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0209整理

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fujinliang
2026-02-10 10:18:17 +08:00
parent d6ad01274a
commit 6e74eaf206
62 changed files with 838 additions and 9136 deletions
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171
opc/opcua_server.py
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@ -9,14 +9,14 @@ import time
import random
import threading
from datetime import datetime
from core.system import SystemState
from config.ini_manager import ini_manager
# from core.system import SystemState
# from config.ini_manager import ini_manager
class SimpleOPCUAServer:
def __init__(self, state, endpoint=ini_manager.opcua_endpoint, name="Feed_Server"):
# def __init__(self, state, endpoint=ini_manager.opcua_endpoint, name="Feed_Server"):
def __init__(self, endpoint='', name="Feed_Server"):
"""
初始化OPC UA服务器
Args:
endpoint: 服务器端点地址
name: 服务器名称
@ -24,7 +24,7 @@ class SimpleOPCUAServer:
self.server = Server()
self.server.set_endpoint(endpoint)
self.server.set_server_name(name)
self.state = state
# self.state = state
# 设置服务器命名空间
self.namespace = self.server.register_namespace("Feed_Control_System")
@ -38,46 +38,118 @@ class SimpleOPCUAServer:
# 运行标志
self.running = False
# 订阅和监控项
self.subscription = None
self.monitored_items = []
# 记录上次值用于检测变化
self._last_values = {}
def create_object_structure(self):
"""创建OPC UA对象结构"""
# 创建上料斗对象
self.upper = self.objects.add_object(self.namespace, "upper")
self.lower=self.objects.add_object(self.namespace, "lower")
self.sys=self.objects.add_object(self.namespace, "sys")
self.mould=self.objects.add_object(self.namespace, "mould")
self.pd=self.objects.add_object(self.namespace, "pd")
# 创建变量
self.create_variables()
def create_variables(self):
"""创建OPC UA变量"""
# 上料斗重量变量
self.upper_weight = self.upper.add_variable(self.namespace, "upper_weight", 0.0)
self.lower_weight = self.lower.add_variable(self.namespace, "lower_weight", 0.0)
# 创建变量时显式指定数据类型和初始值
#上料斗
self.upper_weight = self.upper.add_variable(self.namespace, "upper_weight", ua.Variant(0.0, ua.VariantType.Float))
self.upper_is_arch = self.upper.add_variable(self.namespace, "upper_is_arch", ua.Variant(False, ua.VariantType.Boolean))
self.upper_door_closed = self.upper.add_variable(self.namespace, "upper_door_closed", ua.Variant(False, ua.VariantType.Boolean))
self.upper_volume = self.upper.add_variable(self.namespace, "upper_volume", ua.Variant(0.0, ua.VariantType.Float))
self.upper_door_position = self.upper.add_variable(self.namespace, "upper_door_position", ua.Variant(0, ua.VariantType.Int16))
#下料斗
self.lower_weight = self.lower.add_variable(self.namespace, "lower_weight", ua.Variant(0.0, ua.VariantType.Float))
self.lower_is_arch = self.lower.add_variable(self.namespace, "lower_is_arch", ua.Variant(False, ua.VariantType.Boolean))
#模具车
self.mould_finish_weight = self.mould.add_variable(self.namespace, "mould_finish_weight", ua.Variant(0.0, ua.VariantType.Float))
self.mould_need_weight = self.mould.add_variable(self.namespace, "mould_need_weight", ua.Variant(0.0, ua.VariantType.Float))
self.mould_frequency = self.mould.add_variable(self.namespace, "mould_frequency", ua.Variant(230, ua.VariantType.Int32))
self.mould_vibrate_status = self.mould.add_variable(self.namespace, "mould_vibrate_status", ua.Variant(False, ua.VariantType.Boolean))
self.feed_status = self.mould.add_variable(self.namespace, "feed_status", ua.Variant(0, ua.VariantType.Int16))
self.pd_data=self.pd.add_variable(self.namespace, "pd_data", ua.Variant("", ua.VariantType.String))
# 在创建变量后立即设置可写权限（不需要等待服务器启动）
self.upper_weight.set_writable(True)
self.lower_weight.set_writable(True)
self.upper_is_arch.set_writable(True)
self.upper_door_closed.set_writable(True)
self.upper_volume.set_writable(True)
self.upper_door_position.set_writable(True)
self.lower_is_arch.set_writable(True)
self.mould_finish_weight.set_writable(True)
self.mould_need_weight.set_writable(True)
self.mould_frequency.set_writable(True)
self.mould_vibrate_status.set_writable(True)
self.feed_status.set_writable(True)
self.pd_data.set_writable(True)
# 设置变量为可写
# self.upper_weight.set_writable()
# self.lower_weight.set_writable()
print("[变量创建] 变量创建完成，AccessLevel权限已设置")
def setup_state_listeners(self):
"""设置状态监听器 - 事件驱动更新"""
if hasattr(self.state, 'state_updated'):
self.state.state_updated.connect(self.on_state_changed)
print("状态监听器已设置 - 事件驱动模式")
# 验证并打印当前的AccessLevel属性
# try:
# al = self.upper_weight.get_attribute(ua.AttributeIds.AccessLevel)
# ual = self.upper_weight.get_attribute(ua.AttributeIds.UserAccessLevel)
# print(f"[变量创建] upper_weight AccessLevel: {al.Value.Value}, UserAccessLevel: {ual.Value.Value}")
# al2 = self.lower_weight.get_attribute(ua.AttributeIds.AccessLevel)
# ual2 = self.lower_weight.get_attribute(ua.AttributeIds.UserAccessLevel)
# print(f"[变量创建] lower_weight AccessLevel: {al2.Value.Value}, UserAccessLevel: {ual2.Value.Value}")
# except Exception as e:
# print(f"[变量创建] 获取权限属性失败: {e}")
def on_state_changed(self, property_name, value):
"""状态变化时的回调函数"""
def setup_variable_permissions(self):
"""设置变量权限 - 在服务器启动后调用"""
try:
# 根据属性名更新对应的OPC UA变量
if property_name == "upper_weight":
self.upper_weight.set_value(value)
elif property_name == "lower_weight":
self.lower_weight.set_value(value)
# 可以在这里添加更多状态映射
print(f"状态更新: {property_name} = {value}")
# 重新设置变量为可写，确保权限生效
self.upper_weight.set_writable(True)
self.lower_weight.set_writable(True)
print("[权限设置] 变量权限已重新设置")
# 验证权限
try:
al = self.upper_weight.get_attribute(ua.AttributeIds.AccessLevel)
ual = self.upper_weight.get_attribute(ua.AttributeIds.UserAccessLevel)
print(f"[权限设置] upper_weight AccessLevel: {al.Value.Value}, UserAccessLevel: {ual.Value.Value}")
except Exception as e:
print(f"[权限设置] 验证失败: {e}")
except Exception as e:
print(f"状态更新错误: {e}")
print(f"[权限设置] 设置权限失败: {e}")
print("[权限设置] 尝试强制设置...")
# def setup_state_listeners(self):
# """设置状态监听器 - 事件驱动更新"""
# if hasattr(self.state, 'state_updated'):
# self.state.state_updated.connect(self.on_state_changed)
# print("状态监听器已设置 - 事件驱动模式")
# def on_state_changed(self, property_name, value):
# """状态变化时的回调函数"""
# try:
# # 根据属性名更新对应的OPC UA变量
# if property_name == "upper_weight":
# self.upper_weight.set_value(value)
# elif property_name == "lower_weight":
# self.lower_weight.set_value(value)
# # 可以在这里添加更多状态映射
# print(f"状态更新: {property_name} = {value}")
# except Exception as e:
# print(f"状态更新错误: {e}")
def start(self):
"""启动服务器"""
@ -85,15 +157,27 @@ class SimpleOPCUAServer:
self.server.start()
self.running = True
print(f"服务器端点: opc.tcp://0.0.0.0:4840/freeopcua/server/")
print("=" * 60)
# 【关键修复】在设置监听器之前，先设置变量权限
# 这确保 AccessLevel 属性在客户端写入前已正确设置
# self.setup_variable_permissions()
print("=" * 60)
# 设置客户端写入监听器
# self.setup_write_listeners()
print("=" * 60)
# 初始化当前值
if self.state:
self.upper_weight.set_value(self.state._upper_weight)
self.lower_weight.set_value(self.state._lower_weight)
print("已同步初始状态值")
# if self.state:
# self.upper_weight.set_value(self.state._upper_weight)
# self.lower_weight.set_value(self.state._lower_weight)
# print("已同步初始状态值")
# 设置状态监听器 - 关键步骤！
self.setup_state_listeners()
# self.setup_state_listeners()
# # 只有在没有状态系统时才使用模拟线程
# if not self.state:
@ -107,36 +191,35 @@ class SimpleOPCUAServer:
def stop(self):
"""停止服务器"""
# 移除监听器
# self.remove_write_listeners()
self.running = False
self.server.stop()
print("OPC UA服务器已停止")
# 断开状态监听器
if hasattr(self.state, 'state_updated'):
try:
self.state.state_updated.disconnect(self.on_state_changed)
except:
pass
# if hasattr(self.state, 'state_updated'):
# try:
# self.state.state_updated.disconnect(self.on_state_changed)
# except:
# pass
def main():
"""主函数"""
# 创建系统状态实例
state = SystemState()
# state = SystemState()
# 创建并启动服务器
server = SimpleOPCUAServer(
state=state,
endpoint="opc.tcp://0.0.0.0:4840/freeopcua/server/",
name="工业自动化 OPC UA 服务器"
)
try:
server.start()
server.start()
print("服务器正在运行，按 Ctrl+C 停止...")
# 保持服务器运行
while True:
time.sleep(1)