1 files changed, 114 insertions, 0 deletions
diff --git a/kvmd/plugins/ugpio/wol.py b/kvmd/plugins/ugpio/wol.py
new file mode 100644
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--- /dev/null
+++ b/kvmd/plugins/ugpio/wol.py
@@ -0,0 +1,114 @@
+# ========================================================================== #
+#                                                                            #
+#    KVMD - The main Pi-KVM daemon.                                          #
+#                                                                            #
+#    Copyright (C) 2018-2021  Maxim Devaev <[email protected]>               #
+#                                                                            #
+#    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 socket
+
+from typing import Dict
+from typing import Optional
+
+from ...logging import get_logger
+
+from ... import aiotools
+
+from ...yamlconf import Option
+
+from ...validators.net import valid_ip
+from ...validators.net import valid_port
+from ...validators.net import valid_mac
+
+from . import GpioDriverOfflineError
+from . import BaseUserGpioDriver
+
+
+# =====
+class Plugin(BaseUserGpioDriver):  # pylint: disable=too-many-instance-attributes
+    def __init__(  # pylint: disable=super-init-not-called
+        self,
+        instance_name: str,
+        notifier: aiotools.AioNotifier,
+
+        ip: str,
+        port: int,
+        mac: str,
+    ) -> None:
+
+        super().__init__(instance_name, notifier)
+
+        self.__ip = ip
+        self.__port = port
+        self.__mac = mac
+
+    @classmethod
+    def get_plugin_options(cls) -> Dict:
+        return {
+            "ip":   Option("255.255.255.255", type=(lambda arg: valid_ip(arg, v6=False))),
+            "port": Option(9, type=valid_port),
+            "mac":  Option("", type=(lambda arg: (valid_mac(arg) if arg else ""))),
+        }
+
+    def register_input(self, pin: int, debounce: float) -> None:
+        _ = pin
+        _ = debounce
+
+    def register_output(self, pin: int, initial: Optional[bool]) -> None:
+        _ = pin
+        _ = initial
+
+    def prepare(self) -> None:
+        get_logger(0).info("Probing driver %s on MAC %s and %s:%d ...", self, self.__mac, self.__ip, self.__port)
+
+    async def run(self) -> None:
+        await aiotools.wait_infinite()
+
+    async def cleanup(self) -> None:
+        pass
+
+    async def read(self, pin: int) -> bool:
+        _ = pin
+        return False
+
+    async def write(self, pin: int, state: bool) -> None:
+        _ = pin
+        if not state:
+            return
+
+        sock: Optional[socket.socket] = None
+        try:
+            # TODO: IPv6 support: http://lists.cluenet.de/pipermail/ipv6-ops/2014-September/010139.html
+            sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+            sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+            sock.connect((self.__ip, self.__port))
+            sock.send(bytes.fromhex("FF" * 6 + self.__mac.replace(":", "") * 16))
+        except Exception:
+            get_logger(0).exception("Can't send Wake-on-LAN packet via %s to %s", self, self.__mac)
+            raise GpioDriverOfflineError(self)
+        finally:
+            if sock:
+                try:
+                    sock.close()
+                except Exception:
+                    pass
+
+    def __str__(self) -> str:
+        return f"WakeOnLan({self._instance_name})"
+
+    __repr__ = __str__