rustdns 0.6.0

A DNS parsing library
Documentation 
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use crate::Message;

#[cfg(feature = "doh")]
pub mod doh;

#[cfg(feature = "json")]
pub mod json;

#[cfg(feature = "tcp")]
pub mod tcp;

cfg_feature! {
    #![feature = "udp"]

    pub mod udp;
    mod resolver;
    pub use self::resolver::Resolver;
}

cfg_feature! {
    #![feature = "http_deps"]

    mod to_urls;

    pub use self::to_urls::ToUrls;
}

#[cfg(any(feature = "doh", feature = "json"))]
mod mime;

mod stats;

/// Exchanger takes a query and returns a response.
pub trait Exchanger {
    fn exchange(&self, query: &Message) -> Result<Message, crate::Error>;
}

use async_trait::async_trait;

#[async_trait]
pub trait AsyncExchanger {
    async fn exchange(&self, query: &Message) -> Result<Message, crate::Error>;
}

#[cfg(test)]
mod tests {
    use std::net::SocketAddr;

    #[test]
    fn clients_reject_empty_server_lists() {
        #[cfg(feature = "tcp")]
        assert!(super::tcp::Client::new(&[] as &[SocketAddr]).is_err());

        #[cfg(feature = "udp")]
        assert!(super::udp::Client::new(&[] as &[SocketAddr]).is_err());

        #[cfg(feature = "doh")]
        assert!(super::doh::Client::new(&[] as &[url::Url], http::Method::GET).is_err());

        #[cfg(feature = "json")]
        assert!(super::json::Client::new(&[] as &[url::Url]).is_err());
    }
}