ElecScalesMeasur/Network.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
# @Time    : 2025/2/18 10:08
# @Author  : hjw
# @File    : Network.py
'''

import time
import threading
import socket
import logging
import json
from queue import Queue


# 配置日志系统
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    handlers=[
        logging.FileHandler('controller.log'),
        logging.StreamHandler()
    ]
)
logger = logging.getLogger(__name__)


class NetworkHandler:
    def __init__(self, config):
        self.host = config['network']['host']
        self.port = config['network']['port']
        self.sock = None
        self.command_queue = Queue()
        self.status = {
            'measuring': False,
            'error': None,
            'current_weight': 0,
            'target_weight': 0,
            'algorithm': 'pid',
            'set_tare': False,
            'set_tare_num_time': 0,
            'get_weight': False,
            'set_vibrate': False,
            'set_vibrate_time': 0,
            'direction_control': False,
            'start_weighting': False,
            'weighting_isok': False,
            'vibrate_isok': False
        }
        self.lock = threading.Lock()
        self.running = True

    def start_server(self):
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        try:
            self.sock.bind((self.host, self.port))
            self.sock.listen(5)    # 最多接受多少个等待连接的客户端
            logger.info(f"网络服务启动于 {self.host}:{self.port}")

            while self.running:
                conn, addr = self.sock.accept()   # coon--数据sock
                threading.Thread(target=self._handle_client, args=(conn, addr), daemon=True).start()
        except Exception as e:
            logger.error(f"网络服务异常: {str(e)}")
        finally:
            self.sock.close()

    def _handle_client(self, conn, addr):
        try:
            data = conn.recv(1024)    # 1024--指定从接收缓冲区里最多读取多少字节
            if data:
                cmd = json.loads(data.decode())
                self._process_command(cmd)
                time.sleep(0.5)
                # 返回当前状态
            if self.status['start_weighting'] == True :
                while True:
                    if self.status['start_weighting'] == False:
                        with self.lock:
                            response = json.dumps(self.status)
                        conn.send(response.encode())
                        break
                    time.sleep(0.5)
            elif self.status['set_vibrate'] == True:
                while True:
                    if self.status['set_vibrate'] == False:
                        with self.lock:
                            response = json.dumps(self.status)
                        conn.send(response.encode())
                        break
                    time.sleep(0.5)
            else:
                with self.lock:
                    response = json.dumps(self.status)
                conn.send(response.encode())
        except json.JSONDecodeError:
            logger.warning("收到无效的JSON指令")
        except Exception as e:
            logger.error(f"客户端处理异常: {str(e)}")
        finally:
            conn.close()

    def _process_command(self, cmd):
        with self.lock:
            if cmd.get('command') == 'set_target':

                self.status['target_weight'] = cmd['payload']['target_weight']
                self.status['algorithm'] = cmd['payload'].get('algorithm', 'pid')
                self.status['direction_control'] = cmd['payload']['direction_control']
                self.status['measuring'] = True
                self.status['start_weighting'] = True
                self.status['weighting_isok'] = False
                print("收到指令set_target:", self.status['target_weight'])
            elif cmd.get('command') == 'stop':
                self.status['measuring'] = False
                self.status['start_weighting'] = False

            elif cmd.get('command') == 'set_zero':
                self.status['set_tare'] = True
                print("收到指令set_tare:", self.status['set_tare'])

            elif cmd.get('command') == 'get_weight':
                self.status['get_weight'] = True
                print("收到指令get_weight:", self.status['get_weight'])

            elif cmd.get('command') == 'set_vibrate':
                self.status['set_vibrate'] = True
                self.status['set_vibrate_time'] = cmd['payload']['time']

                # 打印状态
                print("振动状态 set_vibrate:", self.status['set_vibrate'])
                print("振动时间 set_vibrate_time:", self.status['set_vibrate_time'])
                self.status['vibrate_isok'] = False