mirror of
https://github.com/Sagit-chu/flvx.git
synced 2026-09-28 07:36:38 +08:00
qaq
753 lines
19 KiB
Go
753 lines
19 KiB
Go
package socket
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/url"
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"strings"
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"time"
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"github.com/go-gost/x/config"
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"github.com/gorilla/websocket"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/host"
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"github.com/shirou/gopsutil/v3/mem"
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psnet "github.com/shirou/gopsutil/v3/net"
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)
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// SystemInfo 系统信息结构体
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type SystemInfo struct {
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Uptime uint64 `json:"uptime"` // 开机时间 （秒）
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BytesReceived uint64 `json:"bytes_received"` // 接收字节数
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BytesTransmitted uint64 `json:"bytes_transmitted"` // 发送字节数
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CPUUsage float64 `json:"cpu_usage"` // CPU使用率（百分比）
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MemoryUsage float64 `json:"memory_usage"` // 内存使用率（百分比）
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}
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// NetworkStats 网络统计信息
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type NetworkStats struct {
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BytesReceived uint64 `json:"bytes_received"` // 接收字节数
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BytesTransmitted uint64 `json:"bytes_transmitted"` // 发送字节数
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}
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// CPUInfo CPU信息
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type CPUInfo struct {
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Usage float64 `json:"usage"` // CPU使用率（百分比）
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}
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// MemoryInfo 内存信息
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type MemoryInfo struct {
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Usage float64 `json:"usage"` // 内存使用率（百分比）
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}
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// CommandMessage 命令消息结构体
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type CommandMessage struct {
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Type string `json:"type"`
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Data interface{} `json:"data"`
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RequestId string `json:"requestId,omitempty"`
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}
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// CommandResponse 命令响应结构体
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type CommandResponse struct {
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Type string `json:"type"`
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Success bool `json:"success"`
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Message string `json:"message"`
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Data interface{} `json:"data,omitempty"`
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RequestId string `json:"requestId,omitempty"`
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}
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type WebSocketReporter struct {
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url string
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conn *websocket.Conn
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reconnectTime time.Duration
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pingInterval time.Duration
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configInterval time.Duration
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ctx context.Context
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cancel context.CancelFunc
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connected bool
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}
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// NewWebSocketReporter 创建一个新的WebSocket报告器
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func NewWebSocketReporter(serverURL string) *WebSocketReporter {
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ctx, cancel := context.WithCancel(context.Background())
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return &WebSocketReporter{
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url: serverURL,
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reconnectTime: 5 * time.Second, // 重连间隔
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pingInterval: 2 * time.Second, // 发送间隔改为2秒
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configInterval: 10 * time.Minute, // 配置上报间隔
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ctx: ctx,
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cancel: cancel,
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connected: false,
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}
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}
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// Start 启动WebSocket报告器
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func (w *WebSocketReporter) Start() {
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go w.run()
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}
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// Stop 停止WebSocket报告器
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func (w *WebSocketReporter) Stop() {
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w.cancel()
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if w.conn != nil {
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w.conn.Close()
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}
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}
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// run 主运行循环
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func (w *WebSocketReporter) run() {
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for {
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select {
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case <-w.ctx.Done():
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return
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default:
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if err := w.connect(); err != nil {
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fmt.Printf("❌ WebSocket连接失败: %v，%v后重试\n", err, w.reconnectTime)
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select {
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case <-time.After(w.reconnectTime):
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continue
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case <-w.ctx.Done():
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return
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}
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}
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// 连接成功，开始发送消息
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w.handleConnection()
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}
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}
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}
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// connect 建立WebSocket连接
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func (w *WebSocketReporter) connect() error {
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u, err := url.Parse(w.url)
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if err != nil {
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return fmt.Errorf("解析URL失败: %v", err)
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}
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dialer := websocket.DefaultDialer
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dialer.HandshakeTimeout = 10 * time.Second
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conn, _, err := dialer.Dial(u.String(), nil)
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if err != nil {
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return fmt.Errorf("连接WebSocket失败: %v", err)
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}
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w.conn = conn
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w.connected = true
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// 设置关闭处理器来检测连接状态
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w.conn.SetCloseHandler(func(code int, text string) error {
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w.connected = false
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return nil
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})
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return nil
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}
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// handleConnection 处理WebSocket连接
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func (w *WebSocketReporter) handleConnection() {
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defer func() {
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if w.conn != nil {
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w.conn.Close()
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w.conn = nil
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}
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w.connected = false
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}()
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// 启动消息接收goroutine
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go w.receiveMessages()
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// 启动配置上报goroutine
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go w.reportConfig()
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// 主发送循环
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ticker := time.NewTicker(w.pingInterval)
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defer ticker.Stop()
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for {
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select {
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case <-w.ctx.Done():
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return
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case <-ticker.C:
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// 检查连接状态
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if !w.connected {
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return
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}
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// 获取系统信息并发送
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sysInfo := w.collectSystemInfo()
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if err := w.sendSystemInfo(sysInfo); err != nil {
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fmt.Printf("❌ 发送系统信息失败: %v，准备重连\n", err)
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return
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}
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}
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}
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}
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// collectSystemInfo 收集系统信息
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func (w *WebSocketReporter) collectSystemInfo() SystemInfo {
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networkStats := getNetworkStats()
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cpuInfo := getCPUInfo()
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memoryInfo := getMemoryInfo()
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return SystemInfo{
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Uptime: getUptime(),
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BytesReceived: networkStats.BytesReceived,
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BytesTransmitted: networkStats.BytesTransmitted,
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CPUUsage: cpuInfo.Usage,
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MemoryUsage: memoryInfo.Usage,
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}
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}
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// sendSystemInfo 发送系统信息
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func (w *WebSocketReporter) sendSystemInfo(sysInfo SystemInfo) error {
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if w.conn == nil || !w.connected {
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return fmt.Errorf("连接未建立")
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}
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// 转换为JSON
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jsonData, err := json.Marshal(sysInfo)
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if err != nil {
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return fmt.Errorf("序列化系统信息失败: %v", err)
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}
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// 设置写入超时
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w.conn.SetWriteDeadline(time.Now().Add(5 * time.Second))
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if err := w.conn.WriteMessage(websocket.TextMessage, jsonData); err != nil {
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w.connected = false // 标记连接已断开
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return fmt.Errorf("写入消息失败: %v", err)
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}
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return nil
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}
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// receiveMessages 接收服务端发送的消息
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func (w *WebSocketReporter) receiveMessages() {
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for {
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select {
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case <-w.ctx.Done():
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return
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default:
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if w.conn == nil || !w.connected {
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return
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}
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// 设置读取超时
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w.conn.SetReadDeadline(time.Now().Add(30 * time.Second))
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messageType, message, err := w.conn.ReadMessage()
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if err != nil {
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if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
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fmt.Printf("❌ WebSocket读取消息错误: %v\n", err)
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}
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w.connected = false
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return
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}
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// 处理接收到的消息
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w.handleReceivedMessage(messageType, message)
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}
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}
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}
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// handleReceivedMessage 处理接收到的消息
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func (w *WebSocketReporter) handleReceivedMessage(messageType int, message []byte) {
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switch messageType {
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case websocket.TextMessage:
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// 解析命令消息
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var cmdMsg CommandMessage
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if err := json.Unmarshal(message, &cmdMsg); err != nil {
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fmt.Printf("❌ 解析命令消息失败: %v\n", err)
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w.sendErrorResponse("ParseError", fmt.Sprintf("解析命令失败: %v", err))
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return
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}
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if cmdMsg.Type != "call" {
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w.routeCommand(cmdMsg)
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}
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default:
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fmt.Printf("📨 收到未知类型消息: %d\n", messageType)
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}
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}
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// routeCommand 路由命令到对应的处理函数
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func (w *WebSocketReporter) routeCommand(cmd CommandMessage) {
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var err error
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var response CommandResponse
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// 传递 requestId
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response.RequestId = cmd.RequestId
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switch cmd.Type {
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// Service 相关命令
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case "AddService":
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err = w.handleAddService(cmd.Data)
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response.Type = "AddServiceResponse"
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case "UpdateService":
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err = w.handleUpdateService(cmd.Data)
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response.Type = "UpdateServiceResponse"
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case "DeleteService":
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err = w.handleDeleteService(cmd.Data)
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response.Type = "DeleteServiceResponse"
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case "PauseService":
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err = w.handlePauseService(cmd.Data)
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response.Type = "PauseServiceResponse"
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case "ResumeService":
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err = w.handleResumeService(cmd.Data)
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response.Type = "ResumeServiceResponse"
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// Chain 相关命令
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case "AddChains":
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err = w.handleAddChain(cmd.Data)
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response.Type = "AddChainsResponse"
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case "UpdateChains":
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err = w.handleUpdateChain(cmd.Data)
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response.Type = "UpdateChainsResponse"
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case "DeleteChains":
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err = w.handleDeleteChain(cmd.Data)
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response.Type = "DeleteChainsResponse"
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// Limiter 相关命令
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case "AddLimiters":
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err = w.handleAddLimiter(cmd.Data)
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response.Type = "AddLimitersResponse"
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case "UpdateLimiters":
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err = w.handleUpdateLimiter(cmd.Data)
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response.Type = "UpdateLimitersResponse"
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case "DeleteLimiters":
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err = w.handleDeleteLimiter(cmd.Data)
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response.Type = "DeleteLimitersResponse"
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default:
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err = fmt.Errorf("未知命令类型: %s", cmd.Type)
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response.Type = "UnknownCommandResponse"
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}
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// 发送响应
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if err != nil {
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saveConfig()
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response.Success = false
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response.Message = err.Error()
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} else {
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saveConfig()
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response.Success = true
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response.Message = "OK"
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}
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w.sendResponse(response)
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}
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// Service 命令处理函数
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func (w *WebSocketReporter) handleAddService(data interface{}) error {
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// 将 interface{} 转换为 JSON 再解析为具体类型
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var services []config.ServiceConfig
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if err := json.Unmarshal(jsonData, &services); err != nil {
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return fmt.Errorf("解析服务配置失败: %v", err)
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}
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req := createServicesRequest{Data: services}
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return createServices(req)
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}
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func (w *WebSocketReporter) handleUpdateService(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var services []config.ServiceConfig
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if err := json.Unmarshal(jsonData, &services); err != nil {
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return fmt.Errorf("解析服务配置失败: %v", err)
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}
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req := updateServicesRequest{Data: services}
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return updateServices(req)
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}
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func (w *WebSocketReporter) handleDeleteService(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var req deleteServicesRequest
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if err := json.Unmarshal(jsonData, &req); err != nil {
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return fmt.Errorf("解析删除请求失败: %v", err)
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}
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return deleteServices(req)
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}
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func (w *WebSocketReporter) handlePauseService(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var req pauseServicesRequest
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if err := json.Unmarshal(jsonData, &req); err != nil {
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return fmt.Errorf("解析暂停请求失败: %v", err)
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}
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return pauseServices(req)
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}
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func (w *WebSocketReporter) handleResumeService(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var req resumeServicesRequest
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if err := json.Unmarshal(jsonData, &req); err != nil {
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return fmt.Errorf("解析恢复请求失败: %v", err)
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}
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return resumeServices(req)
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}
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// Chain 命令处理函数
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func (w *WebSocketReporter) handleAddChain(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var chainConfig config.ChainConfig
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if err := json.Unmarshal(jsonData, &chainConfig); err != nil {
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return fmt.Errorf("解析链配置失败: %v", err)
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}
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req := createChainRequest{Data: chainConfig}
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return createChain(req)
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}
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func (w *WebSocketReporter) handleUpdateChain(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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// 对于更新操作，Java端发送的格式可能是: {"chain": "name", "data": {...}}
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var updateReq struct {
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Chain string `json:"chain"`
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Data config.ChainConfig `json:"data"`
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}
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// 尝试解析为更新请求格式
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if err := json.Unmarshal(jsonData, &updateReq); err != nil {
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// 如果失败，可能是直接的ChainConfig，从name字段获取chain名称
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var chainConfig config.ChainConfig
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if err := json.Unmarshal(jsonData, &chainConfig); err != nil {
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return fmt.Errorf("解析链配置失败: %v", err)
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}
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updateReq.Chain = chainConfig.Name
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updateReq.Data = chainConfig
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}
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req := updateChainRequest{
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Chain: updateReq.Chain,
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Data: updateReq.Data,
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}
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return updateChain(req)
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}
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func (w *WebSocketReporter) handleDeleteChain(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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// 删除操作可能是: {"chain": "name"} 或者直接是链名称字符串
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var deleteReq deleteChainRequest
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// 尝试解析为删除请求格式
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if err := json.Unmarshal(jsonData, &deleteReq); err != nil {
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// 如果失败，可能是字符串格式的名称
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var chainName string
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if err := json.Unmarshal(jsonData, &chainName); err != nil {
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return fmt.Errorf("解析链删除请求失败: %v", err)
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}
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deleteReq.Chain = chainName
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}
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return deleteChain(deleteReq)
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}
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// Limiter 命令处理函数
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func (w *WebSocketReporter) handleAddLimiter(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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var limiterConfig config.LimiterConfig
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if err := json.Unmarshal(jsonData, &limiterConfig); err != nil {
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return fmt.Errorf("解析限流器配置失败: %v", err)
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}
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req := createLimiterRequest{Data: limiterConfig}
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return createLimiter(req)
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}
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func (w *WebSocketReporter) handleUpdateLimiter(data interface{}) error {
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jsonData, err := json.Marshal(data)
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if err != nil {
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return fmt.Errorf("序列化数据失败: %v", err)
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}
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// 对于更新操作，Java端发送的格式可能是: {"limiter": "name", "data": {...}}
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var updateReq struct {
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Limiter string `json:"limiter"`
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Data config.LimiterConfig `json:"data"`
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}
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// 尝试解析为更新请求格式
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if err := json.Unmarshal(jsonData, &updateReq); err != nil {
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// 如果失败，可能是直接的LimiterConfig，从name字段获取limiter名称
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var limiterConfig config.LimiterConfig
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if err := json.Unmarshal(jsonData, &limiterConfig); err != nil {
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return fmt.Errorf("解析限流器配置失败: %v", err)
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}
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updateReq.Limiter = limiterConfig.Name
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updateReq.Data = limiterConfig
|
||
}
|
||
|
||
req := updateLimiterRequest{
|
||
Limiter: updateReq.Limiter,
|
||
Data: updateReq.Data,
|
||
}
|
||
return updateLimiter(req)
|
||
}
|
||
|
||
func (w *WebSocketReporter) handleDeleteLimiter(data interface{}) error {
|
||
jsonData, err := json.Marshal(data)
|
||
if err != nil {
|
||
return fmt.Errorf("序列化数据失败: %v", err)
|
||
}
|
||
|
||
// 删除操作可能是: {"limiter": "name"} 或者直接是限流器名称字符串
|
||
var deleteReq deleteLimiterRequest
|
||
|
||
// 尝试解析为删除请求格式
|
||
if err := json.Unmarshal(jsonData, &deleteReq); err != nil {
|
||
// 如果失败，可能是字符串格式的名称
|
||
var limiterName string
|
||
if err := json.Unmarshal(jsonData, &limiterName); err != nil {
|
||
return fmt.Errorf("解析限流器删除请求失败: %v", err)
|
||
}
|
||
deleteReq.Limiter = limiterName
|
||
}
|
||
|
||
return deleteLimiter(deleteReq)
|
||
}
|
||
|
||
// handleCall 处理服务端的call回调消息
|
||
func (w *WebSocketReporter) handleCall(data interface{}) error {
|
||
// 解析call数据
|
||
jsonData, err := json.Marshal(data)
|
||
if err != nil {
|
||
return fmt.Errorf("序列化call数据失败: %v", err)
|
||
}
|
||
|
||
// 可以根据call的具体内容进行不同的处理
|
||
var callData map[string]interface{}
|
||
if err := json.Unmarshal(jsonData, &callData); err != nil {
|
||
return fmt.Errorf("解析call数据失败: %v", err)
|
||
}
|
||
|
||
fmt.Printf("🔔 收到服务端call回调: %v\n", callData)
|
||
|
||
// 根据call的类型执行不同的操作
|
||
if callType, exists := callData["type"]; exists {
|
||
switch callType {
|
||
case "ping":
|
||
fmt.Printf("📡 收到ping，发送pong回应\n")
|
||
// 可以在这里发送pong响应
|
||
case "info_request":
|
||
fmt.Printf("📊 服务端请求额外信息\n")
|
||
// 可以在这里发送额外的系统信息
|
||
case "command":
|
||
fmt.Printf("⚡ 服务端发送执行命令\n")
|
||
// 可以在这里执行特定命令
|
||
default:
|
||
fmt.Printf("❓ 未知的call类型: %v\n", callType)
|
||
}
|
||
}
|
||
|
||
// 简单返回成功，表示call已被处理
|
||
return nil
|
||
}
|
||
|
||
// reportConfig 定时上报配置信息
|
||
func (w *WebSocketReporter) reportConfig() {
|
||
// 立即发送一次配置
|
||
w.sendConfigReport()
|
||
|
||
// 启动定时器
|
||
ticker := time.NewTicker(w.configInterval)
|
||
defer ticker.Stop()
|
||
|
||
for {
|
||
select {
|
||
case <-w.ctx.Done():
|
||
return
|
||
case <-ticker.C:
|
||
if w.connected {
|
||
w.sendConfigReport()
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// sendConfigReport 发送配置报告
|
||
func (w *WebSocketReporter) sendConfigReport() {
|
||
if w.conn == nil || !w.connected {
|
||
return
|
||
}
|
||
|
||
// 获取配置数据
|
||
configData, err := getConfig()
|
||
if err != nil {
|
||
fmt.Printf("❌ 获取配置失败: %v\n", err)
|
||
return
|
||
}
|
||
|
||
// 构建配置报告消息
|
||
configMsg := struct {
|
||
Type string `json:"type"`
|
||
Data interface{} `json:"data"`
|
||
}{
|
||
Type: "config_report",
|
||
Data: json.RawMessage(configData),
|
||
}
|
||
|
||
// 转换为JSON
|
||
jsonData, err := json.Marshal(configMsg)
|
||
if err != nil {
|
||
fmt.Printf("❌ 序列化配置报告失败: %v\n", err)
|
||
return
|
||
}
|
||
|
||
// 设置写入超时
|
||
w.conn.SetWriteDeadline(time.Now().Add(5 * time.Second))
|
||
|
||
if err := w.conn.WriteMessage(websocket.TextMessage, jsonData); err != nil {
|
||
fmt.Printf("❌ 发送配置报告失败: %v\n", err)
|
||
w.connected = false
|
||
return
|
||
}
|
||
|
||
}
|
||
|
||
// sendResponse 发送响应消息到服务端
|
||
func (w *WebSocketReporter) sendResponse(response CommandResponse) {
|
||
if w.conn == nil || !w.connected {
|
||
fmt.Printf("❌ 无法发送响应：连接未建立\n")
|
||
return
|
||
}
|
||
|
||
jsonData, err := json.Marshal(response)
|
||
if err != nil {
|
||
fmt.Printf("❌ 序列化响应失败: %v\n", err)
|
||
return
|
||
}
|
||
|
||
w.conn.SetWriteDeadline(time.Now().Add(5 * time.Second))
|
||
if err := w.conn.WriteMessage(websocket.TextMessage, jsonData); err != nil {
|
||
fmt.Printf("❌ 发送响应失败: %v\n", err)
|
||
w.connected = false
|
||
}
|
||
}
|
||
|
||
// sendErrorResponse 发送错误响应
|
||
func (w *WebSocketReporter) sendErrorResponse(responseType, message string) {
|
||
response := CommandResponse{
|
||
Type: responseType,
|
||
Success: false,
|
||
Message: message,
|
||
}
|
||
w.sendResponse(response)
|
||
}
|
||
|
||
// getUptime 获取系统开机时间（秒）
|
||
func getUptime() uint64 {
|
||
uptime, err := host.Uptime()
|
||
if err != nil {
|
||
return 0
|
||
}
|
||
return uptime
|
||
}
|
||
|
||
// getNetworkStats 获取网络统计信息
|
||
func getNetworkStats() NetworkStats {
|
||
var stats NetworkStats
|
||
|
||
ioCounters, err := psnet.IOCounters(true)
|
||
if err != nil {
|
||
fmt.Printf("获取网络统计失败: %v\n", err)
|
||
return stats
|
||
}
|
||
|
||
// 汇总所有非回环接口的流量
|
||
for _, io := range ioCounters {
|
||
// 跳过回环接口
|
||
if io.Name == "lo" || strings.HasPrefix(io.Name, "lo") {
|
||
continue
|
||
}
|
||
|
||
stats.BytesReceived += io.BytesRecv
|
||
stats.BytesTransmitted += io.BytesSent
|
||
}
|
||
|
||
return stats
|
||
}
|
||
|
||
// getCPUInfo 获取CPU信息
|
||
func getCPUInfo() CPUInfo {
|
||
var cpuInfo CPUInfo
|
||
|
||
// 获取CPU使用率
|
||
percentages, err := cpu.Percent(time.Second, false)
|
||
if err == nil && len(percentages) > 0 {
|
||
cpuInfo.Usage = percentages[0]
|
||
}
|
||
|
||
return cpuInfo
|
||
}
|
||
|
||
// getMemoryInfo 获取内存信息
|
||
func getMemoryInfo() MemoryInfo {
|
||
var memInfo MemoryInfo
|
||
|
||
vmStat, err := mem.VirtualMemory()
|
||
if err != nil {
|
||
return memInfo
|
||
}
|
||
|
||
memInfo.Usage = vmStat.UsedPercent
|
||
|
||
return memInfo
|
||
}
|
||
|
||
// StartWebSocketReporterWithConfig 使用配置启动WebSocket报告器
|
||
func StartWebSocketReporterWithConfig(Addr string, Secret string) *WebSocketReporter {
|
||
|
||
// 构建包含本机IP的WebSocket URL
|
||
var fullURL = "ws://" + Addr + "/system-info?type=1&secret=" + Secret
|
||
|
||
fmt.Printf("🔗 WebSocket连接URL: %s\n", fullURL)
|
||
|
||
reporter := NewWebSocketReporter(fullURL)
|
||
reporter.Start()
|
||
return reporter
|
||
}
|