127 lines
5.8 KiB
Python
127 lines
5.8 KiB
Python
#!/usr/bin/env python3
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# -*- coding: UTF-8 -*-
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import socket
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import os
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import time
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import logging
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import sys
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# reload(sys) 和 sys.setdefaultencoding('utf-8') 在 Python 3 中不再需要
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if __name__ == '__main__':
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#======修改以下参数======
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TmsServerIp='192.168.8.9' #TMS服务器IP，用于绑定服务，等待外部指令
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TmsPor='10079' #TMS服务器端口，用于绑定服务，等待外部指令
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upc_dev_ip="192.168.8.73" #自动化控制设备IP
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upc_dev_port="502" #自动化控制设备端口
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# 注意：Senderfile 指向的 sender.py 脚本也需要是 Python 3 版本！
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Senderfile='/opt/upc_resent/bin/sender.py' #发送程序位置
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Logfile='/opt/upc_resent/log/192.168.8.73.log' #日志文件位置
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pythonpath="/usr/bin/python3" # Python 3 执行文件的位置，可在操作系统中使用which python3命令获取
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#========================
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BUFSIZE = 1024
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# 配置日志，只执行一次
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logging.basicConfig(filename=Logfile,filemode="a", level=logging.DEBUG)
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ISOTIMEFORMAT='%Y-%m-%d %X'
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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sock.bind((TmsServerIp, int(TmsPor))) #启动TMS本地服务，等待外部设备发送指令
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sock.listen(500)
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except OSError as e: # 在 Python 3 中使用 OSError 替代 socket.error
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logstr="!!!!!ERROR!!!!!"+time.strftime( ISOTIMEFORMAT, time.localtime( time.time() ) )+" 无法绑定端口 %s:%s - %s" % (TmsServerIp, TmsPor, e)
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logging.error(logstr)
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print(logstr) # Python 3 print 函数
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sys.exit(1) # 绑定失败则退出
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logging.info("服务启动，监听 %s:%s" % (TmsServerIp, TmsPor))
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while True:
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connection,address = sock.accept()
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try:
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connection.settimeout(5) #GDC系统长连接
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# 接收到的数据是 bytes，需要解码成 str 进行比较
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buf_bytes = connection.recv(BUFSIZE)
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buf = buf_bytes.decode('utf-8').strip() # 解码成 str 并移除空白符
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operation = "nodata" # 默认值，如果没有匹配的命令
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datetime_str=time.strftime( ISOTIMEFORMAT, time.localtime( time.time() ) )
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logstr="==="+datetime_str+"收到客户端"+ address[0]+":"+str(address[1])+"发送的指令: '" +str(buf)+"'"
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logging.info(logstr)
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# 根据接收到的外部命令，映射到单个内部操作指令
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if buf == 'open':
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operation = 'openall4'
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elif buf == 'close':
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operation = 'closeall4'
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elif buf == 'open1':
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operation = 'open1'
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elif buf == 'close1':
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operation = 'close1'
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elif buf == 'open2':
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operation = 'open2'
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elif buf == 'close2':
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operation = 'close2'
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elif buf == 'open3':
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operation = 'open3'
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elif buf == 'close3':
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operation = 'close3'
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elif buf == 'open4':
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operation = 'open4'
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elif buf == 'close4':
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operation = 'close4'
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elif buf == 'open5': # 新增 5-8 路的命令映射
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operation = 'open5'
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elif buf == 'close5':
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operation = 'close5'
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elif buf == 'open6':
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operation = 'open6'
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elif buf == 'close6':
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operation = 'close6'
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elif buf == 'open7':
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operation = 'open7'
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elif buf == 'close7':
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operation = 'close7'
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elif buf == 'open8':
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operation = 'open8'
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elif buf == 'close8':
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operation = 'close8'
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elif buf == 'guanggao-guan': # 外部命令 'guanggao-guan' 映射到 'closeall4' (全关)
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operation = 'closeall4'
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# else: operation 保持为 "nodata"
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if operation == "nodata":
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logstr="==="+datetime_str+" 未知指令: '" +str(buf)+"'"
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logging.warning(logstr)
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print(logstr) # Python 3 print 函数
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# 给客户端一个反馈，需要编码成 bytes
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connection.send(('Unknown command: %s' % buf).encode('utf-8'))
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else:
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logstr="==="+datetime_str+" 映射到内部指令: '" +str(operation)+"'"
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logging.info(logstr)
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# 直接执行一次外部脚本
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os_command=str(pythonpath)+" " +Senderfile+ " " + str(upc_dev_ip)+" "+str(upc_dev_port)+" "+str(operation)+" "+str(Logfile)
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logging.info("执行外部命令: %s" % os_command)
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os.system(os_command) # 执行发送指令的脚本
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# 成功处理后给客户端反馈，需要编码成 bytes
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connection.send(('Command %s processed as %s' % (buf, operation)).encode('utf-8'))
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except socket.timeout:
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datetime_str=time.strftime( ISOTIMEFORMAT, time.localtime( time.time() ) )
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logstr="==="+datetime_str+" 客户端连接超时: "+ address[0]+":"+str(address[1])+"==="
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logging.warning(logstr)
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print('time out') # Python 3 print 函数
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except Exception as e: # 捕获其他可能的异常
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datetime_str=time.strftime( ISOTIMEFORMAT, time.localtime( time.time() ) )
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logstr="==="+datetime_str+" 处理客户端 "+ address[0]+":"+str(address[1])+" 请求时发生错误: "+str(e)+"==="
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logging.error(logstr, exc_info=True) # 记录异常详情
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print("Error processing request:", e) # Python 3 print 函数
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# 给客户端一个错误反馈，需要编码成 bytes
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connection.send(('Error processing command: %s' % str(e)).encode('utf-8'))
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finally:
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connection.close() # 确保每次连接都被关闭
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