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)