dis_rs/common/data_query_r/
parser.rs

1use crate::common::model::PduBody;
2use crate::common::parser::entity_id;
3use crate::data_query_r::model::DataQueryR;
4use crate::enumerations::{RequiredReliabilityService, VariableRecordType};
5use nom::multi::count;
6use nom::number::complete::{be_u16, be_u32, be_u8};
7use nom::IResult;
8
9pub(crate) fn data_query_r_body(input: &[u8]) -> IResult<&[u8], PduBody> {
10    let (input, originating_id) = entity_id(input)?;
11    let (input, receiving_id) = entity_id(input)?;
12    let (input, required_reliability_service) = be_u8(input)?;
13    let required_reliability_service =
14        RequiredReliabilityService::from(required_reliability_service);
15    let (input, _padding) = be_u8(input)?;
16    let (input, _padding) = be_u16(input)?;
17    let (input, request_id) = be_u32(input)?;
18    let (input, time_interval) = be_u32(input)?;
19
20    let (input, num_of_fixed_datums) = be_u32(input)?;
21    let (input, num_of_variable_datums) = be_u32(input)?;
22    let (input, fixed_datum_ids) = count(be_u32, num_of_fixed_datums as usize)(input)?;
23    let fixed_datum_ids = fixed_datum_ids
24        .iter()
25        .map(|id| VariableRecordType::from(*id))
26        .collect();
27    let (input, variable_datum_ids) = count(be_u32, num_of_variable_datums as usize)(input)?;
28    let variable_datum_ids = variable_datum_ids
29        .iter()
30        .map(|id| VariableRecordType::from(*id))
31        .collect();
32
33    let body = DataQueryR::builder()
34        .with_origination_id(originating_id)
35        .with_receiving_id(receiving_id)
36        .with_required_reliability_service(required_reliability_service)
37        .with_request_id(request_id)
38        .with_time_interval(time_interval)
39        .with_fixed_datums(fixed_datum_ids)
40        .with_variable_datums(variable_datum_ids)
41        .build();
42
43    Ok((input, body.into_pdu_body()))
44}