Make ttl a float

examples/app-pytorch/client_low_level.py

@@ -20,16 +20,16 @@ def hello_world_mod(msg, ctx, call_next) -> Message:
 @app.train()
 def train(msg: Message, ctx: Context):
     print("`train` is not implemented, echoing original message")
-    return msg.create_reply(msg.content, ttl="")
+    return msg.create_reply(msg.content)
 
 
 @app.evaluate()
 def eval(msg: Message, ctx: Context):
     print("`evaluate` is not implemented, echoing original message")
-    return msg.create_reply(msg.content, ttl="")
+    return msg.create_reply(msg.content)
 
 
 @app.query()
 def query(msg: Message, ctx: Context):
     print("`query` is not implemented, echoing original message")
-    return msg.create_reply(msg.content, ttl="")
+    return msg.create_reply(msg.content)

examples/app-pytorch/server_custom.py

@@ -13,6 +13,7 @@
     Message,
     MessageType,
     Metrics,
+    DEFAULT_TTL,
 )
 from flwr.common.recordset_compat import fitins_to_recordset, recordset_to_fitres
 from flwr.server import Driver, History
@@ -89,7 +90,7 @@ def main(driver: Driver, context: Context) -> None:
                 message_type=MessageType.TRAIN,
                 dst_node_id=node_id,
                 group_id=str(server_round),
-                ttl="",
+                ttl=DEFAULT_TTL,
             )
             messages.append(message)
 

examples/app-pytorch/server_low_level.py

@@ -3,7 +3,15 @@
 import time
 
 import flwr as fl
-from flwr.common import Context, NDArrays, Message, MessageType, Metrics, RecordSet
+from flwr.common import (
+    Context,
+    NDArrays,
+    Message,
+    MessageType,
+    Metrics,
+    RecordSet,
+    DEFAULT_TTL,
+)
 from flwr.server import Driver
 
 
@@ -30,7 +38,7 @@ def main(driver: Driver, context: Context) -> None:
                 message_type=MessageType.TRAIN,
                 dst_node_id=node_id,
                 group_id=str(server_round),
-                ttl="",
+                ttl=DEFAULT_TTL,
             )
             messages.append(message)
 

src/proto/flwr/proto/task.proto

@@ -27,7 +27,7 @@ message Task {
   Node consumer = 2;
   string created_at = 3;
   string delivered_at = 4;
-  string ttl = 5;
+  double ttl = 5;
   repeated string ancestry = 6;
   string task_type = 7;
   RecordSet recordset = 8;

src/py/flwr/client/client_app.py

@@ -115,7 +115,7 @@ def train(self) -> Callable[[ClientAppCallable], ClientAppCallable]:
         >>> def train(message: Message, context: Context) -> Message:
         >>>    print("ClientApp training running")
         >>>    # Create and return an echo reply message
-        >>>    return message.create_reply(content=message.content(), ttl="")
+        >>>    return message.create_reply(content=message.content())
         """
 
         def train_decorator(train_fn: ClientAppCallable) -> ClientAppCallable:
@@ -143,7 +143,7 @@ def evaluate(self) -> Callable[[ClientAppCallable], ClientAppCallable]:
         >>> def evaluate(message: Message, context: Context) -> Message:
         >>>    print("ClientApp evaluation running")
         >>>    # Create and return an echo reply message
-        >>>    return message.create_reply(content=message.content(), ttl="")
+        >>>    return message.create_reply(content=message.content())
         """
 
         def evaluate_decorator(evaluate_fn: ClientAppCallable) -> ClientAppCallable:
@@ -171,7 +171,7 @@ def query(self) -> Callable[[ClientAppCallable], ClientAppCallable]:
         >>> def query(message: Message, context: Context) -> Message:
         >>>    print("ClientApp query running")
         >>>    # Create and return an echo reply message
-        >>>    return message.create_reply(content=message.content(), ttl="")
+        >>>    return message.create_reply(content=message.content())
         """
 
         def query_decorator(query_fn: ClientAppCallable) -> ClientAppCallable:
@@ -218,7 +218,7 @@ def _registration_error(fn_name: str) -> ValueError:
         >>>    print("ClientApp {fn_name} running")
         >>>    # Create and return an echo reply message
         >>>    return message.create_reply(
-        >>>        content=message.content(), ttl=""
+        >>>        content=message.content()
         >>>    )
         """,
     )

src/py/flwr/client/grpc_client/connection.py

@@ -23,6 +23,7 @@
 from typing import Callable, Iterator, Optional, Tuple, Union, cast
 
 from flwr.common import (
+    DEFAULT_TTL,
     GRPC_MAX_MESSAGE_LENGTH,
     ConfigsRecord,
     Message,
@@ -180,7 +181,7 @@ def receive() -> Message:
                 dst_node_id=0,
                 reply_to_message="",
                 group_id="",
-                ttl="",
+                ttl=DEFAULT_TTL,
                 message_type=message_type,
             ),
             content=recordset,

src/py/flwr/client/grpc_client/connection_test.py

@@ -23,7 +23,7 @@
 
 import grpc
 
-from flwr.common import ConfigsRecord, Message, Metadata, RecordSet
+from flwr.common import DEFAULT_TTL, ConfigsRecord, Message, Metadata, RecordSet
 from flwr.common import recordset_compat as compat
 from flwr.common.constant import MessageTypeLegacy
 from flwr.common.retry_invoker import RetryInvoker, exponential
@@ -50,7 +50,7 @@
         dst_node_id=0,
         reply_to_message="",
         group_id="",
-        ttl="",
+        ttl=DEFAULT_TTL,
         message_type=MessageTypeLegacy.GET_PROPERTIES,
     ),
     content=compat.getpropertiesres_to_recordset(
@@ -65,7 +65,7 @@
         dst_node_id=0,
         reply_to_message="",
         group_id="",
-        ttl="",
+        ttl=DEFAULT_TTL,
         message_type="reconnect",
     ),
     content=RecordSet(configs_records={"config": ConfigsRecord({"reason": 0})}),

src/py/flwr/client/message_handler/message_handler.py

@@ -81,7 +81,7 @@ def handle_control_message(message: Message) -> Tuple[Optional[Message], int]:
         reason = cast(int, disconnect_msg.disconnect_res.reason)
         recordset = RecordSet()
         recordset.configs_records["config"] = ConfigsRecord({"reason": reason})
-        out_message = message.create_reply(recordset, ttl="")
+        out_message = message.create_reply(recordset)
         # Return TaskRes and sleep duration
         return out_message, sleep_duration
 
@@ -143,7 +143,7 @@ def handle_legacy_message_from_msgtype(
         raise ValueError(f"Invalid message type: {message_type}")
 
     # Return Message
-    return message.create_reply(out_recordset, ttl="")
+    return message.create_reply(out_recordset)
 
 
 def _reconnect(

src/py/flwr/client/message_handler/message_handler_test.py

@@ -23,6 +23,7 @@
 from flwr.client import Client
 from flwr.client.typing import ClientFn
 from flwr.common import (
+    DEFAULT_TTL,
     Code,
     Context,
     EvaluateIns,
@@ -131,7 +132,7 @@ def test_client_without_get_properties() -> None:
             src_node_id=0,
             dst_node_id=1123,
             reply_to_message="",
-            ttl="",
+            ttl=DEFAULT_TTL,
             message_type=MessageTypeLegacy.GET_PROPERTIES,
         ),
         content=recordset,
@@ -161,7 +162,7 @@ def test_client_without_get_properties() -> None:
             src_node_id=1123,
             dst_node_id=0,
             reply_to_message=message.metadata.message_id,
-            ttl="",
+            ttl=DEFAULT_TTL,
             message_type=MessageTypeLegacy.GET_PROPERTIES,
         ),
         content=expected_rs,
@@ -184,7 +185,7 @@ def test_client_with_get_properties() -> None:
             src_node_id=0,
             dst_node_id=1123,
             reply_to_message="",
-            ttl="",
+            ttl=DEFAULT_TTL,
             message_type=MessageTypeLegacy.GET_PROPERTIES,
         ),
         content=recordset,
@@ -214,7 +215,7 @@ def test_client_with_get_properties() -> None:
             src_node_id=1123,
             dst_node_id=0,
             reply_to_message=message.metadata.message_id,
-            ttl="",
+            ttl=DEFAULT_TTL,
             message_type=MessageTypeLegacy.GET_PROPERTIES,
         ),
         content=expected_rs,
@@ -237,7 +238,7 @@ def setUp(self) -> None:
             dst_node_id=20,
             reply_to_message="",
             group_id="group1",
-            ttl="60",
+            ttl=DEFAULT_TTL,
             message_type="mock",
         )
         self.valid_out_metadata = Metadata(
@@ -247,7 +248,7 @@ def setUp(self) -> None:
             dst_node_id=10,
             reply_to_message="qwerty",
             group_id="group1",
-            ttl="60",
+            ttl=DEFAULT_TTL,
             message_type="mock",
         )
         self.common_content = RecordSet()

src/py/flwr/client/mod/secure_aggregation/secaggplus_mod.py

@@ -187,7 +187,7 @@ def secaggplus_mod(
 
     # Return message
     out_content.configs_records[RECORD_KEY_CONFIGS] = ConfigsRecord(res, False)
-    return msg.create_reply(out_content, ttl="")
+    return msg.create_reply(out_content)
 
 
 def check_stage(current_stage: str, configs: ConfigsRecord) -> None:

src/py/flwr/client/mod/secure_aggregation/secaggplus_mod_test.py

@@ -19,7 +19,14 @@
 from typing import Callable, Dict, List
 
 from flwr.client.mod import make_ffn
-from flwr.common import ConfigsRecord, Context, Message, Metadata, RecordSet
+from flwr.common import (
+    DEFAULT_TTL,
+    ConfigsRecord,
+    Context,
+    Message,
+    Metadata,
+    RecordSet,
+)
 from flwr.common.constant import MessageType
 from flwr.common.secure_aggregation.secaggplus_constants import (
     RECORD_KEY_CONFIGS,
@@ -38,7 +45,7 @@ def get_test_handler(
     """."""
 
     def empty_ffn(_msg: Message, _2: Context) -> Message:
-        return _msg.create_reply(RecordSet(), ttl="")
+        return _msg.create_reply(RecordSet())
 
     app = make_ffn(empty_ffn, [secaggplus_mod])
 
@@ -51,7 +58,7 @@ def func(configs: Dict[str, ConfigsRecordValues]) -> ConfigsRecord:
                 dst_node_id=123,
                 reply_to_message="",
                 group_id="",
-                ttl="",
+                ttl=DEFAULT_TTL,
                 message_type=MessageType.TRAIN,
             ),
             content=RecordSet(

src/py/flwr/client/mod/utils_test.py

@@ -20,6 +20,7 @@
 
 from flwr.client.typing import ClientAppCallable, Mod
 from flwr.common import (
+    DEFAULT_TTL,
     ConfigsRecord,
     Context,
     Message,
@@ -84,7 +85,7 @@ def _get_dummy_flower_message() -> Message:
             src_node_id=0,
             dst_node_id=0,
             reply_to_message="",
-            ttl="",
+            ttl=DEFAULT_TTL,
             message_type="mock",
         ),
     )

src/py/flwr/common/__init__.py

@@ -22,6 +22,7 @@
 from .grpc import GRPC_MAX_MESSAGE_LENGTH
 from .logger import configure as configure
 from .logger import log as log
+from .message import DEFAULT_TTL
 from .message import Error as Error
 from .message import Message as Message
 from .message import Metadata as Metadata
@@ -87,6 +88,7 @@
     "Message",
     "MessageType",
     "MessageTypeLegacy",
+    "DEFAULT_TTL",
     "Metadata",
     "Metrics",
     "MetricsAggregationFn",