statime/datastructures/messages/
p_delay_resp_follow_up.rs1use crate::datastructures::{
2 common::{PortIdentity, WireTimestamp},
3 WireFormat, WireFormatError,
4};
5
6#[derive(Debug, Clone, Copy, PartialEq, Eq)]
7pub(crate) struct PDelayRespFollowUpMessage {
8 pub(crate) response_origin_timestamp: WireTimestamp,
9 pub(crate) requesting_port_identity: PortIdentity,
10}
11
12impl PDelayRespFollowUpMessage {
13 pub(crate) fn content_size(&self) -> usize {
14 20
15 }
16
17 pub(crate) fn serialize_content(
18 &self,
19 buffer: &mut [u8],
20 ) -> Result<(), crate::datastructures::WireFormatError> {
21 if buffer.len() < 20 {
22 return Err(WireFormatError::BufferTooShort);
23 }
24
25 self.response_origin_timestamp
26 .serialize(&mut buffer[0..10])?;
27 self.requesting_port_identity
28 .serialize(&mut buffer[10..20])?;
29
30 Ok(())
31 }
32
33 pub(crate) fn deserialize_content(
34 buffer: &[u8],
35 ) -> Result<Self, crate::datastructures::WireFormatError> {
36 if buffer.len() < 20 {
37 return Err(WireFormatError::BufferTooShort);
38 }
39 Ok(Self {
40 response_origin_timestamp: WireTimestamp::deserialize(&buffer[0..10])?,
41 requesting_port_identity: PortIdentity::deserialize(&buffer[10..20])?,
42 })
43 }
44}
45
46#[cfg(test)]
47mod tests {
48 use super::*;
49 use crate::datastructures::common::{ClockIdentity, PortIdentity};
50
51 #[test]
52 fn timestamp_wireformat() {
53 let representations = [(
54 [
55 0x00, 0x00, 0x45, 0xb1, 0x11, 0x5a, 0x0a, 0x64, 0xfa, 0xb0, 0x01, 0x02, 0x03, 0x04,
56 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
57 ],
58 PDelayRespFollowUpMessage {
59 response_origin_timestamp: WireTimestamp {
60 seconds: 1169232218,
61 nanos: 174389936,
62 },
63 requesting_port_identity: PortIdentity {
64 clock_identity: ClockIdentity([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08]),
65 port_number: 0x090a,
66 },
67 },
68 )];
69
70 for (byte_representation, object_representation) in representations {
71 let mut serialization_buffer = [0; 20];
73 object_representation
74 .serialize_content(&mut serialization_buffer)
75 .unwrap();
76 assert_eq!(serialization_buffer, byte_representation);
77
78 let deserialized_data =
80 PDelayRespFollowUpMessage::deserialize_content(&byte_representation).unwrap();
81 assert_eq!(deserialized_data, object_representation);
82 }
83 }
84}