1 files changed, 16 insertions, 0 deletions
diff --git a/Demo/dns/dnsopcode.py b/Demo/dns/dnsopcode.py
new file mode 100755
index 0000000..f2e7cd5
--- /dev/null
+++ b/Demo/dns/dnsopcode.py
@@ -0,0 +1,16 @@
+# Opcode values in message header (section 4.1.1)
+
+QUERY = 0
+IQUERY = 1
+STATUS = 2
+
+# Construct reverse mapping dictionary
+
+_names = dir()
+opcodemap = {}
+for _name in _names:
+	if _name[0] != '_': opcodemap[eval(_name)] = _name
+
+def opcodestr(opcode):
+	if opcodemap.has_key(opcode): return opcodemap[opcode]
+	else: return `opcode`