Struct dhcproto::decoder::Decoder

pub struct Decoder<'a> { /* private fields */ }

Decoder type. Wraps a buffer which only contains bytes that have not been read yet

Implementations

impl<'a> Decoder<'a>

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

Create a new Decoder

pub fn peek_u8(&self) -> DecodeResult<u8>

peek at the next byte without advancing the internal pointer

pub fn read_u8(&mut self) -> DecodeResult<u8>

read a u8

pub fn read_u32(&mut self) -> DecodeResult<u32>

read a u32

pub fn read_i32(&mut self) -> DecodeResult<i32>

read a i32

pub fn read_u16(&mut self) -> DecodeResult<u16>

read a u16

pub fn read_u64(&mut self) -> DecodeResult<u64>

read a u64

pub fn read<const N: usize>(&mut self) -> DecodeResult<[u8; N]>

read a N bytes into slice

pub fn peek<const N: usize>(&self) -> DecodeResult<[u8; N]>

peek a N bytes into slice

pub fn read_cstring<const MAX: usize>( &mut self ) -> DecodeResult<Option<CString>>

read a MAX length bytes into nul terminated CString

pub fn read_nul_bytes<const MAX: usize>( &mut self ) -> DecodeResult<Option<Vec<u8>>>

pub fn read_nul_string<const MAX: usize>( &mut self ) -> DecodeResult<Option<String>>

read MAX length bytes and read into utf-8 encoded String

pub fn read_slice(&mut self, len: usize) -> DecodeResult<&'a [u8]>

read a slice of bytes determined at runtime

pub fn read_string(&mut self, len: usize) -> DecodeResult<String>

Read a utf-8 encoded String

pub fn read_str(&mut self, len: usize) -> DecodeResult<&str>

Read a utf-8 encoded String

pub fn read_ipv4(&mut self, length: usize) -> DecodeResult<Ipv4Addr>

Read an ipv4 addr

pub fn read_ipv4s(&mut self, length: usize) -> DecodeResult<Vec<Ipv4Addr>>

Read a list of ipv4 addrs

pub fn read_ipv6s(&mut self, length: usize) -> DecodeResult<Vec<Ipv6Addr>>

Read a list of ipv6 addrs

pub fn read_pair_ipv4s( &mut self, length: usize ) -> DecodeResult<Vec<(Ipv4Addr, Ipv4Addr)>>

Read a list of ipv4 pairs

pub fn read_domains(&mut self, length: usize) -> DecodeResult<Vec<Name>>

Read a list of domain Names

pub fn read_bool(&mut self) -> DecodeResult<bool>

Read a bool

pub fn buffer(&self) -> &[u8]

return slice of buffer start at index of unread data

Trait Implementations

impl<'a> Debug for Decoder<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.