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// Copyright (C) 2016 Benjamin Fry <benjaminfry@me.com> // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. //! Trait for client connections use std::io; use futures::Future; use trust_dns_proto::xfer::DnsClientStream; use trust_dns_proto::DnsStreamHandle; use error::*; /// Trait for client connections pub trait ClientConnection: Sized { /// The associated DNS Message stream type. type MessageStream: DnsClientStream + 'static; /// Return the inner Futures items /// /// Consumes the connection and allows for future based operations afterward. fn new_stream( &self, ) -> ClientResult<( Box<Future<Item = Self::MessageStream, Error = io::Error> + Send>, Box<DnsStreamHandle>, )>; }