78 lines
2.5 KiB
C++
78 lines
2.5 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/platform/linux/pal_nan.h"
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#include "chre/platform/assert.h"
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#include "chre/util/memory.h"
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namespace chre {
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uint8_t PalNanEngine::subscribe(
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const struct chreWifiNanSubscribeConfig * /*config*/,
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uint32_t *subscriptionId) {
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uint8_t errorCode = CHRE_ERROR;
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if ((mFlags & FAIL_SUBSCRIBE) == 0) {
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uint32_t id = ++mSubscriptionIdCounter;
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mActiveSubscriptions.insert(id);
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*subscriptionId = id;
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errorCode = CHRE_ERROR_NONE;
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}
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return errorCode;
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}
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bool PalNanEngine::subscribeCancel(uint32_t subscriptionId) {
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const bool isActive = isSubscriptionActive(subscriptionId);
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mActiveSubscriptions.erase(subscriptionId);
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return isActive;
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}
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bool PalNanEngine::isSubscriptionActive(uint32_t subscriptionId) {
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return mActiveSubscriptions.count(subscriptionId) == 1;
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}
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void PalNanEngine::sendDiscoveryEvent(uint32_t subscriptionId) {
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constexpr size_t kSomeArraySize = 11;
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auto *event = memoryAlloc<struct chreWifiNanDiscoveryEvent>();
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CHRE_ASSERT_NOT_NULL(event);
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auto *serviceSpecificInfo =
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static_cast<uint8_t *>(chre::memoryAlloc(kSomeArraySize));
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CHRE_ASSERT_NOT_NULL(serviceSpecificInfo);
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event->subscribeId = subscriptionId;
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event->publishId = --mPublisherIdCounter;
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std::memcpy(event->publisherAddress, kSomePublishMac, CHRE_WIFI_BSSID_LEN);
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event->serviceSpecificInfo = std::move(serviceSpecificInfo);
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event->serviceSpecificInfoSize = kSomeArraySize;
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mWifiCallbacks->nanServiceDiscoveryCallback(event);
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}
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void PalNanEngine::destroyDiscoveryEvent(chreWifiNanDiscoveryEvent *event) {
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memoryFree(const_cast<uint8_t *>(event->serviceSpecificInfo));
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memoryFree(event);
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}
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void PalNanEngine::onServiceLost(uint32_t subscribeId, uint32_t publishId) {
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mWifiCallbacks->nanServiceLostCallback(subscribeId, publishId);
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}
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void PalNanEngine::onServiceTerminated(uint32_t subscribeId) {
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mWifiCallbacks->nanServiceTerminatedCallback(CHRE_ERROR, subscribeId);
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}
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} // namespace chre
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