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 //! HTTP dns resolver module. 15 //! 16 //! This module defines the dns resolver trait accepted by http clients and 17 //! provides a default dns resolver implementation. 18 //! 19 //! - [`Resolver`]: The dns resolver trait, which users can implement to provide 20 //! a custom dns resolver. 21 //! 22 //! - [`DefaultDnsResolver`]: Default dns resolver. 23 24 mod default; 25 #[cfg(feature = "__c_openssl")] 26 mod doh; 27 mod happy_eyeballs; 28 mod resolver; 29 30 pub use default::DefaultDnsResolver; 31 #[cfg(feature = "__c_openssl")] 32 pub use doh::DohResolver; 33 pub(crate) use happy_eyeballs::{EyeBallConfig, HappyEyeballs}; 34 pub use resolver::{Addrs, Resolver, SocketFuture, StdError}; 35