finialize initial dns + caching

1 files changed, 22 insertions, 0 deletions

diff --git a/src/packet/result.rs b/src/packet/result.rs
new file mode 100644
index 0000000..41c8ba9
--- /dev/null
+++ b/src/packet/result.rs
@@ -0,0 +1,22 @@
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+pub enum ResultCode {
+    NOERROR = 0,
+    FORMERR = 1,
+    SERVFAIL = 2,
+    NXDOMAIN = 3,
+    NOTIMP = 4,
+    REFUSED = 5,
+}
+
+impl ResultCode {
+    pub fn from_num(num: u8) -> Self {
+        match num {
+            1 => Self::FORMERR,
+            2 => Self::SERVFAIL,
+            3 => Self::NXDOMAIN,
+            4 => Self::NOTIMP,
+            5 => Self::REFUSED,
+            0 | _ => Self::NOERROR,
+        }
+    }
+}