1# Copyright 2024 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14"""Modem grpc interface."""
15
16from floss.pandora.server import bluetooth as bluetooth_module
17import grpc
18from pandora_experimental import modem_grpc_aio
19from pandora_experimental import modem_pb2
20
21
22class Modem(modem_grpc_aio.ModemServicer):
23    """Service to trigger modem procedures.
24
25    This class implements the Pandora bluetooth test interfaces,
26    where the meta class definition is automatically generated by the protobuf.
27    The interface definition can be found in:
28    https://cs.android.com/android/platform/superproject/main/+/main:packages/modules/Bluetooth/pandora/interfaces/pandora_experimental/modem.proto
29    """
30
31    def __init__(self, bluetooth: bluetooth_module.Bluetooth):
32        self.bluetooth = bluetooth
33
34    async def Call(self, request: modem_pb2.CallRequest, context: grpc.ServicerContext) -> modem_pb2.CallResponse:
35        phone_number = request.phone_number
36        if phone_number is None or len(phone_number) == 0:
37            await context.abort(grpc.StatusCode.INVALID_ARGUMENT, 'Cannot call empty number.')
38
39        call_result = self.bluetooth.incoming_call(phone_number)
40        if not call_result:
41            await context.abort(grpc.StatusCode.INTERNAL, 'Failed to receive a call.')
42
43        return modem_pb2.CallResponse()
44
45    async def AnswerCall(self, request: modem_pb2.AnswerCallRequest,
46                         context: grpc.ServicerContext) -> modem_pb2.AnswerCallResponse:
47        context.set_code(grpc.StatusCode.UNIMPLEMENTED)  # type: ignore
48        context.set_details('Method not implemented!')  # type: ignore
49        raise NotImplementedError('Method not implemented!')
50
51    async def Close(self, request: modem_pb2.CloseRequest, context: grpc.ServicerContext) -> modem_pb2.CloseResponse:
52        context.set_code(grpc.StatusCode.UNIMPLEMENTED)  # type: ignore
53        context.set_details('Method not implemented!')  # type: ignore
54        raise NotImplementedError('Method not implemented!')
55