src/config/network.rs: parse bridge-ports

src/config/network.rs

@@ -33,6 +33,7 @@ impl Interface {
             options_v4: Vec::new(),
             options_v6: Vec::new(),
             mtu: None,
+            bridge_ports: None,
         }
     }
 
@@ -100,9 +101,24 @@ impl Interface {
 
     /// Write attributes not dependening on address family
     fn write_iface_attributes(&self, w: &mut dyn Write) -> Result<(), Error> {
+
+        match self.interface_type {
+            NetworkInterfaceType::Bridge => {
+                if let Some(ref ports) = self.bridge_ports {
+                    if ports.is_empty() {
+                        writeln!(w, "    bridge-ports none")?;
+                    } else {
+                        writeln!(w, "    bridge-ports {}", ports.join(" "))?;
+                    }
+                }
+            }
+            _ => {}
+        }
+
         if let Some(mtu) = self.mtu {
             writeln!(w, "    mtu {}", mtu)?;
         }
+
         Ok(())
     }
 
@@ -161,6 +177,7 @@ impl Interface {
                 gateway_v4: _gateway_v4,
                 gateway_v6: _gateway_v6,
                 mtu: _mtu,
+                bridge_ports: _bridge_ports,
             } => {
                 method_v4 == method_v6
                     && options_v4.is_empty()

src/config/network/lexer.rs

@@ -22,6 +22,7 @@ pub enum Token {
     Static,
     Attribute,
     MTU,
+    BridgePorts,
     EOF,
 }
 
@@ -40,6 +41,8 @@ lazy_static! {
         map.insert("netmask", Token::Netmask);
         map.insert("static", Token::Static);
         map.insert("mtu", Token::MTU);
+        map.insert("bridge-ports", Token::BridgePorts);
+        map.insert("bridge_ports", Token::BridgePorts);
         map
     };
 }

src/config/network/parser.rs

@@ -156,6 +156,24 @@ impl <R: BufRead> NetworkParser<R> {
         Ok(())
     }
 
+    fn parse_iface_list(&mut self) -> Result<Vec<String>, Error> {
+        let mut list = Vec::new();
+
+        loop {
+            let (token, text) = self.next()?;
+            match token {
+                Token::Newline => break,
+                Token::Text => {
+                    if &text != "none" {
+                        list.push(text);
+                    }
+                }
+                _ => bail!("unable to parse interface list - unexpected token '{:?}'", token),
+            }
+        }
+
+        Ok(list)
+    }
     fn parse_iface_attributes(&mut self, interface: &mut Interface) -> Result<(), Error> {
 
         loop {
@@ -172,6 +190,12 @@ impl <R: BufRead> NetworkParser<R> {
                     let mtu = self.parse_iface_mtu()?;
                     interface.mtu = Some(mtu);
                 }
+                Token::BridgePorts => {
+                    self.eat(Token::BridgePorts)?;
+                    let ports = self.parse_iface_list()?;
+                    interface.bridge_ports = Some(ports);
+                    interface.interface_type = NetworkInterfaceType::Bridge;
+                }
                 Token::Netmask => bail!("netmask is deprecated and no longer supported"),
                 _ => {
                     self.parse_iface_addon_attribute(interface)?;