an_report.py 文件源码

def host_cache_lookup(ip):
        try:
                return host_cache[ip]
        except KeyError:
                pass

        try:
                hname = socket.gethostbyaddr(ip)[0]
                host_cache[ip] = hname

                host_cache_add()

                return host_cache[ip]
        except socket.herror:
                pass

        host_cache[ip] = ip
        return host_cache[ip]

# Countries we're not allowed to report on (iran, north korea)