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templates/sender_tcp.py.tpl

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+#!/usr/bin/env python3
+# -*- coding: UTF-8 -*-
+# Auto-generated from template. DO NOT EDIT DIRECTLY!
+
+import sys
+import socket
+import time
+import logging
+import telnetlib
+
+
+def tcp_command_send(upc_addr, upc_command, data):
+    """负责发送数据和接收一次响应"""
+    timeout = 2
+    socket.setdefaulttimeout(timeout)
+    try:
+        client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        logging.debug(f"尝试连接到 {{upc_addr[0]}}:{{upc_addr[1]}}...")
+        client.connect(upc_addr)
+        logging.debug(f"成功连接到 {{upc_addr[0]}}:{{upc_addr[1]}}。")
+        
+        logging.info(f"正在发送命令 '{{upc_command}}' 到 {{upc_addr}}: {{data!r}} (原始字节)")
+        client.send(data)
+        logging.debug(f"数据发送完成。")
+
+        recv_buffer_size = 1024
+        response_bytes = b''
+        try:
+            logging.debug(f"尝试从 {{upc_addr}} 接收响应数据...")
+            response_bytes = client.recv(recv_buffer_size)
+            if response_bytes:
+                logging.info(f"从 {{upc_addr}} 收到原始响应字节: {{response_bytes!r}}")
+                try:
+                    response_str = response_bytes.decode('utf-8', errors='ignore')
+                    logging.info(f"从 {{upc_addr}} 收到解码响应字符串: '{{response_str}}'")
+                except Exception as decode_e:
+                    logging.warning(f"解码从 {{upc_addr}} 收到的响应时发生错误: {{decode_e}}")
+            else:
+                logging.info(f"从 {{upc_addr}} 未收到响应数据 (连接可能已关闭或设备未发送)。")
+        except socket.timeout:
+            logging.warning(f"从 {{upc_addr}} 接收响应超时。")
+        except OSError as recv_e:
+            logging.error(f"从 {{upc_addr}} 接收响应时发生网络错误: {{recv_e}}")
+
+        client.close()
+        logging.debug(f"连接关闭。")
+        return True
+    except OSError as e:
+        logging.error(f"命令 '{{upc_command}}' 发送至 {{upc_addr}} 失败: {{e}}")
+        return False
+
+
+# 指令定义表（从配置文件读取）
+COMMAND_DEFINITIONS = {command_definitions}
+
+
+def upc_send_command(upc_addr, upc_command, log_file):
+    """将命令发送给终端设备"""
+    data = None
+    
+    # 查找指令定义
+    if upc_command in COMMAND_DEFINITIONS:
+        hex_str = COMMAND_DEFINITIONS[upc_command]
+        data = bytes.fromhex(hex_str)
+    
+    if data is None:
+        datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
+        logstr = f"{{datetime_str}} 未知命令: {{upc_command}}，没有对应的数据可发送。"
+        logging.warning(logstr)
+        print(logstr)
+    else:
+        i = 1
+        while i <= 3:  # 尝试发送3次
+            if tcp_command_send(upc_addr, upc_command, data):
+                datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
+                logstr = f"{{datetime_str}} {{upc_command}}命令第{{i}}次发送成功"
+                logging.info(logstr)
+                return
+            else:
+                datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
+                logstr = f"{{datetime_str}} {{upc_command}}命令第{{i}}次发送失败，3秒后进行第{{i+1}}次尝试"
+                logging.warning(logstr)
+                time.sleep(3)
+            i = i + 1
+        
+        datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
+        logstr = f"{{datetime_str}} {{upc_command}}命令在3次尝试后发送均失败！"
+        logging.error(logstr)
+
+
+if __name__ == '__main__':
+    ISOTIMEFORMAT = '%Y-%m-%d %X'
+    
+    UPC_DEV_IP = sys.argv[1]
+    UPC_DEV_PORT = sys.argv[2]
+    upc_command = sys.argv[3]
+    LOG_FILE = sys.argv[4]
+
+    logging.basicConfig(filename=LOG_FILE, filemode="a", level=logging.DEBUG)
+    UPC_ADDR = (UPC_DEV_IP, int(UPC_DEV_PORT))
+
+    # 验证端口是否能Telnet通
+    try:
+        logging.debug(f"尝试通过 Telnet 检查端口 {{UPC_ADDR[0]}}:{{UPC_ADDR[1]}} 可访问性...")
+        tn = telnetlib.Telnet(UPC_DEV_IP, UPC_DEV_PORT)
+        tn.close()
+        logging.debug(f"端口 {{UPC_ADDR[0]}}:{{UPC_ADDR[1]}} Telnet 检查通过。")
+    except OSError as e:
+        datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
+        logstr = f"!!!!!ERROR!!!!!{{datetime_str}} {{UPC_ADDR}} 端口无法访问，请检查设备或网络连接: {{e}}!!!!!"
+        logging.error(logstr)
+        print(logstr)
+    except Exception as e:
+        datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
+        logstr = f"!!!!!ERROR!!!!!{{datetime_str}} {{UPC_ADDR}} Telnet检查时发生未知错误: {{e}}!!!!!"
+        logging.error(logstr, exc_info=True)
+        print(logstr)
+    else:
+        upc_send_command(UPC_ADDR, upc_command, LOG_FILE)