99 lines
2.7 KiB
Go
99 lines
2.7 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/gorilla/mux"
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"github.com/ishikabhoyar/monaco/new-backend/api"
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"github.com/ishikabhoyar/monaco/new-backend/config"
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"github.com/ishikabhoyar/monaco/new-backend/executor"
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"github.com/ishikabhoyar/monaco/new-backend/utils"
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"github.com/rs/cors"
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)
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func main() {
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// Configure logging
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log.SetFlags(log.LstdFlags | log.Lshortfile | log.Lmicroseconds)
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log.Println("Starting Monaco Code Execution Server...")
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// Check if Docker is available
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if !utils.DockerAvailable() {
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log.Fatal("Docker is required but not available on this system")
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}
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// Load configuration
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cfg := config.GetConfig()
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log.Printf("Loaded configuration (max workers: %d, queue capacity: %d)",
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cfg.Executor.ConcurrentExecutions, cfg.Executor.QueueCapacity)
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// Initialize code executor
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codeExecutor := executor.NewCodeExecutor(cfg)
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log.Println("Code executor initialized")
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// Initialize API handler
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handler := api.NewHandler(codeExecutor)
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// Setup router with middleware
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router := mux.NewRouter()
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// Register API routes
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handler.RegisterRoutes(router)
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// Add a simple welcome route
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router.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, "Monaco Code Execution Server v1.0.0")
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})
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// Configure CORS
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corsHandler := cors.New(cors.Options{
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AllowedOrigins: []string{"*"}, // For development - restrict in production
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AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
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AllowedHeaders: []string{"Content-Type", "Authorization"},
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AllowCredentials: true,
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MaxAge: 300, // Maximum cache time for preflight requests
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})
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// Create server with timeouts
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server := &http.Server{
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Addr: ":" + cfg.Server.Port,
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Handler: corsHandler.Handler(router),
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ReadTimeout: cfg.Server.ReadTimeout,
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WriteTimeout: cfg.Server.WriteTimeout,
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IdleTimeout: cfg.Server.IdleTimeout,
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}
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// Channel for graceful shutdown
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
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// Start server in a goroutine
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go func() {
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log.Printf("Server listening on port %s", cfg.Server.Port)
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if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("Error starting server: %v", err)
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}
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}()
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// Wait for interrupt signal
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<-stop
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log.Println("Shutting down server...")
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// Create context with timeout for graceful shutdown
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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// Shutdown server gracefully
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if err := server.Shutdown(ctx); err != nil {
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log.Fatalf("Server shutdown error: %v", err)
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}
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log.Println("Server stopped gracefully")
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}
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