database

type Config struct {
	DeleteInterval duration.Duration `toml:"delete_interval"` // Delete stats of nodes every n minutes
	DeleteAfter    duration.Duration `toml:"delete_after"`    // Delete stats of nodes till now-deletetill n minutes
	Connection     map[string]interface{}
}

type Connect func(config map[string]interface{}) (Connection, error)

type Connection interface {
	// InsertNode stores statistics per node
	InsertNode(node *runtime.Node)

	// InsertLink stores statistics per link
	InsertLink(*runtime.Link, time.Time)

	// InsertGlobals stores global statistics
	InsertGlobals(*runtime.GlobalStats, time.Time, string, string)

	// PruneNodes prunes historical per-node data
	PruneNodes(deleteAfter time.Duration)

	// Close closes the database connection
	Close()
}