% PNIO RPC layer test campaign

+ Syntax check
= Import the PNIO RPC layer
from scapy.contrib.dce_rpc import *
from scapy.contrib.pnio_rpc import *
from scapy.modules.six import itervalues

= Check that we have UUIDs

for v in itervalues(RPC_INTERFACE_UUID):
    assert(isinstance(v, UUID))

+ Check Block

= Block default values
bytes(Block()) == bytearray.fromhex('000000020100')

= Block basic example
bytes(Block(load=b'\x01\x02\x03')) == bytearray.fromhex('000000050100010203')

= Block has no payload (only padding)
p = Block(bytearray.fromhex('000000050100010203040506'))
p == Block(block_length=5, load=b'\x01\x02\x03') / conf.padding_layer(b'\x04\x05\x06')


####################################################################
####################################################################

+ Check IODControlReq

= IODControlReq default values
bytes(IODControlReq()) == bytearray.fromhex('0000001c01000000000000000000000000000000000000000000000000000000')

= IODControlReq basic example (IODControlReq PrmEnd control)
bytes(IODControlReq(ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=2, ControlCommand_PrmEnd=1)) == bytearray.fromhex('0110001c010000000123456789abcdef0123456789abcdef0002000000010000')

= IODControlReq dissection
p = IODControlReq(bytearray.fromhex('0118001c010000000123456789abcdef0123456789abcdef0005000000400000ef'))
p == IODControlReq(ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=5, ControlCommand_PrmBegin=1, block_type='IODBlockReq_connect_begin', block_length=28, padding=b'\0\0') / conf.padding_layer(b'\xef')

= IODControlReq response
p = p.get_response()
p == IODControlRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=5, block_type='IODBlockRes_connect_begin')

####################################################################

+ Check IODControlRes

= IODControlRes default values
bytes(IODControlRes()) == bytearray.fromhex('8110001c01000000000000000000000000000000000000000000000000080000')

= IODControlRes basic example (IODControlRes PrmEnd control)
bytes(IODControlRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=2, block_type='IODBlockRes_connect_end')) == bytearray.fromhex('8110001c010000000123456789abcdef0123456789abcdef0002000000080000')

= IODControlRes dissection
p = IODControlRes(bytearray.fromhex('8118001c010000000123456789abcdef0123456789abcdef0005000000080000ef'))
p == IODControlRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=5, block_type='IODBlockRes_connect_begin', block_length=28, padding=b'\0\0') / conf.padding_layer(b'\xef')


####################################################################
####################################################################

+ Check IODWriteReq

= IODWriteReq default values
bytes(IODWriteReq()) == bytearray.fromhex('0008003c010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000')

= IODWriteReq basic example
bytes(IODWriteReq(
  ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
  index=0x4321
  ) / b'\xab\xcd'
  ) == bytearray.fromhex('0008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000002000000000000000000000000000000000000000000000000abcd')

= IODWriteReq dissection
p = IODWriteReq(bytearray.fromhex('0008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000002000000000000000000000000000000000000000000000000abcdef'))
p == IODWriteReq(ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
  index=0x4321, block_length=60, recordDataLength=2, padding='\0\0', RWPadding=b'\0'*24
  ) / b'\xab\xcd' / conf.padding_layer(b'\xef')

= IODWriteReq response
p = p.get_response()
p == IODWriteRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
  index=0x4321)

####################################################################

+ Check IODWriteRes

= IODWriteRes default values
bytes(IODWriteRes()) == bytearray.fromhex('8008003c010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000')

= IODWriteRes basic example
bytes(IODWriteRes(
  ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
  index=0x4321
  )) == bytearray.fromhex('8008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000000000000000000000000000000000000000000000000000000')

= IODWriteRes dissection
p = IODWriteRes(bytearray.fromhex('8008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000000000000000000000000000000000000000000000000000000ef'))
p == IODWriteRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
  index=0x4321, recordDataLength=0, block_length=60, padding=b'\0\0', RWPadding=b'\0'*16
  ) / conf.padding_layer(b'\xef')


####################################################################
####################################################################

+ Check IODWriteMultipleReq

#########
= IODWriteMultipleReq default values
bytes(IODWriteMultipleReq()) == bytearray.fromhex('0008003c0100000000000000000000000000000000000000ffffffffffffffff0000e04000000000000000000000000000000000000000000000000000000000')

#########
= IODWriteMultipleReq basic example
bytes(IODWriteMultipleReq(ARUUID='01234567-89ab-cdef-0123-456789abcdef', blocks=[
  IODWriteReq(
    ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
    index=0x4321
    ) / b'\xab\xcd',
  IODWriteReq(
    ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=2, API=2, slotNumber=3, subslotNumber=4,
    index=0x1234
    ) / b'\x01\x02',
  ])
  ) == bytearray.fromhex('0008003c010000000123456789abcdef0123456789abcdefffffffffffffffff0000e04000000086000000000000000000000000000000000000000000000000') + \
       bytearray.fromhex('0008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000002000000000000000000000000000000000000000000000000abcd') + b'\0\0' + \
       bytearray.fromhex('0008003c010000020123456789abcdef0123456789abcdef000000020003000400001234000000020000000000000000000000000000000000000000000000000102')

#########
= IODWriteMultipleReq dissection
p = IODWriteMultipleReq(
  bytearray.fromhex('0008003c010000000123456789abcdef0123456789abcdefffffffffffffffff0000e04000000086000000000000000000000000000000000000000000000000') + \
  bytearray.fromhex('0008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000002000000000000000000000000000000000000000000000000abcd') + b'\0\0' + \
  bytearray.fromhex('0008003c010000020123456789abcdef0123456789abcdef000000020003000400001234000000020000000000000000000000000000000000000000000000000102') + b'\xef'
  )
p == IODWriteMultipleReq(ARUUID='01234567-89ab-cdef-0123-456789abcdef', recordDataLength=0x86,
  padding=b'\0'*2, RWPadding=b'\0'*24, block_length=60, blocks=[
    IODWriteReq(
      ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
      index=0x4321, recordDataLength=2, padding=b'\0'*2, RWPadding=b'\0'*24, block_length=60
      ) / b'\xab\xcd',
    IODWriteReq(
      ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=2, API=2, slotNumber=3, subslotNumber=4,
      index=0x1234, recordDataLength=2, padding=b'\0'*2, RWPadding=b'\0'*24, block_length=60
      ) / b'\x01\x02',
    ]) / conf.padding_layer(b'\xef')

#########
= IODWriteMultipleReq response
p = p.get_response()
p == IODWriteMultipleRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', blocks=[
  IODWriteRes(
    ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
    index=0x4321
    ),
  IODWriteRes(
    ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=2, API=2, slotNumber=3, subslotNumber=4,
    index=0x1234
    ),
  ])


####################################################################

+ Check IODWriteMultipleRes

= IODWriteMultipleRes default values
bytes(IODWriteMultipleRes()) == bytearray.fromhex('8008003c0100000000000000000000000000000000000000ffffffffffffffff0000e04000000000000000000000000000000000000000000000000000000000')

= IODWriteMultipleRes basic example
bytes(IODWriteMultipleRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', blocks=[
  IODWriteRes(
    ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
    index=0x4321
    ),
  IODWriteRes(
    ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=2, API=2, slotNumber=3, subslotNumber=4,
    index=0x1234
    ),
  ])
  ) == bytearray.fromhex('8008003c010000000123456789abcdef0123456789abcdefffffffffffffffff0000e04000000080000000000000000000000000000000000000000000000000') + \
       bytearray.fromhex('8008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000000000000000000000000000000000000000000000000000000') + \
       bytearray.fromhex('8008003c010000020123456789abcdef0123456789abcdef00000002000300040000123400000000000000000000000000000000000000000000000000000000')

= IODWriteMultipleRes dissection
p = IODWriteMultipleRes(
  bytearray.fromhex('8008003c010000000123456789abcdef0123456789abcdefffffffffffffffff0000e04000000080000000000000000000000000000000000000000000000000') + \
  bytearray.fromhex('8008003c010000010123456789abcdef0123456789abcdef00000001000200030000432100000000000000000000000000000000000000000000000000000000') + \
  bytearray.fromhex('8008003c010000020123456789abcdef0123456789abcdef00000002000300040000123400000000000000000000000000000000000000000000000000000000') + b'\xef'
  )
p == IODWriteMultipleRes(ARUUID='01234567-89ab-cdef-0123-456789abcdef', recordDataLength=0x80,
  padding=b'\0'*2, RWPadding=b'\0'*16, block_length=60, blocks=[
    IODWriteRes(
      ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=1, API=1, slotNumber=2, subslotNumber=3,
      index=0x4321, recordDataLength=0, padding=b'\0'*2, RWPadding=b'\0'*16, block_length=60
      ),
    IODWriteRes(
      ARUUID='01234567-89ab-cdef-0123-456789abcdef', seqNum=2, API=2, slotNumber=3, subslotNumber=4,
      index=0x1234, recordDataLength=0, padding=b'\0'*2, RWPadding=b'\0'*16, block_length=60
      ),
    ]) / conf.padding_layer(b'\xef')


####################################################################
####################################################################

+ Check ARBlockReq

= ARBlockReq default values
bytes(ARBlockReq()) == bytearray.fromhex('0101003601000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000103e888920000')

= ARBlockReq basic example
bytes(ARBlockReq(
  ARType='IOCARSingle', ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=1,
  CMInitiatorObjectUUID='dea00000-6c97-11d1-8271-010203040506', ARProperties_ParametrizationServer='CM_Initator',
  CMInitiatorStationName='plc1')
  ) == bytearray.fromhex('0101003a010000010123456789abcdef0123456789abcdef0001000000000000dea000006c9711d182710102030405060000001103e888920004') + b'plc1'

= ARBlockReq dissection
p = ARBlockReq(bytearray.fromhex('0101003a010000010123456789abcdef0123456789abcdef0001010203040506dea000006c9711d182710102030405060000001103e888920004') + b'plc1' + b'\xef')
p == ARBlockReq(
  ARType='IOCARSingle', ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=1,
  CMInitiatorObjectUUID='dea00000-6c97-11d1-8271-010203040506', ARProperties_ParametrizationServer='CM_Initator',
  CMInitiatorMacAdd='01:02:03:04:05:06', StationNameLength=4, CMInitiatorStationName='plc1', block_length=58
  ) / conf.padding_layer(b'\xef')

= ARBlockReq response
p = p.get_response()
p == ARBlockRes(ARType='IOCARSingle', ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=1)

####################################################################

+ Check ARBlockRes

= ARBlockRes default values
bytes(ARBlockRes()) == bytearray.fromhex('8101001e010000010000000000000000000000000000000000000000000000008892')

= ARBlockRes basic example
bytes(
  ARBlockRes(ARType='IOCARSingle', ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=1)
  ) == bytearray.fromhex('8101001e010000010123456789abcdef0123456789abcdef00010000000000008892')

= ARBlockRes dissection
p = ARBlockRes(bytearray.fromhex('8101001e010000010123456789abcdef0123456789abcdef00010102030405068892ef'))
p == ARBlockRes(
  ARType='IOCARSingle', ARUUID='01234567-89ab-cdef-0123-456789abcdef', SessionKey=1,
  CMResponderMacAdd='01:02:03:04:05:06', block_length=30) / conf.padding_layer(b'\xef')


####################################################################
####################################################################

+ Check IOCRBlockReq

= IOCRBlockReq default values
bytes(IOCRBlockReq()) == bytearray.fromhex('0102002a010000010001889200000000002880000020002000010000ffffffff000a000ac0000000000000000000')

= IOCRAPI default values
bytes(IOCRAPI()) == bytearray.fromhex('0000000000000000')

= IOCRAPIObject default values
bytes(IOCRAPIObject()) == bytearray.fromhex('000000000000')

= IOCRBlockReq basic example
p = IOCRBlockReq(
  IOCRType='OutputCR', IOCRReference=1, SendClockFactor=2,
  ReductionRatio=32, DataLength=47, FrameID=0x8014,
  APIs=[
    IOCRAPI(
      API=4,
      IODataObjects=[
        IOCRAPIObject(SlotNumber=2, SubslotNumber=1, FrameOffset=0),
        IOCRAPIObject(SlotNumber=1, SubslotNumber=1, FrameOffset=9),
        ]
      ),
    IOCRAPI(
      API=0,
      IODataObjects=[
        IOCRAPIObject(SlotNumber=3, SubslotNumber=1, FrameOffset=15),
        ],
      IOCSs=[
        IOCRAPIObject(SlotNumber=3, SubslotNumber=1, FrameOffset=4),
        ],
      ),
    ]
  )
bytes(p) == \
  bytearray.fromhex('01020052010000020001889200000000002f80140002002000010000ffffffff000a000ac0000000000000000002' + \
    '0000000400020002000100000001000100090000' + \
    '00000000000100030001000f0001000300010004')

= IOCRBlockReq dissection
p = IOCRBlockReq(
  bytearray.fromhex('01020052010000020001889200000000002f80140002002000010000ffffffff000a000ac0000102030405060002' + \
    '0000000400020002000100000001000100090000' + \
    '00000000000100030001000f0001000300010004') + b'\xef')
p == IOCRBlockReq(
  IOCRType='OutputCR', IOCRReference=1, SendClockFactor=2, IOCRMulticastMACAdd='01:02:03:04:05:06',
  ReductionRatio=32, DataLength=47, FrameID=0x8014, block_length=82,
  NumberOfAPIs=2, APIs=[
    IOCRAPI(
      API=4,
      NumberOfIODataObjects=2, IODataObjects=[
        IOCRAPIObject(SlotNumber=2, SubslotNumber=1, FrameOffset=0),
        IOCRAPIObject(SlotNumber=1, SubslotNumber=1, FrameOffset=9),
        ],
      NumberOfIOCS=0
      ),
    IOCRAPI(
      API=0,
      NumberOfIODataObjects=1, IODataObjects=[
        IOCRAPIObject(SlotNumber=3, SubslotNumber=1, FrameOffset=15),
        ],
      NumberOfIOCS=1, IOCSs=[
        IOCRAPIObject(SlotNumber=3, SubslotNumber=1, FrameOffset=4),
        ],
      ),
    ]
  ) / conf.padding_layer(b'\xef')

= IOCRBlockReq response
p = p.get_response()
p == IOCRBlockRes(IOCRType='OutputCR', IOCRReference=1, FrameID=0x8014)

####################################################################

+ Check IOCRBlockRes

= IOCRBlockRes default values
bytes(IOCRBlockRes()) == bytearray.fromhex('810200080100000100018000')

= IOCRBlockRes basic example
bytes(
  IOCRBlockRes(IOCRType='InputCR', IOCRReference=2, FrameID=0x8014)
  ) == bytearray.fromhex('810200080100000100028014')

= IOCRBlockRes dissection
p = IOCRBlockRes(bytearray.fromhex('810200080100000100028014ef'))
p == IOCRBlockRes(IOCRType='InputCR', IOCRReference=2, FrameID=0x8014,
  block_length=8) / conf.padding_layer(b'\xef')


####################################################################
####################################################################

+ Check ExpectedSubmoduleBlockReq

= ExpectedSubmoduleBlockReq default values
bytes(ExpectedSubmoduleBlockReq()) == bytearray.fromhex('0104000401000000')

= ExpectedSubmoduleAPI default values
bytes(ExpectedSubmoduleAPI()) == bytearray.fromhex('0000000000000000000000000000')

= ExpectedSubmodule default values
bytes(ExpectedSubmodule()) == bytearray.fromhex('0000000000000000')

= ExpectedSubmoduleDataDescription default values
bytes(ExpectedSubmoduleDataDescription()) == bytearray.fromhex('000000000000')

= ExpectedSubmoduleBlockReq basic example
p = ExpectedSubmoduleBlockReq(
  APIs=[
    ExpectedSubmoduleAPI(
      API=4, SlotNumber=2, ModuleIdentNumber=0x08c4,
      Submodules=[
        ExpectedSubmodule(
          SubslotNumber=1, SubmoduleIdentNumber=0x0123,
          SubmoduleProperties_Type='INPUT_OUTPUT',
          DataDescription=[
            ExpectedSubmoduleDataDescription(
              DataDescription='Output',
              SubmoduleDataLength=5,
              LengthIOPS=2, LengthIOCS=0
              ),
            ExpectedSubmoduleDataDescription(
              DataDescription='Input',
              SubmoduleDataLength=3,
              LengthIOPS=1, LengthIOCS=2
              )
            ]
          ),
        ]
      ),
    ]
  )
bytes(p) == \
  bytearray.fromhex('0104002601000001') + \
    bytearray.fromhex('000000040002000008c400000001') + \
      bytearray.fromhex('0001000001230003') + \
        bytearray.fromhex('000200050002') + \
        bytearray.fromhex('000100030201')

= ExpectedSubmoduleBlockReq dissection
p = ExpectedSubmoduleBlockReq(
  bytearray.fromhex('0104002601000001') + \
    bytearray.fromhex('000000040002000008c400000001') + \
      bytearray.fromhex('0001000001230003') + \
        bytearray.fromhex('000200050002') + \
        bytearray.fromhex('000100030201') + b'\xef'
  )
p == ExpectedSubmoduleBlockReq(block_length=38,
  NumberOfAPIs=1, APIs=[
    ExpectedSubmoduleAPI(
      API=4, SlotNumber=2, ModuleIdentNumber=0x08c4,
      NumberOfSubmodules=1 ,Submodules=[
        ExpectedSubmodule(
          SubslotNumber=1, SubmoduleIdentNumber=0x0123,
          SubmoduleProperties_Type='INPUT_OUTPUT',
          DataDescription=[
            ExpectedSubmoduleDataDescription(
              DataDescription='Output',
              SubmoduleDataLength=5,
              LengthIOPS=2, LengthIOCS=0
              ),
            ExpectedSubmoduleDataDescription(
              DataDescription='Input',
              SubmoduleDataLength=3,
              LengthIOPS=1, LengthIOCS=2
              )
            ]
          ),
        ]
      ),
    ]
  ) / conf.padding_layer(b'\xef')

####################################################################
####################################################################

+ Check PNIOServiceReqPDU

= PNIOServiceReqPDU basic example
* PNIOServiceReqPDU must always be placed above a DCE/RPC layer as it requires the endianness field
p = DceRpc() / PNIOServiceReqPDU(blocks=[
  Block(load=b'\x01\x02')
  ])
s = bytes(p)
# Remove the random UUID part before comparison
s[:18] + s[24:] == \
  bytearray.fromhex('0400000000000000dea000006c9711d18271' + 'dea000016c9711d1827100a02442df7d000000000000000000000000000000000000000000000001000000000000ffffffff001c00000000' + \
    '0000000800000008000000080000000000000008' +
    '0000000401000102')

= PNIOServiceReqPDU dissection
p = DceRpc(
  bytes(bytearray.fromhex('0400000000000000dea000006c9711d18271010203040506dea000016c9711d1827100a02442df7d000000000000000000000000000000000000000000000001000000000000ffffffff001c00000000' + \
    '0000000f000000080000000f0000000000000008' + \
    '0000000401000102ef')
  ))
bytes(p.payload) == bytes(PNIOServiceReqPDU(args_length=8, args_max=15, max_count=15, actual_count=8,
  blocks=[
    Block(block_length=4, load=b'\x01\x02')
    ]
  ) / b'\xef')


####################################################################
####################################################################

+ Check PNIOServiceResPDU

= PNIOServiceResPDU basic example
* PNIOServiceResPDU must always be placed above a DCE/RPC layer as it requires the endianness field
p = DceRpc() / PNIOServiceResPDU(blocks=[
  Block(load=b'\x01\x02')
  ])
s = bytes(p)
# Remove the random UUID part before comparison
s[:18] + s[24:] == \
  bytearray.fromhex('0402000000000000dea000006c9711d18271' + 'dea000026c9711d1827100a02442df7d000000000000000000000000000000000000000000000001000000000000ffffffff001c00000000' + \
    '0000000000000008000000080000000000000008' + \
    '0000000401000102')

= PNIOServiceResPDU dissection
p = DceRpc(
  bytes(bytearray.fromhex('0402000000000000dea000006c9711d18271010203040506dea000026c9711d1827100a02442df7d000000000000000000000000000000000000000000000001000000000000ffffffff001c00000000' + \
    '00001234000000080000000f0000000000000008' + \
    '0000000401000102ef')
  ))
bytes(p.payload) == bytes(PNIOServiceResPDU(status=0x1234, args_length=8, max_count=15, actual_count=8,
  blocks=[
    Block(block_length=4, load=b'\x01\x02')
    ]
  ) / b'\xef')

####################################################################
##                      Some usual examples                       ##
####################################################################

+ Check some basic examples

#### Connect Request
= A PNIO RPC Connect Request
p = DceRpc(
  endianness='little', opnum=0, sequence_num=0,
  object_uuid='dea00000-6c97-11d1-8271-010203040506',
  activity='01234567-89ab-cdef-0123-456789abcdef'
  ) / PNIOServiceReqPDU(
  blocks=[
    # AR block
    ARBlockReq(
      ARType='IOCARSingle', ARUUID='fedcba98-7654-3210-fedc-ba9876543210', SessionKey=0,
      CMInitiatorMacAdd='01:02:03:04:05:06', CMInitiatorStationName='plc-1',
      CMInitiatorObjectUUID='dea00000-6c97-11d1-8271-010203040506', ARProperties_ParametrizationServer='CM_Initator'
      ),
    # IO CR input block
    IOCRBlockReq(
      IOCRType='InputCR', IOCRReference=1, SendClockFactor=2,
      ReductionRatio=32, DataLength=40,
      APIs=[
        IOCRAPI(
          API=0,
          IODataObjects=[
            IOCRAPIObject(SlotNumber=3, SubslotNumber=1,FrameOffset=15),
            ],
          IOCSs=[
            IOCRAPIObject(SlotNumber=3, SubslotNumber=1,FrameOffset=4),
            ],
          ),
        ]
      ),
    # IO CR output block
    IOCRBlockReq(
      IOCRType='OutputCR', IOCRReference=2, SendClockFactor=8, ReductionRatio=32,
      DataLength=52, FrameID=0xffff,
      APIs=[
        IOCRAPI(
          API=0,
          IODataObjects=[
            IOCRAPIObject(SlotNumber=3, SubslotNumber=1,FrameOffset=0),
            IOCRAPIObject(SlotNumber=1, SubslotNumber=2,FrameOffset=9),
            ],
          ),
        ]
      ),
    # List of expected submodules
    ExpectedSubmoduleBlockReq(
      APIs=[
        ExpectedSubmoduleAPI(
          API=0, SlotNumber=3, ModuleIdentNumber=0x08c4,
          Submodules=[
            ExpectedSubmodule(
              SubslotNumber=1, SubmoduleIdentNumber=0x0124,
              SubmoduleProperties_Type='INPUT_OUTPUT',
              DataDescription=[
                ExpectedSubmoduleDataDescription(
                  DataDescription='Output',
                  SubmoduleDataLength=3,
                  LengthIOPS=1, LengthIOCS=1
                  ),
                ExpectedSubmoduleDataDescription(
                  DataDescription='Input',
                  SubmoduleDataLength=5,
                  LengthIOPS=2, LengthIOCS=0
                  )
                ]
              ),
            ]
          ),
        ]
      ),
    ExpectedSubmoduleBlockReq(
      APIs=[
        ExpectedSubmoduleAPI(
          API=0, SlotNumber=1, ModuleIdentNumber=0x08c3,
          Submodules=[
            ExpectedSubmodule(
              SubslotNumber=2, SubmoduleIdentNumber=0x0424,
              SubmoduleProperties_Type='OUTPUT',
              DataDescription=[
                ExpectedSubmoduleDataDescription(
                  DataDescription='Output',
                  SubmoduleDataLength=5,
                  LengthIOPS=1, LengthIOCS=0
                  )
                ]
              ),
            ]
          ),
        ]
      ),
    ]
  )
bytes(p) == bytearray.fromhex(
  '04000000100000000000a0de976cd11182710102030405060100a0de976cd111827100a02442df7d67452301ab89efcd0123456789abcdef0000000001000000000000000000ffffffff250100000000' + \
  '1101000011010000110100000000000011010000' + \
    '0101003b01000001fedcba9876543210fedcba98765432100000010203040506dea000006c9711d182710102030405060000001103e888920005') + b'plc-1' + \
    bytearray.fromhex('0102003e010000010001889200000000002880000002002000010000ffffffff000a000ac0000000000000000001' + \
      '00000000000100030001000f0001000300010004' + \
    '0102003e0100000200028892000000000034ffff0008002000010000ffffffff000a000ac0000000000000000001' + \
      '0000000000020003000100000001000200090000' + \
    '0104002601000001000000000003000008c400000001' + \
      '0001000001240003' + \
        '000200030101' + \
        '000100050002' + \
    '0104002001000001000000000001000008c300000001' + \
      '0002000004240002' + \
        '000200050001')


#### Write Request
= A PNIO RPC Write Request
p = DceRpc(
  endianness='little', opnum=2, sequence_num=1,
  object_uuid='dea00000-6c97-11d1-8271-010203040506',
  activity='01234567-89ab-cdef-0123-456789abcdef'
  ) / PNIOServiceReqPDU(
  blocks=[
    IODWriteMultipleReq(
      seqNum=0, ARUUID='fedcba98-7654-3210-fedc-ba9876543210', blocks=[
        IODWriteReq(
          seqNum=1, API=0, slotNumber=1, subslotNumber=1, index=0x123,
          ARUUID='fedcba98-7654-3210-fedc-ba9876543210'
          ) / b'\x01\x02',
        IODWriteReq(
          seqNum=2, API=0, slotNumber=3, subslotNumber=1,
          ARUUID='fedcba98-7654-3210-fedc-ba9876543210'
          ) / FParametersBlock(
            F_CRC_Seed=1, F_CRC_Length='CRC-24', F_Source_Add=0xc1, F_Dest_Add=0xc2,
            F_WD_Time=500, F_Par_CRC=0x1234
            ),
        ]
      )
    ]
  )
bytes(p) == bytearray.fromhex(
  '04000000100000000000a0de976cd11182710102030405060100a0de976cd111827100a02442df7d67452301ab89efcd0123456789abcdef0000000001000000010000000200ffffffffe20000000000' + \
  'ce000000ce000000ce00000000000000ce000000' + \
    '0008003c01000000fedcba9876543210fedcba9876543210ffffffffffffffff0000e0400000008e' + '00' * 24 + \
      '0008003c01000001fedcba9876543210fedcba987654321000000000000100010000012300000002' + '00' * 24 + \
        '01020000' + \
      '0008003c01000002fedcba9876543210fedcba98765432100000000000030001000001000000000a' + '00' * 24 + \
        '484000c100c201f41234')


#### PrmEnd control Request
= A PNIO RPC PrmEnd Control Request
p = DceRpc(
  endianness='little', opnum=0, sequence_num=2,
  object_uuid='dea00000-6c97-11d1-8271-010203040506',
  activity='01234567-89ab-cdef-0123-456789abcdef'
  ) / PNIOServiceReqPDU(
  blocks=[
    IODControlReq(ARUUID='fedcba98-7654-3210-fedc-ba9876543210', SessionKey=0, ControlCommand_PrmEnd=1)
    ]
  )
bytes(p) == bytearray.fromhex(
  '04000000100000000000a0de976cd11182710102030405060100a0de976cd111827100a02442df7d67452301ab89efcd0123456789abcdef0000000001000000020000000000ffffffff340000000000' + \
  '2000000020000000200000000000000020000000' + \
    '0110001c01000000fedcba9876543210fedcba98765432100000000000010000')

#### ApplicationReady control Request
= A PNIO RPC PrmEnd Control Request
p = DceRpc(
  endianness='little', opnum=0, sequence_num=0,
  object_uuid='dea00000-6c97-11d1-8271-060504030201',
  activity='01020304-0506-0708-090a-0b0c0d0e0f00',
  interface_uuid=RPC_INTERFACE_UUID['UUID_IO_ControllerInterface'],
  ) / PNIOServiceReqPDU(
  blocks=[
    IODControlReq(ARUUID='fedcba98-7654-3210-fedc-ba9876543210', SessionKey=0, ControlCommand_ApplicationReady=1)
    ]
  )
bytes(p) == bytearray.fromhex(
  '04000000100000000000a0de976cd11182710605040302010200a0de976cd111827100a02442df7d0403020106050807090a0b0c0d0e0f000000000001000000000000000000ffffffff340000000000' + \
  '2000000020000000200000000000000020000000' + \
    '0112001c01000000fedcba9876543210fedcba98765432100000000000020000')