完善直播节点监控与边缘代理

backend/services/node_store.py

@@ -0,0 +1,27 @@
+import json
+from pathlib import Path
+
+from config import settings
+
+
+STORE_PATH = Path(__file__).resolve().parent.parent / "nodes.json"
+
+
+def load_nodes() -> None:
+    if not STORE_PATH.exists():
+        return
+    try:
+        nodes = json.loads(STORE_PATH.read_text(encoding="utf-8"))
+    except (OSError, json.JSONDecodeError):
+        return
+    if isinstance(nodes, list):
+        settings.edge_nodes = nodes
+
+
+def save_nodes() -> None:
+    temporary = STORE_PATH.with_suffix(".json.tmp")
+    temporary.write_text(
+        json.dumps(settings.edge_nodes, ensure_ascii=False, indent=2),
+        encoding="utf-8",
+    )
+    temporary.replace(STORE_PATH)