98 lines
2.7 KiB
Go
98 lines
2.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package storelogger
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import (
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"strconv"
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"sync/atomic"
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"go.uber.org/zap"
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"storj.io/storj/storage"
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)
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var id int64
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// Logger implements a zap.Logger for storage.KeyValueStore
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type Logger struct {
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log *zap.Logger
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store storage.KeyValueStore
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}
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// New creates a new Logger with log and store
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func New(log *zap.Logger, store storage.KeyValueStore) *Logger {
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loggerid := atomic.AddInt64(&id, 1)
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name := strconv.Itoa(int(loggerid))
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return &Logger{log.Named(name), store}
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}
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// Put adds a value to store
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func (store *Logger) Put(key storage.Key, value storage.Value) error {
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store.log.Debug("Put", zap.String("key", string(key)), zap.Int("value length", len(value)), zap.Binary("truncated value", truncate(value)))
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return store.store.Put(key, value)
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}
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// Get gets a value to store
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func (store *Logger) Get(key storage.Key) (storage.Value, error) {
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store.log.Debug("Get", zap.String("key", string(key)))
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return store.store.Get(key)
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}
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// GetAll gets all values from the store corresponding to keys
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func (store *Logger) GetAll(keys storage.Keys) (storage.Values, error) {
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store.log.Debug("GetAll", zap.Any("keys", keys))
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return store.store.GetAll(keys)
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}
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// Delete deletes key and the value
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func (store *Logger) Delete(key storage.Key) error {
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store.log.Debug("Delete", zap.String("key", string(key)))
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return store.store.Delete(key)
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}
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// List lists all keys starting from first and upto limit items
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func (store *Logger) List(first storage.Key, limit int) (storage.Keys, error) {
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keys, err := store.store.List(first, limit)
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store.log.Debug("List", zap.String("first", string(first)), zap.Int("limit", limit), zap.Any("keys", keys.Strings()))
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return keys, err
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}
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// Iterate iterates over items based on opts
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func (store *Logger) Iterate(opts storage.IterateOptions, fn func(storage.Iterator) error) error {
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store.log.Debug("Iterate",
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zap.String("prefix", string(opts.Prefix)),
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zap.String("first", string(opts.First)),
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zap.Bool("recurse", opts.Recurse),
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zap.Bool("reverse", opts.Reverse),
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)
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return store.store.Iterate(opts, func(it storage.Iterator) error {
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return fn(storage.IteratorFunc(func(item *storage.ListItem) bool {
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ok := it.Next(item)
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if ok {
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store.log.Debug(" ",
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zap.String("key", string(item.Key)),
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zap.Int("value length", len(item.Value)),
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zap.Binary("truncated value", truncate(item.Value)),
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)
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}
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return ok
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}))
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})
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}
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// Close closes the store
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func (store *Logger) Close() error {
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store.log.Debug("Close")
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return store.store.Close()
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}
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func truncate(v storage.Value) (t []byte) {
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if len(v)-1 < 10 {
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t = []byte(v)
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} else {
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t = v[:10]
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}
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return t
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}
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