117 lines
2.3 KiB
Go
117 lines
2.3 KiB
Go
package server
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import (
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"context"
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"net/http"
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"os"
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"os/signal"
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"sync"
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"time"
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"github.com/labstack/echo/v4"
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"github.com/rs/zerolog/log"
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"github.com/ziflex/lecho/v3"
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"dynatron.me/x/blasphem/pkg/blas"
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"dynatron.me/x/blasphem/pkg/frontend"
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conf "dynatron.me/x/blasphem/pkg/server/config"
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)
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type Server struct {
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blas.Core
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*echo.Echo
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wg sync.WaitGroup
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}
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type RouteHaver interface {
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InstallRoutes(e *echo.Echo)
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}
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func (s *Server) installRoutes() {
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s.GET("/api/websocket", s.wsHandler)
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s.Component(frontend.FrontendKey).(RouteHaver).InstallRoutes(s.Echo)
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for _, c := range s.Components() {
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if rh, ok := c.(RouteHaver); ok {
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rh.InstallRoutes(s.Echo)
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}
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}
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}
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func New(core blas.Core) (s *Server, err error) {
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s = &Server{
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Core: core,
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Echo: echo.New(),
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}
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s.Echo.Debug = true
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s.Echo.HideBanner = true
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logger := lecho.From(log.Logger)
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s.Echo.Logger = logger
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cfg := s.Conf()
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if cfg.Server.LogRequestErrors {
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s.Echo.Use(lecho.Middleware(lecho.Config{
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Logger: logger,
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}))
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}
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s.Echo.HidePort = true
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ipext := map[conf.IPSource]echo.IPExtractor{
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conf.Legacy: nil,
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conf.Direct: echo.ExtractIPDirect(),
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conf.XForwardedFor: echo.ExtractIPFromXFFHeader(),
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conf.XRealIP: echo.ExtractIPFromRealIPHeader(),
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}
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if ipext[cfg.Server.IPSource] == nil {
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log.Warn().Msg("ip_source not explicitly set")
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}
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s.Echo.IPExtractor = ipext[cfg.Server.IPSource]
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s.installRoutes()
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return s, nil
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}
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func (s *Server) Shutdown(ctx context.Context) error {
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err := s.ShutdownBlas(ctx)
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if err != nil {
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return err
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}
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return s.Echo.Shutdown(ctx)
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}
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func (s *Server) Go() error {
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s.wg.Add(1)
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go func() {
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log.Info().Str("version", s.Version()).Str("bind", s.Conf().Server.Bind).Msg("Server listening")
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err := s.Start(s.Conf().Server.Bind)
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if err != nil && err != http.ErrServerClosed {
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s.Logger.Fatal(err)
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}
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s.wg.Done()
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}()
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// Wait for interrupt signal to gracefully shutdown the server with a timeout of 10 seconds.
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// Use a buffered channel to avoid missing signals as recommended for signal.Notify
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, os.Interrupt)
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<-quit
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := s.Shutdown(ctx); err != nil {
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s.Logger.Fatal(err)
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}
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s.wg.Wait()
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s.Logger.Info("Shutdown complete")
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return nil
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}
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