port: self.config.port,

    port: u16,

        let mut it = self.addr.split(':');
        let addr = it.next().unwrap();
        let port = it.next().unwrap_or("22").parse().unwrap();
        match thrussh_keys::check_known_hosts_path(addr, port, server_public_key, &self.known_hosts)
        {

        debug!("addr = {:?} port = {:?}", self.addr, self.port);
        match thrussh_keys::check_known_hosts_path(
            &self.addr,
            self.port,
            server_public_key,
            &self.known_hosts,
        ) {

                    match learn(addr, port, server_public_key) {

                    match learn(&self.addr, self.port, server_public_key) {

            f = std::fs::File::create(&path_)?;

            f.set_len(0)?;

                    f = std::fs::File::create(&path_)?;