94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
package main
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import (
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"context"
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"errors"
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"fmt"
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"net"
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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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"git.asio.asia/nixevol/NixMsg/internal/config"
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"git.asio.asia/nixevol/NixMsg/internal/store"
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"git.asio.asia/nixevol/NixMsg/web"
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)
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func cmdServe(_ []string) error {
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cfgPath := config.PathFromEnv()
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cfg, err := config.Load(cfgPath)
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if err != nil {
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return err
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}
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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return runServe(ctx, cfg)
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}
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func runServe(ctx context.Context, cfg config.Config) error {
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wire()
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if err := os.MkdirAll(cfg.DataDir, 0o755); err != nil {
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return fmt.Errorf("mkdir data_dir: %w", err)
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}
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db, err := store.Open(cfg.DataDir, cfg.SQLiteSynchronous)
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if err != nil {
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return err
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}
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defer func() { _ = db.Close() }()
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mux := http.NewServeMux()
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mux.HandleFunc("GET /healthz", func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write([]byte("ok"))
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})
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// 确保前端资源被链接进二进制；完整静态托管由后续任务完善。
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_ = web.Dist()
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ln, err := net.Listen("tcp", cfg.Listen)
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if err != nil {
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return fmt.Errorf("listen %s: %w", cfg.Listen, err)
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}
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if err := writeListenAddr(cfg.DataDir, ln.Addr().String()); err != nil {
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_ = ln.Close()
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return err
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}
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srv := &http.Server{
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Handler: mux,
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ReadHeaderTimeout: 10 * time.Second,
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}
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errCh := make(chan error, 1)
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go func() {
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errCh <- srv.Serve(ln)
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}()
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select {
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case <-ctx.Done():
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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_ = srv.Shutdown(shutdownCtx)
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serveErr := <-errCh
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if serveErr != nil && !errors.Is(serveErr, http.ErrServerClosed) {
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return serveErr
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}
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return nil
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case serveErr := <-errCh:
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if errors.Is(serveErr, http.ErrServerClosed) {
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return nil
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}
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return serveErr
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}
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}
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func writeListenAddr(dataDir, addr string) error {
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path := filepath.Join(dataDir, "listen.addr")
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return os.WriteFile(path, []byte(addr+"\n"), 0o644)
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}
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