134 lines
2.6 KiB
Go
134 lines
2.6 KiB
Go
package collector_go
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import (
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"context"
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cm "loafle.com/overflow/agent_api/config_manager"
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"loafle.com/overflow/crawler_go/grpc"
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crm "loafle.com/overflow/crawler_manager_go"
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s "loafle.com/overflow/scheduler_go"
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"log"
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"strconv"
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"sync"
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"time"
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)
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var (
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instance *Collector
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once sync.Once
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)
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type Collector struct {
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scheduler *s.Scheduler
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cm cm.ConfigManager
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dataCh chan interface{}
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}
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func Start(started chan bool, dataCh chan interface{}, conf cm.ConfigManager) {
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c := GetInstance()
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c.dataCh = dataCh
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c.start(started, conf)
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}
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func Stop(stopped chan bool) {
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c := GetInstance()
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c.stop()
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stopped <- true
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}
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func GetInstance() *Collector {
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once.Do(func() {
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instance = &Collector{}
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})
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return instance
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}
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func (c *Collector) start(started chan bool, conf cm.ConfigManager) {
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go func() {
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c.cm = conf
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c.scheduler = &s.Scheduler{}
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c.scheduler.Start()
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for _, conf := range c.cm.GetSensors() {
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if err := c.addSensor(conf.Id); err != nil {
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log.Println(err)
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}
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}
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started <- true
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}()
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}
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func (c *Collector) stop() {
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c.scheduler.RemoveAllSchedule()
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c.scheduler.Stop()
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}
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func (c *Collector) collect(id string) {
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conf := c.cm.GetSensorById(id)
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log.Printf("COLLECT %s - [ID: %s] [Crawler : %s]", time.Now(), conf.Id, conf.Crawler.Name)
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conn, err := crm.GetInstance().GetClient(conf.Crawler.Container)
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if err != nil {
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log.Println(err)
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}
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defer conn.Close()
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dc := grpc.NewDataClient(conn)
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in := &grpc.Input{}
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in.Id = id
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in.Name = grpc.Crawlers(grpc.Crawlers_value[conf.Crawler.Name])
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out, err := dc.Get(context.Background(), in)
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if err != nil {
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log.Println(err)
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}
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log.Println("collector get result : ", out)
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c.dataCh <- out
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}
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func (c *Collector) addSensor(sensorId string) error {
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sensor := c.cm.GetSensorById(sensorId)
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interval, err := strconv.Atoi(sensor.Schedule.Interval)
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if err != nil {
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return err
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}
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return c.scheduler.NewSchedule(sensorId, uint64(interval), c.collect)
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}
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func (c *Collector) removeSensor(id string) error {
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if err := c.scheduler.RemoveSchedule(id); err != nil {
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return err
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}
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return nil
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}
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func (c *Collector) updateSensor(id string) error {
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err := c.removeSensor(id)
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if err != nil {
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return err
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}
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return c.addSensor(id)
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}
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func AddSensor(id string) error {
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return GetInstance().addSensor(id)
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}
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func RemSensor(id string) error {
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return GetInstance().removeSensor(id)
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}
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func UpdateSensor(id string) error {
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return GetInstance().updateSensor(id)
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}
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func StartSensor(id string) error {
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return GetInstance().scheduler.StartSchedule(id)
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}
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func StopSensor(id string) error {
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return GetInstance().scheduler.StopSchedule(id)
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}
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