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 HTTPS client example.
15
16 use ylong_http_client::async_impl::{Body, Client, Downloader, Request};
17 use ylong_http_client::{Certificate, HttpClientError, Redirect, TlsVersion};
18
main()19 fn main() {
20 let rt = tokio::runtime::Builder::new_multi_thread()
21 .enable_all()
22 .build()
23 .expect("Tokio runtime build err.");
24 let mut v = vec![];
25 for _i in 0..3 {
26 let handle = rt.spawn(req());
27 v.push(handle);
28 }
29
30 rt.block_on(async move {
31 for h in v {
32 let _ = h.await;
33 }
34 });
35 }
36
req() -> Result<(), HttpClientError>37 async fn req() -> Result<(), HttpClientError> {
38 let v = "some certs".as_bytes();
39 let cert = Certificate::from_pem(v)?;
40
41 // Creates a `async_impl::Client`
42 let client = Client::builder()
43 .redirect(Redirect::default())
44 .tls_built_in_root_certs(false) // not use root certs
45 .danger_accept_invalid_certs(true) // not verify certs
46 .max_tls_version(TlsVersion::TLS_1_2)
47 .min_tls_version(TlsVersion::TLS_1_2)
48 .add_root_certificate(cert)
49 .build()?;
50
51 // Creates a `Request`.
52 let request = Request::builder()
53 .url("https://www.example.com")
54 .body(Body::empty())?;
55
56 // Sends request and receives a `Response`.
57 let response = client.request(request).await?;
58
59 println!("{}", response.status().as_u16());
60 println!("{}", response.headers());
61
62 // Reads the body of `Response` by using `BodyReader`.
63 let _ = Downloader::console(response).download().await;
64 Ok(())
65 }
66