本文整理匯總了Python中shadowsocks.common.UDPAsyncDNSHandler方法的典型用法代碼示例。如果您正苦於以下問題：Python common.UDPAsyncDNSHandler方法的具體用法？Python common.UDPAsyncDNSHandler怎麽用？Python common.UDPAsyncDNSHandler使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類shadowsocks.common的用法示例。
在下文中一共展示了common.UDPAsyncDNSHandler方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _handle_server
# 需要導入模塊: from shadowsocks import common [as 別名]
# 或者: from shadowsocks.common import UDPAsyncDNSHandler [as 別名]
def _handle_server(self):
server = self._server_socket
data, r_addr = server.recvfrom(BUF_SIZE)
ogn_data = data
if not data:
logging.debug('UDP handle_server: data is empty')
if self._stat_callback:
self._stat_callback(self._listen_port, len(data))
uid = None
if self._is_local:
frag = common.ord(data[2])
if frag != 0:
logging.warn('drop a message since frag is not 0')
return
else:
data = data[3:]
else:
ref_iv = [0]
data = encrypt.encrypt_all_iv(self._protocol.obfs.server_info.key, self._method, 0, data, ref_iv)
# decrypt data
if not data:
logging.debug('UDP handle_server: data is empty after decrypt')
return
self._protocol.obfs.server_info.recv_iv = ref_iv[0]
data, uid = self._protocol.server_udp_post_decrypt(data)
#logging.info("UDP data %s" % (binascii.hexlify(data),))
if not self._is_local:
data = pre_parse_header(data)
if data is None:
return
try:
header_result = parse_header(data)
except:
self._handel_protocol_error(r_addr, ogn_data)
return
if header_result is None:
self._handel_protocol_error(r_addr, ogn_data)
return
connecttype, addrtype, dest_addr, dest_port, header_length = header_result
if self._is_local:
addrtype = 3
server_addr, server_port = self._get_a_server()
else:
server_addr, server_port = dest_addr, dest_port
if (addrtype & 7) == 3:
af = common.is_ip(server_addr)
if af == False:
handler = common.UDPAsyncDNSHandler((data, r_addr, uid, header_length))
handler.resolve(self._dns_resolver, (server_addr, server_port), self._handle_server_dns_resolved)
else:
self._handle_server_dns_resolved("", (server_addr, server_port), server_addr, (data, r_addr, uid, header_length))
else:
self._handle_server_dns_resolved("", (server_addr, server_port), server_addr, (data, r_addr, uid, header_length))