dis-rs 0.13.0

An implementation of the Distributed Interactive Simulation protocol (IEEE-1278.1) in Rust. This main crate contains PDU implementations and facilities to read/write PDUs from Rust data structures to the wire format and vice versa. It supports versions 6 and 7 of the protocol.
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use crate::common::data_query::builder::DataQueryBuilder;
use crate::common::model::{EntityId, PduBody};
use crate::common::{BodyInfo, Interaction};
use crate::constants::FOUR_OCTETS;
use crate::enumerations::{PduType, VariableRecordType};
use crate::BodyRaw;
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};

pub const BASE_DATA_QUERY_BODY_LENGTH: u16 = 28;

#[derive(Clone, Debug, Default, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct DataQuery {
    pub originating_id: EntityId,
    pub receiving_id: EntityId,
    pub request_id: u32,
    pub time_interval: u32,
    pub fixed_datum_records: Vec<VariableRecordType>,
    pub variable_datum_records: Vec<VariableRecordType>,
}

impl BodyRaw for DataQuery {
    type Builder = DataQueryBuilder;

    fn builder() -> Self::Builder {
        Self::Builder::new()
    }

    fn into_builder(self) -> Self::Builder {
        Self::Builder::new_from_body(self)
    }

    fn into_pdu_body(self) -> PduBody {
        PduBody::DataQuery(self)
    }
}

impl BodyInfo for DataQuery {
    fn body_length(&self) -> u16 {
        BASE_DATA_QUERY_BODY_LENGTH
            + (FOUR_OCTETS * self.fixed_datum_records.len()) as u16
            + (FOUR_OCTETS * self.variable_datum_records.len()) as u16
    }

    fn body_type(&self) -> PduType {
        PduType::DataQuery
    }
}

impl Interaction for DataQuery {
    fn originator(&self) -> Option<&EntityId> {
        Some(&self.originating_id)
    }

    fn receiver(&self) -> Option<&EntityId> {
        Some(&self.receiving_id)
    }
}