feat: add __rpc

This commit is contained in:
2022-10-28 00:50:48 +08:00
parent 6873d68129
commit cb12afd2da
9 changed files with 1646 additions and 0 deletions

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use dubbo::codegen::Request;
use crate::sample::greeter_client::GreeterClient;
use crate::sample::GreeterRequest;
mod sample;
#[tokio::main]
async fn main() {
let mut cli = GreeterClient::new().with_uri("http://127.0.0.1:8888".to_string());
println!("# unary call");
let resp = cli
.greet(Request::new(GreeterRequest {
name: "message from client".to_string(),
}))
.await;
let resp = match resp {
Ok(resp) => resp,
Err(err) => return println!("{:?}", err),
};
let (_parts, body) = resp.into_parts();
println!("Response: {:?}", body);
}

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/// The request message containing the user's name.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct GreeterRequest {
#[prost(string, tag="1")]
pub name: ::prost::alloc::string::String,
}
/// The response message containing the greetings
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct GreeterReply {
#[prost(string, tag="1")]
pub message: ::prost::alloc::string::String,
}
/// Generated client implementations.
pub mod greeter_client {
#![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
use dubbo::codegen::*;
#[derive(Debug, Clone, Default)]
pub struct GreeterClient {
inner: TripleClient,
uri: String,
}
impl GreeterClient {
pub fn new() -> Self {
Self {
inner: TripleClient::new(),
uri: "".to_string(),
}
}
pub fn with_uri(mut self, uri: String) -> Self {
self.uri = uri.clone();
self.inner = self.inner.with_host(uri);
self
}
/// unary
pub async fn greet(
&mut self,
request: Request<super::GreeterRequest>,
) -> Result<Response<super::GreeterReply>, dubbo::status::Status> {
let codec = dubbo::codegen::ProstCodec::<
super::GreeterRequest,
super::GreeterReply,
>::default();
let path = http::uri::PathAndQuery::from_static(
"/org.apache.dubbo.sample.tri.Greeter/greet",
);
self.inner.unary(request, codec, path).await
}
}
}
/// Generated server implementations.
pub mod greeter_server {
#![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
use dubbo::codegen::*;
///Generated trait containing gRPC methods that should be implemented for use with GreeterServer.
#[async_trait]
pub trait Greeter: Send + Sync + 'static {
/// unary
async fn greet(
&self,
request: Request<super::GreeterRequest>,
) -> Result<Response<super::GreeterReply>, dubbo::status::Status>;
}
#[derive(Debug)]
pub struct GreeterServer<T: Greeter, I = TripleInvoker> {
inner: _Inner<T>,
invoker: Option<I>,
}
struct _Inner<T>(Arc<T>);
impl<T: Greeter, I> GreeterServer<T, I> {
pub fn new(inner: T) -> Self {
Self {
inner: _Inner(Arc::new(inner)),
invoker: None,
}
}
}
impl<T, I, B> Service<http::Request<B>> for GreeterServer<T, I>
where
T: Greeter,
B: Body + Send + 'static,
B::Error: Into<StdError> + Send + 'static,
I: Invoker + Send + 'static,
{
type Response = http::Response<BoxBody>;
type Error = std::convert::Infallible;
type Future = BoxFuture<Self::Response, Self::Error>;
fn poll_ready(
&mut self,
_cx: &mut Context<'_>,
) -> Poll<Result<(), Self::Error>> {
Poll::Ready(Ok(()))
}
fn call(&mut self, req: http::Request<B>) -> Self::Future {
let inner = self.inner.clone();
match req.uri().path() {
"/org.apache.dubbo.sample.tri.Greeter/greet" => {
#[allow(non_camel_case_types)]
struct greetServer<T: Greeter> {
inner: _Inner<T>,
}
impl<T: Greeter> UnarySvc<super::GreeterRequest> for greetServer<T> {
type Response = super::GreeterReply;
type Future = BoxFuture<
Response<Self::Response>,
dubbo::status::Status,
>;
fn call(
&mut self,
request: Request<super::GreeterRequest>,
) -> Self::Future {
let inner = self.inner.0.clone();
let fut = async move { inner.greet(request).await };
Box::pin(fut)
}
}
let fut = async move {
let mut server = TripleServer::new(
dubbo::codegen::ProstCodec::<
super::GreeterReply,
super::GreeterRequest,
>::default(),
);
let res = server.unary(greetServer { inner }, req).await;
Ok(res)
};
Box::pin(fut)
}
_ => {
Box::pin(async move {
Ok(
http::Response::builder()
.status(200)
.header("grpc-status", "12")
.header("content-type", "application/grpc")
.body(empty_body())
.unwrap(),
)
})
}
}
}
}
impl<T: Greeter, I: Invoker + Send + 'static> Clone for GreeterServer<T, I> {
fn clone(&self) -> Self {
let inner = self.inner.clone();
Self { inner, invoker: None }
}
}
impl<T: Greeter> Clone for _Inner<T> {
fn clone(&self) -> Self {
Self(self.0.clone())
}
}
impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{:?}", self.0)
}
}
pub fn register_server<T: Greeter>(server: T) {
let s = GreeterServer::<_, TripleInvoker>::new(server);
dubbo::protocol::triple::TRIPLE_SERVICES
.write()
.unwrap()
.insert(
"org.apache.dubbo.sample.tri.Greeter".to_string(),
dubbo::utils::boxed_clone::BoxCloneService::new(s),
);
}
}

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use dubbo::codegen::{Request, Response};
use dubbo::Dubbo;
use dubbo_config::RootConfig;
use crate::sample::greeter_server::{Greeter, register_server};
use crate::sample::{GreeterReply, GreeterRequest};
mod sample;
#[tokio::main]
async fn main() {
register_server(GreeterServerImpl {
name: "greeter".to_string(),
});
Dubbo::new()
.with_config({
let r = RootConfig::new();
match r.load() {
Ok(config) => config,
Err(_err) => panic!("err: {:?}", _err), // response was droped
}
})
.start()
.await;
}
#[allow(dead_code)]
#[derive(Default, Clone)]
struct GreeterServerImpl {
name: String,
}
#[async_trait::async_trait]
impl Greeter for GreeterServerImpl {
async fn greet(
&self,
request: Request<GreeterRequest>,
) -> Result<Response<GreeterReply>, dubbo::status::Status> {
println!("GreeterServer::greet {:?}", request.metadata);
Ok(Response::new(GreeterReply {
message: "hello, dubbo-rust".to_string(),
}))
}
}