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src/config/network.rs; support interface comments, cleanups

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This commit is contained in:
Dietmar Maurer
2020-04-23 15:53:48 +02:00
parent 659c3be3d5
commit 5f60a58fd5
3 changed files with 73 additions and 27 deletions
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53
src/config/network/parser.rs
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@ -59,12 +59,12 @@ impl <R: BufRead> NetworkParser<R> {
}
}
fn eat(&mut self, expected: Token) -> Result<(), Error> {
let (next, _) = self.next()?;
fn eat(&mut self, expected: Token) -> Result<String, Error> {
let (next, text) = self.next()?;
if next != expected {
bail!("expected {:?}, got {:?}", expected, next);
}
Ok(())
Ok(text)
}
fn parse_auto(&mut self, auto_flag: &mut HashSet<String>) -> Result<(), Error> {
@ -150,12 +150,6 @@ impl <R: BufRead> NetworkParser<R> {
}
}
fn parse_iface_addon_attribute(&mut self, interface: &mut Interface) -> Result<(), Error> {
let option = self.parse_to_eol()?;
if !option.is_empty() { interface.push_addon_option(option) };
Ok(())
}
fn parse_iface_list(&mut self) -> Result<Vec<String>, Error> {
let mut list = Vec::new();
@ -175,13 +169,29 @@ impl <R: BufRead> NetworkParser<R> {
Ok(list)
}
fn parse_iface_attributes(&mut self, interface: &mut Interface) -> Result<(), Error> {
fn parse_iface_attributes(
&mut self,
interface: &mut Interface,
address_family_v4: bool,
address_family_v6: bool,
) -> Result<(), Error> {
loop {
match self.peek()? {
Token::Attribute => self.eat(Token::Attribute)?,
Token::Attribute => { self.eat(Token::Attribute)?; },
Token::Comment => {
let comment = self.eat(Token::Comment)?;
if !address_family_v4 && address_family_v6 {
interface.comments_v6.push(comment);
} else {
interface.comments_v4.push(comment);
}
self.eat(Token::Newline)?;
continue;
}
Token::Newline => break,
unexpected => bail!("unknown token {:?}", unexpected),
Token::EOF => break,
unexpected => bail!("unexpected token {:?} (expected iface attribute)", unexpected),
}
match self.peek()? {
@ -204,9 +214,17 @@ impl <R: BufRead> NetworkParser<R> {
interface.set_interface_type(NetworkInterfaceType::Bond)?;
}
Token::Netmask => bail!("netmask is deprecated and no longer supported"),
_ => {
self.parse_iface_addon_attribute(interface)?;
},
_ => { // parse addon attributes
let option = self.parse_to_eol()?;
if !option.is_empty() {
if !address_family_v4 && address_family_v6 {
interface.options_v6.push(option);
} else {
interface.options_v4.push(option);
}
};
},
}
}
@ -235,7 +253,6 @@ impl <R: BufRead> NetworkParser<R> {
}
}
let has_attributes = self.peek()? == Token::Attribute;
let config_method = config_method.unwrap_or(NetworkConfigMethod::Static);
if !(address_family_v4 || address_family_v6) {
@ -251,7 +268,7 @@ impl <R: BufRead> NetworkParser<R> {
interface.set_method_v6(config_method)?;
}
if has_attributes { self.parse_iface_attributes(&mut interface)?; }
self.parse_iface_attributes(&mut interface, address_family_v4, address_family_v6)?;
} else {
let mut interface = Interface::new(iface.clone());
if address_family_v4 {
@ -261,7 +278,7 @@ impl <R: BufRead> NetworkParser<R> {
interface.set_method_v6(config_method)?;
}
if has_attributes { self.parse_iface_attributes(&mut interface)?; }
self.parse_iface_attributes(&mut interface, address_family_v4, address_family_v6)?;
config.interfaces.insert(interface.name.clone(), interface);