agent
255e8dcf71
Frontend C++ ImGui (main.cpp + 4 paneles) + backend Go (HTTP + SQLite + fsnotify + SSE). Reusa parse/scan/watch funcs del registry (issue 0130a).
108 lines
2.3 KiB
Go
108 lines
2.3 KiB
Go
package main
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import (
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"context"
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"database/sql"
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"embed"
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"flag"
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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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"path/filepath"
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"syscall"
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"time"
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)
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//go:embed migrations/*.sql
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var migrationsFS embed.FS
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type Server struct {
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db *sql.DB
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issuesDir string
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flowsDir string
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hub *SSEHub
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}
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func main() {
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port := flag.Int("port", 8487, "HTTP port")
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dbPath := flag.String("db", "operations.db", "SQLite path")
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registryRoot := flag.String("registry", "", "fn_registry root (default: auto-detect from cwd)")
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flag.Parse()
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root := *registryRoot
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if root == "" {
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root = detectRegistryRoot()
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}
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issuesDir := filepath.Join(root, "dev", "issues")
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flowsDir := filepath.Join(root, "dev", "flows")
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for _, d := range []string{issuesDir, flowsDir} {
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if _, err := os.Stat(d); err != nil {
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log.Fatalf("missing dir %s: %v", d, err)
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}
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}
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db, err := openDB(*dbPath)
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if err != nil {
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log.Fatalf("openDB: %v", err)
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}
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defer db.Close()
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if err := applyMigrations(db); err != nil {
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log.Fatalf("applyMigrations: %v", err)
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}
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srv := &Server{
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db: db,
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issuesDir: issuesDir,
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flowsDir: flowsDir,
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hub: newSSEHub(),
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}
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if err := srv.ingestAll(); err != nil {
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log.Fatalf("initial ingest: %v", err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go srv.watchLoop(ctx, srv.issuesDir, "issue")
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go srv.watchLoop(ctx, srv.flowsDir, "flow")
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mux := http.NewServeMux()
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srv.registerRoutes(mux)
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httpSrv := &http.Server{
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Addr: fmt.Sprintf(":%d", *port),
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Handler: withMiddleware(mux),
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 30 * time.Second,
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}
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go func() {
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log.Printf("kanban_cpp_backend listening on :%d (registry=%s)", *port, root)
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if err := httpSrv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("listen: %v", err)
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}
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}()
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sig := make(chan os.Signal, 1)
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signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
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<-sig
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log.Println("shutdown")
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shutdownCtx, cancelShutdown := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancelShutdown()
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httpSrv.Shutdown(shutdownCtx)
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}
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func detectRegistryRoot() string {
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wd, _ := os.Getwd()
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for d := wd; d != "/" && d != "."; d = filepath.Dir(d) {
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if _, err := os.Stat(filepath.Join(d, "registry.db")); err == nil {
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return d
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}
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}
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log.Fatalf("could not auto-detect fn_registry root from %s", wd)
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return ""
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}
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