From 9d540c77b76f4a44ebe5ce4301921c0afe15cab4 Mon Sep 17 00:00:00 2001 From: Jerryplusy Date: Wed, 8 Oct 2025 01:15:33 +0800 Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E5=BE=85=E9=87=8D=E6=9E=84?= =?UTF-8?q?=E6=96=87=E4=BB=B6?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .idea/AI-powered-switches.iml | 3 +- src/backend/app/__init__.py | 5 - src/backend/app/api/database.py | 16 -- src/backend/app/api/endpoints.py | 240 +----------------- src/backend/app/models/traffic_models.py | 51 ---- .../app/services/switch_traffic_monitor.py | 182 ------------- src/backend/app/services/test.py | 9 - src/backend/app/services/traffic_monitor.py | 145 ----------- 8 files changed, 3 insertions(+), 648 deletions(-) delete mode 100644 src/backend/app/api/database.py delete mode 100644 src/backend/app/models/traffic_models.py delete mode 100644 src/backend/app/services/switch_traffic_monitor.py delete mode 100644 src/backend/app/services/test.py delete mode 100644 src/backend/app/services/traffic_monitor.py diff --git a/.idea/AI-powered-switches.iml b/.idea/AI-powered-switches.iml index 13f6ddc..c9d5586 100644 --- a/.idea/AI-powered-switches.iml +++ b/.idea/AI-powered-switches.iml @@ -2,7 +2,7 @@ - + @@ -11,5 +11,6 @@ + \ No newline at end of file diff --git a/src/backend/app/__init__.py b/src/backend/app/__init__.py index 94e30b8..030a5b1 100644 --- a/src/backend/app/__init__.py +++ b/src/backend/app/__init__.py @@ -4,13 +4,8 @@ from starlette.middleware import Middleware # 新增导入 from src.backend.app.api.endpoints import router from src.backend.app.utils.logger import setup_logging from src.backend.config import settings -from .services.switch_traffic_monitor import get_switch_monitor -from .services.traffic_monitor import traffic_monitor -from src.backend.app.api.database import init_db def create_app() -> FastAPI: - init_db() - traffic_monitor.start_monitoring() setup_logging() app = FastAPI( diff --git a/src/backend/app/api/database.py b/src/backend/app/api/database.py deleted file mode 100644 index 80d2533..0000000 --- a/src/backend/app/api/database.py +++ /dev/null @@ -1,16 +0,0 @@ -from sqlalchemy import create_engine -from sqlalchemy.ext.declarative import declarative_base -from sqlalchemy.orm import sessionmaker - -SQLALCHEMY_DATABASE_URL = "sqlite:///./traffic_monitor.db" - -engine = create_engine( - SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False} -) -SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) - -Base = declarative_base() - -def init_db(): - """初始化数据库""" - Base.metadata.create_all(bind=engine) diff --git a/src/backend/app/api/endpoints.py b/src/backend/app/api/endpoints.py index 697e687..14ec956 100644 --- a/src/backend/app/api/endpoints.py +++ b/src/backend/app/api/endpoints.py @@ -1,26 +1,16 @@ import socket -from datetime import datetime, timedelta -from fastapi import (APIRouter, HTTPException, Response, WebSocket, WebSocketDisconnect) +from fastapi import (APIRouter, HTTPException, Response) from typing import List from pydantic import BaseModel import asyncio -from fastapi.responses import HTMLResponse, JSONResponse -import matplotlib.pyplot as plt -import io -import base64 import psutil import ipaddress from ..models.requests import CLICommandRequest, ConfigRequest -from ..services.switch_traffic_monitor import get_switch_monitor -from ..utils import logger from ...app.services.ai_services import AIService from ...app.api.network_config import SwitchConfigurator from ...config import settings from ..services.network_scanner import NetworkScanner -from ...app.services.traffic_monitor import traffic_monitor -from ...app.models.traffic_models import TrafficRecord, SwitchTrafficRecord -from src.backend.app.api.database import SessionLocal router = APIRouter(prefix="", tags=["API"]) scanner = NetworkScanner() @@ -151,234 +141,6 @@ async def execute_cli_commands(request: CLICommandRequest): except Exception as e: raise HTTPException(500, detail=str(e)) - -@router.get("/traffic/interfaces", summary="获取所有网络接口") -async def get_network_interfaces(): - return { - "interfaces": await asyncio.to_thread(traffic_monitor.get_interfaces) - } - - -@router.get("/traffic/current", summary="获取当前流量数据") -async def get_current_traffic(interface: str = None): - return await asyncio.to_thread(traffic_monitor.get_current_traffic, interface) - - -@router.get("/traffic/history", summary="获取流量历史数据") -async def get_traffic_history(interface: str = None, limit: int = 100): - history = await asyncio.to_thread(traffic_monitor.get_traffic_history, interface) - return { - "sent": history["sent"][-limit:], - "recv": history["recv"][-limit:], - "time": [t.isoformat() for t in history["time"]][-limit:] - } - - -@router.get("/traffic/records", summary="获取流量记录") -async def get_traffic_records(interface: str = None, limit: int = 100): - def sync_get_records(): - with SessionLocal() as session: - query = session.query(TrafficRecord) - if interface: - query = query.filter(TrafficRecord.interface == interface) - records = query.order_by(TrafficRecord.timestamp.desc()).limit(limit).all() - return [record.to_dict() for record in records] - - return await asyncio.to_thread(sync_get_records) - - -@router.websocket("/ws/traffic") -async def websocket_traffic(websocket: WebSocket): - await websocket.accept() - try: - while True: - traffic_data = await asyncio.to_thread(traffic_monitor.get_current_traffic) - await websocket.send_json(traffic_data) - await asyncio.sleep(1) - except WebSocketDisconnect: - print("客户端断开连接") - - -@router.get("/traffic/switch/interfaces", summary="获取交换机的网络接口") -async def get_switch_interfaces(switch_ip: str): - try: - monitor = get_switch_monitor(switch_ip) - interfaces = list(monitor.interface_oids.keys()) - return { - "switch_ip": switch_ip, - "interfaces": interfaces - } - except Exception as e: - logger.error(f"获取交换机接口失败: {str(e)}") - raise HTTPException(500, f"获取接口失败: {str(e)}") - - -async def get_interface_current_traffic(switch_ip: str, interface: str) -> dict: - """获取指定交换机接口的当前流量数据""" - try: - def sync_get_record(): - with SessionLocal() as session: - record = session.query(SwitchTrafficRecord).filter( - SwitchTrafficRecord.switch_ip == switch_ip, - SwitchTrafficRecord.interface == interface - ).order_by(SwitchTrafficRecord.timestamp.desc()).first() - - if not record: - return { - "switch_ip": switch_ip, - "interface": interface, - "rate_in": 0.0, - "rate_out": 0.0, - "bytes_in": 0, - "bytes_out": 0 - } - - return { - "switch_ip": switch_ip, - "interface": interface, - "rate_in": record.rate_in, - "rate_out": record.rate_out, - "bytes_in": record.bytes_in, - "bytes_out": record.bytes_out - } - - return await asyncio.to_thread(sync_get_record) - except Exception as e: - logger.error(f"获取接口流量失败: {str(e)}") - raise HTTPException(500, f"获取接口流量失败: {str(e)}") - - -@router.get("/traffic/switch/current", summary="获取交换机的当前流量数据") -async def get_switch_current_traffic(switch_ip: str, interface: str = None): - try: - monitor = get_switch_monitor(switch_ip) - if not interface: - traffic_data = {} - for iface in monitor.interface_oids: - traffic_data[iface] = await get_interface_current_traffic(switch_ip, iface) - return { - "switch_ip": switch_ip, - "traffic": traffic_data - } - return await get_interface_current_traffic(switch_ip, interface) - except Exception as e: - logger.error(f"获取交换机流量失败: {str(e)}") - raise HTTPException(500, f"获取流量失败: {str(e)}") - - -@router.get("/traffic/switch/history", summary="获取交换机的流量历史数据") -async def get_switch_traffic_history(switch_ip: str, interface: str = None, minutes: int = 10): - try: - monitor = get_switch_monitor(switch_ip) - if not interface: - return { - "switch_ip": switch_ip, - "history": await asyncio.to_thread(monitor.get_traffic_history) - } - - def sync_get_history(): - with SessionLocal() as session: - time_threshold = datetime.now() - timedelta(minutes=minutes) - records = session.query(SwitchTrafficRecord).filter( - SwitchTrafficRecord.switch_ip == switch_ip, - SwitchTrafficRecord.interface == interface, - SwitchTrafficRecord.timestamp >= time_threshold - ).order_by(SwitchTrafficRecord.timestamp.asc()).all() - - history_data = { - "in": [record.rate_in for record in records], - "out": [record.rate_out for record in records], - "time": [record.timestamp.isoformat() for record in records] - } - return history_data - - history_data = await asyncio.to_thread(sync_get_history) - return { - "switch_ip": switch_ip, - "interface": interface, - "history": history_data - } - except Exception as e: - logger.error(f"获取历史流量失败: {str(e)}") - raise HTTPException(500, f"获取历史流量失败: {str(e)}") - - -@router.websocket("/ws/traffic/switch") -async def websocket_switch_traffic(websocket: WebSocket, switch_ip: str, interface: str = None): - await websocket.accept() - try: - monitor = get_switch_monitor(switch_ip) - while True: - if interface: - traffic_data = await get_interface_current_traffic(switch_ip, interface) - await websocket.send_json(traffic_data) - else: - traffic_data = {} - for iface in monitor.interface_oids: - traffic_data[iface] = await get_interface_current_traffic(switch_ip, iface) - await websocket.send_json({ - "switch_ip": switch_ip, - "traffic": traffic_data - }) - await asyncio.sleep(1) - except WebSocketDisconnect: - logger.info(f"客户端断开交换机流量连接: {switch_ip}") - except Exception as e: - logger.error(f"交换机流量WebSocket错误: {str(e)}") - await websocket.close(code=1011, reason=str(e)) - - -@router.get("/traffic/switch/plot", response_class=HTMLResponse, summary="交换机流量可视化") -async def plot_switch_traffic(switch_ip: str, interface: str, minutes: int = 10): - try: - history = await get_switch_traffic_history(switch_ip, interface, minutes) - history_data = history["history"] - time_points = [datetime.fromisoformat(t) for t in history_data["time"]] - in_rates = history_data["in"] - out_rates = history_data["out"] - - def generate_plot(): - plt.figure(figsize=(12, 6)) - plt.plot(time_points, in_rates, label="流入流量 (B/s)") - plt.plot(time_points, out_rates, label="流出流量 (B/s)") - plt.title(f"交换机 {switch_ip} 接口 {interface} 流量监控 - 最近 {minutes} 分钟") - plt.xlabel("时间") - plt.ylabel("流量 (字节/秒)") - plt.legend() - plt.grid(True) - plt.xticks(rotation=45) - plt.tight_layout() - buf = io.BytesIO() - plt.savefig(buf, format="png") - buf.seek(0) - image_base64 = base64.b64encode(buf.read()).decode("utf-8") - plt.close() - return image_base64 - - image_base64 = await asyncio.to_thread(generate_plot) - return f""" - - - 交换机流量监控 - - - -
-

交换机 {switch_ip} 接口 {interface} 流量监控

- 流量图表 -

更新时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}

-
- - - """ - except Exception as e: - logger.error(f"生成流量图表失败: {str(e)}") - return HTMLResponse(content=f"

错误

{str(e)}

", status_code=500) - - @router.get("/network_adapters", summary="获取网络适配器网段") async def get_network_adapters(): try: diff --git a/src/backend/app/models/traffic_models.py b/src/backend/app/models/traffic_models.py deleted file mode 100644 index 6675b7c..0000000 --- a/src/backend/app/models/traffic_models.py +++ /dev/null @@ -1,51 +0,0 @@ -from src.backend.app.api.database import Base # 修复：导入 Base -from sqlalchemy import Column, Integer, String, DateTime, BigInteger, Float - - -class TrafficRecord(Base): - """网络流量记录模型""" - __tablename__ = "traffic_records" - - id = Column(Integer, primary_key=True, index=True) - interface = Column(String(50), index=True) - bytes_sent = Column(Integer) - bytes_recv = Column(Integer) - packets_sent = Column(Integer) - packets_recv = Column(Integer) - timestamp = Column(DateTime) - - def to_dict(self): - return { - "id": self.id, - "interface": self.interface, - "bytes_sent": self.bytes_sent, - "bytes_recv": self.bytes_recv, - "packets_sent": self.packets_sent, - "packets_recv": self.packets_recv, - "timestamp": self.timestamp.isoformat() - } - - -class SwitchTrafficRecord(Base): - __tablename__ = "switch_traffic_records" - - id = Column(Integer, primary_key=True, index=True) - switch_ip = Column(String(50), index=True) - interface = Column(String(50)) - bytes_in = Column(BigInteger) - bytes_out = Column(BigInteger) - rate_in = Column(Float) - rate_out = Column(Float) - timestamp = Column(DateTime) - - def to_dict(self): - return { - "id": self.id, - "switch_ip": self.switch_ip, - "interface": self.interface, - "bytes_in": self.bytes_in, - "bytes_out": self.bytes_out, - "rate_in": self.rate_in, - "rate_out": self.rate_out, - "timestamp": self.timestamp.isoformat() - } diff --git a/src/backend/app/services/switch_traffic_monitor.py b/src/backend/app/services/switch_traffic_monitor.py deleted file mode 100644 index 7c20f3d..0000000 --- a/src/backend/app/services/switch_traffic_monitor.py +++ /dev/null @@ -1,182 +0,0 @@ -import asyncio -from datetime import datetime -from collections import deque -from typing import Optional, List, Dict -from pysnmp.hlapi import * -from ..models.traffic_models import SwitchTrafficRecord -from src.backend.app.api.database import SessionLocal -from ..utils.logger import logger - -#V=ΔQ'-ΔQ/Δt (B/s) -class SwitchTrafficMonitor: - def __init__( - self, - switch_ip: str, - community: str = 'public', - update_interval: int = 5, - interfaces: Optional[List[str]] = None - ): - self.switch_ip = switch_ip - self.community = community - self.update_interval = update_interval - self.running = False - self.task = None - self.interface_history = {} - self.history = { - "in": deque(maxlen=300), - "out": deque(maxlen=300), - "time": deque(maxlen=300) - } - - self.interface_oids = { - "GigabitEthernet0/0/1": { - "in": '1.3.6.1.2.1.2.2.1.10.1', - "out": '1.3.6.1.2.1.2.2.1.16.1' - }, - "GigabitEthernet0/0/24": { - "in": '1.3.6.1.2.1.2.2.1.10.24', - "out": '1.3.6.1.2.1.2.2.1.16.24' - } - } - - if interfaces: - self.interface_oids = { - iface: oid for iface, oid in self.interface_oids.items() - if iface in interfaces - } - logger.info(f"监控指定接口: {', '.join(interfaces)}") - else: - logger.info("监控所有接口") - - def start_monitoring(self): - """启动交换机流量监控""" - if not self.running: - self.running = True - self.task = asyncio.create_task(self._monitor_loop()) - logger.success(f"交换机流量监控已启动: {self.switch_ip}") - - async def stop_monitoring(self): - """停止监控""" - if self.running: - self.running = False - if self.task: - self.task.cancel() - try: - await self.task - except asyncio.CancelledError: - pass - logger.info(f"交换机流量监控已停止: {self.switch_ip}") - - async def _monitor_loop(self): - """监控主循环""" - last_values = {iface: {"in": 0, "out": 0} for iface in self.interface_oids} - last_time = datetime.now() - - while self.running: - await asyncio.sleep(self.update_interval) - - try: - current_time = datetime.now() - elapsed = (current_time - last_time).total_seconds() - - for iface, oids in self.interface_oids.items(): - in_octets = self._snmp_get(oids["in"]) - out_octets = self._snmp_get(oids["out"]) - - if in_octets is not None and out_octets is not None: - - iface_values = last_values[iface] - in_rate = (in_octets - iface_values["in"]) / elapsed if iface_values["in"] > 0 else 0 - out_rate = (out_octets - iface_values["out"]) / elapsed if iface_values["out"] > 0 else 0 - - self.history["in"].append(in_rate) - self.history["out"].append(out_rate) - self.history["time"].append(current_time) - - self._save_to_db(iface, in_octets, out_octets, in_rate, out_rate, current_time) - - iface_values["in"] = in_octets - iface_values["out"] = out_octets - - last_time = current_time - except Exception as e: - logger.error(f"监控交换机流量出错: {str(e)}") - - def _snmp_get(self, oid) -> Optional[int]: - """执行SNMP GET请求""" - try: - cmd = getCmd( - SnmpEngine(), - CommunityData(self.community), - UdpTransportTarget((self.switch_ip, 161)), - ContextData(), - ObjectType(ObjectIdentity(oid))) - - errorIndication, errorStatus, errorIndex, varBinds = next(cmd) - except Exception as e: - logger.error(f"SNMP请求失败: {str(e)}") - return None - - if errorIndication: - logger.error(f"SNMP错误: {errorIndication}") - return None - elif errorStatus: - try: - if errorIndex: - index_val = int(errorIndex) - 1 - error_item = varBinds[index_val] if index_val < len(varBinds) else '?' - else: - error_item = '?' - - error_msg = f"SNMP错误: {errorStatus.prettyPrint()} at {error_item}" - logger.error(error_msg) - except Exception as e: - logger.error(f"解析SNMP错误失败: {str(e)}") - return None - else: - for varBind in varBinds: - try: - return int(varBind[1]) - except Exception as e: - logger.error(f"转换SNMP值失败: {str(e)}") - return None - - return None - - def _save_to_db(self, interface: str, in_octets: int, out_octets: int, - in_rate: float, out_rate: float, timestamp: datetime): - """保存流量数据到数据库""" - try: - with SessionLocal() as session: - record = SwitchTrafficRecord( - switch_ip=self.switch_ip, - interface=interface, - bytes_in=in_octets, - bytes_out=out_octets, - rate_in=in_rate, - rate_out=out_rate, - timestamp=timestamp - ) - session.add(record) - session.commit() - except Exception as e: - logger.error(f"保存流量数据到数据库失败: {str(e)}") - - def get_traffic_history(self) -> Dict[str, List]: - """获取流量历史数据""" - return { - "in": list(self.history["in"]), - "out": list(self.history["out"]), - "time": list(self.history["time"]) - } - -switch_monitors = {} -def get_switch_monitor(switch_ip: str, community: str = 'public', interfaces: Optional[List[str]] = None): - """获取或创建交换机监控器""" - if switch_ip not in switch_monitors: - switch_monitors[switch_ip] = SwitchTrafficMonitor( - switch_ip, - community, - interfaces=interfaces - ) - return switch_monitors[switch_ip] diff --git a/src/backend/app/services/test.py b/src/backend/app/services/test.py deleted file mode 100644 index 29db72e..0000000 --- a/src/backend/app/services/test.py +++ /dev/null @@ -1,9 +0,0 @@ -# test_linprog.py -import numpy as np -from scipy.optimize import linprog - -c = np.array([-1, -2]) -A_ub = np.array([[1, 1]]) -b_ub = np.array([3]) -res = linprog(c, A_ub=A_ub, b_ub=b_ub, method='highs') -print(res) \ No newline at end of file diff --git a/src/backend/app/services/traffic_monitor.py b/src/backend/app/services/traffic_monitor.py deleted file mode 100644 index 1c498b3..0000000 --- a/src/backend/app/services/traffic_monitor.py +++ /dev/null @@ -1,145 +0,0 @@ -import psutil -import time -import asyncio -from datetime import datetime -from collections import deque -from typing import Dict, Optional, List - - -from ..models.traffic_models import TrafficRecord -from src.backend.app.api.database import SessionLocal -from ..utils.logger import logger - - -class TrafficMonitor: - def __init__(self, history_size: int = 300): - self.history_size = history_size - self.history = { - "sent": deque(maxlen=history_size), - "recv": deque(maxlen=history_size), - "time": deque(maxlen=history_size), - "interfaces": {} - } - self.running = False - self.task = None - self.update_interval = 1.0 # 秒 - - @staticmethod - def get_interfaces() -> List[str]: - """获取所有网络接口名称""" - return list(psutil.net_io_counters(pernic=True).keys()) - - def start_monitoring(self): - """启动流量监控""" - if not self.running: - self.running = True - self.task = asyncio.create_task(self._monitor_loop()) - logger.info("流量监控已启动") - - async def stop_monitoring(self): - """停止流量监控""" - if self.running: - self.running = False - self.task.cancel() - try: - await self.task - except asyncio.CancelledError: - pass - logger.info("流量监控已停止") - - async def _monitor_loop(self): - """监控主循环""" - last_stats = psutil.net_io_counters(pernic=True) - last_time = time.time() - - while self.running: - await asyncio.sleep(self.update_interval) - - current_time = time.time() - current_stats = psutil.net_io_counters(pernic=True) - elapsed = current_time - last_time - - for iface in current_stats: - if iface not in self.history["interfaces"]: - - self.history["interfaces"][iface] = { - "sent": deque(maxlen=self.history_size), - "recv": deque(maxlen=self.history_size) - } - - if iface in last_stats: - sent_rate = (current_stats[iface].bytes_sent - last_stats[iface].bytes_sent) / elapsed - recv_rate = (current_stats[iface].bytes_recv - last_stats[iface].bytes_recv) / elapsed - - - self.history["sent"].append(sent_rate) - self.history["recv"].append(recv_rate) - self.history["time"].append(datetime.now()) - - - self.history["interfaces"][iface]["sent"].append(sent_rate) - self.history["interfaces"][iface]["recv"].append(recv_rate) - - - self._save_to_db(current_stats) - - last_stats = current_stats - last_time = current_time - - @staticmethod - def _save_to_db(stats): - """保存流量数据到数据库""" - with SessionLocal() as session: - for iface, counters in stats.items(): - record = TrafficRecord( - interface=iface, - bytes_sent=counters.bytes_sent, - bytes_recv=counters.bytes_recv, - packets_sent=counters.packets_sent, - packets_recv=counters.packets_recv, - timestamp=datetime.now() - ) - session.add(record) - session.commit() - - def get_current_traffic(self, interface: Optional[str] = None) -> Dict: - """获取当前流量数据""" - stats = psutil.net_io_counters(pernic=True) - - if interface: - if interface in stats: - return self._format_interface_stats(stats[interface]) - return {} - - return {iface: self._format_interface_stats(data) for iface, data in stats.items()} - - @staticmethod - def _format_interface_stats(counters) -> Dict: - """格式化接口统计数据""" - return { - "bytes_sent": counters.bytes_sent, - "bytes_recv": counters.bytes_recv, - "packets_sent": counters.packets_sent, - "packets_recv": counters.packets_recv, - "errin": counters.errin, - "errout": counters.errout, - "dropin": counters.dropin, - "dropout": counters.dropout - } - - def get_traffic_history(self, interface: Optional[str] = None) -> Dict: - """获取流量历史数据""" - if interface and interface in self.history["interfaces"]: - return { - "sent": list(self.history["interfaces"][interface]["sent"]), - "recv": list(self.history["interfaces"][interface]["recv"]), - "time": list(self.history["time"]) - } - - return { - "sent": list(self.history["sent"]), - "recv": list(self.history["recv"]), - "time": list(self.history["time"]) - } - -traffic_monitor = TrafficMonitor()