[feature] Add Packet Error Type

1 files changed, 48 insertions, 0 deletions

diff --git a/src/packet/error.rs b/src/packet/error.rs
new file mode 100644
index 0000000..20eceec
--- /dev/null
+++ b/src/packet/error.rs
@@ -0,0 +1,48 @@
+#[derive(Debug)]
+pub enum PacketError {
+    InvalidPacketLength,
+
+    // L2
+    IncompleteEthernetFrame,
+    UnsupportEthernetType,
+
+    // L3
+    IncompleteIpv4Header,
+    IncompleteIpv6Header,
+
+    InvalidIpv4HeaderLength,
+    InvalidIpv6HeaderLength,
+
+    UnsupportIPProtocol,
+
+    // L4
+    IncompleteUdpHeader,
+    IncompleteTcpHeader,
+
+    // L7
+    IncompleteAppHeader,
+    UnsupportAppProtocol,
+}
+
+impl core::fmt::Display for PacketError {
+    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+        match *self {
+            PacketError::InvalidPacketLength => write!(f, "Invalid Packet Length"),
+            // L2
+            PacketError::IncompleteEthernetFrame => write!(f, "Incomplete Ethernet Frame"),
+            PacketError::UnsupportEthernetType => write!(f, "Unsupport Ethernet Type"),
+            // L3
+            PacketError::IncompleteIpv4Header => write!(f, "Incomplete IPv4 Header"),
+            PacketError::IncompleteIpv6Header => write!(f, "Incomplete IPv6 Header"),
+            PacketError::InvalidIpv4HeaderLength => write!(f, "Invalid IPv4 Header Length"),
+            PacketError::InvalidIpv6HeaderLength => write!(f, "Invalid IPv6 Header Length"),
+            PacketError::UnsupportIPProtocol => write!(f, "Unsupport IP Protocol"),
+            // L4
+            PacketError::IncompleteUdpHeader => write!(f, "Incomplete UDP Header"),
+            PacketError::IncompleteTcpHeader => write!(f, "Incomplete TCP Header"),
+            // L7
+            PacketError::IncompleteAppHeader => write!(f, "Incomplete App Header"),
+            PacketError::UnsupportAppProtocol => write!(f, "Unsupport App Protocol"),
+        }
+    }
+}
\ No newline at end of file