mirror of
https://github.com/Tencent/WeKnora.git
synced 2026-10-16 06:59:02 +08:00
124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
// Package main is the main package for the WeKnora server
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// It contains the main function and the entry point for the server
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//
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// @title WeKnora API
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// @version 1.0
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// @description WeKnora 知识库管理系统 API 文档
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// @termsOfService http://swagger.io/terms/
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//
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// @contact.name WeKnora Github
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// @contact.url https://github.com/Tencent/WeKnora
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//
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// @BasePath /api/v1
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//
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// @securityDefinitions.apikey Bearer
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// @in header
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// @name Authorization
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// @description 用户登录认证：输入 Bearer {token} 格式的 JWT 令牌
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// @securityDefinitions.apikey ApiKeyAuth
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// @in header
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// @name X-API-Key
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// @description 租户身份认证：输入 sk- 开头的 API Key
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package main
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"os/signal"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/Tencent/WeKnora/internal/config"
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"github.com/Tencent/WeKnora/internal/container"
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"github.com/Tencent/WeKnora/internal/logger"
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"github.com/Tencent/WeKnora/internal/runtime"
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"github.com/Tencent/WeKnora/internal/tracing"
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"github.com/Tencent/WeKnora/internal/types/interfaces"
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)
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func main() {
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// Set Gin mode
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if os.Getenv("GIN_MODE") == "release" {
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gin.SetMode(gin.ReleaseMode)
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} else {
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gin.SetMode(gin.DebugMode)
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}
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// Build dependency injection container
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c := container.BuildContainer(runtime.GetContainer())
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// Run application
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err := c.Invoke(func(
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cfg *config.Config,
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router *gin.Engine,
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tracer *tracing.Tracer,
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resourceCleaner interfaces.ResourceCleaner,
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) error {
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// Create HTTP server
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server := &http.Server{
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Handler: router,
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}
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addr := fmt.Sprintf("%s:%d", cfg.Server.Host, cfg.Server.Port)
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listener, err := listenWithRetry(addr, 10, 300*time.Millisecond)
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if err != nil {
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return fmt.Errorf("failed to start server: %v", err)
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}
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ctx, done := context.WithCancel(context.Background())
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signals := make(chan os.Signal, 1)
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signal.Notify(signals, shutdownSignals...)
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go func() {
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sig := <-signals
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logger.Infof(context.Background(), "Received signal: %v, starting server shutdown...", sig)
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// Close listener first to release port immediately,
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// so the next process can bind during our graceful drain.
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listener.Close()
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shutdownTimeout := cfg.Server.ShutdownTimeout
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if shutdownTimeout == 0 {
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shutdownTimeout = 30 * time.Second
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}
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shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), shutdownTimeout)
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defer shutdownCancel()
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// Second signal → force close all connections immediately
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go func() {
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sig := <-signals
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logger.Warnf(context.Background(), "Received second signal: %v, forcing shutdown...", sig)
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server.Close()
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}()
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if err := server.Shutdown(shutdownCtx); err != nil {
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logger.Errorf(context.Background(), "Server forced to shutdown: %v", err)
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server.Close()
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}
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logger.Info(context.Background(), "Cleaning up resources...")
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errs := resourceCleaner.Cleanup(shutdownCtx)
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if len(errs) > 0 {
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logger.Errorf(context.Background(), "Errors occurred during resource cleanup: %v", errs)
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}
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logger.Info(context.Background(), "Server has exited")
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done()
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}()
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logger.Infof(context.Background(), "Server is running at %s", addr)
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if err := server.Serve(listener); err != nil && err != http.ErrServerClosed {
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return fmt.Errorf("server error: %v", err)
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}
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<-ctx.Done()
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return nil
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})
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if err != nil {
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logger.Fatalf(context.Background(), "Failed to run application: %v", err)
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}
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}
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