crabka-protocol 0.1.2

Apache Kafka wire-protocol codec (4.3.0), with typed RecordBatch and zero-copy borrowed decode
Documentation 
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// AUTO-GENERATED by crabka-protocol-codegen against a9ce3221537b8653448750697915607dc7936cf3. Do not edit.

use bytes::{Bytes, BufMut};

use crate::primitives::fixed::{get_bool, get_i32, get_i8, put_bool, put_i32, put_i8};
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::{read_tagged_fields, tagged_fields_len, WriteTaggedFields};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};

pub const API_KEY: i16 = 72;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 0;
pub const FLEXIBLE_MIN: i16 = 0;

#[inline]
fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct PushTelemetryRequest<'a> {
    pub client_instance_id: crate::primitives::uuid::Uuid,
    pub subscription_id: i32,
    pub terminating: bool,
    pub compression_type: i8,
    pub metrics: &'a [u8],
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl<'a> Default for PushTelemetryRequest<'a> {
    fn default() -> Self {
        Self {
            client_instance_id: Default::default(),
            subscription_id: 0i32,
            terminating: false,
            compression_type: 0i8,
            metrics: &[],
            unknown_tagged_fields: Default::default(),
        }
    }
}

impl<'a> PushTelemetryRequest<'a> {
    pub fn to_owned(&self) -> crate::owned::push_telemetry_request::PushTelemetryRequest {
        crate::owned::push_telemetry_request::PushTelemetryRequest {
            client_instance_id: (self.client_instance_id),
            subscription_id: (self.subscription_id),
            terminating: (self.terminating),
            compression_type: (self.compression_type),
            metrics: Bytes::copy_from_slice(self.metrics),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}

impl<'a> Encode for PushTelemetryRequest<'a> {
    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 { crate::primitives::uuid::put_uuid(buf, self.client_instance_id) }
        if version >= 0 { put_i32(buf, self.subscription_id) }
        if version >= 0 { put_bool(buf, self.terminating) }
        if version >= 0 { put_i8(buf, self.compression_type) }
        if version >= 0 { if flex { put_compact_bytes(buf, self.metrics) } else { put_bytes(buf, self.metrics) } }
        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 += 16; }
        if version >= 0 { n += 4; }
        if version >= 0 { n += 1; }
        if version >= 0 { n += 1; }
        if version >= 0 { n += if flex { crate::primitives::varint::uvarint_len(u32::try_from((self.metrics).len() + 1).unwrap()) + (self.metrics).len() } else { 4 + (self.metrics).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 PushTelemetryRequest<'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.client_instance_id = crate::primitives::uuid::get_uuid(buf)?; }
        if version >= 0 { out.subscription_id = get_i32(buf)?; }
        if version >= 0 { out.terminating = get_bool(buf)?; }
        if version >= 0 { out.compression_type = get_i8(buf)?; }
        if version >= 0 { out.metrics = 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)
    }
}