def select_ethernet_interface():
'''
load local network interface from config.json
if set use the configured one, else scan the network interfaces
'''
from scapy.all import conf, resolve_iface
app_conf = utils.get_config()
config_file_path = os.path.join(os.getcwd(), 'config.json')
if app_conf.__contains__('local'):
return resolve_iface(app_conf['local']['name'])
ethernet_list = [conf.ifaces[item].name for item in conf.ifaces]
c = Choice('Which ehternet interface you are using?',
ethernet_list,
icon_style=StringStyle(fore=Fore.green),
selected_style=StringStyle(fore=Fore.green), default_index=0)
choice = c.get_choice()
if choice:
index, value = choice
# save to config.json
network_interface = resolve_iface(value)
app_conf['local'] = {
'name': network_interface.description,
'mac': network_interface.mac
}
try:
with open(config_file_path, 'w') as outfile:
json.dump(app_conf, outfile, indent=4, ensure_ascii=False)
return network_interface
except:
print('Write configuration failed')
return None
return None
def mock_speed_task():
import random
from scapy.all import resolve_iface
can_speed_log = app_logger.create_logger('can_speed')
config = utils.get_config()
iface = resolve_iface(config['local']['name']) # 'eth0'
src_mac = config['local']['mac'] # 'b8:27:eb:04:e0:73'
eth_devices = collect_devices(iface, src_mac)
if not config.get('devices_mac') or len(config['devices_mac']) == 0:
dst_mac_addresses = [device.mac_address for device in eth_devices]
else:
dst_mac_addresses = config['devices_mac']
eth_transfer = create_eth_100base_t1_transfer(
EthOptions(iface, src_mac, dst_mac_addresses))
@utils.throttle(seconds=0.05)
def send_speed_data():
speed = random.randint(1, 255)
# append_to_speed_queue(speed)
commands = build_eth_commands(dst_mac_addresses, src_mac, bytes(
[0x01, 0x0b]), list(struct.pack("<f", speed)))
if eth_transfer:
eth_transfer.send_batch(commands)
# log timestamp
can_speed_log.append('{0}'.format(speed))
while True:
send_speed_data()
time.sleep(0.01)
from struct import pack
from packages.common.utils import gps_week_seconds_to_utc
from scapy.all import (Packet, PacketList, sendp, resolve_iface)
from packages.common import utils
from packages.common import uart_helper
# utc_time = gps_week_seconds_to_utc(2166, 463261.918)
# print(utc_time)
if __name__ == '__main__':
config = utils.get_config()
iface = resolve_iface(config['local']['name']) # 'eth0'
src_mac = config['local']['mac'] # 'b8:27:eb:04:e0:73'
dst_mac_addresses = config['devices_mac']
raw_bytes = uart_helper.build_eth_command()
packet_list = PacketList()
for i in range(5):
packet_list.append(
Packet(raw_bytes)
)
sendp(packet_list, iface=iface, verbose=0)
def can_log_task():
from scapy.all import resolve_iface
can_speed_log = app_logger.create_logger('can_speed')
config = utils.get_config()
if not config.__contains__('can_parser'):
config['can_parser'] = 'DefaultParser'
iface = resolve_iface(config['local']['name']) # 'eth0'
src_mac = config['local']['mac'] # 'b8:27:eb:04:e0:73'
eth_devices = collect_devices(iface, src_mac)
if not config.get('devices_mac') or len(config['devices_mac']) == 0:
dst_mac_addresses = [device.mac_address for device in eth_devices]
else:
dst_mac_addresses = config['devices_mac']
output_device_mac_addresses(dst_mac_addresses)
can_log_transfer = create_eth_100base_t1_transfer(
EthOptions(iface, src_mac, dst_mac_addresses))
can_parser = CanParserFactory.create(config['can_parser'])
def build_speed(speed_data) -> float:
avg_speed = (speed_data[2]+speed_data[3])/2
return avg_speed
@utils.throttle(seconds=0.05)
def handle_wheel_speed_data(data):
# parse wheel speed
parse_error, parse_result = can_parser.parse('WHEEL_SPEED', data.data)
if parse_error:
return
speed = build_speed(parse_result)
# append_to_speed_queue(speed)
commands = build_eth_commands(dst_mac_addresses, src_mac,
bytes([0x01, 0x0b]),
list(struct.pack("<f", speed)))
if can_log_transfer:
can_log_transfer.send_batch(commands)
# log timestamp
can_speed_log.append('{0}, {1}'.format(data.timestamp, speed))
def receiver_handler(data):
if can_parser.need_handle_speed_data(data.arbitration_id):
handle_wheel_speed_data(data)
try:
print_message('[Info] CAN log task started')
#can_log_receiver = create_mock_receiver({'can_parser': config['can_parser']})
can_log_receiver = create_windows_receiver(CanOptions(0, 500000))
can_log_receiver.on('data', receiver_handler)
except Exception as ex:
print_message('[Error] CAN log task has error')
print_message('[Error] Reason:{0}'.format(ex))