atomic

package
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Published: Feb 3, 2022 License: BSD-3-Clause Imports: 17 Imported by: 1

Documentation

Index

Constants

This section is empty.

Variables

SharedMemoryTests is a list of all shared memory tests

Functions

func TestPutAndRemoveBatch

func TestPutAndRemoveBatch(t *testing.T, chainID0, chainID1 ids.ID, _, sm1 SharedMemory, db database.Database)

TestPutAndRemoveBatch tests to make sure multiple put and remove requests work properly

func TestSharedMemoryCantDuplicatePut

func TestSharedMemoryCantDuplicatePut(t *testing.T, _, chainID1 ids.ID, sm0, _ SharedMemory, _ database.Database)

func TestSharedMemoryCantDuplicateRemove

func TestSharedMemoryCantDuplicateRemove(t *testing.T, _, chainID1 ids.ID, sm0, _ SharedMemory, _ database.Database)

func TestSharedMemoryCommitOnPut

func TestSharedMemoryCommitOnPut(t *testing.T, _, chainID1 ids.ID, sm0, _ SharedMemory, db database.Database)

func TestSharedMemoryCommitOnRemove

func TestSharedMemoryCommitOnRemove(t *testing.T, _, chainID1 ids.ID, sm0, _ SharedMemory, db database.Database)

func TestSharedMemoryIndexed

func TestSharedMemoryIndexed(t *testing.T, chainID0, chainID1 ids.ID, sm0, sm1 SharedMemory, _ database.Database)

func TestSharedMemoryLargeBatchSize

func TestSharedMemoryLargeBatchSize(t *testing.T, _, chainID1 ids.ID, sm0, _ SharedMemory, db database.Database)

TestSharedMemoryLargeBatchSize tests to make sure that the interface can support large batches.

func TestSharedMemoryLargeIndexed

func TestSharedMemoryLargeIndexed(t *testing.T, chainID0, chainID1 ids.ID, sm0, sm1 SharedMemory, _ database.Database)

func TestSharedMemoryLargePutGetAndRemove

func TestSharedMemoryLargePutGetAndRemove(t *testing.T, chainID0, chainID1 ids.ID, sm0, sm1 SharedMemory, _ database.Database)

TestSharedMemoryLargePutGetAndRemove tests to make sure that the interface can support large values.

func TestSharedMemoryPutAndGet

func TestSharedMemoryPutAndGet(t *testing.T, chainID0, chainID1 ids.ID, sm0, sm1 SharedMemory, _ database.Database)

func WriteAll

func WriteAll(baseBatch database.Batch, batches ...database.Batch) error

WriteAll assumes all batches have the same underlying database. Batches should not be modified after being passed to this function.

Types

type Element

type Element struct {
	Key    []byte   `serialize:"true"`
	Value  []byte   `serialize:"true"`
	Traits [][]byte `serialize:"true"`
}

type Memory

type Memory struct {
	// contains filtered or unexported fields
}

Memory is the interface for shared memory inside a subnet

func (*Memory) GetSharedDatabase

func (m *Memory) GetSharedDatabase(db database.Database, sharedID ids.ID) database.Database

GetSharedDatabase returns a new locked prefix db on top of an existing database

func (*Memory) Initialize

func (m *Memory) Initialize(log logging.Logger, db database.Database) error

Initialize the SharedMemory

func (*Memory) NewSharedMemory

func (m *Memory) NewSharedMemory(chainID ids.ID) SharedMemory

NewSharedMemory returns a new SharedMemory

func (*Memory) ReleaseSharedDatabase

func (m *Memory) ReleaseSharedDatabase(sharedID ids.ID)

ReleaseSharedDatabase unlocks the provided DB

type Requests

type Requests struct {
	RemoveRequests [][]byte   `serialize:"true"`
	PutRequests    []*Element `serialize:"true"`
	// contains filtered or unexported fields
}

type SharedMemory

type SharedMemory interface {
	// Fetches from this chain's side
	Get(peerChainID ids.ID, keys [][]byte) (values [][]byte, err error)
	Indexed(
		peerChainID ids.ID,
		traits [][]byte,
		startTrait,
		startKey []byte,
		limit int,
	) (
		values [][]byte,
		lastTrait,
		lastKey []byte,
		err error,
	)
	Apply(requests map[ids.ID]*Requests, batches ...database.Batch) error
}

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