Files
voidraft/internal/services/http_service.go
2025-06-07 21:12:07 +08:00

157 lines
3.6 KiB
Go

package services
import (
"context"
"errors"
"net/http"
"time"
"github.com/gin-gonic/gin"
"github.com/wailsapp/wails/v3/pkg/services/log"
)
// HTTPService HTTP 服务
type HTTPService struct {
logger *log.LoggerService
server *http.Server
wsService *WebSocketService
}
// NewHTTPService 创建 HTTP 服务
func NewHTTPService(logger *log.LoggerService, wsService *WebSocketService) *HTTPService {
if logger == nil {
logger = log.New()
}
return &HTTPService{
logger: logger,
wsService: wsService,
}
}
// StartServer 启动 HTTP 服务器
func (hs *HTTPService) StartServer(port string) error {
// 设置 Gin 为发布模式
gin.SetMode(gin.ReleaseMode)
// 创建 Gin 路由器
router := gin.New()
// 添加中间件
router.Use(gin.Recovery())
router.Use(hs.corsMiddleware())
// 设置路由
hs.setupRoutes(router)
// 创建 HTTP 服务器
hs.server = &http.Server{
Addr: ":" + port,
Handler: router,
ReadTimeout: 30 * time.Second,
WriteTimeout: 30 * time.Second,
IdleTimeout: 60 * time.Second,
MaxHeaderBytes: 1 << 20, // 1MB
}
hs.logger.Info("HTTP: Starting server", "port", port)
// 启动服务器
go func() {
if err := hs.server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
hs.logger.Error("HTTP: Server failed to start", "error", err)
}
}()
return nil
}
// setupRoutes 设置路由
func (hs *HTTPService) setupRoutes(router *gin.Engine) {
// WebSocket 端点
router.GET("/ws/migration", hs.handleWebSocket)
// API 端点组
api := router.Group("/api")
{
api.GET("/health", hs.handleHealth)
api.GET("/ws/clients", hs.handleWSClients)
}
}
// handleWebSocket 处理 WebSocket 连接
func (hs *HTTPService) handleWebSocket(c *gin.Context) {
if hs.wsService == nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "WebSocket service not available"})
return
}
hs.wsService.HandleUpgrade(c.Writer, c.Request)
}
// handleHealth 健康检查端点
func (hs *HTTPService) handleHealth(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{
"status": "ok",
"timestamp": time.Now().Unix(),
"service": "voidraft-http",
})
}
// handleWSClients 获取 WebSocket 客户端数量
func (hs *HTTPService) handleWSClients(c *gin.Context) {
if hs.wsService == nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "WebSocket service not available"})
return
}
count := hs.wsService.GetConnectedClientsCount()
c.JSON(http.StatusOK, gin.H{
"connected_clients": count,
})
}
// corsMiddleware CORS 中间件
func (hs *HTTPService) corsMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
c.Header("Access-Control-Allow-Origin", "*")
c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
c.Header("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Authorization")
c.Header("Access-Control-Allow-Credentials", "true")
if c.Request.Method == "OPTIONS" {
c.AbortWithStatus(204)
return
}
c.Next()
}
}
// StopServer 停止 HTTP 服务器
func (hs *HTTPService) StopServer() error {
if hs.server == nil {
return nil
}
hs.logger.Info("HTTP: Stopping server...")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
return hs.server.Shutdown(ctx)
}
// ServiceShutdown 服务关闭
func (hs *HTTPService) ServiceShutdown() error {
hs.logger.Info("HTTP: Service is shutting down...")
if err := hs.StopServer(); err != nil {
hs.logger.Error("HTTP: Failed to stop server", "error", err)
return err
}
hs.logger.Info("HTTP: Service shutdown completed")
return nil
}