forked from TrueCloudLab/frostfs-node
49d477f466
Add implementation of Builder interface for intermediate trusts. Move all code associated with managers to `common` directory in `cmd` and `pkg/services/reputation` Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
package common
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
|
|
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
|
|
"github.com/nspcc-dev/neofs-node/pkg/services/reputation/common/router"
|
|
)
|
|
|
|
// Context wraps stdlib context
|
|
// with accompanying meta values.
|
|
type Context interface {
|
|
context.Context
|
|
|
|
// Must return epoch number to select the values.
|
|
Epoch() uint64
|
|
}
|
|
|
|
// Writer describes the interface for storing reputation.Trust values.
|
|
//
|
|
// This interface is provided by both local storage
|
|
// of values and remote (wrappers over the RPC).
|
|
type Writer interface {
|
|
// Write performs a write operation of reputation.Trust value
|
|
// and returns any error encountered.
|
|
//
|
|
// All values after the Close call must be flushed to the
|
|
// physical target. Implementations can cache values before
|
|
// Close operation.
|
|
//
|
|
// Write must not be called after Close.
|
|
Write(Context, reputation.Trust) error
|
|
|
|
// Close exits with method-providing Writer.
|
|
//
|
|
// All cached values must be flushed before
|
|
// the Close's return.
|
|
//
|
|
// Methods must not be called after Close.
|
|
io.Closer
|
|
}
|
|
|
|
// WriterProvider is a group of methods provided
|
|
// by entity which generates keepers of
|
|
// reputation.Trust values.
|
|
type WriterProvider interface {
|
|
// InitWriter should return an initialized Writer.
|
|
//
|
|
// Initialization problems are reported via error.
|
|
// If no error was returned, then the Writer must not be nil.
|
|
//
|
|
// Implementations can have different logic for different
|
|
// contexts, so specific ones may document their own behavior.
|
|
InitWriter(Context) (Writer, error)
|
|
}
|
|
|
|
// ManagerBuilder defines an interface for providing a list
|
|
// of Managers for specific epoch. Implementation depends on trust value.
|
|
type ManagerBuilder interface {
|
|
// BuildManagers must compose list of managers. It depends on
|
|
// particular epoch and PeerID of the current route point.
|
|
BuildManagers(epoch uint64, p reputation.PeerID) ([]router.ServerInfo, error)
|
|
}
|