3c44214d01
- Do not assume formatting from logger's interface - Allow to change golibs in the future to accept only strings for logger methods
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
// Package server defines an interface to run the HTTP control server.
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package server
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import (
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"context"
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"errors"
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"net/http"
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"time"
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"github.com/qdm12/gluetun/internal/dns"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/openvpn"
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"github.com/qdm12/gluetun/internal/publicip"
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"github.com/qdm12/gluetun/internal/updater"
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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, done chan<- struct{})
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}
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type server struct {
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address string
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logger logging.Logger
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handler http.Handler
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}
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func New(ctx context.Context, address string, logEnabled bool, logger logging.Logger,
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buildInfo models.BuildInformation,
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openvpnLooper openvpn.Looper, unboundLooper dns.Looper,
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updaterLooper updater.Looper, publicIPLooper publicip.Looper) Server {
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handler := newHandler(ctx, logger, logEnabled, buildInfo,
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openvpnLooper, unboundLooper, updaterLooper, publicIPLooper)
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return &server{
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address: address,
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logger: logger,
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handler: handler,
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}
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}
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func (s *server) Run(ctx context.Context, done chan<- struct{}) {
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defer close(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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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: " + err.Error())
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}
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}()
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s.logger.Info("listening on " + s.address)
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err := server.ListenAndServe()
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if err != nil && errors.Is(ctx.Err(), context.Canceled) {
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s.logger.Error(err.Error())
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}
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}
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