Revert "add cmd/dump - a dumper"

This reverts commit 5d2a1e8d48.
This commit is contained in:
Chris Lu 2013-01-17 00:15:05 -08:00
parent d1494ea786
commit bf9c4ed033
36 changed files with 466 additions and 622 deletions

View file

@ -1,96 +0,0 @@
// Copyright Tamás Gulácsi 2013 All rights reserved
// Use of this source is governed by the same rules as the weed-fs library.
// If this would be ambigous, than Apache License 2.0 has to be used.
//
// dump dumps the files of a volume to tar or unique files.
// Each file will have id#mimetype#original_name file format
package main
import (
"archive/tar"
"bytes"
"flag"
"fmt"
// "io"
"log"
"os"
"pkg/storage"
"strings"
"time"
)
var (
volumePath = flag.String("dir", "/tmp", "volume directory")
volumeId = flag.Int("id", 0, "volume Id")
dest = flag.String("out", "-", "output path. Produces tar if path ends with .tar; creates files otherwise.")
tarFh *tar.Writer
tarHeader tar.Header
counter int
)
func main() {
var err error
flag.Parse()
if *dest == "-" {
*dest = ""
}
if *dest == "" || strings.HasSuffix(*dest, ".tar") {
var fh *os.File
if *dest == "" {
fh = os.Stdout
} else {
if fh, err = os.Create(*dest); err != nil {
log.Printf("cannot open output tar %s: %s", *dest, err)
return
}
}
defer fh.Close()
tarFh = tar.NewWriter(fh)
defer tarFh.Close()
t := time.Now()
tarHeader = tar.Header{Mode: 0644,
ModTime: t, Uid: os.Getuid(), Gid: os.Getgid(),
Typeflag: tar.TypeReg,
AccessTime: t, ChangeTime: t}
}
v, err := storage.NewVolume(*volumePath, storage.VolumeId(*volumeId), storage.CopyNil)
if v == nil || v.Version() == 0 || err != nil {
log.Printf("cannot load volume %d from %s (%s): %s", *volumeId, *volumePath, v, err)
return
}
log.Printf("volume: %s (ver. %d)", v, v.Version())
if err := v.WalkValues(walker); err != nil {
log.Printf("error while walking: %s", err)
return
}
log.Printf("%d files written.", counter)
}
func walker(n *storage.Needle) (err error) {
// log.Printf("Id=%d Size=%d Name=%s mime=%s", n.Id, n.Size, n.Name, n.Mime)
nm := fmt.Sprintf("%d#%s#%s", n.Id, bytes.Replace(n.Mime, []byte{'/'}, []byte{'_'}, -1), n.Name)
// log.Print(nm)
if tarFh != nil {
tarHeader.Name, tarHeader.Size = nm, int64(len(n.Data))
if err = tarFh.WriteHeader(&tarHeader); err != nil {
return err
}
_, err = tarFh.Write(n.Data)
} else {
if fh, e := os.Create(*dest + "/" + nm); e != nil {
return e
} else {
defer fh.Close()
_, err = fh.Write(n.Data)
}
}
if err == nil {
counter++
}
return
}

View file

@ -24,6 +24,7 @@ type Command struct {
// Flag is a set of flags specific to this command.
Flag flag.FlagSet
}
// Name returns the command's name: the first word in the usage line.

View file

@ -2,8 +2,8 @@ package main
import (
"bufio"
"fmt"
"os"
"fmt"
)
func init() {
@ -18,25 +18,26 @@ var cmdShell = &Command{
`,
}
var ()
var (
)
func runShell(command *Command, args []string) bool {
r := bufio.NewReader(os.Stdin)
o := bufio.NewWriter(os.Stdout)
e := bufio.NewWriter(os.Stderr)
prompt := func() {
prompt := func () {
o.WriteString("> ")
o.Flush()
}
readLine := func() string {
};
readLine := func () string {
ret, err := r.ReadString('\n')
if err != nil {
fmt.Fprint(e, err)
fmt.Fprint(e,err);
os.Exit(1)
}
return ret
}
execCmd := func(cmd string) int {
execCmd := func (cmd string) int {
if cmd != "" {
o.WriteString(cmd)
}

View file

@ -3,8 +3,8 @@ package directory
import (
"encoding/hex"
"pkg/storage"
"pkg/util"
"strings"
"pkg/util"
)
type FileId struct {
@ -16,7 +16,7 @@ type FileId struct {
func NewFileId(VolumeId storage.VolumeId, Key uint64, Hashcode uint32) *FileId {
return &FileId{VolumeId: VolumeId, Key: Key, Hashcode: Hashcode}
}
func ParseFileId(fid string) *FileId {
func ParseFileId(fid string) *FileId{
a := strings.Split(fid, ",")
if len(a) != 2 {
println("Invalid fid", fid, ", split length", len(a))

View file

@ -1,8 +1,8 @@
package operation
import (
"log"
"net/http"
"log"
)
func Delete(url string) error {

View file

@ -2,11 +2,11 @@ package operation
import (
"encoding/json"
"errors"
_ "fmt"
"net/url"
"pkg/storage"
"pkg/util"
_ "fmt"
"errors"
)
type Location struct {
@ -31,7 +31,7 @@ func Lookup(server string, vid storage.VolumeId) (*LookupResult, error) {
if err != nil {
return nil, err
}
if ret.Error != "" {
if ret.Error != ""{
return nil, errors.New(ret.Error)
}
return &ret, nil

View file

@ -3,13 +3,13 @@ package operation
import (
"bytes"
"encoding/json"
"errors"
_ "fmt"
"io"
"io/ioutil"
"log"
"mime/multipart"
"net/http"
"errors"
)
type UploadResult struct {
@ -40,7 +40,7 @@ func Upload(uploadUrl string, filename string, reader io.Reader) (*UploadResult,
log.Println("failing to read upload resonse", uploadUrl, resp_body)
return nil, err
}
if ret.Error != "" {
if ret.Error != ""{
return nil, errors.New(ret.Error)
}
return &ret, nil

View file

@ -182,7 +182,7 @@ func (vg *VolumeGrowth) GrowByCountAndType(count int, repType storage.Replicatio
func (vg *VolumeGrowth) grow(topo *topology.Topology, vid storage.VolumeId, repType storage.ReplicationType, servers ...*topology.DataNode) error {
for _, server := range servers {
if err := operation.AllocateVolume(server, vid, repType); err == nil {
vi := storage.VolumeInfo{Id: vid, Size: 0, RepType: repType, Version: storage.CurrentVersion}
vi := storage.VolumeInfo{Id: vid, Size: 0, RepType: repType, Version:storage.CurrentVersion}
server.AddOrUpdateVolume(vi)
topo.RegisterVolumeLayout(&vi, server)
fmt.Println("Created Volume", vid, "on", server)

View file

@ -80,7 +80,7 @@ func setup(topologyLayout string) *topology.Topology {
fmt.Println("data:", data)
//need to connect all nodes first before server adding volumes
topo := topology.NewTopology("mynetwork", "/etc/weedfs/weedfs.conf", "/tmp", "testing", 32*1024, 5)
topo := topology.NewTopology("mynetwork","/etc/weedfs/weedfs.conf","/tmp","testing",32*1024, 5)
mTopology := data.(map[string]interface{})
for dcKey, dcValue := range mTopology {
dc := topology.NewDataCenter(dcKey)
@ -96,7 +96,7 @@ func setup(topologyLayout string) *topology.Topology {
rack.LinkChildNode(server)
for _, v := range serverMap["volumes"].([]interface{}) {
m := v.(map[string]interface{})
vi := storage.VolumeInfo{Id: storage.VolumeId(int64(m["id"].(float64))), Size: int64(m["size"].(float64)), Version: storage.CurrentVersion}
vi := storage.VolumeInfo{Id: storage.VolumeId(int64(m["id"].(float64))), Size: int64(m["size"].(float64)), Version:storage.CurrentVersion}
server.AddOrUpdateVolume(vi)
}
server.UpAdjustMaxVolumeCountDelta(int(serverMap["limit"].(float64)))
@ -122,8 +122,9 @@ func TestRemoveDataCenter(t *testing.T) {
func TestReserveOneVolume(t *testing.T) {
topo := setup(topologyLayout)
rand.Seed(time.Now().UnixNano())
vg := &VolumeGrowth{copy1factor: 3, copy2factor: 2, copy3factor: 1, copyAll: 4}
if c, e := vg.GrowByCountAndType(1, storage.Copy000, topo); e == nil {
vg:=&VolumeGrowth{copy1factor:3,copy2factor:2,copy3factor:1,copyAll:4}
if c, e := vg.GrowByCountAndType(1,storage.Copy000,topo);e==nil{
t.Log("reserved", c)
}
}

View file

@ -2,10 +2,10 @@ package sequence
import (
"encoding/gob"
"log"
"os"
"path"
"sync"
"log"
)
const (

View file

@ -175,23 +175,3 @@ func (cm *CompactMap) Peek() {
}
}
}
// iterate over the keys by calling iterate on each key till error is returned
func (cm *CompactMap) Walk(pedestrian func(*NeedleValue) error) (err error) {
var i int
for _, cs := range cm.list {
for key := cs.start; key < cs.end; key++ {
if i = cs.binarySearchValues(key); i >= 0 {
if err = pedestrian(&cs.values[i]); err != nil {
return
}
}
}
for _, val := range cs.overflow {
if err = pedestrian(val); err != nil {
return err
}
}
}
return nil
}

View file

@ -1,10 +1,10 @@
package storage
import (
"testing"
"log"
"os"
"pkg/util"
"testing"
)
func TestMemoryUsage(t *testing.T) {

View file

@ -18,11 +18,11 @@ func TestXYZ(t *testing.T) {
m.Set(Key(i), i+11, i+5)
}
// for i := uint32(0); i < 100; i++ {
// if v := m.Get(Key(i)); v != nil {
// println(i, "=", v.Key, v.Offset, v.Size)
// }
// }
// for i := uint32(0); i < 100; i++ {
// if v := m.Get(Key(i)); v != nil {
// println(i, "=", v.Key, v.Offset, v.Size)
// }
// }
for i := uint32(0); i < 10*batch; i++ {
v, ok := m.Get(Key(i))
@ -51,7 +51,7 @@ func TestXYZ(t *testing.T) {
t.Fatal("key", i, "should have been deleted needle value", v)
}
} else if i%2 == 0 {
if v == nil {
if v==nil{
t.Fatal("key", i, "missing")
}
if v.Size != i {

View file

@ -98,8 +98,3 @@ func (nm *NeedleMap) Close() {
func (nm *NeedleMap) ContentSize() uint64 {
return nm.fileByteCounter
}
// iterate through all needles using the iterator function
func (nm *NeedleMap) Walk(pedestrian func(*NeedleValue) error) (err error) {
return nm.m.Walk(pedestrian)
}

View file

@ -2,10 +2,10 @@ package storage
import (
"errors"
"fmt"
"io"
"os"
"pkg/util"
"fmt"
)
func (n *Needle) Append(w io.Writer, version Version) uint32 {
@ -62,8 +62,7 @@ func (n *Needle) Append(w io.Writer, version Version) uint32 {
return n.Size
}
func (n *Needle) Read(r io.Reader, size uint32, version Version) (int, error) {
switch version {
case Version1:
if version == Version1 {
bytes := make([]byte, NeedleHeaderSize+size+NeedleChecksumSize)
ret, e := r.Read(bytes)
n.readNeedleHeader(bytes)
@ -73,7 +72,7 @@ func (n *Needle) Read(r io.Reader, size uint32, version Version) (int, error) {
return 0, errors.New("CRC error! Data On Disk Corrupted!")
}
return ret, e
case Version2:
} else if version == Version2 {
if size == 0 {
return 0, nil
}
@ -96,7 +95,7 @@ func (n *Needle) Read(r io.Reader, size uint32, version Version) (int, error) {
}
return ret, e
}
return 0, fmt.Errorf("Unsupported Version! (%d)", version)
return 0, errors.New("Unsupported Version!")
}
func (n *Needle) readNeedleHeader(bytes []byte) {
n.Cookie = util.BytesToUint32(bytes[0:4])

View file

@ -32,7 +32,7 @@ func NewReplicationTypeFromString(t string) (ReplicationType, error) {
case "200":
return Copy200, nil
}
return Copy000, errors.New("Unknown Replication Type:" + t)
return Copy000, errors.New("Unknown Replication Type:"+t)
}
func NewReplicationTypeFromByte(b byte) (ReplicationType, error) {
switch b {
@ -49,7 +49,7 @@ func NewReplicationTypeFromByte(b byte) (ReplicationType, error) {
case byte(200):
return Copy200, nil
}
return Copy000, errors.New("Unknown Replication Type:" + string(b))
return Copy000, errors.New("Unknown Replication Type:"+string(b))
}
func (r *ReplicationType) String() string {
@ -87,7 +87,7 @@ func (r *ReplicationType) Byte() byte {
return byte(000)
}
func (repType ReplicationType) GetReplicationLevelIndex() int {
func (repType ReplicationType)GetReplicationLevelIndex() int {
switch repType {
case Copy000:
return 0
@ -104,7 +104,7 @@ func (repType ReplicationType) GetReplicationLevelIndex() int {
}
return -1
}
func (repType ReplicationType) GetCopyCount() int {
func (repType ReplicationType)GetCopyCount() int {
switch repType {
case Copy000:
return 1

View file

@ -65,13 +65,13 @@ func (s *Store) AddVolume(volumeListString string, replicationType string) error
}
return e
}
func (s *Store) addVolume(vid VolumeId, replicationType ReplicationType) (err error) {
func (s *Store) addVolume(vid VolumeId, replicationType ReplicationType) error {
if s.volumes[vid] != nil {
return errors.New("Volume Id " + vid.String() + " already exists!")
}
log.Println("In dir", s.dir, "adds volume =", vid, ", replicationType =", replicationType)
s.volumes[vid], err = NewVolume(s.dir, vid, replicationType)
return err
s.volumes[vid] = NewVolume(s.dir, vid, replicationType)
return nil
}
func (s *Store) CheckCompactVolume(volumeIdString string, garbageThresholdString string) (error, bool) {
@ -107,7 +107,7 @@ func (s *Store) loadExistingVolumes() {
base := name[:len(name)-len(".dat")]
if vid, err := NewVolumeId(base); err == nil {
if s.volumes[vid] == nil {
if v, e := NewVolume(s.dir, vid, CopyNil); e == nil {
v := NewVolume(s.dir, vid, CopyNil)
s.volumes[vid] = v
log.Println("In dir", s.dir, "read volume =", vid, "replicationType =", v.replicaType, "version =", v.version, "size =", v.Size())
}
@ -115,7 +115,6 @@ func (s *Store) loadExistingVolumes() {
}
}
}
}
}
func (s *Store) Status() []*VolumeInfo {
var stats []*VolumeInfo

View file

@ -24,9 +24,9 @@ type Volume struct {
accessLock sync.Mutex
}
func NewVolume(dirname string, id VolumeId, replicationType ReplicationType) (v *Volume, e error) {
func NewVolume(dirname string, id VolumeId, replicationType ReplicationType) (v *Volume) {
v = &Volume{dir: dirname, Id: id, replicaType: replicationType}
e = v.load()
v.load()
return
}
func (v *Volume) load() error {
@ -43,7 +43,6 @@ func (v *Volume) load() error {
} else {
v.maybeWriteSuperBlock()
}
// TODO: if .idx not exists, but .cdb exists, then use (but don't load!) that
indexFile, ie := os.OpenFile(fileName+".idx", os.O_RDWR|os.O_CREATE, 0644)
if ie != nil {
return fmt.Errorf("cannot create Volume Data %s.dat: %s", fileName, e)
@ -80,23 +79,21 @@ func (v *Volume) maybeWriteSuperBlock() {
v.dataFile.Write(header)
}
}
func (v *Volume) readSuperBlock() (err error) {
func (v *Volume) readSuperBlock() error {
v.dataFile.Seek(0, 0)
header := make([]byte, SuperBlockSize)
if _, e := v.dataFile.Read(header); e != nil {
return fmt.Errorf("cannot read superblock: %s", e)
}
var err error
v.version, v.replicaType, err = ParseSuperBlock(header)
return err
}
func ParseSuperBlock(header []byte) (version Version, replicaType ReplicationType, err error) {
func ParseSuperBlock(header []byte) (version Version, replicaType ReplicationType, e error) {
version = Version(header[0])
if version == 0 {
err = errors.New("Zero version impossible - bad superblock!")
return
}
var err error
if replicaType, err = NewReplicationTypeFromByte(header[1]); err != nil {
err = fmt.Errorf("cannot read replica type: %s", err)
e = fmt.Errorf("cannot read replica type: %s", err)
}
return
}
@ -224,39 +221,3 @@ func (v *Volume) copyDataAndGenerateIndexFile(srcName, dstName, idxName string)
func (v *Volume) ContentSize() uint64 {
return v.nm.fileByteCounter
}
// Walk over the contained needles (call the function with each NeedleValue till error is returned)
func (v *Volume) WalkValues(pedestrian func(*Needle) error) error {
pedplus := func(nv *NeedleValue) (err error) {
n := new(Needle)
if nv.Offset > 0 {
v.dataFile.Seek(int64(nv.Offset)*NeedlePaddingSize, 0)
if _, err = n.Read(v.dataFile, nv.Size, v.version); err != nil {
return
}
if err = pedestrian(n); err != nil {
return
}
}
return nil
}
return v.nm.Walk(pedplus)
}
// Walk over the keys
func (v *Volume) WalkKeys(pedestrian func(Key) error) error {
pedplus := func(nv *NeedleValue) (err error) {
if nv.Offset > 0 && nv.Key > 0 {
if err = pedestrian(nv.Key); err != nil {
return
}
}
return nil
}
return v.nm.Walk(pedplus)
}
func (v *Volume) String() string {
return fmt.Sprintf("%d@%s:v%d:r%s", v.Id, v.dataFile.Name(),
v.Version(), v.replicaType)
}

View file

@ -5,14 +5,13 @@ import (
)
type VolumeId uint32
func NewVolumeId(vid string) (VolumeId, error) {
func NewVolumeId(vid string) (VolumeId,error) {
volumeId, err := strconv.ParseUint(vid, 10, 64)
return VolumeId(volumeId), err
}
func (vid *VolumeId) String() string {
func (vid *VolumeId) String() string{
return strconv.FormatUint(uint64(*vid), 10)
}
func (vid *VolumeId) Next() VolumeId {
return VolumeId(uint32(*vid) + 1)
func (vid *VolumeId) Next() VolumeId{
return VolumeId(uint32(*vid)+1)
}

View file

@ -1,6 +1,7 @@
package storage
import ()
import (
)
type Version uint8

View file

@ -32,11 +32,11 @@ func TestLoadConfiguration(t *testing.T) {
c, err := NewConfiguration([]byte(confContent))
fmt.Printf("%s\n", c)
if err != nil {
t.Fatalf("unmarshal error:%s", err.Error())
if err!=nil{
t.Fatalf("unmarshal error:%s",err.Error())
}
if len(c.Topo.DataCenters) <= 0 || c.Topo.DataCenters[0].Name != "dc1" {
t.Fatalf("unmarshal error:%s", c)
t.Fatalf("unmarshal error:%s",c)
}
}

View file

@ -1,6 +1,7 @@
package topology
import ()
import (
)
type DataCenter struct {
NodeImpl
@ -27,7 +28,7 @@ func (dc *DataCenter) GetOrCreateRack(rackName string) *Rack {
return rack
}
func (dc *DataCenter) ToMap() interface{} {
func (dc *DataCenter) ToMap() interface{}{
m := make(map[string]interface{})
m["Max"] = dc.GetMaxVolumeCount()
m["Free"] = dc.FreeSpace()

View file

@ -37,8 +37,8 @@ func (nl *NodeList) RandomlyPickN(n int, min int) ([]Node, bool) {
list = append(list, n)
}
}
if n > len(list) {
return nil, false
if n > len(list){
return nil,false
}
for i := n; i > 0; i-- {
r := rand.Intn(i)

View file

@ -1,38 +1,38 @@
package topology
import (
_ "fmt"
"strconv"
"testing"
_ "fmt"
)
func TestXYZ(t *testing.T) {
topo := NewTopology("topo", "/etc/weed.conf", "/tmp", "test", 234, 5)
topo := NewTopology("topo","/etc/weed.conf", "/tmp","test",234,5)
for i := 0; i < 5; i++ {
dc := NewDataCenter("dc" + strconv.Itoa(i))
dc.activeVolumeCount = i
dc.maxVolumeCount = 5
topo.LinkChildNode(dc)
}
nl := NewNodeList(topo.Children(), nil)
nl := NewNodeList(topo.Children(),nil)
picked, ret := nl.RandomlyPickN(1)
if !ret || len(picked) != 1 {
if !ret || len(picked)!=1 {
t.Errorf("need to randomly pick 1 node")
}
picked, ret = nl.RandomlyPickN(4)
if !ret || len(picked) != 4 {
if !ret || len(picked)!=4 {
t.Errorf("need to randomly pick 4 nodes")
}
picked, ret = nl.RandomlyPickN(5)
if !ret || len(picked) != 5 {
if !ret || len(picked)!=5 {
t.Errorf("need to randomly pick 5 nodes")
}
picked, ret = nl.RandomlyPickN(6)
if ret || len(picked) != 0 {
if ret || len(picked)!=0 {
t.Errorf("can not randomly pick 6 nodes:", ret, picked)
}

View file

@ -78,7 +78,7 @@ func setup(topologyLayout string) *Topology {
}
//need to connect all nodes first before server adding volumes
topo := NewTopology("mynetwork", "/etc/weed.conf", "/tmp", "test", 234, 5)
topo := NewTopology("mynetwork","/etc/weed.conf","/tmp","test",234,5)
mTopology := data.(map[string]interface{})
for dcKey, dcValue := range mTopology {
dc := NewDataCenter(dcKey)
@ -94,7 +94,7 @@ func setup(topologyLayout string) *Topology {
rack.LinkChildNode(server)
for _, v := range serverMap["volumes"].([]interface{}) {
m := v.(map[string]interface{})
vi := storage.VolumeInfo{Id: storage.VolumeId(int64(m["id"].(float64))), Size: int64(m["size"].(float64)), Version: storage.CurrentVersion}
vi := storage.VolumeInfo{Id: storage.VolumeId(int64(m["id"].(float64))), Size: int64(m["size"].(float64)), Version:storage.CurrentVersion}
server.AddOrUpdateVolume(vi)
}
server.UpAdjustMaxVolumeCountDelta(int(serverMap["limit"].(float64)))
@ -122,6 +122,6 @@ func TestReserveOneVolume(t *testing.T) {
rand.Seed(time.Now().UnixNano())
rand.Seed(1)
ret, node, vid := topo.RandomlyReserveOneVolume()
fmt.Println("assigned :", ret, ", node :", node, ", volume id:", vid)
fmt.Println("assigned :", ret, ", node :", node,", volume id:", vid)
}

View file

@ -104,7 +104,7 @@ func vacuumVolume_Check(urlLocation string, vid storage.VolumeId, garbageThresho
values.Add("garbageThreshold", garbageThreshold)
jsonBlob, err := util.Post("http://"+urlLocation+"/admin/vacuum_volume_check", values)
if err != nil {
fmt.Println("parameters:", values)
fmt.Println("parameters:",values)
return err, false
}
var ret VacuumVolumeResult

View file

@ -1,6 +1,7 @@
package topology
import ()
import (
)
func (t *Topology) ToMap() interface{} {
m := make(map[string]interface{})

View file

@ -31,7 +31,7 @@ func (dnll *VolumeLocationList) Add(loc *DataNode) bool {
func (dnll *VolumeLocationList) Remove(loc *DataNode) bool {
for i, dnl := range dnll.list {
if loc.Ip == dnl.Ip && loc.Port == dnl.Port {
dnll.list = append(dnll.list[:i], dnll.list[i+1:]...)
dnll.list = append(dnll.list[:i],dnll.list[i+1:]...)
return true
}
}

View file

@ -1,33 +1,34 @@
package util
func BytesToUint64(b []byte) (v uint64) {
func BytesToUint64(b []byte)(v uint64){
length := uint(len(b))
for i := uint(0); i < length-1; i++ {
for i :=uint(0);i<length-1;i++ {
v += uint64(b[i])
v <<= 8
}
v += uint64(b[length-1])
v+=uint64(b[length-1])
return
}
func BytesToUint32(b []byte) (v uint32) {
func BytesToUint32(b []byte)(v uint32){
length := uint(len(b))
for i := uint(0); i < length-1; i++ {
for i :=uint(0);i<length-1;i++ {
v += uint32(b[i])
v <<= 8
}
v += uint32(b[length-1])
v+=uint32(b[length-1])
return
}
func Uint64toBytes(b []byte, v uint64) {
for i := uint(0); i < 8; i++ {
b[7-i] = byte(v >> (i * 8))
func Uint64toBytes(b []byte, v uint64){
for i :=uint(0);i<8;i++ {
b[7-i] = byte(v>>(i*8))
}
}
func Uint32toBytes(b []byte, v uint32) {
for i := uint(0); i < 4; i++ {
b[3-i] = byte(v >> (i * 8))
func Uint32toBytes(b []byte, v uint32){
for i :=uint(0);i<4;i++ {
b[3-i] = byte(v>>(i*8))
}
}
func Uint8toBytes(b []byte, v uint8) {
func Uint8toBytes(b []byte, v uint8){
b[0] = byte(v)
}

View file

@ -4,10 +4,10 @@ import (
"strconv"
)
func ParseInt(text string, defaultValue int) int {
count, parseError := strconv.ParseUint(text, 10, 64)
if parseError != nil {
if len(text) > 0 {
func ParseInt(text string, defaultValue int) int{
count, parseError := strconv.ParseUint(text,10,64)
if parseError!=nil {
if len(text)>0{
return 0
}
return defaultValue