/
event.go
58 lines (48 loc) · 1.24 KB
/
event.go
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package plugin
import (
"context"
"encoding/json"
"github.com/apex/log"
"github.com/crawlab-team/crawlab-core/constants"
"github.com/crawlab-team/crawlab-core/entity"
grpc "github.com/crawlab-team/crawlab-grpc"
"github.com/crawlab-team/go-trace"
"github.com/spf13/viper"
)
type EventService struct {
internal *Internal
stream grpc.PluginService_SubscribeClient
}
func (svc *EventService) Subscribe() (err error) {
log.Infof("subscribe events")
// request request data
data, err := json.Marshal(entity.GrpcEventServiceMessage{
Type: constants.GrpcEventServiceTypeRegister,
})
if err != nil {
return trace.TraceError(err)
}
// register request
req := &grpc.PluginRequest{
Name: svc.internal.p.Name,
NodeKey: viper.GetString("node.key"),
Data: data,
}
// register
_, err = svc.internal.GetGrpcClient().GetPluginClient().Register(context.Background(), req)
if err != nil {
return trace.TraceError(err)
}
// stream
svc.stream = svc.internal.GetGrpcClient().GetStream()
return nil
}
func (svc *EventService) GetStream() (stream grpc.PluginService_SubscribeClient) {
return svc.stream
}
func NewEventService(internal *Internal) (svc EventServiceInterface) {
svc = &EventService{
internal: internal,
}
return svc
}