proxy.golang.org : github.com/grpc-ecosystem/go-grpc-Middleware

`grpc_middleware` is a collection of gRPC middleware packages: interceptors, helpers and tools. gRPC is a fantastic RPC middleware, which sees a lot of adoption in the Golang world. However, the upstream gRPC codebase is relatively bare bones. This package, and most of its child packages provides commonly needed middleware for gRPC: client-side interceptors for retires, server-side interceptors for input validation and auth, functions for chaining said interceptors, metadata convenience methods and more. By default, gRPC doesn't allow one to have more than one interceptor either on the client nor on the server side. `grpc_middleware` provides convenient chaining methods Simple way of turning a multiple interceptors into a single interceptor. Here's an example for server chaining: These interceptors will be executed from left to right: logging, monitoring and auth. Here's an example for client side chaining: These interceptors will be executed from left to right: monitoring and then retry logic. The retry interceptor will call every interceptor that follows it whenever when a retry happens. Implementing your own interceptor is pretty trivial: there are interfaces for that. But the interesting bit exposing common data to handlers (and other middleware), similarly to HTTP Middleware design. For example, you may want to pass the identity of the caller from the auth interceptor all the way to the handling function. For example, a client side interceptor example for auth looks like: Unfortunately, it's not as easy for streaming RPCs. These have the `context.Context` embedded within the `grpc.ServerStream` object. To pass values through context, a wrapper (`WrappedServerStream`) is needed. For example:

Registry - Source - Documentation - JSON
purl: pkg:golang/github.com/grpc-ecosystem/go-grpc-%21middleware
Keywords: authentication , generic-functions , golang , grpc , interceptor , library , logging , middleware , retries , testing
License: Apache-2.0
Latest release: about 2 years ago
First release: about 7 years ago
Namespace: github.com/grpc-ecosystem
Stars: 5,272 on GitHub
Forks: 613 on GitHub
See more repository details: repos.ecosyste.ms
Last synced: 7 days ago

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