forked from oniony/TMSU
/
mtable.go
68 lines (52 loc) · 1.62 KB
/
mtable.go
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// Copyright 2011-2018 Paul Ruane.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// +build !windows
package vfs
import (
"bufio"
"fmt"
"github.com/oniony/TMSU/common/path"
"io"
"os"
"path/filepath"
"strings"
)
type Mount struct {
DatabasePath string
MountPath string
}
func GetMountTable() ([]Mount, error) {
mountTable := make([]Mount, 0, 10)
file, err := os.Open("/proc/mounts")
if err != nil {
return nil, fmt.Errorf("could not open system mount table")
}
defer file.Close()
reader := bufio.NewReader(file)
for line, err := reader.ReadString('\n'); err != io.EOF; line, err = reader.ReadString('\n') {
if err != nil {
return nil, err
}
parts := strings.Split(line, " ")
if parts[0] != "pathfs.pathInode" {
continue
}
mountpoint := path.UnescapeOctal(parts[1])
databaseSymlink := filepath.Join(mountpoint, ".database")
databasePath, err := os.Readlink(databaseSymlink)
if err != nil {
return nil, err
}
mountTable = append(mountTable, Mount{databasePath, mountpoint})
}
return mountTable, nil
}