mirror of
https://github.com/espressif/esp-idf.git
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526 lines
22 KiB
Python
526 lines
22 KiB
Python
# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: CC0-1.0
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import ipaddress
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import logging
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import re
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import socket
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import subprocess
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import time
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from concurrent.futures import Future, ThreadPoolExecutor
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from typing import List, Union
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import netifaces
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import paramiko # type: ignore
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import pytest
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from common_test_methods import get_host_ip_by_interface
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from netmiko import ConnectHandler
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from pytest_embedded import Dut
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# Testbed configuration
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BR_PORTS_NUM = 2
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IPERF_BW_LIM = 6
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MIN_UDP_THROUGHPUT = 5
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MIN_TCP_THROUGHPUT = 4
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class EndnodeSsh:
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def __init__(self, host_ip: str, usr: str, passwd: str):
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self.host_ip = host_ip
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self.ssh_client = paramiko.SSHClient()
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self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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self.ssh_client.connect(hostname=self.host_ip,
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username=usr,
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password=passwd)
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self.executor: ThreadPoolExecutor
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self.async_result: Future
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def exec_cmd(self, cmd: str) -> str:
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_, stdout, stderr = self.ssh_client.exec_command(cmd)
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out = stdout.read().decode().strip()
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error = stderr.read().decode().strip()
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if error:
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out = ''
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logging.error('ssh_endnode_exec error: {}'.format(error))
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return out # type: ignore
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def exec_cmd_async(self, cmd: str) -> None:
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self.executor = ThreadPoolExecutor(max_workers=1)
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self.async_result = self.executor.submit(self.exec_cmd, cmd)
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def get_async_res(self) -> str:
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return self.async_result.result(10) # type: ignore
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def close(self) -> None:
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self.ssh_client.close()
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class SwitchSsh:
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EDGE_SWITCH_5XP = 0
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EDGE_SWITCH_10XP = 1
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def __init__(self, host_ip: str, usr: str, passwd: str, device_type: int):
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self.host_ip = host_ip
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self.type = device_type
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if self.type == self.EDGE_SWITCH_5XP:
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self.ssh_client = paramiko.SSHClient()
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self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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self.ssh_client.connect(hostname=self.host_ip,
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username=usr,
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password=passwd)
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else:
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edgeSwitch = {
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'device_type': 'ubiquiti_edgeswitch',
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'host': self.host_ip,
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'username': usr,
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'password': passwd,
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}
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self.ssh_client = ConnectHandler(**edgeSwitch)
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def exec_cmd(self, cmd: Union[str, List[str]]) -> str:
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if self.type == self.EDGE_SWITCH_5XP:
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_, stdout, stderr = self.ssh_client.exec_command(cmd)
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out = stdout.read().decode().strip()
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error = stderr.read().decode().strip()
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if error != 'TSW Init OK!':
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raise Exception('switch_5xp exec_cmd error: {}'.format(error))
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else:
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out = self.ssh_client.send_config_set(cmd, cmd_verify=False, exit_config_mode=False)
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return out # type: ignore
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def switch_port_down(self, port: int) -> None:
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if self.type == self.EDGE_SWITCH_5XP:
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command = '/usr/bin/tswconf debug phy set ' + str(port - 1) + ' 0 0x800'
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self.exec_cmd(command)
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else:
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commands = ['interface GigabitEthernet ' + str(port), 'shutdown']
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self.exec_cmd(commands)
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def switch_port_up(self, port: int) -> None:
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if self.type == self.EDGE_SWITCH_5XP:
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command = '/usr/bin/tswconf debug phy set ' + str(port - 1) + ' 0 0x1000'
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self.exec_cmd(command)
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else:
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commands = ['interface GigabitEthernet' + str(port), 'no shutdown']
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self.exec_cmd(commands)
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def close(self) -> None:
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if self.type == self.EDGE_SWITCH_5XP:
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self.ssh_client.close()
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else:
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self.ssh_client.disconnect()
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def get_endnode_mac_by_interface(endnode: EndnodeSsh, if_name: str) -> str:
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ip_info = endnode.exec_cmd(f'ip addr show {if_name}')
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regex = if_name + r':.*?link/ether ([0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2})'
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mac_addr = re.search(regex, ip_info, re.DOTALL)
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if mac_addr is None:
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return ''
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return mac_addr.group(1)
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def get_endnode_ip_by_interface(endnode: EndnodeSsh, if_name: str) -> str:
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ip_info = endnode.exec_cmd(f'ip addr show {if_name}')
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regex = if_name + r':.*?inet (\d+[.]\d+[.]\d+[.]\d+)\/'
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ip_addr = re.search(regex, ip_info, re.DOTALL)
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if ip_addr is None:
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return ''
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return ip_addr.group(1)
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def get_host_interface_name_in_same_net(ip_addr: str) -> str:
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ip_net = ipaddress.IPv4Network(f'{ip_addr}/24', strict=False)
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for interface in netifaces.interfaces():
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addr = get_host_ip_by_interface(interface)
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if ipaddress.IPv4Address(addr) in ip_net:
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return str(interface)
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return ''
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def get_host_mac_by_interface(interface_name: str, addr_type: int = netifaces.AF_LINK) -> str:
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for _addr in netifaces.ifaddresses(interface_name)[addr_type]:
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host_mac = _addr['addr'].replace('%{}'.format(interface_name), '')
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assert isinstance(host_mac, str)
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return host_mac
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return ''
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def get_host_brcast_ip_by_interface(interface_name: str, ip_type: int = netifaces.AF_INET) -> str:
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for _addr in netifaces.ifaddresses(interface_name)[ip_type]:
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host_ip = _addr['broadcast'].replace('%{}'.format(interface_name), '')
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assert isinstance(host_ip, str)
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return host_ip
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return ''
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def run_iperf(proto: str, endnode: EndnodeSsh, server_ip: str, bandwidth_lim:int=10, interval:int=5, server_if:str='', client_if:str='') -> float:
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if proto == 'tcp':
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proto = ''
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else:
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proto = '-u'
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if ipaddress.ip_address(server_ip).is_multicast:
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# Configure Multicast Server
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server_proc = subprocess.Popen(['iperf', '-u', '-s', '-i', '1', '-t', '%i' % interval, '-B', '%s%%%s'
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% (server_ip, server_if)], text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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# Configure Multicast Client
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endnode_ip = get_endnode_ip_by_interface(endnode, client_if)
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if endnode_ip == '':
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raise Exception('End node IP address not found')
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client_res = endnode.exec_cmd('iperf -u -c %s -t %i -i 1 -b %iM --ttl 5 -B %s' % (server_ip, interval, bandwidth_lim, endnode_ip))
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if server_proc.wait(10) is None: # Process did not finish.
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server_proc.terminate()
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else:
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# Configure Server
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server_proc = subprocess.Popen(['iperf', '%s' % proto, '-s', '-i', '1', '-t', '%i' % interval], text=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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# Configure Client
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client_res = endnode.exec_cmd('iperf %s -c %s -t %i -i 1 -b %iM' % (proto, server_ip, interval, bandwidth_lim))
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if server_proc.wait(10) is None: # Process did not finish.
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server_proc.terminate()
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try:
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server_res = server_proc.communicate(timeout=15)[0]
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except subprocess.TimeoutExpired:
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server_proc.kill()
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server_res = server_proc.communicate()[0]
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print('\n')
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print(client_res)
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print('\n')
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print(server_res)
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SERVER_BANDWIDTH_LOG_PATTERN = r'(\d+\.\d+)\s*-\s*(\d+.\d+)\s+sec\s+[\d.]+\s+MBytes\s+([\d.]+)\s+Mbits\/sec'
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performance = re.search(SERVER_BANDWIDTH_LOG_PATTERN, server_res, re.DOTALL)
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if performance is None:
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return -1.0
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return float(performance.group(3))
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def send_brcast_msg_host_to_endnode(endnode: EndnodeSsh, host_brcast_ip: str, test_msg: str) -> str:
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endnode.exec_cmd_async('timeout 4s nc -u -w 0 -l -p 5100')
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time.sleep(1)
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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sock.sendto(test_msg.encode('utf-8'), (host_brcast_ip, 5100))
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except socket.error as e:
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raise Exception('Host brcast send failed %s' % e)
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nc_endnode_out = endnode.get_async_res()
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return nc_endnode_out
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def send_brcast_msg_endnode_to_host(endnode: EndnodeSsh, host_brcast_ip: str, test_msg: str) -> str:
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.settimeout(5)
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try:
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sock.bind(('', 5100))
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except socket.error as e:
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raise Exception('Host bind failed %s' % e)
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endnode.exec_cmd('echo -n "%s" | nc -b -w0 -u %s 5100' % (test_msg, host_brcast_ip))
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try:
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nc_host_out = sock.recv(1500).decode('utf-8')
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except socket.error as e:
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raise Exception('Host recv failed %s' % e)
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return nc_host_out
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@pytest.mark.esp32
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@pytest.mark.ethernet_w5500
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@pytest.mark.parametrize('config', [
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'w5500',
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], indirect=True)
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def test_esp_eth_bridge(
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dut: Dut,
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dev_user: str,
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dev_password: str
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) -> None:
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# ------------------------------ #
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# Pre-test testbed configuration #
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# ------------------------------ #
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# Get switch configuration info from the hostname
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host_name = socket.gethostname()
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regex = r'ethVM-(\d+)-(\d+)'
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sw_info = re.search(regex, host_name, re.DOTALL)
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if sw_info is None:
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raise Exception('Unexpected hostname')
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sw_num = int(sw_info.group(1))
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port_num = int(sw_info.group(2))
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port_num_endnode = int(port_num) + 1 # endnode address is always + 1 to the host
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endnode = EndnodeSsh(f'10.10.{sw_num}.{port_num_endnode}',
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dev_user,
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dev_password)
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switch1 = SwitchSsh(f'10.10.{sw_num}.100',
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dev_user,
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dev_password,
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SwitchSsh.EDGE_SWITCH_10XP)
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# Collect all addresses in our network
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# ------------------------------------
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# Bridge (DUT) MAC
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br_mac = dut.expect(r'esp_netif_br_glue: ([0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2})')
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br_mac = br_mac.group(1).decode('utf-8')
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logging.info('ESP Bridge MAC %s', br_mac)
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# Get unique identification of each Ethernet port
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p1_id = dut.expect(r'Ethernet \((0x[0-9A-Fa-f]{8})\) Started')
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p1_id = p1_id.group(1).decode('utf-8')
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p2_id = dut.expect(r'Ethernet \((0x[0-9A-Fa-f]{8})\) Started')
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p2_id = p2_id.group(1).decode('utf-8')
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# Bridge (DUT) IP
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dut.expect_exact('Ethernet Got IP Address')
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br_ip = dut.expect(r'ETHIP:(\d+[.]\d+[.]\d+[.]\d+)\r')
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br_ip = br_ip.group(1).decode('utf-8')
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logging.info('ESP Bridge IP %s', br_ip)
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# Host interface is in the same network as DUT
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host_if = get_host_interface_name_in_same_net(br_ip)
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# Test Host MAC
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host_mac = get_host_mac_by_interface(host_if)
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logging.info('Host MAC %s', host_mac)
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# Test Host IP
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host_ip = get_host_ip_by_interface(host_if, netifaces.AF_INET)
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logging.info('Host IP %s', host_ip)
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endnode_if = host_if # endnode is a clone of the host
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# Endnode MAC
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endnode_mac = get_endnode_mac_by_interface(endnode, endnode_if)
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logging.info('Endnode MAC %s', endnode_mac)
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# Toggle link status at the End Node to initiate DHCP request
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endnode.exec_cmd(f'sudo ip link set down dev {endnode_if}')
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endnode.exec_cmd(f'sudo ip link set up dev {endnode_if}')
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# Endnode IP
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for i in range(15):
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endnode_ip = get_endnode_ip_by_interface(endnode, endnode_if)
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if endnode_ip != '':
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break
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time.sleep(1)
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logging.info('End node waiting for DHCP IP addr, %isec...', i)
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else:
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raise Exception('End node IP address not found')
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logging.info('Endnode IP %s', endnode_ip)
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# --------------------------------------------------
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# TEST Objective 1: Ping the devices on the network
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# --------------------------------------------------
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# ping bridge
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ping_test = subprocess.call(f'ping {br_ip} -c 2', shell=True)
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if ping_test != 0:
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raise Exception('ESP bridge is not reachable')
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# ping the end nodes of the network
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ping_test = subprocess.call(f'ping {endnode_ip} -c 2', shell=True)
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if ping_test != 0:
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raise Exception('End node is not reachable')
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# -------------------------------------------------
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# TEST Objective 2: Ports Link Up/Down combinations
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# -------------------------------------------------
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logging.info('link down the port #1')
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switch1.switch_port_down(port_num)
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dut.expect_exact(f'Ethernet ({p1_id}) Link Down')
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logging.info('link down both ports')
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switch1.switch_port_down(port_num_endnode)
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dut.expect_exact(f'Ethernet ({p2_id}) Link Down')
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logging.info('link up the port #1')
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switch1.switch_port_up(port_num)
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dut.expect_exact(f'Ethernet ({p1_id}) Link Up')
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dut.expect_exact('Ethernet Got IP Address') # DHCP Server is connected to port #1
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logging.info('link down both ports')
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switch1.switch_port_down(port_num)
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dut.expect_exact(f'Ethernet ({p1_id}) Link Down')
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logging.info('link up the port #2')
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switch1.switch_port_up(port_num_endnode)
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dut.expect_exact(f'Ethernet ({p2_id}) Link Up') # Note: No "Ethernet Got IP Address" since DHCP Server is connected to port #1
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logging.info('link down both ports')
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switch1.switch_port_down(port_num_endnode)
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dut.expect_exact(f'Ethernet ({p2_id}) Link Down')
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logging.info('link up both ports')
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switch1.switch_port_up(port_num_endnode)
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dut.expect_exact(f'Ethernet ({p2_id}) Link Up')
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switch1.switch_port_up(port_num) # link up port #1 as last to ensure we Got IP address after link port #2 is up
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dut.expect_exact(f'Ethernet ({p1_id}) Link Up')
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dut.expect_exact('Ethernet Got IP Address')
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# --------------------------------------------------------------------------
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# TEST Objective 3: IP traffic forwarding (iPerf between network end nodes)
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# --------------------------------------------------------------------------
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# unicast UDP
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bandwidth_udp = run_iperf('udp', endnode, host_ip, IPERF_BW_LIM, 5)
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logging.info('Unicast UDP average bandwidth: %s Mbits/s', bandwidth_udp)
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# unicast TCP
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bandwidth_tcp = run_iperf('tcp', endnode, host_ip, IPERF_BW_LIM, 5)
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logging.info('Unicast TCP average bandwidth: %s Mbits/s', bandwidth_tcp)
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# multicast UDP
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bandwidth_mcast_udp = run_iperf('udp', endnode, '224.0.1.4', IPERF_BW_LIM, 5, host_if, endnode_if)
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logging.info('Multicast UDP average bandwidth: %s Mbits/s', bandwidth_mcast_udp)
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if bandwidth_udp < MIN_UDP_THROUGHPUT:
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raise Exception('Unicast UDP throughput expected %.2f, actual %.2f' % (MIN_UDP_THROUGHPUT, bandwidth_udp) + ' Mbits/s')
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if bandwidth_tcp < MIN_TCP_THROUGHPUT:
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raise Exception('Unicast TCP throughput expected %.2f, actual %.2f' % (MIN_TCP_THROUGHPUT, bandwidth_tcp) + ' Mbits/s')
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if bandwidth_mcast_udp < MIN_UDP_THROUGHPUT:
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raise Exception('Multicast UDP throughput expected %.2f, actual %.2f' % (MIN_UDP_THROUGHPUT, bandwidth_mcast_udp) + ' Mbits/s')
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# ------------------------------------------------
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# TEST Objective 4: adding/deleting entries in FDB
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# ------------------------------------------------
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# At first test the Bridge Example Command Interface
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MAC_ADDR = '01:02:03:04:05:06'
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dut.write('\n')
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dut.expect_exact('bridge>')
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# invalid MAC format
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dut.write('add --addr=01:125:02:00:00:0A -d')
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dut.expect_exact('Ivalid MAC address format')
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dut.expect_exact('Command returned non-zero error code: 0x1')
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dut.write('add --addr=01:QA:02:00:00:0A -d')
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dut.expect_exact('Ivalid MAC address format')
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dut.expect_exact('Command returned non-zero error code: 0x1')
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dut.write('add --addr=01:00:02:00:0A -d')
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dut.expect_exact('Ivalid MAC address format')
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dut.expect_exact('Command returned non-zero error code: 0x1')
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# invalid number of config parameters
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dut.write('add --addr=' + MAC_ADDR + ' -d -c -p 1')
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dut.expect_exact('Invalid number or combination of arguments')
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dut.expect_exact('Command returned non-zero error code: 0x1')
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dut.write('add --addr=' + MAC_ADDR + ' -d -c')
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dut.expect_exact('Invalid number or combination of arguments')
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dut.expect_exact('Command returned non-zero error code: 0x1')
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dut.write('add --addr=' + MAC_ADDR + ' -f -c')
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dut.expect_exact('Invalid number or combination of arguments')
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dut.expect_exact('Command returned non-zero error code: 0x1')
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dut.write('add --addr=' + MAC_ADDR + ' -d -p 1')
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dut.expect_exact('Invalid number or combination of arguments')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
dut.write('add --addr=' + MAC_ADDR + ' -f -p 1 -p 2')
|
|
dut.expect_exact('Invalid number or combination of arguments')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
dut.write('add -p 1')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
dut.write('add --addr=' + MAC_ADDR + ' -p')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
dut.write('remove')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
dut.write('remove --addr=' + MAC_ADDR + ' -d')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
# Invalid port interval number
|
|
dut.write('add --addr=' + MAC_ADDR + ' -p 0')
|
|
dut.expect_exact('Invalid port number')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
dut.write('add --addr=' + MAC_ADDR + ' -p ' + str(BR_PORTS_NUM + 1))
|
|
dut.expect_exact('Invalid port number')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
|
|
# try to add more FDB entries than configured max number
|
|
for i in range(BR_PORTS_NUM + 1):
|
|
dut.write('add --addr=01:02:03:00:00:%02x' % i + ' -d')
|
|
if i < BR_PORTS_NUM:
|
|
dut.expect_exact('Bridge Config OK!')
|
|
else:
|
|
dut.expect_exact('Adding FDB entry failed')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
|
|
# try to remove non-existent FDB entry
|
|
dut.write('remove --addr=' + MAC_ADDR)
|
|
dut.expect_exact('Removing FDB entry failed')
|
|
dut.expect_exact('Command returned non-zero error code: 0x1')
|
|
|
|
# remove dummy entries
|
|
for i in range(BR_PORTS_NUM):
|
|
dut.write('remove --addr=01:02:03:00:00:%02x' % i)
|
|
dut.expect_exact('Bridge Config OK!')
|
|
|
|
# valid multiple ports at once
|
|
dut.write('add --addr=' + MAC_ADDR + ' -c -p 1 -p 2')
|
|
dut.expect_exact('Bridge Config OK!')
|
|
dut.write('remove --addr=' + MAC_ADDR)
|
|
dut.expect_exact('Bridge Config OK!')
|
|
dut.write('add --addr=' + MAC_ADDR + ' -p 1 -p 2')
|
|
dut.expect_exact('Bridge Config OK!')
|
|
dut.write('remove --addr=' + MAC_ADDR)
|
|
dut.expect_exact('Bridge Config OK!')
|
|
|
|
# drop `Endnode` MAC and try to ping it from `Test Host`
|
|
logging.info('Drop `Endnode` MAC')
|
|
dut.write('add --addr=' + endnode_mac + ' -d')
|
|
dut.expect_exact('Bridge Config OK!')
|
|
ping_test = subprocess.call(f'ping {endnode_ip} -c 2', shell=True)
|
|
if ping_test == 0:
|
|
raise Exception('End node should not be reachable')
|
|
logging.info('Remove Drop `Endnode` MAC entry')
|
|
dut.write('remove --addr=' + endnode_mac)
|
|
dut.expect_exact('Bridge Config OK!')
|
|
ping_test = subprocess.call(f'ping {endnode_ip} -c 2', shell=True)
|
|
if ping_test != 0:
|
|
raise Exception('End node is not reachable')
|
|
|
|
# Since we have only two ports on DUT, it is kind of tricky to verify the forwarding directly with devices'
|
|
# specific MAC addresses. However, we can verify it using broadcast address and to observe the system
|
|
# behavior in all directions.
|
|
|
|
# At first, check normal condition
|
|
TEST_MSG = 'ESP32 bridge test message'
|
|
host_brcast_ip = get_host_brcast_ip_by_interface(host_if, netifaces.AF_INET)
|
|
endnode_recv = send_brcast_msg_host_to_endnode(endnode, host_brcast_ip, TEST_MSG)
|
|
if endnode_recv != TEST_MSG:
|
|
raise Exception('Broadcast message was not received by endnode')
|
|
|
|
# now, configure forward the broadcast only to port #1
|
|
dut.write('add --addr=ff:ff:ff:ff:ff:ff -p 1')
|
|
dut.expect_exact('Bridge Config OK!')
|
|
# we should not be able to receive a message at endnode (no forward to port #2)...
|
|
endnode_recv = send_brcast_msg_host_to_endnode(endnode, host_brcast_ip, TEST_MSG)
|
|
if endnode_recv != '':
|
|
raise Exception('Broadcast message should not be received by endnode')
|
|
|
|
# ... but we should be able to do the same in opposite direction (forward to port #1)
|
|
host_recv = send_brcast_msg_endnode_to_host(endnode, host_brcast_ip, TEST_MSG)
|
|
if host_recv != TEST_MSG:
|
|
raise Exception('Broadcast message was not received by host')
|
|
|
|
# Remove ARP record from Test host computer. ARP is broadcasted, hence Bridge port does not reply to a request since
|
|
# it does not receive it (no forward to Bridge port). As a result, Bridge is not pingable.
|
|
subprocess.call(f'sudo arp -d {br_ip}', shell=True)
|
|
subprocess.call('arp -a', shell=True)
|
|
ping_test = subprocess.call(f'ping {br_ip} -c 2', shell=True)
|
|
if ping_test == 0:
|
|
raise Exception('Bridge should not be reachable')
|
|
|
|
# Remove current broadcast entry and replace it with extended one which includes Bridge port
|
|
# Now, we should be able to ping the Bridge...
|
|
dut.write('remove --addr=ff:ff:ff:ff:ff:ff')
|
|
dut.expect_exact('Bridge Config OK!')
|
|
dut.write('add --addr=ff:ff:ff:ff:ff:ff -p 1 -c')
|
|
dut.expect_exact('Bridge Config OK!')
|
|
ping_test = subprocess.call(f'ping {br_ip} -c 2', shell=True)
|
|
if ping_test != 0:
|
|
raise Exception('Bridge is not reachable')
|
|
|
|
# ...but we should still not be able to receive a message at endnode (no forward to port #2)
|
|
endnode_recv = send_brcast_msg_host_to_endnode(endnode, host_brcast_ip, TEST_MSG)
|
|
if endnode_recv != '':
|
|
raise Exception('Broadcast message should not be received by endnode')
|
|
|
|
endnode.close()
|
|
switch1.close()
|