The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

grpc

Last update: Dec 30, 2022

Related tags

Networking grpc

Overview

gRPC - An RPC library and framework

gRPC is a modern, open source, high-performance remote procedure call (RPC) framework that can run anywhere. gRPC enables client and server applications to communicate transparently, and simplifies the building of connected systems.

Homepage:	grpc.io
Mailing List:	[email protected]

To start using gRPC

To maximize usability, gRPC supports the standard method for adding dependencies to a user's chosen language (if there is one). In most languages, the gRPC runtime comes as a package available in a user's language package manager.

For instructions on how to use the language-specific gRPC runtime for a project, please refer to these documents

C++: follow the instructions under the src/cpp directory
C#: NuGet package Grpc
Dart: pub package grpc
Go: go get google.golang.org/grpc
Java: Use JARs from Maven Central Repository
Kotlin: Use JARs from Maven Central Repository
Node: npm install grpc
Objective-C: Add gRPC-ProtoRPC dependency to podspec
PHP: pecl install grpc
Python: pip install grpcio
Ruby: gem install grpc
WebJS: follow the grpc-web instructions

Per-language quickstart guides and tutorials can be found in the documentation section on the grpc.io website. Code examples are available in the examples directory.

Precompiled bleeding-edge package builds of gRPC master branch's HEAD are uploaded daily to packages.grpc.io.

To start developing gRPC

Contributions are welcome!

Please read How to contribute which will guide you through the entire workflow of how to build the source code, how to run the tests, and how to contribute changes to the gRPC codebase. The "How to contribute" document also contains info on how the contribution process works and contains best practices for creating contributions.

Troubleshooting

Sometimes things go wrong. Please check out the Troubleshooting guide if you are experiencing issues with gRPC.

Performance

See the Performance dashboard for performance numbers of master branch daily builds.

Concepts

See gRPC Concepts

About This Repository

This repository contains source code for gRPC libraries implemented in multiple languages written on top of a shared C core library src/core.

Libraries in different languages may be in various states of development. We are seeking contributions for all of these libraries:

Language	Source
Shared C [core library]	src/core
C++	src/cpp
Ruby	src/ruby
Python	src/python
PHP	src/php
C# (core library based)	src/csharp
Objective-C	src/objective-c

Language	Source repo
Java	grpc-java
Kotlin	grpc-kotlin
Go	grpc-go
NodeJS	grpc-node
WebJS	grpc-web
Dart	grpc-dart
.NET (pure C# impl.)	grpc-dotnet

Comments

LB policies request re-resolution without shutting down

Fixes #12731.

I changed the code by intuition and I am still uncertain about lots of logic here. This initial commit can be compiled but increases the flakiness of at least grpclb_end2end test. And there is some asan issue I am looking at.

This change is
kind/enhancement cla: yes area/client channel

opened by AspirinSJL 189
grpclb re-resolution

Currently, grpclb will hand off the re-resolution decision to its embedded RR policy. This PR lets grpclb to be in charge of its re-resolution. The connectivity of the balancers will also be taken into consideration so that grpclb will re-resolve only when both balancers and backends have been unreachable for some timeout.

This change is
kind/enhancement area/client channel

opened by AspirinSJL 160
Retry support
~~This is VERY preliminary code. It builds, and I don't think it breaks any existing functionality, but that's about all I can say for it at this point. There are "FIXME" comments all over the place that need to be addressed before this is done, and there may yet be some issues that I have not yet identified.~~

~~That having been said, I am sending it out at this point just to get a sanity check as to whether or not this approach is even moderately reasonable. Please look at the high-level structure and let me know if it seems reasonable. Also, please look at my use of atomics (and some of the FIXME comments about things that aren't currently atomics but may need to be) and let me know if it looks sane.~~

~~Also, note that I came up with what I think is a better alternative to the tee_byte_stream implementation in #10448. It will need some additional work later to support hedging, but I think the current approach is fine for retries. If it looks good to you, I can probably revert that other PR.~~

~~I would welcome any and all suggestions you may have on this. Thanks!~~

This code is now ready for review!

I would appreciate review from the following folks:

@ctiller: This code is really complex, and I am unwilling to trust it without careful review from you.

@dgquintas: Please review from the perspective of your general knowledge of the client channel code.

@ncteisen: Please review for compliance with the retry design.

Some things to note:

This is a massive PR, so please let me know what I can do to make it easier to review. There is a large block comment in client_channel.cc describing the overall approach, but I'm sure it's not enough to understand everything. I would be happy to meet in person and do a code walk-through with some or all of you, or just answer any questions you may have.

This includes all configurable retry functionality except for the stats, which I will work on in a separate PR. (That will require working with the Census folks to figure out the right way to expose these stats.)

This does not include transparent retry support. That work depends on #11934 and will be added in a separate PR.

This does not include hedging support. I've kept that use-case in mind while writing this code, but more design discussions will need to occur to figure out how to implement it without impacting performance.

I have not yet verified that all tests pass, so there will no doubt be some fixes needed before this can be merged.

I will be interested to see what the performance impact of this is. It should hopefully be not very much, since all of the synchronization overhead is taken care of by the call combiner code, which was already merged. There is some additional memory allocation needed for this, but that's mostly done on the arena, so it should hopefully not have a big impact. (And the additional memory allocations can be avoided by disabling retries via a channel arg.)

Please let me know if you have any questions. Thanks!

This change is
cla: yes
opened by markdroth 154
Remove memset(0) from arena allocate memory.

Callers should properly initialize the memory.

Note that to avoid performance regressions we need some reordering in the initialization of grpc_call.

This behavior can be overridden using GRPC_ARENA_INIT_STRATEGY environment variable.

I had two more changes in the following files which I will skip in the PR because they are purely performance changes for cache coherency. I will upload that as a separate patch once this PR is merged: src/core/lib/channel/channel_stack.cc src/core/lib/surface/call.cc

This change is
lang/core release notes: yes

opened by soheilhy 150
Channel Tracing Implementation; Part 1

Implements the basic channel tracing architecture.

Adds channel_tracer and object_registry files. The tracers are held by channels and subchannels and only log channel creation for now. In a subsequent PR I will begin plumbing the tracing objects around and logging all of the interesting things happening

Picks up work from #10259. That PR was too stale to do a merge or rebase, but I want to maintain history

This change is
kind/enhancement area/core

opened by ncteisen 136
Add address sorting submodule for use in c-ares wrapper

This adds code to sort IP addresses resolved by grpc/c-ares wrapper per RFC 6724. This used Android's getaddrinfo as a guide (the differences between this and Android's implementation are mostly cosmetic and based around hooking the address-sorting code into the grpc code base). So, the code is added as a custom submodule which is under Android's license.

I'd like to have more end-to-end tests and cross-platform tests for this, (e.g. run the resolver_component_tests on IPv4-only machines, IPv6-only machines, machines with modified routing tables, Windows, etc.,and verify sorting results in those scenarios), but it looks like that involves a lot of setup, and so this tests by mocking libc functions.

This change is
area/core cla: yes

opened by apolcyn 136
Bazel multipool config update, removed sentinel file

Added multipool config for large instances and standard instances, replacing the sentinel file for large instances. Also updated the RBE container to the image containing bazel 0.16.1
area/tools release notes: no

opened by billfeng327 127
Integrate Grpc.Tools into msbuild system (C# only)
When Grpc.Tools is added to a C# project, the project recognizes .proto files. These .proto are compiled into .cs files placed in the object directory (under obj/...), and are not shown in Visual Studio, but are available to Intellisense nevertheless.

The scripts support both "classic" projects and the new dotnet style projects. In line with the latter ones (when .cs files are just dropped into the directory are picked up and compiled), .proto files are handled the same way, so just placing a .proto file into the folder is enough to compile it, and compile its protoc outputs into the project target assembly.

The "classic" project requires adding .proto files by one, and they are assigned a correct build action automatically. To manually add proto files to msbuild script, use 'ProtoBuf' item type.

For native code C++ projects, there is no added support beyond just dropping the compiler as before. For all other project types, an error message is generated on an attempted build. More C++ support is on the way.

Dependency change: the package now adds a dependency on Grpc.Tools of a matching version for managed projects only. This is naturally skipped for native C++, as the managed runtime is not required.

Also packaged are proto includes for well-known types.

Validated and confirmed working:

Windows (VS, classic C#, dotnet C#, C++)

Linux/Mono (both classic C# and dotnet C#)

Linux/dotnet (dotnet C# project only)

There are quite a few questions I wanted to discuss. If anyone could help me with proper decicions, I would appreciate it.

The captialization of generated .cs files. When I compile fooBar.proto, the resulting .cs file is called FooBar.proto. Is there a way around that? This does not seem to make sense in the build like this, when the .cs files are treated at best as temporary. I can certainly script around the issue in msbuild scripts, but why have it in the first place?

If x.proto does not contain any RPC services. the corresponding xGrpc.cs is not generated (FWIW, the cpp plugin does not do that). This is not good for the build. While it is certainly possible to see if the file is there after compilation, it is impossible to learn if it was actually produced by it. In other words, if I take a service definition out of x.proto after having previously compiled it, I end up with a stale xGrpc.cs that is added to compilation. Of course, it is possible to write some msbuild incantations about this issue as well, but it would be much cleaner just to create a nearly empty xGrpc.cs stub even if no services are defined. So options I am asking about here are

a) Leave it as is and script some very ugly transformations around it.

b) Add a plugin option to do always generate the stub.

c) In fact, forget the option and just always generate the stub.

I want to package cpp plugins also, and support to integrate gRPC into the build process. (I already have it packaged internally). This will cover the build process in Visual Studio. Should we do that?

I am adding a bunch of files to the root of src/chsarp that only go into the nuget package. Is it better to place them into a subdirectory? Is Grpc.Tools subdirectory good?

/cc @jskeet @hcoona
Closes #4805
/* #13098 */
lang/C# cla: yes release notes: yes
opened by kkm000 126
C++ API review: reduce core/implementation leakage
If you liked internalization, you'll love C++ API review. The purpose of this PR is to clean up the use of breakable core structs from C++ public API. This has previously been done for the features that interfaced with code generation, but this now needs to be more pervasive. The basic principle is that core surface APIs and C++ implementation details should not leak through to C++ public API.

The implementation strategy is

when possible, privatize features that should have never been exposed

deprecate pieces if they can be easily and meaningfully substituted with a purely C++ API

co-opt items for which there is no other option, but try to give an alternative and more idiomatically C++ version for those when possible

This supercedes #14106 and will be matched to a gRFC soon.

This change is
area/core lang/c++ area/api disposition/stale
opened by vjpai 123
Channelz Python wrapper implementation
See Issue https://github.com/grpc/grpc/issues/17264

Expose the C-Core API in Cython layer

Handle the object translation

Create a separate package for Channelz specifically

Adding utilities for the new package

kind/enhancement lang/Python release notes: yes
opened by lidizheng 109
Rich status transport implementation
Background

gRPC spec defined two trailing data to indicate the status of a RPC call Status and Status-Message (Spec). But status code and a text message themselves are insufficient to express more complicate situation like the RPC call failed because of quota check of certain policy, or the stack trace from the crashed server, or obtain retry delay from the server (see error details).

Objective

So, gRPC needs a mechanism to transport those complex status. It is implemented in C++, Java, Golang, and now Python.

Design

It is quite straight forward, we provide two API:

A server API to pack the rich status proto.

A client API to unpack the rich status proto.

The transportation is done by setting/getting a trailing metadata entry named grpc-status-details-bin. Rich status message is encoded by ProtoBuf and transmit as binary.

Implementation

This PR

Related Issue

Addresses: https://github.com/grpc/grpc/issues/16366
kind/enhancement lang/Python release notes: yes
opened by lidizheng 106

[Q] To have better understanding on having `readonly` `MapField<,> and RepeatedField` in c#

It is still possible to mutate a RepeatedField with Add and AddRange methods similar to how it is possible to mutate other fields such as primitives or sub-messages. The only thing the current design ensures is that the reference to the list is immutable. Maybe Java uses builders and keeps the proto class immutable but in C# a proto class is definitely not immutable.

    /// <summary>Field number for the "retrieveFields" field.</summary>
    public const int RetrieveFieldsFieldNumber = 5;
    private static readonly pb::FieldCodec<string> _repeated_retrieveFields_codec
        = pb::FieldCodec.ForString(42);
    private readonly pbc::RepeatedField<string> retrieveFields_ = new pbc::RepeatedField<string>();
    /// <summary>
    ///Which fields to highlight or retrieve.
    /// </summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    [global::System.CodeDom.Compiler.GeneratedCode("protoc", null)]
    public pbc::RepeatedField<string> RetrieveFields {
      get { return retrieveFields_; }
    }

Why the following doesn't work or what issues it might cause:

    /// <summary>Field number for the "retrieveFields" field.</summary>
    public const int RetrieveFieldsFieldNumber = 5;
    private static readonly pb::FieldCodec<string> _repeated_retrieveFields_codec
        = pb::FieldCodec.ForString(42);
    private pbc::RepeatedField<string> retrieveFields_ = new pbc::RepeatedField<string>();
    /// <summary>
    ///Which fields to highlight or retrieve.
    /// </summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    [global::System.CodeDom.Compiler.GeneratedCode("protoc", null)]
    public pbc::RepeatedField<string> RetrieveFields {
      get { return retrieveFields_; }
            set
            { 
               // if null throw expectation?
                retrieveFields_ = new pbc.RepeatedField<string>().Add(value);
            }
    }

Both MapField<,> and RepeatedField does not support mutable

kind/question priority/P3 untriaged

opened by Jeevananthan-23 0

Make grpc++_test target publicly visible

Fix #31296

I think Craig's concern here was the stability of the APIs. We could potentially add a disclaimer at the very top of all these files that we do not guarantee the stability of these files or this build target. What do y'all think?
release notes: no bloat/none per-call-memory/neutral per-channel-memory/neutral

opened by yashykt 0
Change Some Cython classes to Enum
We have some Cython classes which should be created as Enum (For example, StatusCode), this is blocking us to use correct type annotation for them (Like here).

This change is required for the following classes:

StatusCode: https://github.com/grpc/grpc/blob/master/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi#L61

OperationType: https://github.com/grpc/grpc/blob/master/src/python/grpcio/grpc/_cython/_cygrpc/records.pyx.pxi#L101

kind/enhancement lang/Python priority/P2
opened by XuanWang-Amos 0
Disable ruby artifact builds on v1.46.x

Note this PR should not be up-merged to master

Ruby artifact builds are broken on this branch which is preventing patch releases for other languages e.g. C#

Since we don't actually plan to do any patch releases on v1.46.x for ruby, let's just disable ruby builds on this branch
lang/ruby release notes: no bloat/none per-call-memory/neutral

opened by apolcyn 1

Releases(v1.49.2)

v1.49.2(Dec 9, 2022)
This is release 1.49.2 (gamma) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

All

Backport of https://github.com/grpc/grpc/pull/31357 to mitigate https://github.com/advisories/GHSA-cfmr-vrgj-vqwv #31595

Source code(tar.gz)
Source code(zip)
v1.51.1(Nov 29, 2022)
This is release gRPC Core 1.51.1 (galaxy).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Python

Revert "Build with System OpenSSL on Mac OS arm64 (#31096)". (#31739)

Source code(tar.gz)
Source code(zip)
v1.51.0(Nov 21, 2022)
This is release gRPC Core 1.51.0 (galaxy).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Core

Bump core version 202211082118. (#31585)

c-ares DNS resolver: fix logical race between resolution timeout/cancellation and fd readability. (#31443)

[log] Longer space for filenames. (#31432)

c-ares DNS resolver: remove unnecessary code in SRV callback. (#31426)

Correct the domain-socket client address read out from the ServerContext. (#31108)

outlier detection: remove env var protection. (#31251)

EventEngineFactoryReset - remove custom factory and reset default engine. (#30554)

[tls] Remove support for pthread tls. (#31040)

C++

Added version macros to gRPC C++. (#31033)

OpenCensus: Move measures, views and CensusContext to include file. (#31341)

GcpObservability: Add experimental public target. (#31339)

C#

Fix msbuild failing when '@' is present in path (2nd attempt). (#31527)

Revert "Fix msbuild failing when '@' is present in path". (#31464)

Fix msbuild failing when '@' is present in path. (#31133)

PHP

fixing php 8.2 deprecations. (#30997)

Python

Fix lack of cooldown between poll attempts. (#31550)

Build with System OpenSSL on Mac OS arm64. (#31096)

Remove enum and future. (#31381)

[Remove Six] Remove dependency on six. (#31340)

Update xds-protos package to pull in protobuf 4.X. (#31113)

Source code(tar.gz)
Source code(zip)
v1.51.0-pre1(Nov 14, 2022)

This is a prerelease of gRPC Core 1.51.0 (galaxy).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.50.1(Oct 27, 2022)
This is release gRPC Core 1.50.1 (galley).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

All

Fix Bazel 4 support and objc bazel tests on python3.9 (#31410)

Source code(tar.gz)
Source code(zip)
v1.50.0(Oct 14, 2022)
This is release gRPC Core 1.50.0 (galley).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

Derive EventEngine from std::enable_shared_from_this. (#31060)

Revert "Revert "[chttp2] fix stream leak with queued flow control update and absence of writes (#30907)" (#30991)". (#30992)

[chttp2] fix stream leak with queued flow control update and absence of writes. (#30907)

Remove gpr_codegen. (#30899)

client_channel: allow LB policy to communicate update errors to resolver. (#30809)

FaultInjection: Fix random number generation. (#30623)

C++

OpenCensus Plugin: Add measure and views for started RPCs. (#31034)

C#

Grpc.Tools: Parse warnings from libprotobuf (fix #27502). (#30371)

Grpc.Tools add support for env variable GRPC_PROTOC_PLUGIN (fix #27099). (#30411)

Grpc.Tools document AdditionalImportDirs. (#30405)

Fix OutputOptions and GrpcOutputOptions (issue #25950). (#30410)

Python

Support Python 3.11. (#30818)

Ruby

Fix ruby windows ucrt build. (#31051)

Drop support for ruby 2.5. (#30699)

Source code(tar.gz)
Source code(zip)
v1.50.0-pre1(Sep 29, 2022)

This is a prerelease of gRPC Core 1.50.0 (galley).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
grpc_objective_c_plugin-1.50.0-pre1-macos-x86_64.zip(1.18 MB)
v1.49.1(Sep 22, 2022)
This is release 1.49.1 (gamma) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

All

Update protobuf to v21.6 on 1.49.x. (#31028)

Ruby

Backport "Fix ruby windows ucrt build #31051" to 1.49.x. (#31053)

Source code(tar.gz)
Source code(zip)
v1.46.5(Sep 22, 2022)
This is release 1.46.5 (golazo) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

All

Update protobuf to v3.19.5 on v1.46.x. (#31032)

Core

Backport to 1.46.x: priority and ring_hash LBs: fix interactions when using ring_hash under priority (#29332). (#30253)

Backport to v1.46.x: ring hash: fix picker propagation bug in xds_cluster_manager policy (#29959). (#30254)

C#

Fix client resource leaks-issues 8451 and 28153. (#30290)

Source code(tar.gz)
Source code(zip)
v1.48.2(Sep 22, 2022)
This is release 1.48.2 (garum) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

All

Update protobuf to v3.19.5 on v1.48.x. (#31029)

Source code(tar.gz)
Source code(zip)
v1.47.2(Sep 22, 2022)
This is release 1.47.2 (gridman) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

All

Update protobuf to v3.19.5 on v1.47.x. (#31031)

Source code(tar.gz)
Source code(zip)
v1.49.0(Sep 14, 2022)
This is release 1.49.0 (gamma) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

Backport: "stabilize the C2P resolver URI scheme" to v1.49.x. (#30654)

Bump core version. (#30588)

Update OpenCensus to HEAD. (#30567)

Update protobuf submodule to 3.21.5. (#30548)

Update third_party/protobuf to 3.21.4. (#30377)

[core] Remove GRPC_INITIAL_METADATA_CORKED flag. (#30443)

HTTP2: Fix keepalive time throttling. (#30164)

Use AnyInvocable in EventEngine APIs. (#30220)

Python

Support Python 3.11 (#30818). (#30944)

Add type stub generation support to grpcio-tools. (#30498)

Ruby

Backport "Drop support for ruby 2.5 (#30699)" to v1.49.x. (#30762)

Source code(tar.gz)
Source code(zip)
grpc_objective_c_core-1.49.0-xcframework.zip(15.20 MB)
grpc_objective_c_grpc-1.49.0-xcframework.zip(872.29 KB)
grpc_objective_c_plugin-1.49.0-macos-x86_64.zip(1.18 MB)
grpc_objective_c_protorpc-1.49.0-xcframework.zip(102.38 KB)
v1.49.0-pre3(Sep 1, 2022)

This is a prerelease of gRPC Core 1.49.0 (gamma).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.49.0-pre2(Aug 30, 2022)

This is a prerelease of gRPC Core 1.49.0 (gamma).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.48.1(Aug 31, 2022)
This is release 1.48.1 (garum) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

Backport EventEngine Forkables. (#30605)

Source code(tar.gz)
Source code(zip)
v1.49.0-pre1(Aug 18, 2022)

This is a prerelease of gRPC Core 1.49.0 (gamma).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.48.0(Jul 19, 2022)
This is release 1.48.0 (garum) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

Upgrade Abseil to LTS 20220623.0 . (#30155)

Call: Send cancel op down the stack even when no ops are sent. (#30004)

FreeBSD system roots implementation. (#29436)

xDS: Workaround to get gRPC clients working with istio. (#29841)

Python

Set Correct Platform Tag in Wheels on Mac OS with Python 3.10. (#29857)

[Aio] Ensure Core channel closes when deallocated. (#29797)

[Aio] Fix the wait_for_termination return value. (#29795)

Ruby

Make the gem build on TruffleRuby. (#27660)

Support for prebuilt Ruby binary on x64-mingw-ucrt platform. (#29684)

[Ruby] Add ruby_abi_version to exported symbols. (#28976)

Objective-C

First developer preview of XCFramework binary distribution via Cocoapod (#28749).

This brings in significant speed up to local compile time and includes support for Apple Silicon build.

The following binary pods are made available for ObjC V1 & V2 API

gRPC-XCFramework (source pod gRPC)

gRPC-ProtoRPC-XCFramework (source pod gRPC-ProtoRPC)

The following platforms and architectures are included

ios: armv7, arm64 for device. arm64, i386, x86_64 for simulator

macos: x86_64 (Intel), arm64 (Apple Silicon)

Source code(tar.gz)
Source code(zip)
grpc_objective_c_core-1.48.0-xcframework.zip(58.66 MB)
grpc_objective_c_grpc-1.48.0-xcframework.zip(1.77 MB)
grpc_objective_c_plugin-1.48.0-macos-x86_64.zip(1.16 MB)
grpc_objective_c_protorpc-1.48.0-xcframework.zip(256.14 KB)
v1.47.1(Jul 15, 2022)
This is release gRPC Core 1.47.1 (gridman).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Core

[Backport] Using string rep for status-time (#30123) #30145

[Backport] Tell MSVC to build grpc with utf-8 (#30003) #30153

[Backport] Ring hash: fix picker propagation bug in xds_cluster_manager policy (#29959) #30241

Source code(tar.gz)
Source code(zip)
v1.46.4(Jul 6, 2022)
This is release gRPC Core 1.46.4 (golazo).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Core

[Backport] Using string rep for status-time (#30123) #30146

Source code(tar.gz)
Source code(zip)
v1.48.0-pre1(Jul 5, 2022)

This is a prerelease of gRPC Core 1.48.0 (garum).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
grpc_objective_c_core-1.48.0-pre1-xcframework.zip(58.66 MB)
grpc_objective_c_grpc-1.48.0-pre1-xcframework.zip(1.77 MB)
grpc_objective_c_plugin-1.48.0-pre1-macos-x86_64.zip(1.16 MB)
grpc_objective_c_protorpc-1.48.0-pre1-xcframework.zip(256.15 KB)
v1.47.0(Jun 22, 2022)
This is release 1.47.0 (gridman) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Announcement

gRPC C++ 1.47.0 is the first release requiring C++14 (proposal). For those who cannot upgrade to C++14 right now, you can use gRPC C++ 1.46.x in the meantime and gRPC C++ 1.46.x will be maintained by having fixes for critical bugs (P0) and security fixes until 2023-06-01.

Core

xDS: Workaround to get gRPC clients working with istio (#29841). (#29850)

Bump core version to 25.0.0 for upcoming release. (#29775)

Initial support for Haiku. (#27793)

Add NetBSD support (Community-supported). (#29542)

server: per-rpc backend metric reporting. (#29621)

Remove C# implementation (individual packages will continue to be maintained through v2.46.x patches or moved to grpc-dotnet). (#29225)

C++

Expose NoOpCertificateVerifier to C++. (#29322)

RouteGuide example: Abort if database file not found. (#29398)

C#

C#: Suppress CS8981 in generated source. (#29708)

Python

Set Correct Platform Tag in Wheels on Mac OS with Python 3.10 (#29857). (#30026)

Removed manylinux2010 python artifacts. (#29734)

Allow grpcio to be built against system abseil-cpp. (#27550)

[Python] Add an UDS example. (#29592)

Ruby

Backport "Support for prebuilt Ruby binary on x64-mingw-ucrt platform (#29684)" to 1.47.x. (#29868)

Upgrade ruby rake-compiler-dock images (and stop building ruby gem artifacts on mac, in favor of rake-compile-dock darwin builds). (#29304)

Other

Downgrade io_bazel_rules_go to v0.27.0 restore Bazel 3.x support. (#29596)

Source code(tar.gz)
Source code(zip)
grpc_objective_c_plugin-1.47.0-macos-x86_64.zip(1.16 MB)
v1.47.0-pre1(Jun 17, 2022)

This is a prerelease of gRPC Core 1.47.0 (gridman).

Please see the notes for the previous releases here: https://github.com/grpc/grpc/releases. Please consult https://grpc.io/ for all information regarding this product.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.46.3(May 20, 2022)
This is release gRPC Core 1.46.3 (golazo).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Core

backport: xds: use federation env var to guard new-style resource name parsing (#29725) #29727

Source code(tar.gz)
Source code(zip)
grpc_objective_c_plugin-1.46.3-macos-x86_64.zip(1.16 MB)
v1.46.2(May 16, 2022)
This is release gRPC Core 1.46.2 (golazo).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Ruby

Backport "[Ruby]fix a rake compile error since rake-compiler ~> 1.1 (#28666)". (#29656)

Backport "Upgrade ruby rake-compiler-dock images (#29304)". (#29657)

Source code(tar.gz)
Source code(zip)
v1.46.1(May 11, 2022)

This is release gRPC Core 1.46.1 (golazo).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.46.0(May 4, 2022)
This is release 1.46.0 (golazo) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Announcement

gRPC C++ 1.46 will be the last release supporting C++11, future releases will require C++ >= 14. We plan to backport critical (P0) bugs and security fixes to this release for a year, that is, until 2023-06-01. This change won't bump the major version of gRPC since this doesn't introduce API changes. Hence, the next version requiring C++14 will be 1.47 (context).

Core

Ignore Connection Aborted errors on accept. (#29318)

Filter content-length metadata from the application. (#29295)

RetryFilter: Cleanup pending byte stream. (#29245)

HTTP Proxy: Ignore empty entry in no_proxy list. (#29217)

Adding http/1.1 support in httpcli. (#29238)

HTTP2: Initiate write for acknowledging SETTINGS frame. (#29218)

Change the unsupported polling strategy log for forking to GPR_INFO. (#29232)

Handle SSL_ERROR_WANT_WRITE error. (#29176)

TCP Async Connect: Fix Heap use-after-free. (#29209)

HTTP2: Add graceful goaway. (#29050)

Remove epollex poller. (#29160)

TlsCredentials: Comparator implementation. (#28940)

Decrease verbosity of alts handshaker logs which can happen during cancellation. (#29058)

HTTP2: Should not run cancelling logic on servers when receiving GOAWAY. (#29067)

HTTP2: Don't throttle pings from the server. (#29053)

Include ADS stream error in XDS error updates. (#29014)

Remove idempotent/cacheable requests. (#28922)

C++

Add bazel cpp distribtest for grpc_cc_library. (#29175)

C#

Add support for grpc-dotnet in GKE benchmarks. (#28975)

Sync unary call after shutdown: Add a repro and fix for #19090 . (#23003)

Remove C# Legacy (a.k.a. "Classic") csproj example. (#29102)

Python

Add Python GCF Distribtest. (#29303)

Add Python Reflection Client. (#29085)

Revert "Fix prefork handler register's default behavior". (#29229)

Fix prefork handler register's default behavior. (#29103)

Fix fetching CXX variable in setup.py. (#28873)

Ruby

Support pre-built binaries for Ruby 3.1. (#29000)

Make sure to always receive initial metadata in ruby. (#29155)

Source code(tar.gz)
Source code(zip)
grpc_objective_c_plugin-1.46.0-macos-x86_64.zip(1.16 MB)
v1.46.0-pre2(Apr 22, 2022)

This is a prerelease of gRPC Core 1.46.0 (golazo).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
v1.46.0-pre1(Apr 18, 2022)

This is a prerelease of gRPC Core 1.46.0 (golazo).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.
Source code(tar.gz)
Source code(zip)
grpc_objective_c_plugin-1.46.0-pre1-macos-x86_64.zip(1.16 MB)
v1.45.2(Apr 8, 2022)
This is release 1.45.2 (gravity) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

Various fixes related to XDS (https://github.com/grpc/grpc/pull/29314, https://github.com/grpc/grpc/pull/29340, https://github.com/grpc/grpc/pull/29339)

HTTP2: Should not run cancelling logic on servers when receiving GOAWAY (https://github.com/grpc/grpc/pull/29307)

Source code(tar.gz)
Source code(zip)
v1.45.1(Apr 1, 2022)
This is release 1.45.1 (gravity) of gRPC Core.

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

Switched to epoll1 as a default polling engine for Linux (#29239)

Various fixes related to XDS (https://github.com/grpc/grpc/pull/29240, https://github.com/grpc/grpc/pull/29242, https://github.com/grpc/grpc/pull/29243, https://github.com/grpc/grpc/pull/29244, https://github.com/grpc/grpc/pull/29280)

Python

Revert "Remove GRPC_ENABLE_FORK_SUPPORT from setup.py" (#29230)

Source code(tar.gz)
Source code(zip)

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A high performance, open source, general-purpose RPC framework

GitHub https://grpc.io

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Releases(v1.49.2)

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Core

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