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.

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 thesrc/cpp directory
C#/.NET: NuGet packagesGrpc.Net.Client,Grpc.AspNetCore.Server
Dart: pub packagegrpc
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/grpc-js
Objective-C: AddgRPC-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 thedocumentation section on the grpc.io website. Code examples are available in theexamples directory.

Precompiled bleeding-edge package builds of gRPCmaster branch'sHEAD are uploaded daily topackages.grpc.io.

To start developing gRPC

Contributions are welcome!

Please readHow 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 theTroubleshooting guide if you are experiencing issues with gRPC.

Performance

See thePerformance dashboard for performance numbers of master branch daily builds.

Concepts

SeegRPC Concepts

About This Repository

This repository contains source code for gRPC libraries implemented in multiple languages written on top of a shared C++ core librarysrc/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
Swift	grpc-swift

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