iso14229_1/request/
routine_ctrl.rs

1//! request of Service 31
2
3
4use crate::{Configuration,Error, Placeholder, RequestData, RoutineCtrlType, RoutineId, Service, utils};
5
6#[derive(Debug, Clone)]
7pub struct RoutineCtrl {
8    pub routine_id: RoutineId,
9    pub option_record: Vec<u8>,
10}
11
12impl<'a> TryFrom<&'a [u8]> for RoutineCtrl {
13    type Error = Error;
14    fn try_from(data: &'a [u8]) -> Result<Self, Self::Error> {
15        utils::data_length_check(data.len(), 2, false)?;
16
17        let mut offset = 0;
18        let routine_id = u16::from_be_bytes([data[offset], data[offset + 1]]);
19        offset += 2;
20        let routine_id = RoutineId::from(routine_id);
21
22        Ok(Self { routine_id, option_record: data[offset..].to_vec() })
23    }
24}
25
26impl Into<Vec<u8>> for RoutineCtrl {
27    fn into(mut self) -> Vec<u8> {
28        let routine_id: u16 = self.routine_id.into();
29        let mut result = routine_id.to_be_bytes().to_vec();
30        result.append(&mut self.option_record);
31
32        result
33    }
34}
35
36impl RequestData for RoutineCtrl {
37    type SubFunc = Placeholder;
38
39    #[inline]
40    fn try_parse(data: &[u8], _: Option<Self::SubFunc>, _: &Configuration) -> Result<Self, Error> {
41        Self::try_from(data)
42    }
43
44    #[inline]
45    fn to_vec(self, _: &Configuration) -> Vec<u8> {
46        self.into()
47    }
48}
49
50#[cfg(test)]
51mod tests {
52    use crate::{CheckProgrammingDependencies, RoutineCtrlType};
53    use super::RoutineCtrl;
54
55    #[test]
56    fn new() -> anyhow::Result<()> {
57        let source = hex::decode("3101FF01")?;
58        let request = RoutineCtrl {
59            routine_id: CheckProgrammingDependencies,
60            option_record: vec![],
61        };
62        let result: Vec<_> = request.into();
63        assert_eq!(result, source[2..].to_vec());
64
65        let source = hex::decode("3101FF01112233445566")?;
66        let request = RoutineCtrl::try_from(&source[2..])?;
67
68        assert_eq!(request.routine_id, CheckProgrammingDependencies);
69        assert_eq!(request.option_record, hex::decode("112233445566")?);
70
71        Ok(())
72    }
73}
74
iso14229_1/request/routine_ctrl.rs

iso14229_1/request/
routine_ctrl.rs
