of host metadata handling

* Remove more callouts without fixing code

* fiiixes

* typo

* Automated change: Fix sanity tests

* try-shrink

* Automated change: Fix sanity tests

* size tweaks

* less tricks

* deunique

* commonize

* commonize

* Automated change: Fix sanity tests

* size tuning, fixes

* Automated change: Fix sanity tests

* fix

* size tuning, fixes

* remove constexpr

* fix

* reuse code

* fix

* tweak code

* more tweaks

* tell no lies

* fixes

* fixes

* Automated change: Fix sanity tests

* fix

* fix

* fix

* fix

* fix?

* fix binder

* fix

* fix

* fixes

* Automated change: Fix sanity tests

* fix

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
2021-11-24 11:42:37 -08:00
Craig Tiller 0794973bbb
Reland user-agent metadata work (#28109)
* Revert "Revert "user-agent metadata trait, also: grpc_core::Slice is born (#27770)" (#28108)"

This reverts commit 89d08dad9d.

* will it blend

* will it blend

* will it blend

* lcnagfmt

* sanity

* will it blend

* sleep @ end

* will it blend

* Revert "sleep @ end"

This reverts commit d6bca8ed3d.

* review feedback

* review feedback
2021-11-17 19:04:29 -08:00
Jan Tattermusch 89d08dad9d
Revert "user-agent metadata trait, also: grpc_core::Slice is born (#27770)" (#28108)
This reverts commit 7a40f50cb3.
2021-11-16 06:52:52 -08:00