| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "chre/util/pigweed/rpc_client.h" |
| |
| #include <cinttypes> |
| #include <cstdint> |
| |
| #include "chre/util/macros.h" |
| #include "chre/util/nanoapp/log.h" |
| #include "chre/util/pigweed/rpc_helper.h" |
| #include "chre_api/chre.h" |
| |
| #ifndef LOG_TAG |
| #define LOG_TAG "[RpcClient]" |
| #endif // LOG_TAG |
| |
| namespace chre { |
| |
| bool RpcClient::handleEvent(uint32_t senderInstanceId, uint16_t eventType, |
| const void *eventData) { |
| switch (eventType) { |
| case CHRE_EVENT_RPC_RESPONSE: |
| return handleMessageFromServer(senderInstanceId, eventData); |
| case CHRE_EVENT_NANOAPP_STOPPED: |
| handleNanoappStopped(eventData); |
| return true; |
| } |
| |
| return true; |
| } |
| |
| bool RpcClient::hasService(uint64_t id, uint32_t version) { |
| struct chreNanoappInfo info; |
| if (!chreGetNanoappInfoByAppId(mServerNanoappId, &info)) { |
| return false; |
| } |
| |
| for (uint32_t i = 0; i < info.rpcServiceCount; i++) { |
| if (info.rpcServices[i].id == id) { |
| return info.rpcServices[i].version == version; |
| } |
| } |
| |
| return false; |
| } |
| |
| void RpcClient::close() { |
| chreConfigureNanoappInfoEvents(false); |
| } |
| |
| bool RpcClient::handleMessageFromServer(uint32_t senderInstanceId, |
| const void *eventData) { |
| auto data = static_cast<const chre::ChrePigweedNanoappMessage *>(eventData); |
| pw::span packet(reinterpret_cast<const std::byte *>(data->msg), |
| data->msgSize); |
| struct chreNanoappInfo info; |
| |
| if (!chreGetNanoappInfoByAppId(mServerNanoappId, &info) || |
| info.instanceId > kRpcNanoappMaxId) { |
| return false; |
| } |
| |
| if (!validateNanoappChannelId(senderInstanceId, info.instanceId)) { |
| return false; |
| } |
| |
| pw::Status status = mRpcClient.ProcessPacket(packet); |
| |
| if (status != pw::OkStatus()) { |
| LOGE("Failed to process the packet"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void RpcClient::handleNanoappStopped(const void *eventData) { |
| auto info = static_cast<const struct chreNanoappInfo *>(eventData); |
| |
| if (info->instanceId > kRpcNanoappMaxId) { |
| LOGE("Invalid nanoapp Id 0x%08" PRIx32, info->instanceId); |
| return; |
| } |
| |
| if (info->instanceId == mChannelId) { |
| mRpcClient.CloseChannel(mChannelId); |
| mChannelId = 0; |
| } |
| } |
| |
| } // namespace chre |