use crate::primitives::string_bytes::{put_bytes, put_compact_bytes};
use crate::primitives::string_bytes_borrowed::{get_bytes_borrowed, get_compact_bytes_borrowed};
use crate::tagged_fields::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
use bytes::{BufMut, Bytes};
pub const API_KEY: i16 = 36;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 2;
pub const FLEXIBLE_MIN: i16 = 2;
#[inline]
fn is_flexible(version: i16) -> bool {
version >= FLEXIBLE_MIN
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct SaslAuthenticateRequest<'a> {
pub auth_bytes: &'a [u8],
pub unknown_tagged_fields: UnknownTaggedFields,
}
impl SaslAuthenticateRequest<'_> {
pub fn to_owned(&self) -> crate::owned::sasl_authenticate_request::SaslAuthenticateRequest {
crate::owned::sasl_authenticate_request::SaslAuthenticateRequest {
auth_bytes: Bytes::copy_from_slice(self.auth_bytes),
unknown_tagged_fields: self.unknown_tagged_fields.clone(),
}
}
}
impl Encode for SaslAuthenticateRequest<'_> {
fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::UnsupportedVersion {
api_key: API_KEY,
version,
});
}
let flex = is_flexible(version);
if version >= 0 {
if flex {
put_compact_bytes(buf, self.auth_bytes);
} else {
put_bytes(buf, self.auth_bytes);
}
}
if flex {
let tagged = WriteTaggedFields::new();
tagged.write(buf, &self.unknown_tagged_fields);
}
Ok(())
}
fn encoded_len(&self, version: i16) -> usize {
let flex = is_flexible(version);
let mut n: usize = 0;
if version >= 0 {
n += if flex {
crate::primitives::varint::uvarint_len(
u32::try_from((self.auth_bytes).len() + 1).unwrap(),
) + (self.auth_bytes).len()
} else {
4 + (self.auth_bytes).len()
};
}
if flex {
let known_pairs: Vec<(u32, usize)> = Vec::new();
n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
}
n
}
}
impl<'de> DecodeBorrow<'de> for SaslAuthenticateRequest<'de> {
fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
return Err(ProtocolError::UnsupportedVersion {
api_key: API_KEY,
version,
});
}
let flex = is_flexible(version);
let mut out = Self::default();
if version >= 0 {
out.auth_bytes = if flex {
get_compact_bytes_borrowed(buf)?
} else {
get_bytes_borrowed(buf)?
};
}
if flex {
out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
}
Ok(out)
}
}
#[cfg(test)]
impl SaslAuthenticateRequest<'_> {
#[must_use]
pub fn populated(version: i16) -> Self {
let mut m = Self::default();
if version >= 0 {
m.auth_bytes = &b"x"[..];
}
m
}
}