camel-component-grpc

gRPC component for rust-camel (dynamic producer)

Overview

camel-component-grpc provides a dynamic gRPC producer for rust-camel, using runtime proto resolution to call gRPC methods without compile-time code generation.

Features

Dynamic gRPC producer (no codegen required at compile time)
JSON in → gRPC call → JSON out
Proto files resolved at runtime via camel-proto-compiler
Raw bytes codec for transparent serialization
Header forwarding from Exchange to gRPC metadata
Feature-gated behind grpc feature in camel-cli

Installation

Enable grpc in camel-cli:

# Cargo.toml for camel-cli
camel-cli = { version = "*", features = ["grpc"] }

URI Format

grpc://host:port/package.Service/Method?protoFile=path.proto

Parameters

Parameter	Default	Description
`protoFile`	required	Path to `.proto` file
`reflection`	false	(v2) gRPC reflection
`tls`	false	(v2) TLS support
`deadline_ms`	none	Request deadline
`metadata`	none	Static metadata headers

Usage

// In Camel.toml
[default.components.grpc]

// In route
let route = RouteBuilder::from("timer:tick?period=5000")
    .set_body(Body::Json(json!({"name": "World"})))
    .to("grpc://localhost:50051/helloworld.Greeter/SayHello?protoFile=protos/helloworld.proto")
    .to("log:grpc-response")
    .build()?;

License

Apache-2.0

camel-component-grpc 0.7.6