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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
pub use encoding::{
SmartModuleRuntimeError, SmartModuleInternalError, SmartModuleKind, SmartModuleInput,
SmartModuleAggregateInput, SmartModuleOutput, SmartModuleExtraParams,
SmartModuleAggregateOutput,
};
mod encoding {
use std::fmt::{self, Display};
use crate::Offset;
use crate::record::{Record, RecordData};
use fluvio_protocol::{Encoder, Decoder};
use std::collections::BTreeMap;
#[derive(Debug, Default, Clone, Encoder, Decoder)]
pub struct SmartModuleExtraParams {
inner: BTreeMap<String, String>,
}
impl From<BTreeMap<String, String>> for SmartModuleExtraParams {
fn from(inner: BTreeMap<String, String>) -> SmartModuleExtraParams {
SmartModuleExtraParams { inner }
}
}
impl SmartModuleExtraParams {
pub fn get(&self, key: &str) -> Option<&String> {
self.inner.get(key)
}
}
#[derive(Debug, Default, Clone, Encoder, Decoder)]
pub struct SmartModuleInput {
pub base_offset: Offset,
pub record_data: Vec<u8>,
pub params: SmartModuleExtraParams,
#[fluvio(min_version = 16)]
pub join_record: Vec<u8>,
}
impl std::convert::TryFrom<Vec<Record>> for SmartModuleInput {
type Error = std::io::Error;
fn try_from(records: Vec<Record>) -> Result<Self, Self::Error> {
let mut record_data = Vec::new();
records.encode(&mut record_data, 0)?;
Ok(SmartModuleInput {
record_data,
..Default::default()
})
}
}
impl Display for SmartModuleInput {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"SmartModuleInput {{ base_offset: {:?}, record_data: {:?}, join_data: {:#?} }}",
self.base_offset,
self.record_data.len(),
self.join_record.len()
)
}
}
#[derive(Debug, Default, Clone, Encoder, Decoder)]
pub struct SmartModuleAggregateInput {
pub base: SmartModuleInput,
pub accumulator: Vec<u8>,
}
#[derive(Debug, Default, Encoder, Decoder)]
pub struct SmartModuleOutput {
pub successes: Vec<Record>,
pub error: Option<SmartModuleRuntimeError>,
}
#[derive(Debug, Default, Encoder, Decoder)]
pub struct SmartModuleAggregateOutput {
pub base: SmartModuleOutput,
#[fluvio(min_version = 16)]
pub accumulator: Vec<u8>,
}
#[repr(i32)]
#[derive(thiserror::Error, Debug, Clone, PartialEq, Encoder, Decoder)]
#[non_exhaustive]
#[fluvio(encode_discriminant)]
pub enum SmartModuleInternalError {
#[error("encountered unknown error during SmartModule processing")]
UnknownError = -1,
#[error("failed to decode SmartModule base input")]
DecodingBaseInput = -11,
#[error("failed to decode SmartModule record input")]
DecodingRecords = -22,
#[error("failed to encode SmartModule output")]
EncodingOutput = -33,
#[error("failed to parse SmartModule extra params")]
ParsingExtraParams = -44,
#[error("undefined right record in Join SmartModule")]
UndefinedRightRecord = -55,
#[error("Init params are not found")]
InitParamsNotFound = -60,
}
impl Default for SmartModuleInternalError {
fn default() -> Self {
Self::UnknownError
}
}
#[derive(thiserror::Error, Debug, Default, Clone, PartialEq, Encoder, Decoder)]
pub struct SmartModuleRuntimeError {
pub hint: String,
pub offset: Offset,
pub kind: SmartModuleKind,
pub record_key: Option<RecordData>,
pub record_value: RecordData,
}
impl SmartModuleRuntimeError {
pub fn new(
record: &Record,
base_offset: Offset,
kind: SmartModuleKind,
error: eyre::Error,
) -> Self {
let hint = format!("{:?}", error);
let offset = base_offset + record.preamble.offset_delta();
let record_key = record.key.clone();
let record_value = record.value.clone();
Self {
hint,
offset,
kind,
record_key,
record_value,
}
}
}
impl fmt::Display for SmartModuleRuntimeError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let key = self
.record_key
.as_ref()
.map(display_record_data)
.unwrap_or_else(|| "NULL".to_string());
let value = display_record_data(&self.record_value);
write!(
f,
"{}\n\n\
SmartModule Info: \n \
Type: {}\n \
Offset: {}\n \
Key: {}\n \
Value: {}",
self.hint, self.kind, self.offset, key, value,
)
}
}
fn display_record_data(record: &RecordData) -> String {
match std::str::from_utf8(record.as_ref()) {
Ok(s) => s.to_string(),
_ => format!("Binary: {} bytes", record.as_ref().len()),
}
}
#[derive(Debug, Clone, PartialEq, Encoder, Decoder)]
pub enum SmartModuleKind {
Filter,
Map,
#[fluvio(min_version = 15)]
ArrayMap,
#[fluvio(min_version = 13)]
Aggregate,
#[fluvio(min_version = 16)]
FilterMap,
#[fluvio(min_version = 16)]
Join,
#[fluvio(min_version = 17)]
Generic,
}
impl Default for SmartModuleKind {
fn default() -> Self {
Self::Filter
}
}
impl fmt::Display for SmartModuleKind {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self, f)
}
}
}