WIP

Signed-off-by: Qing Wang <kingchin1218@gmail.com>

fed/config.py

@@ -1,3 +1,16 @@
+# Copyright 2023 The RayFed Team
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 
 """This module should be cached locally due to all configurations
@@ -115,6 +128,8 @@ class CrossSiloMessageConfig:
     # (Optional) The address this party is going to listen on.
     # If not provided, the `address` will be used.
     listening_address: str = None
+    external_config: dict = None
+
 
     def __json__(self):
         return json.dumps(self.__dict__)

fed/extenal/grpc_config.py

@@ -0,0 +1,44 @@
+
+
+
+"""This module should be cached locally due to all configurations
+   are mutable.
+"""
+
+import fed._private.compatible_utils as compatible_utils
+import fed._private.constants as fed_constants
+import cloudpickle
+import json
+
+from typing import Dict, List, Optional
+from dataclasses import dataclass
+
+
+@dataclass
+class GrpcCrossSiloMessageConfig:
+    """A class to store parameters used for GRPC communication
+
+    Attributes:
+        grpc_retry_policy: a dict descibes the retry policy for
+            cross silo rpc call. If None, the following default retry policy
+            will be used. More details please refer to
+            `retry-policy <https://github.com/grpc/proposal/blob/master/A6-client-retries.md#retry-policy>`_. # noqa
+
+            .. code:: python
+                {
+                    "maxAttempts": 4,
+                    "initialBackoff": "0.1s",
+                    "maxBackoff": "1s",
+                    "backoffMultiplier": 2,
+                    "retryableStatusCodes": [
+                        "UNAVAILABLE"
+                    ]
+                }
+        grpc_channel_options: A list of tuples to store GRPC channel options,
+            e.g. [
+                    ('grpc.enable_retries', 1),
+                    ('grpc.max_send_message_length', 50 * 1024 * 1024)
+                ]
+    """
+    grpc_channel_options: List = None
+    grpc_retry_policy: Dict[str, str] = None