def test_make_read(self):
buf = array.array('B', [3] * 20) # Start with junk in the buffer.
seq = 32
block = 1
byte = 8
length = 20
p = stentura._make_read(buf, seq, block, byte, length)
for_crc = [seq, 18, 0, stentura._READC, 0, 1, 0, 0, 0, length, 0,
block, 0, byte, 0]
crc = stentura._crc(for_crc)
expected = [1] + for_crc + [crc & 0xFF, crc >> 8]
self.assertSequenceEqual(p, [chr(b) for b in expected])
def test_make_read(self):
buf = bytearray(range(32)) # Start with junk in the buffer.
seq = 32
block = 1
byte = 8
length = 20
p = stentura._make_read(buf, seq, block, byte, length)
for_crc = [seq, 18, 0, stentura._READC, 0, 1, 0, 0, 0, length, 0,
block, 0, byte, 0]
crc = stentura._crc(for_crc)
expected = bytearray([1] + for_crc + [crc & 0xFF, crc >> 8])
self.assertEqual(p, expected)
def test_make_read(self):
buf = bytearray(range(32)) # Start with junk in the buffer.
seq = 32
block = 1
byte = 8
length = 20
p = stentura._make_read(buf, seq, block, byte, length)
for_crc = [seq, 18, 0, stentura._READC, 0, 1, 0, 0, 0, length, 0,
block, 0, byte, 0]
crc = stentura._crc(for_crc)
expected = bytearray([1] + for_crc + [crc & 0xFF, crc >> 8])
self.assertEqual(p, expected)
def make_readc_packets(data):
requests, responses = [], []
seq = stentura._SequenceCounter()
buf = bytearray(256)
block, byte = 0, 0
while data:
s = seq()
chunk = data[0:512]
data = data[512:]
q = stentura._make_read(buf, s, block, byte)
requests.append(bytes(q))
r = make_read_response(s, chunk)
responses.append(bytes(r))
byte += len(chunk)
if byte >= 512:
block += 1
byte -= 512
s = seq()
q = stentura._make_read(buf, s, block, byte)
requests.append(bytes(q))
r = make_read_response(s)
responses.append(bytes(r))
return requests, responses
def make_readc_packets(data):
requests, responses = [], []
seq = stentura._SequenceCounter()
buf = bytearray(256)
block, byte = 0, 0
while data:
s = seq()
chunk = data[0:512]
data = data[512:]
q = stentura._make_read(buf, s, block, byte)
requests.append(bytes(q))
r = make_read_response(s, chunk)
responses.append(bytes(r))
byte += len(chunk)
if byte >= 512:
block += 1
byte -= 512
s = seq()
q = stentura._make_read(buf, s, block, byte)
requests.append(bytes(q))
r = make_read_response(s)
responses.append(bytes(r))
return requests, responses
def make_readc_packets(data):
requests, responses = [], []
seq = stentura._SequenceCounter()
buf = array.array('B')
block, byte = 0, 0
while data:
s = seq()
chunk = buffer(data, 0, 512)
data = buffer(data, 512)
q = stentura._make_read(buf, s, block, byte)
requests.append(str(q))
r = make_read_response(s, chunk)
responses.append(str(r))
byte += len(chunk)
if byte >= 512:
block += 1
byte -= 512
s = seq()
q = stentura._make_read(buf, s, block, byte)
requests.append(str(q))
r = make_read_response(s)
responses.append(str(r))
return requests, responses
def make_readc_packets(data):
requests, responses = [], []
seq = stentura._SequenceCounter()
buf = array.array('B')
block, byte = 0, 0
while data:
s = seq()
chunk = buffer(data, 0, 512)
data = buffer(data, 512)
q = stentura._make_read(buf, s, block, byte)
requests.append(str(q))
r = make_read_response(s, chunk)
responses.append(str(r))
byte += len(chunk)
if byte >= 512:
block += 1
byte -= 512
s = seq()
q = stentura._make_read(buf, s, block, byte)
requests.append(str(q))
r = make_read_response(s)
responses.append(str(r))
return requests, responses
def test_make_read(self):
buf = array.array('B', [3] * 20) # Start with junk in the buffer.
seq = 32
block = 1
byte = 8
length = 20
p = stentura._make_read(buf, seq, block, byte, length)
for_crc = [
seq, 18, 0, stentura._READC, 0, 1, 0, 0, 0, length, 0, block, 0,
byte, 0
]
crc = stentura._crc(for_crc)
expected = [1] + for_crc + [crc & 0xFF, crc >> 8]
self.assertSequenceEqual(p, [chr(b) for b in expected])