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