def check_binary(fdesc, binary, base_address, destinations):
"""
Check that the binary was correctly written to all destinations.
Returns a list of all nodes which are passing the test.
"""
valid_nodes = []
expected_crc = crc32(binary)
command = commands.encode_crc_region(base_address, len(binary))
utils.write_command(fdesc, command, destinations)
reader = utils.read_can_datagrams(fdesc)
boards_checked = 0
while boards_checked < len(destinations):
dt = next(reader)
if dt is None:
continue
answer, _, src = dt
crc = msgpack.unpackb(answer)
if crc == expected_crc:
valid_nodes.append(src)
boards_checked += 1
return valid_nodes
def alarm():
if 'logged_in' in flask.session and flask.session['logged_in']:
utils.write_command({"action": {
"command": "alarm",
"reason": "Web Interface Alarm"}})
return flask.redirect(flask.url_for('dashboard'))
return flask.abort(403)
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
if args.all:
scan_queue = list()
# Broadcast ping
utils.write_command(connection, commands.encode_ping(), list(range(1, 128)))
reader = utils.read_can_datagrams(connection)
while True:
dt = next(reader)
if dt is None: # Timeout
break
_, _, src = dt
scan_queue.append(src)
else:
scan_queue = args.ids
# Broadcast ask for config
configs = utils.write_command_retry(connection,
commands.encode_read_config(),
scan_queue)
for id, raw_config in configs.items():
configs[id] = msgpack.unpackb(raw_config, encoding='ascii')
print(json.dumps(configs, indent=4, sort_keys=True))
def alarm():
if 'logged_in' in flask.session and flask.session['logged_in']:
utils.write_command(
{"action": {
"command": "alarm",
"reason": "Web Interface Alarm"
}})
return flask.redirect(flask.url_for('dashboard'))
return flask.abort(403)
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
if args.all is True:
ids = list(range(1, 128))
else:
ids = args.ids
utils.write_command(connection, commands.encode_jump_to_main(), ids)
def check_online_boards(fdesc, boards):
"""
Returns a set containing the online boards.
"""
online_boards = set()
utils.write_command(fdesc, commands.encode_ping(), boards)
reader = utils.read_can_datagrams(fdesc)
for dt in reader:
if dt is None:
break
_, _, src = dt
online_boards.add(src)
return online_boards
def restart():
if 'logged_in' in flask.session and flask.session['logged_in']:
utils.write_command({"restart": "Web Interface Restart"})
return flask.redirect(flask.url_for('dashboard'))
return flask.abort(403)
def restart():
if 'logged_in' in flask.session and flask.session['logged_in']:
utils.write_command({"restart": "Web Interface Restart"})
return flask.redirect(flask.url_for('dashboard'))
return flask.abort(403)
def run_application(fdesc, destinations):
"""
Asks the given node to run the application.
"""
command = commands.encode_jump_to_main()
utils.write_command(fdesc, command, destinations)
