forked from cerc-io/ipld-eth-server
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package routinghelpers
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/libp2p/go-libp2p-core/peer"
|
|
"github.com/libp2p/go-libp2p-core/routing"
|
|
|
|
"github.com/ipfs/go-cid"
|
|
)
|
|
|
|
// Null is a router that doesn't do anything.
|
|
type Null struct{}
|
|
|
|
// PutValue always returns ErrNotSupported
|
|
func (nr Null) PutValue(context.Context, string, []byte, ...routing.Option) error {
|
|
return routing.ErrNotSupported
|
|
}
|
|
|
|
// GetValue always returns ErrNotFound
|
|
func (nr Null) GetValue(context.Context, string, ...routing.Option) ([]byte, error) {
|
|
return nil, routing.ErrNotFound
|
|
}
|
|
|
|
// SearchValue always returns ErrNotFound
|
|
func (nr Null) SearchValue(ctx context.Context, key string, opts ...routing.Option) (<-chan []byte, error) {
|
|
return nil, routing.ErrNotFound
|
|
}
|
|
|
|
// Provide always returns ErrNotSupported
|
|
func (nr Null) Provide(context.Context, cid.Cid, bool) error {
|
|
return routing.ErrNotSupported
|
|
}
|
|
|
|
// FindProvidersAsync always returns a closed channel
|
|
func (nr Null) FindProvidersAsync(context.Context, cid.Cid, int) <-chan peer.AddrInfo {
|
|
ch := make(chan peer.AddrInfo)
|
|
close(ch)
|
|
return ch
|
|
}
|
|
|
|
// FindPeer always returns ErrNotFound
|
|
func (nr Null) FindPeer(context.Context, peer.ID) (peer.AddrInfo, error) {
|
|
return peer.AddrInfo{}, routing.ErrNotFound
|
|
}
|
|
|
|
// Bootstrap always succeeds instantly
|
|
func (nr Null) Bootstrap(context.Context) error {
|
|
return nil
|
|
}
|
|
|
|
var _ routing.Routing = Null{}
|