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::model::length_padded_to_num;
use crate::common::signal::model::{EncodingScheme, Signal};
use crate::common::{Serialize, SerializePdu, SupportedVersion};
use crate::constants::{FOUR_OCTETS, ONE_BYTE_IN_BITS};
use bytes::{BufMut, BytesMut};

impl SerializePdu for Signal {
    fn serialize_pdu(&self, _version: SupportedVersion, buf: &mut BytesMut) -> u16 {
        let radio_ref_id_bytes = self.radio_reference_id.serialize(buf);
        buf.put_u16(self.radio_number);
        let encoding_scheme_bytes = self.encoding_scheme.serialize(buf);
        buf.put_u16(self.tdl_type.into());
        buf.put_u32(self.sample_rate);
        buf.put_u16((self.data.len() * ONE_BYTE_IN_BITS) as u16);
        buf.put_u16(self.samples);
        buf.put(&self.data[..]);
        let padded_record_lengths = length_padded_to_num(self.data.len(), FOUR_OCTETS);
        buf.put_bytes(0u8, padded_record_lengths.padding_length);

        radio_ref_id_bytes
            + 2
            + encoding_scheme_bytes
            + 10
            + padded_record_lengths.record_length as u16
    }
}

impl Serialize for EncodingScheme {
    #[allow(clippy::match_same_arms)]
    fn serialize(&self, buf: &mut BytesMut) -> u16 {
        match self {
            EncodingScheme::EncodedAudio {
                encoding_class,
                encoding_type,
            } => {
                let class_bits = u16::from(*encoding_class) << 14;
                let type_bits = u16::from(*encoding_type);
                buf.put_u16(class_bits | type_bits);
                2
            }
            EncodingScheme::RawBinaryData {
                encoding_class,
                nr_of_messages,
            } => {
                let class_bits = u16::from(*encoding_class) << 14;
                buf.put_u16(class_bits | *nr_of_messages);
                2
            }
            EncodingScheme::ApplicationSpecificData { encoding_class, .. } => {
                let class_bits = u16::from(*encoding_class) << 14;
                buf.put_u16(class_bits);
                2
            }
            EncodingScheme::DatabaseIndex { encoding_class, .. } => {
                let class_bits = u16::from(*encoding_class) << 14;
                buf.put_u16(class_bits);
                2
            }
            EncodingScheme::Unspecified { encoding_class } => {
                let class_bits = u16::from(*encoding_class) << 14;
                buf.put_u16(class_bits);
                2
            }
        }
    }
}