How to use Reload method of state Package

Best Syzkaller code snippet using state.Reload

prompter.go

Source:prompter.go

2// output during `bud run`.3//4// The public methods must be called in the right order:5//  1. Init6//  2. Reloading7//  3. SuccessReload or FailReload or NoReload8//  4. Reloading9//10// So the cursor can moves and clear lines properly. The behavior of the cursor11// across the different states looks like the following:12//13// | Ready         | Reloading            | Ready Again   |14// | :------------ | :------------------- | :------------ |15// | $ Ready on... | $ _Reloading...      | $ Ready on... |16// |   _           |   (move cursor up)   |   _           |17//18// TODO: find a better name for this package. Prompter sounds like it's reading19// user input from stdin, whereas this package is about managing `bud run` state20// and updating the terminal accordingly.21package prompter22import (23	"bytes"24	"fmt"25	"os"26	"sort"27	"strings"28	"time"29	"github.com/livebud/bud/package/log/console"30	"github.com/livebud/bud/package/watcher"31)32// States33const (34	fail     = "fail"35	success  = "success"36	reload   = "reload"37	noReload = "no re"38)39// For prompting messages in the terminal40type Prompter struct {41	Counter int42	// For calculating total time43	startTime time.Time44	// Prevent overriding stdout and stderr45	StdOut    bytes.Buffer46	StdErr    bytes.Buffer47	oldStdOut bytes.Buffer48	oldStdErr bytes.Buffer49	// Path to changed files50	events    []watcher.Event51	oldEvents []watcher.Event52	// For storing states (fail, success, reload,...)53	state    string54	oldState string55	reloadMessage    string56	listeningAddress string57}58// Clear line with cursor on.59func clearLine() {60	fmt.Fprint(os.Stderr, "\033[0K")61}62// Move cursor up 1 line.63func moveCursorUp() {64	fmt.Fprint(os.Stderr, "\033[1A")65}66func (p *Prompter) startTimer() {67	p.startTime = time.Now()68}69// Init -> Reloading -> `Success reload` or `Fail reload` or `Made no reload` ->70//71//	Reloading -> ...72var nextState = map[string]string{73	"init":   "reload",74	reload:   "fail/success/no re",75	fail:     "reload",76	success:  "reload",77	noReload: "reload",78}79// Ensure all states are in proper arrangement80func (p *Prompter) handleState(state string) error {81	// Update state82	p.oldState = p.state83	p.state = state84	switch {85	case p.state == p.oldState:86		return fmt.Errorf("duplicated state: %s", p.state)87	case !strings.Contains(nextState[p.oldState], p.state):88		return fmt.Errorf("invalid state, expected %s instead of %s", nextState[p.oldState], p.state)89	}90	return nil91}92func (p *Prompter) Init(listeningAddress string) {93	p.state = "init"94	p.Counter = 0 // Init counter95	p.listeningAddress = listeningAddress96}97func (p *Prompter) blankStdOut() (result bool) {98	result = p.StdOut.String() == p.oldStdOut.String()99	// Update stdout100	p.oldStdOut = p.StdOut101	return result102}103func (p *Prompter) blankStdErr() (result bool) {104	result = p.StdErr.String() == p.oldStdErr.String()105	// Update stderr106	p.oldStdErr = p.StdErr107	return result108}109// Prompt failed reloads. Reset counter.110func (p *Prompter) FailReload(err string) {111	if err := p.handleState(fail); err != nil {112		return113	}114	p.Counter = 0 // Reset counter115	console.Error(err)116}117func different(events, oldEvents []watcher.Event) bool {118	if len(events) != len(oldEvents) {119		return true120	}121	for i := range events {122		if events[i] != oldEvents[i] {123			return true124		}125	}126	return false127}128// Prompt successful reloads including time (in ms) and total times in a row.129// Increase counter.130// Example: Ready on http://127.0.0.1:3000 in 264ms (x141)131func (p *Prompter) SuccessReload() {132	if err := p.handleState(success); err != nil {133		return134	}135	p.Counter++ // Increase counter136	// Prevent override137	if p.blankStdErr() && p.blankStdOut() {138		moveCursorUp()139		clearLine()140	}141	// Reset counter if user changed working file142	if different(p.events, p.oldEvents) {143		p.Counter = 1144	}145	p.reloadMessage = fmt.Sprintf("Ready on %s in %dms (x%d)",146		p.listeningAddress,147		time.Since(p.startTime).Milliseconds(),148		p.Counter,149	)150	console.Info(p.reloadMessage)151}152// Prompt "Reloading..." message.153// Start timer.154func (p *Prompter) Reloading(events []watcher.Event) {155	if err := p.handleState(reload); err != nil {156		return157	}158	// Sort incoming events for faster comparison later between old and new events159	sort.Slice(events, func(i, j int) bool {160		return events[i].String() < events[j].String()161	})162	// Update events163	p.oldEvents = p.events164	p.events = events165	// Prevent override166	if p.blankStdErr() && p.blankStdOut() && p.oldState != fail {167		moveCursorUp()168		clearLine()169	}170	// For displaying reloading time in successful reloads171	p.startTimer()172	console.Info("Reloading...")173}174// Don't change reload message currently in the terminal175func (p Prompter) NoReload() {176	// Doesn't check for error, so it could be used multiple times in a row.177	p.handleState(noReload)178	// Prevent override179	if p.blankStdErr() && p.blankStdOut() {180		moveCursorUp()181		clearLine()182	}183	if p.reloadMessage != "" {184		console.Info(p.reloadMessage)185	} else {186		console.Info("Listening on " + p.listeningAddress)187	}188}...

reload.go

Source:reload.go

...12	"github.com/juju/juju/environs/space"13	"github.com/juju/juju/state"14	"github.com/juju/juju/state/stateenvirons"15)16// ReloadSpacesState contains all the methods required to execute the API.17type ReloadSpacesState interface {18	space.ReloadSpacesState19}20// ReloadSpacesEnviron contains the methods for requesting environ data.21type ReloadSpacesEnviron interface {22	environs.EnvironConfigGetter23	// GetEnviron returns the environs.Environ ("provider") associated24	// with the model.25	GetEnviron(environs.EnvironConfigGetter, environs.NewEnvironFunc) (environs.Environ, error)26}27// EnvironSpaces defines methods for handling spaces within a environ setting.28type EnvironSpaces interface {29	// ReloadSpaces loads spaces and subnets from provider specified by environ30	// into state.31	// Currently it's an append-only operation, no spaces/subnets are deleted.32	ReloadSpaces(context.ProviderCallContext, ReloadSpacesState, environs.BootstrapEnviron) error33}34// ReloadSpacesAPI provides the reload spaces API facade for version.35type ReloadSpacesAPI struct {36	state     ReloadSpacesState37	environs  ReloadSpacesEnviron38	spaces    EnvironSpaces39	context   context.ProviderCallContext40	authorize ReloadSpacesAuthorizer41}42// NewReloadSpacesAPI creates a new ReloadSpacesAPI.43func NewReloadSpacesAPI(state ReloadSpacesState,44	environs ReloadSpacesEnviron,45	spaces EnvironSpaces,46	context context.ProviderCallContext,47	authorizer ReloadSpacesAuthorizer,48) *ReloadSpacesAPI {49	return &ReloadSpacesAPI{50		state:     state,51		environs:  environs,52		spaces:    spaces,53		context:   context,54		authorize: authorizer,55	}56}57// ReloadSpaces refreshes spaces from the substrate.58func (api *ReloadSpacesAPI) ReloadSpaces() error {59	if err := api.authorize(); err != nil {60		return errors.Trace(err)61	}62	env, err := api.environs.GetEnviron(api.environs, environs.New)63	if err != nil {64		return errors.Trace(err)65	}66	return errors.Trace(api.spaces.ReloadSpaces(api.context, api.state, env))67}68// ReloadSpacesAuthorizer represents a way to authorize reload spaces.69type ReloadSpacesAuthorizer func() error70// AuthorizerState contains the methods used from state to authorize API71// requests.72type AuthorizerState interface {73	// ModelTag returns the tag of this model.74	ModelTag() names.ModelTag75}76// DefaultReloadSpacesAuthorizer creates a new ReloadSpacesAuthorizer for77// handling reload spaces.78func DefaultReloadSpacesAuthorizer(auth facade.Authorizer,79	check BlockChecker,80	state AuthorizerState,81) ReloadSpacesAuthorizer {82	return func() error {83		canWrite, err := auth.HasPermission(permission.WriteAccess, state.ModelTag())84		if err != nil && !errors.IsNotFound(err) {85			return errors.Trace(err)86		}87		if !canWrite {88			return apiservererrors.ServerError(apiservererrors.ErrPerm)89		}90		if err := check.ChangeAllowed(); err != nil {91			return errors.Trace(err)92		}93		return nil94	}95}96// ReloadSpacesEnvirons returns a reload spaces environs type.97type ReloadSpacesEnvirons struct {98	stateenvirons.EnvironConfigGetter99}100// GetEnviron returns the environs.Environ ("provider") associated101// with the model.102func (ReloadSpacesEnvirons) GetEnviron(st environs.EnvironConfigGetter, fn environs.NewEnvironFunc) (environs.Environ, error) {103	return environs.GetEnviron(st, fn)104}105// DefaultReloadSpacesEnvirons creates a new ReloadSpacesEnviron from state.106func DefaultReloadSpacesEnvirons(st *state.State) (ReloadSpacesEnvirons, error) {107	m, err := st.Model()108	if err != nil {109		return ReloadSpacesEnvirons{}, errors.Trace(err)110	}111	return ReloadSpacesEnvirons{112		stateenvirons.EnvironConfigGetter{113			Model: m,114		},115	}, nil116}117// EnvironSpacesAdapter allows the calling of ReloadSpaces from a type level,118// instead of a package level construct.119type EnvironSpacesAdapter struct{}120// ReloadSpaces loads spaces and subnets from provider specified by environ121// into state.122// Currently it's an append-only operation, no spaces/subnets are deleted.123func (EnvironSpacesAdapter) ReloadSpaces(ctx context.ProviderCallContext, st ReloadSpacesState, env environs.BootstrapEnviron) error {124	return space.ReloadSpaces(ctx, st, env)125}...

Reload

Using AI Code Generation

1import (2func main() {3	config := cluster.NewConfig()4	brokers := []string{"localhost:9092"}5	topics := []string{"test"}6	consumer, err := cluster.NewConsumer(brokers, "my-group", topics, config)7	if err != nil {8		fmt.Println(err)9	}10	defer consumer.Close()11	go func() {12		for err := range consumer.Errors() {13			fmt.Println(err)14		}15	}()16	go func() {17		for note := range consumer.Notifications() {18			fmt.Println(note)19		}20	}()21	signals := make(chan os.Signal, 1)22	signal.Notify(signals, os.Interrupt)23	for {24		select {25		case msg, ok := <-consumer.Messages():26			if ok {27				fmt.Printf("Message topic:%q partition:%d offset:%d\n", msg.Topic, msg.Partition, msg.Offset)28			}29		}30	}31}32import (33func main() {34	config := cluster.NewConfig()35	brokers := []string{"localhost:9092"}36	topics := []string{"test"}37	consumer, err := cluster.NewConsumer(brokers, "my-group", topics, config)38	if err != nil {39		fmt.Println(err)40	}41	defer consumer.Close()42	go func() {43		for err := range consumer.Errors() {44			fmt.Println(err)45		}46	}()47	go func() {

Reload

Using AI Code Generation

1import (2func main() {3	sdl.Init(sdl.INIT_EVERYTHING)4	window, err := sdl.CreateWindow("Testing", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, 800, 600, sdl.WINDOW_SHOWN)5	if err != nil {6		fmt.Println(err)7	}8	defer window.Destroy()9	renderer, err := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)10	if err != nil {11		fmt.Println(err)12	}13	defer renderer.Destroy()14	sdl.SetHint(sdl.HINT_RENDER_SCALE_QUALITY, "1")15	renderer.SetDrawColor(255, 255, 255, 255)16	renderer.Clear()17	renderer.Present()18	state := NewState(renderer)19	state.Load()20	state2 := NewState(renderer)21	state2.Load()22	state.Reload()23	state2.Reload()24	state.Render()25	state2.Render()26	sdl.Delay(5000)27}28import (29func main() {30	sdl.Init(sdl.INIT_EVERYTHING)31	window, err := sdl.CreateWindow("Testing", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, 800, 600, sdl.WINDOW_SHOWN)32	if err != nil {33		fmt.Println(err)34	}35	defer window.Destroy()36	renderer, err := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)37	if err != nil {38		fmt.Println(err)39	}40	defer renderer.Destroy()41	sdl.SetHint(sdl.HINT_RENDER_SCALE_QUALITY, "1")42	renderer.SetDrawColor(255, 255, 255, 255)43	renderer.Clear()44	renderer.Present()45	state := NewState(renderer)46	state.Load()

Reload

Using AI Code Generation

1import (2func main() {3 state := golstate.NewState("state")4 state.Reload()5 fmt.Println(state)6}

Reload

Using AI Code Generation

1func main() {2    var s1 = state{3    }4    s1.reload()5    fmt.Println("State name:", s1.name)6    fmt.Println("State capital:", s1.capital)7    fmt.Println("State population:", s1.population)8}

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