diff options
Diffstat (limited to 'lib/folder/folder-pathmap.go')
-rw-r--r-- | lib/folder/folder-pathmap.go | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/lib/folder/folder-pathmap.go b/lib/folder/folder-pathmap.go new file mode 100644 index 0000000..f73f271 --- /dev/null +++ b/lib/folder/folder-pathmap.go @@ -0,0 +1,115 @@ +package folder + +import ( + "fmt" + "io/ioutil" + "os" + "path/filepath" + + common "github.com/iotbzh/xds-common/golib" + "github.com/iotbzh/xds-server/lib/xdsconfig" + uuid "github.com/satori/go.uuid" +) + +// IFOLDER interface implementation for native/path mapping folders + +// PathMap . +type PathMap struct { + globalConfig *xdsconfig.Config + config FolderConfig +} + +// NewFolderPathMap Create a new instance of PathMap +func NewFolderPathMap(gc *xdsconfig.Config) *PathMap { + f := PathMap{ + globalConfig: gc, + } + return &f +} + +// NewUID Get a UUID +func (f *PathMap) NewUID(suffix string) string { + return uuid.NewV1().String() + "_" + suffix +} + +// Add a new folder +func (f *PathMap) Add(cfg FolderConfig) (*FolderConfig, error) { + if cfg.DataPathMap.ServerPath == "" { + return nil, fmt.Errorf("ServerPath must be set") + } + + // Use shareRootDir if ServerPath is a relative path + dir := cfg.DataPathMap.ServerPath + if !filepath.IsAbs(dir) { + dir = filepath.Join(f.globalConfig.FileConf.ShareRootDir, dir) + } + + // Sanity check + if !common.Exists(dir) { + // try to create if not existing + if err := os.MkdirAll(dir, 0755); err != nil { + return nil, fmt.Errorf("Cannot create ServerPath directory: %s", dir) + } + } + if !common.Exists(dir) { + return nil, fmt.Errorf("ServerPath directory is not accessible: %s", dir) + } + file, err := ioutil.TempFile(dir, "xds_pathmap_check") + if err != nil { + return nil, fmt.Errorf("ServerPath sanity check error: %s", err.Error()) + } + defer os.Remove(file.Name()) + + msg := "sanity check PathMap Add folder" + n, err := file.Write([]byte(msg)) + if err != nil || n != len(msg) { + return nil, fmt.Errorf("ServerPath sanity check error: %s", err.Error()) + } + + f.config = cfg + f.config.RootPath = dir + f.config.DataPathMap.ServerPath = dir + f.config.IsInSync = true + f.config.Status = StatusEnable + + return &f.config, nil +} + +// GetConfig Get public part of folder config +func (f *PathMap) GetConfig() FolderConfig { + return f.config +} + +// GetFullPath returns the full path +func (f *PathMap) GetFullPath(dir string) string { + if &dir == nil { + return f.config.DataPathMap.ServerPath + } + return filepath.Join(f.config.DataPathMap.ServerPath, dir) +} + +// Remove a folder +func (f *PathMap) Remove() error { + // nothing to do + return nil +} + +// RegisterEventChange requests registration for folder change event +func (f *PathMap) RegisterEventChange(cb *EventCB, data *EventCBData) error { + return nil +} + +// UnRegisterEventChange remove registered callback +func (f *PathMap) UnRegisterEventChange() error { + return nil +} + +// Sync Force folder files synchronization +func (f *PathMap) Sync() error { + return nil +} + +// IsInSync Check if folder files are in-sync +func (f *PathMap) IsInSync() (bool, error) { + return true, nil +} |