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make api more easy

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This commit is contained in:
Fanani M. Ihsan 2016-05-23 23:59:43 +07:00
parent b94bf295b1
commit 88a408d92d
2 changed files with 155 additions and 128 deletions
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34
test.py
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@ -5,18 +5,30 @@ sys.path.append("zk")
import zk import zk
zk = zk.ZK('192.168.1.201') zk = zk.ZK('192.168.1.201')
status, message = zk.connect() print 'Connecting to device ...'
if status: conn = zk.connect()
if conn.get('status'):
print conn
print 'Firmware Version: : {}'.format(zk.get_firmware_version()) print 'Firmware Version: : {}'.format(zk.get_firmware_version())
users = zk.get_users() # print 'Restarting device'
if users: # print zk.restart()
for uid in users: # print 'Turning off device'
if users[uid][2] == 14: # print zk.power_off()
level = 'Admin' # # users = zk.get_users()
else: # # if users:
level = 'User' # # for uid in users:
print "[UID %d]: ID: %s, Name: %s, Level: %s, Password: %s" % ( uid, users[uid][0], users[uid][1], level, users[uid][3] ) # # if users[uid][2] == 14:
# # level = 'Admin'
# # else:
# # level = 'User'
# # print "[UID %d]: ID: %s, Name: %s, Level: %s, Password: %s" % ( uid, users[uid][0], users[uid][1], level, users[uid][3] )
print 'Disconnecting to device ...'
print zk.disconnect() print zk.disconnect()
# if status:
# print 'Disonnected !'
# else:
# print 'Disconnecting Error: {}'.format(message)
else: else:
print message print 'Connecting Error: {}'.format(conn.get('message'))

237
zk/base.py
View File

@ -13,45 +13,73 @@ class ZK(object):
self.__sock = socket(AF_INET, SOCK_DGRAM) self.__sock = socket(AF_INET, SOCK_DGRAM)
self.__sock.settimeout(timeout) self.__sock.settimeout(timeout)
def __create_header(self, command, chksum=0, session_id=0, reply_id=65534, command_string=''): def __create_header(self, command, checksum=0, session_id=0, reply_id=65534, command_string=''):
''' '''
Puts a the parts that make up a packet together and packs them into a byte string Puts a the parts that make up a packet together and packs them into a byte string
''' '''
buf = pack('HHHH', command, chksum, session_id, reply_id) + command_string buf = pack('HHHH', command, checksum, session_id, reply_id) + command_string
buf = unpack('8B'+'%sB' % len(command_string), buf) buf = unpack('8B'+'%sB' % len(command_string), buf)
chksum = unpack('H', self.__create_checksum(buf))[0] checksum = unpack('H', self.__create_checksum(buf))[0]
reply_id += 1 reply_id += 1
if reply_id >= const.USHRT_MAX: if reply_id >= const.USHRT_MAX:
reply_id -= const.USHRT_MAX reply_id -= const.USHRT_MAX
buf = pack('HHHH', command, chksum, session_id, reply_id) buf = pack('HHHH', command, checksum, session_id, reply_id)
return buf + command_string return buf + command_string
def __create_checksum(self, p): def __create_checksum(self, p):
''' '''
Calculates the chksum of the packet to be sent to the time clock Calculates the checksum of the packet to be sent to the time clock
Copied from zkemsdk.c Copied from zkemsdk.c
''' '''
l = len(p) l = len(p)
chksum = 0 checksum = 0
while l > 1: while l > 1:
chksum += unpack('H', pack('BB', p[0], p[1]))[0] checksum += unpack('H', pack('BB', p[0], p[1]))[0]
p = p[2:] p = p[2:]
if chksum > const.USHRT_MAX: if checksum > const.USHRT_MAX:
chksum -= const.USHRT_MAX checksum -= const.USHRT_MAX
l -= 2 l -= 2
if l: if l:
chksum = chksum + p[-1] checksum = checksum + p[-1]
while chksum > const.USHRT_MAX: while checksum > const.USHRT_MAX:
chksum -= const.USHRT_MAX checksum -= const.USHRT_MAX
chksum = ~chksum checksum = ~checksum
while chksum < 0: while checksum < 0:
chksum += const.USHRT_MAX checksum += const.USHRT_MAX
return pack('H', chksum) return pack('H', checksum)
def __send_command(self, command, checksum=0, command_string='', response_size=8):
try:
buf = self.__create_header(command, checksum, self.__sesion_id, self.__reply_id, command_string)
self.__sending_packet(buf)
self.__receive_packet(response_size)
if self.__response == const.CMD_ACK_OK:
return {
'status': True,
'code': self.__response,
'message': 'success',
'data': self.__data_recv
}
else:
return {
'status': False,
'code': self.__response,
'message': 'failed',
'data': self.__data_recv
}
except Exception, e:
return {
'status': False,
'code': const.CMD_ACK_ERROR,
'message': str(e),
'data': ''
}
def __sending_packet(self, buf): def __sending_packet(self, buf):
self.__sock.sendto(buf, self.__address) self.__sock.sendto(buf, self.__address)
@ -68,10 +96,14 @@ class ZK(object):
@property @property
def __sesion_id(self): def __sesion_id(self):
if not self.__data_recv:
return 0
return unpack('HHHH', self.__data_recv[:8])[2] return unpack('HHHH', self.__data_recv[:8])[2]
@property @property
def __reply_id(self): def __reply_id(self):
if not self.__data_recv:
return const.USHRT_MAX - 1
return unpack('HHHH', self.__data_recv[:8])[3] return unpack('HHHH', self.__data_recv[:8])[3]
def connect(self): def connect(self):
@ -80,17 +112,13 @@ class ZK(object):
''' '''
command = const.CMD_CONNECT command = const.CMD_CONNECT
try: cmd_response = self.__send_command(command)
buf = self.__create_header(command=command) cmd_response['data'] = ''
self.__sending_packet(buf) if cmd_response.get('status'):
self.__receive_packet(8) cmd_response['message'] = 'connected'
return cmd_response
if self.__response == const.CMD_ACK_OK:
return (True, self.__response)
else: else:
return (False, self.__response) return cmd_response
except Exception, e:
return (False, e)
def disconnect(self): def disconnect(self):
''' '''
@ -98,30 +126,23 @@ class ZK(object):
''' '''
command = const.CMD_EXIT command = const.CMD_EXIT
try: cmd_response = self.__send_command(command)
buf = self.__create_header(command=command, session_id=self.__sesion_id, reply_id=self.__reply_id) cmd_response['data'] = ''
self.__sending_packet(buf) if cmd_response.get('status'):
self.__receive_packet(8) cmd_response['message'] = 'disconnected'
if self.__response == const.CMD_ACK_OK: return cmd_response
return (True, self.__response)
else: else:
return (False, self.__response) return cmd_response
except Exception, e:
return (False, e)
def get_firmware_version(self): def get_firmware_version(self):
command = const.CMD_GET_VERSION command = const.CMD_GET_VERSION
try: cmd_response = self.__send_command(command, response_size=1024)
buf = self.__create_header(command=command, session_id=self.__sesion_id, reply_id=self.__reply_id) if cmd_response.get('status'):
self.__sending_packet(buf) cmd_response['data'] = cmd_response.get('data')[8:].strip('\x00|\x01\x10x')
self.__receive_packet(1024) return cmd_response
if self.__response == const.CMD_ACK_OK:
version = self.__data_recv[8:]
return version
else: else:
return (False, self.__response) cmd_response['data'] = ''
except Exception, e: return cmd_response
return (False, e)
def restart(self): def restart(self):
''' '''
@ -129,16 +150,13 @@ class ZK(object):
''' '''
command = const.CMD_RESTART command = const.CMD_RESTART
try: cmd_response = self.__send_command(command)
buf = self.__create_header(command=command, session_id=self.__sesion_id, reply_id=self.__reply_id) cmd_response['data'] = ''
self.__sending_packet(buf) if cmd_response.get('status'):
self.__receive_packet(8) cmd_response['message'] = 'device restarted'
if self.__response == const.CMD_ACK_OK: return cmd_response
return (True, self.__response)
else: else:
return (False, self.__response) return cmd_response
except Exception, e:
return (False, e)
def power_off(self): def power_off(self):
''' '''
@ -146,79 +164,76 @@ class ZK(object):
''' '''
command = const.CMD_POWEROFF command = const.CMD_POWEROFF
try: cmd_response = self.__send_command(command)
buf = self.__create_header(command=command, session_id=self.__sesion_id, reply_id=self.__reply_id) cmd_response['data'] = ''
self.__sending_packet(buf) if cmd_response.get('status'):
self.__receive_packet(8) cmd_response['message'] = 'device turning off'
if self.__response == const.CMD_ACK_OK: return cmd_response
return (True, self.__response)
else: else:
return (False, self.__response) return cmd_response
except Exception, e:
return (False, e)
def __get_size_user(self): # def __get_size_user(self):
"""Checks a returned packet to see if it returned CMD_PREPARE_DATA, # """Checks a returned packet to see if it returned CMD_PREPARE_DATA,
indicating that data packets are to be sent # indicating that data packets are to be sent
Returns the amount of bytes that are going to be sent""" # Returns the amount of bytes that are going to be sent"""
response = self.__response # response = self.__response
if response == const.CMD_PREPARE_DATA: # if response == const.CMD_PREPARE_DATA:
size = unpack('I', self.__data_recv[8:12])[0] # size = unpack('I', self.__data_recv[8:12])[0]
return size # return size
else: # else:
return 0 # return 0
def get_users(self): # def get_users(self):
command = const.CMD_USERTEMP_RRQ # command = const.CMD_USERTEMP_RRQ
command_string = chr(5) # command_string = chr(5)
try: # try:
buf = self.__create_header(command=command, session_id=self.__sesion_id, reply_id=self.__reply_id, command_string=command_string) # buf = self.__create_header(command=command, session_id=self.__sesion_id, reply_id=self.__reply_id, command_string=command_string)
self.__sending_packet(buf) # self.__sending_packet(buf)
self.__receive_packet(1024) # self.__receive_packet(1024)
bytes = self.__get_size_user() # bytes = self.__get_size_user()
userdata = [] # userdata = []
if bytes: # if bytes:
while bytes > 0: # while bytes > 0:
data_recv, addr = self.__sock.recvfrom(1032) # data_recv, addr = self.__sock.recvfrom(1032)
userdata.append(data_recv) # userdata.append(data_recv)
bytes -= 1024 # bytes -= 1024
self.__receive_packet(8) # self.__receive_packet(8)
users = {} # users = {}
if len(userdata) > 0: # if len(userdata) > 0:
# The first 4 bytes don't seem to be related to the user # # The first 4 bytes don't seem to be related to the user
for x in xrange(len(userdata)): # for x in xrange(len(userdata)):
if x > 0: # if x > 0:
userdata[x] = userdata[x][8:] # userdata[x] = userdata[x][8:]
userdata = ''.join(userdata) # userdata = ''.join(userdata)
userdata = userdata[11:] # userdata = userdata[11:]
while len(userdata) > 72: # while len(userdata) > 72:
uid, role, password, name, userid = unpack( '2s2s8s28sx31s', userdata.ljust(72)[:72]) # uid, role, password, name, userid = unpack( '2s2s8s28sx31s', userdata.ljust(72)[:72])
uid = int( uid.encode("hex"), 16) # uid = int( uid.encode("hex"), 16)
# Clean up some messy characters from the user name # # Clean up some messy characters from the user name
password = password.split('\x00', 1)[0] # password = password.split('\x00', 1)[0]
password = unicode(password.strip('\x00|\x01\x10x'), errors='ignore') # password = unicode(password.strip('\x00|\x01\x10x'), errors='ignore')
userid = unicode(userid.strip('\x00|\x01\x10x'), errors='ignore') # userid = unicode(userid.strip('\x00|\x01\x10x'), errors='ignore')
name = name.split('\x00', 1)[0] # name = name.split('\x00', 1)[0]
if not name: # if not name:
name = uid # name = uid
users[uid] = (userid, name, int( role.encode("hex"), 16 ), password) # users[uid] = (userid, name, int( role.encode("hex"), 16 ), password)
userdata = userdata[72:] # userdata = userdata[72:]
return users # return users
except Exception, e: # except Exception, e:
return (False, e) # return (False, e)