mirror of
https://github.com/seaweedfs/seaweedfs.git
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reformatting
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@@ -1,10 +1,10 @@
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package main
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package main
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import (
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import (
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"pkg/directory"
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"encoding/json"
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"encoding/json"
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"log"
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"log"
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"net/http"
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"net/http"
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"pkg/directory"
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"pkg/storage"
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"pkg/storage"
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"strconv"
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"strconv"
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"strings"
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"strings"
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@@ -41,17 +41,17 @@ func dirLookupHandler(w http.ResponseWriter, r *http.Request) {
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volumeId, _ := storage.NewVolumeId(vid)
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volumeId, _ := storage.NewVolumeId(vid)
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machine, e := mapper.Get(volumeId)
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machine, e := mapper.Get(volumeId)
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if e == nil {
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if e == nil {
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writeJson(w, r, machine.Server)
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writeJson(w, r, map[string]string{"url": machine.Url, "publicUrl": machine.PublicUrl})
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} else {
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} else {
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log.Println("Invalid volume id", volumeId)
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log.Println("Invalid volume id", volumeId)
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writeJson(w, r, map[string]string{"error": "volume id " + volumeId.String() + " not found"})
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writeJson(w, r, map[string]string{"error": "volume id " + volumeId.String() + " not found"})
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}
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}
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}
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}
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func dirAssignHandler(w http.ResponseWriter, r *http.Request) {
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func dirAssignHandler(w http.ResponseWriter, r *http.Request) {
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c:=r.FormValue("count")
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c := r.FormValue("count")
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fid, count, machine, err := mapper.PickForWrite(c)
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fid, count, machine, err := mapper.PickForWrite(c)
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if err == nil {
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if err == nil {
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writeJson(w, r, map[string]string{"fid": fid, "url": machine.Url, "publicUrl":machine.PublicUrl, "count":strconv.Itoa(count)})
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writeJson(w, r, map[string]string{"fid": fid, "url": machine.Url, "publicUrl": machine.PublicUrl, "count": strconv.Itoa(count)})
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} else {
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} else {
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writeJson(w, r, map[string]string{"error": err.Error()})
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writeJson(w, r, map[string]string{"error": err.Error()})
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}
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}
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@@ -10,18 +10,11 @@ import (
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"sync"
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"sync"
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)
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)
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const (
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type Machine struct {
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FileIdSaveInterval = 10000
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Volumes []storage.VolumeInfo
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)
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type MachineInfo struct {
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Url string //<server name/ip>[:port]
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Url string //<server name/ip>[:port]
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PublicUrl string
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PublicUrl string
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}
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}
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type Machine struct {
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Server MachineInfo
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Volumes []storage.VolumeInfo
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}
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type Mapper struct {
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type Mapper struct {
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volumeLock sync.Mutex
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volumeLock sync.Mutex
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@@ -35,7 +28,7 @@ type Mapper struct {
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}
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}
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func NewMachine(server, publicUrl string, volumes []storage.VolumeInfo) *Machine {
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func NewMachine(server, publicUrl string, volumes []storage.VolumeInfo) *Machine {
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return &Machine{Server: MachineInfo{Url: server, PublicUrl: publicUrl}, Volumes: volumes}
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return &Machine{Url: server, PublicUrl: publicUrl, Volumes: volumes}
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}
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}
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func NewMapper(dirname string, filename string, volumeSizeLimit uint64) (m *Mapper) {
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func NewMapper(dirname string, filename string, volumeSizeLimit uint64) (m *Mapper) {
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@@ -49,7 +42,7 @@ func NewMapper(dirname string, filename string, volumeSizeLimit uint64) (m *Mapp
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return
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return
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}
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}
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func (m *Mapper) PickForWrite(c string) (string, int, *MachineInfo, error) {
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func (m *Mapper) PickForWrite(c string) (string, int, *Machine, error) {
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len_writers := len(m.Writers)
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len_writers := len(m.Writers)
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if len_writers <= 0 {
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if len_writers <= 0 {
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log.Println("No more writable volumes!")
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log.Println("No more writable volumes!")
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@@ -61,11 +54,11 @@ func (m *Mapper) PickForWrite(c string) (string, int, *MachineInfo, error) {
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machine := m.Machines[machine_id-1]
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machine := m.Machines[machine_id-1]
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fileId, count := m.sequence.NextFileId(util.ParseInt(c, 1))
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fileId, count := m.sequence.NextFileId(util.ParseInt(c, 1))
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if count == 0 {
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if count == 0 {
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return "", 0, &m.Machines[rand.Intn(len(m.Machines))].Server, errors.New("Strange count:" + c)
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return "", 0, m.Machines[rand.Intn(len(m.Machines))], errors.New("Strange count:" + c)
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}
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}
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return NewFileId(vid, fileId, rand.Uint32()).String(), count, &machine.Server, nil
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return NewFileId(vid, fileId, rand.Uint32()).String(), count, machine, nil
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}
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}
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return "", 0, &m.Machines[rand.Intn(len(m.Machines))].Server, errors.New("Strangely vid " + vid.String() + " is on no machine!")
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return "", 0, m.Machines[rand.Intn(len(m.Machines))], errors.New("Strangely vid " + vid.String() + " is on no machine!")
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}
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}
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func (m *Mapper) Get(vid storage.VolumeId) (*Machine, error) {
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func (m *Mapper) Get(vid storage.VolumeId) (*Machine, error) {
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machineId := m.vid2machineId[vid]
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machineId := m.vid2machineId[vid]
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@@ -80,7 +73,7 @@ func (m *Mapper) Add(machine Machine) {
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m.volumeLock.Lock()
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m.volumeLock.Lock()
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foundExistingMachineId := -1
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foundExistingMachineId := -1
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for index, entry := range m.Machines {
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for index, entry := range m.Machines {
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if machine.Server.Url == entry.Server.Url {
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if machine.Url == entry.Url {
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foundExistingMachineId = index
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foundExistingMachineId = index
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break
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break
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}
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}
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