"io/ioutil"
"os"
"path/filepath"
+ "strings"
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
func NewFolderPathMap(gc *xdsconfig.Config) *PathMap {
f := PathMap{
globalConfig: gc,
+ config: FolderConfig{
+ Status: StatusDisable,
+ },
}
return &f
}
+// NewUID Get a UUID
+func (f *PathMap) NewUID(suffix string) string {
+ uuid := uuid.NewV1().String()
+ if len(suffix) > 0 {
+ uuid += "_" + suffix
+ }
+ return uuid
+}
+
// Add a new folder
func (f *PathMap) Add(cfg FolderConfig) (*FolderConfig, error) {
if cfg.DataPathMap.ServerPath == "" {
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
+
+ // Verify file created by XDS agent when needed
+ if cfg.DataPathMap.CheckFile != "" {
+ errMsg := "ServerPath sanity check error (%d): %v"
+ ckFile := f.ConvPathCli2Svr(cfg.DataPathMap.CheckFile)
+ if !common.Exists(ckFile) {
+ return nil, fmt.Errorf(errMsg, 1, "file not present")
+ }
+ if cfg.DataPathMap.CheckContent != "" {
+ fd, err := os.OpenFile(ckFile, os.O_APPEND|os.O_RDWR, 0600)
+ if err != nil {
+ return nil, fmt.Errorf(errMsg, 2, err)
+ }
+ defer fd.Close()
+
+ // Check specific message written by agent
+ content, err := ioutil.ReadAll(fd)
+ if err != nil {
+ return nil, fmt.Errorf(errMsg, 3, err)
+ }
+ if string(content) != cfg.DataPathMap.CheckContent {
+ return nil, fmt.Errorf(errMsg, 4, "file content differ")
+ }
+
+ // Write a specific message that will be check back on agent side
+ msg := "Pathmap checked message written by xds-server ID: " + f.globalConfig.ServerUID + "\n"
+ if n, err := fd.WriteString(msg); n != len(msg) || err != nil {
+ return nil, fmt.Errorf(errMsg, 5, err)
+ }
+ }
+ }
+
f.config.Status = StatusEnable
return &f.config, nil
return f.config
}
-// GetFullPath returns the full path
+// GetFullPath returns the full path of a directory (from server POV)
func (f *PathMap) GetFullPath(dir string) string {
if &dir == nil {
return f.config.DataPathMap.ServerPath
return filepath.Join(f.config.DataPathMap.ServerPath, dir)
}
+// ConvPathCli2Svr Convert path from Client to Server
+func (f *PathMap) ConvPathCli2Svr(s string) string {
+ if f.config.ClientPath != "" && f.config.DataPathMap.ServerPath != "" {
+ return strings.Replace(s,
+ f.config.ClientPath,
+ f.config.DataPathMap.ServerPath,
+ -1)
+ }
+ return s
+}
+
+// ConvPathSvr2Cli Convert path from Server to Client
+func (f *PathMap) ConvPathSvr2Cli(s string) string {
+ if f.config.ClientPath != "" && f.config.DataPathMap.ServerPath != "" {
+ return strings.Replace(s,
+ f.config.DataPathMap.ServerPath,
+ f.config.ClientPath,
+ -1)
+ }
+ return s
+}
+
// Remove a folder
func (f *PathMap) Remove() error {
// nothing to do
return nil
}
+// Update update some fields of a folder
+func (f *PathMap) Update(cfg FolderConfig) (*FolderConfig, error) {
+ if f.config.ID != cfg.ID {
+ return nil, fmt.Errorf("Invalid id")
+ }
+ f.config = cfg
+ return &f.config, 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