dis_rs/common/data_query/
parser.rs

1use crate::common::data_query::model::DataQuery;
2use crate::common::model::PduBody;
3use crate::common::parser::entity_id;
4use crate::enumerations::VariableRecordType;
5use nom::multi::count;
6use nom::number::complete::be_u32;
7use nom::IResult;
8
9pub(crate) fn data_query_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, request_id) = be_u32(input)?;
13    let (input, time_interval) = be_u32(input)?;
14
15    let (input, num_of_fixed_datums) = be_u32(input)?;
16    let (input, num_of_variable_datums) = be_u32(input)?;
17    let (input, fixed_datum_ids) = count(be_u32, num_of_fixed_datums as usize)(input)?;
18    let fixed_datum_ids = fixed_datum_ids
19        .iter()
20        .map(|id| VariableRecordType::from(*id))
21        .collect();
22    let (input, variable_datum_ids) = count(be_u32, num_of_variable_datums as usize)(input)?;
23    let variable_datum_ids = variable_datum_ids
24        .iter()
25        .map(|id| VariableRecordType::from(*id))
26        .collect();
27
28    let body = DataQuery::builder()
29        .with_origination_id(originating_id)
30        .with_receiving_id(receiving_id)
31        .with_request_id(request_id)
32        .with_time_interval(time_interval)
33        .with_fixed_datums(fixed_datum_ids)
34        .with_variable_datums(variable_datum_ids)
35        .build();
36
37    Ok((input, body.into_pdu_body()))
38}