feat: support traceroute command

This commit is contained in:
buyuxiang
2022-07-29 12:03:58 +08:00
parent decac6d8ff
commit 3306bf441c
5 changed files with 184 additions and 5 deletions

View File

@@ -10,8 +10,9 @@ import (
)
var (
pingOptions dial.PingOptions
dnsOptions dial.DnsOptions
pingOptions dial.PingOptions
dnsOptions dial.DnsOptions
traceRouteOptions dial.TraceRouteOptions
)
var pingCmd = &cobra.Command{
@@ -44,16 +45,31 @@ var dnsCmd = &cobra.Command{
},
}
var traceRouteCmd = &cobra.Command{
Use: "traceroute $url",
Short: "run integrated traceroute command",
Args: cobra.ExactArgs(1),
PreRun: func(cmd *cobra.Command, args []string) {
setLogLevel(logLevel)
},
RunE: func(cmd *cobra.Command, args []string) error {
return dial.DoTraceRoute(&traceRouteOptions, args)
},
}
func init() {
rootCmd.AddCommand(pingCmd)
pingCmd.Flags().IntVarP(&pingOptions.Count, "count", "c", 10, "Stop after sending (and receiving) N packets")
pingCmd.Flags().DurationVarP(&pingOptions.Timeout, "timeout", "t", 20*time.Second, "Ping exits after N seconds")
pingCmd.Flags().DurationVarP(&pingOptions.Interval, "interval", "i", 1*time.Second, "Wait N seconds between sending each packet")
pingCmd.Flags().BoolVar(&pingOptions.SaveTests, "save-tests", false, "Save ping results json")
pingCmd.Flags().BoolVar(&pingOptions.SaveTests, "save-tests", false, "Save ping result as json")
rootCmd.AddCommand(dnsCmd)
dnsCmd.Flags().IntVar(&dnsOptions.DnsSourceType, "dns-source", 0, "DNS source type\n0: local DNS\n1: http DNS\n2: google DNS")
dnsCmd.Flags().IntVar(&dnsOptions.DnsRecordType, "dns-record", 1, "DNS record type\n1: A\n28: AAAA\n5: CNAME")
dnsCmd.Flags().StringVar(&dnsOptions.DnsServer, "dns-server", "", "DNS server, only available for local DNS source")
dnsCmd.Flags().BoolVar(&dnsOptions.SaveTests, "save-tests", false, "Save DNS resolution results json")
dnsCmd.Flags().BoolVar(&dnsOptions.SaveTests, "save-tests", false, "Save DNS resolution result as json")
rootCmd.AddCommand(traceRouteCmd)
traceRouteCmd.Flags().BoolVar(&traceRouteOptions.SaveTests, "save-tests", false, "Save traceroute result as json")
}

View File

@@ -214,7 +214,7 @@ func DoDns(dnsOptions *DnsOptions, args []string) (err error) {
dnsResultPath := filepath.Join(dir, dnsResultName)
err = builtin.Dump2JSON(dnsResult, dnsResultPath)
if err != nil {
log.Error().Err(err).Msg("save ping result failed")
log.Error().Err(err).Msg("save dns resolution result failed")
}
}
}()

View File

@@ -0,0 +1,138 @@
package dial
import (
"fmt"
"net/url"
"os"
"path/filepath"
"strings"
"time"
"github.com/mehrdadrad/mylg/cli"
"github.com/mehrdadrad/mylg/icmp"
"github.com/pkg/errors"
"github.com/rs/zerolog/log"
"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
"github.com/httprunner/httprunner/v4/hrp/internal/json"
)
type TraceRouteOptions struct {
SaveTests bool
}
type TraceRouteResult struct {
IP string `json:"ip"`
Details []TraceRouteResultNode `json:"details"`
Suc bool `json:"suc"`
ErrMsg string `json:"errMsg"`
}
type TraceRouteResultNode struct {
Id int `json:"id"`
Ip string `json:"ip"`
Time string `json:"time"`
}
type HopResp struct {
Num int `json:"Id"`
Hop string `json:"Hop"`
Ip string `json:"Ip"`
Elapsed float64 `json:"Elapsed"`
Holder string `json:"Holder"`
ASN float64 `json:"ASN"`
Last bool `json:"Last"`
}
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]
}
cfg, err := cli.ReadDefaultConfig()
if err != nil {
log.Error().Err(err).Msgf("fail to read default config")
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = err.Error()
return
}
traceRouter, err := icmp.NewTrace(traceRouteTarget, cfg)
if err != nil {
log.Error().Err(err).Msgf("fail to new traceRouter for %s", traceRouteTarget)
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = err.Error()
return
}
startT := time.Now()
defer func() {
log.Info().Msgf("for target %s, traceroute costs %v", traceRouteTarget, time.Since(startT))
}()
log.Info().Msgf("start to trace route of %v", traceRouteTarget)
hopRespChan, err := traceRouter.MRun()
if err != nil {
log.Error().Err(err).Msgf("fail to trace route of %v", traceRouteTarget)
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = err.Error()
}
count := 0
t := time.NewTicker(2 * time.Minute)
for {
select {
case <-t.C:
log.Error().Err(err).Msgf("fail to do traceroute for %s because timeout", traceRouteTarget)
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = "timeout"
return
case resp := <-hopRespChan:
respJSON := resp.Marshal()
fmt.Printf("traceroute hop: %v\n", respJSON)
var hopResp HopResp
err = json.Unmarshal([]byte(respJSON), &hopResp)
if err != nil {
log.Error().Err(err).Msgf("fail to do traceroute for %s because of hop response %v unmarshal error", traceRouteTarget, respJSON)
traceRouteResult.Suc = false
traceRouteResult.ErrMsg = "hop response unmarshal error"
}
traceRouteResult.Details = append(traceRouteResult.Details, TraceRouteResultNode{
Id: hopResp.Num,
Ip: hopResp.Ip,
Time: fmt.Sprintf("%.2f", hopResp.Elapsed),
})
traceRouteResult.Suc = true
traceRouteResult.ErrMsg = ""
if hopResp.Last {
traceRouteResult.IP = hopResp.Ip
log.Info().Msgf("for target %s, traceroute completed", traceRouteTarget)
return
}
count += 1
if count > 30 {
log.Info().Msgf("for target %s, traceroute hop counts reach limit", traceRouteTarget)
return
}
}
}
}