95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
/*
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* Copyright (C) 2018 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/platform/shared/nanoapp_load_manager.h"
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namespace chre {
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bool NanoappLoadManager::prepareForLoad(uint16_t hostClientId,
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uint32_t transactionId, uint64_t appId,
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uint32_t appVersion, uint32_t appFlags,
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size_t totalBinaryLen,
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uint32_t targetApiVersion) {
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if (hasPendingLoadTransaction()) {
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LOGW(
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"Pending load transaction already exists. Overriding previous"
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" transaction.");
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}
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mCurrentLoadInfo.hostClientId = hostClientId;
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mCurrentLoadInfo.transactionId = transactionId;
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mCurrentLoadInfo.nextFragmentId = 1;
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mNanoapp = MakeUnique<Nanoapp>();
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bool success = false;
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if (mNanoapp.isNull()) {
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LOG_OOM();
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} else {
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success = mNanoapp->reserveBuffer(appId, appVersion, appFlags,
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totalBinaryLen, targetApiVersion);
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}
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if (!success) {
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markFailure();
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}
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return success;
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}
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bool NanoappLoadManager::copyNanoappFragment(uint16_t hostClientId,
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uint32_t transactionId,
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uint32_t fragmentId,
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const void *buffer,
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size_t bufferLen) {
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bool success = false;
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if (validateFragment(hostClientId, transactionId, fragmentId)) {
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success = mNanoapp->copyNanoappFragment(buffer, bufferLen);
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if (success) {
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mCurrentLoadInfo.nextFragmentId++;
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} else {
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markFailure();
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}
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}
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return success;
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}
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bool NanoappLoadManager::validateFragment(uint16_t hostClientId,
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uint32_t transactionId,
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uint32_t fragmentId) const {
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bool valid = false;
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if (!hasPendingLoadTransaction()) {
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LOGE("No pending load transaction exists");
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} else {
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const FragmentedLoadInfo &info = mCurrentLoadInfo;
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valid = (info.hostClientId == hostClientId &&
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info.transactionId == transactionId &&
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info.nextFragmentId == fragmentId);
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if (!valid) {
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LOGE("Unexpected load fragment: expected host %" PRIu16
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"transaction %" PRIu32 " fragment %" PRIu32
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", received host %" PRIu16 " transaction %" PRIu32
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" fragment %" PRIu32,
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info.hostClientId, info.transactionId, info.nextFragmentId,
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hostClientId, transactionId, fragmentId);
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}
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}
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return valid;
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}
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} // namespace chre
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