Add expire for duel states in server

ygoinf/setup.py

@@ -3,7 +3,7 @@ from setuptools import setup, find_packages
 __version__ = "0.0.1"
 
 INSTALL_REQUIRES = [
-  "numpy",
+  "numpy==1.26.4",
   "optree",
   "fastapi",
   "uvicorn[standard]",

ygoinf/ygoinf/features.py

 from enum import Enum
 from itertools import combinations
+import time
 
 from typing import List
 
@@ -1061,6 +1062,8 @@ class PredictState:
 
         self.reset()
 
+        self._timestamp = time.time()
+
     def reset(self):
         self._probs = None
         self._actions = None
@@ -1080,6 +1083,7 @@ class PredictState:
         self._action_msg = input.action_msg
         self._turn = input.global_.turn
         self._phase = input.global_.phase
+        self._timestamp = time.time()
 
 def revert_pad_truncate(probs, n_actions):
     if len(probs) < n_actions:

ygoinf/ygoinf/server.py

@@ -3,6 +3,7 @@ os.environ.setdefault("JAX_PLATFORMS", "cpu")
 from typing import Union, Dict
 
 import time
+import threading
 import uuid
 from contextlib import asynccontextmanager
 
@@ -25,13 +26,28 @@ class Settings(BaseSettings):
     code_list: str = "code_list.txt"
     checkpoint: str = "latest.flax_model"
     enable_cors: bool = Field(default=True, description="Enable CORS")
+    state_expire: int = Field(default=3600, description="Duel state expire time in seconds")
+    test_duel_id: str = Field(default="9654823a-23fd-4850-bb-6fec241740b0", description="Test duel id")
 
 settings = Settings()
 
-
 all_models = {}
 duel_states: Dict[str, PredictState] = {}
 
+def delete_outdated_states():
+    while True:
+        current_time = time.time()
+        for k, v in list(duel_states.items()):
+            if k == settings.test_duel_id:
+                continue
+            if current_time - v._timestamp > settings.state_expire:
+                del duel_states[k]
+        time.sleep(600)
+
+# Start the thread to delete outdated states
+thread = threading.Thread(target=delete_outdated_states)
+thread.daemon = True
+thread.start()
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):    
@@ -43,7 +59,7 @@ async def lifespan(app: FastAPI):
     print(f"loaded checkpoint from {checkpoint}")
 
     state = new_state()
-    test_duel_id = "9654823a-23fd-4850-bb-6fec241740b0"
+    test_duel_id = settings.test_duel_id
     duel_states[test_duel_id] = state
 
     yield