sfp_dns.py 文件源码

def resolveHost(self, hostname):
        if hostname in self.resolveCache:
            self.sf.debug("Returning cached result for " + hostname + " (" +
                          str(self.resolveCache[hostname]) + ")")
            return self.resolveCache[hostname]

        try:
            addrs = self.sf.normalizeDNS(socket.gethostbyname_ex(hostname))
            self.resolveCache[hostname] = addrs
            self.sf.debug("Resolved " + hostname + " to: " + str(addrs))
            return addrs
        except BaseException as e:
            self.sf.debug("Unable to resolve " + hostname + " (" + str(e) + ")")
            return list()

    # Resolve a host to IPv6