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#![deny(missing_docs)]
#![warn(rust_2018_idioms)]
#![doc(html_root_url = "https://docs.rs/amq-protocol-tcp/2.0.0-rc10/")]
use amq_protocol_uri::{AMQPScheme, AMQPUri};
use tcp_stream::TcpStream;
use trust_dns_resolver::Resolver;
use std::{
io,
net::SocketAddr,
};
pub trait AMQPUriTcpExt {
fn connect<S, F: FnOnce(TcpStream, AMQPUri) -> S>(self, f: F) -> io::Result<S>;
}
impl AMQPUriTcpExt for AMQPUri {
fn connect<S, F: FnOnce(TcpStream, AMQPUri) -> S>(self, f: F) -> io::Result<S> {
if let Some(ipaddr) = Resolver::default()?.lookup_ip(&self.authority.host)?.iter().next() {
let stream = TcpStream::connect(&SocketAddr::new(ipaddr, self.authority.port))?;
match self.scheme {
AMQPScheme::AMQP => Ok(stream),
AMQPScheme::AMQPS => stream.into_tls(&self.authority.host),
}.map(|s| f(s, self))
} else {
Err(io::Error::new(io::ErrorKind::AddrNotAvailable, format!("cannot resolve {}", &self.authority.host)))
}
}
}
impl AMQPUriTcpExt for &str {
fn connect<S, F: FnOnce(TcpStream, AMQPUri) -> S>(self, f: F) -> io::Result<S> {
self.parse::<AMQPUri>().map_err(|e| io::Error::new(io::ErrorKind::Other, e))?.connect(f)
}
}