fs.go

// Copyright 2016 Danko Miocevic. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Author: Danko Miocevic

package main

import (
	"os"
	"syscall"

	"bazil.org/fuse"
	"bazil.org/fuse/fs"
	"golang.org/x/net/context"
)

// FS struct holds information about the
// entire filesystem.
// It contains the mount point specified by the user.
type FS struct {
	mPoint string
}

var _ = fs.FS(&FS{})

func (f *FS) Root() (fs.Node, error) {
	n := &Dir{
		fs:     f,
		artist: "",
		album:  "",
		mPoint: f.mPoint,
	}
	return n, nil
}

func (f *FS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.StatfsResponse) error {
	var stat syscall.Statfs_t
	wd, err := os.Getwd()
	if err != nil {
		return err
	}
	syscall.Statfs(wd, &stat)

	resp.Blocks = stat.Blocks
	resp.Bfree = stat.Bfree
	resp.Bavail = stat.Bavail
	resp.Bsize = uint32(stat.Bsize)
	return nil
}