added otg msd stub

configs/kvmd/main/v2-hdmi.yaml

@@ -23,7 +23,7 @@ kvmd:
         type: disabled
 
     msd:
-        type: disabled
+        type: otg
 
     streamer:
         desired_fps: 30

kvmd/plugins/msd/otg.py

@@ -0,0 +1,93 @@
+# ========================================================================== #
+#                                                                            #
+#    KVMD - The main Pi-KVM daemon.                                          #
+#                                                                            #
+#    Copyright (C) 2018  Maxim Devaev <mdevaev@gmail.com>                    #
+#                                                                            #
+#    This program is free software: you can redistribute it and/or modify    #
+#    it under the terms of the GNU General Public License as published by    #
+#    the Free Software Foundation, either version 3 of the License, or       #
+#    (at your option) any later version.                                     #
+#                                                                            #
+#    This program is distributed in the hope that it will be useful,         #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
+#    GNU General Public License for more details.                            #
+#                                                                            #
+#    You should have received a copy of the GNU General Public License       #
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
+#                                                                            #
+# ========================================================================== #
+
+
+import asyncio
+import types
+
+from typing import Dict
+from typing import Type
+from typing import AsyncGenerator
+
+from . import MsdOperationError
+from . import BaseMsd
+
+
+# =====
+class MsdCliOnlyError(MsdOperationError):
+    def __init__(self) -> None:
+        super().__init__("Only CLI")
+
+
+# =====
+class Plugin(BaseMsd):
+    def get_state(self) -> Dict:
+        return {
+            "enabled": False,
+            "multi": False,
+            "online": False,
+            "busy": False,
+            "uploading": False,
+            "written": False,
+            "current": None,
+            "storage": None,
+            "connected": False,
+        }
+
+    async def poll_state(self) -> AsyncGenerator[Dict, None]:
+        while True:
+            yield self.get_state()
+            await asyncio.sleep(60)
+
+    async def reset(self) -> None:
+        raise MsdCliOnlyError()
+
+    # =====
+
+    async def connect(self) -> Dict:
+        raise MsdCliOnlyError()
+
+    async def disconnect(self) -> Dict:
+        raise MsdCliOnlyError()
+
+    async def select(self, name: str) -> Dict:
+        raise MsdCliOnlyError()
+
+    async def remove(self, name: str) -> Dict:
+        raise MsdCliOnlyError()
+
+    async def __aenter__(self) -> BaseMsd:
+        raise MsdCliOnlyError()
+
+    async def write_image_info(self, name: str, complete: bool) -> None:
+        raise MsdCliOnlyError()
+
+    async def write_image_chunk(self, chunk: bytes) -> int:
+        raise MsdCliOnlyError()
+
+    async def __aexit__(
+        self,
+        _exc_type: Type[BaseException],
+        _exc: BaseException,
+        _tb: types.TracebackType,
+    ) -> None:
+
+        raise MsdCliOnlyError()