| 1 | #!/usr/bin/env python
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| 2 | # NPM 4000 powerbar managment script, to be used instead of the windows
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| 3 | # application.
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| 4 | #
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| 5 | # XXX: Not all features are ported yet (like amp monitoring)
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| 6 | # XXX: Some dirty poking around with hex representations and numeric representations of ports
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| 7 | # XXX: Make proper classes for use
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| 8 | # XXX: Documentation
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| 9 | #
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| 10 | # TODO: Make it work for the NPM2000 series, which are using a different codes to address individual ports.
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| 11 | #
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| 12 | #
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| 13 | # Licence: BSD
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| 14 | # Version: $Id: npm4000.py 750 2009-09-27 14:34:55Z rick $
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| 15 | # Rick van der Zwet <info@rickvanderzwet.nl>
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| 16 |
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| 17 | import socket, time
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| 18 | import getopt, sys
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| 19 |
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| 20 | MAX_BUFFER = 100
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| 21 | # NPM4000
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| 22 | MAX_PORTS = 24
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| 23 | # NPM2000
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| 24 | # MAX_PORTS = 8
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| 25 |
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| 26 | # XOR all the 8bit values to get a checksum
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| 27 | def checksum(s):
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| 28 | crc = 0
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| 29 | for p in range(0, len(s),2):
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| 30 | crc ^= int(s[p:p+2], 16)
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| 31 | return "%02X" % crc
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| 32 |
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| 33 | inet_addr = '192.168.0.178'
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| 34 | inet_port = 4001
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| 35 |
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| 36 | passwd = 0x12345678
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| 37 | addr_code = 0xFFFF
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| 38 |
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| 39 | verbose = False
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| 40 |
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| 41 | cmd2code = { 'login' : (0x5507, 1),
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| 42 | 'portOn' : (0xB204, 2),
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| 43 | 'portOff' : (0xC204, 2),
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| 44 | 'allPortsOff' : (0xC103, 6),
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| 45 | 'allPortsOn' : (0xB104, 15),
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| 46 | 'status' : (0xD103, 2),
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| 47 | 'knownError' : (0xFFFF, 1),
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| 48 | }
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| 49 |
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| 50 | # Socket used troughout the code
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| 51 | s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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| 52 |
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| 53 | def getCode(type):
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| 54 | return(cmd2code[type][0])
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| 55 |
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| 56 | def getTimeout(type):
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| 57 | return(cmd2code[type][1])
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| 58 |
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| 59 | def dprint(msg):
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| 60 | if verbose:
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| 61 | print time.strftime('[%Y-%m-%d %H:%M:%S]'), msg
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| 62 |
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| 63 | def getPortNumber(name):
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| 64 | port_char = name[0]
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| 65 | port_number = int(name[1])
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| 66 | number = -1
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| 67 | if port_char == 'A':
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| 68 | number = port_number
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| 69 | elif port_char == 'B':
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| 70 | number = port_number + 8
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| 71 | elif port_char == 'C':
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| 72 | number = port_number + 16
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| 73 | else:
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| 74 | raise ValueError, "Port %s not defined" % name
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| 75 |
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| 76 | return(number)
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| 77 |
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| 78 | def getPortName(number):
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| 79 | if MAX_PORTS == 8:
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| 80 | name = "%i" % number
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| 81 | else:
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| 82 | if number <= 8:
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| 83 | name = "%Ai" % number
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| 84 | elif number <= 16:
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| 85 | name = "B%i" % (number - 8)
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| 86 | elif number <= 24:
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| 87 | name = "C%i" % (number - 16)
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| 88 | else:
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| 89 | raise ValueError, "Port %i not defined" % number
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| 90 | return(name)
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| 91 |
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| 92 | def getPortHex(number):
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| 93 | return(int(getPortName(number),16))
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| 94 |
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| 95 | def generateCommand(type,arg=None):
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| 96 | if arg == None:
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| 97 | command = "%04X%04X" % (getCode(type), addr_code)
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| 98 | else:
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| 99 | command = "%04X%04X%02X" % (getCode(type), addr_code, arg)
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| 100 | command += checksum(command)
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| 101 | return (command)
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| 102 |
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| 103 |
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| 104 | def sendCommand(type, arg=None):
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| 105 | cmd = generateCommand(type,arg)
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| 106 | timeout = getTimeout(type)
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| 107 | dprint('Send: ' + cmd + ' (%s)' % (type))
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| 108 | s.send(cmd)
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| 109 | s.settimeout(timeout)
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| 110 | try:
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| 111 | retval = s.recv(MAX_BUFFER)
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| 112 | dprint('Recv: ' + retval)
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| 113 | except socket.timeout:
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| 114 | retval = None
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| 115 | print 'Recv: ERR timeout (wrong command, bad connection)'
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| 116 | #XXX: XOR Checking for data correctness
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| 117 | return(retval)
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| 118 |
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| 119 | def doCommand(type, arg=None):
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| 120 | sendCommand('login', passwd)
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| 121 | retval = sendCommand(type, arg)
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| 122 | #XXX: Check if command returned succesfull D128FF
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| 123 | return(retval)
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| 124 |
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| 125 |
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| 126 | def getPortState(port, raw_status):
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| 127 | """Port configuration is put into 24 bits, every port has one bit
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| 128 | representing the statewith a awkward order:
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| 129 | A8,A7,A6,A5,A4,A3,A2,A1,B8,..,B1,C8,..,C1"""
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| 130 | # Portion of retval we are interested in
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| 131 | ports_state = int(raw_status[8:14],16)
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| 132 | port_bit_location = -1
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| 133 | if port <= 8:
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| 134 | port_bit_location = (1 << 15 << port)
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| 135 | elif port <= 16:
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| 136 | port_bit_location = (1 << 7 << (port - 8))
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| 137 | elif port <= 24:
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| 138 | port_bit_location = (1 << (port - 16 - 1))
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| 139 |
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| 140 | if port_bit_location & ports_state:
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| 141 | return True
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| 142 | else:
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| 143 | return False
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| 144 |
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| 145 | def getPortStatus(i):
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| 146 | raw_status = doCommand('status')
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| 147 | print "Port %02i [%s]:" % (i, getPortName(i)),
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| 148 | if getPortState(i,raw_status):
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| 149 | print "1"
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| 150 | else:
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| 151 | print "0"
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| 152 | return(retval)
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| 153 |
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| 154 | def getStatusAll():
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| 155 | raw_status= doCommand('status')
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| 156 | for i in range(1,MAX_PORTS+1):
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| 157 | print "Port %02i [%s]:" % (i, getPortName(i)),
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| 158 | if getPortState(i,raw_status):
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| 159 | print "1"
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| 160 | else:
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| 161 | print "0"
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| 162 |
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| 163 | def togglePort(port):
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| 164 | raw_status= doCommand('status')
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| 165 | if getPortState(port,raw_status):
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| 166 | doCommand('portOff',port)
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| 167 | else:
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| 168 | doCommand('portOn', port)
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| 169 |
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| 170 |
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| 171 | def runTest():
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| 172 | print "TEST: Start will all port Offline"
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| 173 | doCommand('allPortsOff')
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| 174 |
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| 175 | print "TEST: All On and Off again, in mass execution"
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| 176 | doCommand('allPortsOn',0x01)
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| 177 | doCommand('allPortsOff')
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| 178 |
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| 179 | print "TEST: Enable and disable ports one by one"
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| 180 | for i in range(1,MAX_PORTS+1):
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| 181 | print getPortName(i)
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| 182 | doCommand('portOn', getPortHex(i))
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| 183 | doCommand('portOff', getPortHex(i))
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| 184 |
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| 185 | print "TEST: Send known error"
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| 186 | doCommand('knownError')
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| 187 |
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| 188 |
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| 189 | def usage():
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| 190 | print """
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| 191 | Usage %s arguments
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| 192 | Version: $Id: npm4000.py 750 2009-09-27 14:34:55Z rick $
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| 193 |
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| 194 | Arguments:
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| 195 | [-h|--help] Reading right know
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| 196 | [-v|--verbose] Print extra communication output
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| 197 | --host= IP adress of FQDN hostname [%s]
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| 198 | --port= Port to connect to [%s]
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| 199 | --password= Password to use in hex notation [0x1234568]
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| 200 | --addresscode= Internal device number in hex notation [0xFFFF]
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| 201 | [-s|--status] Current port configuration
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| 202 | [-t <port>|--toggle=<port>] Toggle port(s)
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| 203 | [-o <port>|--on=<port>] Turn on port(s)
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| 204 | [-f <port>|--off=<port>] Turn off port(s)
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| 205 |
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| 206 | Note: <port> has different notations:
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| 207 | Numeric value of port 1,2,3,4,5,..
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| 208 | Actual value of port A1,..,A8,B1,..,B8,C1,..,C8
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| 209 | All ports all
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| 210 | """ % (sys.argv[0], inet_addr, inet_port)
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| 211 |
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| 212 | def main():
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| 213 | global verbose, addr_code, inet_addr, inet_port, passwd, s
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| 214 | try:
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| 215 | opts, args = getopt.getopt(sys.argv[1:],
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| 216 | "hf:s:t:o:v", ["help","verbose","host=", "port=", "password=", "addresscode=","toggle=","off=", "on=", "status="])
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| 217 | except getopt.GetoptError, err:
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| 218 | # print help information and exit:
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| 219 | print str(err) # will print something like "option -a not recognized"
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| 220 | usage()
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| 221 | sys.exit(2)
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| 222 |
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| 223 | opt_port = None
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| 224 | opt_action = None
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| 225 | for o, a in opts:
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| 226 | if o in ("-v", "--verbose"):
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| 227 | verbose = True
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| 228 | elif o in ("-h", "--help"):
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| 229 | usage()
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| 230 | sys.exit()
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| 231 | elif o in ("--addresscode"):
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| 232 | addr_code = int(a,16)
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| 233 | elif o in ("--host"):
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| 234 | inet_addr = a
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| 235 | elif o in ("--password"):
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| 236 | passwd = int(a,16)
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| 237 | elif o in ("--port"):
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| 238 | inet_port = a
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| 239 | elif o in ("-s", "--status"):
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| 240 | opt_action = "status"
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| 241 | opt_port = a
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| 242 | elif o in ("-t","--toggle"):
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| 243 | opt_action = "toggle"
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| 244 | opt_port = a
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| 245 | elif o in ("-f","--off"):
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| 246 | opt_action = "off"
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| 247 | opt_port = a
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| 248 | elif o in ("-o","--on"):
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| 249 | opt_action = "on"
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| 250 | opt_port = a
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| 251 | else:
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| 252 | assert False, "unhandled option"
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| 253 |
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| 254 | if (opt_port == None or opt_action == None):
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| 255 | usage()
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| 256 | sys.exit(2)
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| 257 |
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| 258 | dprint ('action: ' + opt_action + ' port: ' + opt_port)
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| 259 |
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| 260 | s.connect((inet_addr, inet_port))
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| 261 |
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| 262 | # Status needs real integers, hack
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| 263 | if opt_action == "status":
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| 264 | if opt_port == "all":
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| 265 | getStatusAll()
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| 266 | else:
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| 267 | print "XXX: Implement"
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| 268 | sys.exit(0)
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| 269 |
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| 270 | # Resolve port to proper number
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| 271 | if opt_port == "all":
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| 272 | None # Blank resolution, as it is done elsewhere
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| 273 | elif opt_port[0] in ("A","B","C"):
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| 274 | opt_port = int(opt_port,16)
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| 275 | dprint('Hexcode of port: %i' % opt_port)
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| 276 | else:
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| 277 | # Dirty hack to have conversion and checking at the same time
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| 278 | opt_port = getPortHex(int(opt_port))
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| 279 | dprint('Hexcode of port: %i' % opt_port)
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| 280 |
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| 281 | if opt_action == "toggle":
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| 282 | if opt_port == "all":
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| 283 | for i in range(1,MAX_PORTS+1):
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| 284 | togglePort(getPortHex(i))
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| 285 | else:
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| 286 | togglePort(opt_port)
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| 287 | elif opt_action == "on":
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| 288 | if opt_port == "all":
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| 289 | doCommand("allPortsOn",0x01)
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| 290 | else:
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| 291 | doCommand("portOn", opt_port)
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| 292 | elif opt_action == "off":
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| 293 | if opt_port == "all":
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| 294 | doCommand("allPortsOff");
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| 295 | else:
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| 296 | doCommand("portOff", opt_port)
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| 297 |
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| 298 |
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| 299 | if __name__ == "__main__":
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| 300 | main()
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