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216 lines
4.8 KiB
216 lines
4.8 KiB
package db
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import (
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"fmt"
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"sync"
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)
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//----------------------------------------
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// debugDB
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type debugDB struct {
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label string
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db DB
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}
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// For printing all operationgs to the console for debugging.
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func NewDebugDB(label string, db DB) debugDB {
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return debugDB{
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label: label,
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db: db,
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}
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}
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// Implements atomicSetDeleter.
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func (ddb debugDB) Mutex() *sync.Mutex { return nil }
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// Implements DB.
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func (ddb debugDB) Get(key []byte) (value []byte) {
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defer fmt.Printf("%v.Get(%X) %X\n", ddb.label, key, value)
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value = ddb.db.Get(key)
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return
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}
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// Implements DB.
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func (ddb debugDB) Has(key []byte) (has bool) {
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defer fmt.Printf("%v.Has(%X) %v\n", ddb.label, key, has)
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return ddb.db.Has(key)
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}
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// Implements DB.
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func (ddb debugDB) Set(key []byte, value []byte) {
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fmt.Printf("%v.Set(%X, %X)\n", ddb.label, key, value)
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ddb.db.Set(key, value)
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}
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// Implements DB.
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func (ddb debugDB) SetSync(key []byte, value []byte) {
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fmt.Printf("%v.SetSync(%X, %X)\n", ddb.label, key, value)
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ddb.db.SetSync(key, value)
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}
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// Implements atomicSetDeleter.
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func (ddb debugDB) SetNoLock(key []byte, value []byte) {
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fmt.Printf("%v.SetNoLock(%X, %X)\n", ddb.label, key, value)
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ddb.db.Set(key, value)
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}
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// Implements atomicSetDeleter.
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func (ddb debugDB) SetNoLockSync(key []byte, value []byte) {
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fmt.Printf("%v.SetNoLockSync(%X, %X)\n", ddb.label, key, value)
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ddb.db.SetSync(key, value)
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}
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// Implements DB.
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func (ddb debugDB) Delete(key []byte) {
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fmt.Printf("%v.Delete(%X)\n", ddb.label, key)
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ddb.db.Delete(key)
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}
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// Implements DB.
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func (ddb debugDB) DeleteSync(key []byte) {
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fmt.Printf("%v.DeleteSync(%X)\n", ddb.label, key)
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ddb.db.DeleteSync(key)
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}
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// Implements atomicSetDeleter.
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func (ddb debugDB) DeleteNoLock(key []byte) {
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fmt.Printf("%v.DeleteNoLock(%X)\n", ddb.label, key)
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ddb.db.Delete(key)
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}
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// Implements atomicSetDeleter.
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func (ddb debugDB) DeleteNoLockSync(key []byte) {
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fmt.Printf("%v.DeleteNoLockSync(%X)\n", ddb.label, key)
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ddb.db.DeleteSync(key)
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}
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// Implements DB.
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func (ddb debugDB) Iterator(start, end []byte) Iterator {
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fmt.Printf("%v.Iterator(%X, %X)\n", ddb.label, start, end)
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return NewDebugIterator(ddb.label, ddb.db.Iterator(start, end))
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}
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// Implements DB.
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func (ddb debugDB) ReverseIterator(start, end []byte) Iterator {
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fmt.Printf("%v.ReverseIterator(%X, %X)\n", ddb.label, start, end)
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return NewDebugIterator(ddb.label, ddb.db.ReverseIterator(start, end))
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}
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// Implements DB.
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func (ddb debugDB) NewBatch() Batch {
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fmt.Printf("%v.NewBatch()\n", ddb.label)
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return NewDebugBatch(ddb.label, ddb.db.NewBatch())
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}
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// Implements DB.
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func (ddb debugDB) Close() {
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fmt.Printf("%v.Close()\n", ddb.label)
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ddb.db.Close()
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}
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// Implements DB.
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func (ddb debugDB) Print() {
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ddb.db.Print()
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}
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// Implements DB.
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func (ddb debugDB) Stats() map[string]string {
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return ddb.db.Stats()
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}
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//----------------------------------------
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// debugIterator
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type debugIterator struct {
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label string
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itr Iterator
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}
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// For printing all operationgs to the console for debugging.
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func NewDebugIterator(label string, itr Iterator) debugIterator {
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return debugIterator{
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label: label,
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itr: itr,
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}
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}
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// Implements Iterator.
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func (ditr debugIterator) Domain() (start []byte, end []byte) {
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defer fmt.Printf("%v.itr.Domain() (%X,%X)\n", ditr.label, start, end)
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start, end = ditr.itr.Domain()
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return
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}
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// Implements Iterator.
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func (ditr debugIterator) Valid() (ok bool) {
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defer fmt.Printf("%v.itr.Valid() %v\n", ditr.label, ok)
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ok = ditr.itr.Valid()
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return
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}
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// Implements Iterator.
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func (ditr debugIterator) Next() {
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fmt.Printf("%v.itr.Next()\n", ditr.label)
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ditr.itr.Next()
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}
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// Implements Iterator.
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func (ditr debugIterator) Key() (key []byte) {
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fmt.Printf("%v.itr.Key() %X\n", ditr.label, key)
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key = ditr.itr.Key()
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return
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}
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// Implements Iterator.
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func (ditr debugIterator) Value() (value []byte) {
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fmt.Printf("%v.itr.Value() %X\n", ditr.label, value)
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value = ditr.itr.Value()
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return
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}
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// Implements Iterator.
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func (ditr debugIterator) Close() {
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fmt.Printf("%v.itr.Close()\n", ditr.label)
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ditr.itr.Close()
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}
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//----------------------------------------
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// debugBatch
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type debugBatch struct {
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label string
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bch Batch
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}
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// For printing all operationgs to the console for debugging.
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func NewDebugBatch(label string, bch Batch) debugBatch {
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return debugBatch{
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label: label,
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bch: bch,
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}
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}
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// Implements Batch.
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func (dbch debugBatch) Set(key, value []byte) {
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fmt.Printf("%v.batch.Set(%X, %X)\n", dbch.label, key, value)
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dbch.bch.Set(key, value)
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}
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// Implements Batch.
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func (dbch debugBatch) Delete(key []byte) {
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fmt.Printf("%v.batch.Delete(%X)\n", dbch.label, key)
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dbch.bch.Delete(key)
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}
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// Implements Batch.
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func (dbch debugBatch) Write() {
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fmt.Printf("%v.batch.Write()\n", dbch.label)
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dbch.bch.Write()
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}
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// Implements Batch.
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func (dbch debugBatch) WriteSync() {
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fmt.Printf("%v.batch.WriteSync()\n", dbch.label)
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dbch.bch.WriteSync()
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}
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