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