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::{Client, Downloader};
19 use ylong_http_client::{HttpClientError, Request};
20
main() -> Result<(), HttpClientError>21 fn main() -> Result<(), HttpClientError> {
22 let mut handles = Vec::new();
23 for _ in 0..4 {
24 handles.push(ylong_runtime::spawn(async move {
25 let client = Client::new();
26 let request = Request::get("127.0.0.1:3000")
27 .body("".as_bytes())
28 .map_err(|e| HttpClientError::other(Some(e)))
29 .unwrap();
30 // Sends request and receives a `Response`.
31 let response = client.request(request).await.unwrap();
32
33 // Reads the body of `Response` by using `BodyReader`.
34 let _ = Downloader::console(response).download().await;
35 }))
36 }
37 for handle in handles {
38 let _ = ylong_runtime::block_on(handle);
39 }
40 Ok(())
41 }
42