From c7456f0a67b5488cca777ea702144cd9996698c0 Mon Sep 17 00:00:00 2001
From: Vinzenz Schroeter <vinzenz.f.s@gmail.com>
Date: Fri, 10 May 2024 20:08:56 +0200
Subject: [PATCH] From<Vec<u8>> for Packet

---
 src/packet.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/packet.rs b/src/packet.rs
index 3b6655f..a3ba5f2 100644
--- a/src/packet.rs
+++ b/src/packet.rs
@@ -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)
+    }
 }
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