Development

internal/spiders/test_must_ok_spider/spider.go

@@ -5,6 +5,7 @@ import (
 	"github.com/lizongying/go-crawler/pkg/items"
 	"github.com/lizongying/go-crawler/pkg/mock_servers"
 	"github.com/lizongying/go-crawler/pkg/request"
+	"time"
 )
 
 type Spider struct {
@@ -22,6 +23,7 @@ func (s *Spider) ParseOk(ctx pkg.Context, response pkg.Response) (err error) {
 		}))
 
 	if extra.Count > 0 {
+		time.Sleep(time.Second * 10)
 		s.logger.Info("manual stop")
 		return
 	}

pkg/api/spider.go

@@ -8,10 +8,12 @@ import (
 const UrlSpider = "/spider"
 
 type Req struct {
+	Id   string `json:"id"`
 	Name string `json:"name"`
 }
 type Spider struct {
-	Name string `json:"name"`
+	Name  string   `json:"name,omitempty"`
+	Funcs []string `json:"funcs,omitempty"`
 }
 type RouteSpider struct {
 	Request
@@ -32,15 +34,20 @@ func (h *RouteSpider) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if req.Name == "" {
 		for _, v := range h.crawler.GetSpiders() {
 			if v.Name() == req.Name {
+				var funcs []string
+				for k1, _ := range v.CallBacks() {
+					funcs = append(funcs, k1)
+				}
 				spider = Spider{
-					Name: v.Name(),
+					Name:  v.Name(),
+					Funcs: funcs,
 				}
 				break
 			}
 		}
 	}
 
-	h.OutJson(w, 0, "", spider)
+	h.OutJson(w, 0, "", &spider)
 }
 
 func (h *RouteSpider) FromCrawler(crawler pkg.Crawler) pkg.Route {

pkg/context.go

@@ -118,6 +118,8 @@ type ContextCrawler interface {
 }
 
 type ContextSpider interface {
+	GetSpider() Spider
+	WithSpider(Spider) ContextSpider
 	GetId() uint64
 	WithId(uint64) ContextSpider
 	GetName() string

pkg/context/spider.go

@@ -8,6 +8,7 @@ import (
 )
 
 type Spider struct {
+	Spider     pkg.Spider       `json:"-"`
 	Context    context.Context  `json:"-"`
 	Id         uint64           `json:"id,omitempty"`
 	Name       string           `json:"name,omitempty"`
@@ -17,6 +18,13 @@ type Spider struct {
 	UpdateTime utils.Timestamp  `json:"update_time,omitempty"`
 }
 
+func (c *Spider) GetSpider() pkg.Spider {
+	return c.Spider
+}
+func (c *Spider) WithSpider(spider pkg.Spider) pkg.ContextSpider {
+	c.Spider = spider
+	return c
+}
 func (c *Spider) GetId() uint64 {
 	return c.Id
 }

pkg/crawler/crawler.go

@@ -181,7 +181,7 @@ func (c *Crawler) RunJob(ctx context.Context, spiderName string, startFunc strin
 	c.logger.Info("name", spiderName)
 	c.logger.Info("func", startFunc)
 	c.logger.Info("args", args)
-	c.logger.Info("mode", mode)
+	c.logger.Info("mode", mode.String())
 	c.logger.Info("spec", spec)
 
 	id, err = spider.Run(ctx, startFunc, args, mode, spec, true)

pkg/job.go

@@ -12,6 +12,7 @@ const (
 	JobStatusReady
 	JobStatusStarting
 	JobStatusRunning
+	JobStatusIdle
 	JobStatusStopping
 	JobStatusStopped
 )
@@ -25,8 +26,10 @@ func (s *JobStatus) String() string {
 	case 3:
 		return "running"
 	case 4:
-		return "stopping"
+		return "idle"
 	case 5:
+		return "stopping"
+	case 6:
 		return "stopped"
 	default:
 		return "unknown"

pkg/request.go

@@ -161,6 +161,7 @@ type Request interface {
 
 type CallBack func(Context, Response) error
 type ErrBack func(Context, Response, error)
+type StartFunc func(Context, string) error
 
 type RequestStatus uint8
 

pkg/spider.go

@@ -25,10 +25,10 @@ type Spider interface {
 	SetSpider(spider Spider) Spider
 	CallBacks() map[string]CallBack
 	CallBack(name string) (callback CallBack)
-	SetCallBacks(map[string]CallBack) Spider
 	ErrBacks() map[string]ErrBack
 	ErrBack(name string) (errBack ErrBack)
-	SetErrBacks(map[string]ErrBack) Spider
+	StartFuncs() map[string]StartFunc
+	StartFunc(name string) (startFunc StartFunc)
 	GetAllowedDomains() []string
 	ReplaceAllowedDomains([]string) error
 	SetAllowedDomain(string)

pkg/spider/base_spider.go

@@ -43,6 +43,7 @@ type BaseSpider struct {
 	browsers              map[pkg.Browser]struct{}
 	callBacks             map[string]pkg.CallBack
 	errBacks              map[string]pkg.ErrBack
+	startFuncs            map[string]pkg.StartFunc
 	defaultAllowedDomains map[string]struct{}
 	allowedDomains        map[string]struct{}
 	retryMaxTimes         uint8
@@ -197,7 +198,7 @@ func (s *BaseSpider) GetSpider() pkg.Spider {
 }
 func (s *BaseSpider) SetSpider(spider pkg.Spider) pkg.Spider {
 	s.spider = spider
-	s.registerParser()
+	s.registerFuncs()
 	return s
 }
 func (s *BaseSpider) CallBacks() map[string]pkg.CallBack {
@@ -212,10 +213,6 @@ func (s *BaseSpider) CallBack(name string) (callback pkg.CallBack) {
 	}
 	return
 }
-func (s *BaseSpider) SetCallBacks(callBacks map[string]pkg.CallBack) pkg.Spider {
-	s.callBacks = callBacks
-	return s
-}
 func (s *BaseSpider) ErrBacks() map[string]pkg.ErrBack {
 	return s.errBacks
 }
@@ -228,9 +225,14 @@ func (s *BaseSpider) ErrBack(name string) (errBack pkg.ErrBack) {
 	}
 	return
 }
-func (s *BaseSpider) SetErrBacks(errBacks map[string]pkg.ErrBack) pkg.Spider {
-	s.errBacks = errBacks
-	return s
+func (s *BaseSpider) StartFuncs() map[string]pkg.StartFunc {
+	return s.startFuncs
+}
+func (s *BaseSpider) StartFunc(name string) (startFunc pkg.StartFunc) {
+	if name != "" {
+		startFunc = s.startFuncs[name]
+	}
+	return
 }
 func (s *BaseSpider) GetCrawler() pkg.Crawler {
 	return s.Crawler
@@ -252,9 +254,10 @@ func (s *BaseSpider) WithOptions(options ...pkg.SpiderOption) pkg.Spider {
 	s.options = options
 	return s
 }
-func (s *BaseSpider) registerParser() {
+func (s *BaseSpider) registerFuncs() {
 	callBacks := make(map[string]pkg.CallBack)
 	errBacks := make(map[string]pkg.ErrBack)
+	startFuncs := make(map[string]pkg.StartFunc)
 	rv := reflect.ValueOf(s.spider)
 	rt := rv.Type()
 	l := rt.NumMethod()
@@ -268,9 +271,14 @@ func (s *BaseSpider) registerParser() {
 		if ok {
 			errBacks[name] = errBack
 		}
+		startFunc, ok := rv.Method(i).Interface().(func(pkg.Context, string) error)
+		if ok {
+			startFuncs[name] = startFunc
+		}
 	}
-	s.SetCallBacks(callBacks)
-	s.SetErrBacks(errBacks)
+	s.callBacks = callBacks
+	s.errBacks = errBacks
+	s.startFuncs = startFuncs
 }
 
 func (s *BaseSpider) Request(ctx pkg.Context, request pkg.Request) (response pkg.Response, err error) {
@@ -575,6 +583,7 @@ func (s *BaseSpider) FromCrawler(crawler pkg.Crawler) pkg.Spider {
 	s.WithContext(new(crawlerContext.Context).
 		WithCrawler(crawler.GetContext().GetCrawler()).
 		WithSpider(new(crawlerContext.Spider).
+			WithSpider(s.spider).
 			WithId(s.Crawler.GenUid()).
 			WithName(s.spider.Name()).
 			WithStatus(pkg.SpiderStatusReady)))

pkg/spider/job.go

@@ -100,9 +100,6 @@ func (j *Job) run(ctx context.Context) (err error) {
 	j.context.WithJobContext(ctx)
 	j.context.WithJobSubId(j.crawler.GenUid())
 
-	j.context.WithJobStatus(pkg.JobStatusRunning)
-	j.crawler.GetSignal().JobChanged(j.context)
-
 	go func() {
 		select {
 		case <-j.context.GetJobContext().Done():
@@ -149,6 +146,15 @@ func (j *Job) run(ctx context.Context) (err error) {
 }
 
 func (j *Job) stop(err error) {
+	if j.context.GetJobStatus() == pkg.JobStatusStopped {
+		err = errors.New("job has been finished")
+		j.logger.Error(err)
+		return
+	}
+
+	j.context.GetJob().WithStatus(pkg.JobStatusIdle)
+	j.crawler.GetSignal().JobChanged(j.context)
+
 	if err != nil {
 		if j.context.GetJobMode() == pkg.JobModeCron {
 			close(j.cronJob)
@@ -180,11 +186,15 @@ func (j *Job) stop(err error) {
 	return
 }
 func (j *Job) startTask() {
+	// idle when job stopped
+	if j.context.GetJobStatus() != pkg.JobStatusRunning {
+		j.context.WithJobStatus(pkg.JobStatusRunning)
+		j.crawler.GetSignal().JobChanged(j.context)
+	}
 	_, _ = new(Task).FromSpider(j.spider).WithJob(j).start(j.context)
 	j.task.In()
 }
 func (j *Job) TaskStopped(ctx pkg.Context, _ error) {
-	j.logger.Info("JobSubId", ctx.GetTask().GetJobSubId(), j.context.GetJobSubId())
 	if ctx.GetTask().GetJobSubId() == j.context.GetJobSubId() {
 		j.task.Out()
 	}

pkg/statistics.go

@@ -11,6 +11,8 @@ type StatisticsNode interface {
 	DecJob()
 	IncTask()
 	DecTask()
+	IncRequest()
+	DecRequest()
 	IncRecord()
 	DecRecord()
 	Marshal() (bytes []byte, err error)
@@ -20,11 +22,14 @@ type StatisticsSpider interface {
 	WithId(id uint64) StatisticsSpider
 	GetSpider() string
 	WithSpider(spider string) StatisticsSpider
+	WithFuncs(funcs []string) StatisticsSpider
 	WithNode(node string) StatisticsSpider
 	IncJob()
 	DecJob()
 	IncTask()
 	DecTask()
+	IncRequest()
+	DecRequest()
 	IncRecord()
 	DecRecord()
 	GetLastTaskId() string
@@ -43,6 +48,8 @@ type StatisticsJob interface {
 	WithSpider(spider string) StatisticsJob
 	IncTask()
 	DecTask()
+	IncRequest()
+	DecRequest()
 	IncRecord()
 	DecRecord()
 	WithEnable(enable bool) StatisticsJob
@@ -52,6 +59,8 @@ type StatisticsTask interface {
 	WithStatus(status TaskStatus) StatisticsTask
 	GetId() string
 	WithId(id string) StatisticsTask
+	IncRequest()
+	DecRequest()
 	IncRecord()
 	DecRecord()
 	GetNode() string

pkg/statistics/job/job.go

@@ -19,6 +19,7 @@ type Job struct {
 	Node          string               `json:"node,omitempty"`
 	Spider        string               `json:"spider,omitempty"`
 	Task          uint32               `json:"task,omitempty"`
+	Request       uint32               `json:"request,omitempty"`
 	Record        uint32               `json:"record,omitempty"`
 	Enable        bool                 `json:"enable,omitempty"`
 	StartTime     utils.Timestamp      `json:"start_time,omitempty"`
@@ -73,6 +74,12 @@ func (s *Job) IncTask() {
 func (s *Job) DecTask() {
 	atomic.AddUint32(&s.Task, ^uint32(0))
 }
+func (s *Job) IncRequest() {
+	atomic.AddUint32(&s.Request, 1)
+}
+func (s *Job) DecRequest() {
+	atomic.AddUint32(&s.Request, ^uint32(0))
+}
 func (s *Job) IncRecord() {
 	atomic.AddUint32(&s.Record, 1)
 }

pkg/statistics/node/node.go

@@ -18,6 +18,7 @@ type Node struct {
 	Spider            uint32               `json:"spider,omitempty"`
 	Job               uint32               `json:"job,omitempty"`
 	Task              uint32               `json:"task,omitempty"`
+	Request           uint32               `json:"request,omitempty"`
 	Record            uint32               `json:"record,omitempty"`
 	StartTime         utils.Timestamp      `json:"start_time"`
 	FinishTime        utils.Timestamp      `json:"finish_time"`
@@ -71,6 +72,12 @@ func (n *Node) IncTask() {
 func (n *Node) DecTask() {
 	atomic.AddUint32(&n.Task, ^uint32(0))
 }
+func (n *Node) IncRequest() {
+	atomic.AddUint32(&n.Request, 1)
+}
+func (n *Node) DecRequest() {
+	atomic.AddUint32(&n.Request, ^uint32(0))
+}
 func (n *Node) IncRecord() {
 	atomic.AddUint32(&n.Record, 1)
 }

pkg/statistics/spider/spider.go

@@ -14,8 +14,10 @@ type Spider struct {
 	Id                 *utils.Uint64        `json:"id,omitempty"`
 	Node               string               `json:"node,omitempty"`
 	Spider             string               `json:"spider,omitempty"`
+	Funcs              []string             `json:"funcs,omitempty"`
 	Job                uint32               `json:"job,omitempty"`
 	Task               uint32               `json:"task,omitempty"`
+	Request            uint32               `json:"request,omitempty"`
 	Record             uint32               `json:"record,omitempty"`
 	StartTime          utils.Timestamp      `json:"start_time,omitempty"`
 	FinishTime         utils.Timestamp      `json:"finish_time,omitempty"`
@@ -57,6 +59,13 @@ func (s *Spider) WithSpider(spider string) pkg.StatisticsSpider {
 	s.Spider = spider
 	return s
 }
+func (s *Spider) GetFuncs() []string {
+	return s.Funcs
+}
+func (s *Spider) WithFuncs(funcs []string) pkg.StatisticsSpider {
+	s.Funcs = funcs
+	return s
+}
 func (s *Spider) GetNode() string {
 	return s.Node
 }
@@ -76,6 +85,12 @@ func (s *Spider) IncTask() {
 func (s *Spider) DecTask() {
 	atomic.AddUint32(&s.Task, ^uint32(0))
 }
+func (s *Spider) IncRequest() {
+	atomic.AddUint32(&s.Request, 1)
+}
+func (s *Spider) DecRequest() {
+	atomic.AddUint32(&s.Request, ^uint32(0))
+}
 func (s *Spider) IncRecord() {
 	atomic.AddUint32(&s.Record, 1)
 }

pkg/statistics/statistics.go

@@ -73,9 +73,14 @@ func (s *Statistics) spiderChanged(ctx pkg.Context) {
 	spiderOne, ok := s.Spiders[ctx.GetSpiderName()]
 	if !ok {
 		s.Nodes[ctx.GetCrawlerId()].IncSpider()
+		var funcs []string
+		for k1, _ := range ctx.GetSpider().GetSpider().StartFuncs() {
+			funcs = append(funcs, k1)
+		}
 		spiderOne = new(statisticsSpider.Spider).
 			WithId(ctx.GetSpider().GetId()).
 			WithSpider(ctx.GetSpiderName()).
+			WithFuncs(funcs).
 			WithNode(ctx.GetCrawlerId())
 		s.Spiders[ctx.GetSpiderName()] = spiderOne
 	}