really broken WIP for now xD

src/sniffing/headers.rs

@@ -1,4 +1,5 @@
 use tun::Error;
+use std::fmt;
 
 // Here we will recieve bytes and try to get their destanation & apply Rules for them.
 use crate::config::Config;
@@ -9,6 +10,13 @@ pub enum Protocol {
     UDP,
     Unsupported(u8)
 }
+type SourceV4Ip = Ipv4;
+type SourceV6Ip = Ipv6;
+pub enum IpVersion {
+    V4,
+    V6
+}
+// type IpVersion = String;
 type Ipv4 = [u8; 4];
 type Ipv6 = [u8; 16];
 type Port = u16;
@@ -34,7 +42,51 @@ pub enum PacketInfo {
     }
 }
 
+impl fmt::Display for PacketInfo {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        if self.version() == "Ipv4" {
+             let src_ip = self.src_ipv4_ip();
+             let dst_ip = self.dst_ipv4_ip();
+             write!(f, "{} {}.{}.{}.{}:{} -> {}.{}.{}.{}:{} PROTO {} DNS? {}", self.version(), src_ip[0], src_ip[1], src_ip[2], src_ip[3], self.src_port, dst_ip[0], dst_ip[1], dst_ip[2], dst_ip[3], self.dst_port(), self.protocol(), self.dns())
+        }
+        // write!(f, "{} {}:{} -> {}:{} PROTO {} DNS? {}", self.version(), self.)
+    }
+}
+
 impl PacketInfo {
+    pub fn dns(&self) -> &bool {
+        match self {
+            PacketInfo::V4 { dns, ..} => dns,
+            PacketInfo::V6 { dns, ..} => dns,
+        }
+    }
+    pub fn dst_ipv4_ip(&self) -> &SourceV4Ip {
+        match self {
+            PacketInfo::V4 { dst_ip, .. } => dst_ip,
+            _ => &[0x0, 0x0, 0x0, 0x0].try_into().expect("this never should fail or even be called in the first place.")
+        }
+    }
+    pub fn src_ipv6_ip(&self) -> &SourceV6Ip {
+        match self {
+            PacketInfo::V6 { src_ip, .. } => src_ip,
+            _ => &[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0].try_into().expect("this never should fail or even be called in the first place.")
+        }
+    }
+    pub fn src_ipv4_ip(&self) -> &SourceV4Ip {
+        match self {
+            PacketInfo::V4 { src_ip, .. } => src_ip,
+            _ => &[0x0, 0x0, 0x0, 0x0].try_into().expect("this never should fail or even be called in the first place.")
+        }
+    }
+    pub fn src_ipv6_ip(&self) -> &SourceV6Ip {
+            PacketInfo::V6.src_ip
+    }
+    pub fn version(&self) -> &IpVersion {
+        match self {
+            PacketInfo::V4 { .. }=> &IpVersion::V4,
+            PacketInfo::V6 { .. }=> &IpVersion::V6
+        }
+    }
     pub fn protocol(&self) -> &Protocol {
         match self {
             PacketInfo::V4 { protocol, .. } => protocol,