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Streaming bitrot verification support (#7004)

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This commit is contained in:
Krishna Srinivas
2019-01-17 04:58:18 -08:00
committed by Harshavardhana
parent 94c52e3816
commit 98c950aacd
29 changed files with 882 additions and 571 deletions
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cmd/storage-rest-server.go
+55 -28
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@@ -133,27 +133,7 @@ func (s *storageRESTServer) DeleteVolHandler(w http.ResponseWriter, r *http.Requ
}
}
// PrepareFileHandler - fallocate() space for a file.
func (s *storageRESTServer) PrepareFileHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
return
}
vars := mux.Vars(r)
volume := vars[storageRESTVolume]
filePath := vars[storageRESTFilePath]
fileSizeStr := vars[storageRESTLength]
fileSize, err := strconv.Atoi(fileSizeStr)
if err != nil {
s.writeErrorResponse(w, err)
return
}
err = s.storage.PrepareFile(volume, filePath, int64(fileSize))
if err != nil {
s.writeErrorResponse(w, err)
}
}
// AppendFileHandler - append to a file.
// AppendFileHandler - append data from the request to the file specified.
func (s *storageRESTServer) AppendFileHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
return
@@ -162,11 +142,6 @@ func (s *storageRESTServer) AppendFileHandler(w http.ResponseWriter, r *http.Req
volume := vars[storageRESTVolume]
filePath := vars[storageRESTFilePath]
if r.ContentLength < 0 {
s.writeErrorResponse(w, errInvalidArgument)
return
}
buf := make([]byte, r.ContentLength)
_, err := io.ReadFull(r.Body, buf)
if err != nil {
@@ -179,6 +154,27 @@ func (s *storageRESTServer) AppendFileHandler(w http.ResponseWriter, r *http.Req
}
}
// CreateFileHandler - fallocate() space for a file and copy the contents from the request.
func (s *storageRESTServer) CreateFileHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
return
}
vars := mux.Vars(r)
volume := vars[storageRESTVolume]
filePath := vars[storageRESTFilePath]
fileSizeStr := vars[storageRESTLength]
fileSize, err := strconv.Atoi(fileSizeStr)
if err != nil {
s.writeErrorResponse(w, err)
return
}
err = s.storage.CreateFile(volume, filePath, int64(fileSize), r.Body)
if err != nil {
s.writeErrorResponse(w, err)
}
}
// WriteAllHandler - write to file all content.
func (s *storageRESTServer) WriteAllHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
@@ -285,6 +281,34 @@ func (s *storageRESTServer) ReadFileHandler(w http.ResponseWriter, r *http.Reque
w.Write(buf)
}
// ReadFileHandler - read section of a file.
func (s *storageRESTServer) ReadFileStreamHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
return
}
vars := mux.Vars(r)
volume := vars[storageRESTVolume]
filePath := vars[storageRESTFilePath]
offset, err := strconv.Atoi(vars[storageRESTOffset])
if err != nil {
s.writeErrorResponse(w, err)
return
}
length, err := strconv.Atoi(vars[storageRESTLength])
if err != nil {
s.writeErrorResponse(w, err)
return
}
rc, err := s.storage.ReadFileStream(volume, filePath, int64(offset), int64(length))
if err != nil {
s.writeErrorResponse(w, err)
return
}
defer rc.Close()
w.Header().Set("Content-Length", strconv.Itoa(length))
io.Copy(w, rc)
}
// ListDirHandler - list a directory.
func (s *storageRESTServer) ListDirHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
@@ -359,18 +383,21 @@ func registerStorageRESTHandlers(router *mux.Router, endpoints EndpointList) {
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteVol).HandlerFunc(httpTraceHdrs(server.DeleteVolHandler)).Queries(restQueries(storageRESTVolume)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodListVols).HandlerFunc(httpTraceHdrs(server.ListVolsHandler))
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodPrepareFile).HandlerFunc(httpTraceHdrs(server.PrepareFileHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTLength)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodAppendFile).HandlerFunc(httpTraceHdrs(server.AppendFileHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodWriteAll).HandlerFunc(httpTraceHdrs(server.WriteAllHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodCreateFile).HandlerFunc(httpTraceHdrs(server.CreateFileHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTLength)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodStatFile).HandlerFunc(httpTraceHdrs(server.StatFileHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadAll).HandlerFunc(httpTraceHdrs(server.ReadAllHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadFile).HandlerFunc(httpTraceHdrs(server.ReadFileHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength, storageRESTBitrotAlgo, storageRESTBitrotHash)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadFileStream).HandlerFunc(httpTraceHdrs(server.ReadFileStreamHandler)).
Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodListDir).HandlerFunc(httpTraceHdrs(server.ListDirHandler)).
Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTCount)...)
subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteFile).HandlerFunc(httpTraceHdrs(server.DeleteFileHandler)).