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use std::sync::Arc;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use karyon_jsonrpc::{rpc_impl, Error, Server};
struct Calc {
version: String,
}
#[derive(Deserialize, Serialize)]
struct Req {
x: u32,
y: u32,
}
#[derive(Deserialize, Serialize)]
struct Pong {}
#[rpc_impl]
impl Calc {
async fn ping(&self, _params: Value) -> Result<Value, Error> {
Ok(serde_json::json!(Pong {}))
}
async fn add(&self, params: Value) -> Result<Value, Error> {
let params: Req = serde_json::from_value(params)?;
Ok(serde_json::json!(params.x + params.y))
}
async fn sub(&self, params: Value) -> Result<Value, Error> {
let params: Req = serde_json::from_value(params)?;
Ok(serde_json::json!(params.x - params.y))
}
async fn version(&self, _params: Value) -> Result<Value, Error> {
Ok(serde_json::json!(self.version))
}
}
#[tokio::main]
async fn main() {
env_logger::init();
// Register the Calc service
let calc = Calc {
version: String::from("0.1"),
};
// Creates a new server
let server = Server::builder("tcp://127.0.0.1:6000")
.expect("Create a new server builder")
.service(Arc::new(calc))
.build()
.await
.expect("start a new server");
// Start the server
server.start().await.unwrap();
}
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