1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <cstddef> 20 #include "chre_host/generated/host_messages_generated.h" 21 22 namespace aidl::android::hardware::bluetooth::socket::impl { 23 24 /** 25 * The callback interface for a BluetoothSocketOffloadLink 26 * 27 * A Bluetooth Socket HAL should implement this interface so that the 28 * BluetoothSocketOffloadLink has an API to pass messages to. 29 */ 30 class BluetoothSocketOffloadLinkCallback { 31 public: 32 virtual ~BluetoothSocketOffloadLinkCallback() = default; 33 34 /** 35 * This method should be called when the offload link is disconnected from 36 * the HAL. 37 */ onOffloadLinkDisconnected()38 virtual void onOffloadLinkDisconnected() {} 39 40 /** 41 * This method should be called when the offload link is reconnected to the 42 * HAL. 43 */ onOffloadLinkReconnected()44 virtual void onOffloadLinkReconnected() {} 45 46 /** 47 * Handles an encoded message related to an offloaded Bluetooth Socket from 48 * the offload stack. 49 */ 50 virtual void handleMessageFromOffloadStack(const void *message, 51 size_t length) = 0; 52 }; 53 54 } // namespace aidl::android::hardware::bluetooth::socket::impl 55