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- package input
- import (
- "fmt"
- "context"
- "go-common/library/log"
- "go-common/app/service/ops/log-agent/event"
- )
- type Input interface {
- Run() (err error)
- Stop()
- Ctx() (ctx context.Context)
- }
- // Factory is used to register functions creating new Input instances.
- type Factory = func(ctx context.Context, config interface{}, connector chan<- *event.ProcessorEvent) (Input, error)
- var registry = make(map[string]Factory)
- func Register(name string, factory Factory) error {
- log.Info("Registering input factory")
- if name == "" {
- return fmt.Errorf("Error registering input: name cannot be empty")
- }
- if factory == nil {
- return fmt.Errorf("Error registering input '%v': factory cannot be empty", name)
- }
- if _, exists := registry[name]; exists {
- return fmt.Errorf("Error registering input '%v': already registered", name)
- }
- registry[name] = factory
- log.Info("Successfully registered input")
- return nil
- }
- func GetFactory(name string) (Factory, error) {
- if _, exists := registry[name]; !exists {
- return nil, fmt.Errorf("Error creating input. No such input type exist: '%v'", name)
- }
- return registry[name], nil
- }
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