1 /* 2 * Copyright (C) 2017 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 #ifndef WIFI_OFFLOAD_CHRE_INTERFACE_H_ 17 #define WIFI_OFFLOAD_CHRE_INTERFACE_H_ 18 19 #include "chre_constants.h" 20 #include "chre_host/host_protocol_host.h" 21 #include "chre_host/socket_client.h" 22 #include "chre_interface_callbacks.h" 23 24 namespace android { 25 namespace hardware { 26 namespace wifi { 27 namespace offload { 28 namespace V1_0 { 29 namespace implementation { 30 31 class ChreInterface; 32 33 class SocketCallbacks 34 : public ::android::chre::SocketClient::ICallbacks, 35 public ::android::chre::IChreMessageHandlers { 36 public: 37 SocketCallbacks(ChreInterface* parent); 38 void onMessageReceived(const void* data, size_t length) override; 39 void onConnected() override; 40 void onConnectionAborted() override; 41 void onDisconnected() override; 42 void handleNanoappMessage(const ::chre::fbs::NanoappMessageT& message) override; 43 void handleHubInfoResponse(const ::chre::fbs::HubInfoResponseT& response) override; 44 void handleNanoappListResponse(const ::chre::fbs::NanoappListResponseT& response) override; 45 void handleLoadNanoappResponse(const ::chre::fbs::LoadNanoappResponseT& response) override; 46 void handleUnloadNanoappResponse(const ::chre::fbs::UnloadNanoappResponseT& response) override; 47 48 private: 49 /* Requests Hub Information, returns true if Hub Info request was sent */ 50 bool getHubInfo(); 51 /* Request list of Nano apps, returns true if Nano app List request was sent */ 52 bool getNanoAppList(); 53 ChreInterface* mParent; 54 }; 55 56 class ChreInterface { 57 public: 58 ChreInterface(ChreInterfaceCallbacks* callback); 59 ~ChreInterface(); 60 /* Return the status of socket connection */ 61 bool isConnected(); 62 /* Send a message to the Nano app, returns true if send successful */ 63 bool sendCommandToApp(uint32_t messageType, const std::vector<uint8_t>& message); 64 /* Connected or connection restart handling method */ 65 void reportConnectionEvent(ChreInterfaceCallbacks::ConnectionEvent /* event */); 66 /* Requests Hub Information, returns true if Hub Info request was sent */ 67 bool getHubInfo(); 68 /* Request list of Nano apps, returns true if Nano app List request was sent */ 69 bool getNanoAppList(); 70 /* Invoked by the socket callbacks when a message is recieved from Nano app */ 71 void handleMessage(uint32_t messageType, const void* messageData, size_t messageDataLen); 72 73 private: 74 ::android::chre::SocketClient mClient; 75 sp<SocketCallbacks> mSocketCallbacks; 76 ChreInterfaceCallbacks* mServerCallbacks; 77 std::mutex mChreInterfaceLock; 78 bool mSocketConnected; 79 }; 80 81 } // namespace implementation 82 } // namespace V1_0 83 } // namespace offload 84 } // namespace wifi 85 } // namespace hardware 86 } // namespace android 87 #endif // WIFI_OFFLOAD_CHRE_INTERFACE_H_ 88
