add macOS support

.idea/workspace.xml

@@ -2,12 +2,12 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="fc2840de-29dc-4fca-8e0e-a283562f60ca" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/tests/controller/main.go" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/tests/extract/main.go" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/api/proto/control.proto" beforeDir="false" afterPath="$PROJECT_DIR$/api/proto/control.proto" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/bindata.go" beforeDir="false" afterPath="$PROJECT_DIR$/bindata.go" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/controller.go" beforeDir="false" afterPath="$PROJECT_DIR$/controller.go" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/go.mod" beforeDir="false" afterPath="$PROJECT_DIR$/go.mod" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/go.sum" beforeDir="false" afterPath="$PROJECT_DIR$/go.sum" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/iperf.go" beforeDir="false" afterPath="$PROJECT_DIR$/iperf.go" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -83,6 +83,15 @@
       <directory value="$PROJECT_DIR$" />
       <method v="2" />
     </configuration>
+    <configuration name="go build github.com/BGrewell/go-iperf/tests/extract" type="GoApplicationRunConfiguration" factoryName="Go Application" temporary="true" nameIsGenerated="true">
+      <module name="go-iperf" />
+      <working_directory value="$PROJECT_DIR$" />
+      <kind value="PACKAGE" />
+      <filePath value="$PROJECT_DIR$/tests/extract/main.go" />
+      <package value="github.com/BGrewell/go-iperf/tests/extract" />
+      <directory value="$PROJECT_DIR$" />
+      <method v="2" />
+    </configuration>
     <configuration name="go build github.com/BGrewell/go-iperf/tests/server" type="GoApplicationRunConfiguration" factoryName="Go Application" temporary="true" nameIsGenerated="true">
       <module name="go-iperf" />
       <working_directory value="$PROJECT_DIR$" />
@@ -95,6 +104,7 @@
     <recent_temporary>
       <list>
         <item itemvalue="Go Build.go build github.com/BGrewell/go-iperf/tests/controller" />
+        <item itemvalue="Go Build.go build github.com/BGrewell/go-iperf/tests/extract" />
         <item itemvalue="Go Build.go build github.com/BGrewell/go-iperf/tests/client" />
         <item itemvalue="Go Build.go build github.com/BGrewell/go-iperf/tests/server" />
         <item itemvalue="Go Build.go build github.com/BGrewell/go-iperf/cmd" />

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/google/uuid v1.1.2
 	github.com/hpcloud/tail v1.0.0 // indirect
+	github.com/jteeuwen/go-bindata v3.0.7+incompatible // indirect
 	google.golang.org/grpc v1.36.1
 	google.golang.org/protobuf v1.26.0
 	gopkg.in/fsnotify.v1 v1.4.7 // indirect

go.sum

@@ -39,6 +39,8 @@ github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/jteeuwen/go-bindata v3.0.7+incompatible h1:91Uy4d9SYVr1kyTJ15wJsog+esAZZl7JmEfTkwmhJts=
+github.com/jteeuwen/go-bindata v3.0.7+incompatible/go.mod h1:JVvhzYOiGBnFSYRyV00iY8q7/0PThjIYav1p9h5dmKs=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

iperf.go

@@ -22,6 +22,11 @@ func init() {
 		if err != nil {
 			log.Fatalf("error initializing iperf: %v", err)
 		}
+	} else if runtime.GOOS == "darwin" {
+		err := extractMacEmbeddedBinaries()
+		if err != nil {
+			log.Fatalf("error initializing iperf: %v\n", err)
+		}
 	} else {
 		err := extractLinuxEmbeddedBinaries()
 		if err != nil {
@@ -34,6 +39,13 @@ func Cleanup() {
 	os.RemoveAll(binaryDir)
 }
 
+func ExtractBinaries() (err error) {
+	files := []string{"cygwin1.dll", "iperf3.exe", "iperf3", "iperf3.app"}
+	err = extractEmbeddedBinaries(files)
+	fmt.Printf("files extracted to %s\n", binaryDir)
+	return err
+}
+
 func extractWindowsEmbeddedBinaries() (err error) {
 	files := []string{"cygwin1.dll", "iperf3.exe"}
 	err = extractEmbeddedBinaries(files)
@@ -48,6 +60,13 @@ func extractLinuxEmbeddedBinaries() (err error) {
 	return err
 }
 
+func extractMacEmbeddedBinaries() (err error) {
+	files := []string{"iperf3.app"}
+	err = extractEmbeddedBinaries(files)
+	binaryLocation = path.Join(binaryDir, "iperf3.app")
+	return err
+}
+
 func extractEmbeddedBinaries(files []string) (err error) {
 	binaryDir, err = ioutil.TempDir("", "goiperf")
 	if err != nil {

tests/extract/main.go

@@ -0,0 +1,7 @@
+package main
+
+import "github.com/BGrewell/go-iperf"
+
+func main() {
+	iperf.ExtractBinaries()
+}