40 stable releases (13 major)

✓ Uses Rust 2018 edition

13.2.0 Sep 13, 2019
13.0.0 Jul 29, 2019
12.2.0 Jul 30, 2019
11.0.0 Apr 3, 2019
0.2.0 Jan 19, 2016

#2 in HTTP server

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48,681 downloads per month
Used in 72 crates (43 directly)

MIT license

60KB
1.5K SLoC

jsonrpc-core

Transport agnostic rust implementation of JSON-RPC 2.0 Specification.

Documentation

  • - server side
  • - client side

Example

Cargo.toml

[dependencies]
jsonrpc-core = "4.0"

main.rs

use jsonrpc_core::*;

fn main() {
	let mut io = IoHandler::default();
	io.add_method("say_hello", |_params: Params| {
		Ok(Value::String("hello".into()))
	});

	let request = r#"{"jsonrpc": "2.0", "method": "say_hello", "params": [42, 23], "id": 1}"#;
	let response = r#"{"jsonrpc":"2.0","result":"hello","id":1}"#;

	assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
}

Asynchronous responses

main.rs

use jsonrpc_core::*;
use jsonrpc_core::futures::Future;

fn main() {
	let io = IoHandler::new();
	io.add_async_method("say_hello", |_params: Params| {
		futures::finished(Value::String("hello".into()))
	});

	let request = r#"{"jsonrpc": "2.0", "method": "say_hello", "params": [42, 23], "id": 1}"#;
	let response = r#"{"jsonrpc":"2.0","result":"hello","id":1}"#;

	assert_eq!(io.handle_request(request).wait().unwrap(), Some(response.to_owned()));
}

Publish-Subscribe

See examples directory.

Dependencies

~1.6–2.1MB
~46K SLoC