mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
255 lines
8 KiB
Go
255 lines
8 KiB
Go
package weed_server
|
|
|
|
import (
|
|
"code.google.com/p/weed-fs/go/glog"
|
|
"code.google.com/p/weed-fs/go/operation"
|
|
"code.google.com/p/weed-fs/go/replication"
|
|
"code.google.com/p/weed-fs/go/storage"
|
|
"mime"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
var fileNameEscaper = strings.NewReplacer("\\", "\\\\", "\"", "\\\"")
|
|
|
|
func (vs *VolumeServer) statusHandler(w http.ResponseWriter, r *http.Request) {
|
|
m := make(map[string]interface{})
|
|
m["Version"] = vs.version
|
|
m["Volumes"] = vs.store.Status()
|
|
writeJsonQuiet(w, r, m)
|
|
}
|
|
func (vs *VolumeServer) assignVolumeHandler(w http.ResponseWriter, r *http.Request) {
|
|
err := vs.store.AddVolume(r.FormValue("volume"), r.FormValue("collection"), r.FormValue("replication"))
|
|
if err == nil {
|
|
writeJsonQuiet(w, r, map[string]string{"error": ""})
|
|
} else {
|
|
writeJsonQuiet(w, r, map[string]string{"error": err.Error()})
|
|
}
|
|
glog.V(2).Infoln("assign volume =", r.FormValue("volume"), ", collection =", r.FormValue("collection"), ", replication =", r.FormValue("replication"), ", error =", err)
|
|
}
|
|
func (vs *VolumeServer) deleteCollectionHandler(w http.ResponseWriter, r *http.Request) {
|
|
if "benchmark" != r.FormValue("collection") {
|
|
glog.V(0).Infoln("deleting collection =", r.FormValue("collection"), "!!!")
|
|
return
|
|
}
|
|
err := vs.store.DeleteCollection(r.FormValue("collection"))
|
|
if err == nil {
|
|
writeJsonQuiet(w, r, map[string]string{"error": ""})
|
|
} else {
|
|
writeJsonQuiet(w, r, map[string]string{"error": err.Error()})
|
|
}
|
|
glog.V(2).Infoln("deleting collection =", r.FormValue("collection"), ", error =", err)
|
|
}
|
|
func (vs *VolumeServer) vacuumVolumeCheckHandler(w http.ResponseWriter, r *http.Request) {
|
|
err, ret := vs.store.CheckCompactVolume(r.FormValue("volume"), r.FormValue("garbageThreshold"))
|
|
if err == nil {
|
|
writeJsonQuiet(w, r, map[string]interface{}{"error": "", "result": ret})
|
|
} else {
|
|
writeJsonQuiet(w, r, map[string]interface{}{"error": err.Error(), "result": false})
|
|
}
|
|
glog.V(2).Infoln("checked compacting volume =", r.FormValue("volume"), "garbageThreshold =", r.FormValue("garbageThreshold"), "vacuum =", ret)
|
|
}
|
|
func (vs *VolumeServer) vacuumVolumeCompactHandler(w http.ResponseWriter, r *http.Request) {
|
|
err := vs.store.CompactVolume(r.FormValue("volume"))
|
|
if err == nil {
|
|
writeJsonQuiet(w, r, map[string]string{"error": ""})
|
|
} else {
|
|
writeJsonQuiet(w, r, map[string]string{"error": err.Error()})
|
|
}
|
|
glog.V(2).Infoln("compacted volume =", r.FormValue("volume"), ", error =", err)
|
|
}
|
|
func (vs *VolumeServer) vacuumVolumeCommitHandler(w http.ResponseWriter, r *http.Request) {
|
|
err := vs.store.CommitCompactVolume(r.FormValue("volume"))
|
|
if err == nil {
|
|
writeJsonQuiet(w, r, map[string]interface{}{"error": ""})
|
|
} else {
|
|
writeJsonQuiet(w, r, map[string]string{"error": err.Error()})
|
|
}
|
|
glog.V(2).Infoln("commit compact volume =", r.FormValue("volume"), ", error =", err)
|
|
}
|
|
func (vs *VolumeServer) freezeVolumeHandler(w http.ResponseWriter, r *http.Request) {
|
|
//TODO: notify master that this volume will be read-only
|
|
err := vs.store.FreezeVolume(r.FormValue("volume"))
|
|
if err == nil {
|
|
writeJsonQuiet(w, r, map[string]interface{}{"error": ""})
|
|
} else {
|
|
writeJsonQuiet(w, r, map[string]string{"error": err.Error()})
|
|
}
|
|
glog.V(2).Infoln("freeze volume =", r.FormValue("volume"), ", error =", err)
|
|
}
|
|
func (vs *VolumeServer) submitFromVolumeServerHandler(w http.ResponseWriter, r *http.Request) {
|
|
submitForClientHandler(w, r, vs.masterNode)
|
|
}
|
|
|
|
func (vs *VolumeServer) storeHandler(w http.ResponseWriter, r *http.Request) {
|
|
switch r.Method {
|
|
case "GET":
|
|
vs.GetOrHeadHandler(w, r, true)
|
|
case "HEAD":
|
|
vs.GetOrHeadHandler(w, r, false)
|
|
case "DELETE":
|
|
secure(vs.whiteList, vs.DeleteHandler)(w, r)
|
|
case "PUT":
|
|
secure(vs.whiteList, vs.PostHandler)(w, r)
|
|
case "POST":
|
|
secure(vs.whiteList, vs.PostHandler)(w, r)
|
|
}
|
|
}
|
|
func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request, isGetMethod bool) {
|
|
n := new(storage.Needle)
|
|
vid, fid, filename, ext, _ := parseURLPath(r.URL.Path)
|
|
volumeId, err := storage.NewVolumeId(vid)
|
|
if err != nil {
|
|
glog.V(2).Infoln("parsing error:", err, r.URL.Path)
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
err = n.ParsePath(fid)
|
|
if err != nil {
|
|
glog.V(2).Infoln("parsing fid error:", err, r.URL.Path)
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
glog.V(4).Infoln("volume", volumeId, "reading", n)
|
|
if !vs.store.HasVolume(volumeId) {
|
|
lookupResult, err := operation.Lookup(vs.masterNode, volumeId.String())
|
|
glog.V(2).Infoln("volume", volumeId, "found on", lookupResult, "error", err)
|
|
if err == nil && len(lookupResult.Locations) > 0 {
|
|
http.Redirect(w, r, "http://"+lookupResult.Locations[0].PublicUrl+r.URL.Path, http.StatusMovedPermanently)
|
|
} else {
|
|
glog.V(2).Infoln("lookup error:", err, r.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
}
|
|
return
|
|
}
|
|
cookie := n.Cookie
|
|
count, e := vs.store.Read(volumeId, n)
|
|
glog.V(4).Infoln("read bytes", count, "error", e)
|
|
if e != nil || count <= 0 {
|
|
glog.V(0).Infoln("read error:", e, r.URL.Path)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
if n.Cookie != cookie {
|
|
glog.V(0).Infoln("request with unmaching cookie seen:", cookie, "expected:", n.Cookie, "from", r.RemoteAddr, "agent", r.UserAgent())
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
if n.LastModified != 0 {
|
|
w.Header().Set("Last-Modified", time.Unix(int64(n.LastModified), 0).UTC().Format(http.TimeFormat))
|
|
if r.Header.Get("If-Modified-Since") != "" {
|
|
if t, parseError := time.Parse(http.TimeFormat, r.Header.Get("If-Modified-Since")); parseError == nil {
|
|
if t.Unix() >= int64(n.LastModified) {
|
|
w.WriteHeader(http.StatusNotModified)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if n.NameSize > 0 && filename == "" {
|
|
filename = string(n.Name)
|
|
dotIndex := strings.LastIndex(filename, ".")
|
|
if dotIndex > 0 {
|
|
ext = filename[dotIndex:]
|
|
}
|
|
}
|
|
mtype := ""
|
|
if ext != "" {
|
|
mtype = mime.TypeByExtension(ext)
|
|
}
|
|
if n.MimeSize > 0 {
|
|
mtype = string(n.Mime)
|
|
}
|
|
if mtype != "" {
|
|
w.Header().Set("Content-Type", mtype)
|
|
}
|
|
if filename != "" {
|
|
w.Header().Set("Content-Disposition", "filename="+fileNameEscaper.Replace(filename))
|
|
}
|
|
if ext != ".gz" {
|
|
if n.IsGzipped() {
|
|
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
|
|
w.Header().Set("Content-Encoding", "gzip")
|
|
} else {
|
|
if n.Data, err = storage.UnGzipData(n.Data); err != nil {
|
|
glog.V(0).Infoln("lookup error:", err, r.URL.Path)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
w.Header().Set("Content-Length", strconv.Itoa(len(n.Data)))
|
|
if isGetMethod {
|
|
if _, e = w.Write(n.Data); e != nil {
|
|
glog.V(0).Infoln("response write error:", e)
|
|
}
|
|
}
|
|
}
|
|
func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
|
|
m := make(map[string]interface{})
|
|
if e := r.ParseForm(); e != nil {
|
|
glog.V(0).Infoln("form parse error:", e)
|
|
writeJsonError(w, r, e)
|
|
return
|
|
}
|
|
vid, _, _, _, _ := parseURLPath(r.URL.Path)
|
|
volumeId, ve := storage.NewVolumeId(vid)
|
|
if ve != nil {
|
|
glog.V(0).Infoln("NewVolumeId error:", ve)
|
|
writeJsonError(w, r, ve)
|
|
return
|
|
}
|
|
needle, ne := storage.NewNeedle(r)
|
|
if ne != nil {
|
|
writeJsonError(w, r, ne)
|
|
return
|
|
}
|
|
ret, errorStatus := replication.ReplicatedWrite(vs.masterNode, vs.store, volumeId, needle, r)
|
|
if errorStatus == "" {
|
|
w.WriteHeader(http.StatusCreated)
|
|
} else {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
m["error"] = errorStatus
|
|
}
|
|
m["size"] = ret
|
|
writeJsonQuiet(w, r, m)
|
|
}
|
|
func (vs *VolumeServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
|
|
n := new(storage.Needle)
|
|
vid, fid, _, _, _ := parseURLPath(r.URL.Path)
|
|
volumeId, _ := storage.NewVolumeId(vid)
|
|
n.ParsePath(fid)
|
|
|
|
glog.V(2).Infoln("deleting", n)
|
|
|
|
cookie := n.Cookie
|
|
count, ok := vs.store.Read(volumeId, n)
|
|
|
|
if ok != nil {
|
|
m := make(map[string]uint32)
|
|
m["size"] = 0
|
|
writeJsonQuiet(w, r, m)
|
|
return
|
|
}
|
|
|
|
if n.Cookie != cookie {
|
|
glog.V(0).Infoln("delete with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
|
|
return
|
|
}
|
|
|
|
n.Size = 0
|
|
ret := replication.ReplicatedDelete(vs.masterNode, vs.store, volumeId, n, r)
|
|
|
|
if ret != 0 {
|
|
w.WriteHeader(http.StatusAccepted)
|
|
} else {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
}
|
|
|
|
m := make(map[string]uint32)
|
|
m["size"] = uint32(count)
|
|
writeJsonQuiet(w, r, m)
|
|
}
|