chore: move constants to mod.rs, format

easytier/src/dns/config/mod.rs

@@ -1,6 +1,29 @@
-mod constants;
-pub use constants::*;
+use crate::dns::utils::NameServerAddr;
+use hickory_proto::rr::LowerName;
+use hickory_proto::xfer::Protocol;
+use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
+use std::str::FromStr;
+use std::sync::LazyLock;
+use url::Url;
+
 mod dns;
 pub use dns::*;
 mod policy;
 mod zone;
+
+pub const DNS_DEFAULT_ADDRESS: NameServerAddr = NameServerAddr {
+    protocol: Protocol::Udp,
+    addr: SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(100, 100, 100, 101), 53)),
+};
+pub static DNS_DEFAULT_TLD: LazyLock<LowerName> =
+    LazyLock::new(|| LowerName::from_str("et.net.").unwrap());
+pub static DNS_SERVER_RPC_ADDR: LazyLock<Url> =
+    LazyLock::new(|| Url::parse("tcp://127.0.0.1:49813").unwrap());
+pub(super) static DNS_SUPPORTED_PROTOCOLS: [Protocol; 2] = [
+    Protocol::Udp,
+    Protocol::Tcp,
+    // Protocol::Tls,
+    // Protocol::Https,
+    // Protocol::Quic,
+    // Protocol::H3,
+];