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use std::net::SocketAddr;
use std::sync::Arc;
use trust_dns_proto::udp::UdpClientStream;
use trust_dns_proto::xfer::{
DnsExchange, DnsExchangeConnect, DnsMultiplexer, DnsMultiplexerConnect, DnsRequestSender,
DnsRequestStreamHandle,
};
use client::ClientConnection;
use error::*;
use rr::dnssec::Signer;
#[derive(Clone)]
pub struct UdpClientConnection {
name_server: SocketAddr,
}
impl UdpClientConnection {
pub fn new(name_server: SocketAddr) -> ClientResult<Self> {
Ok(UdpClientConnection { name_server })
}
}
impl ClientConnection for UdpClientConnection {
type Sender = DnsMultiplexer<UdpClientStream, Signer>;
type Response = <Self::Sender as DnsRequestSender>::DnsResponseFuture;
type SenderFuture = DnsMultiplexerConnect<UdpClientStream, Signer>;
fn new_stream(
&self,
signer: Option<Arc<Signer>>,
) -> (
DnsExchangeConnect<Self::SenderFuture, Self::Sender, Self::Response>,
DnsRequestStreamHandle<Self::Response>,
) {
let (udp_client_stream, handle) = UdpClientStream::new(self.name_server);
let mp = DnsMultiplexer::new(Box::new(udp_client_stream), handle, signer);
DnsExchange::connect(mp)
}
}