rustls 0.5.0

Rustls is a modern TLS library written in Rust.
Documentation 
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use msgs::codec;
use msgs::codec::{Codec, Reader};

/// An externally length'd payload
#[derive(Debug, Clone, PartialEq)]
pub struct Payload(pub Vec<u8>);

impl Codec for Payload {
  fn encode(&self, bytes: &mut Vec<u8>) {
    bytes.extend_from_slice(&self.0);
  }

  fn read(r: &mut Reader) -> Option<Payload> {
    Some(Payload(r.rest().to_vec()))
  }
}

impl Payload {
  pub fn new(bytes: Vec<u8>) -> Payload {
    Payload(bytes)
  }

  pub fn empty() -> Payload {
    Payload::new(Vec::new())
  }

  pub fn len(&self) -> usize { self.0.len() }
}

/// An arbitrary, unknown-content, u24-length-prefixed payload
#[derive(Debug, Clone, PartialEq)]
pub struct PayloadU24(pub Vec<u8>);

impl PayloadU24 {
  pub fn new(bytes: Vec<u8>) -> PayloadU24 {
    PayloadU24(bytes)
  }

  pub fn len(&self) -> usize { self.0.len() }
}

impl Codec for PayloadU24 {
  fn encode(&self, bytes: &mut Vec<u8>) {
    codec::encode_u24(self.0.len() as u32, bytes);
    bytes.extend_from_slice(&self.0);
  }

  fn read(r: &mut Reader) -> Option<PayloadU24> {
    let len = try_ret!(codec::read_u24(r)) as usize;
    let sub = try_ret!(r.sub(len));
    let body = sub.rest().to_vec();
    Some(PayloadU24(body))
  }
}

/// An arbitrary, unknown-content, u16-length-prefixed payload
#[derive(Debug, Clone, PartialEq)]
pub struct PayloadU16(pub Vec<u8>);

impl PayloadU16 {
  pub fn new(bytes: Vec<u8>) -> PayloadU16 {
    PayloadU16(bytes)
  }

  pub fn len(&self) -> usize { self.0.len() }
}

impl Codec for PayloadU16 {
  fn encode(&self, bytes: &mut Vec<u8>) {
    codec::encode_u16(self.0.len() as u16, bytes);
    bytes.extend_from_slice(&self.0);
  }

  fn read(r: &mut Reader) -> Option<PayloadU16> {
    let len = try_ret!(codec::read_u16(r)) as usize;
    let sub = try_ret!(r.sub(len));
    let body = sub.rest().to_vec();
    Some(PayloadU16(body))
  }
}

/// An arbitrary, unknown-content, u8-length-prefixed payload
#[derive(Debug, Clone, PartialEq)]
pub struct PayloadU8(pub Vec<u8>);

impl PayloadU8 {
  pub fn new(bytes: Vec<u8>) -> PayloadU8 {
    PayloadU8(bytes)
  }

  pub fn len(&self) -> usize { self.0.len() }
}

impl Codec for PayloadU8 {
  fn encode(&self, bytes: &mut Vec<u8>) {
    codec::encode_u8(self.0.len() as u8, bytes);
    bytes.extend_from_slice(&self.0);
  }

  fn read(r: &mut Reader) -> Option<PayloadU8> {
    let len = try_ret!(codec::read_u8(r)) as usize;
    let sub = try_ret!(r.sub(len));
    let body = sub.rest().to_vec();
    Some(PayloadU8(body))
  }
}