1 // Copyright (c) 2023 Huawei Device Co., Ltd. 2 // Licensed under the Apache License, Version 2.0 (the "License"); 3 // you may not use this file except in compliance with the License. 4 // You may obtain a copy of the License at 5 // 6 // http://www.apache.org/licenses/LICENSE-2.0 7 // 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 //! This is a simple asynchronous HTTP client example using the 15 //! ylong_http_client crate. It demonstrates creating a client, making a 16 //! request, and reading the response asynchronously. 17 18 use ylong_http_client::async_impl::{Body, ClientBuilder, Downloader, Request}; 19 use ylong_http_client::{HttpClientError, Proxy}; 20 21 #[tokio::main] 22 async fn main() -> Result<(), HttpClientError> { 23 // Creates a `async_impl::Client` 24 let client = ClientBuilder::new() 25 .proxy(Proxy::all("http://proxy.example.com").build()?) 26 .build()?; 27 // Creates a `Request`. 28 let request = Request::builder() 29 .url("http://127.0.0.1:3000") 30 .body(Body::empty())?; 31 32 // Sends request and receives a `Response`. 33 let response = client.request(request).await?; 34 // Reads the body of `Response` by using `BodyReader`. 35 let _ = Downloader::console(response).download().await; 36 Ok(()) 37 } 38