update protobuf example

other/protobuf/.gitignore

@@ -0,0 +1,3 @@
+protobuf-python-3.11.2.zip
+protobuf-3.11.2/
+__pycache__/

other/protobuf/Cargo.toml

@@ -4,11 +4,10 @@ version = "1.0.0"
 edition = "2021"
 
 [dependencies]
-actix = "0.10"
-actix-protobuf = "0.6"
-actix-web = "3"
-
-bytes = "0.5.4"
+actix = "0.12"
+actix-protobuf = "0.7.0-beta.5"
+actix-web = "4.0.0-rc.3"
 env_logger = "0.9"
-prost = "0.6"
-prost-derive = "0.6"
+log = "0.4"
+prost = "0.9"
+prost-derive = "0.9"

other/protobuf/README.md

@@ -6,10 +6,6 @@
 
 ```shell
 cd other/protobuf
-# From workspace
-cargo run --bin protobuf-example
-
-# From ./protobuf
 cargo run
 ```
 
@@ -25,5 +21,6 @@ pip3 install --upgrade pip
 pip3 install aiohttp
 
 # Client
+cd ../..
 python3 client.py
 ```

other/protobuf/client.py

@@ -48,7 +48,7 @@ async def fetch(session):
     obj = test_pb2.MyObj()
     obj.number = 9
     obj.name = 'USB'
-    async with session.post('http://127.0.0.1:8081/', data=obj.SerializeToString(),
+    async with session.post('http://127.0.0.1:8080/', data=obj.SerializeToString(),
         headers={"content-type": "application/protobuf"}) as resp:
         print(resp.status)
         data = await resp.read()

other/protobuf/src/main.rs

@@ -14,22 +14,23 @@ pub struct MyObj {
 }
 
 async fn index(msg: ProtoBuf<MyObj>) -> Result<HttpResponse> {
-    println!("model: {:?}", msg);
+    log::info!("model: {:?}", msg);
     HttpResponse::Ok().protobuf(msg.0) // <- send response
 }
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    std::env::set_var("RUST_LOG", "actix_web=debug,actix_server=info");
-    env_logger::init();
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    log::info!("starting HTTP server at http://localhost:8080");
 
     HttpServer::new(|| {
         App::new()
-            .wrap(middleware::Logger::default())
             .service(web::resource("/").route(web::post().to(index)))
+            .wrap(middleware::Logger::default())
     })
-    .bind("127.0.0.1:8081")?
-    .shutdown_timeout(1)
+    .workers(1)
+    .bind(("127.0.0.1", 8080))?
     .run()
     .await
 }