def test_sync_verify_speed(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
dc.start_sync_verification_thread()
dc.start_parser_thread()
dc.synchronized = True
input_length = 10000
chunk_size = 20
with dc.expected_readings_verified_lock:
dc.expected_readings_verified = input_length / chunk_size
normal_bytearray_chunk = bytearray(0)
for i in range(chunk_size):
normal_bytearray_chunk += normal_bytearray
start = time.time()
for i in range(input_length / chunk_size):
dc.fast_path_sender.send(normal_bytearray_chunk)
with dc.frame_to_be_verified_cond:
dc.frame_to_be_verified_cond.notify()
with dc.sync_filter_done_cond:
dc.sync_filter_done_cond.wait()
elapsed = time.time() - start
speed = 1 / (elapsed / input_length)
print '\n\nSync Verification Stage: effective frequency over %d samples is %d Hz\n' % (
input_length, speed)
def test_recv_and_verify_speed(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_sock.bind(('localhost', 10002))
server_sock.listen(1)
print 'listening on %s:%d' % ('localhost', 10002)
dc.connect_data_port()
conn, addr = server_sock.accept()
print 'accepted connection from %s:%d' % (addr[0], addr[1])
input_length = 1000
with dc.expected_readings_verified_lock:
dc.expected_readings_verified = input_length - 2
start = time.time()
for i in range(input_length):
for j in range(len(normal_reading)):
conn.send(np.uint16(normal_reading[j]))
with dc.sync_filter_done_cond:
dc.sync_filter_done_cond.wait()
elapsed = time.time() - start
speed = 1 / (elapsed / input_length)
print '\n\nReceive and Verify Stages: effective frequency over %d samples is %d Hz\n' % (
input_length, speed)
dc.close_data_port()
conn.close()
server_sock.close()
def test_receive_and_sync_verification(self):
dc = DataClient(host, port, storage_sender, gui_data_sender,
active_channels)
server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_sock.bind(('localhost', 10002))
server_sock.listen(1)
print 'listening on %s:%d' % ('localhost', 10002)
dc.connect_data_port()
conn, addr = server_sock.accept()
print 'accepted connection from %s:%d' % (addr[0], addr[1])
input_length = 4
bytes_sent = 0
with dc.expected_bytes_sent_lock:
dc.expected_bytes_sent = 99999999
with dc.expected_readings_verified_lock:
dc.expected_readings_verified = 99999999
for i in range(input_length):
for j in range(len(normal_reading)):
bytes_sent += conn.send(np.uint16(normal_reading[j]))
with dc.expected_bytes_sent_lock:
dc.expected_bytes_sent = bytes_sent
print 'Test: finished sending part 1, bytes_sent = %d' % bytes_sent
# first two readings will get dropped by sync. recovery filter
with dc.expected_readings_verified_lock:
dc.expected_readings_verified = input_length - 2
# with dc.receiver_done_cond:
# dc.receiver_done_cond.wait()
# print 'Receiver finished task 1'
with dc.sync_filter_done_cond:
dc.sync_filter_done_cond.wait()
print 'Sync filter finished task 1'
assert dc.synchronized
print 'Part 1 passed, synchronization achieved'
with dc.expected_bytes_sent_lock:
dc.expected_bytes_sent = 99999999
for j in range(len(corrupt_reading)):
bytes_sent += conn.send(np.uint16(corrupt_reading[j]))
print 'Test: finished sending part 2, bytes_sent = %d' % bytes_sent
with dc.expected_bytes_sent_lock:
dc.expected_bytes_sent = bytes_sent
with dc.receiver_done_cond:
dc.receiver_done_cond.wait()
print 'Receiver finished task 2'
assert not dc.synchronized
print 'Part 2 passed, synchronization lost as expected'
with dc.expected_bytes_sent_lock:
dc.expected_bytes_sent = 99999999
with dc.expected_readings_verified_lock:
dc.expected_readings_verified = 99999999
for i in range(input_length):
for j in range(len(normal_reading)):
bytes_sent += conn.send(np.uint16(normal_reading[j]))
print 'Test: finished sending part 3, bytes_sent = %d' % bytes_sent
with dc.expected_bytes_sent_lock:
dc.expected_bytes_sent = bytes_sent
with dc.expected_readings_verified_lock:
dc.expected_readings_verified = (input_length - 2) * 2
with dc.sync_filter_done_cond:
dc.sync_filter_done_cond.wait()
print 'Sync filter finished task 3'
assert dc.synchronized
dc.close_data_port()
conn.close()
server_sock.close()