def read16(self, lba, tl, **kwargs): """ Returns a Read16 Instance :param lba: Logical Block Address :param tl: Transfer Length :param kwargs: a dict with key/value pairs rdprotect = 0, ReadProtect flags dpo = 0, DisablePageOut flag fua = 0, Force Unit Access flag rarc = 0, Rebuild Assist Recovery control flag group = 0, Group Number :returns a Read16 Instance """ opcode = self.device.opcodes.READ_16 cmd = Read16(opcode, self.blocksize, lba, tl, **kwargs) self.execute(cmd) return cmd
def main(): dev = MockRead16() dev.opcodes = sbc s = SCSI(dev) s.blocksize = 512 r = s.read16(1024, 27) cdb = r.cdb assert cdb[0] == s.device.opcodes.READ_16.value assert cdb[1] == 0 assert scsi_ba_to_int(cdb[2:10]) == 1024 assert scsi_ba_to_int(cdb[10:14]) == 27 assert cdb[14] == 0 assert cdb[15] == 0 cdb = r.unmarshall_cdb(cdb) assert cdb['opcode'] == s.device.opcodes.READ_16.value assert cdb['rdprotect'] == 0 assert cdb['dpo'] == 0 assert cdb['fua'] == 0 assert cdb['rarc'] == 0 assert cdb['lba'] == 1024 assert cdb['group'] == 0 assert cdb['tl'] == 27 d = Read16.unmarshall_cdb(Read16.marshall_cdb(cdb)) assert d == cdb r = s.read16(1024, 27, rdprotect=2, dpo=1, fua=1, rarc=1, group=19) cdb = r.cdb assert cdb[0] == s.device.opcodes.READ_16.value assert cdb[1] == 0x5c assert scsi_ba_to_int(cdb[2:10]) == 1024 assert scsi_ba_to_int(cdb[10:14]) == 27 assert cdb[14] == 0x13 assert cdb[15] == 0 cdb = r.unmarshall_cdb(cdb) assert cdb['opcode'] == s.device.opcodes.READ_16.value assert cdb['rdprotect'] == 2 assert cdb['dpo'] == 1 assert cdb['fua'] == 1 assert cdb['rarc'] == 1 assert cdb['lba'] == 1024 assert cdb['group'] == 19 assert cdb['tl'] == 27 d = Read16.unmarshall_cdb(Read16.marshall_cdb(cdb)) assert d == cdb
def test_main(self): with MockSCSI(MockDevice(sbc)) as s: s.blocksize = 512 r = s.read16(1024, 27) cdb = r.cdb self.assertEqual(cdb[0], s.device.opcodes.READ_16.value) self.assertEqual(cdb[1], 0) self.assertEqual(scsi_ba_to_int(cdb[2:10]), 1024) self.assertEqual(scsi_ba_to_int(cdb[10:14]), 27) self.assertEqual(cdb[14], 0) self.assertEqual(cdb[15], 0) cdb = r.unmarshall_cdb(cdb) self.assertEqual(cdb['opcode'], s.device.opcodes.READ_16.value) self.assertEqual(cdb['rdprotect'], 0) self.assertEqual(cdb['dpo'], 0) self.assertEqual(cdb['fua'], 0) self.assertEqual(cdb['rarc'], 0) self.assertEqual(cdb['lba'], 1024) self.assertEqual(cdb['group'], 0) self.assertEqual(cdb['tl'], 27) d = Read16.unmarshall_cdb(Read16.marshall_cdb(cdb)) self.assertEqual(d, cdb) r = s.read16(1024, 27, rdprotect=2, dpo=1, fua=1, rarc=1, group=19) cdb = r.cdb self.assertEqual(cdb[0], s.device.opcodes.READ_16.value) self.assertEqual(cdb[1], 0x5c) self.assertEqual(scsi_ba_to_int(cdb[2:10]), 1024) self.assertEqual(scsi_ba_to_int(cdb[10:14]), 27) self.assertEqual(cdb[14], 0x13) self.assertEqual(cdb[15], 0) cdb = r.unmarshall_cdb(cdb) self.assertEqual(cdb['opcode'], s.device.opcodes.READ_16.value) self.assertEqual(cdb['rdprotect'], 2) self.assertEqual(cdb['dpo'], 1) self.assertEqual(cdb['fua'], 1) self.assertEqual(cdb['rarc'], 1) self.assertEqual(cdb['lba'], 1024) self.assertEqual(cdb['group'], 19) self.assertEqual(cdb['tl'], 27) d = Read16.unmarshall_cdb(Read16.marshall_cdb(cdb)) self.assertEqual(d, cdb)
def without_init_device(device): """ simple use case for a scsi device without the scsi helper. SCSIDevice has also a contextmanager so we can use the with statement but we need to take care of the initialization of a SCSICommand and the execution of the command with the device. """ with SCSIDevice(device, False) as d: cmd = Read16(sbc.READ_16, blocksize=512, lba=1, tl=1) d.execute(cmd) print_output(cmd.datain)
def read16(self, lba, tl, **kwargs): """ Returns a Read16 Instance :param lba: Logical Block Address :param tl: Transfer Length :param rdprotect = 0: ReadProtect flags :param dpo = 0: DisablePageOut flag :param fua = 0: Force Unit Access flag :param rarc = 0: Rebuild Assist Recovery control flag :param group = 0: Group Number :returns the data returned in self.datain """ return Read16(self, lba, tl, **kwargs)