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90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
package iperf
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path"
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"runtime"
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)
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var (
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Debug = true
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binaryDir = ""
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binaryLocation = ""
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)
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func init() {
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// Extract the binaries
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if runtime.GOOS == "windows" {
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err := extractWindowsEmbeddedBinaries()
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if err != nil {
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log.Fatalf("error initializing iperf: %v", err)
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}
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} else if runtime.GOOS == "darwin" {
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err := extractMacEmbeddedBinaries()
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if err != nil {
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log.Fatalf("error initializing iperf: %v\n", err)
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}
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} else {
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err := extractLinuxEmbeddedBinaries()
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if err != nil {
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log.Fatalf("error initializing iperf: %v", err)
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}
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}
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}
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func Cleanup() {
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os.RemoveAll(binaryDir)
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}
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func ExtractBinaries() (err error) {
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files := []string{"cygwin1.dll", "iperf3.exe", "iperf3", "iperf3.app"}
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err = extractEmbeddedBinaries(files)
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fmt.Printf("files extracted to %s\n", binaryDir)
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return err
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}
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func extractWindowsEmbeddedBinaries() (err error) {
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files := []string{"cygwin1.dll", "iperf3.exe"}
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err = extractEmbeddedBinaries(files)
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binaryLocation = path.Join(binaryDir, "iperf3.exe")
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return err
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}
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func extractLinuxEmbeddedBinaries() (err error) {
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files := []string{"iperf3"}
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err = extractEmbeddedBinaries(files)
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binaryLocation = path.Join(binaryDir, "iperf3")
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return err
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}
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func extractMacEmbeddedBinaries() (err error) {
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files := []string{"iperf3.app"}
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err = extractEmbeddedBinaries(files)
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binaryLocation = path.Join(binaryDir, "iperf3.app")
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return err
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}
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func extractEmbeddedBinaries(files []string) (err error) {
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binaryDir, err = ioutil.TempDir("", "goiperf")
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if err != nil {
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return fmt.Errorf("failed to create temporary iperf directory: %v", err)
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}
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for _, file := range files {
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data, err := Asset(file)
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if err != nil {
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return fmt.Errorf("failed to extract embedded iperf: %v", err)
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}
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err = ioutil.WriteFile(path.Join(binaryDir, file), data, 0755)
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if err != nil {
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return fmt.Errorf("failed to save embedded iperf: %v", err)
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}
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if Debug {
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log.Printf("extracted file: %s\n", path.Join(binaryDir, file))
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}
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}
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return nil
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}
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