611 lines
23 KiB
JavaScript
611 lines
23 KiB
JavaScript
/**
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* @class NetworkMonitor
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* @description 网络监控组件，用于监控系统网络状态和UDP数据抓包
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*/
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class NetworkMonitor 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.state = {
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ip: '127.0.0.1',
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port: 54321,
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isMonitoring: false,
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data: [],
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timer: null,
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statusMsg: '',
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selectedData: null,
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};
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}
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connectedCallback() {
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this.render();
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this.initialize();
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}
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disconnectedCallback() {
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if (this.state.timer) {
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clearInterval(this.state.timer);
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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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font-family: 'Segoe UI', 'PingFang SC', Arial, sans-serif;
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background: #f4f6fa;
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border-radius: 12px;
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box-shadow: 0 2px 12px rgba(0,0,0,0.07);
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padding: 24px 20px 20px 20px;
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width: 100%;
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min-width: 400px;
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max-width: 100%;
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height: 100%;
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overflow-y: auto;
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box-sizing: border-box;
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}
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.container {
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display: flex;
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height: 100%;
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gap: 20px;
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}
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.left-panel {
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flex: 1;
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min-width: 0;
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}
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.right-panel {
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flex: 1;
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min-width: 0;
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}
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.form-row {
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display: flex;
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align-items: center;
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gap: 16px;
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margin-bottom: 18px;
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}
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label {
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font-size: 15px;
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color: #333;
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}
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input[type="text"], input[type="number"] {
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border: 1px solid #d0d7de;
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border-radius: 6px;
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padding: 6px 12px;
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font-size: 15px;
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outline: none;
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transition: border 0.2s;
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background: #fff;
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margin-left: 4px;
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}
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input[type="text"]:focus, input[type="number"]:focus {
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border: 1.5px solid #409eff;
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}
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.status {
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display: flex;
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align-items: center;
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background: #eaf6ff;
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color: #1976d2;
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border-radius: 8px;
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padding: 8px 14px;
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margin-bottom: 16px;
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font-size: 15px;
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font-weight: 500;
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box-shadow: 0 1px 4px rgba(64,158,255,0.07);
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}
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.status::before {
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content: '\u26A1';
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margin-right: 8px;
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font-size: 18px;
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}
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button {
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border: none;
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border-radius: 6px;
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padding: 7px 20px;
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font-size: 15px;
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cursor: pointer;
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transition: background 0.2s, box-shadow 0.2s;
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box-shadow: 0 1px 4px rgba(64,158,255,0.07);
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}
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#startBtn {
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background: linear-gradient(90deg, #409eff 60%, #66b1ff 100%);
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color: #fff;
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font-weight: 600;
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}
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#startBtn:hover {
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background: linear-gradient(90deg, #1976d2 60%, #409eff 100%);
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}
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#stopBtn {
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background: #fff0f0;
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color: #e53935;
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font-weight: 600;
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border: 1px solid #ffcdd2;
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}
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#stopBtn:hover {
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background: #ffcdd2;
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}
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.monitor-status {
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margin-bottom: 14px;
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font-size: 15px;
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color: #666;
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}
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.monitor-status span {
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font-weight: bold;
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color: #43a047;
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}
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.monitor-status span.stopped {
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color: #e53935;
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}
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.data-list {
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height: calc(100% - 143px);
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min-height: 200px;
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overflow-y: auto;
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background: #fff;
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border-radius: 10px;
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border: 1px solid #e0e3e7;
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padding: 10px 0 10px 0;
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box-shadow: 0 1px 6px rgba(0,0,0,0.04);
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width: 100%;
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box-sizing: border-box;
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}
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.data-item {
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background: #f8fafc;
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border-radius: 8px;
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margin: 10px 16px;
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padding: 10px 14px 8px 14px;
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box-shadow: 0 1px 3px rgba(64,158,255,0.04);
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border-left: 4px solid #409eff;
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font-size: 14px;
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transition: box-shadow 0.2s;
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cursor: pointer;
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}
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.data-item:hover {
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box-shadow: 0 2px 8px rgba(64,158,255,0.13);
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}
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.data-item.selected {
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background: #e3f2fd;
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border-left-color: #1976d2;
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box-shadow: 0 2px 8px rgba(25,118,210,0.2);
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}
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.data-item b {
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color: #1976d2;
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}
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.detail-panel {
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background: #fff;
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border-radius: 10px;
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border: 1px solid #e0e3e7;
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padding: 20px;
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box-shadow: 0 1px 6px rgba(0,0,0,0.04);
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height: calc(100% - 40px);
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overflow-y: auto;
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}
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.detail-header {
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margin-bottom: 6px;
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padding-bottom: 4px;
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border-bottom: 2px solid #e3f2fd;
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}
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.detail-header h2 {
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margin: 0 0 10px 0;
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color: #1976d2;
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font-size: 20px;
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font-weight: 600;
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}
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.hex-content {
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background: #f8fafc;
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border-radius: 8px;
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padding: 16px;
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font-family: 'Courier New', monospace;
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font-size: 13px;
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line-height: 1.4;
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white-space: pre-wrap;
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word-break: break-all;
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border: 1px solid #e0e3e7;
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height: 250px;
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max-height: 250px;
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overflow-y: auto;
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overflow-x: hidden;
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box-sizing: border-box;
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}
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.parse-content {
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background: #f8fafc;
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border-radius: 8px;
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padding: 16px;
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font-family: 'Segoe UI', sans-serif;
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font-size: 14px;
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line-height: 1.6;
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border: 1px solid #e0e3e7;
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margin-top: 16px;
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max-height: 400px;
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overflow-y: auto;
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}
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.parse-item {
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margin-bottom: 12px;
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padding: 8px 12px;
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background: #fff;
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border-radius: 6px;
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border-left: 4px solid #409eff;
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box-shadow: 0 1px 3px rgba(0,0,0,0.05);
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}
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.parse-item b {
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color: #1976d2;
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margin-right: 8px;
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font-size: 16px;
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}
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.parse-item .hex-value {
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background: #e3f2fd;
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padding: 2px 6px;
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border-radius: 4px;
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font-family: 'Courier New', monospace;
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font-size: 12px;
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color: #1976d2;
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margin: 0 4px;
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}
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.hex-content .offset {
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color: #666;
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font-weight: bold;
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}
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.hex-content .hex {
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color: #1976d2;
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}
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.no-selection {
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text-align: center;
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padding: 60px 20px;
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color: #999;
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font-style: italic;
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font-size: 16px;
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}
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.no-selection::before {
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content: '📋';
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display: block;
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font-size: 48px;
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margin-bottom: 16px;
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}
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.nodata {
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color: #bbb;
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text-align: center;
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padding: 30px 0;
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}
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.detail-title {
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font-size: 16px;
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font-weight: 600;
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color: #2c3e50;
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margin-bottom: 4px;
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padding: 8px 0;
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border-bottom: 2px solid #409eff;
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}
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</style>
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<div class="container">
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<div class="left-panel">
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<div class="status">${this.state.statusMsg}</div>
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<div class="form-row">
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<label>IP: <input type="text" id="ip" value="${this.state.ip}" /></label>
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<label>端口: <input type="number" id="port" value="${this.state.port}" min="1024" max="65535" /></label>
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<button id="startBtn">开始抓包</button>
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<button id="stopBtn">停止抓包</button>
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</div>
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<div class="monitor-status">抓包状态：<span id="monitorStatus" class="${this.state.isMonitoring ? '' : 'stopped'}">${this.state.isMonitoring ? '运行中' : '已停止'}</span></div>
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<div class="data-list" id="dataList"></div>
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</div>
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<div class="right-panel">
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<div class="detail-panel">
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<div class="detail-header">
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<h2>UDP数据包详情</h2>
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</div>
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<div id="detailContent">
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<div class="no-selection">请从左侧选择一个数据包查看详情</div>
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</div>
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</div>
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</div>
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</div>
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`;
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this.shadowRoot.getElementById('startBtn').onclick = () => this.startMonitor();
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this.shadowRoot.getElementById('stopBtn').onclick = () => this.stopMonitor();
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this.shadowRoot.getElementById('ip').onchange = (e) => {
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this.state.ip = e.target.value;
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};
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this.shadowRoot.getElementById('port').onchange = (e) => {
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this.state.port = parseInt(e.target.value, 10);
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};
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this.renderDataList();
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}
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renderDataList() {
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const dataList = this.shadowRoot.getElementById('dataList');
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if (!dataList) return;
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if (!this.state.data.length) {
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dataList.innerHTML = '<div class="nodata">暂无数据</div>';
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return;
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}
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dataList.innerHTML = this.state.data.map((item, index) => `
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<div class="data-item ${this.state.selectedData === index ? 'selected' : ''}" data-index="${index}">
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<table style="width: 100%; border-collapse: collapse;">
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<tr>
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<td style="width: 40%; padding: 2px 0;"><b>时间:</b> ${new Date(item.timestamp).toLocaleString('zh-CN', {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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fractionalSecondDigits: 3
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})}</td>
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<td style="width: 35%; padding: 2px 0;"><b>来源:</b> ${item.source}</td>
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<td style="width: 25%; padding: 2px 0;"><b>大小:</b> ${item.length || this.getDataSize(item.data)} 字节</td>
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</tr>
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</table>
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</div>
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`).join('');
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// 添加点击事件
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dataList.querySelectorAll('.data-item').forEach(item => {
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item.addEventListener('click', (e) => {
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const index = parseInt(e.currentTarget.dataset.index);
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this.selectDataItem(index);
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});
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});
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}
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getDataSize(data) {
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// 如果数据是十六进制字符串，每两个字符代表一个字节
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if (typeof data === 'string' && /^[0-9a-fA-F]+$/.test(data)) {
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return Math.ceil(data.length / 2);
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}
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return 0;
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}
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formatDataAsHex(data) {
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// 如果数据是十六进制字符串，直接处理
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if (typeof data === 'string' && /^[0-9a-fA-F]+$/.test(data)) {
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const bytes = [];
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for (let i = 0; i < data.length; i += 2) {
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const byte = parseInt(data.substr(i, 2), 16);
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bytes.push(byte);
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}
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// 分行显示，每行16个字节
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const bytesPerLine = 16;
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const lines = [];
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for (let i = 0; i < bytes.length; i += bytesPerLine) {
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const lineBytes = bytes.slice(i, i + bytesPerLine);
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const lineHex = lineBytes.map(byte => byte.toString(16).padStart(2, '0')).join(' ');
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const offset = i.toString(16).padStart(4, '0').toUpperCase();
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lines.push(`${offset}: ${lineHex}`);
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}
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return lines.join('\n');
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}
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return '无效数据格式';
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}
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setStatus(msg) {
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this.state.statusMsg = msg;
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this.render();
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}
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async startMonitor() {
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this.setStatus('正在启动UDP抓包...');
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try {
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const res = await fetch('/api/udp-monitor/start', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ ip: this.state.ip, port: this.state.port })
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});
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const data = await res.json();
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if (data.success) {
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this.state.isMonitoring = true;
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this.setStatus(data.message || 'UDP抓包已启动');
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this.startPolling();
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} else {
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this.state.isMonitoring = false;
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this.setStatus(data.error || '启动失败');
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}
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} catch (e) {
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this.state.isMonitoring = false;
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this.setStatus('启动UDP抓包失败: ' + e.message);
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}
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this.render();
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}
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async stopMonitor() {
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this.setStatus('正在停止UDP抓包...');
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try {
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const res = await fetch('/api/udp-monitor/stop', { method: 'POST' });
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const data = await res.json();
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this.state.isMonitoring = false;
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this.setStatus(data.message || 'UDP抓包已停止');
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if (this.state.timer) {
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clearInterval(this.state.timer);
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this.state.timer = null;
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}
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} catch (e) {
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this.setStatus('停止UDP抓包失败: ' + e.message);
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}
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this.render();
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}
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startPolling() {
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if (this.state.timer) clearInterval(this.state.timer);
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this.state.timer = setInterval(() => this.fetchData(), 1000);
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}
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async fetchData() {
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if (!this.state.isMonitoring) return;
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try {
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const res = await fetch('/api/udp-monitor/data');
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const data = await res.json();
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if (data.success) {
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if (Array.isArray(data.data) && data.data.length > 0) {
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this.state.data = this.state.data.concat(data.data);
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// 最多只保留1000条
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if (this.state.data.length > 1000) {
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this.state.data = this.state.data.slice(-1000);
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}
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this.renderDataList();
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this.updateDetailContent();
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}
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this.state.isMonitoring = data.isMonitoring;
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this.shadowRoot.getElementById('monitorStatus').textContent = data.isMonitoring ? '运行中' : '已停止';
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}
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} catch (e) {
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this.setStatus('获取UDP数据失败: ' + e.message);
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}
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}
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initialize() {
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this.setStatus('请设置IP和端口后点击开始抓包');
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// 检查当前监控状态
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fetch('/api/udp-monitor/status').then(res => res.json()).then(data => {
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if (data.success && data.isMonitoring) {
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this.state.isMonitoring = true;
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this.state.ip = data.ip || this.state.ip;
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this.state.port = data.port || this.state.port;
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this.setStatus('UDP抓包已在运行');
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this.startPolling();
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this.render();
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}
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});
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}
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reactivate() {
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this.initialize();
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}
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selectDataItem(index) {
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this.state.selectedData = index;
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this.renderDataList();
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this.updateDetailContent();
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}
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updateDetailContent() {
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const detailContent = this.shadowRoot.getElementById('detailContent');
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if (!detailContent) return;
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if (this.state.selectedData === null || !this.state.data[this.state.selectedData]) {
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detailContent.innerHTML = '<div class="no-selection">请从左侧选择一个数据包查看详情</div>';
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return;
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}
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const item = this.state.data[this.state.selectedData];
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detailContent.innerHTML = `
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<div class="hex-content">${this.formatHexContent(item.data)}</div>
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<div class="parse-content">
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${this.formatParseContent(item.data)}
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</div>
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`;
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}
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getPacketIndex(packet) {
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// 这里可以根据需要实现数据包序号逻辑
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return Math.floor(Math.random() * 1000) + 1;
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}
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formatHexContent(data) {
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// 如果数据是十六进制字符串，直接处理
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if (typeof data === 'string' && /^[0-9a-fA-F]+$/.test(data)) {
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const bytes = [];
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for (let i = 0; i < data.length; i += 2) {
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const byte = parseInt(data.substr(i, 2), 16);
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bytes.push(byte);
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}
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// 分行显示，每行16个字节
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const bytesPerLine = 16;
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const lines = [];
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||
|
||
for (let i = 0; i < bytes.length; i += bytesPerLine) {
|
||
const lineBytes = bytes.slice(i, i + bytesPerLine);
|
||
const lineHex = lineBytes.map(byte => byte.toString(16).padStart(2, '0')).join(' ');
|
||
const offset = i.toString(16).padStart(4, '0').toUpperCase();
|
||
lines.push(`${offset}: ${lineHex}`);
|
||
}
|
||
|
||
return lines.join('\n');
|
||
}
|
||
|
||
return '无效数据格式';
|
||
}
|
||
|
||
formatParseContent(data) {
|
||
if (typeof data !== 'string' || !/^[0-9a-fA-F]+$/.test(data) || data.length < 14) {
|
||
return '<div class="parse-item">数据包长度不足，无法解析</div>';
|
||
}
|
||
|
||
const bytes = [];
|
||
for (let i = 0; i < data.length; i += 2) {
|
||
const byte = parseInt(data.substr(i, 2), 16);
|
||
bytes.push(byte);
|
||
}
|
||
|
||
// 解析数据包头
|
||
const header = bytes.slice(0, 6); // 前6个字节
|
||
const sizeBytes = bytes.slice(6, 8); // 第7-8个字节表示数据包大小
|
||
|
||
let parseResult = '<div style="margin-bottom: 12px;"><b style="color: #1976d2; font-size: 16px;">数据包头解析</b></div>';
|
||
|
||
// 1. a6-XNSim数据
|
||
parseResult += `<div class="parse-item"><b>1.</b> <span class="hex-value">${header[0].toString(16).padStart(2, '0')}</span> - XNSim数据</div>`;
|
||
|
||
// 2. c0-C909数据 c1-C919数据
|
||
const dataType = header[1];
|
||
let dataTypeDesc = '';
|
||
if (dataType === 0xc0) {
|
||
dataTypeDesc = 'C909数据';
|
||
} else if (dataType === 0xc1) {
|
||
dataTypeDesc = 'C919数据';
|
||
} else {
|
||
dataTypeDesc = `未知数据类型(${dataType.toString(16).padStart(2, '0')})`;
|
||
}
|
||
parseResult += `<div class="parse-item"><b>2.</b> <span class="hex-value">${dataType.toString(16).padStart(2, '0')}</span> - ${dataTypeDesc}</div>`;
|
||
|
||
// 3. ATA章节号
|
||
const ataChapter = header[2];
|
||
parseResult += `<div class="parse-item"><b>3.</b> <span class="hex-value">${ataChapter.toString(16).padStart(2, '0')}</span> - ATA章节号 (ATA${ataChapter.toString().padStart(2, '0')})</div>`;
|
||
|
||
// 4. 模型编号
|
||
const modelNumber = header[3];
|
||
parseResult += `<div class="parse-item"><b>4.</b> <span class="hex-value">${modelNumber.toString(16).padStart(2, '0')}</span> - 模型编号 (${modelNumber})</div>`;
|
||
|
||
// 5. 结构体类别
|
||
const structType = header[4];
|
||
let structTypeDesc = '';
|
||
switch (structType) {
|
||
case 0x00:
|
||
structTypeDesc = '输入结构体';
|
||
break;
|
||
case 0x01:
|
||
structTypeDesc = '输出结构体';
|
||
break;
|
||
case 0x02:
|
||
structTypeDesc = '心跳结构体';
|
||
break;
|
||
default:
|
||
structTypeDesc = `未知结构体类型(${structType.toString(16).padStart(2, '0')})`;
|
||
}
|
||
parseResult += `<div class="parse-item"><b>5.</b> <span class="hex-value">${structType.toString(16).padStart(2, '0')}</span> - 结构体类别 (${structTypeDesc})</div>`;
|
||
|
||
// 6. 数据传输方向
|
||
const direction = header[5];
|
||
let directionDesc = '';
|
||
switch (direction) {
|
||
case 0x00:
|
||
directionDesc = '输入';
|
||
break;
|
||
case 0x01:
|
||
directionDesc = '输出';
|
||
break;
|
||
default:
|
||
directionDesc = `未知方向(${direction.toString(16).padStart(2, '0')})`;
|
||
}
|
||
parseResult += `<div class="parse-item"><b>6.</b> <span class="hex-value">${direction.toString(16).padStart(2, '0')}</span> - 数据传输方向 (${directionDesc})</div>`;
|
||
|
||
// 7. 数据包大小
|
||
const packetSize = (sizeBytes[0] << 8) | sizeBytes[1];
|
||
parseResult += `<div class="parse-item"><b>7.</b> <span class="hex-value">${sizeBytes[0].toString(16).padStart(2, '0')} ${sizeBytes[1].toString(16).padStart(2, '0')}</span> - 数据包大小 (${packetSize} 字节)</div>`;
|
||
|
||
return parseResult;
|
||
}
|
||
}
|
||
|
||
customElements.define('network-monitor', NetworkMonitor); |