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small.go
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small.go
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package storage
import (
"encoding/gob"
"fmt"
"io"
"time"
"github.com/danielleontiev/neojhat/core"
)
func init() {
gob.Register(core.Identifier(0))
}
type underlyingStorage struct {
IdSize uint32
Timestamp time.Time
HprofUtf8 map[core.Identifier]core.HprofUtf8
HprofLoadClass []core.HprofLoadClass
HprofFrame map[core.Identifier]core.HprofFrame
HprofTrace map[uint32]core.HprofTrace
HprofGcRootJniGlobal []core.HprofGcRootJniGlobal
HprofGcRootJniLocal []core.HprofGcRootJniLocal
HprofGcRootJavaFrame []core.HprofGcRootJavaFrame
HprofGcRootStickyClass []core.HprofGcRootStickyClass
HprofGcRootThreadObj []core.HprofGcRootThreadObj
HprofGcClassDump map[core.Identifier]core.HprofGcClassDump
}
type SmallRecordsWriteStorage struct {
underlyingStorage
}
func NewSmallRecordsWriteStorage() *SmallRecordsWriteStorage {
underlyingStorage := underlyingStorage{
HprofUtf8: make(map[core.Identifier]core.HprofUtf8),
HprofFrame: make(map[core.Identifier]core.HprofFrame),
HprofTrace: make(map[uint32]core.HprofTrace),
HprofGcClassDump: make(map[core.Identifier]core.HprofGcClassDump),
}
return &SmallRecordsWriteStorage{underlyingStorage}
}
func (s *SmallRecordsWriteStorage) SerializeTo(destination io.Writer) error {
encoder := gob.NewEncoder(destination)
if err := encoder.Encode(s.underlyingStorage); err != nil {
return fmt.Errorf("cannot serialize: %w", err)
}
return nil
}
func (s *SmallRecordsReadStorage) RestoreFrom(source io.Reader) error {
var underlyingStorage underlyingStorage
decoder := gob.NewDecoder(source)
if err := decoder.Decode(&underlyingStorage); err != nil {
return fmt.Errorf("cannot deserialize: %w", err)
}
s.underlyingStorage = underlyingStorage
return nil
}
type SmallRecordsReadStorage struct {
underlyingStorage
}
func NewSmallRecordsReadStorage() *SmallRecordsReadStorage {
return new(SmallRecordsReadStorage)
}
func (s *SmallRecordsWriteStorage) PutIdSize(idSize uint32) {
s.IdSize = idSize
}
func (s *SmallRecordsWriteStorage) PutTimestamp(timestamp time.Time) {
s.Timestamp = timestamp
}
func (s *SmallRecordsWriteStorage) PutHprofUtf8(record core.HprofUtf8) {
s.HprofUtf8[record.Identifier] = record
}
func (s *SmallRecordsWriteStorage) PutHprofLoadClass(record core.HprofLoadClass) {
s.HprofLoadClass = append(s.HprofLoadClass, record)
}
func (s *SmallRecordsWriteStorage) PutHprofFrame(record core.HprofFrame) {
s.HprofFrame[record.StackFrameId] = record
}
func (s *SmallRecordsWriteStorage) PutHprofTrace(record core.HprofTrace) {
s.HprofTrace[record.ThreadSerialNumber] = record
}
func (s *SmallRecordsWriteStorage) PutHprofGcRootJniGlobal(record core.HprofGcRootJniGlobal) {
s.HprofGcRootJniGlobal = append(s.HprofGcRootJniGlobal, record)
}
func (s *SmallRecordsWriteStorage) PutHprofGcRootJniLocal(record core.HprofGcRootJniLocal) {
s.HprofGcRootJniLocal = append(s.HprofGcRootJniLocal, record)
}
func (s *SmallRecordsWriteStorage) PutHprofGcRootJavaFrame(record core.HprofGcRootJavaFrame) {
s.HprofGcRootJavaFrame = append(s.HprofGcRootJavaFrame, record)
}
func (s *SmallRecordsWriteStorage) PutHprofGcRootStickyClass(record core.HprofGcRootStickyClass) {
s.HprofGcRootStickyClass = append(s.HprofGcRootStickyClass, record)
}
func (s *SmallRecordsWriteStorage) PutHprofGcRootThreadObj(record core.HprofGcRootThreadObj) {
s.HprofGcRootThreadObj = append(s.HprofGcRootThreadObj, record)
}
func (s *SmallRecordsWriteStorage) PutHprofGcClassDump(record core.HprofGcClassDump) {
s.HprofGcClassDump[record.ClassObjectId] = record
}
func (s *SmallRecordsReadStorage) GetHprofUtf8(nameId core.Identifier) (core.HprofUtf8, error) {
res, ok := s.HprofUtf8[nameId]
if !ok {
return core.HprofUtf8{}, fmt.Errorf("Cannot find HprofUtf8 record with nameId = %v", nameId)
}
return res, nil
}
func (s *SmallRecordsReadStorage) GetHprofLoadClassByClassObjectId(classObjectId core.Identifier) (core.HprofLoadClass, error) {
for _, rec := range s.HprofLoadClass {
if rec.ClassObjectId == classObjectId {
return rec, nil
}
}
return core.HprofLoadClass{}, fmt.Errorf("Cannot find HprofLoadClass record with classObjectId = %v", classObjectId)
}
func (s *SmallRecordsReadStorage) GetHprofLoadClassByClassSerialNumer(classSerialNumber uint32) (core.HprofLoadClass, error) {
for _, rec := range s.HprofLoadClass {
if rec.ClassSerialNumber == classSerialNumber {
return rec, nil
}
}
return core.HprofLoadClass{}, fmt.Errorf("Cannot find HprofLoadClass record with classSerialNumber = %v", classSerialNumber)
}
func (s *SmallRecordsReadStorage) ListHprofLoadClass() []core.HprofLoadClass {
return s.HprofLoadClass
}
func (s *SmallRecordsReadStorage) GetHprofFrame(stackFrameId core.Identifier) (core.HprofFrame, error) {
res, ok := s.HprofFrame[stackFrameId]
if !ok {
return core.HprofFrame{}, fmt.Errorf("Cannot find HprofFrame record with stackFrameId = %v", stackFrameId)
}
return res, nil
}
func (s *SmallRecordsReadStorage) GetHprofTrace(threadSerialNumber uint32) (core.HprofTrace, error) {
res, ok := s.HprofTrace[threadSerialNumber]
if !ok {
return core.HprofTrace{}, fmt.Errorf("Cannot find HprofTrace record with threadSerialNumber = %v", threadSerialNumber)
}
return res, nil
}
func (s *SmallRecordsReadStorage) ListHprofGcRootJniGlobal() []core.HprofGcRootJniGlobal {
return s.HprofGcRootJniGlobal
}
func (s *SmallRecordsReadStorage) ListHprofGcRootJniLocal() []core.HprofGcRootJniLocal {
return s.HprofGcRootJniLocal
}
func (s *SmallRecordsReadStorage) ListHprofGcRootJavaFrame() []core.HprofGcRootJavaFrame {
return s.HprofGcRootJavaFrame
}
func (s *SmallRecordsReadStorage) ListHprofGcRootStickyClass() []core.HprofGcRootStickyClass {
return s.HprofGcRootStickyClass
}
func (s *SmallRecordsReadStorage) ListHprofGcRootThreadObj() []core.HprofGcRootThreadObj {
return s.HprofGcRootThreadObj
}
func (s *SmallRecordsReadStorage) GetHprofGcClassDump(classObjectId core.Identifier) (core.HprofGcClassDump, error) {
res, ok := s.HprofGcClassDump[classObjectId]
if !ok {
return core.HprofGcClassDump{}, fmt.Errorf("Cannot find HprofGcClassDump record with classObjectId = %v", classObjectId)
}
return res, nil
}