Dreaded_X/wakey
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refactor out packet-building, test

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This commit is contained in:
lesnyrumcajs 2019-02-04 23:24:21 +01:00
parent 04766c94c1
commit cdc20fb59a
1 changed files with 20 additions and 7 deletions
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27
src/lib.rs
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@ -16,6 +16,7 @@ use std::net::{SocketAddr, ToSocketAddrs, UdpSocket};
const MAC_SIZE: usize = 6;
const MAC_PER_MAGIC: usize = 16;
static HEADER: [u8; 6] = [0xFF; 6];
/// Wake-on-LAN packet
pub struct WolPacket {
@ -31,13 +32,7 @@ impl WolPacket {
/// let wol = wakey::WolPacket::from_bytes(&vec![0x00, 0x01, 0x02, 0x03, 0x04, 0x05]);
/// ```
pub fn from_bytes(mac: &[u8]) -> WolPacket {
static HEADER: [u8; 6] = [0xFF; 6];
let mut packet = Vec::with_capacity(HEADER.len() + MAC_SIZE * MAC_PER_MAGIC);
packet.extend(HEADER.iter());
packet.extend(WolPacket::extend_mac(mac));
WolPacket { packet }
WolPacket { packet: WolPacket::create_packet_bytes(mac) }
}
/// Creates WOL packet from string MAC representation (e.x. 00:01:02:03:04:05)
@ -101,6 +96,16 @@ impl WolPacket {
.cloned()
.collect()
}
/// Creates bytes of the magic packet from MAC address
fn create_packet_bytes(mac: &[u8]) -> Vec<u8> {
let mut packet = Vec::with_capacity(HEADER.len() + MAC_SIZE * MAC_PER_MAGIC);
packet.extend(HEADER.iter());
packet.extend(WolPacket::extend_mac(mac));
packet
}
}
#[cfg(test)]
@ -136,4 +141,12 @@ mod tests {
let mac = "01002:03:04:05:06";
super::WolPacket::mac_to_byte(mac, ':');
}
#[test]
fn create_packet_bytes_test() {
let bytes = super::WolPacket::create_packet_bytes(&[0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]);
assert_eq!(bytes.len(), super::MAC_SIZE * super::MAC_PER_MAGIC + super::HEADER.len());
assert!(bytes.iter().all(|&x| x == 0xFF));
}
}