import base64
import re
+import socket
import urllib
import urllib2
# XXX TODO
assert False
+
+ def resolve(self, hostname, proto=None):
+ addresses = []
+
+ if proto is None:
+ family = 0
+ elif proto == "ipv6":
+ family = socket.AF_INET6
+ elif proto == "ipv4":
+ family = socket.AF_INET
+ else:
+ raise ValueError("Protocol not supported: %s" % proto)
+
+ # Resolve the host address.
+ response = socket.getaddrinfo(hostname, None, family)
+
+ # Handle responses.
+ for family, socktype, proto, canonname, sockaddr in response:
+ # IPv6
+ if family == socket.AF_INET6:
+ address, port, flow_info, scope_id = sockaddr
+
+ # Only use the global scope.
+ if not scope_id == 0:
+ continue
+
+ # IPv4
+ elif family == socket.AF_INET:
+ address, port = sockaddr
+
+ # Ignore everything else...
+ else:
+ continue
+
+ # Add to repsonse list if not already in there.
+ if not address in addresses:
+ addresses.append(address)
+
+ return addresses