mirror of https://github.com/minio/minio.git
125 lines
3.6 KiB
Go
125 lines
3.6 KiB
Go
package cmd
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import (
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"net/rpc"
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router "github.com/gorilla/mux"
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)
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// Storage server implements rpc primitives to facilitate exporting a
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// disk over a network.
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type storageServer struct {
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storage StorageAPI
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}
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/// Volume operations handlers
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// MakeVolHandler - make vol handler is rpc wrapper for MakeVol operation.
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func (s *storageServer) MakeVolHandler(arg *string, reply *GenericReply) error {
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return s.storage.MakeVol(*arg)
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}
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// ListVolsHandler - list vols handler is rpc wrapper for ListVols operation.
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func (s *storageServer) ListVolsHandler(arg *string, reply *ListVolsReply) error {
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vols, err := s.storage.ListVols()
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if err != nil {
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return err
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}
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reply.Vols = vols
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return nil
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}
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// StatVolHandler - stat vol handler is a rpc wrapper for StatVol operation.
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func (s *storageServer) StatVolHandler(arg *string, reply *VolInfo) error {
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volInfo, err := s.storage.StatVol(*arg)
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if err != nil {
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return err
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}
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*reply = volInfo
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return nil
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}
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// DeleteVolHandler - delete vol handler is a rpc wrapper for
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// DeleteVol operation.
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func (s *storageServer) DeleteVolHandler(arg *string, reply *GenericReply) error {
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return s.storage.DeleteVol(*arg)
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}
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/// File operations
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// StatFileHandler - stat file handler is rpc wrapper to stat file.
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func (s *storageServer) StatFileHandler(arg *StatFileArgs, reply *FileInfo) error {
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fileInfo, err := s.storage.StatFile(arg.Vol, arg.Path)
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if err != nil {
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return err
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}
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*reply = fileInfo
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return nil
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}
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// ListDirHandler - list directory handler is rpc wrapper to list dir.
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func (s *storageServer) ListDirHandler(arg *ListDirArgs, reply *[]string) error {
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entries, err := s.storage.ListDir(arg.Vol, arg.Path)
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if err != nil {
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return err
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}
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*reply = entries
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return nil
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}
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// ReadAllHandler - read all handler is rpc wrapper to read all storage API.
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func (s *storageServer) ReadAllHandler(arg *ReadFileArgs, reply *[]byte) error {
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buf, err := s.storage.ReadAll(arg.Vol, arg.Path)
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if err != nil {
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return err
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}
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reply = &buf
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return nil
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}
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// ReadFileHandler - read file handler is rpc wrapper to read file.
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func (s *storageServer) ReadFileHandler(arg *ReadFileArgs, reply *int64) error {
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n, err := s.storage.ReadFile(arg.Vol, arg.Path, arg.Offset, arg.Buffer)
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if err != nil {
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return err
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}
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reply = &n
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return nil
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}
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// AppendFileHandler - append file handler is rpc wrapper to append file.
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func (s *storageServer) AppendFileHandler(arg *AppendFileArgs, reply *GenericReply) error {
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return s.storage.AppendFile(arg.Vol, arg.Path, arg.Buffer)
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}
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// DeleteFileHandler - delete file handler is rpc wrapper to delete file.
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func (s *storageServer) DeleteFileHandler(arg *DeleteFileArgs, reply *GenericReply) error {
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return s.storage.DeleteFile(arg.Vol, arg.Path)
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}
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// RenameFileHandler - rename file handler is rpc wrapper to rename file.
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func (s *storageServer) RenameFileHandler(arg *RenameFileArgs, reply *GenericReply) error {
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return s.storage.RenameFile(arg.SrcVol, arg.SrcPath, arg.DstVol, arg.DstPath)
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}
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// Initialize new storage rpc.
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func newRPCServer(exportPath string) (*storageServer, error) {
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// Initialize posix storage API.
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storage, err := newPosix(exportPath)
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if err != nil && err != errDiskNotFound {
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return nil, err
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}
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return &storageServer{
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storage: storage,
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}, nil
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}
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// registerStorageRPCRouter - register storage rpc router.
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func registerStorageRPCRouter(mux *router.Router, stServer *storageServer) {
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storageRPCServer := rpc.NewServer()
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storageRPCServer.RegisterName("Storage", stServer)
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storageRouter := mux.NewRoute().PathPrefix(reservedBucket).Subrouter()
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// Add minio storage routes.
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storageRouter.Path("/storage").Handler(storageRPCServer)
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}
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