Increment traffic monitors async

internal/handlers/home.go

@@ -53,12 +53,6 @@ func (zr *Handlers) generateResponse(resp http.ResponseWriter, req *http.Request
 		return nil, err
 	}
 
-	trafficDetails, err := zr.api.GetTrafficDetails()
-	if err != nil {
-		http.Error(resp, err.Error(), http.StatusInternalServerError)
-		return nil, err
-	}
-
 	var mem runtime.MemStats
 	runtime.ReadMemStats(&mem)
 
@@ -83,7 +77,11 @@ func (zr *Handlers) generateResponse(resp http.ResponseWriter, req *http.Request
 	sortedIDs := zr.torMgr.OnceDoneBin.ToSlice()
 	sort.Strings(sortedIDs)
 
-	// check if real-debrid.com is in the traffic details
+	trafficDetails, err := zr.api.GetTrafficDetails()
+	if err != nil {
+		http.Error(resp, err.Error(), http.StatusInternalServerError)
+		return nil, err
+	}
 	var trafficLogged int64
 	trafficLogged = 0
 	if _, ok := trafficDetails["real-debrid.com"]; ok {
@@ -227,7 +225,7 @@ func (zr *Handlers) handleHome(resp http.ResponseWriter, req *http.Request) {
         </tr>
         <tr>
             <td>Traffic Logged</td>
-            <td colspan="2">%d MB</td>
+            <td colspan="2">%d MB (%d MB added)</td>
         </tr>
         <tr>
             <td>Traffic Requested</td>
@@ -248,6 +246,7 @@ func (zr *Handlers) handleHome(resp http.ResponseWriter, req *http.Request) {
 		response.NumGC,
 		response.PID,
 		response.TrafficLogged,
+		response.TrafficLogged-bToMb(uint64(zr.initialTraffic)),
 		response.RequestedMB,
 		response.ServedMB,
 		efficiency,

internal/handlers/router.go

@@ -20,13 +20,14 @@ import (
 )
 
 type Handlers struct {
-	downloader *universal.Downloader
-	torMgr     *torrent.TorrentManager
-	cfg        config.ConfigInterface
-	api        *realdebrid.RealDebrid
-	workerPool *ants.Pool
-	hosts      []string
-	log        *logutil.Logger
+	downloader     *universal.Downloader
+	torMgr         *torrent.TorrentManager
+	cfg            config.ConfigInterface
+	api            *realdebrid.RealDebrid
+	workerPool     *ants.Pool
+	hosts          []string
+	initialTraffic int64
+	log            *logutil.Logger
 }
 
 func init() {
@@ -46,6 +47,16 @@ func AttachHandlers(router *chi.Mux, downloader *universal.Downloader, torMgr *t
 		log:        log,
 	}
 
+	trafficDetails, err := api.GetTrafficDetails()
+	if err != nil {
+		log.Errorf("Failed to get traffic details: %v", err)
+		trafficDetails = make(map[string]int64)
+	}
+	hs.initialTraffic = 0
+	if _, ok := trafficDetails["real-debrid.com"]; ok {
+		hs.initialTraffic = trafficDetails["real-debrid.com"]
+	}
+
 	if cfg.GetUsername() != "" {
 		router.Use(hs.basicAuth)
 	}

internal/universal/downloader.go

@@ -21,13 +21,15 @@ import (
 
 type Downloader struct {
 	client         *zurghttp.HTTPClient
+	workerPool     *ants.Pool
 	RequestedBytes atomic.Uint64
 	TotalBytes     atomic.Uint64
 }
 
 func NewDownloader(client *zurghttp.HTTPClient, workerPool *ants.Pool) *Downloader {
 	dl := &Downloader{
-		client: client,
+		client:     client,
+		workerPool: workerPool,
 	}
 
 	// track bandwidth usage and reset at 12AM CET
@@ -213,16 +215,18 @@ func (dl *Downloader) streamFileToResponse(
 	buf := make([]byte, cfg.GetNetworkBufferSize())
 	n, _ := io.CopyBuffer(resp, downloadResp.Body, buf)
 
-	// Update the download statistics
-	reqBytes, _ := parseRangeHeader(req.Header.Get("Range"))
-	if reqBytes == 0 && unrestrict != nil {
-		reqBytes = uint64(unrestrict.Filesize)
-	}
-	dl.RequestedBytes.Add(reqBytes)
-	dl.TotalBytes.Add(uint64(n))
-	if cfg.ShouldLogRequests() {
-		log.Debugf("Served %d MB of the requested %d MB of file %s (range=%s)", bToMb(uint64(n)), bToMb(reqBytes), unrestrict.Filename, req.Header.Get("Range"))
-	}
+	dl.workerPool.Submit(func() {
+		// Update the download statistics
+		reqBytes, _ := parseRangeHeader(req.Header.Get("Range"))
+		if reqBytes == 0 && unrestrict != nil {
+			reqBytes = uint64(unrestrict.Filesize)
+		}
+		dl.RequestedBytes.Add(reqBytes)
+		dl.TotalBytes.Add(uint64(n))
+		if cfg.ShouldLogRequests() {
+			log.Debugf("Served %d MB of the requested %d MB of file %s (range=%s)", bToMb(uint64(n)), bToMb(reqBytes), unrestrict.Filename, req.Header.Get("Range"))
+		}
+	})
 }
 
 func redirect(resp http.ResponseWriter, req *http.Request, url string) {