make api more easy

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

34
test.py
View File

@ -5,18 +5,30 @@ sys.path.append("zk")
import zk
zk = zk.ZK('192.168.1.201')
status, message = zk.connect()
if status:
print 'Connecting to device ...'
conn = zk.connect()
if conn.get('status'):
print conn
print 'Firmware Version: : {}'.format(zk.get_firmware_version())
users = zk.get_users()
if users:
for uid in users:
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 'Restarting device'
# print zk.restart()
# print 'Turning off device'
# print zk.power_off()
# # users = zk.get_users()
# # if users:
# # for uid in users:
# # 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()
# if status:
# print 'Disonnected !'
# else:
# print 'Disconnecting Error: {}'.format(message)
else:
print message
print 'Connecting Error: {}'.format(conn.get('message'))

View File

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