package blockstore import ( "context" "sync" blocks "github.com/ipfs/go-block-format" "github.com/ipfs/go-cid" ) // NewMemorySync returns a thread-safe in-memory blockstore. func NewMemorySync() *SyncBlockstore { return &SyncBlockstore{bs: make(MemBlockstore)} } // SyncBlockstore is a terminal blockstore that is a synchronized version // of MemBlockstore. type SyncBlockstore struct { mu sync.RWMutex bs MemBlockstore // specifically use a memStore to save indirection overhead. } func (m *SyncBlockstore) DeleteBlock(k cid.Cid) error { m.mu.Lock() defer m.mu.Unlock() return m.bs.DeleteBlock(k) } func (m *SyncBlockstore) Has(k cid.Cid) (bool, error) { m.mu.RLock() defer m.mu.RUnlock() return m.bs.Has(k) } func (m *SyncBlockstore) View(k cid.Cid, callback func([]byte) error) error { m.mu.RLock() defer m.mu.RUnlock() return m.bs.View(k, callback) } func (m *SyncBlockstore) Get(k cid.Cid) (blocks.Block, error) { m.mu.RLock() defer m.mu.RUnlock() return m.bs.Get(k) } func (m *SyncBlockstore) GetSize(k cid.Cid) (int, error) { m.mu.RLock() defer m.mu.RUnlock() return m.bs.GetSize(k) } func (m *SyncBlockstore) Put(b blocks.Block) error { m.mu.Lock() defer m.mu.Unlock() return m.bs.Put(b) } func (m *SyncBlockstore) PutMany(bs []blocks.Block) error { m.mu.Lock() defer m.mu.Unlock() return m.bs.PutMany(bs) } func (m *SyncBlockstore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) { m.mu.RLock() defer m.mu.RUnlock() // this blockstore implementation doesn't do any async work. return m.bs.AllKeysChan(ctx) } func (m *SyncBlockstore) HashOnRead(enabled bool) { // noop }