osdp/reply/
ft_stat.rs

1//! `osdp_FTSTAT` (`0x7A`) — file-transfer status.
2//!
3//! # Spec: §7.19
4//!
5//! Body: `status (1) || delay (2 LE) || preferred_size (2 LE) || flags (2 LE)`.
6
7use crate::error::Error;
8use alloc::vec::Vec;
9
10/// `osdp_FTSTAT` body.
11#[derive(Debug, Clone, Copy, PartialEq, Eq)]
12pub struct FtStat {
13    /// Status code.
14    pub status: u8,
15    /// Update delay (ms) before next fragment is welcome.
16    pub delay_ms: u16,
17    /// Preferred fragment size in bytes.
18    pub preferred_size: u16,
19    /// Bit-flags (vendor-specific extensions).
20    pub flags: u16,
21}
22
23impl FtStat {
24    /// Encode.
25    pub fn encode(&self) -> Result<Vec<u8>, Error> {
26        let mut out = Vec::with_capacity(7);
27        out.push(self.status);
28        out.extend_from_slice(&self.delay_ms.to_le_bytes());
29        out.extend_from_slice(&self.preferred_size.to_le_bytes());
30        out.extend_from_slice(&self.flags.to_le_bytes());
31        Ok(out)
32    }
33
34    /// Decode.
35    pub fn decode(data: &[u8]) -> Result<Self, Error> {
36        if data.len() != 7 {
37            return Err(Error::MalformedPayload {
38                code: 0x7A,
39                reason: "FTSTAT requires 7 bytes",
40            });
41        }
42        Ok(Self {
43            status: data[0],
44            delay_ms: u16::from_le_bytes([data[1], data[2]]),
45            preferred_size: u16::from_le_bytes([data[3], data[4]]),
46            flags: u16::from_le_bytes([data[5], data[6]]),
47        })
48    }
49}
osdp/reply/ft_stat.rs

osdp/reply/
ft_stat.rs
