Files
httprunner/hrp/internal/dial/traceroute_windows.go
2022-09-21 13:28:54 +08:00

105 lines
2.8 KiB
Go

//go:build windows
package dial
import (
"bufio"
"fmt"
"net/url"
"os"
"os/exec"
"path/filepath"
"regexp"
"strconv"
"strings"
"time"
"github.com/pkg/errors"
"github.com/rs/zerolog/log"
"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
)
var (
regexTracertPass = regexp.MustCompile(`(\d+)[\s*<]+(\d+)\s+ms`)
regexTracertFailure = regexp.MustCompile(`(\d+)[\s*]+Request timed out`)
)
func DoTraceRoute(traceRouteOptions *TraceRouteOptions, args []string) (err error) {
if len(args) != 1 {
return errors.New("there should be one argument")
}
var traceRouteResult TraceRouteResult
defer func() {
if traceRouteOptions.SaveTests {
dir, _ := os.Getwd()
traceRouteResultName := fmt.Sprintf("traceroute_result_%v.json", time.Now().Format("20060102150405"))
traceRouteResultPath := filepath.Join(dir, traceRouteResultName)
err = builtin.Dump2JSON(traceRouteResult, traceRouteResultPath)
if err != nil {
log.Error().Err(err).Msg("save traceroute result failed")
}
}
}()
traceRouteTarget := args[0]
parsedURL, err := url.Parse(traceRouteTarget)
if err == nil && parsedURL.Host != "" {
log.Info().Msgf("parse input url %v and extract host %v", traceRouteTarget, parsedURL.Host)
traceRouteTarget = strings.Split(parsedURL.Host, ":")[0]
}
cmd := exec.Command("tracert", "-h", strconv.Itoa(traceRouteOptions.MaxTTL), traceRouteTarget)
stdout, _ := cmd.StdoutPipe()
startT := time.Now()
defer func() {
log.Info().Msgf("for target %s, traceroute costs %v", traceRouteTarget, time.Since(startT))
}()
log.Info().Msgf("start to traceroute %v", traceRouteTarget)
err = cmd.Start()
if err != nil {
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = "execute traceroute failed"
log.Error().Err(err).Msg("start command failed")
return
}
scanner := bufio.NewScanner(stdout)
for scanner.Scan() {
hopLine := scanner.Text()
fmt.Println(hopLine)
failureLine := regexTracertFailure.FindStringSubmatch(hopLine)
if len(failureLine) == 2 {
hopID, _ := strconv.Atoi(failureLine[1])
traceRouteResult.Details = append(traceRouteResult.Details, TraceRouteResultNode{
Id: hopID,
})
continue
}
passLine := regexTracertPass.FindStringSubmatch(hopLine)
if len(passLine) == 3 {
hopID, _ := strconv.Atoi(passLine[1])
fields := strings.Fields(hopLine)
hopIP := strings.Trim(fields[len(fields)-1], "[]")
traceRouteResult.Details = append(traceRouteResult.Details, TraceRouteResultNode{
Id: hopID,
Ip: hopIP,
Time: passLine[2],
})
traceRouteResult.Suc = true
}
}
hopCount := len(traceRouteResult.Details)
traceRouteResult.IP = traceRouteResult.Details[hopCount-1].Ip
err = cmd.Wait()
if err != nil {
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = "wait traceroute finish failed"
log.Error().Err(err).Msg("wait command failed")
return
}
return
}