本文整理匯總了Python中shadowsocks.common.int32方法的典型用法代碼示例。如果您正苦於以下問題：Python common.int32方法的具體用法？Python common.int32怎麽用？Python common.int32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.int32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: server_post_decrypt
# 需要導入模塊: from shadowsocks import common [as 別名]
# 或者: from shadowsocks.common import int32 [as 別名]
def server_post_decrypt(self, buf):
if self.raw_trans:
return buf
self.recv_buf += buf
out_buf = b''
while len(self.recv_buf) > 2:
length = struct.unpack('>H', self.recv_buf[:2])[0]
if length >= 8192:
self.raw_trans = True
self.recv_buf = b''
if self.decrypt_packet_num == 0:
logging.info('auth_simple: over size')
return b'E'
else:
raise Exception('server_post_decrype data error')
if length > len(self.recv_buf):
break
if (binascii.crc32(self.recv_buf[:length]) & 0xffffffff) != 0xffffffff:
logging.info('auth_simple: crc32 error, data %s' % (binascii.hexlify(self.recv_buf[:length]),))
self.raw_trans = True
self.recv_buf = b''
if self.decrypt_packet_num == 0:
return b'E'
else:
raise Exception('server_post_decrype data uncorrect CRC32')
pos = common.ord(self.recv_buf[2]) + 2
out_buf += self.recv_buf[pos:length - 4]
if not self.has_recv_header:
if len(out_buf) < 12:
self.raw_trans = True
self.recv_buf = b''
logging.info('auth_simple: too short')
return b'E'
utc_time = struct.unpack('<I', out_buf[:4])[0]
client_id = struct.unpack('<I', out_buf[4:8])[0]
connection_id = struct.unpack('<I', out_buf[8:12])[0]
time_dif = common.int32((int(time.time()) & 0xffffffff) - utc_time)
if time_dif < -self.max_time_dif or time_dif > self.max_time_dif \
or common.int32(utc_time - self.server_info.data.startup_time) < 0:
self.raw_trans = True
self.recv_buf = b''
logging.info('auth_simple: wrong timestamp, time_dif %d, data %s' % (time_dif, binascii.hexlify(out_buf),))
return b'E'
elif self.server_info.data.insert(client_id, connection_id):
self.has_recv_header = True
out_buf = out_buf[12:]
self.client_id = client_id
self.connection_id = connection_id
else:
self.raw_trans = True
self.recv_buf = b''
logging.info('auth_simple: auth fail, data %s' % (binascii.hexlify(out_buf),))
return b'E'
self.recv_buf = self.recv_buf[length:]
if out_buf:
self.server_info.data.update(self.client_id, self.connection_id)
self.decrypt_packet_num += 1
return out_buf