mirror of
				https://github.com/espressif/esp-idf.git
				synced 2025-10-30 20:51:41 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			649 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			649 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
 | |
| # SPDX-License-Identifier: Unlicense OR CC0-1.0
 | |
| # !/usr/bin/env python3
 | |
| # this file defines some functions for testing cli and br under pytest framework
 | |
| import os
 | |
| import re
 | |
| import socket
 | |
| import struct
 | |
| import subprocess
 | |
| import time
 | |
| from functools import wraps
 | |
| from typing import Callable
 | |
| from typing import Tuple
 | |
| 
 | |
| import netifaces
 | |
| import pexpect
 | |
| import yaml
 | |
| from pytest_embedded_idf.dut import IdfDut
 | |
| 
 | |
| 
 | |
| def extract_address(
 | |
|     command: str, pattern: str, default_return: str = ''
 | |
| ) -> Callable[[Callable[[str], str]], Callable[[IdfDut], str]]:
 | |
|     def decorator(func: Callable[[str], str]) -> Callable[[IdfDut], str]:
 | |
|         @wraps(func)
 | |
|         def wrapper(dut: IdfDut) -> str:
 | |
|             clean_buffer(dut)
 | |
|             execute_command(dut, command)
 | |
|             try:
 | |
|                 result = dut.expect(pattern, timeout=5)[1].decode()
 | |
|             except Exception as e:
 | |
|                 print(f'Error: {e}')
 | |
|                 return default_return
 | |
|             return func(result)
 | |
| 
 | |
|         return wrapper
 | |
| 
 | |
|     return decorator
 | |
| 
 | |
| 
 | |
| class thread_parameter:
 | |
|     def __init__(self, deviceRole: str = '', dataset: str = '', channel: str = '', exaddr: str = '', bbr: bool = False):
 | |
|         self.deviceRole = deviceRole
 | |
|         self.dataset = dataset
 | |
|         self.channel = channel
 | |
|         self.exaddr = exaddr
 | |
|         self.bbr = bbr
 | |
|         self.networkname = ''
 | |
|         self.panid = ''
 | |
|         self.extpanid = ''
 | |
|         self.networkkey = ''
 | |
|         self.pskc = ''
 | |
| 
 | |
|     def setnetworkname(self, networkname: str) -> None:
 | |
|         self.networkname = networkname
 | |
| 
 | |
|     def setpanid(self, panid: str) -> None:
 | |
|         self.panid = panid
 | |
| 
 | |
|     def setextpanid(self, extpanid: str) -> None:
 | |
|         self.extpanid = extpanid
 | |
| 
 | |
|     def setnetworkkey(self, networkkey: str) -> None:
 | |
|         self.networkkey = networkkey
 | |
| 
 | |
|     def setpskc(self, pskc: str) -> None:
 | |
|         self.pskc = pskc
 | |
| 
 | |
| 
 | |
| class wifi_parameter:
 | |
|     def __init__(self, ssid: str = '', psk: str = '', retry_times: int = 10):
 | |
|         self.ssid = ssid
 | |
|         self.psk = psk
 | |
|         self.retry_times = retry_times
 | |
| 
 | |
| 
 | |
| def joinThreadNetwork(dut: IdfDut, thread: thread_parameter) -> None:
 | |
|     if thread.dataset:
 | |
|         command = 'dataset set active ' + thread.dataset
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     else:
 | |
|         execute_command(dut, 'dataset init new')
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.channel:
 | |
|         command = 'dataset channel ' + thread.channel
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.exaddr:
 | |
|         command = 'extaddr ' + thread.exaddr
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.networkname:
 | |
|         command = 'dataset networkname ' + thread.networkname
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.panid:
 | |
|         command = 'dataset panid ' + thread.panid
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.extpanid:
 | |
|         command = 'dataset extpanid ' + thread.extpanid
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.networkkey:
 | |
|         command = 'dataset networkkey ' + thread.networkkey
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.pskc:
 | |
|         command = 'dataset pskc ' + thread.pskc
 | |
|         execute_command(dut, command)
 | |
|         dut.expect('Done', timeout=5)
 | |
|     execute_command(dut, 'dataset commit active')
 | |
|     dut.expect('Done', timeout=5)
 | |
|     if thread.bbr:
 | |
|         execute_command(dut, 'bbr enable')
 | |
|         dut.expect('Done', timeout=5)
 | |
|     if thread.deviceRole == 'router':
 | |
|         execute_command(dut, 'routerselectionjitter 1')
 | |
|         dut.expect('Done', timeout=5)
 | |
|     execute_command(dut, 'ifconfig up')
 | |
|     dut.expect('Done', timeout=5)
 | |
|     execute_command(dut, 'thread start')
 | |
|     assert wait_for_join(dut, thread.deviceRole)
 | |
| 
 | |
| 
 | |
| def wait_for_join(dut: IdfDut, role: str) -> bool:
 | |
|     for _ in range(1, 30):
 | |
|         if getDeviceRole(dut) == role:
 | |
|             wait(dut, 5)
 | |
|             return True
 | |
|         wait(dut, 1)
 | |
|     return False
 | |
| 
 | |
| 
 | |
| def joinWiFiNetwork(dut: IdfDut, wifi: wifi_parameter) -> Tuple[str, int]:
 | |
|     clean_buffer(dut)
 | |
|     ip_address = ''
 | |
|     for order in range(1, wifi.retry_times):
 | |
|         command = 'wifi connect -s ' + str(wifi.ssid) + ' -p ' + str(wifi.psk)
 | |
|         tmp = get_ouput_string(dut, command, 10)
 | |
|         if 'sta ip' in str(tmp):
 | |
|             ip_address = re.findall(r'sta ip: (\w+.\w+.\w+.\w+),', str(tmp))[0]
 | |
|         wait(dut, 2)
 | |
|         execute_command(dut, 'wifi state')
 | |
|         if dut.expect('connected', timeout=5):
 | |
|             return ip_address, order
 | |
|     raise Exception(f'{dut} connect wifi {str(wifi.ssid)} with password {str(wifi.psk)} fail')
 | |
| 
 | |
| 
 | |
| def getDeviceRole(dut: IdfDut) -> str:
 | |
|     wait(dut, 1)
 | |
|     execute_command(dut, 'state')
 | |
|     role = dut.expect(r'\W+(\w+)\W+Done', timeout=5)[1].decode()
 | |
|     print(role)
 | |
|     return str(role)
 | |
| 
 | |
| 
 | |
| def changeDeviceRole(dut: IdfDut, role: str) -> None:
 | |
|     command = 'state ' + role
 | |
|     execute_command(dut, command)
 | |
| 
 | |
| 
 | |
| def getDataset(dut: IdfDut) -> str:
 | |
|     execute_command(dut, 'dataset active -x')
 | |
|     dut_data = dut.expect(r'\n(\w+)\r', timeout=5)[1].decode()
 | |
|     return str(dut_data)
 | |
| 
 | |
| 
 | |
| def init_thread(dut: IdfDut) -> None:
 | |
|     dut.expect('>', timeout=10)
 | |
|     wait(dut, 3)
 | |
|     reset_thread(dut)
 | |
| 
 | |
| 
 | |
| def reset_thread(dut: IdfDut) -> None:
 | |
|     execute_command(dut, 'factoryreset')
 | |
|     dut.expect('OpenThread attached to netif', timeout=20)
 | |
|     dut.expect('>', timeout=10)
 | |
|     wait(dut, 3)
 | |
|     clean_buffer(dut)
 | |
| 
 | |
| 
 | |
| # get the mleid address of the thread
 | |
| def get_mleid_addr(dut: IdfDut) -> str:
 | |
|     dut_adress = ''
 | |
|     execute_command(dut, 'ipaddr mleid')
 | |
|     dut_adress = dut.expect(r'\n((?:\w+:){7}\w+)\r', timeout=5)[1].decode()
 | |
|     return dut_adress
 | |
| 
 | |
| 
 | |
| # get the rloc address of the thread
 | |
| def get_rloc_addr(dut: IdfDut) -> str:
 | |
|     dut_adress = ''
 | |
|     execute_command(dut, 'ipaddr rloc')
 | |
|     dut_adress = dut.expect(r'\n((?:\w+:){7}\w+)\r', timeout=5)[1].decode()
 | |
|     return dut_adress
 | |
| 
 | |
| 
 | |
| # get the linklocal address of the thread
 | |
| def get_linklocal_addr(dut: IdfDut) -> str:
 | |
|     dut_adress = ''
 | |
|     execute_command(dut, 'ipaddr linklocal')
 | |
|     dut_adress = dut.expect(r'\n((?:\w+:){7}\w+)\r', timeout=5)[1].decode()
 | |
|     return dut_adress
 | |
| 
 | |
| 
 | |
| # get the global unicast address of the thread:
 | |
| def get_global_unicast_addr(dut: IdfDut, br: IdfDut) -> str:
 | |
|     dut_adress = ''
 | |
|     clean_buffer(br)
 | |
|     omrprefix = get_omrprefix(br)
 | |
|     execute_command(dut, 'ipaddr')
 | |
|     dut_adress = dut.expect(r'(%s(?:\w+:){3}\w+)\r' % str(omrprefix), timeout=5)[1].decode()
 | |
|     return dut_adress
 | |
| 
 | |
| 
 | |
| @extract_address('rloc16', r'(\w{4})')
 | |
| def get_rloc16_addr(rloc16: str) -> str:
 | |
|     return rloc16
 | |
| 
 | |
| 
 | |
| # ping of thread
 | |
| def ot_ping(
 | |
|     dut: IdfDut, target: str, timeout: int = 5, count: int = 1, size: int = 56, interval: int = 1, hoplimit: int = 64
 | |
| ) -> Tuple[int, int]:
 | |
|     command = f'ping {str(target)} {size} {count} {interval} {hoplimit} {str(timeout)}'
 | |
|     execute_command(dut, command)
 | |
|     transmitted = dut.expect(r'(\d+) packets transmitted', timeout=60)[1].decode()
 | |
|     tx_count = int(transmitted)
 | |
|     received = dut.expect(r'(\d+) packets received', timeout=60)[1].decode()
 | |
|     rx_count = int(received)
 | |
|     return tx_count, rx_count
 | |
| 
 | |
| 
 | |
| def ping_and_check(dut: IdfDut, target: str, tx_total: int = 10, timeout: int = 6, pass_rate: float = 0.8) -> None:
 | |
|     tx_count = 0
 | |
|     rx_count = 0
 | |
|     for _ in range(tx_total):
 | |
|         tx, rx = ot_ping(dut, target, timeout=timeout, count=1, size=10, interval=6)
 | |
|         tx_count += tx
 | |
|         rx_count += rx
 | |
| 
 | |
|     assert tx_count == tx_total
 | |
|     assert rx_count > tx_total * pass_rate
 | |
| 
 | |
| 
 | |
| def reset_host_interface() -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     flag = False
 | |
|     try:
 | |
|         command = 'ifconfig ' + interface_name + ' down'
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         command = 'ifconfig ' + interface_name + ' up'
 | |
|         subprocess.call(command, shell=True, timeout=10)
 | |
|         time.sleep(1)
 | |
|         flag = True
 | |
|     finally:
 | |
|         time.sleep(1)
 | |
|         assert flag
 | |
| 
 | |
| 
 | |
| def set_interface_sysctl_options() -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     flag = False
 | |
|     try:
 | |
|         command = 'sysctl -w net/ipv6/conf/' + interface_name + '/accept_ra=2'
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         command = 'sysctl -w net/ipv6/conf/' + interface_name + '/accept_ra_rt_info_max_plen=128'
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         flag = True
 | |
|     finally:
 | |
|         time.sleep(2)
 | |
|         assert flag
 | |
| 
 | |
| 
 | |
| def init_interface_ipv6_address() -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     flag = False
 | |
|     try:
 | |
|         command = (
 | |
|             'ip -6 route | grep ' + interface_name + " | grep ra | awk {'print $1'} | xargs -I {} ip -6 route del {}"
 | |
|         )
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(0.5)
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         command = (
 | |
|             'ip -6 address show dev '
 | |
|             + interface_name
 | |
|             + " scope global | grep 'inet6' | awk {'print $2'} | xargs -I {} ip -6 addr del {} dev "
 | |
|             + interface_name
 | |
|         )
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         flag = True
 | |
|     finally:
 | |
|         time.sleep(1)
 | |
|         assert flag
 | |
| 
 | |
| 
 | |
| def get_host_interface_name() -> str:
 | |
|     home_dir = os.path.expanduser('~')
 | |
|     config_path = os.path.join(home_dir, 'config', 'env_config.yml')
 | |
|     try:
 | |
|         if os.path.exists(config_path):
 | |
|             with open(config_path, 'r') as file:
 | |
|                 config = yaml.safe_load(file)
 | |
|             interface_name = config.get('interface_name')
 | |
|             if interface_name:
 | |
|                 if interface_name == 'eth0':
 | |
|                     print(
 | |
|                         f"Warning: 'eth0' is not recommended as a valid network interface. "
 | |
|                         f"Please check and update the 'interface_name' in the configuration file: "
 | |
|                         f'{config_path}'
 | |
|                     )
 | |
|                 else:
 | |
|                     return str(interface_name)
 | |
|             else:
 | |
|                 print("Warning: Configuration file found but 'interface_name' is not defined.")
 | |
|     except Exception as e:
 | |
|         print(f'Error: Failed to read or parse {config_path}. Details: {e}')
 | |
|     if 'eth1' in netifaces.interfaces():
 | |
|         return 'eth1'
 | |
| 
 | |
|     raise Exception('Warning: No valid network interface detected. Please check your configuration.')
 | |
| 
 | |
| 
 | |
| def clean_buffer(dut: IdfDut) -> None:
 | |
|     str_length = str(len(dut.expect(pexpect.TIMEOUT, timeout=0.1)))
 | |
|     dut.expect(r'[\s\S]{%s}' % str(str_length), timeout=10)
 | |
| 
 | |
| 
 | |
| def check_if_host_receive_ra(br: IdfDut) -> bool:
 | |
|     interface_name = get_host_interface_name()
 | |
|     clean_buffer(br)
 | |
|     omrprefix = get_omrprefix(br)
 | |
|     command = 'ip -6 route | grep ' + str(interface_name)
 | |
|     out_str = subprocess.getoutput(command)
 | |
|     print('br omrprefix: ', str(omrprefix))
 | |
|     print('host route table:\n', str(out_str))
 | |
|     return str(omrprefix) in str(out_str)
 | |
| 
 | |
| 
 | |
| def host_connect_wifi() -> None:
 | |
|     command = '. /home/test/wlan_connection_OTTE.sh'
 | |
|     subprocess.call(command, shell=True, timeout=30)
 | |
|     time.sleep(5)
 | |
| 
 | |
| 
 | |
| def is_joined_wifi_network(br: IdfDut) -> bool:
 | |
|     return check_if_host_receive_ra(br)
 | |
| 
 | |
| 
 | |
| thread_ipv6_group = 'ff04:0:0:0:0:0:0:125'
 | |
| 
 | |
| 
 | |
| def check_ipmaddr(dut: IdfDut) -> bool:
 | |
|     info = get_ouput_string(dut, 'ipmaddr', 2)
 | |
|     if thread_ipv6_group in str(info):
 | |
|         return True
 | |
|     return False
 | |
| 
 | |
| 
 | |
| def thread_is_joined_group(dut: IdfDut) -> bool:
 | |
|     command = 'mcast join ' + thread_ipv6_group
 | |
|     execute_command(dut, command)
 | |
|     dut.expect('Done', timeout=5)
 | |
|     order = 0
 | |
|     while order < 3:
 | |
|         if check_ipmaddr(dut):
 | |
|             return True
 | |
|         execute_command(dut, command)
 | |
|         wait(dut, 2)
 | |
|         order = order + 1
 | |
|     return False
 | |
| 
 | |
| 
 | |
| class udp_parameter:
 | |
|     def __init__(
 | |
|         self,
 | |
|         udp_type: str = '',
 | |
|         addr: str = '::',
 | |
|         port: int = 5090,
 | |
|         group: str = '',
 | |
|         init_flag: bool = False,
 | |
|         timeout: float = 15.0,
 | |
|         udp_bytes: bytes = b'',
 | |
|     ):
 | |
|         self.udp_type = udp_type
 | |
|         self.addr = addr
 | |
|         self.port = port
 | |
|         self.group = group
 | |
|         self.init_flag = init_flag
 | |
|         self.timeout = timeout
 | |
|         self.udp_bytes = udp_bytes
 | |
| 
 | |
| 
 | |
| def create_host_udp_server(myudp: udp_parameter) -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     try:
 | |
|         if myudp.udp_type == 'INET6':
 | |
|             AF_INET = socket.AF_INET6
 | |
|         else:
 | |
|             AF_INET = socket.AF_INET
 | |
|         print('The host start to create udp server!')
 | |
|         if_index = socket.if_nametoindex(interface_name)
 | |
|         sock = socket.socket(AF_INET, socket.SOCK_DGRAM)
 | |
|         sock.bind((myudp.addr, myudp.port))
 | |
| 
 | |
|         if myudp.udp_type == 'INET6' and myudp.group != '':
 | |
|             sock.setsockopt(
 | |
|                 socket.IPPROTO_IPV6,
 | |
|                 socket.IPV6_JOIN_GROUP,
 | |
|                 struct.pack('16si', socket.inet_pton(socket.AF_INET6, myudp.group), if_index),
 | |
|             )
 | |
|         sock.settimeout(myudp.timeout)
 | |
|         myudp.init_flag = True
 | |
|         print('The host start to receive message!')
 | |
|         myudp.udp_bytes = (sock.recvfrom(1024))[0]
 | |
|         print('The host has received message: ', myudp.udp_bytes)
 | |
|     except socket.error:
 | |
|         print('The host did not receive message!')
 | |
|     finally:
 | |
|         print('Close the socket.')
 | |
|         sock.close()
 | |
| 
 | |
| 
 | |
| def host_udp_send_message(udp_target: udp_parameter) -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     try:
 | |
|         if udp_target.udp_type == 'INET6':
 | |
|             AF_INET = socket.AF_INET6
 | |
|         else:
 | |
|             AF_INET = socket.AF_INET
 | |
|         sock = socket.socket(AF_INET, socket.SOCK_DGRAM)
 | |
|         sock.bind(('::', 12350))
 | |
|         sock.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, interface_name.encode())
 | |
|         sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 32)
 | |
|         print('Host is sending message')
 | |
|         sock.sendto(udp_target.udp_bytes, (udp_target.addr, udp_target.port))
 | |
|     except socket.error:
 | |
|         print('Host cannot send message')
 | |
|     finally:
 | |
|         sock.close()
 | |
| 
 | |
| 
 | |
| def wait(dut: IdfDut, wait_time: float) -> None:
 | |
|     dut.expect(pexpect.TIMEOUT, timeout=wait_time)
 | |
| 
 | |
| 
 | |
| def get_host_ipv4_address() -> str:
 | |
|     interface_name = get_host_interface_name()
 | |
|     command = 'ifconfig ' + interface_name + " | grep -w 'inet' | awk '{print $2}'"
 | |
|     out_bytes = subprocess.check_output(command, shell=True, timeout=5)
 | |
|     out_str = out_bytes.decode('utf-8')
 | |
|     host_ipv4_address = ''
 | |
|     host_ipv4_address = re.findall(r'((?:\d+.){3}\d+)', str(out_str))[0]
 | |
|     return host_ipv4_address
 | |
| 
 | |
| 
 | |
| def restart_avahi() -> None:
 | |
|     command = 'avahi-daemon -k'
 | |
|     subprocess.Popen(command, shell=True)
 | |
|     time.sleep(2)
 | |
|     command = 'avahi-daemon'
 | |
|     subprocess.Popen(command, shell=True)
 | |
|     time.sleep(5)
 | |
| 
 | |
| 
 | |
| def start_avahi() -> None:
 | |
|     time.sleep(1)
 | |
|     command = '/etc/init.d/dbus start'
 | |
|     subprocess.Popen(command, shell=True)
 | |
|     time.sleep(5)
 | |
|     restart_avahi()
 | |
| 
 | |
| 
 | |
| def host_close_service() -> None:
 | |
|     command = 'ps auxww | grep avahi-publish-s'
 | |
|     out_bytes = subprocess.check_output(command, shell=True, timeout=5)
 | |
|     out_str = out_bytes.decode('utf-8')
 | |
|     print('host close service avahi status:\n', out_str)
 | |
|     service_info = [line for line in out_str.splitlines() if 'testxxx _testxxx._udp' in line]
 | |
|     for line in service_info:
 | |
|         print('Process:', line)
 | |
|         pid = line.split()[1]
 | |
|         command = 'kill -9 ' + pid
 | |
|         print('kill ', pid)
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
| 
 | |
| 
 | |
| def close_host_interface() -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     flag = False
 | |
|     try:
 | |
|         command = 'ifconfig ' + interface_name + ' down'
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         flag = True
 | |
|     finally:
 | |
|         time.sleep(1)
 | |
|         assert flag
 | |
| 
 | |
| 
 | |
| def open_host_interface() -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     flag = False
 | |
|     try:
 | |
|         command = 'ifconfig ' + interface_name + ' up'
 | |
|         subprocess.call(command, shell=True, timeout=5)
 | |
|         time.sleep(1)
 | |
|         flag = True
 | |
|     finally:
 | |
|         time.sleep(1)
 | |
|         assert flag
 | |
| 
 | |
| 
 | |
| def get_domain() -> str:
 | |
|     hostname = socket.gethostname()
 | |
|     print('hostname is: ', hostname)
 | |
|     command = 'ps -auxww | grep avahi-daemon | grep running'
 | |
|     out_str = subprocess.getoutput(command)
 | |
|     print('avahi status:\n', out_str)
 | |
|     role = re.findall(r'\[([\w\W]+)\.local\]', str(out_str))[0]
 | |
|     print('active host is: ', role)
 | |
|     return str(role)
 | |
| 
 | |
| 
 | |
| def flush_ipv6_addr_by_interface() -> None:
 | |
|     interface_name = get_host_interface_name()
 | |
|     print(f'flush ipv6 addr : {interface_name}')
 | |
|     command_show_addr = f'ip -6 addr show dev {interface_name}'
 | |
|     command_show_route = f'ip -6 route show dev {interface_name}'
 | |
|     addr_before = subprocess.getoutput(command_show_addr)
 | |
|     route_before = subprocess.getoutput(command_show_route)
 | |
|     print(f'Before flush, IPv6 addresses: \n{addr_before}')
 | |
|     print(f'Before flush, IPv6 routes: \n{route_before}')
 | |
|     subprocess.run(['ip', 'link', 'set', interface_name, 'down'])
 | |
|     subprocess.run(['ip', '-6', 'addr', 'flush', 'dev', interface_name])
 | |
|     subprocess.run(['ip', '-6', 'route', 'flush', 'dev', interface_name])
 | |
|     subprocess.run(['ip', 'link', 'set', interface_name, 'up'])
 | |
|     time.sleep(5)
 | |
|     addr_after = subprocess.getoutput(command_show_addr)
 | |
|     route_after = subprocess.getoutput(command_show_route)
 | |
|     print(f'After flush, IPv6 addresses: \n{addr_after}')
 | |
|     print(f'After flush, IPv6 routes: \n{route_after}')
 | |
| 
 | |
| 
 | |
| class tcp_parameter:
 | |
|     def __init__(
 | |
|         self,
 | |
|         tcp_type: str = '',
 | |
|         addr: str = '::',
 | |
|         port: int = 12345,
 | |
|         listen_flag: bool = False,
 | |
|         recv_flag: bool = False,
 | |
|         timeout: float = 15.0,
 | |
|         tcp_bytes: bytes = b'',
 | |
|     ):
 | |
|         self.tcp_type = tcp_type
 | |
|         self.addr = addr
 | |
|         self.port = port
 | |
|         self.listen_flag = listen_flag
 | |
|         self.recv_flag = recv_flag
 | |
|         self.timeout = timeout
 | |
|         self.tcp_bytes = tcp_bytes
 | |
| 
 | |
| 
 | |
| def create_host_tcp_server(mytcp: tcp_parameter) -> None:
 | |
|     try:
 | |
|         if mytcp.tcp_type == 'INET6':
 | |
|             AF_INET = socket.AF_INET6
 | |
|         else:
 | |
|             AF_INET = socket.AF_INET
 | |
|         print('The host start to create a tcp server!')
 | |
|         sock = socket.socket(AF_INET, socket.SOCK_STREAM)
 | |
|         sock.bind((mytcp.addr, mytcp.port))
 | |
|         sock.listen(5)
 | |
|         mytcp.listen_flag = True
 | |
| 
 | |
|         print('The tcp server is waiting for connection!')
 | |
|         sock.settimeout(mytcp.timeout)
 | |
|         connfd, addr = sock.accept()
 | |
|         print('The tcp server connected with ', addr)
 | |
|         mytcp.recv_flag = True
 | |
| 
 | |
|         mytcp.tcp_bytes = connfd.recv(1024)
 | |
|         print('The tcp server has received message: ', mytcp.tcp_bytes)
 | |
| 
 | |
|     except socket.error:
 | |
|         if mytcp.recv_flag:
 | |
|             print('The tcp server did not receive message!')
 | |
|         else:
 | |
|             print('The tcp server fail to connect!')
 | |
|     finally:
 | |
|         print('Close the socket.')
 | |
|         sock.close()
 | |
| 
 | |
| 
 | |
| def get_ipv6_from_ipv4(ipv4_address: str, br: IdfDut) -> str:
 | |
|     clean_buffer(br)
 | |
|     nat64prefix = get_nat64prefix(br)
 | |
|     ipv4_find = re.findall(r'\d+', ipv4_address)
 | |
|     ipv6_16_1 = decimal_to_hex(ipv4_find[0]) + decimal_to_hex(ipv4_find[1])
 | |
|     ipv6_16_2 = decimal_to_hex(ipv4_find[2]) + decimal_to_hex(ipv4_find[3])
 | |
|     ipv6_get_from_ipv4 = nat64prefix + ':' + ipv6_16_1 + ':' + ipv6_16_2
 | |
|     return str(ipv6_get_from_ipv4)
 | |
| 
 | |
| 
 | |
| def decimal_to_hex(decimal_str: str) -> str:
 | |
|     decimal_int = int(decimal_str)
 | |
|     hex_str = hex(decimal_int)[2:]
 | |
|     return hex_str
 | |
| 
 | |
| 
 | |
| def get_omrprefix(br: IdfDut) -> str:
 | |
|     execute_command(br, 'br omrprefix')
 | |
|     omrprefix = br.expect(r'Local: ((?:\w+:){4}):/\d+\r', timeout=5)[1].decode()
 | |
|     return str(omrprefix)
 | |
| 
 | |
| 
 | |
| def get_onlinkprefix(br: IdfDut) -> str:
 | |
|     execute_command(br, 'br onlinkprefix')
 | |
|     onlinkprefix = br.expect(r'Local: ((?:\w+:){4}):/\d+\r', timeout=5)[1].decode()
 | |
|     return str(onlinkprefix)
 | |
| 
 | |
| 
 | |
| def get_nat64prefix(br: IdfDut) -> str:
 | |
|     execute_command(br, 'br nat64prefix')
 | |
|     nat64prefix = br.expect(r'Local: ((?:\w+:){6}):/\d+', timeout=5)[1].decode()
 | |
|     return str(nat64prefix)
 | |
| 
 | |
| 
 | |
| def execute_command(dut: IdfDut, command: str) -> None:
 | |
|     clean_buffer(dut)
 | |
|     dut.write(command)
 | |
| 
 | |
| 
 | |
| def get_ouput_string(dut: IdfDut, command: str, wait_time: int) -> str:
 | |
|     execute_command(dut, command)
 | |
|     tmp = dut.expect(pexpect.TIMEOUT, timeout=wait_time)
 | |
|     clean_buffer(dut)
 | |
|     return str(tmp)
 | 
