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package weed_server
import (
"errors"
"fmt"
"net/http"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/topology"
)
func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
if e := r.ParseForm(); e != nil {
glog.V(0).Infoln("form parse error:", e)
writeJsonError(w, r, http.StatusBadRequest, 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, http.StatusBadRequest, ve)
return
}
needle, ne := storage.NewNeedle(r, vs.FixJpgOrientation)
if ne != nil {
writeJsonError(w, r, http.StatusBadRequest, ne)
return
}
ret := operation.UploadResult{}
size, errorStatus := topology.ReplicatedWrite(vs.GetMasterNode(),
vs.store, volumeId, needle, r)
httpStatus := http.StatusCreated
if errorStatus != "" {
httpStatus = http.StatusInternalServerError
ret.Error = errorStatus
}
if needle.HasName() {
ret.Name = string(needle.Name)
}
ret.Size = size
writeJsonQuiet(w, r, httpStatus, ret)
}
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
_, ok := vs.store.ReadVolumeNeedle(volumeId, n)
if ok != nil {
m := make(map[string]uint32)
m["size"] = 0
writeJsonQuiet(w, r, http.StatusNotFound, m)
return
}
defer n.ReleaseMemory()
if n.Cookie != cookie {
glog.V(0).Infoln("delete", r.URL.Path, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
writeJsonError(w, r, http.StatusBadRequest, errors.New("File Random Cookie does not match."))
return
}
count := int64(n.Size)
if n.IsChunkedManifest() {
chunkManifest, e := operation.LoadChunkManifest(n.Data, n.IsGzipped())
if e != nil {
writeJsonError(w, r, http.StatusInternalServerError, fmt.Errorf("Load chunks manifest error: %v", e))
return
}
// make sure all chunks had deleted before delete manifest
if e := chunkManifest.DeleteChunks(vs.GetMasterNode()); e != nil {
writeJsonError(w, r, http.StatusInternalServerError, fmt.Errorf("Delete chunks error: %v", e))
return
}
count = chunkManifest.Size
}
_, err := topology.ReplicatedDelete(vs.GetMasterNode(), vs.store, volumeId, n, r)
if err == nil {
m := make(map[string]int64)
m["size"] = count
writeJsonQuiet(w, r, http.StatusAccepted, m)
} else {
writeJsonError(w, r, http.StatusInternalServerError, fmt.Errorf("Deletion Failed: %v", err))
}
}
//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
func (vs *VolumeServer) batchDeleteHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
var ret []operation.DeleteResult
for _, fid := range r.Form["fid"] {
vid, id_cookie, err := operation.ParseFileId(fid)
if err != nil {
ret = append(ret, operation.DeleteResult{
Fid: fid,
Status: http.StatusBadRequest,
Error: err.Error()})
continue
}
n := new(storage.Needle)
volumeId, _ := storage.NewVolumeId(vid)
n.ParsePath(id_cookie)
glog.V(4).Infoln("batch deleting", n)
cookie := n.Cookie
if _, err := vs.store.ReadVolumeNeedle(volumeId, n); err != nil {
ret = append(ret, operation.DeleteResult{
Fid: fid,
Status: http.StatusNotFound,
Error: err.Error(),
})
continue
}
if n.IsChunkedManifest() {
ret = append(ret, operation.DeleteResult{
Fid: fid,
Status: http.StatusNotAcceptable,
Error: "ChunkManifest: not allowed in batch delete mode.",
})
n.ReleaseMemory()
continue
}
if n.Cookie != cookie {
ret = append(ret, operation.DeleteResult{
Fid: fid,
Status: http.StatusBadRequest,
Error: "File Random Cookie does not match.",
})
glog.V(0).Infoln("deleting", fid, "with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
n.ReleaseMemory()
return
}
if size, err := vs.store.Delete(volumeId, n); err != nil {
ret = append(ret, operation.DeleteResult{
Fid: fid,
Status: http.StatusInternalServerError,
Error: err.Error()},
)
} else {
ret = append(ret, operation.DeleteResult{
Fid: fid,
Status: http.StatusAccepted,
Size: int(size)},
)
}
n.ReleaseMemory()
}
writeJsonQuiet(w, r, http.StatusAccepted, ret)
}
|
