feat: support human-readable and auto-scaled rate units for output

README.md

@@ -38,25 +38,27 @@ Flags:
       --help                   Show context-sensitive help (also try --help-long and --help-man).
   -l, --list                   Show available speedtest.net servers.
   -s, --server=SERVER ...      Select server id to speedtest.
-      --custom-url=CUSTOM-URL  Specify the url of the server instead of getting a list from speedtest.net.
+      --custom-url=CUSTOM-URL  Specify the url of the server instead of fetching from speedtest.net.
       --saving-mode            Test with few resources, though low accuracy (especially > 30Mbps).
       --json                   Output results in json format.
-      --location=LOCATION      Change the location with a precise coordinate.
+      --location=LOCATION      Change the location with a precise coordinate (format: lat,lon).
       --city=CITY              Change the location with a predefined city label.
       --city-list              List all predefined city labels.
       --proxy=PROXY            Set a proxy(http[s] or socks) for the speedtest.
                                eg: --proxy=socks://10.20.0.101:7890
                                eg: --proxy=http://10.20.0.101:7890
       --source=SOURCE          Bind a source interface for the speedtest.
-      --dns-bind-source        DNS request binding source.(Experimental)
+      --dns-bind-source        DNS request binding source (experimental).
                                eg: --source=10.20.0.101
   -m  --multi                  Enable multi-server mode.
   -t  --thread=THREAD          Set the number of concurrent connections.
       --search=SEARCH          Fuzzy search servers by a keyword.
       --ua                     Set the user-agent header for the speedtest.
       --no-download            Disable download test.
       --no-upload              Disable upload test.
-      --ping-mode              Select a method for Ping. (support icmp/tcp/http)
+      --ping-mode              Select a method for Ping (support icmp/tcp/http).
+  -u  --unit                   Set human-readable and auto-scaled rate units for output 
+                               (options: decimal-bits/decimal-bytes/binary-bits/binary-bytes).
   -d  --debug                  Enable debug mode.
       --version                Show application version.
 ```
@@ -68,15 +70,15 @@ Simply use `speedtest` command. The closest server is selected by default. Use t
 ```bash
 $ speedtest
 
-    speedtest-go v1.6.5 @showwin
+    speedtest-go v1.7.0 @showwin
 
 ✓ ISP: 124.27.199.165 (Fujitsu) [34.9769, 138.3831]
 ✓ Found 20 Public Servers
 
 ✓ Test Server: [6691] 9.03km Shizuoka (Japan) by sudosan
-✓ Latency: 24.15396ms Jitter: 777.465µs Min: 22.8926ms Max: 25.5387ms
-✓ Download: 73.30Mbps (used: 101.48MB)
-✓ Upload: 35.26Mbps (used: 47.33MB)
+✓ Latency: 4.452963ms Jitter: 41.271µs Min: 4.395179ms Max: 4.517576ms
+✓ Download: 115.52 Mbps (Used: 135.75MB) (Latency: 4ms Jitter: 0ms Min: 4ms Max: 4ms)
+✓ Upload: 4.02 Mbps (Used: 6.85MB) (Latency: 4ms Jitter: 1ms Min: 3ms Max: 8ms)
 ```
 
 #### Test with Other Servers
@@ -98,23 +100,20 @@ and select them by id.
 ```bash
 $ speedtest --server 6691 --server 6087
 
-    speedtest-go v1.6.5 @showwin
+    speedtest-go v1.7.0 @showwin
 
 ✓ ISP: 124.27.199.165 (Fujitsu) [34.9769, 138.3831]
-✓ Found 20 Public Servers
+✓ Found 2 Specified Public Server(s)
 
 ✓ Test Server: [6691] 9.03km Shizuoka (Japan) by sudosan
 ✓ Latency: 21.424ms Jitter: 1.644ms Min: 19.142ms Max: 23.926ms
-✓ Download: 65.82Mbps (used: 75.48MB)
-✓ Upload: 27.00Mbps (used: 36.33MB)
+✓ Download: 65.82Mbps (Used: 75.48MB) (Latency: 22ms Jitter: 2ms Min: 17ms Max: 24ms)
+✓ Upload: 27.00Mbps (Used: 36.33MB) (Latency: 23ms Jitter: 2ms Min: 18ms Max: 25ms)
 
 ✓ Test Server: [6087] 120.55km Fussa-shi (Japan) by Allied Telesis Capital Corporation
 ✓ Latency: 38.694699ms Jitter: 2.724ms Min: 36.443ms Max: 39.953ms
-✓ Download: 72.24Mbps (used: 83.72MB)
-✓ Upload: 29.56Mbps (used: 47.64MB)
-
-Download Avg: 69.03 Mbit/s
-Upload Avg: 28.28 Mbit/s
+✓ Download: 72.24Mbps (Used: 83.72MB) (Latency: 37ms Jitter: 3ms Min: 36ms Max: 40ms)
+✓ Upload: 29.56Mbps (Used: 47.64MB) (Latency: 38ms Jitter: 3ms Min: 37ms Max: 41ms)
 ```
 
 #### Test with a virtual location
@@ -195,7 +194,8 @@ func main() {
 		s.PingTest(nil)
 		s.DownloadTest()
 		s.UploadTest()
-		fmt.Printf("Latency: %s, Download: %f, Upload: %f\n", s.Latency, s.DLSpeed, s.ULSpeed)
+		// Note: The unit of s.DLSpeed, s.ULSpeed is bytes per second, this is a float64.
+		fmt.Printf("Latency: %s, Download: %s, Upload: %s\n", s.Latency, s.DLSpeed, s.ULSpeed)
 		s.Context.Reset() // reset counter
 	}
 }

example/main.go

@@ -31,7 +31,8 @@ func main() {
 		checkError(s.DownloadTest())
 		checkError(s.UploadTest())
 
-		fmt.Printf("Latency: %s, Download: %f, Upload: %f\n", s.Latency, s.DLSpeed, s.ULSpeed)
+		// Note: The unit of s.DLSpeed, s.ULSpeed is bytes per second, this is a float64.
+		fmt.Printf("Latency: %s, Download: %s, Upload: %s\n", s.Latency, s.DLSpeed, s.ULSpeed)
 		s.Context.Reset()
 	}
 }

speedtest.go

@@ -16,22 +16,23 @@ import (
 var (
 	showList      = kingpin.Flag("list", "Show available speedtest.net servers.").Short('l').Bool()
 	serverIds     = kingpin.Flag("server", "Select server id to run speedtest.").Short('s').Ints()
-	customURL     = kingpin.Flag("custom-url", "Specify the url of the server instead of getting a list from speedtest.net.").String()
+	customURL     = kingpin.Flag("custom-url", "Specify the url of the server instead of fetching from speedtest.net.").String()
 	savingMode    = kingpin.Flag("saving-mode", "Test with few resources, though low accuracy (especially > 30Mbps).").Bool()
 	jsonOutput    = kingpin.Flag("json", "Output results in json format.").Bool()
-	location      = kingpin.Flag("location", "Change the location with a precise coordinate. Format: lat,lon").String()
+	location      = kingpin.Flag("location", "Change the location with a precise coordinate (format: lat,lon).").String()
 	city          = kingpin.Flag("city", "Change the location with a predefined city label.").String()
 	showCityList  = kingpin.Flag("city-list", "List all predefined city labels.").Bool()
 	proxy         = kingpin.Flag("proxy", "Set a proxy(http[s] or socks) for the speedtest.").String()
 	source        = kingpin.Flag("source", "Bind a source interface for the speedtest.").String()
-	dnsBindSource = kingpin.Flag("dns-bind-source", "DNS request binding source.(Experimental)").Bool()
+	dnsBindSource = kingpin.Flag("dns-bind-source", "DNS request binding source (experimental).").Bool()
 	multi         = kingpin.Flag("multi", "Enable multi-server mode.").Short('m').Bool()
 	thread        = kingpin.Flag("thread", "Set the number of concurrent connections.").Short('t').Int()
 	search        = kingpin.Flag("search", "Fuzzy search servers by a keyword.").String()
 	userAgent     = kingpin.Flag("ua", "Set the user-agent header for the speedtest.").String()
 	noDownload    = kingpin.Flag("no-download", "Disable download test.").Bool()
 	noUpload      = kingpin.Flag("no-upload", "Disable upload test.").Bool()
-	pingMode      = kingpin.Flag("ping-mode", "Select a method for Ping. (support icmp/tcp/http)").Default("http").String()
+	pingMode      = kingpin.Flag("ping-mode", "Select a method for Ping (support icmp/tcp/http).").Default("http").String()
+	unit          = kingpin.Flag("unit", "Set human-readable and auto-scaled rate units for output (options: decimal-bits/decimal-bytes/binary-bits/binary-bytes).").Short('u').String()
 	debug         = kingpin.Flag("debug", "Enable debug mode.").Short('d').Bool()
 )
 
@@ -41,6 +42,8 @@ func main() {
 	kingpin.Parse()
 	AppInfo()
 
+	speedtest.SetUnit(parseUnit(*unit))
+
 	// 0. speed test setting
 	var speedtestClient = speedtest.New(speedtest.WithUserConfig(
 		&speedtest.UserConfig{
@@ -128,12 +131,12 @@ func main() {
 		accEcho := newAccompanyEcho(server, time.Millisecond*500)
 		taskManager.Run("Download", func(task *Task) {
 			accEcho.Run()
-			speedtestClient.SetCallbackDownload(func(downRate float64) {
+			speedtestClient.SetCallbackDownload(func(downRate speedtest.ByteRate) {
 				lc := accEcho.CurrentLatency()
 				if lc == 0 {
-					task.Printf("Download: %.2fMbps (latency: --)", downRate*8/1000000)
+					task.Printf("Download: %s (Latency: --)", downRate)
 				} else {
-					task.Printf("Download: %.2fMbps (latency: %dms)", downRate*8/1000000, lc/1000000)
+					task.Printf("Download: %s (Latency: %dms)", downRate, lc/1000000)
 				}
 			})
 			if *multi {
@@ -143,18 +146,18 @@ func main() {
 			}
 			accEcho.Stop()
 			mean, _, std, minL, maxL := speedtest.StandardDeviation(accEcho.Latencies())
-			task.Printf("Download: %.2fMbps (used: %.2fMB) (latency: %dms jitter: %dms min: %dms max: %dms)", server.DLSpeed*8/1000000, float64(server.Context.Manager.GetTotalDownload())/1000/1000, mean/1000000, std/1000000, minL/1000000, maxL/1000000)
+			task.Printf("Download: %s (Used: %.2fMB) (Latency: %dms Jitter: %dms Min: %dms Max: %dms)", server.DLSpeed, float64(server.Context.Manager.GetTotalDownload())/1000/1000, mean/1000000, std/1000000, minL/1000000, maxL/1000000)
 			task.Complete()
 		})
 
 		taskManager.Run("Upload", func(task *Task) {
 			accEcho.Run()
-			speedtestClient.SetCallbackUpload(func(upRate float64) {
+			speedtestClient.SetCallbackUpload(func(upRate speedtest.ByteRate) {
 				lc := accEcho.CurrentLatency()
 				if lc == 0 {
-					task.Printf("Upload: %.2fMbps (latency: --)", upRate*8/1000000)
+					task.Printf("Upload: %s (Latency: --)", upRate)
 				} else {
-					task.Printf("Upload: %.2fMbps (latency: %dms)", upRate*8/1000000, lc/1000000)
+					task.Printf("Upload: %s (Latency: %dms)", upRate, lc/1000000)
 				}
 			})
 			if *multi {
@@ -164,7 +167,7 @@ func main() {
 			}
 			accEcho.Stop()
 			mean, _, std, minL, maxL := speedtest.StandardDeviation(accEcho.Latencies())
-			task.Printf("Upload: %.2fMbps (used: %.2fMB) (latency: %dms jitter: %dms min: %dms max: %dms)", server.ULSpeed*8/1000000, float64(server.Context.Manager.GetTotalUpload())/1000/1000, mean/1000000, std/1000000, minL/1000000, maxL/1000000)
+			task.Printf("Upload: %s (Used: %.2fMB) (Latency: %dms Jitter: %dms Min: %dms Max: %dms)", server.ULSpeed, float64(server.Context.Manager.GetTotalUpload())/1000/1000, mean/1000000, std/1000000, minL/1000000, maxL/1000000)
 			task.Complete()
 		})
 		taskManager.Reset()
@@ -243,6 +246,21 @@ func showServerList(servers speedtest.Servers) {
 	}
 }
 
+func parseUnit(str string) speedtest.UnitType {
+	str = strings.ToLower(str)
+	if str == "decimal-bits" {
+		return speedtest.UnitTypeDecimalBits
+	} else if str == "decimal-bytes" {
+		return speedtest.UnitTypeDecimalBytes
+	} else if str == "binary-bits" {
+		return speedtest.UnitTypeBinaryBits
+	} else if str == "binary-bytes" {
+		return speedtest.UnitTypeBinaryBytes
+	} else {
+		return speedtest.UnitTypeDefaultMbps
+	}
+}
+
 func parseProto(str string) speedtest.Proto {
 	str = strings.ToLower(str)
 	if str == "icmp" {

speedtest/data_manager.go

@@ -30,8 +30,8 @@ type Manager interface {
 	GetEWMADownloadRate() float64
 	GetEWMAUploadRate() float64
 
-	SetCallbackDownload(callback func(downRate float64))
-	SetCallbackUpload(callback func(upRate float64))
+	SetCallbackDownload(callback func(downRate ByteRate))
+	SetCallbackUpload(callback func(upRate ByteRate))
 
 	RegisterDownloadHandler(fn func()) *TestDirection
 	RegisterUploadHandler(fn func()) *TestDirection
@@ -95,14 +95,14 @@ type DataManager struct {
 }
 
 type TestDirection struct {
-	TestType        int                        // test type
-	manager         *DataManager               // manager
-	totalDataVolume int64                      // total send/receive data volume
-	RateSequence    []int64                    // rate history sequence
-	welford         *internal.Welford          // std/EWMA/mean
-	captureCallback func(realTimeRate float64) // user callback
-	closeFunc       func()                     // close func
-	*funcGroup                                 // actually exec function
+	TestType        int                         // test type
+	manager         *DataManager                // manager
+	totalDataVolume int64                       // total send/receive data volume
+	RateSequence    []int64                     // rate history sequence
+	welford         *internal.Welford           // std/EWMA/mean
+	captureCallback func(realTimeRate ByteRate) // user callback
+	closeFunc       func()                      // close func
+	*funcGroup                                  // actually exec function
 }
 
 func (dm *DataManager) NewDataDirection(testType int) *TestDirection {
@@ -126,13 +126,13 @@ func NewDataManager() *DataManager {
 	return ret
 }
 
-func (dm *DataManager) SetCallbackDownload(callback func(downRate float64)) {
+func (dm *DataManager) SetCallbackDownload(callback func(downRate ByteRate)) {
 	if dm.download != nil {
 		dm.download.captureCallback = callback
 	}
 }
 
-func (dm *DataManager) SetCallbackUpload(callback func(upRate float64)) {
+func (dm *DataManager) SetCallbackUpload(callback func(upRate ByteRate)) {
 	if dm.upload != nil {
 		dm.upload.captureCallback = callback
 	}
@@ -268,7 +268,7 @@ func (td *TestDirection) rateCapture() chan bool {
 				}
 				// reports the current rate at the given rate
 				if td.captureCallback != nil {
-					td.captureCallback(td.welford.EWMA())
+					td.captureCallback(ByteRate(td.welford.EWMA()))
 				}
 			case stop := <-stopCapture:
 				if stop {

speedtest/request.go

@@ -56,7 +56,7 @@ func (s *Server) MultiDownloadTestContext(ctx context.Context, servers Servers)
 		return ErrorUninitializedManager
 	}
 	td.Start(cancel, mainIDIndex) // block here
-	s.DLSpeed = td.manager.GetEWMADownloadRate()
+	s.DLSpeed = ByteRate(td.manager.GetEWMADownloadRate())
 	return nil
 }
 
@@ -87,7 +87,7 @@ func (s *Server) MultiUploadTestContext(ctx context.Context, servers Servers) er
 		return ErrorUninitializedManager
 	}
 	td.Start(cancel, mainIDIndex) // block here
-	s.ULSpeed = td.manager.GetEWMAUploadRate()
+	s.ULSpeed = ByteRate(td.manager.GetEWMAUploadRate())
 	return nil
 }
 
@@ -112,7 +112,7 @@ func (s *Server) downloadTestContext(ctx context.Context, downloadRequest downlo
 		_ = downloadRequest(_context, s, 3)
 	}).Start(cancel, 0)
 	duration := time.Since(start)
-	s.DLSpeed = s.Context.GetEWMADownloadRate()
+	s.DLSpeed = ByteRate(s.Context.GetEWMADownloadRate())
 	s.TestDuration.Download = &duration
 	s.testDurationTotalCount()
 	return nil
@@ -139,7 +139,7 @@ func (s *Server) uploadTestContext(ctx context.Context, uploadRequest uploadFunc
 		_ = uploadRequest(_context, s, 4)
 	}).Start(cancel, 0)
 	duration := time.Since(start)
-	s.ULSpeed = s.Context.GetEWMAUploadRate()
+	s.ULSpeed = ByteRate(s.Context.GetEWMAUploadRate())
 	s.TestDuration.Upload = &duration
 	s.testDurationTotalCount()
 	return nil

speedtest/server.go

@@ -48,8 +48,8 @@ type Server struct {
 	MaxLatency   time.Duration `json:"max_latency"`
 	MinLatency   time.Duration `json:"min_latency"`
 	Jitter       time.Duration `json:"jitter"`
-	DLSpeed      float64       `json:"dl_speed"`
-	ULSpeed      float64       `json:"ul_speed"`
+	DLSpeed      ByteRate      `json:"dl_speed"`
+	ULSpeed      ByteRate      `json:"ul_speed"`
 	TestDuration TestDuration  `json:"test_duration"`
 
 	Context *Speedtest `json:"-"`