1 files changed, 29 insertions, 0 deletions

diff --git a/src/wol.rs b/src/wol.rs
new file mode 100644
index 0000000..80b66cd
--- /dev/null
+++ b/src/wol.rs
@@ -0,0 +1,29 @@
+use std::net::{SocketAddr, UdpSocket};
+use std::num::ParseIntError;
+
+/// Creates the magic packet from a mac address
+///
+/// # Panics
+///
+/// Panics if `mac_addr` is an invalid mac
+pub fn create_buffer(mac_addr: &str) -> Result<Vec<u8>, ParseIntError> {
+    let mut mac = Vec::new();
+    let sp = mac_addr.split(':');
+    for f in sp {
+        mac.push(u8::from_str_radix(f, 16)?);
+    };
+    let mut buf = vec![255; 6];
+    for _ in 0..16 {
+        for i in &mac {
+            buf.push(*i);
+        }
+    }
+    Ok(buf)
+}
+
+/// Sends a buffer on UDP broadcast
+pub fn send_packet(bind_addr: &SocketAddr, broadcast_addr: &SocketAddr, buffer: Vec<u8>) -> Result<usize, std::io::Error> {
+    let socket = UdpSocket::bind(bind_addr)?;
+    socket.set_broadcast(true)?;
+    socket.send_to(&buffer, broadcast_addr)
+}
\ No newline at end of file