From a166fc82f40cb7221195c90b9783ce8fe07cd051 Mon Sep 17 00:00:00 2001 From: ami44 Date: Sat, 30 Dec 2017 15:24:12 +0100 Subject: [PATCH] add json-rust example --- examples/json/Cargo.toml | 5 +++-- examples/json/README.md | 38 ++++++++++++++++++++++++++++++++++++++ examples/json/src/main.rs | 35 +++++++++++++++++++++++++++++++---- 3 files changed, 72 insertions(+), 6 deletions(-) create mode 100644 examples/json/README.md diff --git a/examples/json/Cargo.toml b/examples/json/Cargo.toml index 468b04900..7eb3155e7 100644 --- a/examples/json/Cargo.toml +++ b/examples/json/Cargo.toml @@ -11,6 +11,7 @@ env_logger = "*" serde = "1.0" serde_json = "1.0" serde_derive = "1.0" +json = "*" -actix = "^0.3.1" -actix-web = { git = "https://github.com/actix/actix-web.git" } +actix = "^0.3.5" +actix-web = { git = "https://github.com/actix/actix-web", features=["signal"] } diff --git a/examples/json/README.md b/examples/json/README.md new file mode 100644 index 000000000..3451ce87e --- /dev/null +++ b/examples/json/README.md @@ -0,0 +1,38 @@ +# json + +Json's `Getting Started` guide using json (serde-json or json-rust) for Actix web + +## Usage + +### server + +```bash +cd actix-web/examples/json +cargo run +# Started http server: 127.0.0.1:8080 +``` + +### client + +With [Postman](https://www.getpostman.com/) or [Rested](moz-extension://60daeb1c-5b1b-4afd-9842-0579ed34dfcb/dist/index.html) + +- POST / (embed serde-json): + + - method : ``POST`` + - url : ``http://127.0.0.1:8080/`` + - header : ``Content-Type`` = ``application/json`` + - body (raw) : ``{"name": "Test user", "number": 100}`` + +- POST /manual (manual serde-json): + + - method : ``POST`` + - url : ``http://127.0.0.1:8080/manual`` + - header : ``Content-Type`` = ``application/json`` + - body (raw) : ``{"name": "Test user", "number": 100}`` + +- POST /mjsonrust (manual json-rust): + + - method : ``POST`` + - url : ``http://127.0.0.1:8080/mjsonrust`` + - header : ``Content-Type`` = ``application/json`` + - body (raw) : ``{"name": "Test user", "number": 100}`` (you can also test ``{notjson}``) diff --git a/examples/json/src/main.rs b/examples/json/src/main.rs index c49bfa152..5b116fc6b 100644 --- a/examples/json/src/main.rs +++ b/examples/json/src/main.rs @@ -5,10 +5,16 @@ extern crate futures; extern crate env_logger; extern crate serde_json; #[macro_use] extern crate serde_derive; +#[macro_use] extern crate json; + use actix_web::*; use bytes::BytesMut; use futures::{Future, Stream}; +use json::JsonValue; + +use actix::Arbiter; +use actix::actors::signal::{ProcessSignals, Subscribe}; #[derive(Debug, Serialize, Deserialize)] struct MyObj { @@ -16,7 +22,7 @@ struct MyObj { number: i32, } -/// This handler uses `HttpRequest::json()` for loading json object. +/// This handler uses `HttpRequest::json()` for loading serde json object. fn index(mut req: HttpRequest) -> Box> { req.json() .from_err() // convert all errors into `Error` @@ -30,7 +36,7 @@ fn index(mut req: HttpRequest) -> Box> { const MAX_SIZE: usize = 262_144; // max payload size is 256k -/// This handler manually load request payload and parse json +/// This handler manually load request payload and parse serde json fn index_manual(mut req: HttpRequest) -> Box> { // readany() returns asynchronous stream of Bytes objects req.payload_mut().readany() @@ -52,27 +58,48 @@ fn index_manual(mut req: HttpRequest) -> Box(&body)?; Ok(httpcodes::HTTPOk.build().json(obj)?) // <- send response }) .responder() } +/// This handler manually load request payload and parse json-rust +fn index_mjsonrust(mut req: HttpRequest) -> Box> { + req.payload_mut().readany().concat2() + .from_err() + .and_then(|body| { + // body is loaded, now we can deserialize json-rust + let result = json::parse(std::str::from_utf8(&body).unwrap()); // return Result + let injson: JsonValue = match result { Ok(v) => v, Err(e) => object!{"err" => e.to_string() } }; + Ok(HttpResponse::build(StatusCode::OK) + .content_type("application/json") + .body(injson.dump()).unwrap()) + + }) + .responder() +} + fn main() { ::std::env::set_var("RUST_LOG", "actix_web=info"); let _ = env_logger::init(); let sys = actix::System::new("json-example"); - HttpServer::new(|| { + let addr = HttpServer::new(|| { Application::new() // enable logger .middleware(middleware::Logger::default()) .resource("/manual", |r| r.method(Method::POST).f(index_manual)) + .resource("/mjsonrust", |r| r.method(Method::POST).f(index_mjsonrust)) .resource("/", |r| r.method(Method::POST).f(index))}) .bind("127.0.0.1:8080").unwrap() + .shutdown_timeout(1) .start(); + let signals = Arbiter::system_registry().get::(); + signals.send(Subscribe(addr.subscriber())); + println!("Started http server: 127.0.0.1:8080"); let _ = sys.run(); }