305 lines
8.8 KiB
JavaScript
305 lines
8.8 KiB
JavaScript
// 服务器状态组件 - 显示CPU使用率和查询统计
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// 全局变量
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let serverStatusUpdateTimer = null;
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let previousServerData = {
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cpu: 0,
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queries: 0
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};
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// 初始化服务器状态组件
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function initServerStatusWidget() {
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// 确保DOM元素存在
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const widget = document.getElementById('server-status-widget');
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if (!widget) return;
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// 初始化页面类型检测
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updateWidgetDisplayByPageType();
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// 设置页面切换事件监听
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handlePageSwitchEvents();
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// 设置WebSocket监听(如果可用)
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setupWebSocketListeners();
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// 立即加载一次数据
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loadServerStatusData();
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// 设置定时更新(每5秒更新一次)
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serverStatusUpdateTimer = setInterval(loadServerStatusData, 5000);
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}
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// 判断当前页面是否为仪表盘
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function isCurrentPageDashboard() {
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// 方法1:检查侧边栏激活状态
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const dashboardLink = document.querySelector('.sidebar a[href="#dashboard"]');
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if (dashboardLink && dashboardLink.classList.contains('active')) {
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return true;
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}
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// 方法2:检查仪表盘特有元素
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const dashboardElements = [
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'#dashboard-container',
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'.dashboard-summary',
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'#dashboard-stats'
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];
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for (const selector of dashboardElements) {
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if (document.querySelector(selector)) {
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return true;
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}
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}
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// 方法3:检查URL哈希值
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if (window.location.hash === '#dashboard' || window.location.hash === '') {
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return true;
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}
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return false;
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}
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// 根据页面类型更新组件显示
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function updateWidgetDisplayByPageType() {
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const additionalStats = document.getElementById('server-additional-stats');
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if (!additionalStats) return;
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// 如果当前页面是仪表盘,隐藏额外统计指标
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if (isCurrentPageDashboard()) {
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additionalStats.classList.add('hidden');
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} else {
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// 非仪表盘页面,显示额外统计指标
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additionalStats.classList.remove('hidden');
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}
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}
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// 处理页面切换事件
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function handlePageSwitchEvents() {
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// 监听哈希变化(导航切换)
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window.addEventListener('hashchange', updateWidgetDisplayByPageType);
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// 监听侧边栏点击事件
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const sidebarLinks = document.querySelectorAll('.sidebar a');
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sidebarLinks.forEach(link => {
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link.addEventListener('click', function() {
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// 延迟检查,确保页面已切换
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setTimeout(updateWidgetDisplayByPageType, 100);
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});
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});
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// 监听导航菜单点击事件
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const navLinks = document.querySelectorAll('nav a');
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navLinks.forEach(link => {
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link.addEventListener('click', function() {
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setTimeout(updateWidgetDisplayByPageType, 100);
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});
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});
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}
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// 监控WebSocket连接状态
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function monitorWebSocketConnection() {
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// 如果存在WebSocket连接,监听消息
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if (window.socket) {
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window.socket.addEventListener('message', function(event) {
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try {
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const data = JSON.parse(event.data);
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if (data.type === 'status_update') {
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updateServerStatusWidget(data.payload);
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}
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} catch (error) {
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console.error('解析WebSocket消息失败:', error);
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}
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});
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}
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}
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// 设置WebSocket监听器
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function setupWebSocketListeners() {
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// 如果WebSocket已经存在
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if (window.socket) {
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monitorWebSocketConnection();
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} else {
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// 监听socket初始化事件
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window.addEventListener('socketInitialized', function() {
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monitorWebSocketConnection();
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});
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}
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}
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// 加载服务器状态数据
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async function loadServerStatusData() {
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try {
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// 使用现有的API获取系统状态
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const api = window.api || {};
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const getStatusFn = api.getStatus || function() { return Promise.resolve({}); };
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const statusData = await getStatusFn();
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if (statusData && !statusData.error) {
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updateServerStatusWidget(statusData);
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}
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} catch (error) {
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console.error('加载服务器状态数据失败:', error);
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}
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}
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// 更新服务器状态组件
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function updateServerStatusWidget(stats) {
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// 确保组件存在
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const widget = document.getElementById('server-status-widget');
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if (!widget) return;
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// 确保stats存在
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stats = stats || {};
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// 提取CPU使用率
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let cpuUsage = 0;
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if (stats.system && typeof stats.system.cpu === 'number') {
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cpuUsage = stats.system.cpu;
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} else if (typeof stats.cpuUsage === 'number') {
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cpuUsage = stats.cpuUsage;
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}
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// 提取查询统计数据
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let totalQueries = 0;
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let blockedQueries = 0;
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let allowedQueries = 0;
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if (stats.dns) {
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const allowed = typeof stats.dns.Allowed === 'number' ? stats.dns.Allowed : 0;
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const blocked = typeof stats.dns.Blocked === 'number' ? stats.dns.Blocked : 0;
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const errors = typeof stats.dns.Errors === 'number' ? stats.dns.Errors : 0;
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totalQueries = allowed + blocked + errors;
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blockedQueries = blocked;
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allowedQueries = allowed;
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} else {
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totalQueries = typeof stats.totalQueries === 'number' ? stats.totalQueries : 0;
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blockedQueries = typeof stats.blockedQueries === 'number' ? stats.blockedQueries : 0;
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allowedQueries = typeof stats.allowedQueries === 'number' ? stats.allowedQueries : 0;
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}
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// 更新CPU使用率
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const cpuValueElement = document.getElementById('server-cpu-value');
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if (cpuValueElement) {
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cpuValueElement.textContent = cpuUsage.toFixed(1) + '%';
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}
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const cpuBarElement = document.getElementById('server-cpu-bar');
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if (cpuBarElement) {
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cpuBarElement.style.width = Math.min(cpuUsage, 100) + '%';
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// 根据CPU使用率改变颜色
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if (cpuUsage > 80) {
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cpuBarElement.className = 'h-full bg-danger rounded-full';
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} else if (cpuUsage > 50) {
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cpuBarElement.className = 'h-full bg-warning rounded-full';
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} else {
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cpuBarElement.className = 'h-full bg-success rounded-full';
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}
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}
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// 更新查询量
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const queriesValueElement = document.getElementById('server-queries-value');
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if (queriesValueElement) {
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queriesValueElement.textContent = formatNumber(totalQueries);
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}
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// 计算查询量百分比(假设最大查询量为10000)
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const queryPercentage = Math.min((totalQueries / 10000) * 100, 100);
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const queriesBarElement = document.getElementById('server-queries-bar');
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if (queriesBarElement) {
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queriesBarElement.style.width = queryPercentage + '%';
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}
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// 更新额外统计指标
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const totalQueriesElement = document.getElementById('server-total-queries');
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if (totalQueriesElement) {
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totalQueriesElement.textContent = formatNumber(totalQueries);
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}
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const blockedQueriesElement = document.getElementById('server-blocked-queries');
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if (blockedQueriesElement) {
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blockedQueriesElement.textContent = formatNumber(blockedQueries);
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}
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const allowedQueriesElement = document.getElementById('server-allowed-queries');
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if (allowedQueriesElement) {
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allowedQueriesElement.textContent = formatNumber(allowedQueries);
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}
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// 添加光晕提示效果
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if (previousServerData.cpu !== cpuUsage || previousServerData.queries !== totalQueries) {
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addGlowEffect();
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}
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// 更新服务器状态指示器
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const statusIndicator = document.getElementById('server-status-indicator');
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if (statusIndicator) {
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// 检查系统状态
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if (stats.system && stats.system.status === 'error') {
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statusIndicator.className = 'inline-block w-2 h-2 bg-danger rounded-full';
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} else {
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statusIndicator.className = 'inline-block w-2 h-2 bg-success rounded-full';
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}
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}
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// 保存当前数据用于下次比较
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previousServerData = {
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cpu: cpuUsage,
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queries: totalQueries
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};
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}
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// 添加光晕提示效果
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function addGlowEffect() {
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const widget = document.getElementById('server-status-widget');
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if (!widget) return;
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// 添加光晕类
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widget.classList.add('glow-effect');
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// 2秒后移除光晕
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setTimeout(function() {
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widget.classList.remove('glow-effect');
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}, 2000);
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}
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// 格式化数字
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function formatNumber(num) {
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// 显示完整数字的最大长度阈值
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const MAX_FULL_LENGTH = 5;
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// 先获取完整数字字符串
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const fullNumStr = num.toString();
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// 如果数字长度小于等于阈值,直接返回完整数字
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if (fullNumStr.length <= MAX_FULL_LENGTH) {
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return fullNumStr;
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}
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// 否则使用缩写格式
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if (num >= 1000000) {
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return (num / 1000000).toFixed(1) + 'M';
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} else if (num >= 1000) {
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return (num / 1000).toFixed(1) + 'K';
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}
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return fullNumStr;
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}
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// 在DOM加载完成后初始化
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window.addEventListener('DOMContentLoaded', function() {
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// 延迟初始化,确保页面完全加载
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setTimeout(initServerStatusWidget, 500);
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});
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// 在页面卸载时清理资源
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window.addEventListener('beforeunload', function() {
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if (serverStatusUpdateTimer) {
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clearInterval(serverStatusUpdateTimer);
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serverStatusUpdateTimer = null;
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}
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});
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// 导出函数供其他模块使用
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window.serverStatusWidget = {
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init: initServerStatusWidget,
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update: updateServerStatusWidget
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}; |