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