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Golang Scan.Error方法代码示例

本文整理汇总了Golang中github.com/yahoo/gryffin.Scan.Error方法的典型用法代码示例。如果您正苦于以下问题:Golang Scan.Error方法的具体用法?Golang Scan.Error怎么用?Golang Scan.Error使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/yahoo/gryffin.Scan的用法示例。


在下文中一共展示了Scan.Error方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: Do

func (r *PhantomJSRenderer) Do(s *gryffin.Scan) {

	r.chanResponse = make(chan *gryffin.Scan, 10)
	r.chanLinks = make(chan *gryffin.Scan, 10)
	r.done = make(chan string)

	// Construct the command.
	// render.js http(s)://<host>[:port][/path] [{"method":"post", "data":"a=1&b=2"}]
	url := s.Request.URL.String()
	cookies := make([]string, 0)
	// ua := s.Request.UserAgent()
	ua := "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36"

	for _, c := range s.Cookies {
		cookies = append(cookies, c.String())
	}

	arg := input{
		Method: s.Request.Method,
		Headers: inputHeaders{
			UserAgent: ua,
			Cookie:    strings.Join(cookies, ";"),
		},
	}

	opt, err := json.Marshal(arg)
	if err != nil {
		s.Error("PhantomjsRenderer.Do", err)
		return
	}

	// s.Logmf("PhantomjsRenderer.Do", "Running: render.js %s '%s'", url, string(opt))
	s.Logmf("PhantomjsRenderer.Do", "Running: render.js")

	cmd := exec.Command(
		os.Getenv("GOPATH")+"/src/github.com/yahoo/gryffin/renderer/resource/render.js",
		url,
		string(opt))

	stdout, err := cmd.StdoutPipe()
	if err != nil {
		s.Error("PhantomjsRenderer.Do", err)
		return
	}

	if err := cmd.Start(); err != nil {
		s.Error("PhantomjsRenderer.Do", err)
		return
	}

	r.process = cmd.Process

	// wait until done or timeout.
	go r.extract(stdout, s)
	go r.wait(s)

	cmd.Wait()

}
开发者ID:binarydreams,项目名称:gryffin,代码行数:59,代码来源:phantomjs.go

示例2: Do

func (r *PhantomJSRenderer) Do(s *gryffin.Scan) {

	r.chanResponse = make(chan *gryffin.Scan, 10)
	r.chanLinks = make(chan *gryffin.Scan, 10)

	// Construct the command.
	// render.js http(s)://<host>[:port][/path] [{"method":"post", "data":"a=1&b=2"}]
	url := s.Request.URL.String()
	cookies := make([]string, 0)
	// ua := s.Request.UserAgent()
	ua := "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36"

	for _, c := range s.Cookies {
		cookies = append(cookies, c.String())
	}

	arg := input{
		Method: s.Request.Method,
		Headers: inputHeaders{
			UserAgent: ua,
			Cookie:    strings.Join(cookies, ";"),
		},
	}

	opt, err := json.Marshal(arg)
	if err != nil {
		s.Error("PhantomjsRenderer.Do", err)
		return
	}

	// s.Logmf("PhantomjsRenderer.Do", "Running: render.js %s '%s'", url, string(opt))
	s.Logmf("PhantomjsRenderer.Do", "Running: render.js")

	cmd := exec.Command(
		os.Getenv("GOPATH")+"/src/github.com/yahoo/gryffin/renderer/resource/render.js",
		url,
		string(opt))

	stdout, err := cmd.StdoutPipe()
	if err != nil {
		s.Error("PhantomjsRenderer.Do", err)
		return
	}

	if err := cmd.Start(); err != nil {
		s.Error("PhantomjsRenderer.Do", err)
		return
	}

	kill := func(reason string) {
		if err := cmd.Process.Kill(); err != nil {
			// TODO - forgive "os: process already finished"
			s.Error("PhantomjsRenderer.Do", err)
			// log.Printf("error: %s", err)
		} else {
			s.Logmf("PhantomjsRenderer.Do", "[%s] Terminating the crawl process.", reason)
		}
	}
	// Kill when timeout
	_ = time.Second
	if r.Timeout != 0 {
		timeout := func() {
			<-time.After(time.Duration(r.Timeout) * time.Second)
			kill("Timeout")
		}
		go timeout()
	}

	crawl := func() {
		defer close(r.chanResponse)
		defer close(r.chanLinks)

		dec := json.NewDecoder(stdout)

		for {
			var m message
			err := dec.Decode(&m)
			if err == io.EOF {
				return
				break
			} else {
				if m.responseMessage != nil {
					m.Response.fill(s)
					if s.IsDuplicatedPage() {
						kill("Duplicated")
						return
					}
					s.Logm("PhantomjsRenderer.Do.UniqueCrawl", m.MsgType)
					r.chanResponse <- s
					for _, link := range m.Response.Details.Links {
						if newScan := link.toScan(s); newScan != nil && newScan.IsScanAllowed() {
							r.chanLinks <- newScan
						}
					}
				} else if m.domMessage != nil {
					for _, link := range m.domMessage.Links {
						if newScan := link.toScan(s); newScan != nil && newScan.IsScanAllowed() {
							r.chanLinks <- newScan
						}
					}
//.........这里部分代码省略.........
开发者ID:0xwindows,项目名称:gryffin,代码行数:101,代码来源:phantomjs.go


注:本文中的github.com/yahoo/gryffin.Scan.Error方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。