mtsatellite/common/block.go
2014-09-07 16:12:18 +02:00

32 lines
694 B
Go

package common
import (
"errors"
)
// Error returned if a Producer has run to its end.
var ErrNoMoreBlocks = errors.New("No more blocks.")
type (
// Block data from Minetest database.
Block struct {
Coord Coord
Data []byte
}
// BlockProducer is used to over a existing Minetest database
// and return its content block by block.
BlockProducer interface {
// error is ErrNoMoreBlocks if it run out of blocks.
Next(*Block) error
// Closes the open database connections.
Close() error
}
// BlockConsumer is used to store blocks in a new Minetest database.
BlockConsumer interface {
Consume(*Block) error
// Closes the open database connections.
Close() error
}
)