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85 lines
2.8 KiB
85 lines
2.8 KiB
package weed_server
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import (
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"code.google.com/p/weed-fs/go/glog"
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"code.google.com/p/weed-fs/go/storage"
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"math/rand"
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"net/http"
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"strconv"
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"time"
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)
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type VolumeServer struct {
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masterNode string
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pulseSeconds int
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dataCenter string
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rack string
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whiteList []string
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store *storage.Store
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FixJpgOrientation bool
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}
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func NewVolumeServer(r *http.ServeMux, ip string, port int, publicIp string, folders []string, maxCounts []int,
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masterNode string, pulseSeconds int,
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dataCenter string, rack string,
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whiteList []string, fixJpgOrientation bool) *VolumeServer {
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publicUrl := publicIp + ":" + strconv.Itoa(port)
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vs := &VolumeServer{
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masterNode: masterNode,
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pulseSeconds: pulseSeconds,
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dataCenter: dataCenter,
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rack: rack,
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whiteList: whiteList,
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FixJpgOrientation: fixJpgOrientation,
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}
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vs.store = storage.NewStore(port, ip, publicUrl, folders, maxCounts)
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r.HandleFunc("/submit", secure(vs.whiteList, vs.submitFromVolumeServerHandler))
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r.HandleFunc("/status", secure(vs.whiteList, vs.statusHandler))
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r.HandleFunc("/admin/assign_volume", secure(vs.whiteList, vs.assignVolumeHandler))
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r.HandleFunc("/admin/vacuum_volume_check", secure(vs.whiteList, vs.vacuumVolumeCheckHandler))
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r.HandleFunc("/admin/vacuum_volume_compact", secure(vs.whiteList, vs.vacuumVolumeCompactHandler))
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r.HandleFunc("/admin/vacuum_volume_commit", secure(vs.whiteList, vs.vacuumVolumeCommitHandler))
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r.HandleFunc("/admin/freeze_volume", secure(vs.whiteList, vs.freezeVolumeHandler))
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r.HandleFunc("/admin/delete_collection", secure(vs.whiteList, vs.deleteCollectionHandler))
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r.HandleFunc("/stats/counter", secure(vs.whiteList, statsCounterHandler))
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r.HandleFunc("/stats/memory", secure(vs.whiteList, statsMemoryHandler))
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r.HandleFunc("/stats/disk", secure(vs.whiteList, vs.statsDiskHandler))
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r.HandleFunc("/delete", secure(vs.whiteList, vs.batchDeleteHandler))
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r.HandleFunc("/", vs.storeHandler)
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go func() {
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connected := true
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vs.store.SetBootstrapMaster(vs.masterNode)
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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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master, err := vs.store.Join()
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if err == nil {
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if !connected {
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connected = true
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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(4).Infoln("Volume Server Failed to talk with master:", err.Error())
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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) 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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