Merge branch 'master' into master

2026-05-12 02:21:29 +08:00 · 2022-08-15 20:55:42 +08:00
parent 8ae5ba81bc 6dce98f01b
commit ef1e13387e
25 changed files with 1153 additions and 225 deletions
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -14,6 +14,7 @@
 - fix: optimize websocket step initialization
 - fix: reuse plugin instance if already initialized
 - fix: deep copy api step to avoid data racing
+- feat: support ping/dns/traceroute for dial test

 ## v4.1.6 (2022-07-04)

--- a/go.mod
+++ b/go.mod
@@ -9,6 +9,7 @@ require (
 	github.com/getsentry/sentry-go v0.13.0
 	github.com/go-errors/errors v1.0.1
 	github.com/go-openapi/spec v0.20.6
+	github.com/go-ping/ping v1.1.0
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/websocket v1.4.1
@@ -17,6 +18,7 @@ require (
 	github.com/jmespath/go-jmespath v0.4.0
 	github.com/json-iterator/go v1.1.12
 	github.com/maja42/goval v1.2.1
+	github.com/miekg/dns v1.0.14
 	github.com/mitchellh/mapstructure v1.4.1
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/pkg/errors v0.9.1
--- a/go.sum
+++ b/go.sum
@@ -145,6 +145,8 @@ github.com/go-openapi/spec v0.20.6/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.15 h1:D2NRCBzS9/pEY3gP9Nl8aDqGUcPFrwG2p+CNFrLyrCM=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
+github.com/go-ping/ping v1.1.0 h1:3MCGhVX4fyEUuhsfwPrsEdQw6xspHkv5zHsiSoDFZYw=
+github.com/go-ping/ping v1.1.0/go.mod h1:xIFjORFzTxqIV/tDVGO4eDy/bLuSyawEeojSm3GfRGk=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
@@ -222,6 +224,7 @@ github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm4
 github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
 github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
@@ -343,6 +346,7 @@ github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0j
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mediocregopher/radix/v3 v3.4.2/go.mod h1:8FL3F6UQRXHXIBSPUs5h0RybMF8i4n7wVopoX3x7Bv8=
 github.com/microcosm-cc/bluemonday v1.0.2/go.mod h1:iVP4YcDBq+n/5fb23BhYFvIMq/leAFZyRl6bYmGDlGc=
+github.com/miekg/dns v1.0.14 h1:9jZdLNd/P4+SfEJ0TNyxYpsK8N4GtfylBLqtbYN1sbA=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
@@ -510,6 +514,7 @@ golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e h1:1SzTfNOXwIS2oWiMF+6qu0OUDKb0dauo6MoDUQyu+yU=
 golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -615,6 +620,7 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
--- a/hrp/boomer.go
+++ b/hrp/boomer.go
@@ -2,8 +2,6 @@ package hrp

 import (
 	"fmt"
-	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
-	"golang.org/x/net/context"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -13,9 +11,11 @@ import (

 	"github.com/httprunner/funplugin"
 	"github.com/httprunner/httprunner/v4/hrp/internal/boomer"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
 	"github.com/httprunner/httprunner/v4/hrp/internal/json"
 	"github.com/httprunner/httprunner/v4/hrp/internal/sdk"
 	"github.com/rs/zerolog/log"
+	"golang.org/x/net/context"
 )

 func NewStandaloneBoomer(spawnCount int64, spawnRate float64) *HRPBoomer {
@@ -57,7 +57,6 @@ type HRPBoomer struct {
 }

 func (b *HRPBoomer) InitBoomer() {
-	// init output
 	if !b.GetProfile().DisableConsoleOutput {
 		b.AddOutput(boomer.NewConsoleOutput())
 	}
@@ -101,6 +100,16 @@ func (b *HRPBoomer) Run(testcases ...ITestCase) {
 	// report execution timing event
 	defer sdk.SendEvent(event.StartTiming("execution"))

+	// quit all plugins
+	defer func() {
+		pluginMap.Range(func(key, value interface{}) bool {
+			if plugin, ok := value.(funplugin.IPlugin); ok {
+				plugin.Quit()
+			}
+			return true
+		})
+	}()
+
 	taskSlice := b.ConvertTestCasesToBoomerTasks(testcases...)

 	b.Boomer.Run(taskSlice...)
@@ -114,15 +123,6 @@ func (b *HRPBoomer) ConvertTestCasesToBoomerTasks(testcases ...ITestCase) (taskS
 		os.Exit(1)
 	}

-	// quit all plugins
-	defer func() {
-		if len(pluginMap) > 0 {
-			for _, plugin := range pluginMap {
-				plugin.Quit()
-			}
-		}
-	}()
-
 	for _, testcase := range testCases {
 		rendezvousList := initRendezvous(testcase, int64(b.GetSpawnCount()))
 		task := b.convertBoomerTask(testcase, rendezvousList)
@@ -165,7 +165,7 @@ func (b *HRPBoomer) TestCasesToBytes(testcases ...ITestCase) []byte {
 	return testCasesBytes
 }

-func (b *HRPBoomer) BytesToTestCases(testCasesBytes []byte) []*TCase {
+func (b *HRPBoomer) BytesToTCases(testCasesBytes []byte) []*TCase {
 	var testcase []*TCase
 	err := json.Unmarshal(testCasesBytes, &testcase)
 	if err != nil {
@@ -178,39 +178,57 @@ func (b *HRPBoomer) Quit() {
 	b.Boomer.Quit()
 }

-func (b *HRPBoomer) runTestCases(testCases []*TCase, profile *boomer.Profile) {
-	var testcases []ITestCase
+func (b *HRPBoomer) parseTCases(testCases []*TCase) (testcases []ITestCase) {
 	for _, tc := range testCases {
-		tesecase, err := tc.toTestCase()
-		if err != nil {
-			log.Error().Err(err).Msg("failed to load testcases")
-			return
-		}
 		// create temp dir to save testcase
 		tempDir, err := ioutil.TempDir("", "hrp_testcases")
 		if err != nil {
-			log.Error().Err(err).Msg("failed to save testcases")
+			log.Error().Err(err).Msg("failed to create hrp testcases directory")
 			return
 		}

-		tesecase.Config.Path = filepath.Join(tempDir, "test-case.json")
-		if tesecase.Config.PluginSetting != nil {
-			tesecase.Config.PluginSetting.Path = filepath.Join(tempDir, fmt.Sprintf("debugtalk.%s", tesecase.Config.PluginSetting.Type))
-			err = builtin.Bytes2File(tesecase.Config.PluginSetting.Content, tesecase.Config.PluginSetting.Path)
+		if tc.Config.PluginSetting != nil {
+			tc.Config.PluginSetting.Path = filepath.Join(tempDir, fmt.Sprintf("debugtalk.%s", tc.Config.PluginSetting.Type))
+			err = builtin.Bytes2File(tc.Config.PluginSetting.Content, tc.Config.PluginSetting.Path)
 			if err != nil {
 				log.Error().Err(err).Msg("failed to save plugin file")
 				return
 			}
+			tc.Config.PluginSetting.Content = nil // remove the content in testcase
 		}
-		err = builtin.Dump2JSON(tesecase, tesecase.Config.Path)
+
+		if tc.Config.Environs != nil {
+			envContent := ""
+			for k, v := range tc.Config.Environs {
+				envContent += fmt.Sprintf("%s=%s\n", k, v)
+			}
+			err = os.WriteFile(filepath.Join(tempDir, ".env"), []byte(envContent), 0o644)
+			if err != nil {
+				log.Error().Err(err).Msg("failed to dump environs")
+				return
+			}
+		}
+
+		tc.Config.Path = filepath.Join(tempDir, "test-case.json")
+		err = builtin.Dump2JSON(tc, tc.Config.Path)
 		if err != nil {
 			log.Error().Err(err).Msg("failed to dump testcases")
 			return
 		}

+		tesecase, err := tc.toTestCase()
+		if err != nil {
+			log.Error().Err(err).Msg("failed to load testcases")
+			return
+		}
+
 		testcases = append(testcases, tesecase)
 	}
+	return testcases
+}

+func (b *HRPBoomer) initWorker(profile *boomer.Profile) {
+	// if no IP address is specified, the default IP address is that of the master
 	if profile.PrometheusPushgatewayURL != "" {
 		urlSlice := strings.Split(profile.PrometheusPushgatewayURL, ":")
 		if len(urlSlice) != 2 {
@@ -225,8 +243,6 @@ func (b *HRPBoomer) runTestCases(testCases []*TCase, profile *boomer.Profile) {

 	b.SetProfile(profile)
 	b.InitBoomer()
-	log.Info().Interface("testcases", testcases).Interface("profile", profile).Msg("run tasks successful")
-	b.Run(testcases...)
 }

 func (b *HRPBoomer) rebalanceBoomer(profile *boomer.Profile) {
@@ -235,7 +251,7 @@ func (b *HRPBoomer) rebalanceBoomer(profile *boomer.Profile) {
 	b.SetSpawnRate(b.GetProfile().SpawnRate)
 	b.SetRunTime(b.GetProfile().RunTime)
 	b.GetRebalanceChan() <- true
-	log.Info().Interface("profile", profile).Msg("rebalance tasks successful")
+	log.Info().Interface("profile", profile).Msg("rebalance tasks successfully")
 }

 func (b *HRPBoomer) PollTasks(ctx context.Context) {
@@ -247,11 +263,17 @@ func (b *HRPBoomer) PollTasks(ctx context.Context) {
 				continue
 			}
 			//Todo: 过滤掉已经传输过的task
-			if task.TestCases != nil {
-				testCases := b.BytesToTestCases(task.TestCases)
-				go b.runTestCases(testCases, task.Profile)
+			if task.TestCasesBytes != nil {
+				// init boomer with profile
+				b.initWorker(task.Profile)
+				// get testcases
+				testcases := b.parseTCases(b.BytesToTCases(task.TestCasesBytes))
+				log.Info().Interface("testcases", testcases).Interface("profile", b.GetProfile()).Msg("starting to run tasks")
+				// run testcases
+				go b.Run(testcases...)
 			} else {
-				go b.rebalanceBoomer(task.Profile)
+				// rebalance runner with profile
+				go b.rebalanceRunner(task.Profile)
 			}

 		case <-b.Boomer.GetCloseChan():
@@ -263,6 +285,16 @@ func (b *HRPBoomer) PollTasks(ctx context.Context) {
 }

 func (b *HRPBoomer) PollTestCases(ctx context.Context) {
+	// quit all plugins
+	defer func() {
+		pluginMap.Range(func(key, value interface{}) bool {
+			if plugin, ok := value.(funplugin.IPlugin); ok {
+				plugin.Quit()
+			}
+			return true
+		})
+	}()
+
 	for {
 		select {
 		case <-b.Boomer.ParseTestCasesChan():
@@ -272,7 +304,7 @@ func (b *HRPBoomer) PollTestCases(ctx context.Context) {
 				tcs = append(tcs, &tcp)
 			}
 			b.TestCaseBytesChan() <- b.TestCasesToBytes(tcs...)
-			log.Info().Msg("put testcase successful")
+			log.Info().Msg("put testcase successfully")
 		case <-b.Boomer.GetCloseChan():
 			return
 		case <-ctx.Done():
@@ -381,7 +413,7 @@ func (b *HRPBoomer) convertBoomerTask(testcase *TestCase, rendezvousList []*Rend
 					// transaction
 					// FIXME: support nested transactions
 					if step.Struct().Transaction.Type == transactionEnd { // only record when transaction ends
-						b.RecordTransaction(stepResult.Name, transactionSuccess, stepResult.Elapsed, 0)
+						b.RecordTransaction(step.Struct().Transaction.Name, transactionSuccess, stepResult.Elapsed, 0)
 						transactionSuccess = true // reset flag for next transaction
 					}
 				} else if stepResult.StepType == stepTypeRendezvous {
--- a/hrp/cmd/dial.go
+++ b/hrp/cmd/dial.go
@@ -0,0 +1,96 @@
+package cmd
+
+import (
+	"runtime"
+	"time"
+
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+
+	"github.com/httprunner/httprunner/v4/hrp/internal/dial"
+)
+
+var (
+	pingOptions       dial.PingOptions
+	dnsOptions        dial.DnsOptions
+	traceRouteOptions dial.TraceRouteOptions
+)
+
+var pingCmd = &cobra.Command{
+	Use:   "ping $url",
+	Short: "run integrated ping command",
+	Args:  cobra.ExactArgs(1),
+	PreRun: func(cmd *cobra.Command, args []string) {
+		setLogLevel(logLevel)
+	},
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return dial.DoPing(&pingOptions, args)
+	},
+}
+
+var dnsCmd = &cobra.Command{
+	Use:   "dns $url",
+	Short: "DNS resolution for different source and record types",
+	Args:  cobra.ExactArgs(1),
+	PreRun: func(cmd *cobra.Command, args []string) {
+		setLogLevel(logLevel)
+	},
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if dnsOptions.DnsSourceType != dial.DnsSourceTypeLocal && dnsOptions.DnsServer != "" {
+			log.Warn().Msg("DNS server not supported for non-local DNS source, ignored")
+		}
+		if dnsOptions.DnsSourceType == dial.DnsSourceTypeHttp && dnsOptions.DnsRecordType == dial.DnsRecordTypeCNAME {
+			log.Warn().Msg("CNAME record not supported for http DNS source, using default record type(A)")
+		}
+		return dial.DoDns(&dnsOptions, args)
+	},
+}
+
+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 {
+		if runtime.GOOS == "windows" {
+			log.Info().Msg("using default probe number (3) on Windows")
+		}
+		return dial.DoTraceRoute(&traceRouteOptions, args)
+	},
+}
+
+var curlCmd = &cobra.Command{
+	Use:                "curl $url",
+	Short:              "run integrated curl command",
+	Args:               cobra.MinimumNArgs(1),
+	DisableFlagParsing: true,
+	PreRun: func(cmd *cobra.Command, args []string) {
+		setLogLevel(logLevel)
+	},
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return dial.DoCurl(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 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 result as json")
+
+	rootCmd.AddCommand(traceRouteCmd)
+	traceRouteCmd.Flags().IntVarP(&traceRouteOptions.MaxTTL, "max-hops", "m", 30, "Set the max number of hops (max TTL to be reached)")
+	traceRouteCmd.Flags().IntVarP(&traceRouteOptions.Queries, "queries", "q", 1, "Set the number of probes per each hop")
+	traceRouteCmd.Flags().BoolVar(&traceRouteOptions.SaveTests, "save-tests", false, "Save traceroute result as json")
+
+	rootCmd.AddCommand(curlCmd)
+}
--- a/hrp/internal/boomer/boomer.go
+++ b/hrp/internal/boomer/boomer.go
@@ -64,6 +64,18 @@ type Profile struct {
 	DisableKeepalive         bool          `json:"disable-keepalive,omitempty" yaml:"disable-keepalive,omitempty" mapstructure:"disable-keepalive,omitempty"`
 }

+func NewProfile() *Profile {
+	return &Profile{
+		SpawnCount:            1,
+		SpawnRate:             1,
+		MaxRPS:                -1,
+		LoopCount:             -1,
+		RequestIncreaseRate:   "-1",
+		CPUProfileDuration:    30 * time.Second,
+		MemoryProfileDuration: 30 * time.Second,
+	}
+}
+
 func (b *Boomer) GetProfile() *Profile {
 	switch b.mode {
 	case DistributedMasterMode:
@@ -159,7 +171,18 @@ func (b *Boomer) RunWorker() {

 // TestCaseBytesChan gets test case bytes chan
 func (b *Boomer) TestCaseBytesChan() chan []byte {
-	return b.masterRunner.testCaseBytes
+	return b.masterRunner.testCaseBytesChan
+}
+
+func (b *Boomer) GetTestCaseBytes() []byte {
+	switch b.mode {
+	case DistributedMasterMode:
+		return b.masterRunner.testCasesBytes
+	case DistributedWorkerMode:
+		return b.workerRunner.testCasesBytes
+	default:
+		return nil
+	}
 }

 func ProfileToBytes(profile *Profile) []byte {
@@ -193,7 +216,7 @@ func (b *Boomer) GetTasksChan() chan *task {
 func (b *Boomer) GetRebalanceChan() chan bool {
 	switch b.mode {
 	case DistributedWorkerMode:
-		return b.workerRunner.rebalance
+		return b.workerRunner.controller.getRebalanceChan()
 	default:
 		return nil
 	}
@@ -482,6 +505,9 @@ func (b *Boomer) Start(Args *Profile) error {
 	if b.masterRunner.isStopping() {
 		return errors.New("Please wait for all workers to finish")
 	}
+	if int(Args.SpawnCount) < b.masterRunner.server.getAvailableClientsLength() {
+		return errors.New("spawn count should be greater than available worker count")
+	}
 	b.SetSpawnCount(Args.SpawnCount)
 	b.SetSpawnRate(Args.SpawnRate)
 	b.SetRunTime(Args.RunTime)
@@ -495,6 +521,9 @@ func (b *Boomer) ReBalance(Args *Profile) error {
 	if !b.masterRunner.isStarting() {
 		return errors.New("no start")
 	}
+	if int(Args.SpawnCount) < b.masterRunner.server.getAvailableClientsLength() {
+		return errors.New("spawn count should be greater than available worker count")
+	}
 	b.SetSpawnCount(Args.SpawnCount)
 	b.SetSpawnRate(Args.SpawnRate)
 	b.SetRunTime(Args.RunTime)
@@ -520,8 +549,9 @@ func (b *Boomer) GetWorkersInfo() []WorkerNode {
 func (b *Boomer) GetMasterInfo() map[string]interface{} {
 	masterInfo := make(map[string]interface{})
 	masterInfo["state"] = b.masterRunner.getState()
-	masterInfo["workers"] = b.masterRunner.server.getClientsLength()
+	masterInfo["workers"] = b.masterRunner.server.getAvailableClientsLength()
 	masterInfo["target_users"] = b.masterRunner.getSpawnCount()
+	masterInfo["current_users"] = b.masterRunner.server.getCurrentUsers()
 	return masterInfo
 }

--- a/hrp/internal/boomer/client_grpc.go
+++ b/hrp/internal/boomer/client_grpc.go
@@ -313,11 +313,12 @@ func (c *grpcClient) sendMessage(msg *genericMessage) {
 		return
 	}
 	err := c.config.getBiStreamClient().Send(&messager.StreamRequest{Type: msg.Type, Data: msg.Data, NodeID: msg.NodeID})
-	switch err {
-	case nil:
+	if err == nil {
 		atomic.StoreInt32(&c.failCount, 0)
-	default:
-		//log.Error().Err(err).Interface("genericMessage", *msg).Msg("failed to send message")
+		return
+	}
+	//log.Error().Err(err).Interface("genericMessage", *msg).Msg("failed to send message")
+	if msg.Type == "heartbeat" {
 		atomic.AddInt32(&c.failCount, 1)
 	}
 }
--- a/hrp/internal/boomer/message.go
+++ b/hrp/internal/boomer/message.go
@@ -19,8 +19,8 @@ type genericMessage struct {
 }

 type task struct {
-	Profile   *Profile `json:"profile,omitempty"`
-	TestCases []byte   `json:"testcases,omitempty"`
+	Profile        *Profile `json:"profile,omitempty"`
+	TestCasesBytes []byte   `json:"testcases,omitempty"`
 }

 func newGenericMessage(t string, data map[string][]byte, nodeID string) (msg *genericMessage) {
--- a/hrp/internal/boomer/output.go
+++ b/hrp/internal/boomer/output.go
@@ -6,6 +6,7 @@ import (
 	"os"
 	"sort"
 	"strconv"
+	"sync"
 	"time"

 	"github.com/google/uuid"
@@ -454,8 +455,8 @@ var (
 )

 var (
-	minResponseTimeMap = map[string]float64{}
-	maxResponseTimeMap = map[string]float64{}
+	minResponseTimeMap = sync.Map{}
+	maxResponseTimeMap = sync.Map{}
 )

 // NewPrometheusPusherOutput returns a PrometheusPusherOutput.
@@ -577,19 +578,19 @@ func (o *PrometheusPusherOutput) OnEvent(data map[string]interface{}) {
 		}
 		// every stat in total
 		key := fmt.Sprintf("%v_%v", method, name)
-		if _, ok := minResponseTimeMap[key]; !ok {
-			minResponseTimeMap[key] = float64(stat.MinResponseTime)
-		} else {
-			minResponseTimeMap[key] = math.Min(float64(stat.MinResponseTime), minResponseTimeMap[key])
+		minResponseTime, loaded := minResponseTimeMap.LoadOrStore(key, float64(stat.MinResponseTime))
+		if loaded {
+			minResponseTime = math.Min(minResponseTime.(float64), float64(stat.MinResponseTime))
+			minResponseTimeMap.Store(key, minResponseTime)
 		}
-		gaugeTotalMinResponseTime.WithLabelValues(method, name).Set(minResponseTimeMap[key])
+		gaugeTotalMinResponseTime.WithLabelValues(method, name).Set(minResponseTime.(float64))

-		if _, ok := maxResponseTimeMap[key]; !ok {
-			maxResponseTimeMap[key] = float64(stat.MaxResponseTime)
-		} else {
-			maxResponseTimeMap[key] = math.Max(float64(stat.MaxResponseTime), maxResponseTimeMap[key])
+		maxResponseTime, loaded := maxResponseTimeMap.LoadOrStore(key, float64(stat.MaxResponseTime))
+		if loaded {
+			maxResponseTime = math.Max(maxResponseTime.(float64), float64(stat.MaxResponseTime))
+			maxResponseTimeMap.Store(key, maxResponseTime)
 		}
-		gaugeTotalMaxResponseTime.WithLabelValues(method, name).Set(maxResponseTimeMap[key])
+		gaugeTotalMaxResponseTime.WithLabelValues(method, name).Set(maxResponseTime.(float64))

 		counterTotalNumRequests.WithLabelValues(method, name).Add(float64(stat.NumRequests))
 		counterTotalNumFailures.WithLabelValues(method, name).Add(float64(stat.NumFailures))
@@ -639,4 +640,7 @@ func resetPrometheusMetrics() {
 	gaugeTotalFailPerSec.Set(0)
 	gaugeTransactionsPassed.Set(0)
 	gaugeTransactionsFailed.Set(0)
+
+	minResponseTimeMap = sync.Map{}
+	maxResponseTimeMap = sync.Map{}
 }
--- a/hrp/internal/boomer/runner.go
+++ b/hrp/internal/boomer/runner.go
@@ -49,10 +49,10 @@ func getStateName(state int32) (stateName string) {
 }

 const (
-	reportStatsInterval = 3 * time.Second
-	heartbeatInterval   = 1 * time.Second
-	heartbeatLiveness   = 3 * time.Second
-	reconnectInterval   = 3 * time.Second
+	reportStatsInterval  = 3 * time.Second
+	heartbeatInterval    = 1 * time.Second
+	heartbeatLiveness    = 3 * time.Second
+	stateMachineInterval = 1 * time.Second
 )

 type Loop struct {
@@ -86,6 +86,7 @@ type Controller struct {
 	currentClientsNum int64 // current clients count
 	spawnCount        int64 // target clients to spawn
 	spawnRate         float64
+	rebalance         chan bool // dynamically balance boomer running parameters
 	spawnDone         chan struct{}
 	tasks             []*Task
 }
@@ -143,6 +144,12 @@ func (c *Controller) spawnCompete() {
 	close(c.spawnDone)
 }

+func (c *Controller) getRebalanceChan() chan bool {
+	c.mutex.RLock()
+	defer c.mutex.RUnlock()
+	return c.rebalance
+}
+
 func (c *Controller) isFinished() bool {
 	// return true when workers acquired
 	return atomic.LoadInt64(&c.currentClientsNum) == atomic.LoadInt64(&c.spawnCount)
@@ -178,6 +185,7 @@ func (c *Controller) reset() {
 	c.spawnRate = 0
 	atomic.StoreInt64(&c.currentClientsNum, 0)
 	c.spawnDone = make(chan struct{})
+	c.rebalance = make(chan bool)
 	c.tasks = []*Task{}
 	c.once = sync.Once{}
 }
@@ -200,9 +208,6 @@ type runner struct {
 	controller *Controller
 	loop       *Loop // specify loop count for testcase, count = loopCount * spawnCount

-	// dynamically balance boomer running parameters
-	rebalance chan bool
-
 	// stop signals the run goroutine should shutdown.
 	stopChan chan bool
 	// all running workers(goroutines) will select on this channel.
@@ -373,7 +378,6 @@ func (r *runner) reportTestResult() {
 func (r *runner) reset() {
 	r.controller.reset()
 	r.stats.clearAll()
-	r.rebalance = make(chan bool)
 	r.stoppingChan = make(chan bool)
 	r.doneChan = make(chan bool)
 	r.reportedChan = make(chan bool)
@@ -459,16 +463,18 @@ func (r *runner) spawnWorkers(spawnCount int64, spawnRate float64, quit chan boo
 				continue
 			}

-			r.controller.once.Do(func() {
-				// spawning compete
-				r.controller.spawnCompete()
-				if spawnCompleteFunc != nil {
-					spawnCompleteFunc()
-				}
-				r.updateState(StateRunning)
-			})
+			r.controller.once.Do(
+				func() {
+					// spawning compete
+					r.controller.spawnCompete()
+					if spawnCompleteFunc != nil {
+						spawnCompleteFunc()
+					}
+					r.updateState(StateRunning)
+				},
+			)

-			<-r.rebalance
+			<-r.controller.getRebalanceChan()
 			if r.isStarting() {
 				// rebalance spawn count
 				r.controller.setSpawn(r.getSpawnCount(), r.getSpawnRate())
@@ -660,7 +666,7 @@ func (r *localRunner) start() {
 		r.wgMu.Lock()
 		r.updateState(StateStopping)
 		close(r.stoppingChan)
-		close(r.rebalance)
+		close(r.controller.rebalance)
 		r.wgMu.Unlock()

 		// wait for goroutines before closing
@@ -699,7 +705,8 @@ type workerRunner struct {
 	masterPort int
 	client     *grpcClient

-	profile *Profile
+	profile        *Profile
+	testCasesBytes []byte

 	tasksChan chan *task

@@ -745,10 +752,10 @@ func (r *workerRunner) onSpawnMessage(msg *genericMessage) {
 		log.Error().Msg("miss tasks")
 	}
 	r.tasksChan <- &task{
-		Profile:   profile,
-		TestCases: msg.Tasks,
+		Profile:        profile,
+		TestCasesBytes: msg.Tasks,
 	}
-	log.Info().Msg("on spawn message successful")
+	log.Info().Msg("on spawn message successfully")
 }

 func (r *workerRunner) onRebalanceMessage(msg *genericMessage) {
@@ -762,7 +769,7 @@ func (r *workerRunner) onRebalanceMessage(msg *genericMessage) {
 	r.tasksChan <- &task{
 		Profile: profile,
 	}
-	log.Info().Msg("on rebalance message successful")
+	log.Info().Msg("on rebalance message successfully")
 }

 // Runner acts as a state machine.
@@ -862,6 +869,9 @@ func (r *workerRunner) run() {
 		// wait for goroutines before closing
 		r.wg.Wait()

+		// notify master that worker is quitting
+		r.onQuiting()
+
 		var ticker = time.NewTicker(1 * time.Second)
 		if r.client != nil {
 			// waitting for quit message is sent to master
@@ -910,6 +920,7 @@ func (r *workerRunner) run() {
 				if !r.isStarting() && !r.isStopping() {
 					r.updateState(StateMissing)
 				}
+				continue
 			}
 			CPUUsage := GetCurrentCPUPercent()
 			MemoryUsage := GetCurrentMemoryPercent()
@@ -951,13 +962,18 @@ func (r *workerRunner) start() {
 		// block concurrent waitgroup adds in GoAttach while stopping
 		r.wgMu.Lock()
 		r.updateState(StateStopping)
+		close(r.controller.rebalance)
 		close(r.stoppingChan)
-		close(r.rebalance)
 		r.wgMu.Unlock()

 		// wait for goroutines before closing
 		r.wg.Wait()

+		// reset loop
+		if r.loop != nil {
+			r.loop = nil
+		}
+
 		close(r.doneChan)

 		// wait until all stats are reported successfully
@@ -984,7 +1000,6 @@ func (r *workerRunner) stop() {
 }

 func (r *workerRunner) close() {
-	r.onQuiting()
 	close(r.closeChan)
 }

@@ -1003,8 +1018,8 @@ type masterRunner struct {
 	profile *Profile

 	parseTestCasesChan chan bool
-	testCaseBytes      chan []byte
-	tcb                []byte
+	testCaseBytesChan  chan []byte
+	testCasesBytes     []byte
 }

 func newMasterRunner(masterBindHost string, masterBindPort int) *masterRunner {
@@ -1021,7 +1036,7 @@ func newMasterRunner(masterBindHost string, masterBindPort int) *masterRunner {
 		masterBindPort:     masterBindPort,
 		server:             newServer(masterBindHost, masterBindPort),
 		parseTestCasesChan: make(chan bool),
-		testCaseBytes:      make(chan []byte),
+		testCaseBytesChan:  make(chan []byte),
 	}
 }

@@ -1044,23 +1059,15 @@ func (r *masterRunner) heartbeatWorker() {
 				if !ok {
 					log.Error().Msg("failed to get worker information")
 				}
-				if atomic.LoadInt32(&workerInfo.Heartbeat) < 0 {
-					if workerInfo.getState() == StateQuitting {
-						return true
-					}
-					if workerInfo.getState() != StateMissing {
-						workerInfo.setState(StateMissing)
-					}
-					if r.isStopping() {
-						// all running workers missed, setting state to stopped
-						if r.server.getClientsLength() <= 0 {
-							r.updateState(StateStopped)
+				go func() {
+					if atomic.LoadInt32(&workerInfo.Heartbeat) < 0 {
+						if workerInfo.getState() != StateMissing {
+							workerInfo.setState(StateMissing)
 						}
-						return true
+					} else {
+						atomic.AddInt32(&workerInfo.Heartbeat, -1)
 					}
-				} else {
-					atomic.AddInt32(&workerInfo.Heartbeat, -1)
-				}
+				}()
 				return true
 			})
 		case <-reportTicker.C:
@@ -1084,72 +1091,85 @@ func (r *masterRunner) clientListener() {
 			if !ok {
 				continue
 			}
-			switch msg.Type {
-			case typeClientReady:
-				workerInfo.setState(StateInit)
-				if r.getState() == StateRunning {
-					log.Warn().Str("worker id", workerInfo.ID).Msg("worker joined, ready to rebalance the load of each worker")
+			go func() {
+				switch msg.Type {
+				case typeClientReady:
+					workerInfo.setState(StateInit)
+				case typeClientStopped:
+					workerInfo.setState(StateStopped)
+				case typeHeartbeat:
+					if workerInfo.getState() == StateMissing {
+						workerInfo.setState(int32(builtin.BytesToInt64(msg.Data["state"])))
+					}
+					workerInfo.updateHeartbeat(3)
+					currentCPUUsage, ok := msg.Data["current_cpu_usage"]
+					if ok {
+						workerInfo.updateCPUUsage(builtin.ByteToFloat64(currentCPUUsage))
+					}
+					currentPidCpuUsage, ok := msg.Data["current_pid_cpu_usage"]
+					if ok {
+						workerInfo.updateWorkerCPUUsage(builtin.ByteToFloat64(currentPidCpuUsage))
+					}
+					currentMemoryUsage, ok := msg.Data["current_memory_usage"]
+					if ok {
+						workerInfo.updateMemoryUsage(builtin.ByteToFloat64(currentMemoryUsage))
+					}
+					currentPidMemoryUsage, ok := msg.Data["current_pid_memory_usage"]
+					if ok {
+						workerInfo.updateWorkerMemoryUsage(builtin.ByteToFloat64(currentPidMemoryUsage))
+					}
+					currentUsers, ok := msg.Data["current_users"]
+					if ok {
+						workerInfo.updateUserCount(builtin.BytesToInt64(currentUsers))
+					}
+				case typeSpawning:
+					workerInfo.setState(StateSpawning)
+				case typeSpawningComplete:
+					workerInfo.setState(StateRunning)
+				case typeQuit:
+					if workerInfo.getState() == StateQuitting {
+						break
+					}
+					workerInfo.setState(StateQuitting)
+				case typeException:
+					// Todo
+				default:
+				}
+			}()
+		}
+	}
+}
+
+func (r *masterRunner) stateMachine() {
+	ticker := time.NewTicker(stateMachineInterval)
+	for {
+		select {
+		case <-r.closeChan:
+			return
+		case <-ticker.C:
+			switch r.getState() {
+			case StateSpawning:
+				if r.server.getCurrentUsers() == int(r.getSpawnCount()) {
+					log.Warn().Msg("all workers spawn done, setting state as running")
+					r.updateState(StateRunning)
+				}
+			case StateRunning:
+				if r.server.getStartingClientsLength() == 0 {
+					r.updateState(StateStopped)
+					continue
+				}
+				if r.server.getWorkersLengthByState(StateInit) != 0 {
 					err := r.rebalance()
 					if err != nil {
 						log.Error().Err(err).Msg("failed to rebalance")
 					}
 				}
-			case typeClientStopped:
-				workerInfo.setState(StateStopped)
-				if r.server.getWorkersLengthByState(StateStopped)+r.server.getWorkersLengthByState(StateInit) == r.server.getClientsLength() {
+			case StateStopping:
+				if r.server.getReadyClientsLength() == r.server.getAvailableClientsLength() {
 					r.updateState(StateStopped)
 				}
-			case typeHeartbeat:
-				if workerInfo.getState() != int32(builtin.BytesToInt64(msg.Data["state"])) {
-					workerInfo.setState(int32(builtin.BytesToInt64(msg.Data["state"])))
-				}
-				workerInfo.updateHeartbeat(3)
-				currentCPUUsage, ok := msg.Data["current_cpu_usage"]
-				if ok {
-					workerInfo.updateCPUUsage(builtin.ByteToFloat64(currentCPUUsage))
-				}
-				currentPidCpuUsage, ok := msg.Data["current_pid_cpu_usage"]
-				if ok {
-					workerInfo.updateWorkerCPUUsage(builtin.ByteToFloat64(currentPidCpuUsage))
-				}
-				currentMemoryUsage, ok := msg.Data["current_memory_usage"]
-				if ok {
-					workerInfo.updateMemoryUsage(builtin.ByteToFloat64(currentMemoryUsage))
-				}
-				currentPidMemoryUsage, ok := msg.Data["current_pid_memory_usage"]
-				if ok {
-					workerInfo.updateWorkerMemoryUsage(builtin.ByteToFloat64(currentPidMemoryUsage))
-				}
-				currentUsers, ok := msg.Data["current_users"]
-				if ok {
-					workerInfo.updateUserCount(builtin.BytesToInt64(currentUsers))
-				}
-			case typeSpawning:
-				workerInfo.setState(StateSpawning)
-			case typeSpawningComplete:
-				workerInfo.setState(StateRunning)
-				if r.server.getWorkersLengthByState(StateRunning) == r.server.getClientsLength() {
-					log.Warn().Msg("all workers spawn done, setting state as running")
-					r.updateState(StateRunning)
-				}
-			case typeQuit:
-				if workerInfo.getState() == StateQuitting {
-					break
-				}
-				workerInfo.setState(StateQuitting)
-				if r.isStarting() {
-					if r.server.getClientsLength() > 0 {
-						log.Warn().Str("worker id", workerInfo.ID).Msg("worker quited, ready to rebalance the load of each worker")
-						err := r.rebalance()
-						if err != nil {
-							log.Error().Err(err).Msg("failed to rebalance")
-						}
-					}
-				}
-			case typeException:
-				// Todo
-			default:
 			}
+
 		}
 	}
 }
@@ -1179,7 +1199,7 @@ func (r *masterRunner) run() {
 				case <-r.closeChan:
 					return
 				case <-ticker.C:
-					c := r.server.getClientsLength()
+					c := r.server.getAvailableClientsLength()
 					log.Info().Msg(fmt.Sprintf("expected worker number: %v, current worker count: %v", r.expectWorkers, c))
 					if c >= r.expectWorkers {
 						err = r.start()
@@ -1198,6 +1218,9 @@ func (r *masterRunner) run() {
 		}()
 	}

+	// master state machine
+	r.goAttach(r.stateMachine)
+
 	// listen and deal message from worker
 	r.goAttach(r.clientListener)

@@ -1207,13 +1230,13 @@ func (r *masterRunner) run() {
 }

 func (r *masterRunner) start() error {
-	numWorkers := r.server.getClientsLength()
+	numWorkers := r.server.getAvailableClientsLength()
 	if numWorkers == 0 {
 		return errors.New("current available workers: 0")
 	}

-	// fetching testcase
-	testcase, err := r.fetchTestCase()
+	// fetching testcases
+	testCasesBytes, err := r.fetchTestCases()
 	if err != nil {
 		return err
 	}
@@ -1256,19 +1279,19 @@ func (r *masterRunner) start() error {
 				Type:    "spawn",
 				Profile: ProfileToBytes(workerProfile),
 				NodeID:  workerInfo.ID,
-				Tasks:   testcase,
+				Tasks:   testCasesBytes,
 			}
 			cur++
 		}
 		return true
 	})

-	log.Warn().Interface("profile", r.profile).Msg("send spawn data to worker successful")
+	log.Warn().Interface("profile", r.profile).Msg("send spawn data to worker successfully")
 	return nil
 }

 func (r *masterRunner) rebalance() error {
-	numWorkers := r.server.getClientsLength()
+	numWorkers := r.server.getAvailableClientsLength()
 	if numWorkers == 0 {
 		return errors.New("current available workers: 0")
 	}
@@ -1309,7 +1332,7 @@ func (r *masterRunner) rebalance() error {
 					Type:    "spawn",
 					Profile: ProfileToBytes(workerProfile),
 					NodeID:  workerInfo.ID,
-					Tasks:   r.tcb,
+					Tasks:   r.testCasesBytes,
 				}
 			} else {
 				workerInfo.getStream() <- &messager.StreamResponse{
@@ -1323,22 +1346,22 @@ func (r *masterRunner) rebalance() error {
 		return true
 	})

-	log.Warn().Msg("send rebalance data to worker successful")
+	log.Warn().Msg("send rebalance data to worker successfully")
 	return nil
 }

-func (r *masterRunner) fetchTestCase() ([]byte, error) {
+func (r *masterRunner) fetchTestCases() ([]byte, error) {
 	ticker := time.NewTicker(30 * time.Second)
-	if len(r.testCaseBytes) > 0 {
-		<-r.testCaseBytes
+	if len(r.testCaseBytesChan) > 0 {
+		<-r.testCaseBytesChan
 	}
 	r.parseTestCasesChan <- true
 	select {
 	case <-ticker.C:
 		return nil, errors.New("parse testcases timeout")
-	case tcb := <-r.testCaseBytes:
-		r.tcb = tcb
-		return tcb, nil
+	case testCasesBytes := <-r.testCaseBytesChan:
+		r.testCasesBytes = testCasesBytes
+		return testCasesBytes, nil
 	}
 }

@@ -1369,22 +1392,23 @@ func (r *masterRunner) close() {
 func (r *masterRunner) reportStats() {
 	currentTime := time.Now()
 	println()
-	println("========================= HttpRunner Master for Distributed Load Testing ========================= ")
-	println(fmt.Sprintf("Current time: %s, State: %v, Current Available Workers: %v, Target Users: %v",
-		currentTime.Format("2006/01/02 15:04:05"), getStateName(r.getState()), r.server.getClientsLength(), r.getSpawnCount()))
+	println("==================================== HttpRunner Master for Distributed Load Testing ==================================== ")
+	println(fmt.Sprintf("Current time: %s, State: %v, Current Available Workers: %v, Target Users: %v, Current Users: %v",
+		currentTime.Format("2006/01/02 15:04:05"), getStateName(r.getState()), r.server.getAvailableClientsLength(), r.getSpawnCount(), r.server.getCurrentUsers()))
 	table := tablewriter.NewWriter(os.Stdout)
-	table.SetColMinWidth(0, 20)
+	table.SetColMinWidth(0, 40)
 	table.SetColMinWidth(1, 10)
+	table.SetColMinWidth(2, 10)
 	table.SetHeader([]string{"Worker ID", "IP", "State", "Current Users", "CPU Usage (%)", "Memory Usage (%)"})

 	for _, worker := range r.server.getAllWorkers() {
 		row := make([]string, 6)
 		row[0] = worker.ID
 		row[1] = worker.IP
-		row[2] = fmt.Sprintf("%v", getStateName(worker.getState()))
-		row[3] = fmt.Sprintf("%v", worker.getUserCount())
-		row[4] = fmt.Sprintf("%.2f", worker.getCPUUsage())
-		row[5] = fmt.Sprintf("%.2f", worker.getMemoryUsage())
+		row[2] = fmt.Sprintf("%v", getStateName(worker.State))
+		row[3] = fmt.Sprintf("%v", worker.UserCount)
+		row[4] = fmt.Sprintf("%.2f", worker.CPUUsage)
+		row[5] = fmt.Sprintf("%.2f", worker.MemoryUsage)
 		table.Append(row)
 	}
 	table.Render()
--- a/hrp/internal/boomer/runner_test.go
+++ b/hrp/internal/boomer/runner_test.go
@@ -338,6 +338,7 @@ func TestOnQuitMessage(t *testing.T) {
 	go runner.onMessage(newGenericMessage("quit", nil, runner.nodeID))
 	close(runner.doneChan)
 	<-runner.closeChan
+	runner.onQuiting()
 	if runner.getState() != StateQuitting {
 		t.Error("Runner's state should be StateQuitting")
 	}
@@ -348,6 +349,7 @@ func TestOnQuitMessage(t *testing.T) {
 	runner.client.shutdownChan = make(chan bool)
 	runner.onMessage(newGenericMessage("quit", nil, runner.nodeID))
 	<-runner.closeChan
+	runner.onQuiting()
 	if runner.getState() != StateQuitting {
 		t.Error("Runner's state should be StateQuitting")
 	}
@@ -395,7 +397,7 @@ func TestOnMessage(t *testing.T) {

 	// increase goroutines while running
 	runner.onMessage(newMessageToWorker("rebalance", ProfileToBytes(&Profile{SpawnCount: 15, SpawnRate: 15}), nil, nil))
-	runner.rebalance <- true
+	runner.controller.rebalance <- true

 	time.Sleep(2 * time.Second)
 	if runner.getState() != StateRunning {
@@ -460,6 +462,7 @@ func TestClientListener(t *testing.T) {
 	runner.updateState(StateInit)
 	runner.setSpawnCount(10)
 	runner.setSpawnRate(10)
+	go runner.stateMachine()
 	go runner.clientListener()
 	runner.server.clients.Store("testID1", &WorkerNode{ID: "testID1", Heartbeat: 3, stream: make(chan *messager.StreamResponse, 10)})
 	runner.server.clients.Store("testID2", &WorkerNode{ID: "testID2", Heartbeat: 3, stream: make(chan *messager.StreamResponse, 10)})
@@ -483,6 +486,7 @@ func TestClientListener(t *testing.T) {
 		Type:   typeClientStopped,
 		NodeID: "testID2",
 	}
+	runner.updateState(StateRunning)
 	worker2, ok := runner.server.getClients().Load("testID2")
 	if !ok {
 		t.Fatal("error")
@@ -515,7 +519,7 @@ func TestHeartbeatWorker(t *testing.T) {
 	runner.server.clients.Store("testID2", &WorkerNode{ID: "testID2", Heartbeat: 1, State: StateInit, stream: make(chan *messager.StreamResponse, 10)})
 	go runner.clientListener()
 	go runner.heartbeatWorker()
-	time.Sleep(3 * time.Second)
+	time.Sleep(4 * time.Second)
 	worker1, ok := runner.server.getClients().Load("testID1")
 	if !ok {
 		t.Fatal()
@@ -525,7 +529,7 @@ func TestHeartbeatWorker(t *testing.T) {
 		t.Fatal()
 	}
 	if workerInfo1.getState() != StateMissing {
-		t.Error("expected state of worker runner is missing, but got", workerInfo1.getState())
+		t.Error("expected state of worker runner is missing, but got", getStateName(workerInfo1.getState()))
 	}
 	runner.server.recvChannel() <- &genericMessage{
 		Type:   typeHeartbeat,
--- a/hrp/internal/boomer/server_grpc.go
+++ b/hrp/internal/boomer/server_grpc.go
@@ -53,6 +53,24 @@ func (w *WorkerNode) setState(state int32) {
 	atomic.StoreInt32(&w.State, state)
 }

+func (w *WorkerNode) isStarting() bool {
+	return w.getState() == StateRunning || w.getState() == StateSpawning
+}
+
+func (w *WorkerNode) isStopping() bool {
+	return w.getState() == StateStopping
+}
+
+func (w *WorkerNode) isAvailable() bool {
+	state := w.getState()
+	return state != StateMissing && state != StateQuitting
+}
+
+func (w *WorkerNode) isReady() bool {
+	state := w.getState()
+	return state == StateInit || state == StateStopped
+}
+
 func (w *WorkerNode) updateHeartbeat(heartbeat int32) {
 	atomic.StoreInt32(&w.Heartbeat, heartbeat)
 }
@@ -130,8 +148,8 @@ func (w *WorkerNode) getMemoryUsage() float64 {
 }

 func (w *WorkerNode) setStream(stream chan *messager.StreamResponse) {
-	w.mutex.RLock()
-	defer w.mutex.RUnlock()
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
 	w.stream = stream
 }

@@ -302,26 +320,19 @@ func (s *grpcServer) Register(ctx context.Context, req *messager.RegisterRequest
 	wn := newWorkerNode(req.NodeID, clientIp, req.Os, req.Arch)
 	s.clients.Store(req.NodeID, wn)
 	log.Warn().Str("worker id", req.NodeID).Msg("worker joined")
-	return &messager.RegisterResponse{Code: "0", Message: "register successfully"}, nil
+	return &messager.RegisterResponse{Code: "0", Message: "register successful"}, nil
 }

 func (s *grpcServer) SignOut(_ context.Context, req *messager.SignOutRequest) (*messager.SignOutResponse, error) {
 	// delete worker information
 	s.clients.Delete(req.NodeID)
 	log.Warn().Str("worker id", req.NodeID).Msg("worker quited")
-	return &messager.SignOutResponse{Code: "0", Message: "sign out successfully"}, nil
+	return &messager.SignOutResponse{Code: "0", Message: "sign out successful"}, nil
 }

-func (s *grpcServer) valid(token string) (isValid bool) {
-	s.clients.Range(func(key, value interface{}) bool {
-		if workerInfo, ok := value.(*WorkerNode); ok {
-			if workerInfo.ID == token {
-				isValid = true
-			}
-		}
-		return true
-	})
-	return
+func (s *grpcServer) validClientToken(token string) bool {
+	_, ok := s.clients.Load(token)
+	return ok
 }

 func (s *grpcServer) BidirectionalStreamingMessage(srv messager.Message_BidirectionalStreamingMessageServer) error {
@@ -332,7 +343,7 @@ func (s *grpcServer) BidirectionalStreamingMessage(srv messager.Message_Bidirect
 		return status.Error(codes.Unauthenticated, "missing token header")
 	}

-	ok = s.valid(token)
+	ok = s.validClientToken(token)
 	if !ok {
 		return status.Error(codes.Unauthenticated, "invalid token")
 	}
@@ -404,7 +415,7 @@ func (s *grpcServer) sendMsg(srv messager.Message_BidirectionalStreamingMessageS
 func (s *grpcServer) sendBroadcasts(msg *genericMessage) {
 	s.clients.Range(func(key, value interface{}) bool {
 		if workerInfo, ok := value.(*WorkerNode); ok {
-			if workerInfo.getState() == StateQuitting || workerInfo.getState() == StateMissing {
+			if !workerInfo.isAvailable() {
 				return true
 			}
 			workerInfo.getStream() <- &messager.StreamResponse{
@@ -517,10 +528,10 @@ func (s *grpcServer) getClients() *sync.Map {
 	return s.clients
 }

-func (s *grpcServer) getClientsLength() (l int) {
+func (s *grpcServer) getAvailableClientsLength() (l int) {
 	s.clients.Range(func(key, value interface{}) bool {
 		if workerInfo, ok := value.(*WorkerNode); ok {
-			if workerInfo.getState() != StateQuitting && workerInfo.getState() != StateMissing {
+			if workerInfo.isAvailable() {
 				l++
 			}
 		}
@@ -528,3 +539,39 @@ func (s *grpcServer) getClientsLength() (l int) {
 	})
 	return
 }
+
+func (s *grpcServer) getReadyClientsLength() (l int) {
+	s.clients.Range(func(key, value interface{}) bool {
+		if workerInfo, ok := value.(*WorkerNode); ok {
+			if workerInfo.isReady() {
+				l++
+			}
+		}
+		return true
+	})
+	return
+}
+
+func (s *grpcServer) getStartingClientsLength() (l int) {
+	s.clients.Range(func(key, value interface{}) bool {
+		if workerInfo, ok := value.(*WorkerNode); ok {
+			if workerInfo.isStarting() {
+				l++
+			}
+		}
+		return true
+	})
+	return
+}
+
+func (s *grpcServer) getCurrentUsers() (l int) {
+	s.clients.Range(func(key, value interface{}) bool {
+		if workerInfo, ok := value.(*WorkerNode); ok {
+			if workerInfo.isStarting() {
+				l += int(workerInfo.getUserCount())
+			}
+		}
+		return true
+	})
+	return
+}
--- a/hrp/internal/dial/curl.go
+++ b/hrp/internal/dial/curl.go
@@ -0,0 +1,72 @@
+package dial
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"time"
+
+	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+)
+
+const (
+	normalResult = "STDOUT"
+	errorResult  = "STDERR"
+	failedResult = "FAILED"
+)
+
+type CurlResult struct {
+	Result     string `json:"result"`
+	ErrorMsg   string `json:"errorMsg"`
+	ResultType string `json:"resultType"`
+}
+
+func DoCurl(args []string) (err error) {
+	var saveTests bool
+	for i, arg := range args {
+		if arg == "--save-tests" {
+			args = append(args[:i], args[i+1:]...)
+			saveTests = true
+		}
+	}
+	var curlResult CurlResult
+	defer func() {
+		if saveTests {
+			dir, _ := os.Getwd()
+			curlResultName := fmt.Sprintf("curl_result_%v.json", time.Now().Format("20060102150405"))
+			curlResultPath := filepath.Join(dir, curlResultName)
+			err = builtin.Dump2JSON(curlResult, curlResultPath)
+			if err != nil {
+				log.Error().Err(err).Msg("save dns resolution result failed")
+			}
+		}
+	}()
+
+	cmd := exec.Command("curl", args...)
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+
+	err = cmd.Run()
+	if err != nil {
+		log.Error().Err(err).Msgf("fail to run curl command")
+		curlResult.ErrorMsg = err.Error()
+		curlResult.Result = stderr.String()
+		curlResult.ResultType = errorResult
+		return
+	}
+	if stdout.String() != "" {
+		fmt.Printf(stdout.String())
+		curlResult.Result = stdout.String()
+		curlResult.ResultType = normalResult
+	} else if stderr.String() != "" {
+		fmt.Printf(stderr.String())
+		curlResult.ErrorMsg = stderr.String()
+		curlResult.ResultType = errorResult
+	}
+	return
+}
--- a/hrp/internal/dial/dns.go
+++ b/hrp/internal/dial/dns.go
@@ -0,0 +1,251 @@
+package dial
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/miekg/dns"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+)
+
+const (
+	httpDnsUrl   = "https://dig.bdurl.net/q"
+	googleDnsUrl = "https://dns.google/resolve"
+)
+
+const (
+	DnsSourceTypeLocal = iota
+	DnsSourceTypeHttp
+	DnsSourceTypeGoogle
+)
+
+const (
+	DnsRecordTypeA     = 1
+	DnsRecordTypeAAAA  = 28
+	DnsRecordTypeCNAME = 5
+)
+
+var dnsHttpClient = &http.Client{
+	Timeout: 5 * time.Minute,
+}
+
+type DnsOptions struct {
+	DnsSourceType int
+	DnsRecordType int
+	DnsServer     string
+	SaveTests     bool
+}
+
+type DnsResult struct {
+	DnsList       []string `json:"dnsList"`
+	DnsSource     int      `json:"dnsType"`
+	DnsRecordType int      `json:"dnsRecordType"`
+	DnsServer     string   `json:"dnsServer,omitempty"`
+	Ttl           int      `json:"ttl"`
+	Suc           bool     `json:"suc"`
+	ErrMsg        string   `json:"errMsg"`
+}
+
+type googleDnsResp struct {
+	Answer []googleDnsAnswer `json:"Answer"`
+}
+
+type httpDnsResp struct {
+	Ips []string `json:"ips"`
+	Ttl int      `json:"ttl"`
+}
+
+type googleDnsAnswer struct {
+	Name string `json:"name"`
+	Type int    `json:"type"`
+	TTL  int    `json:"TTL"`
+	Data string `json:"data"`
+}
+
+func ParseIP(s string) (net.IP, int) {
+	ip := net.ParseIP(s)
+	if ip == nil {
+		return nil, 0
+	}
+	for i := 0; i < len(s); i++ {
+		switch s[i] {
+		case '.':
+			return ip, 4
+		case ':':
+			return ip, 6
+		}
+	}
+	return nil, 0
+}
+
+func localDns(src string, dnsRecordType int, dnsServer string) (dnsResult DnsResult, err error) {
+	dnsResult.DnsSource = DnsSourceTypeLocal
+	dnsResult.DnsRecordType = dnsRecordType
+
+	if dnsServer == "" {
+		config, _ := dns.ClientConfigFromFile("/etc/resolv.conf")
+		dnsServer = config.Servers[0]
+	} else {
+		dnsResult.DnsServer = dnsServer
+	}
+
+	_, ipType := ParseIP(dnsServer)
+	if ipType == 4 {
+		dnsServer += ":53"
+	}
+
+	c := dns.Client{
+		Timeout: 5 * time.Second,
+	}
+	m := dns.Msg{}
+
+	m.SetQuestion(src+".", uint16(dnsRecordType))
+	r, _, err := c.Exchange(&m, dnsServer)
+	if err != nil {
+		return
+	}
+	for _, ans := range r.Answer {
+		switch dnsRecordType {
+		case DnsRecordTypeA:
+			record, isType := ans.(*dns.A)
+			if isType {
+				dnsResult.Ttl = int(record.Hdr.Ttl)
+				dnsResult.DnsList = append(dnsResult.DnsList, record.A.String())
+			}
+		case DnsRecordTypeAAAA:
+			record, isType := ans.(*dns.AAAA)
+			if isType {
+				dnsResult.Ttl = int(record.Hdr.Ttl)
+				dnsResult.DnsList = append(dnsResult.DnsList, record.AAAA.String())
+			}
+		case DnsRecordTypeCNAME:
+			record, isType := ans.(*dns.CNAME)
+			if isType {
+				dnsResult.Ttl = int(record.Hdr.Ttl)
+				dnsResult.DnsList = append(dnsResult.DnsList, record.Target)
+			}
+		}
+	}
+	return
+}
+
+func httpDns(url string, dnsRecordType int) (dnsResult DnsResult, err error) {
+	target := httpDnsUrl + "?host=" + url
+	if dnsRecordType == DnsRecordTypeAAAA {
+		target += "&aid=13&f=2"
+	}
+	resp, err := dnsHttpClient.Get(target)
+
+	dnsResult.DnsSource = DnsSourceTypeHttp
+	dnsResult.DnsRecordType = dnsRecordType
+
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+	var buf []byte
+	buf, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return
+	}
+	var result httpDnsResp
+	err = json.Unmarshal(buf, &result)
+	if err != nil {
+		return
+	}
+	dnsResult.DnsList = result.Ips
+	dnsResult.Ttl = result.Ttl
+	return
+}
+
+func googleDns(url string, dnsRecordType int) (dnsResult DnsResult, err error) {
+	resp, err := dnsHttpClient.Get(googleDnsUrl + "?name=" + url + "&type=" + strconv.Itoa(dnsRecordType))
+
+	dnsResult.DnsSource = DnsSourceTypeGoogle
+	dnsResult.DnsRecordType = dnsRecordType
+
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+	var buf []byte
+	buf, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return
+	}
+	var result googleDnsResp
+	err = json.Unmarshal(buf, &result)
+	if err != nil {
+		return
+	}
+	if len(result.Answer) == 0 {
+		return
+	}
+	for _, answer := range result.Answer {
+		if answer.Type == dnsRecordType {
+			dnsResult.Ttl = answer.TTL
+			dnsResult.DnsList = append(dnsResult.DnsList, answer.Data)
+		}
+	}
+	return
+}
+
+func DoDns(dnsOptions *DnsOptions, args []string) (err error) {
+	if len(args) != 1 {
+		return errors.New("there should be one argument")
+	}
+
+	var dnsResult DnsResult
+	defer func() {
+		if dnsOptions.SaveTests {
+			dir, _ := os.Getwd()
+			dnsResultName := fmt.Sprintf("dns_result_%v.json", time.Now().Format("20060102150405"))
+			dnsResultPath := filepath.Join(dir, dnsResultName)
+			err = builtin.Dump2JSON(dnsResult, dnsResultPath)
+			if err != nil {
+				log.Error().Err(err).Msg("save dns resolution result failed")
+			}
+		}
+	}()
+
+	dnsTarget := args[0]
+
+	parsedURL, err := url.Parse(dnsTarget)
+	if err == nil && parsedURL.Host != "" {
+		log.Info().Msgf("parse input url %v and extract host %v", dnsTarget, parsedURL.Host)
+		dnsTarget = strings.Split(parsedURL.Host, ":")[0]
+	}
+	log.Info().Msgf("resolve DNS for %v", dnsTarget)
+	dnsRecordType := dnsOptions.DnsRecordType
+	dnsServer := dnsOptions.DnsServer
+	switch dnsOptions.DnsSourceType {
+	case DnsSourceTypeLocal:
+		dnsResult, err = localDns(dnsTarget, dnsRecordType, dnsServer)
+	case DnsSourceTypeHttp:
+		dnsResult, err = httpDns(dnsTarget, dnsRecordType)
+	case DnsSourceTypeGoogle:
+		dnsResult, err = googleDns(dnsTarget, dnsRecordType)
+	}
+	if err != nil {
+		dnsResult.Suc = false
+		dnsResult.ErrMsg = err.Error()
+		log.Error().Err(err).Msgf("fail to do DNS for %s", dnsTarget)
+	} else {
+		dnsResult.Suc = true
+		dnsResult.ErrMsg = ""
+		fmt.Printf("\nDNS resolution done, result IP list: %v\n", dnsResult.DnsList)
+	}
+	return
+}
--- a/hrp/internal/dial/ping.go
+++ b/hrp/internal/dial/ping.go
@@ -0,0 +1,116 @@
+package dial
+
+import (
+	"fmt"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/go-ping/ping"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
+)
+
+type PingOptions struct {
+	Count     int
+	Timeout   time.Duration
+	Interval  time.Duration
+	SaveTests bool
+}
+
+type PingResult struct {
+	Suc                bool   `json:"suc"`
+	ErrMsg             string `json:"errMsg"`
+	Ip                 string `json:"ip"`
+	AvgCost            int    `json:"avgCost"`
+	MaxCost            int    `json:"maxCost"`
+	MinCost            int    `json:"minCost"`
+	Lost               int    `json:"lost"`
+	PingCount          int    `json:"pingCount"`
+	PacketSize         int    `json:"packetSize"`
+	ReceivePacketCount int    `json:"receivePacketCount"`
+	SendPacketCount    int    `json:"sendPacketCount"`
+	SuccessCount       int    `json:"successCount"`
+	DebugLog           string `json:"debugLog"`
+}
+
+func DoPing(pingOptions *PingOptions, args []string) (err error) {
+	if len(args) != 1 {
+		return errors.New("there should be one argument")
+	}
+
+	var pingResult PingResult
+	defer func() {
+		if pingOptions.SaveTests {
+			dir, _ := os.Getwd()
+			pingResultName := fmt.Sprintf("ping_result_%v.json", time.Now().Format("20060102150405"))
+			pingResultPath := filepath.Join(dir, pingResultName)
+			err = builtin.Dump2JSON(pingResult, pingResultPath)
+			if err != nil {
+				log.Error().Err(err).Msg("save ping result failed")
+			}
+		}
+	}()
+
+	pingTarget := args[0]
+
+	parsedURL, err := url.Parse(pingTarget)
+	if err == nil && parsedURL.Host != "" {
+		log.Info().Msgf("parse input url %v and extract host %v", pingTarget, parsedURL.Host)
+		pingTarget = strings.Split(parsedURL.Host, ":")[0]
+	}
+
+	log.Info().Msgf("ping host %v", pingTarget)
+	pinger, err := ping.NewPinger(pingTarget)
+	if err != nil {
+		log.Error().Err(err).Msgf("fail to get pinger for %s", pingTarget)
+		pingResult.Suc = false
+		pingResult.ErrMsg = err.Error()
+		pingResult.DebugLog = err.Error()
+		return
+	}
+	pinger.Count = pingOptions.Count
+	pinger.Timeout = pingOptions.Timeout
+	pinger.Interval = pingOptions.Interval
+
+	pinger.OnRecv = func(pkt *ping.Packet) {
+		pingResult.DebugLog += fmt.Sprintf("%d bytes from %s: icmp_seq=%d time=%v\n",
+			pkt.Nbytes, pkt.IPAddr, pkt.Seq, pkt.Rtt)
+	}
+	pinger.OnFinish = func(stats *ping.Statistics) {
+		pingResult.DebugLog += fmt.Sprintf("\n--- %s ping statistics ---\n", stats.Addr)
+		pingResult.DebugLog += fmt.Sprintf("%d packets transmitted, %d packets received, %v%% packet loss\n",
+			stats.PacketsSent, stats.PacketsRecv, stats.PacketLoss)
+		pingResult.DebugLog += fmt.Sprintf("round-trip min/avg/max/stddev = %v/%v/%v/%v\n",
+			stats.MinRtt, stats.AvgRtt, stats.MaxRtt, stats.StdDevRtt)
+	}
+	pingResult.DebugLog += fmt.Sprintf("PING %s (%s):\n", pinger.Addr(), pinger.IPAddr())
+
+	err = pinger.Run() // blocks until finished
+	if err != nil {
+		log.Error().Err(err).Msgf("fail to run ping for %s", parsedURL)
+		pingResult.Suc = false
+		pingResult.ErrMsg = err.Error()
+		pingResult.DebugLog = err.Error()
+		return
+	}
+	fmt.Print(pingResult.DebugLog)
+	stats := pinger.Statistics() // get send/receive/rtt stats
+	pingResult.Ip = pinger.IPAddr().String()
+	pingResult.AvgCost = int(stats.AvgRtt / time.Millisecond)
+	pingResult.MaxCost = int(stats.MaxRtt / time.Millisecond)
+	pingResult.MinCost = int(stats.MinRtt / time.Millisecond)
+	pingResult.Lost = int(stats.PacketLoss)
+	pingResult.PingCount = pingOptions.Count
+	pingResult.PacketSize = pinger.Size
+	pingResult.ReceivePacketCount = stats.PacketsRecv
+	pingResult.SendPacketCount = stats.PacketsSent
+	pingResult.SuccessCount = stats.PacketsRecv
+	pingResult.Suc = true
+	pingResult.ErrMsg = ""
+	return
+}
--- a/hrp/internal/dial/traceroute.go
+++ b/hrp/internal/dial/traceroute.go
@@ -0,0 +1,20 @@
+package dial
+
+type TraceRouteOptions struct {
+	MaxTTL    int
+	Queries   int
+	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"`
+}
--- a/hrp/internal/dial/traceroute_unix.go
+++ b/hrp/internal/dial/traceroute_unix.go
@@ -0,0 +1,106 @@
+//go:build darwin || linux
+// +build darwin linux
+
+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 (
+	regexIPAddr            = regexp.MustCompile(`([\d.]+)`)
+	regexElapsedTime       = regexp.MustCompile(`(\d+\.\d+)`)
+	regexTraceroutePass    = regexp.MustCompile(fmt.Sprintf(`(\d+)[\s*]+(\S+)\s+\(%s\)\s+%s\s+ms`, regexIPAddr, regexElapsedTime))
+	regexTracerouteFailure = regexp.MustCompile(`(\d+)[\s*]+$`)
+)
+
+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("traceroute", "-m", strconv.Itoa(traceRouteOptions.MaxTTL),
+		"-q", strconv.Itoa(traceRouteOptions.Queries), 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 := regexTracerouteFailure.FindStringSubmatch(hopLine)
+		if len(failureLine) == 2 {
+			hopID, _ := strconv.Atoi(failureLine[1])
+			traceRouteResult.Details = append(traceRouteResult.Details, TraceRouteResultNode{
+				Id: hopID,
+			})
+			continue
+		}
+		passLine := regexTraceroutePass.FindStringSubmatch(hopLine)
+		if len(passLine) == 5 {
+			hopID, _ := strconv.Atoi(passLine[1])
+			traceRouteResult.Details = append(traceRouteResult.Details, TraceRouteResultNode{
+				Id:   hopID,
+				Ip:   passLine[3],
+				Time: passLine[4],
+			})
+			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
+}
--- a/hrp/internal/dial/traceroute_windows.go
+++ b/hrp/internal/dial/traceroute_windows.go
@@ -0,0 +1,105 @@
+//go:build windows
+// +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
+}
--- a/hrp/plugin.go
+++ b/hrp/plugin.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"sync"

 	"github.com/httprunner/funplugin"
 	"github.com/httprunner/funplugin/fungo"
@@ -24,7 +25,7 @@ const (

 const projectInfoFile = "proj.json" // used for ensuring root project

-var pluginMap = map[string]funplugin.IPlugin{} // used for reusing plugin instance
+var pluginMap = sync.Map{} // used for reusing plugin instance

 func initPlugin(path, venv string, logOn bool) (plugin funplugin.IPlugin, err error) {
 	// plugin file not found
@@ -37,8 +38,8 @@ func initPlugin(path, venv string, logOn bool) (plugin funplugin.IPlugin, err er
 	}

 	// reuse plugin instance if it already initialized
-	if p, ok := pluginMap[pluginPath]; ok {
-		return p, nil
+	if p, ok := pluginMap.Load(pluginPath); ok {
+		return p.(funplugin.IPlugin), nil
 	}

 	pluginOptions := []funplugin.Option{funplugin.WithLogOn(logOn)}
@@ -74,7 +75,7 @@ func initPlugin(path, venv string, logOn bool) (plugin funplugin.IPlugin, err er
 	}

 	// add plugin instance to plugin map
-	pluginMap[pluginPath] = plugin
+	pluginMap.Store(pluginPath, plugin)

 	// report event for initializing plugin
 	event := sdk.EventTracking{
--- a/hrp/runner.go
+++ b/hrp/runner.go
@@ -17,6 +17,7 @@ import (
 	"github.com/rs/zerolog/log"
 	"golang.org/x/net/http2"

+	"github.com/httprunner/funplugin"
 	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
 	"github.com/httprunner/httprunner/v4/hrp/internal/sdk"
 )
@@ -188,11 +189,12 @@ func (r *HRPRunner) Run(testcases ...ITestCase) error {

 	// quit all plugins
 	defer func() {
-		if len(pluginMap) > 0 {
-			for _, plugin := range pluginMap {
+		pluginMap.Range(func(key, value interface{}) bool {
+			if plugin, ok := value.(funplugin.IPlugin); ok {
 				plugin.Quit()
 			}
-		}
+			return true
+		})
 	}()

 	var runErr error
@@ -285,15 +287,17 @@ func (r *HRPRunner) newCaseRunner(testcase *TestCase) (*testCaseRunner, error) {
 	// load plugin info to testcase config
 	if plugin != nil {
 		pluginPath, _ := locatePlugin(testcase.Config.Path)
-		pluginContent, err := builtin.ReadFile(pluginPath)
-		if err != nil {
-			return nil, err
-		}
-		tp := strings.Split(plugin.Path(), ".")
-		runner.parsedConfig.PluginSetting = &PluginConfig{
-			Path:    pluginPath,
-			Content: pluginContent,
-			Type:    tp[len(tp)-1],
+		if runner.parsedConfig.PluginSetting == nil {
+			pluginContent, err := builtin.ReadFile(pluginPath)
+			if err != nil {
+				return nil, err
+			}
+			tp := strings.Split(plugin.Path(), ".")
+			runner.parsedConfig.PluginSetting = &PluginConfig{
+				Path:    pluginPath,
+				Content: pluginContent,
+				Type:    tp[len(tp)-1],
+			}
 		}
 	}

--- a/hrp/runner_test.go
+++ b/hrp/runner_test.go
@@ -24,7 +24,7 @@ func removeHashicorpGoPlugin() {
 	log.Info().Msg("[teardown] remove hashicorp go plugin")
 	os.Remove(tmpl("debugtalk.bin"))
 	pluginPath, _ := filepath.Abs(tmpl("debugtalk.bin"))
-	delete(pluginMap, pluginPath)
+	pluginMap.Delete(pluginPath)
 }

 func buildHashicorpPyPlugin() {
--- a/hrp/server.go
+++ b/hrp/server.go
@@ -191,7 +191,7 @@ func (api *apiHandler) Start(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	req := StartRequestBody{
-		Profile: *api.boomer.GetProfile(),
+		Profile: *boomer.NewProfile(),
 	}
 	err = mapstructure.Decode(data, &req)
 	if err != nil {
--- a/hrp/step_request.go
+++ b/hrp/step_request.go
@@ -387,13 +387,16 @@ func runStepRequest(r *SessionRunner, step *TStep) (stepResult *StepResult, err
 	if err != nil {
 		return stepResult, errors.Wrap(err, "do request failed")
 	}
-	defer resp.Body.Close()
+	if resp != nil {
+		defer resp.Body.Close()
+	}

 	// decode response body in br/gzip/deflate formats
 	err = decodeResponseBody(resp)
 	if err != nil {
 		return stepResult, errors.Wrap(err, "decode response body failed")
 	}
+	defer resp.Body.Close()

 	// log & print response
 	if r.LogOn() {
--- a/hrp/testcase.go
+++ b/hrp/testcase.go
@@ -104,10 +104,6 @@ func (tc *TCase) ToTestCase(casePath string) (*TestCase, error) {
 		return nil, errors.New("invalid testcase format, missing teststeps!")
 	}

-	err := tc.MakeCompat()
-	if err != nil {
-		return nil, err
-	}
 	if tc.Config == nil {
 		tc.Config = &TConfig{Name: "please input testcase name"}
 	}
@@ -121,6 +117,11 @@ func (tc *TCase) toTestCase() (*TestCase, error) {
 		Config: tc.Config,
 	}

+	err := tc.MakeCompat()
+	if err != nil {
+		return nil, err
+	}
+
 	// locate project root dir by plugin path
 	projectRootDir, err := GetProjectRootDirPath(tc.Config.Path)
 	if err != nil {
--- a/httprunner/database/engine.py
+++ b/httprunner/database/engine.py
@@ -37,6 +37,7 @@ class DBEngine(object):
                    pass

    def _fetch(self, query, size=-1, commit=True):
+        query = query.strip()
        result = self.session.execute(query)
        if query.upper()[:6] == "SELECT":
            if size < 0:
@@ -80,5 +81,6 @@ class DBEngine(object):
 if __name__ == "__main__":
    # db = DBEngine(f"mysql+pymysql://xxxxx:xxxxx@10.0.0.1:3306/dbname?charset=utf8mb4")
    db = DBEngine(f"sqlite:////Users/bytedance/HttpRunner/examples/data/sqlite.db")
-    print(db.fetchmany("select* from student", 5))
+    print(db.fetchmany("""
+    select* from student""", 5))
    print(db.fetchmany("select* from student", 5))