feat: 视频与控制程序合并

backend/monitoring/consumers.py

@@ -0,0 +1,42 @@
+from __future__ import annotations
+
+import json
+
+from channels.generic.websocket import WebsocketConsumer
+
+from .common import CONTROL_PACKET_SIZE, CONTROL_SOURCE_WEB
+from .services import control_arbiter, native_control_ingress
+
+
+class ControlConsumer(WebsocketConsumer):
+    def connect(self) -> None:
+        control_arbiter.ensure_started()
+        native_control_ingress.ensure_started()
+        self.accept()
+        self.send(
+            text_data=json.dumps(
+                {
+                    "type": "ready",
+                    "packet_bytes": CONTROL_PACKET_SIZE,
+                }
+            )
+        )
+
+    def receive(self, text_data: str | None = None, bytes_data: bytes | None = None) -> None:
+        if bytes_data is None:
+            self.send(text_data=json.dumps({"type": "error", "detail": "binary control payload required"}))
+            return
+
+        if len(bytes_data) != CONTROL_PACKET_SIZE:
+            self.send(
+                text_data=json.dumps(
+                    {
+                        "type": "error",
+                        "detail": f"expected {CONTROL_PACKET_SIZE} bytes, got {len(bytes_data)}",
+                    }
+                )
+            )
+            return
+
+        control_arbiter.ingest_command(CONTROL_SOURCE_WEB, bytes_data)
+