Struct Reader 

struct Reader<'a> {
    buf: &'a [u8],
}

Bounds-checked cursor over an untrusted packet.

Fields

buf: &'a [u8]

Implementations

impl<'a> Reader<'a>

fn new(buf: &'a [u8]) -> Self

Wrap a packet slice at position 0.

fn take(&mut self, len: usize) -> Option<&'a [u8]>

Consume the next len bytes.

fn u8(&mut self) -> Option<u8>

Next byte, None once the buffer ends.

fn u16(&mut self) -> Option<u16>

Next big-endian u16.

fn u32(&mut self) -> Option<u32>

Next big-endian u32.

fn ipv4(&mut self) -> Option<Ipv4Address>

Next four bytes as an IPv4 address.