1 /* 2 * Copyright (c) 2021 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 SESSION_POOL_H 17 #define SESSION_POOL_H 18 19 #include <list> 20 #include <memory> 21 #include <mutex> 22 #include <set> 23 24 #include "network/base_session.h" 25 #include "network/kernel_talker.h" 26 27 namespace OHOS { 28 namespace Storage { 29 namespace DistributedFile { 30 class SessionPool final : protected NoCopyable { 31 public: SessionPool(std::shared_ptr<KernelTalker> & talker)32 explicit SessionPool(std::shared_ptr<KernelTalker> &talker) : talker_(talker) {} 33 ~SessionPool() = default; 34 void HoldSession(std::shared_ptr<BaseSession> session); 35 void ReleaseSession(const int32_t fd); 36 void ReleaseSession(const std::string &cid); 37 void ReleaseAllSession(); 38 39 private: 40 std::recursive_mutex sessionPoolLock_; 41 std::list<std::shared_ptr<BaseSession>> usrSpaceSessionPool_; 42 std::shared_ptr<KernelTalker> &talker_; 43 44 void AddSessionToPool(std::shared_ptr<BaseSession> session); 45 }; 46 } // namespace DistributedFile 47 } // namespace Storage 48 } // namespace OHOS 49 #endif // SESSION_POOL_H