From a9f5db10c9916e2fccb2582ed65299335a5ce469 Mon Sep 17 00:00:00 2001
From: Sunil Nimmagadda <sunil@nimmagadda.net>
Date: Wed, 7 Dec 2022 13:35:25 +0530
Subject: Module to parse(unimplemented) VRRPv2 packet.

Define a struct and its related enums.
---
 src/lib.rs    |  1 +
 src/vrrpv2.rs | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 src/lib.rs
 create mode 100644 src/vrrpv2.rs

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..ae2ba80
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+pub mod vrrpv2;
diff --git a/src/vrrpv2.rs b/src/vrrpv2.rs
new file mode 100644
index 0000000..559b913
--- /dev/null
+++ b/src/vrrpv2.rs
@@ -0,0 +1,33 @@
+use std::net::Ipv4Addr;
+
+pub enum VRRPv2Error {}
+
+pub enum VRRPVersion {
+    V2(u8),
+}
+
+pub enum VRRPv2Type {
+    VRRPv2Advertisement,
+}
+
+pub enum VRRPv2AuthType {
+    VRRPv2AuthNoAuth = 0x00,
+    VRRPv2AuthReserved1 = 0x01,
+    VRRPv2AuthReserved2 = 0x02,
+}
+
+pub struct VRRPv2 {
+    pub version: VRRPVersion,
+    pub type_: VRRPv2Type,
+    pub virtual_router_id: u8,
+    pub priority: u8,
+    pub count_ip_addrs: u8,
+    pub auth_type: VRRPv2AuthType,
+    pub advertisement_interval: u8,
+    pub checksum: u16,
+    pub ip_addrs: Vec<Ipv4Addr>,
+}
+
+pub fn from_bytes(_bytes: &[u8]) -> Result<&VRRPv2, VRRPv2Error> {
+    unimplemented!()
+}
-- 
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