futu_backend/
price_reminder_change_push.rs

1//! CMD6803 price-reminder change push decoder.
2
3use futu_core::error::{FutuError, Result};
4
5const PRICE_REMINDER_CHANGE_BODY_LEN: usize = 12;
6
7#[derive(Clone, Copy, Debug, Eq, PartialEq)]
8pub struct DecodedPriceReminderChangePush {
9    pub stock_id: i64,
10    pub server_seq: i32,
11}
12
13/// Decode C++ `OMBinDeSrz(body, len, true) >> i64 >> i32`.
14///
15/// Ref: `NNBiz_PriceReminder.cpp:371-382` and OM
16/// `OMBinDeSrz.cpp:48-85`. C++ does not require the deserializer to finish, so
17/// trailing bytes are intentionally ignored.
18pub fn decode_price_reminder_change_push(body: &[u8]) -> Result<DecodedPriceReminderChangePush> {
19    if body.len() < PRICE_REMINDER_CHANGE_BODY_LEN {
20        return Err(FutuError::Codec(format!(
21            "CMD6803 PriceReminderChange body too short: expected at least {PRICE_REMINDER_CHANGE_BODY_LEN}, got {}",
22            body.len()
23        )));
24    }
25
26    let stock_id = i64::from_be_bytes([
27        body[0], body[1], body[2], body[3], body[4], body[5], body[6], body[7],
28    ]);
29    let server_seq = i32::from_be_bytes([body[8], body[9], body[10], body[11]]);
30    Ok(DecodedPriceReminderChangePush {
31        stock_id,
32        server_seq,
33    })
34}
futu_backend/price_reminder_change_push.rs

futu_backend/
price_reminder_change_push.rs
