Allow `CallFilters` to have more than one `CallFilters::Stack` attached to it, and execute all of the stacks when executing.
This permits a trivial implementation of `PassThrough` for `Interceptor`, and allows elimination of an inserted `ForwardCall` if an interception chain terminates in a `CallDestination` preceded by one or more filters.
Built on #36984 which should be merged first.
Closes#36985
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36985 from ctiller:step-by-step 07b14c9d91
PiperOrigin-RevId: 646586483
When using gRPC client alongside kopf (Python framework for writing K8s operators), the existing code fails because of 9243c8fbb2/kopf/_cogs/aiokits/aiotoggles.py (L40). This is because the existing `if candidate:` condition invokes the `__bool__` magic method of the `Toggle` class from kopf.
Closes#36837
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36837 from mboutet:patch-1 831152ca47
PiperOrigin-RevId: 646539016
[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#37039
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37039 from tanvi-jagtap:large_file_01 d7705c0bf6
PiperOrigin-RevId: 646417700
[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#36942
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36942 from tanvi-jagtap:src_core_lb 524b45fef1
PiperOrigin-RevId: 646311061
Originally when I was implementing call-v3 I added async handling for server trailing metadata because it was symmetrical with all the other handling we had. Turns out that we really don't need this, and further it's probably harmful to our ability to reason about the stack - so I'm removing that capability.
Closes#36984
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36984 from ctiller:no-infallible-seq f3b3548685
PiperOrigin-RevId: 646146666
Updates to channel init registration ordering:
* Add ability to float filters towards the top of the stack or to sink them towards the bottom. This is a secondary hint to the explicit ordering constraints that we have. To avoid possible ambiguities we enforce that there can never be two tops/two bottoms available to add simultaneously (if this eventuality appears we simply require an explicit ordering between the two filters).
* Add the ability to skip some filters in the V2 stack (so we can start building V3 only filters)
Along the way:
* Add hashability to `UniqueTypeName`
* Remove `UniqueTypeName` copy constructor (this is just the default copy constructor anyway, and its presence started to confuse `clang-tidy`).
* Separate the dependency tracking and logging parts of channel_init.cc. This was necessary for my brain to be able to process how to implement the new ordering constraints. Happily, it also eliminates an O(n**2) loop in initialization!
Closes#36993
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36993 from ctiller:ordering-innit e9d08e7a81
PiperOrigin-RevId: 646144240
Creating a new PR in continuation to #36894 to fix post-submit errors. I've re-added the `from ._metadata import Metadata` statement to fix the post-submit error.
Closes#37022
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37022 from sreenithi:fix-issues/36613 beb5b5c63d
PiperOrigin-RevId: 646142324
[Gpr_To_Absl_Logging] Remove gpr_log_severity_string
This function is not getting used anymore gpr_log_severity_string
Closes#37013
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37013 from tanvi-jagtap:gpr_log_severity_string_remove 3346face4c
PiperOrigin-RevId: 645796077
When starting a call, we could delete the transport before acquiring the party lock for the call handler, leading to a use-after-free.
Closes#37019
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37019 from ctiller:chaotic-bug 58254aa19c
PiperOrigin-RevId: 645542043
Previously, metadata mutations were made by the picker directly, which meant that they would be applied even if the channel winds up discarding the pick due to the returned subchannel having been disconnected by the time the pick result is returned. This changes the API such that pickers return metadata mutations along with the pick result, so that the mutations won't get applied unless the pick result is actually used.
Closes#36968
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36968 from markdroth:lb_metadata_api 2765da6121
PiperOrigin-RevId: 645451869
[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#36979
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36979 from tanvi-jagtap:src_core_util a160d9d7ec
PiperOrigin-RevId: 645397740
[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#36883
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36883 from tanvi-jagtap:large_file_01 43eb4880cf
PiperOrigin-RevId: 645281490
Updated the type hint for return type of grpc.aio.ServicerContext.invocation_metadata() to Optional[MetadataType] instead of Optional[Metadata].
MetadataType is already defined to be a Sequence[MetadatumType] and hence the type hint will reflect the sequence being returned, hence solving the [user's reported issue](https://github.com/grpc/grpc/issues/36613)
Closes#36894
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36894 from sreenithi:fix-issues/36613 7d3a047309
PiperOrigin-RevId: 645276778
When building #36946 I noticed a bunch of places where `GetContext<>` was not inlined. This change forcibly inlines paths that we need to be, and additionally lowers the `CHECK` in `GetContext` to be a `DCHECK` as this comparison was using the bulk of the time in a very hot function in the stack.
Closes#36970
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36970 from ctiller:dcheckctx 28a779899d
PiperOrigin-RevId: 645202335
This commit implements `logger=` for GRPC module. It will allow us to inject a custom logger on the fly easily. Using `self.extend` inside this setter will help us deal with backward compatible for some custom Logger Module.
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Fixed#24084
cc @sampajano , @apolcyn and @alto-ruby TIA
re: https://github.com/grpc/grpc/pull/24072Closes#36989
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36989 from nvh0412:chore/add-logger-setter-for-GRPC-ruby-2 f5a91225e7
PiperOrigin-RevId: 645189146
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Closes#36901
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36901 from yijiem:ares-windows-fix 7c16a8a741
PiperOrigin-RevId: 645182157
These are substitutes for language features and never warrant a new function being created. Significantly boosts the benchmarks in #36946Closes#36981
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36981 from ctiller:seqqy 1a075be7e9
PiperOrigin-RevId: 645169296
…_serializer_dispatch
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Closes#36997
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36997 from yousukseung:work-serializer-dispatch c8976c4f02
PiperOrigin-RevId: 645153599
### Problem 1
Context :
gpr_log() internally calls gpr_log_message() .
gpr_log_message() may either call gpr_default_log() or a user provided logging function.
gpr_default_log() uses absl LOG. This is the default. Most users will log this way.
For the small percentage of users who have customized the logging function, gpr_log will log to custom this function.
Problem :
We have converted half the instances of gpr_log to absl LOG().
For users who use the defaults - there will be no issue.
For the users who use a customized logging function
1. All the absl LOGs will log to the absl log sink.
2. All the gpr_log statements will log via this user provided function.
This is in-consistent behaviour and will cause confusion and difficulty in debugging.
Solution:
All logs should go to the same sink.
So we decided to make gpr_set_log_function a no op in this release.
The function will be deleted in the next release.
https://github.com/grpc/proposal/pull/425
### Problem 2
Context :
gpr_should_log is used to avoid computing expensive stuff for logging if the log is not going to be visible.
Problem :
gpr_should_log was referencing the GRPC_VERBOSITY flag and values set by gpr_set_log_verbosity .
However, actual logging happens based on the absl settings.
This is incorrect. Because if the old settings are not honoured, they should not be checked and no decision in code should be made based on settings which are not going to get used.
Solution :
Given the above changes in Problem 1, since all custom logging is disabled, all logging from gRPC with honour the absl LOG settings. Hence we modified the gpr_should_log function to refer to absl settings.
### Problem 3
We still have the issue of php using a custom log sink. We will address this in a separate PR.
### Problem 4
Tests related to test/core/end2end/tests/no_logging.cc are broken . These will be fixed in another PR.
Closes#36961
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36961 from tanvi-jagtap:fix_gpr_should_log 70c3224af1
PiperOrigin-RevId: 645096418
[Gpr_To_Absl_Logging] Remove custom logger from php. Not supported anymore.
While I am writing a custom absl LogSink to fix the issue in the next Pull Request,
I wanted to know if not having this LogSink is a release blocker or not.
Closes#36962
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36962 from tanvi-jagtap:fix_php_logging 1374cbc838
PiperOrigin-RevId: 645056513
[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#36980
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36980 from tanvi-jagtap:src_core_lib_promise_filter 19ed6234f4
PiperOrigin-RevId: 645050090
Specifically:
- use `OrphanablePtr<>` for `grpc_endpoint`
- use `absl::AnyInvocable<>` instead of `grpc_closure`
- use `EventEngine::Run()` instead of `ExecCtx::Run()`
- use `SliceBuffer` instead of `grpc_slice_buffer`
- use `absl::Status` instead of `grpc_error_handle`
- use `absl::string_view` instead of `const char*` for handshaker names
Also pass acceptor via `HandshakerArgs` instead of as a separate parameter.
Also changed chttp2 and httpcli to use `OrphanablePtr<>` for the endpoint.
PiperOrigin-RevId: 644551906
This flag was being ignored in clang in Xcode 15 and below, but is now an error in Xcode 16 and above.
Closes#36904
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36904 from sergiocampama:master 2c9839376b
PiperOrigin-RevId: 644494816
Preparation for switching away from `grpc_channel_filter*` to identify channel filters.
Closes#36907
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36907 from ctiller:type-name e7ad4c67a2
PiperOrigin-RevId: 644483948
[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#36941
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36941 from tanvi-jagtap:src_core_xds 9ab8de800d
PiperOrigin-RevId: 644229971
I noticed that we were unconditionally checking the timer during the first time period. I've added a test to ensure that we no longer do, and improved the code to fix it.
Closes#36932
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36932 from ctiller:periodically c3b612a995
PiperOrigin-RevId: 644193802
We should only start a call if we're going to use that call (which means not if the call is already cancelled!)
Closes#36955
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36955 from ctiller:flakezzzz 2368338bf6
PiperOrigin-RevId: 644171653
These are helpers to make it slightly easier to spell some kinds of code... and should never ever generate a function body.
(that said, I've seen them do so... fixing now)
Closes#36951
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36951 from ctiller:construct 26725911d7
PiperOrigin-RevId: 644132869
Do not set `absl::MinLogLevel` if user does not set `GRPC_VERBOSITY`. Only set `absl::MinLogLevel` if the user has specified `GRPC_VERBOSITY`.
Background:
gRPC Core overrides the setting of `absl::MinLogLevel` based on the setting of `GRPC_VERBOSITY`.
`GRPC_VERBOSITY` defaults to the setting of `GPR_DEFAULT_LOG_VERBOSITY_STRING` if that env var is not set, resulting in the consequence that gRPC Core would override the setting of `absl::MinLogLevel` even if the user had previously modified it.
Note that even with this change, the minimum log severity that's printed remains at `ERROR` by default.
Closes#36931
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36931 from yashykt:ChangeDefaultGrpcVerbosity ee92404c35
PiperOrigin-RevId: 644127489
This provides better integration with our ecosystem, and allows more types to be automatically printed (yay tuples!).
Closes#36897
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36897 from ctiller:stringify da98d247e2
PiperOrigin-RevId: 644120732
Ensure arena accounting is working, and add a test that a constant call size results in a constant call size estimate.
Closes#36933
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36933 from ctiller:arena-accounts 116c805633
PiperOrigin-RevId: 644102412
This change brings up the direct channel, and inproc promise based transports.
This work exposed a bug that was very difficult to fix with the current call_filters.cc implementation, so I've substantially revamped that - instead of having a pipe-like object per call element, we now have a big ol' combined state machine for the entire call. It's a touch more code, but substantially easier to reason about individual cases, so I much prefer this form (it's also a slight memory improvement: 12 bytes total to track call state, and 10 of those are wakeup bitmasks...).
Closes#36734
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36734 from ctiller:transport-refs-9 3e2a80b40d
PiperOrigin-RevId: 644034593
[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#36939
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36939 from tanvi-jagtap:src_core_client_channel 2dc26fe18a
PiperOrigin-RevId: 643966218
[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#36884
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36884 from tanvi-jagtap:large_file_02 23fdd777ce
PiperOrigin-RevId: 643594188
Craig Tiller
Maxence Boutet
Tanvi Jagtap
Mark D. Roth
Sreenithi Sridharan
AJ Heller
apolcyn
Hoa Nguyen
Yijie Ma
Yousuk Seung
Richard Belleville
Sergio Campamá
Yash Tibrewal