compatible with Go1

git-svn-id: https://weed-fs.googlecode.com/svn/trunk@46 282b0af5-e82d-9cf1-ede4-77906d7719d0
This commit is contained in:
chris.lu@gmail.com
2012-06-29 07:53:47 +00:00
parent 8edf12f026
commit bb01324482
17 changed files with 148 additions and 693 deletions

View File

@@ -1,36 +0,0 @@
# Makefile generated by gb: http://go-gb.googlecode.com
# gb provides configuration-free building and distributing
include $(GOROOT)/src/Make.inc
TARG=directory
GOFILES=\
file_id.go\
volume_mapping.go\
# gb: this is the local install
GBROOT=../../..
# gb: compile/link against local install
GCIMPORTS+= -I $(GBROOT)/_obj
LDIMPORTS+= -L $(GBROOT)/_obj
# gb: compile/link against GOPATH entries
GOPATHSEP=:
ifeq ($(GOHOSTOS),windows)
GOPATHSEP=;
endif
GCIMPORTS+=-I $(subst $(GOPATHSEP),/pkg/$(GOOS)_$(GOARCH) -I , $(GOPATH))/pkg/$(GOOS)_$(GOARCH)
LDIMPORTS+=-L $(subst $(GOPATHSEP),/pkg/$(GOOS)_$(GOARCH) -L , $(GOPATH))/pkg/$(GOOS)_$(GOARCH)
# gb: copy to local install
$(GBROOT)/_obj/$(TARG).a: _obj/$(TARG).a
mkdir -p $(dir $@); cp -f $< $@
package: $(GBROOT)/_obj/$(TARG).a
include $(GOROOT)/src/Make.pkg
# gb: local dependencies
_obj/$(TARG).a: $(GBROOT)/_obj/storage.a
_obj/$(TARG).a: $(GBROOT)/_obj/util.a

View File

@@ -3,10 +3,10 @@ package directory
import (
"encoding/hex"
"log"
"storage"
"pkg/storage"
"strconv"
"strings"
"util"
"pkg/util"
)
type FileId struct {
@@ -18,14 +18,14 @@ type FileId struct {
func NewFileId(VolumeId uint32, 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 {
log.Println("Invalid fid", fid, ", split length", len(a))
log.Println("Invalid fid", fid, ", split length", len(a))
return nil
}
vid_string, key_hash_string := a[0], a[1]
vid, _ := strconv.Atoui64(vid_string)
vid, _ := strconv.ParseUint(vid_string, 10, 64)
key, hash := storage.ParseKeyHash(key_hash_string)
return &FileId{VolumeId: uint32(vid), Key: key, Hashcode: hash}
}
@@ -36,5 +36,5 @@ func (n *FileId) String() string {
nonzero_index := 0
for ; bytes[nonzero_index] == 0; nonzero_index++ {
}
return strconv.Uitoa64(uint64(n.VolumeId)) + "," + hex.EncodeToString(bytes[nonzero_index:])
return strconv.FormatUint(uint64(n.VolumeId), 10) + "," + hex.EncodeToString(bytes[nonzero_index:])
}

View File

@@ -1,12 +1,13 @@
package directory
import (
"gob"
"encoding/gob"
"errors"
"log"
"math/rand"
"os"
"path"
"rand"
"log"
"storage"
"pkg/storage"
"strconv"
"sync"
)
@@ -31,7 +32,7 @@ type Mapper struct {
lock sync.Mutex
Machines []*Machine
vid2machineId map[uint32]int //machineId is +1 of the index of []*Machine, to detect not found entries
Writers []uint32 // transient array of Writers volume id
Writers []uint32 // transient array of Writers volume id
FileIdSequence uint64
fileIdCounter uint64
@@ -64,11 +65,11 @@ func NewMapper(dirname string, filename string, volumeSizeLimit uint64) (m *Mapp
}
return
}
func (m *Mapper) PickForWrite() (string, MachineInfo, os.Error) {
func (m *Mapper) PickForWrite() (string, MachineInfo, error) {
len_writers := len(m.Writers)
if len_writers <= 0 {
log.Println("No more writable volumes!")
return "", m.Machines[rand.Intn(len(m.Machines))].Server, os.NewError("No more writable volumes!")
return "", m.Machines[rand.Intn(len(m.Machines))].Server, errors.New("No more writable volumes!")
}
vid := m.Writers[rand.Intn(len_writers)]
machine_id := m.vid2machineId[vid]
@@ -76,7 +77,7 @@ func (m *Mapper) PickForWrite() (string, MachineInfo, os.Error) {
machine := m.Machines[machine_id-1]
return NewFileId(vid, m.NextFileId(), rand.Uint32()).String(), machine.Server, nil
}
return "", m.Machines[rand.Intn(len(m.Machines))].Server, os.NewError("Strangely vid " + strconv.Uitoa64(uint64(vid)) + " is on no machine!")
return "", m.Machines[rand.Intn(len(m.Machines))].Server, errors.New("Strangely vid " + strconv.FormatUint(uint64(vid), 10) + " is on no machine!")
}
func (m *Mapper) NextFileId() uint64 {
if m.fileIdCounter <= 0 {
@@ -87,16 +88,16 @@ func (m *Mapper) NextFileId() uint64 {
m.fileIdCounter--
return m.FileIdSequence - m.fileIdCounter
}
func (m *Mapper) Get(vid uint32) (*Machine, os.Error) {
func (m *Mapper) Get(vid uint32) (*Machine, error) {
machineId := m.vid2machineId[vid]
if machineId <= 0 {
return nil, os.NewError("invalid volume id " + strconv.Uitob64(uint64(vid), 10))
return nil, errors.New("invalid volume id " + strconv.FormatUint(uint64(vid), 10))
}
return m.Machines[machineId-1], nil
}
func (m *Mapper) Add(machine Machine) {
//check existing machine, linearly
//log.Println("Adding machine", machine.Server.Url)
//log.Println("Adding machine", machine.Server.Url)
m.lock.Lock()
foundExistingMachineId := -1
for index, entry := range m.Machines {