1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_MEMORY_MEMMGR_INTERFACES_INNERKITS_INCLUDE_MEM_MGR_CLIENT_H 17 #define OHOS_MEMORY_MEMMGR_INTERFACES_INNERKITS_INCLUDE_MEM_MGR_CLIENT_H 18 19 #include "i_mem_mgr.h" 20 #include "single_instance.h" 21 #include "app_state_subscriber.h" 22 23 extern "C" { 24 int32_t notify_process_status(int32_t pid, int32_t type, int32_t status, int saId = -1); 25 int32_t set_critical(int32_t pid, bool critical, int32_t saId = -1); 26 } 27 28 namespace OHOS { 29 namespace Memory { 30 enum class MemoryTypeCode { 31 DMABUF = 0, 32 }; 33 34 enum class MemoryStatusCode { 35 USED = 0, 36 UNUSED = 1, 37 }; 38 39 class MemMgrClient { 40 DECLARE_SINGLE_INSTANCE(MemMgrClient); 41 42 public: 43 int32_t GetBundlePriorityList(BundlePriorityList &bundlePrioList); 44 int32_t NotifyDistDevStatus(int32_t pid, int32_t uid, const std::string &name, bool connected); 45 int32_t GetKillLevelOfLmkd(int32_t &killLevel); 46 int32_t RegisterActiveApps(int32_t pid, int32_t uid); 47 int32_t DeregisterActiveApps(int32_t pid, int32_t uid); 48 int32_t SubscribeAppState(const AppStateSubscriber &subscriber); 49 int32_t UnsubscribeAppState(const AppStateSubscriber &subscriber); 50 int32_t GetAvailableMemory(int32_t &memSize); 51 int32_t GetTotalMemory(int32_t &memSize); 52 int32_t GetAvailableMemory(); 53 int32_t GetTotalMemory(); 54 int32_t OnWindowVisibilityChanged(const std::vector<sptr<MemMgrWindowInfo>> &MemMgrWindowInfo); 55 int32_t GetReclaimPriorityByPid(int32_t pid, int32_t &priority); 56 int32_t NotifyProcessStateChangedSync(const MemMgrProcessStateInfo &processStateInfo); 57 int32_t NotifyProcessStateChangedAsync(const MemMgrProcessStateInfo &processStateInfo); 58 int32_t NotifyProcessStatus(int32_t pid, int32_t type, int32_t status, int saId = -1); 59 int32_t SetCritical(int32_t pid, bool critical, int32_t saId = -1); 60 int32_t MemoryStatusChanged(int32_t pid, int32_t type, int32_t status); 61 int32_t SetDmabufUsage(int32_t fd, const std::string &usage); 62 int32_t Reclaim(int32_t pid, int32_t fd); 63 int32_t Resume(int32_t pid, int32_t fd); 64 65 private: 66 sptr<IMemMgr> GetMemMgrService(); 67 std::mutex mutex_; 68 sptr<IMemMgr> dpProxy_; 69 }; 70 } // namespace Memory 71 } // namespace OHOS 72 #endif // OHOS_MEMORY_MEMMGR_INTERFACES_INNERKITS_INCLUDE_MEM_MGR_CLIENT_H 73