[LLM] First commit the llm deployment code

fastdeploy/scheduler/data.py

@@ -0,0 +1,75 @@
+"""
+# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+#
+# 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
+#
+#     http://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.
+"""
+
+import time
+import json
+from fastdeploy.engine.request import Request, RequestOutput
+
+
+class ScheduledRequest(object):
+    """
+        ScheduledRequest class
+    """
+
+    def __init__(self, request: Request):
+        self.raw: Request = request
+        self.id = request.request_id
+        self.scheduled_time = time.time()
+        self.size = len(request.prompt_token_ids)
+
+    def serialize(self) -> bytes:
+        """serialize to bytes"""
+        data = {
+            "scheduled_time": self.scheduled_time,
+            "raw": self.raw.to_dict()
+        }
+        serialized_data = json.dumps(data, ensure_ascii=False)
+        return serialized_data.encode()
+
+    @classmethod
+    def unserialize(cls, serialized_data: bytes) -> 'ScheduledRequest':
+        """unserialize to Request"""
+        data = json.loads(serialized_data)
+        request = Request.from_dict(data["raw"])
+        scheduled_request = cls(request)
+        scheduled_request.scheduled_time = data["scheduled_time"]
+        return scheduled_request
+
+
+class ScheduledResponse(object):
+    """
+        ScheduledResponse class
+    """
+
+    def __init__(self, response: RequestOutput):
+        self.raw: RequestOutput = response
+        self.id = response.request_id
+        self.index = response.outputs.index
+        self.finished = response.finished
+
+    def serialize(self) -> bytes:
+        """serialize to bytes"""
+        data = self.raw.to_dict()
+        serialized_data = json.dumps(data, ensure_ascii=False)
+        return serialized_data.encode()
+
+    @classmethod
+    def unserialize(cls, serialized_data: bytes) -> 'ScheduledResponse':
+        """unserialize to RequestOutput"""
+        data = json.loads(serialized_data)
+        request_output = RequestOutput.from_dict(data)
+        scheduled_response = ScheduledResponse(request_output)
+        return scheduled_response