77 lines
2.3 KiB
Python
Executable File
77 lines
2.3 KiB
Python
Executable File
#!/usr/bin/python
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__author__ = "Michael Rest"
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__date__ = "2016/09/01"
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__email__ = "mr@mir.systems"
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__version__ = "$Revision: 1.1 $"[11:-2]
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from telegram import TELEGRAM, TEL_PD98
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from telegram import tsdecode
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def fromstring (data):
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"""
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Decode the binary representation of a PD_tel from the given
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parameter and note the data in the instance of the object.
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Parameters:
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data: The binary form of the TELEGRAM
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"""
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tel = TEL_PD98 ()
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try:
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tel.attrib['nr'] = (data [0] << 8) + data [1]
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except:
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print ("Debug-Nr", data[0], data[1])
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tel.attrib['src'] = data [2:4].decode ()
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tel.attrib['dst'] = data [4:6].decode ()
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tel.attrib['type'] = data [6:10].decode ()
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tel.attrib['startts'] = tsdecode (data [10:24].decode ())
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tel.attrib['dmcstat'] = chr (data [24]) #25 Fillbyte
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tel.attrib['dmc'] = (data [26:54]).decode ().rstrip (' \x00')
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#tel.attrib['box_nr'] = (ord (data [10]) << 24) + (ord (data [11]) << 16) + (ord (data [12]) << 8) + ord (data [13]) #data [10:14].strip ()
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#tel.attrib['location'] = data [14:18]
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#tel.attrib['destination'] = (ord (data [18]) << 8) + ord (data [19])
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return tel
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class TEL_PD98 (TELEGRAM):
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def __init__ (self, nr = 0, src = 'LV', dst = 'TP', *args, **args2):
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TELEGRAM.__init__(self)
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self.code = TEL_PD98
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self.attrib['nr'] = nr
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self.attrib['src'] = src
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self.attrib['dst'] = dst
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self.attrib['type'] = 'PD98'
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self.attrib['startts'] = ''
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self.attrib['dmcstat'] = 0
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self.attrib['dmc'] = ''
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self.attrib['box_nr'] = 0
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self.attrib['destination'] = 0
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self.len = 2220908
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return
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def identify (self):
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"""
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This method can be used to identify a TELEGRAM by string.
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"""
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return "PD98 TELEGRAM"
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def __repr__ (self):
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"""
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Print a representation of the TPDU. Use this method via
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`-pair to transfer it over the wire. This will just return
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the header data and not the real data!
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"""
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# Note that the data is not included in the length
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return "%c%c%c" % (2, self.code << 4, self.number) + self.data
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def __str__ (self):
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"""
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Return a readable and quite verbose overview of the TPDU instance.
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Use this for debugging purposes or if you're just curious.
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"""
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return "Packet: %s Data: %s" % (self.identify (), repr (self.attrib))
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