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//! Types and traits for SSL adaptors. pub use priv_io::Stream; use std::error::Error; use std::io::prelude::*; use std::fmt; #[cfg(feature = "openssl")] mod openssl; #[cfg(feature = "security-framework")] mod security_framework; /// A trait implemented by SSL adaptors. pub trait StreamWrapper: fmt::Debug + Read + Write + Send { /// Returns a reference to the underlying `Stream`. fn get_ref(&self) -> &Stream; /// Returns a mutable reference to the underlying `Stream`. fn get_mut(&mut self) -> &mut Stream; } /// A trait implemented by types that can negotiate SSL over a Postgres stream. /// /// If the `openssl` Cargo feature is enabled, this trait will be implemented /// for `openssl::ssl::SslContext`. /// /// If the `security-framework` Cargo feature is enabled, this trait will be /// implemented for `security_framework::secure_transport::ClientBuilder`. pub trait NegotiateSsl: fmt::Debug { /// Negotiates an SSL session, returning a wrapper around the provided /// stream. /// /// The host portion of the connection parameters is provided for hostname /// verification. fn negotiate_ssl(&self, host: &str, stream: Stream) -> Result<Box<StreamWrapper>, Box<Error + Sync + Send>>; }