将读取文件添加PLC的名字

gateway/cache_manager.py

@@ -30,6 +30,8 @@ class CacheManager:
         self.logger = logging.getLogger("CacheManager")
         self.init_cache()
 
+
+
     def init_cache(self):
         """初始化缓存结构"""
         for plc in self.config["plcs"]:
@@ -643,6 +645,8 @@ class CacheManager:
                 plc_status = self.plc_connection_status.get(plc_name, "unknown")
                 return None, "Area is read-only", plc_status, 0
 
+            cache_file = f"{plc_name}_area_{area_name}.log"
+
             # 计算实际DB偏移
             db_offset = area["offset"] + offset
 
@@ -669,7 +673,7 @@ class CacheManager:
 
             try:
                 # 使用Snap7Client的read_generic方法
-                result = client.read_generic(area["db_number"], db_offset, data_type, count)
+                result = client.read_generic(area["db_number"], db_offset, data_type, cache_file, count)
                 if result is None:
                     return None, "Read failed", plc_status, 0
 
@@ -873,4 +877,5 @@ class CacheManager:
                     "plc_connection_status": plc_status,
                     "last_update": last_update,
                     "last_update_formatted": time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(last_update)) if last_update > 0 else "Never"
-                }
+                }
+