Tonic framework
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A Rust implementation of gRPC, a high performance, open source, general RPC framework that puts mobile and HTTP/2 first. And it is a gRPC over HTTP/2 implementation focused on:
high performance
interoperability
flexibility
And the library was created to have first class support of async/await and to act as a core building block for production systems wriiten in Rust.
transport Enable the fully featured, batteries included client and serber implementation based on the , and crate. Enabled by default.
channel Enables just the full featured channel/client portion of the transport feature
codegen Enables all the required exports and optional dependencies required for tonic-build. Enabled by default.
tls Enables the rustls based TLS options for the transport feature. Not enabled by default.
tls-roots Adds system trust roots to rustls based gRPC client using the rustls-native-certs crate. Not enabled by default.
tls-webpki-roots Add the standard trust roots from the webpki-roots crate to rustls based gRPC clients. Not enabled by default.
Enables the prost based gRPC implementation
gzip Enables compressing requests, responses, and streams. Depends on flate2. Not enabled by default. Replaces the compression flag from earlier versions of tonic(<=0.7>).
Tower provides an abstraction layer, and generic implementation of various middleware. This menas that the tower crate on its own does not provide a working implementation of a network client ot server. Instead, Tower's Service trait provides an integration point between application code, libraries providing middleware implementations, and libraries that implement servers and/or clients for various network protocols.
Depending on your particulat use case, you might use Tower in several ways:
Implementing application logic for a networked program
Implementing middleware to add custom behavior to network clients and servers in a reusable manner
Implementing a network protocol