55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package httpproxy
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import (
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"context"
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"net/http"
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"sync"
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"time"
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"github.com/qdm12/golibs/logging"
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)
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type Server interface {
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Run(ctx context.Context, wg *sync.WaitGroup)
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}
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type server struct {
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address string
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handler http.Handler
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logger logging.Logger
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internalWG *sync.WaitGroup
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}
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func New(ctx context.Context, address string, logger logging.Logger,
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stealth, verbose bool, username, password string) Server {
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wg := &sync.WaitGroup{}
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return &server{
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address: address,
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handler: newHandler(ctx, wg, logger, stealth, verbose, username, password),
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logger: logger,
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internalWG: wg,
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}
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}
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func (s *server) Run(ctx context.Context, wg *sync.WaitGroup) {
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defer wg.Done()
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server := http.Server{Addr: s.address, Handler: s.handler}
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go func() {
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<-ctx.Done()
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s.logger.Warn("context canceled: exiting loop")
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defer s.logger.Warn("loop exited")
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const shutdownGraceDuration = 2 * time.Second
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shutdownCtx, cancel := context.WithTimeout(context.Background(), shutdownGraceDuration)
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defer cancel()
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if err := server.Shutdown(shutdownCtx); err != nil {
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s.logger.Error("failed shutting down: %s", err)
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}
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}()
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s.logger.Info("listening on %s", s.address)
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err := server.ListenAndServe()
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if err != nil && ctx.Err() != context.Canceled {
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s.logger.Error(err)
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}
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s.internalWG.Wait()
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}
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