agent

type Heartbeat interface {
	Update()
	Info() Info
}

type Info struct {
	Name     string    `json:"name"`
	LastSeen time.Time `json:"last_seen"`
	Status   string    `json:"status"`
	Type     string    `json:"type"`
	Terminal int       `json:"terminal"`
}

type Service interface {
	// Execute command
	Execute(string, string) (string, error)

	// Control command
	Control(string, string) error

	// Update configuration file
	AddConfig(config.Config) error

	// Config returns Config struct created from config file
	Config() config.Config

	// Saves config file
	ServiceConfig(uuid, cmdStr string) error

	// Services returns service list
	Services() []Info

	// Terminal used for terminal control of gateway
	Terminal(string, string) error

	// Publish message
	Publish(string, string) error
}