How to use GetContext method of rod Package

Best Rod code snippet using rod.GetContext

rod.go

Source:rod.go Github

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...77 doTask(page, t, b.config, errP, ddos)78 }79}80func doTask(page *rod.Page, t bbb.Task, config bbb.Config, errP *errPusher, ddos *ddosDetector) {81 defer rec(page.GetContext(), t, config.Log)82 errc := make(chan error, 1)83 errP.Install(errc)84 defer errP.Cleanup()85 timeout, hasTimeout := config.Workers.GetTimeout()86 if hasTimeout {87 p, cancel := ddos.withTimeout(page, timeout, config.Log)88 defer cancel()89 page = p90 }91 config.Log.LogFn(page.GetContext(), bbb.LogLevelVerbose, "Navigating to "+t.Url)92 page.MustNavigate(t.Url)93 page.MustWaitLoad()94 select {95 case err := <-errc:96 config.Log.UpdateFn(page.GetContext(), bbb.UrlUpdate{97 Url: t.UrlConfig,98 Index: t.Index,99 Err: err,100 })101 default:102 config.Log.UpdateFn(page.GetContext(), bbb.UrlUpdate{103 Url: t.UrlConfig,104 Index: t.Index,105 Ok: true,106 })107 }108}109type errPusher struct {110 ch atomic.Value111}112func (e *errPusher) Push(err error) {113 i := e.ch.Load()114 if i == nil {115 return116 }117 ch := i.(chan error)118 if ch == nil {119 return120 }121 select {122 case ch <- err:123 default:124 }125}126func (e *errPusher) Install(ch chan error) {127 e.ch.Store(ch)128}129func (e *errPusher) Cleanup() {130 var ch chan error131 e.ch.Store(ch)132}133type ddosDetector struct {134 ch atomic.Value135}136func (d *ddosDetector) withTimeout(parent *rod.Page, dur time.Duration, log bbb.LogConfig) (*rod.Page, context.CancelFunc) {137 //ctx, cancel := context.WithCancel(parent)138 page, cancel := parent.WithCancel()139 done := make(chan struct{})140 go func() {141 timer := time.NewTimer(dur)142 defer timer.Stop()143 select {144 case <-timer.C:145 cancel()146 case <-done:147 case <-d.ddos():148 log.LogFn(parent.GetContext(), bbb.LogLevelVerbose, "timeout cancelled 'cause of ddos protection")149 }150 }()151 return page, func() {152 close(done)153 cancel()154 }155}156func (d *ddosDetector) ddos() <-chan struct{} {157 ch := make(chan struct{}, 1)158 d.ch.Store(ch)159 return ch160}161func (d *ddosDetector) setDdos() {162 i := d.ch.Load()...

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context.go

Source:context.go Github

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...14 newObj := *b15 newObj.ctx = ctx16 return &newObj17}18// GetContext 获取当前的ctx实例19func (b *Browser) GetContext() context.Context {20 return b.ctx21}22// Timeout 返回一个克隆，其中包含所有链接子操作的指定总超时23func (b *Browser) Timeout(d time.Duration) *Browser {24 ctx, cancel := context.WithTimeout(b.ctx, d)25 return b.Context(context.WithValue(ctx, timeoutContextKey{}, &timeoutContextVal{b.ctx, cancel}))26}27// CancelTimeout 取消当前超时上下文，并返回具有父上下文的克隆28func (b *Browser) CancelTimeout() *Browser {29 val := b.ctx.Value(timeoutContextKey{}).(*timeoutContextVal)30 val.cancel()31 return b.Context(val.parent)32}33// WithCancel 返回带有上下文取消函数的克隆34func (b *Browser) WithCancel() (*Browser, func()) {35 ctx, cancel := context.WithCancel(b.ctx)36 return b.Context(ctx), cancel37}38// Sleeper 为链式子操作返回具有指定Sleeper的克隆39func (b *Browser) Sleeper(sleeper func() utils.Sleeper) *Browser {40 newObj := *b41 newObj.sleeper = sleeper42 return &newObj43}44// Context 返回具有指定ctx的克隆，用于链式子操作45func (p *Page) Context(ctx context.Context) *Page {46 newObj := *p47 newObj.ctx = ctx48 return &newObj49}50// GetContext 获取当前ctx实例51func (p *Page) GetContext() context.Context {52 return p.ctx53}54// Timeout 返回一个克隆，其中包含所有链接子操作的指定总超时55func (p *Page) Timeout(d time.Duration) *Page {56 ctx, cancel := context.WithTimeout(p.ctx, d)57 return p.Context(context.WithValue(ctx, timeoutContextKey{}, &timeoutContextVal{p.ctx, cancel}))58}59// CancelTimeout 取消当前超时上下文，并返回具有父上下文的克隆60func (p *Page) CancelTimeout() *Page {61 val := p.ctx.Value(timeoutContextKey{}).(*timeoutContextVal)62 val.cancel()63 return p.Context(val.parent)64}65// WithCancel 返回带有上下文取消函数的克隆66func (p *Page) WithCancel() (*Page, func()) {67 ctx, cancel := context.WithCancel(p.ctx)68 return p.Context(ctx), cancel69}70// Sleeper 为链式子操作返回具有指定Sleeper的克隆71func (p *Page) Sleeper(sleeper func() utils.Sleeper) *Page {72 newObj := *p73 newObj.sleeper = sleeper74 return &newObj75}76// Context 返回具有指定ctx的克隆，用于链式子操作77func (el *Element) Context(ctx context.Context) *Element {78 newObj := *el79 newObj.ctx = ctx80 return &newObj81}82// GetContext 获取当前ctx的实例83func (el *Element) GetContext() context.Context {84 return el.ctx85}86// Timeout 返回一个克隆，其中包含所有链接子操作的指定总超时87func (el *Element) Timeout(d time.Duration) *Element {88 ctx, cancel := context.WithTimeout(el.ctx, d)89 return el.Context(context.WithValue(ctx, timeoutContextKey{}, &timeoutContextVal{el.ctx, cancel}))90}91// CancelTimeout 取消当前超时上下文，并返回具有父上下文的克隆92func (el *Element) CancelTimeout() *Element {93 val := el.ctx.Value(timeoutContextKey{}).(*timeoutContextVal)94 val.cancel()95 return el.Context(val.parent)96}97// WithCancel 返回带有上下文取消函数的克隆...

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GetContext

Using AI Code Generation

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1import (2func main() {3 MustLaunch()4 defer l.Close()5 browser := rod.New().ControlURL(l).MustConnect()6 page := browser.MustPage("")7 fmt.Println(page.GetContext())8}

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GetContext

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Connect()4 page := browser.Page("")5 ctx := page.GetContext()6 fmt.Println(ctx)7}8import (9func main() {10 browser := rod.New().Connect()11 page := browser.Page("")12 ctx := page.GetContext()13 fmt.Println(ctx)14}15import (16func main() {17 browser := rod.New().Connect()18 page := browser.Page("")19 ctx := page.GetContext()20 fmt.Println(ctx)21}22import (23func main() {24 browser := rod.New().Connect()25 page := browser.Page("")26 ctx := page.GetContext()27 fmt.Println(ctx)28}29import (30func main() {31 browser := rod.New().Connect()32 page := browser.Page("")33 ctx := page.GetContext()34 fmt.Println(ctx)35}36import (37func main() {38 browser := rod.New().Connect()39 page := browser.Page("")40 ctx := page.GetContext()41 fmt.Println(ctx)42}43import (44func main() {45 browser := rod.New().Connect()46 page := browser.Page("")47 ctx := page.GetContext()48 fmt.Println(ctx)49}

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GetContext

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().Connect()4 context := page.GetContext()5 fmt.Println(context)6}

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GetContext

Using AI Code Generation

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1import (2func main() {3 browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4 context := browser.MustPage("").MustGetContext()5 println(context)6}

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