How to use killRunner method of lang Package

Best Gauge code snippet using lang.killRunner

runner.go

Source:runner.go

...84		if done {85			return nil86		}87	case <-time.After(config.PluginKillTimeout()):88		return r.killRunner()89	}90	return nil91}92func (r *MultithreadedRunner) Connection() net.Conn {93	return r.r.connection94}95func (r *MultithreadedRunner) killRunner() error {96	if r.r.Cmd != nil && r.r.Cmd.Process != nil {97		logger.Warningf(true, "Killing runner with PID:%d forcefully", r.r.Cmd.Process.Pid)98		return r.r.Cmd.Process.Kill()99	}100	return nil101}102func (r *MultithreadedRunner) Pid() int {103	return -1104}105func (r *MultithreadedRunner) ExecuteAndGetStatus(message *gauge_messages.Message) *gauge_messages.ProtoExecutionResult {106	return r.r.ExecuteAndGetStatus(message)107}108func (r *MultithreadedRunner) ExecuteMessageWithTimeout(message *gauge_messages.Message) (*gauge_messages.Message, error) {109	r.r.EnsureConnected()110	return conn.GetResponseForMessageWithTimeout(message, r.r.Connection(), config.RunnerRequestTimeout())111}112type RunnerInfo struct {113	Id          string114	Name        string115	Version     string116	Description string117	Run         struct {118		Windows []string119		Linux   []string120		Darwin  []string121	}122	Init struct {123		Windows []string124		Linux   []string125		Darwin  []string126	}127	Lib                 string128	Multithreaded       bool129	GaugeVersionSupport version.VersionSupport130	LspLangId           string131}132func ExecuteInitHookForRunner(language string) error {133	if err := config.SetProjectRoot([]string{}); err != nil {134		return err135	}136	runnerInfo, err := GetRunnerInfo(language)137	if err != nil {138		return err139	}140	command := []string{}141	switch runtime.GOOS {142	case "windows":143		command = runnerInfo.Init.Windows144		break145	case "darwin":146		command = runnerInfo.Init.Darwin147		break148	default:149		command = runnerInfo.Init.Linux150		break151	}152	languageJSONFilePath, err := plugin.GetLanguageJSONFilePath(language)153	runnerDir := filepath.Dir(languageJSONFilePath)154	cmd, err := common.ExecuteCommand(command, runnerDir, os.Stdout, os.Stderr)155	if err != nil {156		return err157	}158	return cmd.Wait()159}160func GetRunnerInfo(language string) (*RunnerInfo, error) {161	runnerInfo := new(RunnerInfo)162	languageJSONFilePath, err := plugin.GetLanguageJSONFilePath(language)163	if err != nil {164		return nil, err165	}166	contents, err := common.ReadFileContents(languageJSONFilePath)167	if err != nil {168		return nil, err169	}170	err = json.Unmarshal([]byte(contents), &runnerInfo)171	if err != nil {172		return nil, err173	}174	return runnerInfo, nil175}176func (r *LanguageRunner) Alive() bool {177	r.mutex.Lock()178	ps := r.Cmd.ProcessState179	r.mutex.Unlock()180	return ps == nil || !ps.Exited()181}182func (r *LanguageRunner) EnsureConnected() bool {183	if r.lostContact {184		return false185	}186	c := r.connection187	c.SetReadDeadline(time.Now())188	var one []byte189	_, err := c.Read(one)190	if err == io.EOF {191		r.lostContact = true192		logger.Fatalf(true, "Connection to runner with Pid %d lost. The runner probably quit unexpectedly. Inspect logs for potential reasons. Error : %s", r.Cmd.Process.Pid, err.Error())193	}194	opErr, ok := err.(*net.OpError)195	if ok && !(opErr.Temporary() || opErr.Timeout()) {196		r.lostContact = true197		logger.Fatalf(true, "Connection to runner with Pid %d lost. The runner probably quit unexpectedly. Inspect logs for potential reasons. Error : %s", r.Cmd.Process.Pid, err.Error())198	}199	var zero time.Time200	c.SetReadDeadline(zero)201	return true202}203func (r *LanguageRunner) IsMultithreaded() bool {204	return r.multiThreaded205}206func (r *LanguageRunner) Kill() error {207	if r.Alive() {208		defer r.connection.Close()209		conn.SendProcessKillMessage(r.connection)210		exited := make(chan bool, 1)211		go func() {212			for {213				if r.Alive() {214					time.Sleep(100 * time.Millisecond)215				} else {216					exited <- true217					return218				}219			}220		}()221		select {222		case done := <-exited:223			if done {224				return nil225			}226		case <-time.After(config.PluginKillTimeout()):227			logger.Warningf(true, "Killing runner with PID:%d forcefully", r.Cmd.Process.Pid)228			return r.killRunner()229		}230	}231	return nil232}233func (r *LanguageRunner) Connection() net.Conn {234	return r.connection235}236func (r *LanguageRunner) killRunner() error {237	return r.Cmd.Process.Kill()238}239func (r *LanguageRunner) Pid() int {240	return r.Cmd.Process.Pid241}242// ExecuteAndGetStatus invokes the runner with a request and waits for response. error is thrown only when unable to connect to runner243func (r *LanguageRunner) ExecuteAndGetStatus(message *gauge_messages.Message) *gauge_messages.ProtoExecutionResult {244	if !r.EnsureConnected() {245		return nil246	}247	response, err := conn.GetResponseForMessageWithTimeout(message, r.connection, 0)248	if err != nil {249		return &gauge_messages.ProtoExecutionResult{Failed: true, ErrorMessage: err.Error()}250	}251	if response.GetMessageType() == gauge_messages.Message_ExecutionStatusResponse {252		executionResult := response.GetExecutionStatusResponse().GetExecutionResult()253		if executionResult == nil {254			errMsg := "ProtoExecutionResult obtained is nil"255			logger.Errorf(true, errMsg)256			return errorResult(errMsg)257		}258		return executionResult259	}260	errMsg := fmt.Sprintf("Expected ExecutionStatusResponse. Obtained: %s", response.GetMessageType())261	logger.Errorf(true, errMsg)262	return errorResult(errMsg)263}264func (r *LanguageRunner) ExecuteMessageWithTimeout(message *gauge_messages.Message) (*gauge_messages.Message, error) {265	r.EnsureConnected()266	return conn.GetResponseForMessageWithTimeout(message, r.Connection(), config.RunnerRequestTimeout())267}268func errorResult(message string) *gauge_messages.ProtoExecutionResult {269	return &gauge_messages.ProtoExecutionResult{Failed: true, ErrorMessage: message, RecoverableError: false}270}271func runRunnerCommand(manifest *manifest.Manifest, port string, debug bool, outputStreamWriter io.Writer) (*exec.Cmd, *RunnerInfo, error) {272	var r RunnerInfo273	runnerDir, err := getLanguageJSONFilePath(manifest, &r)274	if err != nil {275		return nil, nil, err276	}277	compatibilityErr := version.CheckCompatibility(version.CurrentGaugeVersion, &r.GaugeVersionSupport)278	if compatibilityErr != nil {279		return nil, nil, fmt.Errorf("Compatibility error. %s", compatibilityErr.Error())280	}281	command := getOsSpecificCommand(r)282	env := getCleanEnv(port, os.Environ(), debug, getPluginPaths())283	env = append(env, fmt.Sprintf("GAUGE_UNIQUE_INSTALLATION_ID=%s", config.UniqueID()))284	env = append(env, fmt.Sprintf("GAUGE_TELEMETRY_ENABLED=%v", config.TelemetryEnabled()))285	cmd, err := common.ExecuteCommandWithEnv(command, runnerDir, outputStreamWriter, outputStreamWriter, env)286	return cmd, &r, err287}288// Looks for a runner configuration inside the runner directory289// finds the runner configuration matching to the manifest and executes the commands for the current OS290func StartRunner(manifest *manifest.Manifest, port string, outputStreamWriter io.Writer, killChannel chan bool, debug bool) (*LanguageRunner, error) {291	cmd, r, err := runRunnerCommand(manifest, port, debug, outputStreamWriter)292	if err != nil {293		return nil, err294	}295	go func() {296		select {297		case <-killChannel:298			cmd.Process.Kill()299		}300	}()301	// Wait for the process to exit so we will get a detailed error message302	errChannel := make(chan error)303	testRunner := &LanguageRunner{Cmd: cmd, errorChannel: errChannel, mutex: &sync.Mutex{}, multiThreaded: r.Multithreaded}304	testRunner.waitAndGetErrorMessage()305	return testRunner, nil306}307func getPluginPaths() (paths []string) {308	for _, p := range plugin.PluginsWithoutScope() {309		paths = append(paths, p.Path)310	}311	return312}313func getLanguageJSONFilePath(manifest *manifest.Manifest, r *RunnerInfo) (string, error) {314	languageJSONFilePath, err := plugin.GetLanguageJSONFilePath(manifest.Language)315	if err != nil {316		return "", err317	}318	contents, err := common.ReadFileContents(languageJSONFilePath)319	if err != nil {320		return "", err321	}322	err = json.Unmarshal([]byte(contents), r)323	if err != nil {324		return "", err325	}326	return filepath.Dir(languageJSONFilePath), nil327}328func (r *LanguageRunner) waitAndGetErrorMessage() {329	go func() {330		pState, err := r.Cmd.Process.Wait()331		r.mutex.Lock()332		r.Cmd.ProcessState = pState333		r.mutex.Unlock()334		if err != nil {335			logger.Debugf(true, "Runner exited with error: %s", err)336			r.errorChannel <- fmt.Errorf("Runner exited with error: %s\n", err.Error())337		}338		if !pState.Success() {339			r.errorChannel <- fmt.Errorf("Runner with pid %d quit unexpectedly(%s).", pState.Pid(), pState.String())340		}341	}()342}343func getCleanEnv(port string, env []string, debug bool, pathToAdd []string) []string {344	isPresent := false345	for i, k := range env {346		key := strings.TrimSpace(strings.Split(k, "=")[0])347		//clear environment variable common.GaugeInternalPortEnvName348		if key == common.GaugeInternalPortEnvName {349			isPresent = true350			env[i] = common.GaugeInternalPortEnvName + "=" + port351		} else if strings.ToUpper(key) == "PATH" {352			path := os.Getenv("PATH")353			for _, p := range pathToAdd {354				path += string(os.PathListSeparator) + p355			}356			env[i] = "PATH=" + path357		}358	}359	if !isPresent {360		env = append(env, common.GaugeInternalPortEnvName+"="+port)361	}362	if debug {363		env = append(env, "debugging=true")364	}365	return env366}367func getOsSpecificCommand(r RunnerInfo) []string {368	command := []string{}369	switch runtime.GOOS {370	case "windows":371		command = r.Run.Windows372		break373	case "darwin":374		command = r.Run.Darwin375		break376	default:377		command = r.Run.Linux378		break379	}380	return command381}382type StartChannels struct {383	// this will hold the runner384	RunnerChan chan Runner385	// this will hold the error while creating runner386	ErrorChan chan error387	// this holds a flag based on which the runner is terminated388	KillChan chan bool389}390func Start(manifest *manifest.Manifest, outputStreamWriter io.Writer, killChannel chan bool, debug bool) (Runner, error) {391	port, err := conn.GetPortFromEnvironmentVariable(common.GaugePortEnvName)392	if err != nil {393		port = 0394	}395	handler, err := conn.NewGaugeConnectionHandler(port, nil)396	if err != nil {397		return nil, err398	}399	runner, err := StartRunner(manifest, strconv.Itoa(handler.ConnectionPortNumber()), outputStreamWriter, killChannel, debug)400	if err != nil {401		return nil, err402	}403	err = connect(handler, runner)404	return runner, err405}406func connect(h *conn.GaugeConnectionHandler, runner *LanguageRunner) error {407	connection, connErr := h.AcceptConnection(config.RunnerConnectionTimeout(), runner.errorChannel)408	if connErr != nil {409		logger.Debugf(true, "Runner connection error: %s", connErr)410		if err := runner.killRunner(); err != nil {411			logger.Debugf(true, "Error while killing runner: %s", err)412		}413		return connErr414	}415	runner.connection = connection416	return nil417}...

server.go

Source:server.go

...67		}68		go publishDiagnostics(ctx, conn)69		return nil, nil70	case "shutdown":71		return nil, killRunner()72	case "exit":73		if c, ok := conn.(*jsonrpc2.Conn); ok {74			err := c.Close()75			if err != nil {76				logError(req, err.Error())77			}78			os.Exit(0)79		}80		return nil, nil81	case "$/cancelRequest":82		return nil, nil83	case "textDocument/didOpen":84		err := documentOpened(req, ctx, conn)85		if err != nil {86			logDebug(req, err.Error())87		}88		return nil, err89	case "textDocument/didClose":90		err := documentClosed(req, ctx, conn)91		if err != nil {92			logDebug(req, err.Error())93		}94		return nil, err95	case "textDocument/didChange":96		err := documentChange(req, ctx, conn)97		if err != nil {98			logDebug(req, err.Error())99		}100		return nil, err101	case "workspace/didChangeWatchedFiles":102		err := documentChangeWatchedFiles(req, ctx, conn)103		if err != nil {104			logDebug(req, err.Error())105		}106		return nil, err107	case "textDocument/completion":108		val, err := completion(req)109		if err != nil {110			logDebug(req, err.Error())111		}112		return val, err113	case "completionItem/resolve":114		val, err := resolveCompletion(req)115		if err != nil {116			logDebug(req, err.Error())117		}118		return val, err119	case "textDocument/definition":120		val, err := definition(req)121		if err != nil {122			logDebug(req, err.Error())123			if e := showErrorMessageOnClient(ctx, conn, err); e != nil {124				return nil, fmt.Errorf("unable to send '%s' error to LSP server. %s", err.Error(), e.Error())125			}126		}127		return val, err128	case "textDocument/formatting":129		data, err := format(req)130		if err != nil {131			logDebug(req, err.Error())132			e := showErrorMessageOnClient(ctx, conn, err)133			if e != nil {134				return nil, fmt.Errorf("unable to send '%s' error to LSP server. %s", err.Error(), e.Error())135			}136		}137		return data, err138	case "textDocument/codeLens":139		val, err := codeLenses(req)140		if err != nil {141			logDebug(req, err.Error())142		}143		return val, err144	case "textDocument/codeAction":145		val, err := codeActions(req)146		if err != nil {147			logDebug(req, err.Error())148		}149		return val, err150	case "textDocument/rename":151		result, err := rename(ctx, conn, req)152		if err != nil {153			logDebug(req, err.Error())154			e := showErrorMessageOnClient(ctx, conn, err)155			if e != nil {156				return nil, fmt.Errorf("unable to send '%s' error to LSP server. %s", err.Error(), e.Error())157			}158			return nil, err159		}160		return result, nil161	case "textDocument/documentSymbol":162		val, err := documentSymbols(req)163		if err != nil {164			logDebug(req, err.Error())165		}166		return val, err167	case "workspace/symbol":168		val, err := workspaceSymbols(req)169		if err != nil {170			logDebug(req, err.Error())171		}172		return val, err173	case "gauge/stepReferences":174		val, err := stepReferences(req)175		if err != nil {176			logDebug(req, err.Error())177		}178		return val, err179	case "gauge/stepValueAt":180		val, err := stepValueAt(req)181		if err != nil {182			logDebug(req, err.Error())183		}184		return val, err185	case "gauge/scenarios":186		val, err := scenarios(req)187		if err != nil {188			logDebug(req, err.Error())189		}190		return val, err191	case "gauge/getImplFiles":192		val, err := getImplFiles(req)193		if err != nil {194			logDebug(req, err.Error())195		}196		return val, err197	case "gauge/putStubImpl":198		if err := sendSaveFilesRequest(ctx, conn); err != nil {199			logDebug(req, err.Error())200			e := showErrorMessageOnClient(ctx, conn, err)201			if e != nil {202				return nil, fmt.Errorf("unable to send '%s' error to LSP server. %s", err.Error(), e.Error())203			}204			return nil, err205		}206		val, err := putStubImpl(req)207		if err != nil {208			logDebug(req, err.Error())209		}210		return val, err211	case "gauge/specs":212		val, err := specs()213		if err != nil {214			logDebug(req, err.Error())215		}216		return val, err217	case "gauge/executionStatus":218		val, err := execution.ReadLastExecutionResult()219		if err != nil {220			logDebug(req, err.Error())221		}222		return val, err223	case "gauge/generateConcept":224		if err := sendSaveFilesRequest(ctx, conn); err != nil {225			e := showErrorMessageOnClient(ctx, conn, err)226			if e != nil {227				return nil, fmt.Errorf("unable to send '%s' error to LSP server. %s", err.Error(), e.Error())228			}229			return nil, err230		}231		return generateConcept(req)232	case "gauge/getRunnerLanguage":233		return lRunner.lspID, nil234	case "gauge/specDirs":235		return provider.GetSpecDirs(), nil236	default:237		return nil, nil238	}239}240func cacheInitializeParams(req *jsonrpc2.Request) error {241	var params InitializeParams242	var err error243	if err = json.Unmarshal(*req.Params, &params); err != nil {244		return err245	}246	clientCapabilities = params.Capabilities247	return nil248}249func startLsp(logLevel string) (context.Context, *jsonrpc2.Conn) {250	logInfo(nil, "LangServer: reading on stdin, writing on stdout")251	var connOpt []jsonrpc2.ConnOpt252	if logLevel == "debug" {253		connOpt = append(connOpt, jsonrpc2.LogMessages(log.New(lspWriter{}, "", 0)))254	}255	ctx := context.Background()256	return ctx, jsonrpc2.NewConn(ctx, jsonrpc2.NewBufferedStream(stdRWC{}, jsonrpc2.VSCodeObjectCodec{}), newHandler(), connOpt...)257}258func initializeRunner() error {259	id, err := getLanguageIdentifier()260	if err != nil || id == "" {261		e := fmt.Errorf("There are version incompatibilities between Gauge and it's plugins in this project. Some features will not work as expected.")262		logDebug(nil, "%s", e.Error())263		return e264	}265	err = startRunner()266	if err != nil {267		logDebug(nil, "%s\nSome of the gauge lsp feature will not work as expected.", err.Error())268		return err269	}270	lRunner.lspID = id271	return nil272}273func Start(p infoProvider, logLevel string) {274	provider = p275	provider.Init()276	err := initializeRunner()277	ctx, conn := startLsp(logLevel)278	if err != nil {279		_ = showErrorMessageOnClient(ctx, conn, err)280	}281	initialize(ctx, conn)282	<-conn.DisconnectNotify()283	if killRunner() != nil {284		logInfo(nil, "failed to kill runner with pid %d", lRunner.runner.Pid())285	}286	logInfo(nil, "Connection closed")287}288func recoverPanic(req *jsonrpc2.Request) {289	if r := recover(); r != nil {290		logFatal(req, "%v\n%s", r, string(debug.Stack()))291	}292}...

killRunner

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, world.")4}5import "fmt"6func main() {7    fmt.Println("Hello, world.")8}9import "fmt"10func main() {11    fmt.Println("Hello, world.")12}13import "fmt"14func main() {15    fmt.Println("Hello, world.")16}17import "fmt"18func main() {19    fmt.Println("Hello, world.")20}21import "fmt"22func main() {23    fmt.Println("Hello, world.")24}25import "fmt"26func main() {27    fmt.Println("Hello, world.")28}29import "fmt"30func main() {31    fmt.Println("Hello, world.")32}33import "fmt"34func main() {35    fmt.Println("Hello, world.")36}37import "fmt"38func main() {39    fmt.Println("Hello, world.")40}41import "fmt"42func main() {43    fmt.Println("Hello, world.")44}45import "fmt"46func main() {47    fmt.Println("Hello, world.")48}49import "fmt"50func main() {51    fmt.Println("Hello, world.")52}53import

killRunner

Using AI Code Generation

1import "fmt"2func main() {3    l.killRunner()4    fmt.Println("1.go")5}6import "fmt"7func main() {8    l.killRunner()9    fmt.Println("2.go")10}11import "fmt"12func main() {13    l.killRunner()14    fmt.Println("3.go")15}16import "fmt"17func main() {18    l.killRunner()19    fmt.Println("4.go")20}21import "fmt"22func main() {23    l.killRunner()24    fmt.Println("5.go")25}26import "fmt"27func main() {28    l.killRunner()29    fmt.Println("6.go")30}31import "fmt"32func main() {33    l.killRunner()34    fmt.Println("7.go")35}36import "fmt"37func main() {38    l.killRunner()39    fmt.Println("8.go")40}41import "fmt"42func main() {43    l.killRunner()44    fmt.Println("9.go")45}46import "fmt"47func main() {48    l.killRunner()49    fmt.Println("10.go")50}51import "fmt"52func main() {53    l.killRunner()54    fmt.Println("11.go")

killRunner

Using AI Code Generation

1import (2const (3var (4	red    = color.RGBA{0xff, 0x00, 0x00, 0xff}5	green  = color.RGBA{0x00, 0xff, 0x00, 0xff}6	blue   = color.RGBA{0x00, 0x00, 0xff, 0xff}7	yellow = color.RGBA{0xff, 0xff, 0x00, 0xff}8	white  = color.RGBA{0xff, 0xff, 0xff, 0xff}9	black  = color.RGBA{0x00, 0x00, 0x00, 0xff}10type Game struct {

killRunner

Using AI Code Generation

1import (2func main() {3	langObj.killRunner()4}5import (6func main() {7	langObj.killRunner()8}9import (10func main() {11	langObj.killRunner()12}13import (14func main() {15	langObj.killRunner()16}17import (18func main() {19	langObj.killRunner()20}21import (22func main() {23	langObj.killRunner()24}25import (26func main() {27	langObj.killRunner()28}29import (30func main() {31	langObj.killRunner()32}33import (34func main() {35	langObj.killRunner()36}37import (

killRunner

Using AI Code Generation

1import (2func main() {3	lang := NewLang()4	lang.Start()5	lang.KillRunner()6	time.Sleep(2 * time.Second)7	lang.Start()8	time.Sleep(2 * time.Second)9	lang.KillRunner()10}11import (12type Lang struct {13}14func NewLang() *Lang {15	return &Lang{}16}17func (l *Lang) Start() {18	l.runner = NewRunner()19	l.cmd = exec.Command("go", "run", "2.go")20	l.cmd.Start()21}22func (l *Lang) KillRunner() {23	l.runner.Kill()24}25import (26type Runner struct {27}28func NewRunner() *Runner {29	return &Runner{}30}31func (r *Runner) Kill() {32	r.cmd.Process.Kill()33}34func (r *Runner) Write(p []byte) (n int, err error) {35	fmt.Println(string(p))36	return len(p), nil37}38import (39type Runner struct {40}41func NewRunner() *Runner {42	return &Runner{}43}44func (r *Runner) Kill() {45	r.cmd.Process.Kill()46}47func (r *Runner) Write(p []byte

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.