Implements https://github.com/grpc/proposal/pull/429
Currently, the behavior of `GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA` blocks more pings from being sent if we are sending too many pings without a data/header frame being sent as well. The original intention of this channel arg was to play nice with proxies that have restrictive settings when it comes to pings. This causes awkwardness when configuring keepalive pings for transports with long lived streams with sparse communication. In such a case, gRPC Core would stop sending keepalive pings since no data/header frame is being sent, resulting in a situation where we are unable to detect whether the transport is alive or not.
This change adds an experiment "max_pings_wo_data_throttle" to modify the behavior of `GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA` to throttle pings to a frequency of 1 minute instead of completely blocking pings when too many pings have been sent without data/header frames.
Closes#36374
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36374 from yashykt:ThrottlePings b5bd42a019
PiperOrigin-RevId: 638110795
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Closes#36509
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36509 from ctiller:transport-refs-3 2771a2b0e1
PiperOrigin-RevId: 633240374
[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#36575
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36575 from tanvi-jagtap:test_core_e2e_all ef6f23db8c
PiperOrigin-RevId: 632669009
Notes:
* The special `on_write` callback was never used, all slices were discarded. I removed that functionality.
Closes#36513
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36513 from drfloob:rewrite-mock-endpoint-to-ee e45a964633
PiperOrigin-RevId: 631187792
Also begin to eliminate `CallContext` in favor of just exposing `Call` - ultimately there's not really a need to introduce two types here, so I'm going to wind that idea back over a few PRs.
I've avoided making this an experiment as the changes required were quite structural.
Closes#36477
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36477 from ctiller:deadline-time 9856eeebe6
PiperOrigin-RevId: 629599230
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Closes#36389
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36389 from sastryvp:fuzzer_331840428 818112d75d
PiperOrigin-RevId: 629331008
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
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#36399
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36399 from tanvi-jagtap:tjagtap_core_end2end aeda9ecdea
PiperOrigin-RevId: 627626105
[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#36407
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36407 from tanvi-jagtap:tjagtap_end2end_fixtures e98c97245b
PiperOrigin-RevId: 626522240
Make `CallSpineInterface` describe the operations that we need, and return `Promise<>` types -- these are `std::function` wrappers and involve an allocation.
This ought to be acceptable for the use cases we'll be using `CallSpineInterface` for in the short term - and doing this lets us bring the rest of the v3 stack in concurrently with the "v2.5" stack -- the v2 stack using some of the v3 interfaces I put together to unblock chaotic-good.
Later we'll remove this scaffolding and eventually `CallSpineInterface` in its entirety, in preference to something wrapped around `CallFilters`.
Closes#36321
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36321 from ctiller:cally-2 7f608c36d3
PiperOrigin-RevId: 625096226
PanCakes to the rescue!
We noticed that our 'sanity' test was going to fail, but we think we can fix that automatically, so we put together this PR to do just that!
If you'd like to opt-out of these PR's, add yourself to NO_AUTOFIX_USERS in .github/workflows/pr-auto-fix.yaml
Closes#36309
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36309 from grpc:create-pull-request/patch-4feb98e f76f2493ab
PiperOrigin-RevId: 623277186
The build layout I chose in https://github.com/grpc/grpc/pull/36198 causes problems for Google's internal build systems. This change fixes things so that link order is correct - unfortunately at the cost of adding 90-some C++ compilations.
I've made a new .cc file that is as minimal as possible to reduce the cost of those compilations down as far as I can.
PiperOrigin-RevId: 623012695
As per https://github.com/grpc/proposal/pull/419, the experimental optional label `grpc.lb.locality` is added to the follow per-call metrics -
* grpc.client.attempt.duration
* grpc.client.attempt.sent_total_compressed_message_size
* grpc.client.attempt.rcvd_total_compressed_message_size
Closes#36254
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36254 from yashykt:OTelOptionalLabelsOnPerCall c5390c99a1
PiperOrigin-RevId: 622973959
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Closes#36070
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36070 from yijiem:grpc-metrics 72653727b1
PiperOrigin-RevId: 618529035
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Closes#36131
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36131 from yijiem:no-logging f3f638176f
PiperOrigin-RevId: 617630514
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Closes#36100
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36100 from yijiem:no-logging 970a640475
PiperOrigin-RevId: 615299752
This adds the following new targets:
- `channel`: A virtual interface for a channel.
- `legacy_channel`: A channel implementation that supports the filter stack and call v2.
- `channel_create`: A standalone function to create a channel.
- `server_interface`: A base class with a few accessor methods used in surface/call.cc.
- `server`: The actual server implementation.
- `api_trace`, `call_tracer`, `server_call_tracer_filter`, `call_finalization`: These were split out of `grpc_base` to avoid various dependency problems.
- `compression`: This is a combination of the previously existing `compression_internal` target and the compression code that was part of `grpc_base`.
Closes#35924
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35924 from markdroth:channel_interface 94a7fffddb
PiperOrigin-RevId: 612512438
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Closes#35573
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35573 from yijiem:enable-oss-ee-dns-posix-real 1df91d1d84
PiperOrigin-RevId: 609193851
This new directory combines code from the following locations:
- src/core/ext/filters/client_channel/resolver
- src/core/lib/resolver
Closes#35804
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35804 from markdroth:client_channel_resolver_reorg2 30660e6b00
PiperOrigin-RevId: 604665835
This new directory combines code from the following locations:
- src/core/ext/filters/client_channel/lb_policy
- src/core/lib/load_balancing
Closes#35786
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35786 from markdroth:client_channel_resolver_reorg 98554efb98
PiperOrigin-RevId: 604351832
This PR:
* adds FD extensions to the public headers
* Adds the query extension interface to EventEngine, Listener, and Endpoint, via a new `Extensible` interface
* Refactors the PosixEventEngine to use the Extensible interface.
Closes#35648
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35648 from drfloob:posix-ee-query-interface 7cae28e0b3
PiperOrigin-RevId: 601794970