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import math
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import sys
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import threading
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from time import sleep
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from tkinter import Tk
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from ttkbootstrap import *
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from uuid import uuid4
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import ipaddress
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from PIL import ImageTk, Image
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from dbUtil import search, execute_sql
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class SimBase():
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# todo: 组件父类
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"""
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图标类，所有组件的父类
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"""
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def __init__(self, canvas, x, y, id, config=None, label=None):
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self.ConfigCorrect = 0 if config is None else config # 是否进行配置
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self.ObjType = None # 组件类型 1->主机，2->路由器，3->交换机，4->集线器
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self.ObjLabel = ""
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self.ObjID = id
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self.ObjX = x
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self.ObjY = y
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self.canvas = canvas
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self.host_img = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/主机@2x.png").resize((40, 40)))
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self.host_img_tm = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/主机--暗色@2x.png").resize((40, 40)))
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self.router_img = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/路由器@2x.png").resize((40, 40)))
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self.router_img_tm = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/路由器--暗色@2x.png").resize((40, 40)))
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self.switch_img = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/交换机@2x.png").resize((40, 40)))
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self.switch_img_tm = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/交换机--暗色@2x.png").resize((40, 40)))
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self.hub_img = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/集线器@2x.png").resize((40, 40)))
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self.hub_img_tm = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/集线器--暗色@2x.png").resize((40, 40)))
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self.img = None
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self.img_tm = None
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self.interface = [{}, {}, {}, {}]
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self.connections = ["1", "2", "3", "4"]
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self.set_default_config()
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def bind_event(self):
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self.canvas.tag_bind(self.ObjID, "<Button-1>", self.start_drag)
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self.canvas.tag_bind(self.ObjID, "<B1-Motion>", self.drag)
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self.canvas.tag_bind(self.ObjID, "<ButtonRelease-1>", self.release)
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def set_default_name(self):
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data_frame = search(f"select objid from sim_objs where objType={self.ObjType}")
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num = data_frame.size + 1
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if isinstance(self, SimHost):
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name = "SHO%d" % num
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elif isinstance(self, SimRouter):
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name = "SRO%d" % num
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elif isinstance(self, SimSwitch):
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name = "SWI%d" % num
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else:
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name = "SHUB%d" % num
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return name
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def release(self, event):
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if self.click_x == event.x and self.click_y == event.y: # 鼠标左键单击
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self.canvas.chose_obj = self
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self.canvas.is_chose()
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else:
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self.update()
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def start_drag(self, event):
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self.canvas.tag_raise(self.ObjID) # 将 SimBase 组件置于最上层
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self.start_x = event.x
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self.start_y = event.y
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self.click_x = event.x
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self.click_y = event.y
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def drag(self, event):
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"""
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移动图标
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:param event:
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:return:
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"""
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self.canvas.delete("rectangle")
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self.canvas.chose_obj = None
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dx = event.x - self.start_x
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dy = event.y - self.start_y
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# 移动范围限制, 超出移动范围则直接返回
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if not (self.canvas.canvas_size[0] + 20 <= self.ObjX + dx <= self.canvas.canvas_size[2] - 20 and 20 + self.canvas.canvas_size[1] <= self.ObjY + dy <= self.canvas.canvas_size[3] - 20):
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return
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self.ObjX += dx
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self.ObjY += dy
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self.canvas.move(self.ObjID, dx, dy) # 移动 SimBase 组件
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self.canvas.move(self.ObjID + "text", dx, dy) # 移动 SimBase 组件
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self.start_x = event.x
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self.start_y = event.y
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for conn in self.connections:
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if isinstance(conn, AllSimConnect):
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conn.update_line()
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def create_img(self):
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"""
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创建图片
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:return:
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"""
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if self.ObjType == 1:
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self.img = self.host_img
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self.img_tm = self.host_img_tm
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elif self.ObjType == 2:
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self.img = self.router_img
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self.img_tm = self.router_img_tm
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elif self.ObjType == 3:
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self.img = self.switch_img
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self.img_tm = self.switch_img_tm
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else:
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self.img = self.hub_img
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self.img_tm = self.hub_img_tm
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self.canvas.delete("L")
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id = self.canvas.create_image(self.ObjX - 30, self.ObjY - 30,
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image=self.img if self.ConfigCorrect == 1 else self.img_tm, anchor="nw",
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tags=self.ObjID)
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self.canvas.dtag("L", "L")
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self.canvas.create_text(self.ObjX - 20, self.ObjY - 60, text=self.ObjLabel, font=("", 16, "bold"),
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fill="#9b78eb", tags=self.ObjID + "text", anchor="nw")
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self.canvas.tag_raise(id)
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self.bind_event()
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def config(self, interface):
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"""
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网络配置方法，
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:param interface: 传入配置数据
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:return:
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"""
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for key, value in interface.items():
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self.interface[key - 1] = {key: value.get() if not value.get() == "" else "NULL" for key, value in value.items()}
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self.ConfigCorrect = 1
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self.create_img()
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for conn in self.connections:
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if isinstance(conn, AllSimConnect):
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index = self.connections.index(conn) + 1
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conn.update_node_config(self, index)
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self.update()
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def set_default_config(self):
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sql = f"select * from conn_config where node_id='{self.ObjID}'"
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conn_data = search(sql)
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for index, conn in conn_data.iterrows():
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self.interface[int(conn["node_ifs"]) - 1] = {"ip": conn["ip"],
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"mac": conn["mac"],
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"conn_port": conn["conn_port"],
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"addr": conn["addr"]}
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def get_config(self):
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sql = f"select * from conn_config where node_id='{self.ObjID}'"
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conn_data = search(sql)
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return conn_data
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def save(self):
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"""
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将对象存储至mysql当中
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:return:
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"""
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sql = f"insert into sim_objs values ('{self.ObjID}', {self.ObjType}, '{self.ObjLabel}'," \
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f"{self.ObjX}, {self.ObjY}, {self.ConfigCorrect})"
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execute_sql(sql)
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def update(self):
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"""
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当坐标发生改变时修改数据库数据
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:return:
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"""
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self.canvas.delete(self.ObjID + "text")
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self.canvas.create_text(self.ObjX - 20, self.ObjY - 60, text=self.ObjLabel, font=("", 16, "bold"),
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fill="#7030a0", tags=self.ObjID + "text", anchor="nw")
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sql = f"update sim_objs set objLabel='{self.ObjLabel}', ObjX={self.ObjX}," \
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f"ObjY={self.ObjY}, ConfigCorrect={self.ConfigCorrect} where ObjID='{self.ObjID}'"
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execute_sql(sql)
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def transfer_animate(self, status, packet, error_message=None):
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if status:
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text = f"目的IP: {str(packet.destination_ip)}\n" \
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f"目的MAC: {packet.destination_mac}\n" \
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f"消息内容: {packet.message}"
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self.canvas.create_rectangle(self.ObjX + 30, self.ObjY - 30, self.ObjX + 160, self.ObjY + 20, outline="#92d050",
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width=3, fill="#92d050", tags=self.ObjID + "packetData")
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self.canvas.create_text(self.ObjX + 35, self.ObjY - 25, text=text, anchor="nw",
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font=('', 10), tags=self.ObjID + "packetData") # 显示文字
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self.canvas.update()
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sleep(2)
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self.canvas.delete(self.ObjID + "packetData") # 删除展示的数据包内容
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else:
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text = f"传输失败\n" if error_message is None else error_message
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self.canvas.create_rectangle(self.ObjX + 30, self.ObjY - 30, self.ObjX + 160, self.ObjY, outline="red",
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width=3, fill="red", tags=self.ObjID + "packetData")
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self.canvas.create_text(self.ObjX + 35, self.ObjY - 25, text=text, anchor="nw",
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font=('', 10), tags=self.ObjID + "packetData") # 显示文字
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self.canvas.update()
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sleep(2)
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self.canvas.delete(self.ObjID + "packetData") # 删除展示的数据包内容
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def __str__(self):
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str = ""
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config = self.get_config()
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for index, data in config.iterrows():
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str += f"【接口{data['node_ifs']}】\n"
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str += f"IP: {data['ip']}\n"
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str += f"MAC: {data['mac']}\n"
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return str
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class SimPacket():
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# todo: 数据包类
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"""
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数据包类
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"""
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def __init__(self, source_ip, source_mac, destination_ip, destination_mac, message, ping=False):
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"""
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:param source_mac: 源主机mac地址
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:param source_ip: 源主机ip地址
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:param destination_mac: 目的主机mac地址
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:param destination_ip: 目的主机ip地址
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:param message: 数据
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"""
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self.source_mac = source_mac
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self.source_ip = source_ip
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self.destination_mac = destination_mac
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self.destination_ip = destination_ip
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self.message = message
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self.up_jump = None # 上一跳连接对象
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self.ping = ping
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self.flag = False
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self.img = ImageTk.PhotoImage(
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Image.open(sys.path[0] + "/../datas/images/packet.png").resize((30, 30)))
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self.id = str(uuid4())
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def move(self, cv, target_x, target_y, duration):
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start_x, start_y = cv.coords(self.id)
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distance_x = target_x - start_x
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distance_y = target_y - start_y
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steps = duration // 10 # 以10毫秒为间隔进行移动
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step_x = distance_x / steps
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step_y = distance_y / steps
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self._move_step(cv, start_x, start_y, target_x, target_y, step_x, step_y, steps)
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def _move_step(self, cv, start_x, start_y, target_x, target_y, step_x, step_y, steps):
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if steps > 0:
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new_x = start_x + step_x
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new_y = start_y + step_y
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cv.coords(self.id, new_x, new_y)
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cv.update() # 更新画布显示
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sleep(0.01) # 添加延迟以控制动画速度
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self._move_step(cv, new_x, new_y, target_x, target_y, step_x, step_y, steps - 1)
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else:
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cv.coords(self.id, target_x, target_y)
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cv.delete(self.id)
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def transfer_packet(self, cv: Canvas, nodex_tag: SimBase, nodey_tag: SimBase):
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if self.ping:
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return
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cv.create_image(nodex_tag.ObjX - 15, nodex_tag.ObjY - 15, image=self.img, anchor="nw", tags=self.id)
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self.move(cv, nodey_tag.ObjX - 15, nodey_tag.ObjY - 15, 500)
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class AllSimConnect():
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# todo: 连接类
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def __init__(self, canvas, nodex: SimBase, nodex_ifs, nodey: SimBase, nodey_ifs, config=None):
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"""
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连接对象
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:param nodex: 节点
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:param nodex_ifs: 节点接口
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:param nodey: 节点
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:param nodey_ifs: 节点接口
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"""
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self.canvas = canvas
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self.ConfigCorrect = 0 if config is None else config
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self.NobjS = nodex
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self.NobjE = nodey
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self.IfsS = nodex_ifs
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self.IfsE = nodey_ifs
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self.width = False if self.ConfigCorrect == 0 else True # 线的粗细
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def is_connected_to(self, other):
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"""
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判断两个连接对象是否已经连接
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:param other: 另一个连接对象
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:return: 如果已连接，则返回True；否则返回False
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"""
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return (
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self.NobjS.ObjID == other.NobjS.ObjID
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and self.NobjE.ObjID == other.NobjE.ObjID
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)
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def update_node_config(self, node, ifs):
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"""
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当节点进行网络配置后将节点的接口配置保存
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:return:
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"""
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try:
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nodex_update_sql = f"""
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update conn_config set
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ip='{node.interface[ifs - 1]["ip"]}',
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mac='{node.interface[ifs - 1]["mac"]}'
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"""
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if not node.interface[ifs - 1]["conn_port"] == "NULL":
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nodex_update_sql += f"""
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,conn_port='{int(node.interface[ifs - 1]["conn_port"])}'
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"""
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if not node.interface[ifs - 1]["addr"] == "NULL":
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nodex_update_sql += f"""
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,addr='{node.interface[ifs - 1]["addr"]}'
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"""
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nodex_update_sql += f"""
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where node_id='{node.ObjID}' and node_ifs={ifs}
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"""
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execute_sql(nodex_update_sql)
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self.ConfigCorrect = 1
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self.check_config()
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update_sql = f"""
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update sim_conn set ConfigCorrect={self.ConfigCorrect}
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where conn_id in (
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select distinct conn_id from conn_config where node_id='{node.ObjID}'
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)
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"""
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execute_sql(update_sql)
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except Exception as E:
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print(E)
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self.canvas.message.show_message(f"{E}")
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def check_config(self):
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"""
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检查两边节点的配置是否正确
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:return:
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"""
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if self.NobjS.interface[self.IfsS - 1]["mac"] != "" and self.NobjS.interface[self.IfsS - 1][
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"ip"] != "" \
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and self.NobjE.interface[self.IfsE - 1]["mac"] != "" and self.NobjE.interface[self.IfsE - 1][
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"ip"] != "":
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self.width = 4
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self.draw_line()
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else:
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self.width = 1
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self.draw_line()
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def transfer(self, source_node, packet: SimPacket):
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"""
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传输数据
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:param packet: 数据包
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:return:
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"""
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if source_node == self.NobjS:
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if not packet.ping:
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packet.transfer_packet(self.canvas, self.NobjS, self.NobjE)
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self.NobjE.receive(packet)
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else:
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packet.transfer_packet(self.canvas, self.NobjE, self.NobjS)
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self.NobjS.receive(packet)
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def draw_line(self):
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if self.width:
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line = self.canvas.create_line(self.NobjS.ObjX, self.NobjS.ObjY, self.NobjE.ObjX, self.NobjE.ObjY,
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width=2, fill="#c372f0", tags=self.NobjS.ObjID + self.NobjE.ObjID + "line")
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else:
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line = self.canvas.create_line(self.NobjS.ObjX, self.NobjS.ObjY, self.NobjE.ObjX, self.NobjE.ObjY,
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width=2, dash=(250, 4), fill="#c372f0", tags=self.NobjS.ObjID + self.NobjE.ObjID + "line")
|
|
|
self.canvas.tag_lower(line, 2)
|
|
|
self.analyseIFS(self.NobjS.ObjX, self.NobjS.ObjY, self.NobjS.ObjLabel, self.IfsS,
|
|
|
self.NobjE.ObjX, self.NobjE.ObjY, self.NobjE.ObjLabel, self.IfsE)
|
|
|
|
|
|
def update_line(self):
|
|
|
"""
|
|
|
当组件移动时重新绘制线
|
|
|
:return:
|
|
|
"""
|
|
|
self.canvas.delete(self.NobjS.ObjID + self.NobjE.ObjID + "line")
|
|
|
self.canvas.delete(self.NobjS.ObjID + self.NobjE.ObjID)
|
|
|
self.draw_line()
|
|
|
|
|
|
def update_info(self, obj_id):
|
|
|
"""
|
|
|
修改数据库中的连接信息
|
|
|
:return:
|
|
|
"""
|
|
|
update_sql = f"""
|
|
|
update sim_conn set conn_id='{self.NobjS.ObjLabel}-{self.NobjE.ObjLabel}', ConfigCorrect={self.ConfigCorrect}
|
|
|
where conn_id in (
|
|
|
select distinct conn_id from conn_config where node_id='{obj_id}'
|
|
|
)
|
|
|
"""
|
|
|
execute_sql(update_sql)
|
|
|
|
|
|
def analyseIFS(self, SX, SY, SLabel, IfsS, EX, EY, ELabel, IfsE): # NobjS的x,y;NobjE的x,y; #分析接口在哪个位置，再显示
|
|
|
'''
|
|
|
:param SX: S对象的x坐标
|
|
|
:param SY: S对象的y坐标
|
|
|
:param SLabel: S对象的标签
|
|
|
:param IfsS: S对象要显示的接口号
|
|
|
'''
|
|
|
offset = 15
|
|
|
if (EX - SX) == 0: # 即垂直的时候,NobjS在NobjE对象的正上方和正下方，x坐标无变化，只需要y变化
|
|
|
R = 18
|
|
|
x = 0 # x无偏移量
|
|
|
y = R
|
|
|
else:
|
|
|
k = (EY - SY) / (EX - SX) # ey-sy/sx-ex
|
|
|
reat = math.atan(k) # 根据斜率计算弧度
|
|
|
# 连线与图标交接点坐标
|
|
|
R = 18
|
|
|
x = abs(math.cos(reat) * R) + 6 # python math中三角函数中的数值是弧度，而计算器中的数值是角度
|
|
|
y = abs(math.sin(reat) * R) + 6
|
|
|
if SX <= EX and SY <= EY: # NobjS在NobjE的左上角，NobjS的右下角连接NobjE的左上角
|
|
|
x_S = SX + x
|
|
|
y_S = SY + y # NobjS的连接点坐标
|
|
|
x_E = EX - x
|
|
|
y_E = EY - y # NobjE的连接点坐标
|
|
|
# 显示S接口号
|
|
|
self.canvas.create_text((x_S + offset, y_S - offset), text=IfsS, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
# 显示E接口号
|
|
|
self.canvas.create_text(x_E - offset, y_E - offset, text=IfsE, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
elif SX < EX and SY > EY: # NobjS在NobjE的左下角，NobjS的右上角连接NobjE的左下角
|
|
|
x_S = SX + x
|
|
|
y_S = SY - y # NobjS的连接点坐标
|
|
|
x_E = EX - x
|
|
|
y_E = EY + y # NobjE的连接点坐标
|
|
|
# 显示S接口号
|
|
|
self.canvas.create_text(x_S + offset, y_S - offset, text=IfsS, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
# 显示E接口号
|
|
|
self.canvas.create_text(x_E - offset, y_E, text=IfsE, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
elif SX > EX and SY < EY: # NobjS在NobjE的右上角，NobjS的左下角连接NobjE的右上角
|
|
|
x_S = SX - x
|
|
|
y_S = SY + y # NobjS的连接点坐标
|
|
|
x_E = EX + x
|
|
|
y_E = EY - y # NobjE的连接点坐标
|
|
|
# 显示S接口号
|
|
|
self.canvas.create_text(x_S - offset, y_S, text=IfsS, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
# 显示E接口号
|
|
|
self.canvas.create_text(x_E + offset, y_E, text=IfsE, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
elif SX >= EX and SY >= EY: # NobjS在NobjE的右下角，NobjS的左上角连接NobjE的右下角
|
|
|
x_S = SX - x
|
|
|
y_S = SY - y # NobjS的连接点坐标
|
|
|
x_E = EX + x
|
|
|
y_E = EY + y # NobjE的连接点坐标
|
|
|
# 显示S接口号
|
|
|
self.canvas.create_text(x_S - offset, y_S - offset, text=IfsS, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
# 显示E接口号
|
|
|
self.canvas.create_text(x_E + offset, y_E - offset, text=IfsE, anchor="nw", font=("幼圆", 16, "bold"), fill="#5fa6d6",
|
|
|
tag=self.NobjS.ObjID + self.NobjE.ObjID) # 显示文字
|
|
|
|
|
|
def save(self):
|
|
|
"""
|
|
|
将连接对象保存至数据库
|
|
|
:return:
|
|
|
"""
|
|
|
conn_id = self.NobjS.ObjLabel + "-" + self.NobjE.ObjLabel
|
|
|
sql = f"insert into sim_conn values ('{conn_id}', {self.ConfigCorrect})"
|
|
|
execute_sql(sql)
|
|
|
execute_sql(
|
|
|
f"insert into conn_config values ('{conn_id}', '{self.NobjS.ObjID}', {self.IfsS}, '', '', '', '')")
|
|
|
execute_sql(
|
|
|
f"insert into conn_config values ('{conn_id}', '{self.NobjE.ObjID}', {self.IfsE}, '', '', '', '')")
|
|
|
|
|
|
def delete_line(self):
|
|
|
self.canvas.delete(self.NobjS.ObjID + self.NobjE.ObjID)
|
|
|
self.canvas.delete(self.NobjS.ObjID + self.NobjE.ObjID + "line")
|
|
|
|
|
|
def __eq__(self, other):
|
|
|
"""
|
|
|
重写equals方法，判断两个连接对象是否相同
|
|
|
:param other: 连接对象
|
|
|
:return: Boolean
|
|
|
"""
|
|
|
if isinstance(other, AllSimConnect):
|
|
|
other_ids = other.NobjS.ObjID + other.NobjE.ObjID
|
|
|
return (self.NobjS.ObjID in other_ids
|
|
|
and self.NobjE.ObjID in other_ids)
|
|
|
return False
|
|
|
|
|
|
|
|
|
class SimHost(SimBase):
|
|
|
# todo: 主机类
|
|
|
"""
|
|
|
主机类
|
|
|
"""
|
|
|
def __init__(self, canvas, x, y, id=None, config=None, label=None):
|
|
|
self.ObjID = str(uuid4()) if id is None else id
|
|
|
super().__init__(canvas, x, y, self.ObjID, config, label)
|
|
|
self.ObjType = 1
|
|
|
self.ObjLabel = label if label is not None else self.set_default_name()
|
|
|
self.interface = [{}]
|
|
|
self.connections = [None]
|
|
|
self.set_default_config()
|
|
|
|
|
|
|
|
|
def create_packet(self, ip, mac, message, ping=False):
|
|
|
"""
|
|
|
创建数据包
|
|
|
:param ip: 目的主机ip
|
|
|
:param mac: 目的主机mac
|
|
|
:param message: 消息
|
|
|
:return:
|
|
|
"""
|
|
|
if ping:
|
|
|
packet = SimPacket(self.interface[0]["ip"], self.interface[0]["mac"], ip, mac, message, True)
|
|
|
else:
|
|
|
packet = SimPacket(self.interface[0]["ip"], self.interface[0]["mac"], ip, mac, message)
|
|
|
print(f"创建数据包成功,数据包由{packet.source_ip} 发往 {packet.destination_ip}")
|
|
|
self.send(packet)
|
|
|
|
|
|
def send(self, packet):
|
|
|
"""
|
|
|
发送数据包
|
|
|
:param packet:
|
|
|
:return:
|
|
|
"""
|
|
|
connection: AllSimConnect = self.connections[0]
|
|
|
print(f"数据包从 {self.ObjLabel} 发出")
|
|
|
packet.up_jump = connection
|
|
|
connection.transfer(self, packet)
|
|
|
|
|
|
def receive(self, packet: SimPacket):
|
|
|
"""
|
|
|
接收数据
|
|
|
:param packet: 数据包
|
|
|
:return:
|
|
|
"""
|
|
|
print(f"主机{self.ObjLabel}接受到数据{packet.message}")
|
|
|
if packet.destination_ip == self.interface[0]["ip"]:
|
|
|
if not packet.ping:
|
|
|
self.transfer_animate(True, packet)
|
|
|
else:
|
|
|
self.canvas.receive = self
|
|
|
else:
|
|
|
self.transfer_animate(False, packet)
|
|
|
|
|
|
def __str__(self):
|
|
|
str = ""
|
|
|
config = self.get_config()
|
|
|
for index, data in config.iterrows():
|
|
|
str += f"【接口{data['node_ifs']}】\n"
|
|
|
str += f"AppAddr: /Root\n"
|
|
|
str += f"PORT: {data['conn_port']}\n"
|
|
|
str += f"IP: {data['ip']}\n"
|
|
|
str += f"MAC: {data['mac']}\n"
|
|
|
return str
|
|
|
|
|
|
|
|
|
class SimRouter(SimBase):
|
|
|
# todo: 路由类
|
|
|
"""
|
|
|
路由类
|
|
|
"""
|
|
|
def __init__(self, canvas, x, y, id=None, config=None, label=None, *args):
|
|
|
self.ObjID = str(uuid4()) if id is None else id
|
|
|
super().__init__(canvas, x, y, self.ObjID, config, label)
|
|
|
self.ObjType = 2
|
|
|
self.ObjLabel = label if label is not None else self.set_default_name()
|
|
|
self.router_table = {}
|
|
|
self.set_default_router_table()
|
|
|
|
|
|
def set_default_router_table(self):
|
|
|
"""
|
|
|
将数据库中的路由表信息提取
|
|
|
:return:
|
|
|
"""
|
|
|
sql = f"select * from router_table where obj_id='{self.ObjID}'"
|
|
|
router_tables = search(sql)
|
|
|
for index, router_table in router_tables.iterrows():
|
|
|
if router_table["node_ifs"] in self.router_table:
|
|
|
self.router_table[router_table["node_ifs"]].append(router_table["segment"])
|
|
|
else:
|
|
|
self.router_table[router_table["node_ifs"]] = [router_table["segment"]]
|
|
|
|
|
|
def check_destination_ip(self, destination_ip, network):
|
|
|
"""
|
|
|
检查目标ip是否属于网段范围内
|
|
|
:param destination_ip: 目标ip
|
|
|
:param network: 网段
|
|
|
:return:10.2.3.0/24
|
|
|
"""
|
|
|
ip = ipaddress.ip_address(destination_ip)
|
|
|
network = ipaddress.ip_network(network)
|
|
|
if ip in network:
|
|
|
return True
|
|
|
if network == "0.0.0.0/24": # 如果网段为 0.0.0.0/24 则为默认路由
|
|
|
return True
|
|
|
|
|
|
def transmit(self, packet: SimPacket):
|
|
|
"""
|
|
|
转发数据包
|
|
|
:return:
|
|
|
"""
|
|
|
flag = False
|
|
|
next_hop_ifs = None
|
|
|
for conn in self.connections:
|
|
|
if isinstance(conn, AllSimConnect):
|
|
|
if conn.ConfigCorrect == 0:
|
|
|
continue
|
|
|
if conn == packet.up_jump:
|
|
|
continue
|
|
|
ifs = self.connections.index(conn) + 1
|
|
|
if self.router_table.get(ifs) is None:
|
|
|
continue
|
|
|
for network in self.router_table.get(ifs):
|
|
|
if self.check_destination_ip(packet.destination_ip, network):
|
|
|
flag = True
|
|
|
next_hop_ifs = ifs
|
|
|
if flag:
|
|
|
conn = self.connections[next_hop_ifs - 1]
|
|
|
packet.up_jump = conn
|
|
|
conn.transfer(self, packet)
|
|
|
else:
|
|
|
for conn in self.connections:
|
|
|
if isinstance(conn, AllSimConnect):
|
|
|
if conn == packet.up_jump:
|
|
|
continue
|
|
|
if conn.NobjS != self:
|
|
|
if conn.NobjE.ObjType == 1:
|
|
|
conn.transfer(self, packet)
|
|
|
break
|
|
|
error_message = "路由寻址失败"
|
|
|
if packet.ping:
|
|
|
self.canvas.check_error_obj = self
|
|
|
return
|
|
|
self.transfer_animate(False, packet, error_message)
|
|
|
|
|
|
def receive(self, packet):
|
|
|
"""
|
|
|
接收数据
|
|
|
:param packet: 数据包
|
|
|
:return:
|
|
|
"""
|
|
|
print(f"{self.ObjLabel}-路由器接受到数据{packet.message}")
|
|
|
self.transmit(packet)
|
|
|
|
|
|
def add_config(self, router, router_ifs):
|
|
|
sql = f"insert into router_table values ('{self.ObjID}', {router_ifs}, '{router}')"
|
|
|
execute_sql(sql)
|
|
|
|
|
|
def delete_config(self, ifs, network):
|
|
|
sql = f"delete from router_table where obj_id='{self.ObjID}' and node_ifs={ifs} and segment='{network}'"
|
|
|
execute_sql(sql)
|
|
|
|
|
|
def get_table_config(self):
|
|
|
"""
|
|
|
返回对象的路由表配置信息,用于展示
|
|
|
:return:
|
|
|
"""
|
|
|
str = ""
|
|
|
sql = f"select * from router_table where obj_id='{self.ObjID}'"
|
|
|
router_tables = search(sql)
|
|
|
for index, router in router_tables.iterrows():
|
|
|
str += f"网段号: {router['segment']}\n"
|
|
|
str += f"接口号: {router['node_ifs']}\n"
|
|
|
return str
|
|
|
|
|
|
|
|
|
class SimSwitch(SimBase):
|
|
|
# todo: 交换机类
|
|
|
"""
|
|
|
交换机类
|
|
|
"""
|
|
|
def __init__(self, canvas, x, y, id=None, config=None, label=None, *args):
|
|
|
self.ObjID = str(uuid4()) if id is None else id
|
|
|
super().__init__(canvas, x, y, self.ObjID, config, label)
|
|
|
self.ObjType = 3
|
|
|
self.ObjLabel = label if label is not None else self.set_default_name()
|
|
|
self.mac_table = {}
|
|
|
self.set_default_mac_table()
|
|
|
|
|
|
def set_default_mac_table(self):
|
|
|
"""
|
|
|
将数据库中的路由表信息提取
|
|
|
:return:
|
|
|
"""
|
|
|
sql = f"select * from mac_table where obj_id='{self.ObjID}'"
|
|
|
router_tables = search(sql)
|
|
|
for index, router_table in router_tables.iterrows():
|
|
|
if router_table["node_ifs"] in self.mac_table:
|
|
|
self.mac_table[router_table["node_ifs"]].append(router_table["mac"])
|
|
|
else:
|
|
|
self.mac_table[router_table["node_ifs"]] = [router_table["mac"]]
|
|
|
|
|
|
def add_config(self, router, router_ifs):
|
|
|
sql = f"insert into mac_table values ('{self.ObjID}', {router_ifs}, '{router}')"
|
|
|
execute_sql(sql)
|
|
|
|
|
|
def delete_config(self, ifs, mac):
|
|
|
sql = f"delete from mac_table where obj_id='{self.ObjID}' and node_ifs={ifs} and mac='{mac}'"
|
|
|
execute_sql(sql)
|
|
|
|
|
|
def get_table_config(self):
|
|
|
"""
|
|
|
返回对象的交换表配置信息,用于展示
|
|
|
:return:
|
|
|
"""
|
|
|
str = ""
|
|
|
sql = f"select * from mac_table where obj_id='{self.ObjID}'"
|
|
|
router_tables = search(sql)
|
|
|
for index, router in router_tables.iterrows():
|
|
|
str += f"网段号: {router['mac']}\n"
|
|
|
str += f"接口号: {router['node_ifs']}\n"
|
|
|
return str
|
|
|
|
|
|
def transmit(self, packet: SimPacket):
|
|
|
"""
|
|
|
转发数据包
|
|
|
:return:
|
|
|
"""
|
|
|
flag = False
|
|
|
next_hub_ifs = None
|
|
|
for conn in self.connections:
|
|
|
if isinstance(conn, AllSimConnect):
|
|
|
if conn.ConfigCorrect == 0:
|
|
|
continue
|
|
|
ifs = self.connections.index(conn) + 1
|
|
|
if packet.destination_mac in self.mac_table.get(ifs, []):
|
|
|
flag = True
|
|
|
next_hub_ifs = ifs
|
|
|
if flag:
|
|
|
conn = self.connections[next_hub_ifs - 1]
|
|
|
packet.up_jump = conn
|
|
|
conn.transfer(self, packet)
|
|
|
return
|
|
|
for conn in self.connections: # 将数据包往所有接口进行转发
|
|
|
if isinstance(conn, AllSimConnect):
|
|
|
if conn == packet.up_jump:
|
|
|
continue
|
|
|
if conn.ConfigCorrect == 0:
|
|
|
continue
|
|
|
new_packet = SimPacket(packet.source_ip,
|
|
|
packet.source_mac,
|
|
|
packet.destination_ip,
|
|
|
packet.destination_mac,
|
|
|
packet.message)
|
|
|
new_packet.up_jump = conn
|
|
|
threading.Thread(target=conn.transfer, args=(self, new_packet)).start()
|
|
|
|
|
|
def receive(self, packet: SimPacket):
|
|
|
"""
|
|
|
接收数据
|
|
|
:param packet: 数据包
|
|
|
:return:
|
|
|
"""
|
|
|
print(f"交换机{self.ObjLabel}接受到数据{packet.message}")
|
|
|
self.transmit(packet)
|
|
|
|
|
|
|
|
|
class SimHub(SimBase):
|
|
|
"""
|
|
|
集线器类
|
|
|
"""
|
|
|
def __init__(self, canvas, x, y, id=None, config=None, label=None, *args):
|
|
|
self.ObjID = str(uuid4()) if id is None else id
|
|
|
super().__init__(canvas, x, y, self.ObjID, config, label)
|
|
|
self.ObjType = 4
|
|
|
self.ObjLabel = label if label is not None else self.set_default_name()
|
|
|
|
|
|
def transmit(self, packet: SimPacket):
|
|
|
"""
|
|
|
集线器转发数据包
|
|
|
:return:
|
|
|
"""
|
|
|
for conn in self.connections: # 将数据包往所有接口进行转发
|
|
|
if isinstance(conn, AllSimConnect):
|
|
|
if conn == packet.up_jump:
|
|
|
continue
|
|
|
if conn.ConfigCorrect == 0:
|
|
|
continue
|
|
|
new_packet = SimPacket(packet.source_ip,
|
|
|
packet.source_mac,
|
|
|
packet.destination_ip,
|
|
|
packet.destination_mac,
|
|
|
packet.message)
|
|
|
new_packet.up_jump = conn
|
|
|
threading.Thread(target=conn.transfer, args=(self, new_packet)).start()
|
|
|
|
|
|
def receive(self, packet: SimPacket):
|
|
|
"""
|
|
|
接收数据
|
|
|
:param packet: 数据包
|
|
|
:return:
|
|
|
"""
|
|
|
print(f"集线器-{self.ObjLabel}接受到数据，将进行转发！")
|
|
|
self.transmit(packet)
|
