Add basic NAT structures

virtweb_backend/src/nat/nat_definition.rs

@@ -0,0 +1,39 @@
+use std::net::{Ipv4Addr, Ipv6Addr};
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(tag = "type", rename_all = "lowercase")]
+pub enum NatSource<IPv> {
+    Interface { name: String },
+    Ip { ip: IPv },
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub enum NatProtocol {
+    TCP,
+    UDP,
+    Both,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(tag = "type", rename_all = "lowercase")]
+pub enum NatHostPort {
+    Single { port: u16 },
+    Range { start: u16, end: u16 },
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct Nat<IPv> {
+    pub protocol: NatProtocol,
+    pub host_addr: NatSource<IPv>,
+    pub host_port: NatHostPort,
+    pub guest_addr: IPv,
+    pub guest_port: u16,
+    pub comment: Option<String>,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, Default)]
+pub struct NetNat {
+    pub interface: String,
+    pub ipv4: Option<Vec<Nat<Ipv4Addr>>>,
+    pub ipv6: Option<Vec<Nat<Ipv6Addr>>>,
+}