add HTTP retries for DLNA player

backend/app.go

@@ -153,16 +153,16 @@ func StartupApp(appName, displayAppName, appVersion, appVersionTag, latestReleas
 	}
 
 	// Periodically scan for remote players
+	go a.PlaybackManager.ScanRemotePlayers(a.bgrndCtx, 5 /*waitSec*/)
 	go func() {
 		t := time.NewTicker(5 * time.Minute)
 		for {
-			a.PlaybackManager.ScanRemotePlayers(a.bgrndCtx)
 			select {
 			case <-a.bgrndCtx.Done():
 				t.Stop()
 				return
 			case <-t.C:
-				continue
+				a.PlaybackManager.ScanRemotePlayers(a.bgrndCtx, 10 /*waitSec*/)
 			}
 		}
 	}()

backend/playbackmanager.go

@@ -96,8 +96,8 @@ func (p *PlaybackManager) addOnTrackChangeHook() {
 	})
 }
 
-func (p *PlaybackManager) ScanRemotePlayers(ctx context.Context) {
-	devices, _ := device.SearchMediaRenderers(ctx, 10, services.AVTransport, services.RenderingControl)
+func (p *PlaybackManager) ScanRemotePlayers(ctx context.Context, waitSec int) {
+	devices, _ := device.SearchMediaRenderers(ctx, waitSec, services.AVTransport, services.RenderingControl)
 
 	var discovered []remotePlayer
 	for _, d := range devices {

backend/player/dlna/dlnaplayer.go

@@ -19,6 +19,7 @@ import (
 	"github.com/dweymouth/supersonic/backend/mediaprovider"
 	"github.com/dweymouth/supersonic/backend/player"
 	"github.com/dweymouth/supersonic/backend/util"
+	"github.com/hashicorp/go-retryablehttp"
 	"github.com/supersonic-app/go-upnpcast/device"
 	"github.com/supersonic-app/go-upnpcast/services/avtransport"
 	"github.com/supersonic-app/go-upnpcast/services/renderingcontrol"
@@ -62,14 +63,20 @@ type DLNAPlayer struct {
 }
 
 func NewDLNAPlayer(device *device.MediaRenderer) (*DLNAPlayer, error) {
+	retry := retryablehttp.NewClient()
+	retry.RetryMax = 3
+	cli := retry.StandardClient()
+
 	avt, err := device.AVTransportClient()
 	if err != nil {
 		return nil, err
 	}
+	avt.HTTPClient = cli
 	rc, err := device.RenderingControlClient()
 	if err != nil {
 		return nil, err
 	}
+	rc.HTTPClient = cli
 	return &DLNAPlayer{
 		avTransport:   avt,
 		renderControl: rc,

go.mod

@@ -41,6 +41,8 @@ require (
 	github.com/go-text/render v0.2.0 // indirect
 	github.com/go-text/typesetting v0.2.1 // indirect
 	github.com/h2non/filetype v1.1.3 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
 	github.com/jeandeaual/go-locale v0.0.0-20241217141322-fcc2cadd6f08 // indirect
 	github.com/jsummers/gobmp v0.0.0-20230614200233-a9de23ed2e25 // indirect
 	github.com/koron/go-ssdp v0.0.4 // indirect
@@ -57,4 +59,5 @@ require (
 )
 
 replace github.com/supersonic-app/go-upnpcast v0.0.0-20250312000014-e4f7242a07ce => ../go-upnpcast
+
 replace fyne.io/fyne/v2 v2.6.0-beta1 => github.com/dweymouth/fyne/v2 v2.3.0-rc1.0.20250308154116-c32a0de49bde

go.sum

@@ -59,6 +59,10 @@ github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/h2non/filetype v1.1.3 h1:FKkx9QbD7HR/zjK1Ia5XiBsq9zdLi5Kf3zGyFTAFkGg=
 github.com/h2non/filetype v1.1.3/go.mod h1:319b3zT68BvV+WRj7cwy856M2ehB3HqNOt6sy1HndBY=
+github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ=
+github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48=
+github.com/hashicorp/go-retryablehttp v0.7.7 h1:C8hUCYzor8PIfXHa4UrZkU4VvK8o9ISHxT2Q8+VepXU=
+github.com/hashicorp/go-retryablehttp v0.7.7/go.mod h1:pkQpWZeYWskR+D1tR2O5OcBFOxfA7DoAO6xtkuQnHTk=
 github.com/jeandeaual/go-locale v0.0.0-20241217141322-fcc2cadd6f08 h1:wMeVzrPO3mfHIWLZtDcSaGAe2I4PW9B/P5nMkRSwCAc=
 github.com/jeandeaual/go-locale v0.0.0-20241217141322-fcc2cadd6f08/go.mod h1:ZDXo8KHryOWSIqnsb/CiDq7hQUYryCgdVnxbj8tDG7o=
 github.com/jsummers/gobmp v0.0.0-20230614200233-a9de23ed2e25 h1:YLvr1eE6cdCqjOe972w/cYF+FjW34v27+9Vo5106B4M=