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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

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