mirror of
https://github.com/seaweedfs/seaweedfs.git
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119 lines
3.6 KiB
Go
119 lines
3.6 KiB
Go
package weed_server
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import (
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"math/rand"
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"net/http"
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"sync"
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"time"
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"github.com/chrislusf/seaweedfs/go/glog"
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"github.com/chrislusf/seaweedfs/go/security"
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"github.com/chrislusf/seaweedfs/go/storage"
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)
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type VolumeServer struct {
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masterNode string
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mnLock sync.RWMutex
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pulseSeconds int
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dataCenter string
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rack string
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store *storage.Store
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guard *security.Guard
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needleMapKind storage.NeedleMapType
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FixJpgOrientation bool
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}
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func NewVolumeServer(adminMux, publicMux *http.ServeMux, ip string,
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port int, publicUrl string,
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folders []string, maxCounts []int,
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needleMapKind storage.NeedleMapType,
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masterNode string, pulseSeconds int,
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dataCenter string, rack string,
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whiteList []string,
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fixJpgOrientation bool) *VolumeServer {
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vs := &VolumeServer{
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pulseSeconds: pulseSeconds,
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dataCenter: dataCenter,
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rack: rack,
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needleMapKind: needleMapKind,
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FixJpgOrientation: fixJpgOrientation,
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}
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vs.SetMasterNode(masterNode)
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vs.store = storage.NewStore(port, ip, publicUrl, folders, maxCounts, vs.needleMapKind)
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vs.guard = security.NewGuard(whiteList, "")
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adminMux.HandleFunc("/ui/index.html", vs.uiStatusHandler)
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adminMux.HandleFunc("/status", vs.guard.WhiteList(vs.statusHandler))
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adminMux.HandleFunc("/admin/assign_volume", vs.guard.WhiteList(vs.assignVolumeHandler))
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adminMux.HandleFunc("/admin/vacuum/check", vs.guard.WhiteList(vs.vacuumVolumeCheckHandler))
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adminMux.HandleFunc("/admin/vacuum/compact", vs.guard.WhiteList(vs.vacuumVolumeCompactHandler))
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adminMux.HandleFunc("/admin/vacuum/commit", vs.guard.WhiteList(vs.vacuumVolumeCommitHandler))
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adminMux.HandleFunc("/admin/delete_collection", vs.guard.WhiteList(vs.deleteCollectionHandler))
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adminMux.HandleFunc("/stats/counter", vs.guard.WhiteList(statsCounterHandler))
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adminMux.HandleFunc("/stats/memory", vs.guard.WhiteList(statsMemoryHandler))
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adminMux.HandleFunc("/stats/disk", vs.guard.WhiteList(vs.statsDiskHandler))
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adminMux.HandleFunc("/delete", vs.guard.WhiteList(vs.batchDeleteHandler))
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adminMux.HandleFunc("/", vs.privateStoreHandler)
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if publicMux != adminMux {
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// separated admin and public port
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publicMux.HandleFunc("/", vs.publicReadOnlyHandler)
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}
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go func() {
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connected := true
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glog.V(0).Infof("Volume server bootstraps with master %s", vs.GetMasterNode())
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vs.store.SetBootstrapMaster(vs.GetMasterNode())
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vs.store.SetDataCenter(vs.dataCenter)
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vs.store.SetRack(vs.rack)
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for {
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glog.V(4).Infof("Volume server sending to master %s", vs.GetMasterNode())
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master, secretKey, err := vs.store.SendHeartbeatToMaster()
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if err == nil {
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if !connected {
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connected = true
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vs.SetMasterNode(master)
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vs.guard.SecretKey = secretKey
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glog.V(0).Infoln("Volume Server Connected with master at", master)
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}
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} else {
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glog.V(1).Infof("Volume Server Failed to talk with master %+v: %v", vs, err)
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if connected {
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connected = false
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}
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}
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if connected {
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time.Sleep(time.Duration(float32(vs.pulseSeconds*1e3)*(1+rand.Float32())) * time.Millisecond)
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} else {
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time.Sleep(time.Duration(float32(vs.pulseSeconds*1e3)*0.25) * time.Millisecond)
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}
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}
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}()
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return vs
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}
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func (vs *VolumeServer) GetMasterNode() string {
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vs.mnLock.RLock()
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defer vs.mnLock.RUnlock()
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return vs.masterNode
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}
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func (vs *VolumeServer) SetMasterNode(masterNode string) {
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vs.mnLock.Lock()
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defer vs.mnLock.Unlock()
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vs.masterNode = masterNode
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}
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func (vs *VolumeServer) Shutdown() {
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glog.V(0).Infoln("Shutting down volume server...")
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vs.store.Close()
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glog.V(0).Infoln("Shut down successfully!")
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}
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func (vs *VolumeServer) jwt(fileId string) security.EncodedJwt {
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return security.GenJwt(vs.guard.SecretKey, fileId)
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}
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