src: centrifuge arp

krishpranav · Aug 28, 2021 · 584f241 · 584f241
1 parent 38577c2
commit 584f241
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/centrifuge/arp.rs b/src/centrifuge/arp.rs
@@ -0,0 +1,15 @@
+use crate::structs::CentrifugeError;
+use crate::structs::arp::ARP;
+
+pub fn extract(remaining: &[u8]) -> Result<ARP, CentrifugeError> {
+    if let Ok((_remaining, arp_pkt)) = pktparse::arp::parse_arp_pkt(remaining) {
+        use pktparse::arp::Operation;
+        match arp_pkt.operation {
+            Operation::Request  => Ok(ARP::Request(arp_pkt)),
+            Operation::Reply    => Ok(ARP::Reply(arp_pkt)),
+            Operation::Other(_) => Err(CentrifugeError::UnknownProtocol), // TODO
+        }
+    } else {
+        Err(CentrifugeError::InvalidPacket)
+    }
+}