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