GRPC 1.15.0 发布，Google 高性能 RPC 框架

内容简介：GRPC 1.15.0 已发布，GRPC 是一个高性能、开源、通用的 RPC 框架，面向移动和 HTTP/2 设计，是由谷歌发布的首款基于 Protocol Buffers 的 RPC 框架。 GRPC 基于 HTTP/2 标准设计，带来诸如双向流、流控、头部压缩...

GRPC 1.15.0 已发布，GRPC 是一个高性能、开源、通用的 RPC 框架，面向移动和 HTTP/2 设计，是由谷歌发布的首款基于 Protocol Buffers 的 RPC 框架。 GRPC 基于 HTTP/2 标准设计，带来诸如双向流、流控、头部压缩、单 TCP 连接上的多复用请求等特性。这些特性使得其在移动设备上表现更好，更省电且节省空间占用。

该版本包含优化、改进和 bug 修复，亮点包括：

Core

• Document SSL portability and performance considerations. 详情

• Simplify call arena size growth. (#16396)

• Make gRPC buildable with AIX and Solaris (no official support). (#15926)

• PF: Check connectivity state before watching. (#16306)

• Added system roots feature to load roots from OS trust store. (#16083)

• Fix c-ares compilation under windows (but doesn't yet enable windows DNS queries), and then enables address sorting on Windows. (#16163)

• Fix re-resolution in pick first. (#16076)

• Allow error strings in final_info to propagate to filters on call destruction. (#16104)

• Add resolver executor . (#16010)

• Data race fix for lockfree_event. (#16053)

• Channelz: Expose new Core API. (#16022)

C++

• cmake: disable assembly optimizations only when necessary. (#16415)

• C++ sync server: Return status RESOURCE_EXHAUSTED if no thread quota available. (#16356)

• Use correct target name for gflags-config.cmake. (#16343)

• Make should generate pkg-config file for gpr as well. (#15295)

• Restrict the number of threads in C++ sync server. (#16217)

• Allow reset of connection backoff. (#16225)

C#

• Add experimental support for Xamarin.Android and Xamarin.iOS, added Helloworld example for Xamarin. 详情

• Add experimental support for Unity Android and iOS. 详情

• Add server reflection tutorial. 详情

• Avoid deadlock while cancelling a call. (#16440)

• Subchannel sharing for secure channels now works as expected. (#16438)

• Allow dot in metadata keys. (#16444)

• Avoid shutdown crash on iOS. (#16308)

• Add script for creating a C# package for Unity. (#16208)

• Add Xamarin example. (#16194)

• Cleanup and update C# examples. (#16144)

• Grpc.Core: add support for x86 android emulator. (#16121)

• Xamarin iOS: Add libgrpc_csharp_ext.a for iOS into Grpc.Core nuget. (#16109)

• Xamarin support improvements . (#16099)

• Mark native callbacks with MonoPInvokeCallback. (#16094)

• Xamarin.Android: add support. (#15969)

Objective-C

• Make BoringSSL symbols private to gRPC in Obj-C so there is no conflict when linking with OpenSSL. (#16358)

• Use environment variable to enable CFStream. (#16261)

• Surface error_string to ObjC users. (#16271)

• Fix GRPCCall refcounting issue. (#16213)

Python

• Added support for client-side fork on Linux and Mac by setting the environment variable GRPC_ENABLE_FORK_SUPPORT=1. Applications may fork with active RPCs, as long as no user threads are currently invoking gRPC library methods. In-progress RPCs continue in the parent process, and the child process may use gRPC by creating new channels. (#16264)

• Improve Pypy compatibility. (#16364)

• Segmentation fault caused by channel.close() when used with connectivity-state subscriptions. (#16296)

• Add server reflection guide for Python. 详情

• Refresh pb2 files in examples/python/multiplex. (#16253)

• Adding python version environmental markers in the new style. (#16235)

• Add a matching _unwrap_grpc_arg. (#16197)

• Add Cython functionality to directly wrap grpc_arg. (#16192)

下载地址：

• Source code(zip)

• Source code(tar.gz)

【声明】文章转载自：开源中国社区 [http://www.oschina.net]

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