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authorSebastien Douheret <sebastien.douheret@iot.bzh>2017-11-29 08:54:00 +0100
committerSebastien Douheret <sebastien.douheret@iot.bzh>2017-11-29 11:10:30 +0100
commit2f7828d01f4c4ca2909f95f098627cd5475ed225 (patch)
treeb5e71920b813b95cae3e32044be08b99223348ec /lib/xdsserver/folder-st.go
parent5caebfb4b7c3b73988f067082b219ce5b7f409ba (diff)
Refit source files to have a public xs-apiv1 lib package.
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
Diffstat (limited to 'lib/xdsserver/folder-st.go')
-rw-r--r--lib/xdsserver/folder-st.go213
1 files changed, 213 insertions, 0 deletions
diff --git a/lib/xdsserver/folder-st.go b/lib/xdsserver/folder-st.go
new file mode 100644
index 0000000..04bbf76
--- /dev/null
+++ b/lib/xdsserver/folder-st.go
@@ -0,0 +1,213 @@
+package xdsserver
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "strings"
+
+ "github.com/iotbzh/xds-server/lib/xsapiv1"
+ st "github.com/iotbzh/xds-server/lib/syncthing"
+ uuid "github.com/satori/go.uuid"
+ "github.com/syncthing/syncthing/lib/config"
+)
+
+// IFOLDER interface implementation for syncthing
+
+// STFolder .
+type STFolder struct {
+ *Context
+ st *st.SyncThing
+ fConfig xsapiv1.FolderConfig
+ stfConfig config.FolderConfiguration
+ eventIDs []int
+ eventChangeCB *FolderEventCB
+ eventChangeCBData *FolderEventCBData
+}
+
+// NewFolderST Create a new instance of STFolder
+func NewFolderST(ctx *Context, sthg *st.SyncThing) *STFolder {
+ return &STFolder{
+ Context: ctx,
+ st: sthg,
+ }
+}
+
+// NewUID Get a UUID
+func (f *STFolder) NewUID(suffix string) string {
+ i := len(f.st.MyID)
+ if i > 15 {
+ i = 15
+ }
+ uuid := uuid.NewV1().String()[:14] + f.st.MyID[:i]
+ if len(suffix) > 0 {
+ uuid += "_" + suffix
+ }
+ return uuid
+}
+
+// Add a new folder
+func (f *STFolder) Add(cfg xsapiv1.FolderConfig) (*xsapiv1.FolderConfig, error) {
+
+ // Sanity check
+ if cfg.DataCloudSync.SyncThingID == "" {
+ return nil, fmt.Errorf("device id not set (SyncThingID field)")
+ }
+
+ // rootPath should not be empty
+ if cfg.RootPath == "" {
+ cfg.RootPath = f.Config.FileConf.ShareRootDir
+ }
+
+ f.fConfig = cfg
+
+ // Update Syncthing folder
+ // (except if status is ErrorConfig)
+ // TODO: add cache to avoid multiple requests on startup
+ if f.fConfig.Status != xsapiv1.StatusErrorConfig {
+ id, err := f.st.FolderChange(f.fConfig)
+ if err != nil {
+ return nil, err
+ }
+
+ f.stfConfig, err = f.st.FolderConfigGet(id)
+ if err != nil {
+ f.fConfig.Status = xsapiv1.StatusErrorConfig
+ return nil, err
+ }
+
+ // Register to events to update folder status
+ for _, evName := range []string{st.EventStateChanged, st.EventFolderPaused} {
+ evID, err := f.st.Events.Register(evName, f.cbEventState, id, nil)
+ if err != nil {
+ return nil, err
+ }
+ f.eventIDs = append(f.eventIDs, evID)
+ }
+
+ f.fConfig.IsInSync = false // will be updated later by events
+ f.fConfig.Status = xsapiv1.StatusEnable
+ }
+
+ return &f.fConfig, nil
+}
+
+// GetConfig Get public part of folder config
+func (f *STFolder) GetConfig() xsapiv1.FolderConfig {
+ return f.fConfig
+}
+
+// GetFullPath returns the full path of a directory (from server POV)
+func (f *STFolder) GetFullPath(dir string) string {
+ if &dir == nil {
+ dir = ""
+ }
+ if filepath.IsAbs(dir) {
+ return filepath.Join(f.fConfig.RootPath, dir)
+ }
+ return filepath.Join(f.fConfig.RootPath, f.fConfig.ClientPath, dir)
+}
+
+// ConvPathCli2Svr Convert path from Client to Server
+func (f *STFolder) ConvPathCli2Svr(s string) string {
+ if f.fConfig.ClientPath != "" && f.fConfig.RootPath != "" {
+ return strings.Replace(s,
+ f.fConfig.ClientPath,
+ f.fConfig.RootPath+"/"+f.fConfig.ClientPath,
+ -1)
+ }
+ return s
+}
+
+// ConvPathSvr2Cli Convert path from Server to Client
+func (f *STFolder) ConvPathSvr2Cli(s string) string {
+ if f.fConfig.ClientPath != "" && f.fConfig.RootPath != "" {
+ return strings.Replace(s,
+ f.fConfig.RootPath+"/"+f.fConfig.ClientPath,
+ f.fConfig.ClientPath,
+ -1)
+ }
+ return s
+}
+
+// Remove a folder
+func (f *STFolder) Remove() error {
+ err := f.st.FolderDelete(f.stfConfig.ID)
+
+ // Delete folder on server side
+ err2 := os.RemoveAll(f.GetFullPath(""))
+
+ if err != nil {
+ return err
+ }
+ return err2
+}
+
+// Update update some fields of a folder
+func (f *STFolder) Update(cfg xsapiv1.FolderConfig) (*xsapiv1.FolderConfig, error) {
+ if f.fConfig.ID != cfg.ID {
+ return nil, fmt.Errorf("Invalid id")
+ }
+ f.fConfig = cfg
+ return &f.fConfig, nil
+}
+
+// RegisterEventChange requests registration for folder event change
+func (f *STFolder) RegisterEventChange(cb *FolderEventCB, data *FolderEventCBData) error {
+ f.eventChangeCB = cb
+ f.eventChangeCBData = data
+ return nil
+}
+
+// UnRegisterEventChange remove registered callback
+func (f *STFolder) UnRegisterEventChange() error {
+ f.eventChangeCB = nil
+ f.eventChangeCBData = nil
+ return nil
+}
+
+// Sync Force folder files synchronization
+func (f *STFolder) Sync() error {
+ return f.st.FolderScan(f.stfConfig.ID, "")
+}
+
+// IsInSync Check if folder files are in-sync
+func (f *STFolder) IsInSync() (bool, error) {
+ sts, err := f.st.IsFolderInSync(f.stfConfig.ID)
+ if err != nil {
+ return false, err
+ }
+ f.fConfig.IsInSync = sts
+ return sts, nil
+}
+
+// callback use to update IsInSync status
+func (f *STFolder) cbEventState(ev st.Event, data *st.EventsCBData) {
+ prevSync := f.fConfig.IsInSync
+ prevStatus := f.fConfig.Status
+
+ switch ev.Type {
+
+ case st.EventStateChanged:
+ to := ev.Data["to"]
+ switch to {
+ case "scanning", "syncing":
+ f.fConfig.Status = xsapiv1.StatusSyncing
+ case "idle":
+ f.fConfig.Status = xsapiv1.StatusEnable
+ }
+ f.fConfig.IsInSync = (to == "idle")
+
+ case st.EventFolderPaused:
+ if f.fConfig.Status == xsapiv1.StatusEnable {
+ f.fConfig.Status = xsapiv1.StatusPause
+ }
+ f.fConfig.IsInSync = false
+ }
+
+ if f.eventChangeCB != nil &&
+ (prevSync != f.fConfig.IsInSync || prevStatus != f.fConfig.Status) {
+ cpConf := f.fConfig
+ (*f.eventChangeCB)(&cpConf, f.eventChangeCBData)
+ }
+}