def read_info(self, sock, dtype=np.float64):
"""
"""
try:
##first get the info type
length_bytes = check_received_length(sock, 4)
length = np.frombuffer(
length_bytes,
dtype='>i4')[0] # big endian 4 bytes==uint32 swaped
message = check_received_length(sock, length).decode()
# get data length
length_bytes = check_received_length(sock, 4)
length = np.frombuffer(length_bytes, dtype='>i4')[0]
##then get data
data_bytes = check_received_length(sock, length)
data = np.frombuffer(data_bytes, dtype=dtype)
data = data.newbyteorder()[0] # convert it to big endian
try:
self.settings.child('infos', message).setValue(data)
except Exception as e:
self.emit_status(
ThreadCommand('Update_Status', [str(e), 'log']))
except Exception as e:
data = 0
return data
def read_infos(self, sock):
length_bytes = check_received_length(sock, 4)
length = np.frombuffer(length_bytes, dtype='>i4')[0] # big endian 4 bytes==uint32 swaped
infos = check_received_length(sock, length).decode()
params = custom_tree.XML_string_to_parameter(infos)
param_state = {'title': 'Infos Client:', 'name': 'infos', 'type': 'group', 'children': params}
self.settings.child(('infos')).restoreState(param_state)
def process_cmds(self, command, command_sock=None):
"""
Process the given command.
Depending on the command name :
* Done :
* Find a socket from the 'GRABBER' connected client.
* Send data to a viewer or a client (depending on command_sock).
* Info : Find a socket from the 'GRABBER' connected client and read infos.
* Send Data 0D :
* Find a socket from the 'GRABBER' connected client.
* set a 1D Mock data.
* Send Data 1D :
* Find a socket from the 'GRABBER' connected client.
* set a 1D Mock data.
* Send Data 2D :
* Find a socket from the 'GRABBER' connected client.
* set a 2D Mock data.
=============== =========== ==========================
**Parameters** **Type** **Description**
*command* string the command as a string
*command_sock* ???
=============== =========== ==========================
See Also
--------
find_socket_within_connected_clients, read_data, send_data, utility_classes.DAQ_Viewer_base.emit_status, daq_utils.ThreadCommand, send_command, set_1D_Mock_data, set_2D_Mock_data, process_cmds
"""
if command not in self.message_list:
return
if command == 'Done': # means the given socket finished grabbing data and is ready to send them
self.command_done(command_sock)
elif command == "Infos":
try:
sock = self.find_socket_within_connected_clients(
self.client_type)
if sock is not None: # if client self.client_type is connected then send it the command
self.read_infos(sock)
except Exception as e:
self.emit_status(
ThreadCommand("Update_Status", [str(e), 'log']))
elif command == "Info":
try:
sock = self.find_socket_within_connected_clients(
self.client_type)
if sock is not None: # if client self.client_type is connected then send it the command
self.read_info(sock)
except Exception as e:
self.emit_status(
ThreadCommand("Update_Status", [str(e), 'log']))
elif command == 'Info_xml':
sock = self.find_socket_within_connected_clients(self.client_type)
if sock is not None:
list_len = get_int(sock)
path = []
for ind in range(list_len):
data_len = int.from_bytes(check_received_length(sock, 4),
'big')
path.append(check_received_length(sock, data_len).decode())
data_len = int.from_bytes(check_received_length(sock, 4),
'big')
param_xml = check_received_length(sock, data_len).decode()
param_dict = custom_tree.XML_string_to_parameter(param_xml)[0]
param_here = self.settings.child('infos', *path[1:])
param_here.restoreState(param_dict)
else:
self.command_to_from_client(command)