user gpio

kvmd/apps/kvmd/api/ugpio.py

@@ -0,0 +1,63 @@
+# ========================================================================== #
+#                                                                            #
+#    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/>.  #
+#                                                                            #
+# ========================================================================== #
+
+
+from aiohttp.web import Request
+from aiohttp.web import Response
+
+from ....validators.basic import valid_bool
+from ....validators.basic import valid_float_f0
+
+from ....validators.hw import valid_gpio_channel
+
+from ..ugpio import UserGpio
+
+from ..http import exposed_http
+from ..http import make_json_response
+
+
+# =====
+class UserGpioApi:
+    def __init__(self, user_gpio: UserGpio) -> None:
+        self.__user_gpio = user_gpio
+
+    # =====
+
+    @exposed_http("GET", "/gpio")
+    async def __state_handler(self, _: Request) -> Response:
+        return make_json_response({
+            "scheme": (await self.__user_gpio.get_scheme()),
+            "state": (await self.__user_gpio.get_state()),
+        })
+
+    @exposed_http("POST", "/gpio/switch")
+    async def __switch_handler(self, request: Request) -> Response:
+        channel = valid_gpio_channel(request.query.get("channel"))
+        state = valid_bool(request.query.get("state"))
+        done = await self.__user_gpio.switch(channel, state)
+        return make_json_response({"done": done})
+
+    @exposed_http("POST", "/gpio/pulse")
+    async def __pulse_handler(self, request: Request) -> Response:
+        channel = valid_gpio_channel(request.query.get("channel"))
+        delay = valid_float_f0(request.query.get("delay", "0"))
+        await self.__user_gpio.pulse(channel, delay)
+        return make_json_response()