def test_create_modify_empty_msg_params():
# Instantiate an empty message
the_msg = IpcMessage()
# Define and set some parameters
paramInt1 = 1234
paramInt2 = 901201
paramInt3 = 4567
paramStr = "paramString"
the_msg.set_param('paramInt1', paramInt1)
the_msg.set_param('paramInt2', paramInt2)
the_msg.set_param('paramInt3', paramInt3)
the_msg.set_param('paramStr', paramStr)
# Read them back and check they have the correct value
assert_true(the_msg.get_param('paramInt1'), paramInt1)
assert_true(the_msg.get_param('paramInt2'), paramInt2)
assert_true(the_msg.get_param('paramInt3'), paramInt3)
assert_true(the_msg.get_param('paramStr'), paramStr)
# Modify several parameters and check they are still correct
paramInt2 = 228724
the_msg.set_param('paramInt2', paramInt2)
paramStr = "another string"
the_msg.set_param("paramStr", paramStr)
assert_true(the_msg.get_param('paramInt2'), paramInt2)
assert_true(the_msg.get_param('paramStr'), paramStr)
def test_create_modify_empty_msg_params():
# Instantiate an empty message
the_msg = IpcMessage()
# Define and set some parameters
paramInt1 = 1234;
paramInt2 = 901201;
paramInt3 = 4567;
paramStr = "paramString"
the_msg.set_param('paramInt1', paramInt1)
the_msg.set_param('paramInt2', paramInt2)
the_msg.set_param('paramInt3', paramInt3)
the_msg.set_param('paramStr', paramStr)
# Read them back and check they have the correct value
assert_true(the_msg.get_param('paramInt1'), paramInt1)
assert_true(the_msg.get_param('paramInt2'), paramInt2)
assert_true(the_msg.get_param('paramInt3'), paramInt3)
assert_true(the_msg.get_param('paramStr'), paramStr)
# Modify several parameters and check they are still correct
paramInt2 = 228724;
the_msg.set_param('paramInt2', paramInt2)
paramStr = "another string"
the_msg.set_param("paramStr", paramStr)
assert_true(the_msg.get_param('paramInt2'), paramInt2)
assert_true(the_msg.get_param('paramStr'), paramStr)
def process_frames(self):
self.frame_header = Struct('<LLQQL')
while self._run:
if (self.ready_channel.poll(100)):
ready_msg = self.ready_channel.recv()
ready_decoded = IpcMessage(from_str=ready_msg)
if ready_decoded.get_msg_type() == 'notify' and ready_decoded.get_msg_val() == 'frame_ready':
frame_number = ready_decoded.get_param('frame')
buffer_id = ready_decoded.get_param('buffer_id')
self.logger.debug("Got frame ready notification for frame %d buffer ID %d" %(frame_number, buffer_id))
if not self.config.bypass_mode:
self.handle_frame(frame_number, buffer_id)
release_msg = IpcMessage(msg_type='notify', msg_val='frame_release')
release_msg.set_param('frame', frame_number)
release_msg.set_param('buffer_id', buffer_id)
self.release_channel.send(release_msg.encode())
self.frames_received += 1
else:
self.logger.error("Got unexpected message on ready notification channel:", ready_decoded)
self.logger.info("Frame processing thread interrupted, terminating")
def process_frames(self):
self.frame_header = Struct('<LLQQL')
while self._run:
if (self.ready_channel.poll(100)):
ready_msg = self.ready_channel.recv()
ready_decoded = IpcMessage(from_str=ready_msg)
if ready_decoded.get_msg_type() == 'notify' and ready_decoded.get_msg_val() == 'frame_ready':
frame_number = ready_decoded.get_param('frame')
buffer_id = ready_decoded.get_param('buffer_id')
self.logger.debug("Got frame ready notification for frame %d buffer ID %d" %(frame_number, buffer_id))
if not self.config.bypass_mode:
self.handle_frame(frame_number, buffer_id)
release_msg = IpcMessage(msg_type='notify', msg_val='frame_release')
release_msg.set_param('frame', frame_number)
release_msg.set_param('buffer_id', buffer_id)
self.release_channel.send(release_msg.encode())
self.frames_received += 1
else:
self.logger.error("Got unexpected message on ready notification channel:", ready_decoded)
self.logger.info("Frame processing thread interrupted, terminating")
def test_round_trip_from_empty_msg_comparison():
# Instantiate an empty message
the_msg = IpcMessage()
# Set the message type and value
msg_type = "cmd"
the_msg.set_msg_type(msg_type)
msg_val = "reset"
the_msg.set_msg_val(msg_val)
# Define and set some parameters
paramInt1 = 1234
paramInt2 = 901201
paramInt3 = 4567
paramStr = "paramString"
the_msg.set_param('paramInt1', paramInt1)
the_msg.set_param('paramInt2', paramInt2)
the_msg.set_param('paramInt3', paramInt3)
the_msg.set_param('paramStr', paramStr)
# Retrieve the encoded version
the_msg_encoded = the_msg.encode()
# Create another message from the encoded version
msg_from_encoded = IpcMessage(from_str=the_msg_encoded)
# Test that the comparison operators work correctly
assert_true(the_msg == msg_from_encoded)
assert_false(the_msg != msg_from_encoded)
def test_round_trip_from_empty_msg_comparison():
# Instantiate an empty message
the_msg = IpcMessage()
# Set the message type and value
msg_type = "cmd"
the_msg.set_msg_type(msg_type)
msg_val = "reset"
the_msg.set_msg_val(msg_val)
# Define and set some parameters
paramInt1 = 1234;
paramInt2 = 901201;
paramInt3 = 4567;
paramStr = "paramString"
the_msg.set_param('paramInt1', paramInt1)
the_msg.set_param('paramInt2', paramInt2)
the_msg.set_param('paramInt3', paramInt3)
the_msg.set_param('paramStr', paramStr)
# Retrieve the encoded version
the_msg_encoded = the_msg.encode()
# Create another message from the encoded version
msg_from_encoded = IpcMessage(from_str=the_msg_encoded)
# Test that the comparison operators work correctly
assert_true(the_msg == msg_from_encoded)
assert_false(the_msg != msg_from_encoded)
def test_round_trip_from_empty_msg():
# Instantiate an empty message
the_msg = IpcMessage()
# Set the message type and value
msg_type = "cmd"
the_msg.set_msg_type(msg_type)
msg_val = "reset"
the_msg.set_msg_val(msg_val)
# Define and set some parameters
paramInt1 = 1234
paramInt2 = 901201
paramInt3 = 4567
paramStr = "paramString"
the_msg.set_param('paramInt1', paramInt1)
the_msg.set_param('paramInt2', paramInt2)
the_msg.set_param('paramInt3', paramInt3)
the_msg.set_param('paramStr', paramStr)
# Retrieve the encoded version
the_msg_encoded = the_msg.encode()
# Create another message from the encoded version
msg_from_encoded = IpcMessage(from_str=the_msg_encoded)
# Validate the contents of all attributes and parameters of the new message
assert_equal(msg_from_encoded.get_msg_type(), msg_type)
assert_equal(msg_from_encoded.get_msg_val(), msg_val)
assert_equal(msg_from_encoded.get_msg_timestamp(),
the_msg.get_msg_timestamp())
assert_equal(msg_from_encoded.get_param('paramInt1'), paramInt1)
assert_equal(msg_from_encoded.get_param('paramInt2'), paramInt2)
assert_equal(msg_from_encoded.get_param('paramInt3'), paramInt3)
assert_equal(msg_from_encoded.get_param('paramStr'), paramStr)
def test_round_trip_from_empty_msg():
# Instantiate an empty message
the_msg = IpcMessage()
# Set the message type and value
msg_type = "cmd"
the_msg.set_msg_type(msg_type)
msg_val = "reset"
the_msg.set_msg_val(msg_val)
# Define and set some parameters
paramInt1 = 1234;
paramInt2 = 901201;
paramInt3 = 4567;
paramStr = "paramString"
the_msg.set_param('paramInt1', paramInt1)
the_msg.set_param('paramInt2', paramInt2)
the_msg.set_param('paramInt3', paramInt3)
the_msg.set_param('paramStr', paramStr)
# Retrieve the encoded version
the_msg_encoded = the_msg.encode()
# Create another message from the encoded version
msg_from_encoded = IpcMessage(from_str=the_msg_encoded)
# Validate the contents of all attributes and parameters of the new message
assert_equal(msg_from_encoded.get_msg_type(), msg_type)
assert_equal(msg_from_encoded.get_msg_val(), msg_val)
assert_equal(msg_from_encoded.get_msg_timestamp(), the_msg.get_msg_timestamp())
assert_equal(msg_from_encoded.get_param('paramInt1'), paramInt1)
assert_equal(msg_from_encoded.get_param('paramInt2'), paramInt2)
assert_equal(msg_from_encoded.get_param('paramInt3'), paramInt3)
assert_equal(msg_from_encoded.get_param('paramStr'), paramStr)