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@ -233,7 +233,6 @@ class SimPacket():
self.message = message
self.up_jump = None # 上一跳连接对象
self.ping = ping
self.flag = False
self.img = ImageTk.PhotoImage(
Image.open(sys.path[0] + "/../datas/images/packet.png").resize((30, 30)))
self.id = str(uuid4())

@ -1,19 +0,0 @@
,组件名称,接口,ip,mac,端口,应用层地址
0,SHO3,1,10.1.1.10,MAC1,80.0,10.1.2.10:10810:Name3
1,SRO1,1,10.1.1.10,MAC11,,
2,SRO1,2,,,,
3,SRO2,1,,,,
4,SRO2,2,10.1.1.12,MAC13,,
5,SRO3,1,10.1.12.10,MAC31,,
6,SRO2,3,10.1.1.13,MAC14,,
7,SRO4,1,10.1.2.11,MAC21,,
8,SRO5,1,10.1.13.10,MAC41,,
9,SRO3,2,10.1.12.11,MAC32,,
10,SHO4,1,10.1.2.15,MAC3,80.0,10.1.2.10:10810:Name3
11,SRO4,2,10.1.2.12,MAC22,,
12,SRO5,2,10.1.13.11,MAC42,,
13,SHO2,1,10.1.12.15,MAC5,80.0,10.1.2.10:10810:Name3
14,SRO3,3,10.1.12.12,MAC33,,
15,SHO1,1,10.1.20.5,MAC4,80.0,10.1.20.5:10810:Name3
16,SHO5,1,10.1.22.11,MAC2,80.0,10.1.2.10:10810:Name3
17,SRO3,4,10.1.12.13,MAC34,,
1 组件名称 接口 ip mac 端口 应用层地址
2 0 SHO3 1 10.1.1.10 MAC1 80.0 10.1.2.10:10810:Name3
3 1 SRO1 1 10.1.1.10 MAC11
4 2 SRO1 2
5 3 SRO2 1
6 4 SRO2 2 10.1.1.12 MAC13
7 5 SRO3 1 10.1.12.10 MAC31
8 6 SRO2 3 10.1.1.13 MAC14
9 7 SRO4 1 10.1.2.11 MAC21
10 8 SRO5 1 10.1.13.10 MAC41
11 9 SRO3 2 10.1.12.11 MAC32
12 10 SHO4 1 10.1.2.15 MAC3 80.0 10.1.2.10:10810:Name3
13 11 SRO4 2 10.1.2.12 MAC22
14 12 SRO5 2 10.1.13.11 MAC42
15 13 SHO2 1 10.1.12.15 MAC5 80.0 10.1.2.10:10810:Name3
16 14 SRO3 3 10.1.12.12 MAC33
17 15 SHO1 1 10.1.20.5 MAC4 80.0 10.1.20.5:10810:Name3
18 16 SHO5 1 10.1.22.11 MAC2 80.0 10.1.2.10:10810:Name3
19 17 SRO3 4 10.1.12.13 MAC34

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@ -1,114 +0,0 @@
import re
from NetworkAnalog.SimObjs import SimBase, AllSimConnect, SimRouter, SimHost
class SimPacket(): # 需要补充至编程13.7当中
def __init__(self, source_ip, source_mac, destination_ip, message=None, ping=False):
"""
:param source_mac: 源主机mac地址
:param source_ip: 源主机ip地址
:param destination_mac: 目的主机mac地址
:param destination_ip: 目的主机ip地址
:param message: 数据
"""
self.source_mac = source_mac
self.source_ip = source_ip
self.destination_ip = destination_ip
self.message = message
self.up_jump = None # 上一跳连接对象
self.ping = ping
self.flag = False # 是否传输成功
class SimHost(SimBase):
def receive(self, packet: SimPacket): # 修改编程13.7中SimHost的receive方法
# 判断目的IP是否与本机IP一致以及判断当前主机是否联网
if packet.destination_ip == self.interface[0]["ip"] and self.network_online:
print(f"主机{self.ObjLabel}接受到数据{packet.message}")
packet.flag = True # 将packet的传输状态改为True视为传输成功
else:
print(f"数据传输失败")
def validate_ip_address(ip_address):# 定义IP地址的正则表达式模式
pattern_with_subnet = r'^(\d{1,3})\.(\d{1,3})\.(' \
r'\d{1,3})\.(\d{1,3})/(\d{1,2})$'
pattern_without_subnet = r'^(\d{1,3})\.(\d{1,3})' \
r'\.(\d{1,3})\.(\d{1,3})$'
match_with_subnet = re.match(pattern_with_subnet,
ip_address) # 使用re模块进行匹配
match_without_subnet = re.match(pattern_without_subnet, ip_address)
if match_with_subnet: # 带有子网掩码的IP地址
# 检查每个组件的取值范围是否在 0-255 之间
for group in match_with_subnet.groups()[:4]:
if not (0 <= int(group) <= 255):
return False
subnet_mask = int(match_with_subnet.groups()[4])
# 检查子网掩码的取值范围是否在 0-32 之间
if not (0 <= subnet_mask <= 32):
return False
return True
elif match_without_subnet: # 不带子网掩码的IP地址
for group in match_without_subnet.groups():
if not (0 <= int(group) <= 255):
return False
return True
else:
return False # IP地址格式不正确
def is_same_subnet(ip1, ip2): # 判断两个IP地址是否属于同一网段
# 将IP地址和子网掩码转换为整数列表
ip1_parts = [int(part) for part in ip1.split('.')]
ip2_parts = [int(part) for part in ip2.split('.')]
subnet_mask_parts = [int(part) for part in "255.255.255.0".split('.')]
# 计算网络地址
network1 = [ip1_parts[i] & subnet_mask_parts[i] for i in range(4)]
network2 = [ip2_parts[i] & subnet_mask_parts[i] for i in range(4)]
# 比较网络地址是否相同
return network1 == network2
class NetworkAnalog():
...
def check_network(self): # 判断各网络节点是否配置正确
flag = True
sim_host_list = []
for key, tag in self.AllSimObjs.items(): # 遍历所有组件
# todo: 判断主机的ip配置是否都合格
if tag.ObjType == 1: # 如果该组件为主机
for interface in tag.interface: # 遍历该主机下所有接口
index = tag.interface.index(interface) + 1 # 获取当前接口号
ip_ = interface["ip"] # 获取当前接口IP
if not validate_ip_address(ip_): # 判断主机配置的IP是否正确
self.message.show_message(f"主机{tag.ObjLabel}的接口{index} IP 配置错误")
flag = False
sim_host_list.append(tag) # 将所有主机组件添加到列表中
# todo: 判断路由器的四个接口是否都在同一网段下
if tag.ObjType == 2: # 如果当前组件为路由器
ip_ = tag.interface[0]["ip"] # 将第一个接口设为默认
for interface in tag.interface: # 遍历所有接口
index = tag.interface.index(interface) + 1 # 获取当前接口号
if not is_same_subnet(ip_, interface["ip"]): # 判断所有接口是否在同一网段下
self.message.show_message(f"路由器{tag.ObjLabel}中接口{index}不在同一网段下")
flag = False
# todo: 检查路由表是否能跳转到下一跳
if tag.ObjType == 2: # 如果当前组件为路由器
for conn in tag.connections: # 遍历该组件所有链接线
next_jump = conn.NobjE # 获取下一跳组件
if not is_same_subnet(tag.interface[conn.IfsS]["ip"], next_jump.interface[conn.IfsE]["ip"]): # 检查路由表是否能跳转到下一跳
self.message.show_message(f"路由器组件{tag.ObjLabel}路由表配置错误,请检查")
flag = False
# todo: 判断从所有主机发送数据包到其他所有主机能否成功
for sim_host in sim_host_list: # 遍历所有主机组件
sim_host: SimHost = sim_host
for destination_sim_host in sim_host_list: # 遍历所有主机组件
packet = SimPacket(sim_host.interface[0]['ip'],
sim_host.interface[0]['mac'],
destination_sim_host.interface[0]["ip"]) # 封装数据包,将发送主机信息和接收主机信息封装到数据包中
sim_host.send(packet) # 模拟发送
if not packet.flag: # 判断是否传输成功
self.message.show_message(f"主机{sim_host.ObjLabel}传输至{destination_sim_host.ObjLabel}失败,请检查配置!")
return flag

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@ -1,19 +1,43 @@
import socket
def is_same_subnet(ip1, ip2):
# 将IP地址和子网掩码转换为整数列表
ip1_parts = [int(part) for part in ip1.split('.')]
ip2_parts = [int(part) for part in ip2.split('.')]
subnet_mask_parts = [int(part) for part in "255.255.255.0".split('.')]
# 计算网络地址
network1 = [ip1_parts[i] & subnet_mask_parts[i] for i in range(4)]
network2 = [ip2_parts[i] & subnet_mask_parts[i] for i in range(4)]
AllSimObj = [
{"ObjID": "SHO1", "ObjType": 1, "ObjLabel": "A", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO2", "ObjType": 1, "ObjLabel": "B", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO3", "ObjType": 1, "ObjLabel": "C", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO4", "ObjType": 1, "ObjLabel": "D", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO5", "ObjType": 1, "ObjLabel": "E", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO6", "ObjType": 1, "ObjLabel": "F", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO7", "ObjType": 1, "ObjLabel": "G", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHO8", "ObjType": 1, "ObjLabel": "H", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO1", "ObjType": 2, "ObjLabel": "R1", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO2", "ObjType": 2, "ObjLabel": "R2", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO3", "ObjType": 2, "ObjLabel": "R3", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO4", "ObjType": 2, "ObjLabel": "R4", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO5", "ObjType": 2, "ObjLabel": "R5", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO6", "ObjType": 2, "ObjLabel": "R6", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SRO7", "ObjType": 2, "ObjLabel": "R7", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SWO1", "ObjType": 3, "ObjLabel": "S1", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
{"ObjID": "SHub1", "ObjType": 4, "ObjLabel": "Hub1", "ObjX": 100, "ObjY": 100, "ConfigCorrect": 0},
]
# 比较网络地址是否相同
return network1 == network2
AllSimConn = [
{"ConnObjID": "conn1", "NobjS": "SHO1", "IfsS": 1, "NobjE": "SRO1", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SHO2", "IfsS": 1, "NobjE": "SRO1", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO2", "IfsS": 1, "NobjE": "SRO1", "IfsE": 4, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SWO1", "IfsS": 1, "NobjE": "SRO1", "IfsE": 3, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SHO2", "IfsS": 1, "NobjE": "SWO1", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO2", "IfsS": 2, "NobjE": "SRO4", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO2", "IfsS": 3, "NobjE": "SRO3", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO3", "IfsS": 2, "NobjE": "SRO4", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO3", "IfsS": 3, "NobjE": "SRO5", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO4", "IfsS": 4, "NobjE": "SHO5", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO4", "IfsS": 3, "NobjE": "SRO5", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO5", "IfsS": 3, "NobjE": "SHO6", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO5", "IfsS": 4, "NobjE": "SRO6", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO6", "IfsS": 3, "NobjE": "SHO3", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO6", "IfsS": 1, "NobjE": "SRO7", "IfsE": 2, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO7", "IfsS": 1, "NobjE": "SHub1", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SRO7", "IfsS": 3, "NobjE": "SHO4", "IfsE": 1, "ConfigCorrect": 0},
{"ConnObjID": "conn1", "NobjS": "SHub1", "IfsS": 2, "NobjE": "SHO4", "IfsE": 1, "ConfigCorrect": 0},
]
print(is_same_subnet("192.168.10.23", "192.12.10.21"))

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