initial checkin

1 files changed, 23 insertions, 0 deletions

diff --git a/Demo/dns/dnsclass.py b/Demo/dns/dnsclass.py
new file mode 100755
index 0000000..f90b9e8
--- /dev/null
+++ b/Demo/dns/dnsclass.py
@@ -0,0 +1,23 @@
+# CLASS values (section 3.2.4)
+
+IN = 1		# the Internet
+CS = 2		# the CSNET class (Obsolete - used only for examples in
+		# some obsolete RFCs)
+CH = 3		# the CHAOS class
+HS = 4		# Hesiod [Dyer 87]
+
+# QCLASS values (section 3.2.5)
+
+ANY = 255	# any class
+
+
+# Construct reverse mapping dictionary
+
+_names = dir()
+classmap = {}
+for _name in _names:
+	if _name[0] != '_': classmap[eval(_name)] = _name
+
+def classstr(klass):
+	if classmap.has_key(klass): return classmap[klass]
+	else: return `klass`