crabka-protocol 0.3.2

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

use bytes::{Buf, BufMut};

use crate::primitives::fixed::{get_i64, put_i64};
use crate::primitives::string_bytes::{
    compact_nullable_string_len, compact_string_len, get_compact_nullable_string_owned,
    get_compact_string_owned, get_nullable_string_owned, get_string_owned, nullable_string_len,
    put_compact_nullable_string, put_compact_string, put_nullable_string, put_string, string_len,
};
use crate::tagged_fields::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
use crate::{Decode, Encode, ProtocolError, UnknownTaggedFields};

pub const API_KEY: i16 = 38;
pub const MIN_VERSION: i16 = 1;
pub const MAX_VERSION: i16 = 3;
pub const FLEXIBLE_MIN: i16 = 2;

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

#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct CreateDelegationTokenRequest {
    pub owner_principal_type: Option<String>,
    pub owner_principal_name: Option<String>,
    pub renewers: Vec<CreatableRenewers>,
    pub max_lifetime_ms: i64,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for CreateDelegationTokenRequest {
    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 >= 3 {
            if flex {
                put_compact_nullable_string(buf, self.owner_principal_type.as_deref());
            } else {
                put_nullable_string(buf, self.owner_principal_type.as_deref());
            }
        }
        if version >= 3 {
            if flex {
                put_compact_nullable_string(buf, self.owner_principal_name.as_deref());
            } else {
                put_nullable_string(buf, self.owner_principal_name.as_deref());
            }
        }
        if version >= 0 {
            {
                crate::primitives::array::put_array_len(buf, (self.renewers).len(), flex);
                for it in &self.renewers {
                    it.encode(buf, version)?;
                }
            }
        }
        if version >= 0 {
            put_i64(buf, self.max_lifetime_ms);
        }
        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 >= 3 {
            n += if flex {
                compact_nullable_string_len(self.owner_principal_type.as_deref())
            } else {
                nullable_string_len(self.owner_principal_type.as_deref())
            };
        }
        if version >= 3 {
            n += if flex {
                compact_nullable_string_len(self.owner_principal_name.as_deref())
            } else {
                nullable_string_len(self.owner_principal_name.as_deref())
            };
        }
        if version >= 0 {
            n += {
                let prefix =
                    crate::primitives::array::array_len_prefix_len((self.renewers).len(), flex);
                let body: usize = (self.renewers)
                    .iter()
                    .map(|it| it.encoded_len(version))
                    .sum();
                prefix + body
            };
        }
        if version >= 0 {
            n += 8;
        }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}
impl Decode<'_> for CreateDelegationTokenRequest {
    fn decode<B: Buf>(buf: &mut B, 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 >= 3 {
            out.owner_principal_type = if flex {
                get_compact_nullable_string_owned(buf)?
            } else {
                get_nullable_string_owned(buf)?
            };
        }
        if version >= 3 {
            out.owner_principal_name = if flex {
                get_compact_nullable_string_owned(buf)?
            } else {
                get_nullable_string_owned(buf)?
            };
        }
        if version >= 0 {
            out.renewers = {
                let n = crate::primitives::array::get_array_len(buf, flex)?;
                let mut v = Vec::with_capacity(n);
                for _ in 0..n {
                    v.push(CreatableRenewers::decode(buf, version)?);
                }
                v
            };
        }
        if version >= 0 {
            out.max_lifetime_ms = get_i64(buf)?;
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl CreateDelegationTokenRequest {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 3 {
            m.owner_principal_type = Some("x".to_string());
        }
        if version >= 3 {
            m.owner_principal_name = Some("x".to_string());
        }
        if version >= 0 {
            m.renewers = vec![CreatableRenewers::populated(version)];
        }
        if version >= 0 {
            m.max_lifetime_ms = 1i64;
        }
        m
    }
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct CreatableRenewers {
    pub principal_type: String,
    pub principal_name: String,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for CreatableRenewers {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 2;
        if version >= 0 {
            if flex {
                put_compact_string(buf, &self.principal_type);
            } else {
                put_string(buf, &self.principal_type);
            }
        }
        if version >= 0 {
            if flex {
                put_compact_string(buf, &self.principal_name);
            } else {
                put_string(buf, &self.principal_name);
            }
        }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = version >= 2;
        let mut n: usize = 0;
        if version >= 0 {
            n += if flex {
                compact_string_len(&self.principal_type)
            } else {
                string_len(&self.principal_type)
            };
        }
        if version >= 0 {
            n += if flex {
                compact_string_len(&self.principal_name)
            } else {
                string_len(&self.principal_name)
            };
        }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}
impl Decode<'_> for CreatableRenewers {
    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
        let flex = version >= 2;
        let mut out = Self::default();
        if version >= 0 {
            out.principal_type = if flex {
                get_compact_string_owned(buf)?
            } else {
                get_string_owned(buf)?
            };
        }
        if version >= 0 {
            out.principal_name = if flex {
                get_compact_string_owned(buf)?
            } else {
                get_string_owned(buf)?
            };
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl CreatableRenewers {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.principal_type = "x".to_string();
        }
        if version >= 0 {
            m.principal_name = "x".to_string();
        }
        m
    }
}

/// Default JSON payload matching `Self::default()` for JVM oracle differential testing.
/// Only includes fields valid for the given version.
#[must_use]
#[allow(unused_comparisons)]
pub fn default_json(version: i16) -> ::serde_json::Value {
    let mut obj = ::serde_json::Map::new();
    if version >= 3 {
        obj.insert("ownerPrincipalType".to_string(), ::serde_json::Value::Null);
    }
    if version >= 3 {
        obj.insert("ownerPrincipalName".to_string(), ::serde_json::Value::Null);
    }
    obj.insert("renewers".to_string(), ::serde_json::Value::Array(vec![]));
    obj.insert("maxLifetimeMs".to_string(), ::serde_json::json!(0));
    ::serde_json::Value::Object(obj)
}

impl crate::ProtocolRequest for CreateDelegationTokenRequest {
    const API_KEY: i16 = API_KEY;
    const MIN_VERSION: i16 = MIN_VERSION;
    const MAX_VERSION: i16 = MAX_VERSION;
    const FLEXIBLE_MIN: i16 = FLEXIBLE_MIN;
    type Response = super::create_delegation_token_response::CreateDelegationTokenResponse;
}