You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
165 lines
4.9 KiB
165 lines
4.9 KiB
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/rpc"
|
|
"net/url"
|
|
"os"
|
|
"path"
|
|
"strconv"
|
|
|
|
router "github.com/gorilla/mux"
|
|
"github.com/minio/minio/pkg/probe"
|
|
"github.com/minio/minio/pkg/safe"
|
|
)
|
|
|
|
// Storage server implements rpc primitives to facilitate exporting a
|
|
// disk over a network.
|
|
type storageServer struct {
|
|
storage StorageAPI
|
|
}
|
|
|
|
/// Volume operations handlers
|
|
|
|
// MakeVolHandler - make vol handler is rpc wrapper for MakeVol operation.
|
|
func (s *storageServer) MakeVolHandler(arg *string, reply *GenericReply) error {
|
|
return s.storage.MakeVol(*arg)
|
|
}
|
|
|
|
// ListVolsHandler - list vols handler is rpc wrapper for ListVols operation.
|
|
func (s *storageServer) ListVolsHandler(arg *string, reply *ListVolsReply) error {
|
|
vols, err := s.storage.ListVols()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
reply.Vols = vols
|
|
return nil
|
|
}
|
|
|
|
// StatVolHandler - stat vol handler is a rpc wrapper for StatVol operation.
|
|
func (s *storageServer) StatVolHandler(arg *string, reply *VolInfo) error {
|
|
volInfo, err := s.storage.StatVol(*arg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
*reply = volInfo
|
|
return nil
|
|
}
|
|
|
|
// DeleteVolHandler - delete vol handler is a rpc wrapper for
|
|
// DeleteVol operation.
|
|
func (s *storageServer) DeleteVolHandler(arg *string, reply *GenericReply) error {
|
|
return s.storage.DeleteVol(*arg)
|
|
}
|
|
|
|
/// File operations
|
|
|
|
// ListFilesHandler - list files handler.
|
|
func (s *storageServer) ListFilesHandler(arg *ListFilesArgs, reply *ListFilesReply) error {
|
|
files, eof, err := s.storage.ListFiles(arg.Vol, arg.Prefix, arg.Marker, arg.Recursive, arg.Count)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
reply.Files = files
|
|
reply.EOF = eof
|
|
return nil
|
|
}
|
|
|
|
// ReadFileHandler - read file handler is a wrapper to provide
|
|
// destination URL for reading files.
|
|
func (s *storageServer) ReadFileHandler(arg *ReadFileArgs, reply *ReadFileReply) error {
|
|
endpoint := "http://localhost:9000/minio/rpc/storage" // TODO fix this.
|
|
newURL, err := url.Parse(fmt.Sprintf("%s/%s", endpoint, path.Join(arg.Vol, arg.Path)))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
q := newURL.Query()
|
|
q.Set("offset", fmt.Sprintf("%d", arg.Offset))
|
|
newURL.RawQuery = q.Encode()
|
|
reply.URL = newURL.String()
|
|
return nil
|
|
}
|
|
|
|
// CreateFileHandler - create file handler is rpc wrapper to create file.
|
|
func (s *storageServer) CreateFileHandler(arg *CreateFileArgs, reply *CreateFileReply) error {
|
|
endpoint := "http://localhost:9000/minio/rpc/storage" // TODO fix this.
|
|
newURL, err := url.Parse(fmt.Sprintf("%s/%s", endpoint, path.Join(arg.Vol, arg.Path)))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
reply.URL = newURL.String()
|
|
return nil
|
|
}
|
|
|
|
// StatFileHandler - stat file handler is rpc wrapper to stat file.
|
|
func (s *storageServer) StatFileHandler(arg *StatFileArgs, reply *FileInfo) error {
|
|
fileInfo, err := s.storage.StatFile(arg.Vol, arg.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
*reply = fileInfo
|
|
return nil
|
|
}
|
|
|
|
// DeleteFileHandler - delete file handler is rpc wrapper to delete file.
|
|
func (s *storageServer) DeleteFileHandler(arg *DeleteFileArgs, reply *GenericReply) error {
|
|
return s.storage.DeleteFile(arg.Vol, arg.Path)
|
|
}
|
|
|
|
// StreamUpload - stream upload handler.
|
|
func (s *storageServer) StreamUploadHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := router.Vars(r)
|
|
volume := vars["volume"]
|
|
path := vars["path"]
|
|
writeCloser, err := s.storage.CreateFile(volume, path)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
reader := r.Body
|
|
if _, err = io.Copy(writeCloser, reader); err != nil {
|
|
writeCloser.(*safe.File).CloseAndRemove()
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
writeCloser.Close()
|
|
}
|
|
|
|
// StreamDownloadHandler - stream download handler.
|
|
func (s *storageServer) StreamDownloadHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := router.Vars(r)
|
|
volume := vars["volume"]
|
|
path := vars["path"]
|
|
offset, err := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), http.StatusBadRequest)
|
|
return
|
|
}
|
|
readCloser, err := s.storage.ReadFile(volume, path, offset)
|
|
if err != nil {
|
|
httpErr := http.StatusBadRequest
|
|
if os.IsNotExist(err) {
|
|
httpErr = http.StatusNotFound
|
|
}
|
|
http.Error(w, err.Error(), httpErr)
|
|
return
|
|
}
|
|
io.Copy(w, readCloser)
|
|
}
|
|
|
|
func registerStorageServer(mux *router.Router, diskPath string) {
|
|
// Minio storage routes.
|
|
fs, e := newFS(diskPath)
|
|
fatalIf(probe.NewError(e), "Unable to initialize storage disk.", nil)
|
|
storageRPCServer := rpc.NewServer()
|
|
stServer := &storageServer{
|
|
storage: fs,
|
|
}
|
|
storageRPCServer.RegisterName("Storage", stServer)
|
|
storageRouter := mux.NewRoute().PathPrefix(reservedBucket).Subrouter()
|
|
storageRouter.Path("/rpc/storage").Handler(storageRPCServer)
|
|
storageRouter.Methods("POST").Path("/rpc/storage/upload/{volume}/{path:.+}").HandlerFunc(stServer.StreamUploadHandler)
|
|
storageRouter.Methods("GET").Path("/rpc/storage/download/{volume}/{path:.+}").Queries("offset", "").HandlerFunc(stServer.StreamDownloadHandler)
|
|
}
|
|
|