[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#36570
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36570 from tanvi-jagtap:test_cpp_interop_tjagtap c507446295
PiperOrigin-RevId: 632375773
Replacing GPR_ASSERT with absl CHECK
Will not be replacing CHECK with CHECK_EQ , CHECK_NE etc because there are too many callsites.
This could be done using Cider-V once these changes are submitted if we want to clean up later. Given that we have 4000+ instances of GPR_ASSERT to edit, Doing it manually is too much work for both the author and reviewer.
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Closes#36222
COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36222 from tanvi-jagtap:assert_interop adcc660e78
PiperOrigin-RevId: 623366969
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This replaces gflags. Added TODOs where use of `absl::Duration` or `absl::FlagSaver` might be preferred in follow-up cleanup. Fixes#24493.
This reverts commit da66b7d14e.
NEW:
* Adds references to `absl/flags/declare.h`, new to LTS 2020923.2 imported in commit 5b43440.
* Works around MSVC 2017 compiler error with large help text on flags by reducing the help text.
Mark D. Roth
Tanvi Jagtap
Craig Tiller
Yijie Ma
Yijie Ma
apolcyn
Mohan Li
Craig Tiller
AJ Heller
capstan
Nathan Herring
Esun Kim
Vijay Pai