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From<Vec<u8>> for Packet

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Vinzenz Schroeter 2024-05-10 20:08:56 +02:00
parent 9eaa7462bc
commit c7456f0a67
1 changed files with 20 additions and 0 deletions
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20
src/packet.rs
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@ -19,4 +19,24 @@ impl Into<Vec<u8>> for Packet {
return packet;
}
}
fn u16_from_be_slice(slice: &[u8]) -> u16 {
let mut bytes = [0u8; 2];
bytes[0] = slice[0];
bytes[1] = slice[1];
u16::from_be_bytes(bytes)
}
impl From<Vec<u8>> for Packet {
fn from(value: Vec<u8>) -> Self {
let mode = u16_from_be_slice(&value[0..=1]);
let a = u16_from_be_slice(&value[2..=3]);
let b = u16_from_be_slice(&value[4..=5]);
let c = u16_from_be_slice(&value[6..=7]);
let d = u16_from_be_slice(&value[8..=9]);
let payload = value[10..].to_vec();
Packet(Header(mode, a, b, c, d), payload)
}
}