66 lines
2.4 KiB
Rust
66 lines
2.4 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any
|
|
// person obtaining a copy of this software and associated
|
|
// documentation files (the "Software"), to deal in the
|
|
// Software without restriction, including without
|
|
// limitation the rights to use, copy, modify, merge,
|
|
// publish, distribute, sublicense, and/or sell copies of
|
|
// the Software, and to permit persons to whom the Software
|
|
// is furnished to do so, subject to the following
|
|
// conditions:
|
|
//
|
|
// The above copyright notice and this permission notice
|
|
// shall be included in all copies or substantial portions
|
|
// of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
|
|
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
|
|
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
|
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
|
|
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
|
|
// IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
use std::net::SocketAddr;
|
|
|
|
use jsonrpsee::core::client::ClientT;
|
|
use jsonrpsee::http_client::HttpClient;
|
|
use jsonrpsee::rpc_params;
|
|
use jsonrpsee::server::{RpcModule, Server};
|
|
use tracing_subscriber::util::SubscriberInitExt;
|
|
|
|
#[tokio::main]
|
|
async fn main() -> anyhow::Result<()> {
|
|
let filter = tracing_subscriber::EnvFilter::try_from_default_env()?
|
|
.add_directive("jsonrpsee[method_call{name = \"say_hello\"}]=trace".parse()?);
|
|
tracing_subscriber::FmtSubscriber::builder().with_env_filter(filter).finish().try_init()?;
|
|
|
|
let server_addr = run_server().await?;
|
|
let url = format!("http://{}", server_addr);
|
|
|
|
let client = HttpClient::builder().build(url)?;
|
|
let params = rpc_params![1_u64, 2, 3];
|
|
let response: Result<String, _> = client.request("say_hello", params).await;
|
|
tracing::info!("r: {:?}", response);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
async fn run_server() -> anyhow::Result<SocketAddr> {
|
|
let server = Server::builder().build("127.0.0.1:0".parse::<SocketAddr>()?).await?;
|
|
let mut module = RpcModule::new(());
|
|
module.register_method("say_hello", |_, _, _| "lo")?;
|
|
|
|
let addr = server.local_addr()?;
|
|
let handle = server.start(module);
|
|
|
|
// In this example we don't care about doing shutdown so let's it run forever.
|
|
// You may use the `ServerHandle` to shut it down or manage it yourself.
|
|
tokio::spawn(handle.stopped());
|
|
|
|
Ok(addr)
|
|
}
|