from __future__ import absolute_import, division, print_function, \
with_statement
import os
import socket
import struct
import re
import logging
from shadowsocks import common, lru_cache, eventloop, shell
CACHE_SWEEP_INTERVAL = 30
VALID_HOSTNAME = re.compile(br"(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
common.patch_socket()
# rfc1035
# format
# +---------------------+
# | Header |
# +---------------------+
# | Question | the question for the name server
# +---------------------+
# | Answer | RRs answering the question
# +---------------------+
# | Authority | RRs pointing toward an authority
# +---------------------+
# | Additional | RRs holding additional information
# +---------------------+
#
import os
import socket
import struct
import re,sys
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '../'))
os.chdir(os.path.dirname(__file__))
from shadowsocks import common, lru_cache, eventloop, shell
import logging
CACHE_SWEEP_INTERVAL = 30
VALID_HOSTNAME = re.compile(br"(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
common.patch_socket()
# rfc1035
# format
# +---------------------+
# | Header |
# +---------------------+
# | Question | the question for the name server
# +---------------------+
# | Answer | RRs answering the question
# +---------------------+
# | Authority | RRs pointing toward an authority
# +---------------------+
# | Additional | RRs holding additional information
# +---------------------+
#
