This is already present in the grpc python sync stack and has been
missing from aio stack.
CC @gnossen
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Design is documented at
[go/windows-dns-resolver-issue](http://go/windows-dns-resolver-issue)
(note that the design doc is slightly outdated regarding the shared
ownership model of the virtual socket that was implemented in
13bd2b404e).
Passed `//test/cpp/naming:resolver_component_tests_runner_invoker` and
`//test/cpp/naming:cancel_ares_query_test`:
```
C:\Users\yijiem\projects\grpc>bazel --output_base=C:\bazel6 test --dynamic_mode=off --verbose_failures --test_env=GRPC_EXPERIMENTS=event_engine_dns --test_env=GRPC_VERBOSITY=debug --test_env=GRPC_TRACE=cares_resolver --enable_runfiles=yes --nocache_test_results //test/cpp/naming:resolver_component_tests_runner_invoker
INFO: Analyzed target //test/cpp/naming:resolver_component_tests_runner_invoker (1 packages loaded, 8 targets configured).
INFO: Found 1 test target...
INFO: From Compiling src/core/lib/event_engine/windows/windows_engine.cc:
C:\bazel6\execroot\com_github_grpc_grpc\src/core/lib/channel/channel_args.h(287): warning C4312: 'reinterpret_cast': conversion from 'int' to 'void *' of greater size
Target //test/cpp/naming:resolver_component_tests_runner_invoker up-to-date:
bazel-bin/test/cpp/naming/resolver_component_tests_runner_invoker.exe
INFO: Elapsed time: 230.374s, Critical Path: 228.54s
INFO: 9 processes: 2 internal, 7 local.
INFO: Build completed successfully, 9 total actions
//test/cpp/naming:resolver_component_tests_runner_invoker PASSED in 221.2s
Executed 1 out of 1 test: 1 test passes.
```
```
C:\Users\yijiem\projects\grpc>bazel --output_base=C:\bazel6 test --dynamic_mode=off --verbose_failures --test_env=GRPC_EXPERIMENTS=event_engine_dns --test_env=GRPC_VERBOSITY=debug --test_env=GRPC_TRACE=cares_resolver --enable_runfiles=yes --nocache_test_results //test/cpp/naming:cancel_ares_query_test
INFO: Analyzed target //test/cpp/naming:cancel_ares_query_test (0 packages loaded, 0 targets configured).
INFO: Found 1 test target...
Target //test/cpp/naming:cancel_ares_query_test up-to-date:
bazel-bin/test/cpp/naming/cancel_ares_query_test.exe
INFO: Elapsed time: 49.656s, Critical Path: 48.00s
INFO: 6 processes: 2 internal, 4 local.
INFO: Build completed successfully, 6 total actions
//test/cpp/naming:cancel_ares_query_test PASSED in 43.0s
Executed 1 out of 1 test: 1 test passes.
```
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datetime.utcnow() raises a deprecation warning on Python 3.12, so this
change prevents that deprecation warning while also switching to a
monotonic clock for calculating RPC latency
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cc @XuanWang-Amos
This adds the directory reloader implementation of the CrlProvider. This
will periodically reload CRL files in a directory per [gRFC
A69](https://github.com/grpc/proposal/pull/382)
Included in this is the following:
* A public API to create the `DirectoryReloaderCrlProvider`
* A basic directory interface in gprpp and platform specific impls for
getting the list of files in a directory (unfortunately prior C++17,
there is no std::filesystem, so we have to have platform specific impls)
* The implementation of `DirectoryReloaderCrlProvider` takes an
event_engine and a directory interface. This allows us to test using the
fuzzing event engine for time mocking, and to implement a test directory
interface so we avoid having to make temporary directories and files in
the tests. This is notably not in `include`, and the
`CreateDirectoryReloaderCrlProvider` is the only way to construct one
from the public API, so we don't expose the event engine and directory
details to the user.
---------
Co-authored-by: gtcooke94 <gtcooke94@users.noreply.github.com>
Fix: https://github.com/grpc/grpc/issues/34298
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Reverts grpc/grpc#34667
The change was reverted because it failed to import to g3, after some
changes, now it's safe to reapply those changes.
Tested by importing this PR internally, it passed presubmit:
cl/573836270
Fix: https://github.com/grpc/grpc/issues/34672
With some recent changes in core, now `grpc_ssl_credentials_create` is
guarded by `gpr_once_init`. In our current implementation, The thread
got `gpr_once_init` lock might require GIL lock during the execution of
`grpc_ssl_credentials_create`, which might cause a deadlock if another
thread is holding GIL lock and waiting for `gpr_once_init` lock.
This change adds `with nogil` to calls to native function
`grpc_ssl_credentials_create` to make sure GIL is released before
calling `grpc_ssl_credentials_create`.
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Ditch the old priority scheme for ordering filters, instead explicitly
mark up before/after constraints.
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
The basic APIs for the CRL Reloading features.
This adds external types to represent CRL Providers, CRLs, and
CertificateInfo.
Internally we will use `CrlImpl` - this layer is needed to hide OpenSSL
details from the user.
GRFC - https://github.com/grpc/proposal/pull/382
Things Done
* Add external API for `CrlProvider`, `Crl`, `CertInfo` (`CertInfo` is
used during CRL lookup rather than passing the entire certificate).
* Add code paths in `ssl_transport_security` to utilize CRL providers
* Add `StaticCrlProvider`
* Refactor `crl_ssl_transport_security_test.cc` so it is more extensible
and can be used with providers
Instead of fixing a target size for writes, try to adapt it a little to
observed bandwidth.
The initial algorithm tries to get large writes within 100-1000ms
maximum delay - this range probably wants to be tuned, but let's see.
The hope here is that on slow connections we can not back buffer so much
and so when we need to send a ping-ack it's possible without great
delay.
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We're not running any test at all from `run_test.py` because of the way
we filter test cases:
1d136fd05f/src/python/grpcio_tests/tests/_runner.py (L137)
* `testcase_filter` is read from a json file (like [this
one](https://github.com/grpc/grpc/blob/master/src/python/grpcio_tests/tests/tests.json))
and test name is similar to `unit._metadata_test.MetadataTest`.
* `case.id()` is loaded by `iterate_suite_cases` and will always have a
prefix of `tests`, an example of case id will be:
`tests.unit._metadata_test.MetadataTest`.
Because of the prefix, none of the test case will be matched thus we're
not running any of the tests.
This PR fixes the prefix issue and all the regressions comes from not
running tests using `run_test.py`.
#### Other Changes
* Added couple of `__init__.py` file since it's required to load tests.
* Added `py_status_code` to Aio rpc state.
* `code()` is expecting to return a python gRPC code but current
`status_code` is a Cython code.
* Added `libsqlite3-dev` to our dockers because it's required for
`coverage==7.2.0`.
* Renamed csds and admin test because test case file have to end with
`_test`:
1d136fd05f/src/python/grpcio_tests/tests/_loader.py (L26)
* Removed gevent test from `run_test.py` because Bazel gevent tests
should be good enough for us.
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Experiment 1: On RST_STREAM: reduce MAX_CONCURRENT_STREAMS for one round
trip.
Experiment 2: If a settings frame is outstanding with a lower
MAX_CONCURRENT_STREAMS than is configured, and we receive a new incoming
stream that would exceed the new cap, randomly reject it.
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
Isolate ping callback tracking to its own file.
Also takes the opportunity to simplify keepalive code by applying the
ping timeout to all pings.
Adds an experiment to allow multiple pings outstanding too (this was
originally an accidental behavior change of the work, but one that I
think may be useful going forward).
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
More changes as part of the dualstack design:
- Change resolver and LB policy APIs to support multiple addresses per
endpoint. Specifically, replace `ServerAddress` with
`EndpointAddresses`, which encodes more than one address. Per-address
channel args are retained at the same level, so they are now
per-endpoint. For now, `EndpointAddress` provides a single-address ctor
and a single-address accessor for backward compatibility, so
`ServerAdress` is an alias for `EndpointAddresses`; eventually, this
alias and the single-address methods will be removed.
- Add an `EndpointAddressSet` class, which represents an unordered set
of addresses to be used as a map key. This will be used in a number of
LB policies that need to store per-endpoint state.
- Change the LB policy API's `ChannelControlHelper::CreateSubchannel()`
method to take the address and per-endpoint channel args as separate
parameters, so that we don't need to construct a legacy `ServerAddress`
object as we create a new subchannel for each address in the endpoint.
- Change pick_first to flatten the address list.
- Change ring_hash to use `EndpointAddressSet` as the key for its
endpoint map, and to use the first address of the endpoint as the hash
key.
- Change WRR to use `EndpointAddressSet` as the key for its endpoint
weight map.
Note that support for multiple addresses per endpoint is guarded in RR
by the existing `round_robin_delegate_to_pick_fist` experiment and in
WRR by the existing `wrr_delegate_to_pick_first` experiment.
This PR does *not* include support for multiple addresses per endpoint
for the outlier_detection or xds_override_host LB policies; those will
come in subsequent PRs.
Fix: https://github.com/grpc/grpc/issues/33890
In case of abort, currently we don't log anything, this change added an
`AbortError` as the default error for abort, if any other error
happened, we'll log the error so user will be aware of the other error.
Related gRFC: https://github.com/grpc/proposal/pull/388
### Testing
* Tested locally, after this change, any non-AbortError will be logged,
sample log:
```
ERROR:grpc._server:Exception happened while abort: Other exception happened!
Traceback (most recent call last):
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/9/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests/unit/_abort_test.native.runfiles/com_github_grpc_grpc/src/python/grpcio/grpc/_server.py", line 553, in _call_behavior
response_or_iterator = behavior(argument, context)
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/9/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests/unit/_abort_test.native.runfiles/com_github_grpc_grpc/src/python/grpcio_tests/tests/unit/_abort_test.py", line 95, in abort_with_status_unary_unary_raise_additional_exception
raise Exception("Other exception happened!")
Exception: Other exception happened!
```
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Support Python 3.12.
### Testing
* Passed all Distribution Tests.
* Also tested locally by installing 3.12 artifact.
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This has been stable for a bit, everywhere that the EventEngine is
enabled. Going forward, I think the event_engine_{client|listener}
experiments can probably be used to regulate thread-pool-specific
issues.
---------
Co-authored-by: drfloob <drfloob@users.noreply.github.com>
Most recent attempt was #34320, reverted in #34335.
The first commit here is a pure revert. The second commit fixes the
outlier_detection unit test to pass both with and without the
experiment.
This is a follow up to https://github.com/grpc/grpc/pull/34103
That pull request explicitly aimed to introduce shared library builds
for Windows (DLLs) while effecting zero material change to the existing
build pipelines. That aspiration meant that the grpc++_unsecure library
had to be effectively excluded from the build (because including it
would have also included a dependency on openssl, which makes no sense
given its purpose)
This PR addresses that by:
* Extracting the single function in grpc_tls_certificate_provider with a
dependency on openssl into a separate compilation unit
* Including that new .cc file into the grpc library
* Including grpc_tls_certificate_provider and one other source file into
grpc_unsecure for the Windows DLL build only.
* Reinstating the grpc++_unsecure library which is a prerequisite for
many tests.
* Regenerating all files affected by the changes in Bazel BUILD that
introduce the new source file.
This change does affect the operation of other build pipelines - I have
confirmed that it does not break the Linux Bazel build.
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* Remove `fetch_build_eggs` since they're deprecated and those deps will
be installed by `setuptools`.
* Fix indentation on `run_test` so we don't miss `native` test cases.
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### Background
* `distutils` is deprecated with removal planned for Python 3.12
([pep-0632](https://peps.python.org/pep-0632/)), thus we're trying to
replace all distutils usage with setuptools.
* Please note that user still have access to `distutils` if setuptools
is installed and `SETUPTOOLS_USE_DISTUTILS` is set to `local` (The
default in setuptools, more details can be found [in this
discussion](https://github.com/pypa/setuptools/issues/2806#issuecomment-1193336591)).
### How we decide the replacement
* We're following setuptools [Porting from Distutils
guide](https://setuptools.pypa.io/en/latest/deprecated/distutils-legacy.html#porting-from-distutils)
when deciding the replacement.
#### Replacement not mentioned in the guide
* Replaced `distutils.utils.get_platform()` with
`sysconfig.get_platform()`.
* Based on the [answer
here](https://stackoverflow.com/questions/71664875/what-is-the-replacement-for-distutils-util-get-platform),
and also checked the document that `sysconfig.get_platform()` is good
enough for our use cases.
* Replaced `DistutilsOptionError` with `OptionError`.
* `setuptools.error` is exporting it as `OptionError` [in the
code](https://github.com/pypa/setuptools/blob/v59.6.0/setuptools/errors.py).
* Upgrade `setuptools` in `test_packages.sh` and changed the version
ping to `59.6.0` in `build_artifact_python.bat`.
* `distutils.errors.*` is not fully re-exported until `59.0.0` (See
[this issue](https://github.com/pypa/setuptools/issues/2698) for more
details).
### Changes not included in this PR
* We're patching some compiler related functions provided by distutils
in our code
([example](ee4efc31c1/src/python/grpcio/_spawn_patch.py (L30))),
but since `setuptools` doesn't have similar interface (See [this issue
for more details](https://github.com/pypa/setuptools/issues/2806)), we
don't have a clear path to replace them yet.
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* Before change:
* Test hangs
[here](https://github.com/grpc/grpc/blob/master/src/python/grpcio/grpc/_cython/_cygrpc/aio/call.pyx.pxi#L250)(Called
from
[here](3b23fe62ca/src/python/grpcio/grpc/aio/_call.py (L261)))
waiting for status.
* After change, we'll manually set status. We're also printing traceback
like the following:
```
Traceback (most recent call last):
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/1576/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests_aio/unit/metadata_test.runfiles/com_github_grpc_grpc/src/python/grpcio/grpc/aio/_call.py", line 492, in _writ
e
await self._cython_call.send_serialized_message(serialized_request)
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/call.pyx.pxi", line 379, in send_serialized_message
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/callback_common.pyx.pxi", line 163, in _send_message
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/callback_common.pyx.pxi", line 160, in _cython.cygrpc._send_message
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/callback_common.pyx.pxi", line 106, in execute_batch
_cython.cygrpc.ExecuteBatchError: Failed grpc_call_start_batch: 11 with grpc_call_error value: 'GRPC_CALL_ERROR_INVALID_MESSAGE'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/1576/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests_aio/unit/metadata_test.runfiles/com_github_grpc_grpc/src/python/grpcio_tests/tests_aio/unit/_test_base.py", l
ine 31, in wrapper
return loop.run_until_complete(f(*args, **kwargs))
File "/usr/local/google/home/xuanwn/.pyenv/versions/3.10.9/lib/python3.10/asyncio/base_events.py", line 649, in run_until_complete
return future.result()
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/1576/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests_aio/unit/metadata_test.runfiles/com_github_grpc_grpc/src/python/grpcio_tests/tests_aio/unit/metadata_test.py"
, line 310, in test_stream_unary
await call.write(_REQUEST)
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/1576/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests_aio/unit/metadata_test.runfiles/com_github_grpc_grpc/src/python/grpcio/grpc/aio/_call.py", line 517, in write
await self._write(request)
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/1576/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests_aio/unit/metadata_test.runfiles/com_github_grpc_grpc/src/python/grpcio/grpc/aio/_call.py", line 495, in _writ
e
await self._raise_for_status()
File "/usr/local/google/home/xuanwn/.cache/bazel/_bazel_xuanwn/da3828576aa39e99a5c826cc2e2e22fb/sandbox/linux-sandbox/1576/execroot/com_github_grpc_grpc/bazel-out/k8-fastbuild/bin/src/python/grpcio_tests/tests_aio/unit/metadata_test.runfiles/com_github_grpc_grpc/src/python/grpcio/grpc/aio/_call.py", line 263, in _rais
e_for_status
raise _create_rpc_error(
grpc.aio._call.AioRpcError: <AioRpcError of RPC that terminated with:
status = StatusCode.INTERNAL
details = "Internal error from Core"
debug_error_string = "Failed grpc_call_start_batch: 11 with grpc_call_error value: 'GRPC_CALL_ERROR_INVALID_MESSAGE'"
>
```
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Proposed alternative to https://github.com/grpc/grpc/pull/34024.
This version has a simpler, faster busy-count implementation based on a
sharded set of atomic counts: fast increment/decrement operations,
relatively slower summation of total counts (which need to happen much
less frequently).
- Extract build metadata for some external dependencies from bazel
build. This is achieved by letting extract_metadata_from_bazel_xml.py
analyze some external libraries and sources. The logic is basically the
same as for internal libraries, I only needed to teach
extract_metadata_from_bazel_xml.py which external libraries it is
allowed to analyze.
* currently, the list of source files is automatically determined for
`z`, `upb`, `re2` and `gtest` dependencies (at least for the case where
we're building in "embedded" mode - e.g. mostly native extensions for
python, php, ruby etc. - cmake has the ability to replace some of these
dependencies by actual cmake dependency.)
- Eliminate the need for manually written gen_build_yaml.py for some
dependencies.
- Make the info on target dependencies in build_autogenerated.yaml more
accurate and complete. Until now, there were some depdendencies that
were allowed to show up in build_autogenerated.yaml and some that were
being skipped. This made generating the CMakeLists.txt and Makefile
quite confusing (since some dependencies are being explicitly mentioned
and some had to be assumed by the build system).
- Overhaul the Makefile
* the Makefile is currently only used internally (e.g. for ruby and PHP
builds)
* until now, the makefile wasn't really using the info about which
targets depend on what libraries, but it was effectively hardcoding the
depedendency data (by magically "knowing" what is the list of all the
stuff that e.g. "grpc" depends on).
* After the overhaul, the Makefile.template now actually looks at the
library dependencies and uses them when generating the makefile. This
gives a more correct and easier to maintain makefile.
* since csharp is no longer on the master branch, remove all mentions of
"csharp" targets in the Makefile.
Other notable changes:
- make extract_metadata_from_bazel_xml.py capable of resolving workspace
bind() rules (so that it knows the real name of the target that is
referred to as e.g. `//external:xyz`)
TODO:
- [DONE] ~~pkgconfig C++ distribtest~~
- [DONE} ~~update third_party/README to reflect changes in how some deps
get updated now.~~
Planned followups:
- cleanup naming of some targets in build metadata and buildsystem
templates: libssl vs boringssl, ares vs cares etc.
- further cleanup of Makefile
- further cleanup of CMakeLists.txt
- remote the need from manually hardcoding extra metadata for targets in
build_autogenerated.yaml. Either add logic that determines the
properties of targets automatically, or use metadata from bazel BUILD.
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As per the title.
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@donnadionne
Intercepted call class expect a timeout as parameters but a deadline is
provided instead. Only the UnaryUnary class is correctly created with a
timeout while the others remains with the deadlines. This commit fix the
instanciation of the other ones.
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Implement DNS using dns service for iOS.
Current limitation:
1. Using a custom name server is not supported.
2. Only supports `LookupHostname`. `LookupSRV` and `LookupTXT` are not
implemented.
3. Not tested with single stack (ipv4 or ipv6) environment
4. ~Not tested with multiple ip records per stack~ manually tested with
wsj.com
5. Not tested with multiple interface environment
Refactored OpenCensus context propagation flow, now propagation happens
for each call and context will be automatically propagated from gRPC
server to gRPC client.
We're using `execution_context` in OpenCensus since the context is
related to OpenCensus and it helps wrap `contextVar` for us.
### Testing
* Added a new Bazel test case for context propagation.
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Fix: #33643.
This change adds `__reduce__` to `AioRpcError` to allow pickle.
### Testing
Added bazel unit test, without this change, test will fail with error:
```
TypeError: AioRpcError.__init__() missing 3 required positional arguments: 'code', 'initial_metadata', and 'trailing_metadata'
```
Why: Cleanup for chttp2_transport ahead of promise conversion - lots of
logic has become interleaved throughout chttp2, so some effort to
isolate logic out is warranted ahead of that conversion.
What: Split configuration and policy tracking for each of ping rate
throttling and abuse detection into their own modules. Add tests for
them.
Incidentally: Split channel args into their own header so that we can
split the policy stuff into separate build targets.
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
This PR implements a c-ares based DNS resolver for EventEngine with the
reference from the original
[grpc_ares_wrapper.h](../blob/master/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h).
The PosixEventEngine DNSResolver is implemented on top of that. Tests
which use the client channel resolver API
([resolver.h](../blob/master/src/core/lib/resolver/resolver.h#L54)) are
ported, namely the
[resolver_component_test.cc](../blob/master/test/cpp/naming/resolver_component_test.cc)
and the
[cancel_ares_query_test.cc](../blob/master/test/cpp/naming/cancel_ares_query_test.cc).
The WindowsEventEngine DNSResolver will use the same EventEngine's
grpc_ares_wrapper and will be worked on next.
The
[resolve_address_test.cc](https://github.com/grpc/grpc/blob/master/test/core/iomgr/resolve_address_test.cc)
which uses the iomgr
[DNSResolver](../blob/master/src/core/lib/iomgr/resolve_address.h#L44)
API has been ported to EventEngine's dns_test.cc. That leaves only 2
tests which use iomgr's API, notably the
[dns_resolver_cooldown_test.cc](../blob/master/test/core/client_channel/resolvers/dns_resolver_cooldown_test.cc)
and the
[goaway_server_test.cc](../blob/master/test/core/end2end/goaway_server_test.cc)
which probably need to be restructured to use EventEngine DNSResolver
(for one thing they override the original grpc_ares_wrapper's free
functions). I will try to tackle these in the next step.
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This reverts the following PRs: #32692#33087#33093#33427#33568
These changes seem to have introduced some flaky crashes. Reverting
while I investigate.
In preparation for implementing the promise based version, separate out
the legacy call data from the filter.
There are two commits here, each representing one phase of this code
movement:
66676d398c moves `class RetryFilter` into
the header and the vtable name into that class, as this will be shared
code between the implementations
4c84f115ad then moves `class
RetryFilter::CallData` into `class RetryFilterLegacyCallData`, and moves
*that* into its own file
Doing so makes me less confused as to what I'm editing going forward.
No functionality should be affected.
---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
More work on the dualstack backend design:
- Change round_robin to delegate to pick_first instead of creating
subchannels directly.
- Change pick_first such that when it is the child of a petiole policy,
it will unconditionally start a health watch.
- Change the client-side health checking code such that if client-side
health checking is not enabled, it will return the subchannel's raw
connectivity state.
- As part of this, we introduce a new endpoint_list library to be used
by petiole policies, which is intended to replace the existing
subchannel_list library. The only policy that will still directly
interact with subchannels is pick_first, so the relevant parts of the
subchannel_list functionality have been copied directly into that
policy. The subchannel_list library will be removed after all petiole
policies are updated to delegate to pick_first.
The address attribute interface was intended to provide a mechanism to
pass attributes separately from channel args, for values that do not
affect subchannel behavior and therefore do not need to be present in
the subchannel key, which does include channel args. However, the
mechanism as currently designed is fairly clunky and is probably not the
direction we will want to go in the long term.
Eventually, we will want some mechanism for registering channel args,
which would provide a cleaner way to indicate that a given channel arg
should not be used in the subchannel key, so that we don't need a
completely different mechanism. For now, this PR is just doing an
interim step, which is to establish a special channel arg key prefix to
indicate that an arg is not needed in the subchannel key.
- Switched from yapf to black
- Reconfigure isort for black
- Resolve black/pylint idiosyncrasies
Note: I used `--experimental-string-processing` because black was
producing "implicit string concatenation", similar to what described
here: https://github.com/psf/black/issues/1837. While currently this
feature is experimental, it will be enabled by default:
https://github.com/psf/black/issues/2188. After running black with the
new string processing so that the generated code merges these `"hello" "
world"` strings concatenations, then I removed
`--experimental-string-processing` for stability, and regenerated the
code again.
To the reviewer: don't even try to open "Files Changed" tab 😄 It's
better to review commit-by-commit, and ignore `run black and isort`.
Revert "Revert "[core] Add support for vsock transport"
(https://github.com/grpc/grpc/pull/33276)"
This reverts commit
c5ade3011a.
And fix the issue which broke the python build.
@markdroth @drfloob please review this PR. Thank you very much.
---------
Co-authored-by: AJ Heller <hork@google.com>
This is a hack to get around an issue on Apple devices caused by the
PosixEventEngine's `poll` poller not supporting fork. This PR disables
the EventEngine poller entirely in Python builds. It will therefore
prevent the release of the EventEngine generally, and prevent any
testing of EventEngine integration with gRPC Python, until the `poll`
poller is fixed.
This is another attempt to add support for vsock in grpc since previous
PRs(#24551, #21745) all closed without merging.
The VSOCK address family facilitates communication between
virtual machines and the host they are running on.
This patch will introduce new scheme: [vsock:cid:port] to
support VSOCK address family.
Fixes#32738.
---------
Signed-off-by: Yadong Qi <yadong.qi@intel.com>
Co-authored-by: AJ Heller <hork@google.com>
Co-authored-by: YadongQi <YadongQi@users.noreply.github.com>
Most of these data structures need to scale a bit like per-cpu, but not
entirely. We can have more than one cpu hit the same instance in most
cases, and probably want to cap out before the hundreds of shards some
platforms have.
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---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
This test mode tries to create threads wherever it legally can to
maximize the chances of TSAN finding errors in our codebase.
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The logger uses `absl::FPrintF` to write to stdout. After reading a
number of sources online, I got the impression that `std::fwrite` which
is used by `absl::FPrintF` is atomic so there is no locking required
here.
---------
Co-authored-by: rockspore <rockspore@users.noreply.github.com>
With these, it is actually possible to have typed client stubs where the
return type is correctly inferred.
It's only for the non-streaming calls, because there is
`RequestIterableType` for the streaming ones (but it's just Any with
extra steps and would require much more work).
---------
Co-authored-by: Xuan Wang <xuanwn@google.com>
This PR implements a work-stealing thread pool for use inside
EventEngine implementations. Because of historical risks here, I've
guarded the new implementation behind an experiment flag:
`GRPC_EXPERIMENTS=work_stealing`. Current default behavior is the
original thread pool implementation.
Benchmarks look very promising:
```
bazel test \
--test_timeout=300 \
--config=opt -c opt \
--test_output=streamed \
--test_arg='--benchmark_format=csv' \
--test_arg='--benchmark_min_time=0.15' \
--test_arg='--benchmark_filter=_FanOut' \
--test_arg='--benchmark_repetitions=15' \
--test_arg='--benchmark_report_aggregates_only=true' \
test/cpp/microbenchmarks:bm_thread_pool
```
2023-05-04: `bm_thread_pool` benchmark results on my local machine (64
core ThreadRipper PRO 3995WX, 256GB memory), comparing this PR to
master:
2023-05-04: `bm_thread_pool` benchmark results in the Linux RBE
environment (unsure of machine configuration, likely small), comparing
this PR to master.
---------
Co-authored-by: drfloob <drfloob@users.noreply.github.com>
Reverts grpc/grpc#32924. This breaks the build again, unfortunately.
From `test/core/event_engine/cf:cf_engine_test`:
```
error: module .../grpc/test/core/event_engine/cf:cf_engine_test does not depend on a module exporting 'grpc/support/port_platform.h'
```
@sampajano I recommend looking into CI tests to catch iOS problems
before merging. We can enable EventEngine experiments in the CI
generally once this PR lands, but this broken test is not one of those
experiments. A normal build should have caught this.
cc @HannahShiSFB
1. `GrpcAuthorizationEngine` creates the logger from the given config in
its ctor.
2. `Evaluate()` invokes audit logging when needed.
---------
Co-authored-by: rockspore <rockspore@users.noreply.github.com>
Fix: https://github.com/grpc/grpc/issues/18075
From comments in https://github.com/grpc/grpc/issues/18075, `CPython`
reinitialize the `GIL` after `pthread_atfork` child handler, thus we
shouldn't use any `GIL` related functions in child handler which is what
we're currently doing, this PR uses `os.register_at_fork` to replace
`pthread_atfork` to prevent any undesired bevahior.
This also seems to fixes a thread hanging issue cased by changes in
core: https://github.com/grpc/grpc/pull/32869
### Testing:
* Passed existing fork tests. (Note that due to some issues in `Bazel`,
this change was not verified by `Bazel runs_per_test`).
* Tested by patch the core PR, was able to fix Python fork tests:
https://github.com/grpc/grpc/pull/32933
Third-party loggers will be added in subsequent PRs once the logger
factory APIs are available to validate the configs here.
This registry is used in `xds_http_rbac_filter.cc` to generate service
config json.
This paves the way for making pick_first the universal leaf policy (see
#32692), which will be needed for the dualstack design. That change will
require changing pick_first to see both the raw connectivity state and
the health-checking connectivity state of a subchannel, so that we can
enable health checking when pick_first is used underneath round_robin
without actually changing the pick_first connectivity logic (currently,
pick_first always disables health checking). To make it possible to do
that, this PR moves the health checking code out of the subchannel and
into a separate API using the same data-watcher mechanism that was added
for ORCA OOB calls.
The PR also creates a separate BUILD target for:
- chttp2 context list
- iomgr buffer_list
- iomgr internal errqueue
This would allow the context list to be included as standalone
dependencies for EventEngine implementations.
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@sampajano
The very non-trivial upgrade of third_party/protobuf to 22.x
This PR strives to be as small as possible and many changes that were
compatible with protobuf 21.x and didn't have to be merged atomically
with the upgrade were already merged.
Due to the complexity of the upgrade, this PR wasn't created
automatically by a tool, but manually. Subsequent upgraded of
third_party/protobuf with our OSS release script should work again once
this change is merged.
This is best reviewed commit-by-commit, I tried to group changes in
logical areas.
Notable changes:
- the upgrade of third_party/protobuf submodule, the bazel protobuf
dependency itself
- upgrade of UPB dependency to 22.x (in the past, we used to always
upgrade upb to "main", but upb now has release branch as well). UPB
needs to be upgraded atomically with protobuf since there's a de-facto
circular dependency (new protobuf depends on new upb, which depends on
new protobuf for codegen).
- some protobuf and upb bazel rules are now aliases, so `
extract_metadata_from_bazel_xml.py` and `gen_upb_api_from_bazel_xml.py`
had to be modified to be able to follow aliases and reach the actual
aliased targets.
- some protobuf public headers were renamed, so especially
`src/compiler` needed to be updated to use the new headers.
- protobuf and upb now both depend on utf8_range project, so since we
bundle upb with grpc in some languages, we now have to bundle utf8_range
as well (hence changes in build for python, PHP, objC, cmake etc).
- protoc now depends on absl and utf8_range (previously protobuf had
absl dependency, but not for the codegen part), so python's
make_grpcio_tools.py required partial rewrite to be able to handle those
dependencies in the grpcio_tools build.
- many updates and fixes required for C++ distribtests (currently they
all pass, but we'll probably need to follow up, make protobuf's and
grpc's handling of dependencies more aligned and revisit the
distribtests)
- bunch of other changes mostly due to overhaul of protobuf's and upb's
internal build layout.
TODOs:
- [DONE] make sure IWYU and clang_tidy_code pass
- create a list of followups (e.g. work to reenable the few tests I had
to disable and to remove workaround I had to use)
- [DONE in cl/523706129] figure out problem(s) with internal import
---------
Co-authored-by: Craig Tiller <ctiller@google.com>
Various fixes that can be merged in advance, to simplify the 22.x
upgrade.
- Use NOMINMAX for grpcio_tools build to avoid build failure when absl
is added as a dependency. Fixes
https://github.com/grpc/grpc/issues/32779
- in spawn_patch command file, put arguments on multiple lines to avoid
lines going over the limit for large link commands: Fixes
https://github.com/grpc/grpc/issues/32795
- Use `python/generator.h` instead of the deprecated
`python/python_generator.h` in grpcio_tools.
### Description
When invoking a RPC, sometimes operations in core will fail which result
in an `ExecuteBatchError`, currently we [simply raise this
error](https://github.com/grpc/grpc/blob/master/src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi#L705),
and left this Exception unhandled in event loop with error message `Task
exception was never retrieved`.
### Changes included
This PR changes the behavior to log the `ExecuteBatchError` instead of
raising it.
This shouldn't change existing behavior because even without this
change, the exception will simply left on event loop.
### Testing
Tested by manually `set_expection` in [this
future](https://github.com/grpc/grpc/blob/master/src/python/grpcio/grpc/_cython/_cygrpc/aio/callback_common.pyx.pxi#L84),
verified that error was logged correctly and no exception was left in
event loop, sample log:
```
ERROR:grpc._cython.cygrpc:ExecuteBatchError raised in core by servicer method [/grpc.testing.TestService/UnaryCall]
Traceback (most recent call last):
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi", line 682, in _cython.cygrpc._handle_exceptions
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi", line 802, in _handle_rpc
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi", line 547, in _handle_unary_unary_rpc
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/server.pyx.pxi", line 452, in _finish_handler_with_unary_response
File "src/python/grpcio/grpc/_cython/_cygrpc/aio/callback_common.pyx.pxi", line 106, in execute_wrong_batch
_cython.cygrpc.ExecuteBatchError: Failed "execute_batch_including_SendInitialMetadataOperation": (<_cython.cygrpc.SendInitialMetadataOperation object at 0x7fa86d936ca0>, <_cython.cygrpc.SendMessageOperation object at 0x7fa86cf48cb0>, <_cython.cygrpc.SendStatusFromServerOperation object at 0x7fa86cf4c110>)
```
Fix python type hints for async iteration on `UnaryStreamCall` and
`StreamStreamCall`. Those classes _are_ `AsyncIterable`s and `__aiter__`
returns an `AsyncIterator`.
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This PR also centralizes the client channel resolver selection. Resolver
selection is still done using the plugin system, but when the Ares and
native client channel resolvers go away, we can consider bootstrapping
this differently.
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---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
(hopefully last try)
Add new channel arg GRPC_ARG_ABSOLUTE_MAX_METADATA_SIZE as hard limit
for metadata. Change GRPC_ARG_MAX_METADATA_SIZE to be a soft limit.
Behavior is as follows:
Hard limit
(1) if hard limit is explicitly set, this will be used.
(2) if hard limit is not explicitly set, maximum of default and soft
limit * 1.25 (if soft limit is set) will be used.
Soft limit
(1) if soft limit is explicitly set, this will be used.
(2) if soft limit is not explicitly set, maximum of default and hard
limit * 0.8 (if hard limit is set) will be used.
Requests between soft and hard limit will be rejected randomly, requests
above hard limit will be rejected.
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---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
This is a big rewrite of global config.
It does a few things, all somewhat intertwined:
1. centralize the list of configuration we have to a yaml file that can
be parsed, and code generated from it
2. add an initialization and a reset stage so that config vars can be
centrally accessed very quickly without the need for caching them
3. makes the syntax more C++ like (less macros!)
4. (optionally) adds absl flags to the OSS build
This first round of changes is intended to keep the system where it is
without major changes. We pick up absl flags to match internal code and
remove one point of deviation - but importantly continue to read from
the environment variables. In doing so we don't force absl flags on our
customers - it's possible to configure grpc without the flags - but
instead allow users that do use absl flags to configure grpc using that
mechanism. Importantly this lets internal customers configure grpc the
same everywhere.
Future changes along this path will be two-fold:
1. Move documentation generation into the code generation step, so that
within the source of truth yaml file we can find all documentation and
data about a configuration knob - eliminating the chance of forgetting
to document something in all the right places.
2. Provide fuzzing over configurations. Currently most config variables
get stashed in static constants across the codebase. To fuzz over these
we'd need a way to reset those cached values between fuzzing rounds,
something that is terrifically difficult right now, but with these
changes should simply be a reset on `ConfigVars`.
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---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
Prior to this change, we invoke aycnio interceptors by converting them
to `iterator` first, which means we can only call them once before
they're exhausted.
This PR changes the implementation to use `list`, thus the interceptors
can be called multiple times.
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---------
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
This change mostly aims to get OpenCensus to use the new
ServerCallTracer interface. Note that the interfaces nor the code are in
their final states. There are a bunch of moving pieces, but I thought
this might be a nice mid-step to check-in and make sure that our
internal traces can also work with these changes.
Overall changes -
1) call_tracer.h shows what the hierarchy of new call tracer interfaces
looks like. Open to renaming suggestions.
2) Moved most of the common interface between `CallAttemptTracer` and
`ServerCallTracer` into a common `CallTracerInterface`. We should be
able to eventually move `RecordReceivedTrailingMetadata` and `RecordEnd`
as well to these common interfaces, but it requires some additional
work.
3) The compression filter is now responsible for recording the recv and
send messages for both the subchannel call and the server, and adds in
ability to record compressed and decompressed messages as well.
4) The OpenCensus server filter now uses the new `ServerCallTracer`
interface, and so doesn't need to be a filter anymore.
5) A new ServerCallTracerFilter was added. Ideally, we should be able to
move it to the current connected filter, but it is in a bit of an
interesting state right now, so I would prefer making those changes in a
separate PR with Craig's eyes on it.
6) A new context element `GRPC_CONTEXT_CALL_TRACER_ANNOTATION_INTERFACE`
was created that replaces the old `GRPC_CONTEXT_CALL_TRACER`, and the
new `GRPC_CONTEXT_CALL_TRACER` is mainly to pass the `CallAttemptTracer`
down the stack. This should go away in the new promise-based world.
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height="34" align="absmiddle"
alt="Reviewable"/>](https://reviewable.io/reviews/grpc/grpc/32618)
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It looks like nobody ever created ALTS redentials from Python with a
list of accepted service accounts before.
Simple reproduction:
```
import grpc
grpc.alts_channel_credentials(None) # works
grpc.alts_channel_credentials(['foo']) # fails
```
Without this change, generates this error:
```
[...]
File "src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi", line 414, in _cython.cygrpc.channel_credentials_alts
File "src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx.pxi", line 403, in _cython.cygrpc.ALTSChannelCredentials.__cinit__
TypeError: expected bytes, str found
```
(And the error cannot be worked around by the caller by passing a bytes
object from the Python side: you still get the same error.)
Upgrade boringssl to the latest "master-with-bazel"
- use the `'USE_HEADERMAP' => 'NO'` fix for ObjC
- update the key for asm optimizations on mac/apple in python's setup.py
This PR depends on monterey fixes here:
https://github.com/grpc/grpc/pull/32493 and the boringssl's build
simplification
https://boringssl-review.googlesource.com/c/boringssl/+/56465.
---------
Co-authored-by: Hannah Shi <hannahshisfb@gmail.com>
Internal Windows builds will catch issues that we cannot yet catch in
OSS. This will be mostly remedied once we have clang-cl in our CI (See a
rough roadmap in https://github.com/grpc/grpc/pull/32448). For now, this
PR identifies folders where most Windows-specific code is developed, and
requires cherrypicks for PRs that touch anything inside those folders.
This PR also refactors gpr and gprpp source files to better isolate all
platform-specific code ~the Windows-only code~. ~I will reorganize the
other platform-specific files using this structure if there are no
objections.~
This subset of folders covers about half of the `#ifdef GPR_WINDOWS`
usages in gRPC, but nearly all of the actively-developed Windows code
locations.
This code is not plumbed through yet, but it provides the core
infrastructure needed to detect the proper GCP environment resources
needed to set up the labels/attributes/resources for stats, tracing and
logging.
Details on how the various environment resources are setup has been
derived by looking at java's cloud logging library and OpenTelemetry's
future plans. (Could be better explained in an offline review since some
links are internal).
Requesting @veblush for a full review and @markdroth for a structural
review.
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* Revert "Revert "Revert "Revert "server: introduce ServerMetricRecorder API and move per-call reporting from a C++ interceptor to a C-core filter (#32106)" (#32272)" (#32279)" (#32293)"
This reverts commit 1f960697c5.
* Do not create CallMetricRecorder if call is null.
* Revert "Revert "server: introduce ServerMetricRecorder API and move per-call reporting from a C++ interceptor to a C-core filter (#32106)" (#32272)"
This reverts commit deb1e25543.
* Fix by caching call metric recording stuff in async request
PR #32106 caused msan errors in some tests while de-referencing the
server object where async calls are active after the server is
destroyed. Instead cache the ServerMetricRecorder pointer.
* copyright headers fixed
* clang fixes.
* [EventEngine] Add invalid handle types to the public API
* Automated change: Fix sanity tests
* add definition for static constexpr members
* sanitize
Co-authored-by: drfloob <drfloob@users.noreply.github.com>
* WRR: port StaticStrideScheduler to OSS
* WIP
* Automated change: Fix sanity tests
* fix build
* remove unused aliases
* fix another type mismatch
* remove unnecessary include
* move benchmarks to their own file, and don't run it on windows
* Automated change: Fix sanity tests
* add OOB reporting
* generate_projects
* clang-format
* add config parser test
* clang-tidy and minimize lock contention
* add config defaults
* add oob_reporting_period config field and add basic test
* Automated change: Fix sanity tests
* fix test
* change test to use basic RR
* WIP: started exposing peer address to LB policy API
* first WRR test passing!
* small cleanup
* port RR fix to WRR
* test helper refactoring
* more test helper refactoring
* WIP: trying to fix test to have the right weights
* more WIP -- need to make pickers DualRefCounted
* fix timer ref handling and get tests working
* clang-format
* iwyu and generate_projects
* fix build
* add test for OOB reporting
* keep only READY subchannels in the picker
* add file missed in a previous commit
* fix sanity
* iwyu
* add weight expiration period
* add tests for weight update period and OOB reporting period
* Automated change: Fix sanity tests
* lower bound for timer interval
* consistently apply grpc_test_slowdown_factor()
* cache time in test
* add blackout_period tests
* avoid some unnecessary copies
* clang-format
* add field to config test
* simplify orca watcher tracking
* attempt to fix build
* iwyu
* generate_projects
* update xds proto dependency
* add xDS LB policy entry to registry
* add "_experimental" suffix to policy name
* update LB policy name and remove debug log
* add env var protection
* generate_projects
* gen_upb_api
* WRR: update tests to cover qps plumbing
* WIP
* Automated change: Fix sanity tests
* more WIP
* basic WRR e2e test working
* add OOB test
* add xDS WRR e2e test
* clang-format
* fix sanity
* ignore duplicate addresses
* Automated change: Fix sanity tests
* add new tracer to doc/environment_variables.md
* retain scheduler state across pickers
* Automated change: Fix sanity tests
* use separate mutexes for scheduler and timer
* sort addresses to avoid index churn
* remove fetch_sub for wrap around in RR case
Co-authored-by: markdroth <markdroth@users.noreply.github.com>
* WRR: port StaticStrideScheduler to OSS
* WIP
* Automated change: Fix sanity tests
* fix build
* remove unused aliases
* fix another type mismatch
* remove unnecessary include
* move benchmarks to their own file, and don't run it on windows
* Automated change: Fix sanity tests
* add OOB reporting
* generate_projects
* clang-format
* add config parser test
* clang-tidy and minimize lock contention
* add config defaults
* add oob_reporting_period config field and add basic test
* Automated change: Fix sanity tests
* fix test
* change test to use basic RR
* WIP: started exposing peer address to LB policy API
* first WRR test passing!
* small cleanup
* port RR fix to WRR
* test helper refactoring
* more test helper refactoring
* WIP: trying to fix test to have the right weights
* more WIP -- need to make pickers DualRefCounted
* fix timer ref handling and get tests working
* clang-format
* iwyu and generate_projects
* fix build
* add test for OOB reporting
* keep only READY subchannels in the picker
* add file missed in a previous commit
* fix sanity
* iwyu
* add weight expiration period
* add tests for weight update period and OOB reporting period
* Automated change: Fix sanity tests
* lower bound for timer interval
* consistently apply grpc_test_slowdown_factor()
* cache time in test
* add blackout_period tests
* avoid some unnecessary copies
* clang-format
* add field to config test
* simplify orca watcher tracking
* attempt to fix build
* iwyu
* generate_projects
* add "_experimental" suffix to policy name
* WRR: update tests to cover qps plumbing
* WIP
* more WIP
* basic WRR e2e test working
* add OOB test
* fix sanity
* ignore duplicate addresses
* Automated change: Fix sanity tests
* add new tracer to doc/environment_variables.md
* retain scheduler state across pickers
* Automated change: Fix sanity tests
* use separate mutexes for scheduler and timer
* sort addresses to avoid index churn
* remove fetch_sub for wrap around in RR case
Co-authored-by: markdroth <markdroth@users.noreply.github.com>
* Improve logging while calling core API
* Use NULL for _core_error_string
* Don't raise inside Exception hanlder
* Changes based on comment
* Remove unused enum
* Decode and add qoutes for grpc_call_error_string.
* Revert "Revert "Add support for systemd socket activation (#30485)" (#31617)"
This reverts commit 867dc6cae2.
* Add checks to unix tests
* Ran generate_projects.sh and fixed styling in test
* Fix variable in unit test
* Use reinterpret_cast in test
* Rebase and fix sanity failures
This is motivated by #31227 which I also encountered recently. I'm not familiar with the call lifecycle details, but it seems clear that there is some kind of race condition between user-initiated cancellations and other completion status updates.
If a user cancels a call before being notified of its completion, I believe it should be considered cancelled unconditionally, regardless of whether the call actually completed successfully before its cancellation status could be set.
So it seems better to re-raise explicitly rather than using self._raise_for_status(), which is a no-op in this race condition and can lead to an UnboundedLocalError.
Hima Sajeev
