integrate setups

datastore/threads/threadproxyds.nim

@@ -91,25 +91,38 @@ template dispatchTask(self: ThreadDatastore,
   except CancelledError as exc:
     trace "Cancelling thread future!", exc = exc.msg
     while not ctx.setCancelled():
+      warn "waiting to cancel thread future!", fn = astToStr(fn), key = $ctx.key
       await sleepAsync(10.milliseconds)
     raise exc
   finally:
     discard ctx.signal.close()
     self.semaphore.release()
 
-proc hasTask[D](ctx: ptr TaskCtx, ds: D) =
+proc runTask[D, T](ctx: ptr TaskCtx, ds: D, cb: proc(ctx: ptr TaskCtx): T {.gcsafe.}) {.gcsafe.} =
-  defer:
-    if not ctx.isNil:
-      discard ctx[].signal.fireSync()
-
   try:
-    let res = has(ds, ctx.key)
     withLock(ctxLock):
+      if ctx.cancelled:
+        return
+      ctx.running = true
+    
+    ## run backend command
+    let res = cb(ctx)
+    # let res = has(ds, ctx.key)
+
+    withLock(ctxLock):
+      ctx.running = false
       ctx.res = res.mapErr() do(e: ref CatchableError) -> ThreadResErr:
         e.toThreadErr()
   except CatchableError as exc:
     trace "Unexpected exception thrown in asyncHasTask", exc = exc.msg
     raiseAssert exc.msg
+  finally:
+    discard ctx[].signal.fireSync()
+
+proc hasTask[D](ctx: ptr TaskCtx, ds: D) {.gcsafe.} =
+  ## run backend command
+  runTask(ctx, ds) do(ctx: ptr TaskCtx) -> ?!bool:
+    has(ds, ctx.key)
 
 method has*(self: ThreadDatastore, key: Key): Future[?!bool] {.async.} =
   var key = KeyId.new key.id()