735 lines
25 KiB
JavaScript
735 lines
25 KiB
JavaScript
class ModelMonitor extends HTMLElement {
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constructor() {
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super();
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this.attachShadow({ mode: 'open' });
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this.monitorId = `model_monitor_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
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this.monitorStatus = {
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isMonitoring: false,
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lastError: null
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};
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this.modelInfo = null;
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this.statusCheckInterval = null;
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this.chart = null;
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this.chartInitialized = false;
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this.domainId = '10'; // 默认值
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this.isActive = false;
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}
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connectedCallback() {
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this.render();
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this.isActive = true; // 设置初始状态为激活
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// 等待组件完全加载
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setTimeout(() => {
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this.initializeComponent();
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}, 100);
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}
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async initializeComponent() {
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try {
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// 确保图表被正确初始化
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if (this.chart) {
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this.chart.destroy();
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this.chart = null;
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}
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// 初始化图表
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this.initChart();
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// 检查当前监控状态
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const statusResponse = await fetch('/api/model-monitor/status');
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const statusData = await statusResponse.json();
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this.monitorStatus = statusData;
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// 如果已经在监控中，立即开始获取数据
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if (this.monitorStatus.isMonitoring) {
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// 先获取一次数据
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await this.checkMonitorStatus();
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// 然后开始定时检查
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this.startStatusCheck();
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}
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this.chartInitialized = true;
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} catch (error) {
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console.error('初始化组件失败:', error);
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this.monitorStatus.lastError = error.message;
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this.updateUI();
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}
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}
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// 修改 reactivate 方法
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reactivate() {
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this.isActive = true;
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// 如果已经在监控中，重新开始状态检查
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if (this.monitorStatus.isMonitoring) {
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this.startStatusCheck();
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}
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}
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// 修改 startStatusCheck 方法
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startStatusCheck() {
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if (!this.isActive) return;
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// 如果已经有定时器在运行，先停止它
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this.stopStatusCheck();
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let consecutiveErrors = 0;
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const maxConsecutiveErrors = 3;
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const checkStatus = async () => {
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if (!this.isActive) return;
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try {
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await this.checkMonitorStatus();
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consecutiveErrors = 0; // 重置错误计数
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} catch (error) {
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consecutiveErrors++;
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console.error(`状态检查失败 (${consecutiveErrors}/${maxConsecutiveErrors}):`, error);
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if (consecutiveErrors >= maxConsecutiveErrors) {
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console.error('连续错误次数过多，停止状态检查');
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this.stopStatusCheck();
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this.monitorStatus.lastError = '监控服务异常，请重新启动监控';
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this.updateUI();
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return;
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}
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}
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};
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// 立即执行一次
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checkStatus();
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// 设置定时器，每秒执行一次
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this.statusCheckInterval = setInterval(checkStatus, 1000);
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}
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// 修改 stopStatusCheck 方法
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stopStatusCheck() {
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if (this.statusCheckInterval) {
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clearInterval(this.statusCheckInterval);
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this.statusCheckInterval = null;
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}
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}
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// 修改 startMonitoring 方法
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async startMonitoring() {
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const domainId = this.shadowRoot.querySelector('.domain-input').value.trim();
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this.domainId = domainId;
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// 验证域ID是否为有效的数字字符串
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if (!/^\d+$/.test(domainId)) {
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console.error('域ID必须是有效的数字');
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return;
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}
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try {
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// 首先检查DDS监控状态
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const ddsStatusResponse = await fetch('/api/dds-monitor/status');
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const ddsStatusData = await ddsStatusResponse.json();
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// 如果DDS监控未初始化，先初始化DDS监控
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if (!ddsStatusData.isInitialized) {
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const ddsInitResponse = await fetch('/api/dds-monitor/initialize', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({
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domainId,
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monitorId: this.monitorId
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})
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});
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if (!ddsInitResponse.ok) {
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const errorData = await ddsInitResponse.json();
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console.error('DDS监控初始化失败:', errorData.error);
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return;
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}
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}
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// 启动模型监控
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const response = await fetch('/api/model-monitor/start', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({ domainId })
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});
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const data = await response.json();
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if (response.ok) {
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this.monitorStatus = data.status;
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this.updateUI();
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this.startStatusCheck(); // 直接启动状态检查，不需要检查 isActive
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} else {
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console.error('启动监控失败:', data.error);
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}
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} catch (error) {
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console.error('启动监控失败:', error);
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}
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}
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disconnectedCallback() {
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this.isActive = false;
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this.stopStatusCheck();
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// 注销监控器
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fetch('/api/dds-monitor/unregister', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({ monitorId: this.monitorId })
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}).catch(error => {
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console.error('注销监控器失败:', error);
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});
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// 不要在这里销毁图表实例，让它在重新激活时重新创建
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}
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async checkMonitorStatus() {
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try {
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// 获取监控状态
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const statusResponse = await fetch('/api/model-monitor/status');
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const statusData = await statusResponse.json();
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this.monitorStatus = statusData;
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if (this.monitorStatus.isMonitoring) {
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try {
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// 获取模型信息
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const modelResponse = await fetch('/api/model-monitor/model-info');
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if (!modelResponse.ok) {
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throw new Error(`模型信息获取失败: ${modelResponse.status}`);
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}
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const modelData = await modelResponse.json();
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if (!modelResponse.ok) {
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console.error('获取模型信息失败:', modelData.error || modelData.message);
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this.monitorStatus.lastError = modelData.error || modelData.message;
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// 保持原有数据不变
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} else {
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// 只有在数据发生变化时才更新
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if (JSON.stringify(this.modelInfo) !== JSON.stringify(modelData.data)) {
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this.modelInfo = modelData.data;
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this.monitorStatus.lastError = null;
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// 确保图表存在
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if (!this.chart) {
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this.initChart();
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}
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// 更新UI
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this.updateUI();
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}
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}
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} catch (error) {
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console.warn('获取模型信息失败:', error);
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// 保持原有数据不变
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}
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} else {
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// 只有在状态发生变化时才更新
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if (this.modelInfo !== null) {
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this.modelInfo = null;
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this.monitorStatus.lastError = null;
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this.updateUI();
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}
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}
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} catch (error) {
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console.error('获取监控状态失败:', error);
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this.monitorStatus.lastError = error.message;
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this.updateUI();
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}
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}
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getStatusDisplay(status) {
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switch (status) {
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case 0:
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return { text: '未运行', color: '#999999' };
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case 1:
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return { text: '运行中', color: '#4CAF50' };
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case 2:
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return { text: '暂停中', color: '#FF9800' };
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case 3:
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return { text: '错误', color: '#f44336' };
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default:
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return { text: '未知状态', color: '#f44336' };
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}
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}
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updateUI() {
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const input = this.shadowRoot.querySelector('.domain-input');
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const startButton = this.shadowRoot.querySelector('.start-button');
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const stopButton = this.shadowRoot.querySelector('.stop-button');
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const statusDisplay = this.shadowRoot.querySelector('.status-display');
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const modelTableBody = this.shadowRoot.querySelector('#model-table-body');
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if (this.monitorStatus.isMonitoring) {
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input.disabled = true;
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startButton.disabled = true;
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stopButton.disabled = false;
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} else {
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input.disabled = false;
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startButton.disabled = false;
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stopButton.disabled = true;
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}
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// 更新状态显示
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statusDisplay.textContent = `监控状态: ${this.monitorStatus.isMonitoring ? '运行中' : '已停止'}`;
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if (this.monitorStatus.lastError) {
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statusDisplay.textContent += ` (错误: ${this.monitorStatus.lastError})`;
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}
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// 更新模型表格
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if (this.monitorStatus.isMonitoring && this.modelInfo && Array.isArray(this.modelInfo)) {
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modelTableBody.innerHTML = this.modelInfo.map(model => {
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const statusInfo = this.getStatusDisplay(model.status);
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return `
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<tr>
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<td>${model.name || '未知'}</td>
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<td>${model.id || '未知'}</td>
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<td style="color: ${statusInfo.color}">${statusInfo.text}</td>
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<td>${model.threadId || '未知'}</td>
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<td>${model.node}</td>
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<td>${model.priority || '未知'}</td>
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<td>${model.runCount || '0'}</td>
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<td>${(model.setFrequency || 0).toFixed(2)}</td>
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<td>${(model.avgFrequency || 0).toFixed(2)}</td>
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<td>${(model.maxFrequency || 0).toFixed(2)}</td>
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<td>${(model.minFrequency || 0).toFixed(2)}</td>
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<td>${(model.setPeriod || 0).toFixed(2)}</td>
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<td>${(model.avgPeriod || 0).toFixed(2)}</td>
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<td>${(model.maxPeriod || 0).toFixed(2)}</td>
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<td>${(model.minPeriod || 0).toFixed(2)}</td>
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</tr>
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`;
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}).join('');
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// 更新图表数据
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this.updateChartData();
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} else {
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modelTableBody.innerHTML = '<tr><td colspan="14" style="text-align: center;">暂无模型信息</td></tr>';
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// 清空图表数据
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if (this.chart) {
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this.chart.data.labels = [];
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this.chart.data.datasets = [];
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this.chart.update();
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}
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}
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}
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async stopMonitoring() {
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try {
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const response = await fetch('/api/model-monitor/stop', {
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method: 'POST'
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});
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const data = await response.json();
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if (response.ok) {
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this.monitorStatus = data.status;
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this.updateUI();
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} else {
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console.error('停止监控失败:', data.error);
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}
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} catch (error) {
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console.error('停止监控失败:', error);
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}
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}
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render() {
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this.shadowRoot.innerHTML = `
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<style>
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:host {
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display: block;
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height: 100%;
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overflow: auto;
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padding: 16px;
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box-sizing: border-box;
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}
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.monitor-container {
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display: flex;
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flex-direction: column;
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gap: 16px;
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height: 100%;
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box-sizing: border-box;
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}
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.toolbar-section {
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background-color: white;
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border-radius: 8px;
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box-shadow: 0 2px 8px rgba(0,0,0,0.1);
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padding: 16px;
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}
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.content-container {
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display: flex;
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flex-direction: column;
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gap: 16px;
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flex: 1;
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}
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.panel-section {
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background-color: white;
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border-radius: 8px;
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box-shadow: 0 2px 8px rgba(0,0,0,0.1);
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padding: 16px;
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}
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.toolbar {
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display: flex;
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gap: 12px;
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align-items: center;
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justify-content: space-between;
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}
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.toolbar-left {
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display: flex;
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gap: 12px;
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align-items: center;
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}
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.input-group {
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.input-label {
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font-size: 14px;
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color: #333;
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white-space: nowrap;
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}
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.domain-input {
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padding: 8px 12px;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 14px;
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width: 200px;
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}
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.domain-input:disabled {
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background-color: #f5f5f5;
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cursor: not-allowed;
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}
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.control-button {
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padding: 8px 16px;
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border: none;
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border-radius: 4px;
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font-size: 14px;
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cursor: pointer;
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transition: background-color 0.2s;
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}
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.control-button:disabled {
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opacity: 0.6;
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cursor: not-allowed;
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}
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.start-button {
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background-color: #4CAF50;
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color: white;
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}
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.start-button:hover:not(:disabled) {
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background-color: #45a049;
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}
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.stop-button {
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background-color: #f44336;
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color: white;
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}
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.stop-button:hover:not(:disabled) {
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background-color: #da190b;
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}
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.status-display {
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padding: 8px 12px;
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background-color: #f5f5f5;
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border-radius: 4px;
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font-size: 14px;
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color: #666;
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}
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h3 {
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margin: 0 0 12px 0;
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color: #333;
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font-size: 16px;
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}
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.model-table {
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width: 100%;
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border-collapse: collapse;
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margin-top: 8px;
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}
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.model-table th,
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.model-table td {
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padding: 8px;
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text-align: left;
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border-bottom: 1px solid #e9ecef;
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}
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.model-table th {
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background-color: #f8f9fa;
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font-weight: 500;
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color: #333;
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}
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.model-table tr:hover {
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background-color: #f8f9fa;
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}
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.chart-container {
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position: relative;
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width: 100%;
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height: 300px;
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margin: 0;
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padding: 0;
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}
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#model-chart {
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width: 100% !important;
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height: 100% !important;
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display: block;
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}
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.chart-controls {
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display: flex;
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align-items: center;
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gap: 8px;
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margin-top: 8px;
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}
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.switch {
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position: relative;
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display: inline-block;
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width: 60px;
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height: 34px;
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}
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.switch input {
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opacity: 0;
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width: 0;
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height: 0;
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}
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.slider {
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position: absolute;
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cursor: pointer;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: #ccc;
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transition: .4s;
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border-radius: 34px;
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}
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.slider:before {
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position: absolute;
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content: "";
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height: 26px;
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width: 26px;
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left: 4px;
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bottom: 4px;
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background-color: white;
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transition: .4s;
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border-radius: 50%;
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}
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input:checked + .slider {
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background-color: #2196F3;
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}
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input:checked + .slider:before {
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transform: translateX(26px);
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}
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</style>
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<div class="monitor-container">
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<div class="toolbar-section">
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<div class="toolbar">
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<div class="toolbar-left">
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<div class="input-group">
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<label class="input-label">DDS通信域ID：</label>
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<input type="text" class="domain-input" value="10">
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</div>
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<button class="control-button start-button" onclick="this.getRootNode().host.startMonitoring()">开始监控</button>
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<button class="control-button stop-button" onclick="this.getRootNode().host.stopMonitoring()">停止监控</button>
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</div>
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<div class="status-display">监控状态: 未启动</div>
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</div>
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</div>
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<div class="content-container">
|
||
<div class="panel-section">
|
||
<h3>模型信息</h3>
|
||
<table class="model-table">
|
||
<thead>
|
||
<tr>
|
||
<th>模型名称</th>
|
||
<th>模型ID</th>
|
||
<th>状态</th>
|
||
<th>线程ID</th>
|
||
<th>节点</th>
|
||
<th>优先级</th>
|
||
<th>运行次数</th>
|
||
<th>设定频率(Hz)</th>
|
||
<th>平均频率(Hz)</th>
|
||
<th>最大频率(Hz)</th>
|
||
<th>最小频率(Hz)</th>
|
||
<th>设定周期(ms)</th>
|
||
<th>平均周期(ms)</th>
|
||
<th>最大周期(ms)</th>
|
||
<th>最小周期(ms)</th>
|
||
</tr>
|
||
</thead>
|
||
<tbody id="model-table-body"></tbody>
|
||
</table>
|
||
</div>
|
||
<div class="panel-section">
|
||
<h3>模型监控</h3>
|
||
<div class="chart-container">
|
||
<canvas id="model-chart"></canvas>
|
||
</div>
|
||
<div class="chart-controls">
|
||
<span>显示类型：</span>
|
||
<label class="switch">
|
||
<input type="checkbox" id="display-type-switch">
|
||
<span class="slider"></span>
|
||
</label>
|
||
<span id="display-type-label">频率</span>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
`;
|
||
}
|
||
|
||
// 修改 initChart 方法
|
||
initChart() {
|
||
const chartElement = this.shadowRoot.querySelector('#model-chart');
|
||
if (!chartElement) {
|
||
console.error('找不到图表元素');
|
||
return;
|
||
}
|
||
|
||
// 确保 Chart.js 已加载
|
||
if (typeof Chart === 'undefined') {
|
||
console.error('Chart.js 未加载');
|
||
return;
|
||
}
|
||
|
||
try {
|
||
// 创建图表实例
|
||
const ctx = chartElement.getContext('2d');
|
||
if (!ctx) {
|
||
console.error('无法获取 canvas 上下文');
|
||
return;
|
||
}
|
||
|
||
// 销毁已存在的图表实例
|
||
if (this.chart) {
|
||
this.chart.destroy();
|
||
this.chart = null;
|
||
}
|
||
|
||
// 创建新的图表实例
|
||
this.chart = new Chart(ctx, {
|
||
type: 'line',
|
||
data: {
|
||
labels: [],
|
||
datasets: []
|
||
},
|
||
options: {
|
||
responsive: true,
|
||
maintainAspectRatio: false,
|
||
scales: {
|
||
y: {
|
||
beginAtZero: true
|
||
}
|
||
},
|
||
animation: false,
|
||
plugins: {
|
||
legend: {
|
||
display: true
|
||
},
|
||
tooltip: {
|
||
enabled: false
|
||
}
|
||
}
|
||
}
|
||
});
|
||
|
||
// 监听显示类型切换
|
||
const switchInput = this.shadowRoot.querySelector('#display-type-switch');
|
||
const displayTypeLabel = this.shadowRoot.querySelector('#display-type-label');
|
||
|
||
if (switchInput && displayTypeLabel) {
|
||
switchInput.addEventListener('change', (e) => {
|
||
const isFrequency = e.target.checked;
|
||
displayTypeLabel.textContent = isFrequency ? '频率' : '周期';
|
||
this.updateChartDisplayType(isFrequency);
|
||
});
|
||
}
|
||
} catch (error) {
|
||
console.error('初始化图表失败:', error);
|
||
this.chart = null;
|
||
}
|
||
}
|
||
|
||
updateChartData() {
|
||
if (!this.chart || !this.modelInfo || !Array.isArray(this.modelInfo)) {
|
||
return;
|
||
}
|
||
|
||
const isFrequency = this.shadowRoot.querySelector('#display-type-switch').checked;
|
||
const currentTime = new Date().toLocaleTimeString();
|
||
|
||
// 确保图表数据集存在
|
||
if (!this.chart.data.datasets || this.chart.data.datasets.length === 0) {
|
||
this.updateChartDisplayType(isFrequency);
|
||
}
|
||
|
||
// 更新数据
|
||
const newData = {
|
||
labels: [...this.chart.data.labels, currentTime].slice(-30),
|
||
datasets: this.modelInfo.map((model, index) => {
|
||
const dataset = this.chart.data.datasets[index] || {
|
||
label: model.name,
|
||
data: [],
|
||
borderColor: this.getRandomColor(),
|
||
fill: false
|
||
};
|
||
|
||
const value = isFrequency ? (model.currentFrequency || 0) : (model.currentPeriod || 0);
|
||
dataset.data = [...dataset.data, value].slice(-30);
|
||
|
||
return dataset;
|
||
})
|
||
};
|
||
|
||
// 使用新数据更新图表
|
||
this.chart.data = newData;
|
||
this.chart.update('none'); // 使用 'none' 模式更新，避免触发动画和事件
|
||
}
|
||
|
||
updateChartDisplayType(isFrequency) {
|
||
if (!this.modelInfo) return;
|
||
|
||
const datasets = this.modelInfo.map(model => ({
|
||
label: model.name,
|
||
data: [],
|
||
borderColor: this.getRandomColor(),
|
||
fill: false
|
||
}));
|
||
|
||
this.chart.data.datasets = datasets;
|
||
this.chart.update('none'); // 使用 'none' 模式更新
|
||
}
|
||
|
||
getRandomColor() {
|
||
const letters = '0123456789ABCDEF';
|
||
let color = '#';
|
||
for (let i = 0; i < 6; i++) {
|
||
color += letters[Math.floor(Math.random() * 16)];
|
||
}
|
||
return color;
|
||
}
|
||
}
|
||
|
||
customElements.define('model-monitor', ModelMonitor);
|