Updates

reference_jsonrpsee_crate_examples/http.rs

@@ -0,0 +1,65 @@
+// 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)
+}