krabka-protocol 0.7.0

Apache Kafka wire-protocol codec (4.3.0), with typed RecordBatch and zero-copy borrowed decode
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

// AUTO-GENERATED by krabka-protocol-codegen against a9ce3221537b8653448750697915607dc7936cf3. Do not edit.
use bytes::BufMut;

use crate::{
    DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields,
    primitives::{
        fixed::{get_i32, put_i32},
        string_bytes::{compact_string_len, put_compact_string, put_string, string_len},
        string_bytes_borrowed::{get_compact_string_borrowed, get_string_borrowed},
    },
};
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 0;
pub const FLEXIBLE_MIN: i16 = 32767;
#[inline]
#[must_use]
pub fn is_flexible(version: i16) -> bool {
    version == FLEXIBLE_MIN
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct OffsetCommitKey<'a> {
    pub group: &'a str,
    pub topic: &'a str,
    pub partition: i32,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl OffsetCommitKey<'_> {
    /// # Panics
    ///
    /// Panics if a records field contains an invalid encoded record batch.
    #[must_use]
    pub fn to_owned(&self) -> crate::owned::offset_commit_key::OffsetCommitKey {
        crate::owned::offset_commit_key::OffsetCommitKey {
            group: (self.group).to_string(),
            topic: (self.topic).to_string(),
            partition: (self.partition),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}
impl Encode for OffsetCommitKey<'_> {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::SchemaMismatch(
                "OffsetCommitKey version out of range",
            ));
        }
        let flex = is_flexible(version);
        if version == 0 {
            if flex {
                let () = put_compact_string(buf, self.group);
            } else {
                let () = put_string(buf, self.group);
            }
        }
        if version == 0 {
            if flex {
                let () = put_compact_string(buf, self.topic);
            } else {
                let () = put_string(buf, self.topic);
            }
        }
        if version == 0 {
            put_i32(buf, self.partition);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = is_flexible(version);
        let mut n: usize = 0;
        if version == 0 {
            n += if flex {
                compact_string_len(self.group)
            } else {
                string_len(self.group)
            };
        }
        if version == 0 {
            n += if flex {
                compact_string_len(self.topic)
            } else {
                string_len(self.topic)
            };
        }
        if version == 0 {
            n += 4;
        }
        n
    }
}
impl<'de> DecodeBorrow<'de> for OffsetCommitKey<'de> {
    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::SchemaMismatch(
                "OffsetCommitKey version out of range",
            ));
        }
        let flex = is_flexible(version);
        let mut out = Self::default();
        if version == 0 {
            out.group = if flex {
                get_compact_string_borrowed(buf)?
            } else {
                get_string_borrowed(buf)?
            };
        }
        if version == 0 {
            out.topic = if flex {
                get_compact_string_borrowed(buf)?
            } else {
                get_string_borrowed(buf)?
            };
        }
        if version == 0 {
            out.partition = get_i32(buf)?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl OffsetCommitKey<'_> {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version == 0 {
            m.group = "x";
        }
        if version == 0 {
            m.topic = "x";
        }
        if version == 0 {
            m.partition = 1i32;
        }
        m
    }
}