jsonrpc-client-core
A crate for generating transport agnostic, auto serializing, strongly typed JSON-RPC 2.0 clients.
This crate mainly provides a macro, jsonrpc_client. The macro generates structs that can be
used for calling JSON-RPC 2.0 APIs. The macro lets you list methods on the struct with
arguments and a return type. The macro then generates a struct which will automatically
serialize the arguments, send the request and deserialize the response into the target type.
Transports
The jsonrpc-client-core crate itself and the structs generated by the jsonrpc_client macro
are transport agnostic. They can use any type implementing the Transport trait.
The main (and so far only) transport implementation is the Hyper based HTTP implementation
in the jsonrpc-client-http crate.
Example
#[macro_use]
extern crate jsonrpc_client_core;
extern crate jsonrpc_client_http;
use jsonrpc_client_http::HttpTransport;
jsonrpc_client!(pub struct FizzBuzzClient {
/// Returns the fizz-buzz string for the given number.
pub fn fizz_buzz(&mut self, number: u64) -> RpcRequest<String>;
});
fn main() {
let transport = HttpTransport::new().standalone().unwrap();
let transport_handle = transport
.handle("http://api.fizzbuzzexample.org/rpc/")
.unwrap();
let mut client = FizzBuzzClient::new(transport_handle);
let result1 = client.fizz_buzz(3).call().unwrap();
let result2 = client.fizz_buzz(4).call().unwrap();
let result3 = client.fizz_buzz(5).call().unwrap();
// Should print "fizz 4 buzz" if the server implemented the service correctly
println!("{} {} {}", result1, result2, result3);
}License: MIT/Apache-2.0
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