Don't return immediately when there's nothing to sync
MODIFY
syncapi/sync/requestpool.go
syncapi/sync/requestpool.go
@@ -156,7 +156,7 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *userapi.
currentPos := rp.Notifier.CurrentPosition()
- if !rp.shouldReturnImmediately(syncReq) {
+ if !rp.shouldReturnImmediately(syncReq, currentPos) {
timer := time.NewTimer(syncReq.Timeout) // case of timeout=0 is handled above
defer timer.Stop()
@@ -303,8 +303,8 @@ func (rp *RequestPool) OnIncomingKeyChangeRequest(req *http.Request, device *use
// shouldReturnImmediately returns whether the /sync request is an initial sync,
// or timeout=0, or full_state=true, in any of the cases the request should
// return immediately.
-func (rp *RequestPool) shouldReturnImmediately(syncReq *types.SyncRequest) bool {
- if syncReq.Since.IsEmpty() || syncReq.Timeout == 0 || syncReq.WantFullState {
+func (rp *RequestPool) shouldReturnImmediately(syncReq *types.SyncRequest, currentPos types.StreamingToken) bool {
+ if currentPos.IsAfter(syncReq.Since) || syncReq.Timeout == 0 || syncReq.WantFullState {
return true
}
return false

Don't return immediately when there's nothing to sync