reflector.go/store/memory.go
Niko Storni 071a7907c1 Refactors store implementations for config loading
Updates store implementations to load configurations from YAML files.

This change introduces a configuration loader that reads store parameters from a YAML file, allowing for more flexible and manageable store configurations.
2025-04-24 05:11:52 +02:00

100 lines
2.2 KiB
Go

package store
import (
"sync"
"time"
"github.com/lbryio/reflector.go/shared"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
"github.com/spf13/viper"
)
// MemStore is an in memory only blob store with no persistence.
type MemStore struct {
blobs map[string]stream.Blob
mu *sync.RWMutex
name string
}
type MemParams struct {
Name string `mapstructure:"name"`
}
func NewMemStore(params MemParams) *MemStore {
return &MemStore{
blobs: make(map[string]stream.Blob),
mu: &sync.RWMutex{},
name: params.Name,
}
}
const nameMem = "mem"
func MemStoreFactory(config *viper.Viper) (BlobStore, error) {
var cfg MemParams
err := config.Unmarshal(&cfg)
if err != nil {
return nil, errors.Err(err)
}
return NewMemStore(cfg), nil
}
func init() {
RegisterStore(nameMem, MemStoreFactory)
}
// Name is the cache type name
func (m *MemStore) Name() string { return nameMem + "-" + m.name }
// Has returns T/F if the blob is currently stored. It will never error.
func (m *MemStore) Has(hash string) (bool, error) {
m.mu.RLock()
defer m.mu.RUnlock()
_, ok := m.blobs[hash]
return ok, nil
}
// Get returns the blob byte slice if present and errors if the blob is not found.
func (m *MemStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
start := time.Now()
m.mu.RLock()
defer m.mu.RUnlock()
blob, ok := m.blobs[hash]
if !ok {
return nil, shared.NewBlobTrace(time.Since(start), m.Name()), errors.Err(ErrBlobNotFound)
}
return blob, shared.NewBlobTrace(time.Since(start), m.Name()), nil
}
// Put stores the blob in memory
func (m *MemStore) Put(hash string, blob stream.Blob) error {
m.mu.Lock()
defer m.mu.Unlock()
m.blobs[hash] = blob
return nil
}
// PutSD stores the sd blob in memory
func (m *MemStore) PutSD(hash string, blob stream.Blob) error {
return m.Put(hash, blob)
}
// Delete deletes the blob from the store
func (m *MemStore) Delete(hash string) error {
m.mu.Lock()
defer m.mu.Unlock()
delete(m.blobs, hash)
return nil
}
// Debug returns the blobs in memory. It's useful for testing and debugging.
func (m *MemStore) Debug() map[string]stream.Blob {
m.mu.RLock()
defer m.mu.RUnlock()
return m.blobs
}
// Shutdown shuts down the store gracefully
func (m *MemStore) Shutdown() {}