def _blocking_send(
self,
req: ray_client_pb2.DataRequest) -> ray_client_pb2.DataResponse:
if self._in_shutdown:
from ray.util import disconnect
disconnect()
raise ConnectionError(
"Request can't be sent because the data channel is "
"terminated. This is likely because the data channel "
"disconnected at some point before this request was "
"prepared. Ray Client has been disconnected.")
req_id = self._next_id()
req.req_id = req_id
self.request_queue.put(req)
data = None
with self.cv:
self.cv.wait_for(
lambda: req_id in self.ready_data or self._in_shutdown)
if self._in_shutdown:
from ray.util import disconnect
disconnect()
raise ConnectionError(
"Sending request failed because the data channel "
"terminated. This is usually due to an error "
f"in handling the most recent request: {req}. Ray Client "
"has been disconnected.")
data = self.ready_data[req_id]
del self.ready_data[req_id]
return data
def _async_send(self,
req: ray_client_pb2.DataRequest,
callback: Optional[ResponseCallable] = None) -> None:
req_id = self._next_id()
req.req_id = req_id
if callback:
self.asyncio_waiting_data[req_id] = callback
self.request_queue.put(req)
def _async_send(self,
req: ray_client_pb2.DataRequest,
callback: Optional[ResponseCallable] = None) -> None:
with self.lock:
self._check_shutdown()
req_id = self._next_id()
req.req_id = req_id
self.asyncio_waiting_data[req_id] = callback
self.outstanding_requests[req_id] = req
self.request_queue.put(req)
def _blocking_send(self, req: ray_client_pb2.DataRequest
) -> ray_client_pb2.DataResponse:
req_id = self._next_id()
req.req_id = req_id
self.request_queue.put(req)
data = None
with self.cv:
self.cv.wait_for(lambda: req_id in self.ready_data)
data = self.ready_data[req_id]
del self.ready_data[req_id]
return data
def _should_cache(req: ray_client_pb2.DataRequest) -> bool:
"""
Returns True if the response should to the given request should be cached,
false otherwise. At the moment the only requests we do not cache are:
- asynchronous gets: These arrive out of order. Skipping caching here
is fine, since repeating an async get is idempotent
- acks: Repeating acks is idempotent
- clean up requests: Also idempotent, and client has likely already
wrapped up the data connection by this point.
"""
req_type = req.WhichOneof("type")
if req_type == "get" and req.get.asynchronous:
return False
return req_type not in ("acknowledge", "connection_cleanup")
def _blocking_send(
self,
req: ray_client_pb2.DataRequest) -> ray_client_pb2.DataResponse:
req_id = self._next_id()
req.req_id = req_id
self.request_queue.put(req)
data = None
with self.cv:
self.cv.wait_for(
lambda: req_id in self.ready_data or self._in_shutdown)
if self._in_shutdown:
raise ConnectionError(
f"cannot send request {req}: data channel shutting down")
data = self.ready_data[req_id]
del self.ready_data[req_id]
return data
def _async_send(self,
req: ray_client_pb2.DataRequest,
callback: Optional[ResponseCallable] = None) -> None:
if self._in_shutdown:
from ray.util import disconnect
disconnect()
raise ConnectionError(
"Request can't be sent because the data channel is "
"terminated. This is likely because the data channel "
"disconnected at some point before this request was "
"prepared. Ray Client has been disconnected.")
req_id = self._next_id()
req.req_id = req_id
if callback:
self.asyncio_waiting_data[req_id] = callback
self.request_queue.put(req)
def _blocking_send(self, req: ray_client_pb2.DataRequest
) -> ray_client_pb2.DataResponse:
req_id = self._next_id()
req.req_id = req_id
self.request_queue.put(req)
data = None
with self.cv:
self.cv.wait_for(
lambda: req_id in self.ready_data or self._in_shutdown)
if self._in_shutdown:
raise ConnectionError(
"Sending request failed because the data channel "
"terminated. This is usually due to an error "
f"in handling the most recent request: {req}")
data = self.ready_data[req_id]
del self.ready_data[req_id]
return data
def _blocking_send(
self, req: ray_client_pb2.DataRequest
) -> ray_client_pb2.DataResponse:
with self.lock:
self._check_shutdown()
req_id = self._next_id()
req.req_id = req_id
self.request_queue.put(req)
self.outstanding_requests[req_id] = req
self.cv.wait_for(lambda: req_id in self.ready_data or self._in_shutdown)
self._check_shutdown()
data = self.ready_data[req_id]
del self.ready_data[req_id]
del self.outstanding_requests[req_id]
self._acknowledge(req_id)
return data
def prepare_runtime_init_req(
init_request: ray_client_pb2.DataRequest
) -> Tuple[ray_client_pb2.DataRequest, JobConfig]:
"""
Extract JobConfig and possibly mutate InitRequest before it is passed to
the specific RayClient Server.
"""
init_type = init_request.WhichOneof("type")
assert init_type == "init", ("Received initial message of type "
f"{init_type}, not 'init'.")
req = init_request.init
job_config = JobConfig()
if req.job_config:
job_config = pickle.loads(req.job_config)
new_job_config = ray_client_server_env_prep(job_config)
modified_init_req = ray_client_pb2.InitRequest(
job_config=pickle.dumps(new_job_config))
init_request.init.CopyFrom(modified_init_req)
return (init_request, new_job_config)
def _should_cache(req: ray_client_pb2.DataRequest) -> bool:
"""
Returns True if the response should to the given request should be cached,
false otherwise. At the moment the only requests we do not cache are:
- asynchronous gets: These arrive out of order. Skipping caching here
is fine, since repeating an async get is idempotent
- acks: Repeating acks is idempotent
- clean up requests: Also idempotent, and client has likely already
wrapped up the data connection by this point.
- puts: We should only cache when we receive the final chunk, since
any earlier chunks won't generate a response
- tasks: We should only cache when we receive the final chunk,
since any earlier chunks won't generate a response
"""
req_type = req.WhichOneof("type")
if req_type == "get" and req.get.asynchronous:
return False
if req_type == "put":
return req.put.chunk_id == req.put.total_chunks - 1
if req_type == "task":
return req.task.chunk_id == req.task.total_chunks - 1
return req_type not in ("acknowledge", "connection_cleanup")
def _async_send(self, req: ray_client_pb2.DataRequest) -> None:
req_id = self._next_id()
req.req_id = req_id
self.request_queue.put(req)