1 /* 2 * Copyright (c) 2021-2024 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 NETWORK_AGENT_TEMPLATE_H 17 #define NETWORK_AGENT_TEMPLATE_H 18 19 #include <list> 20 #include <memory> 21 #include <mutex> 22 #include <vector> 23 #include <string_view> 24 25 #include "device/device_info.h" 26 #include "dfsu_actor.h" 27 #include "dfsu_startable.h" 28 #include "dfsu_thread.h" 29 #include "mountpoint/mount_point.h" 30 #include "network/kernel_talker.h" 31 #include "network/session_pool.h" 32 #include "network/softbus/softbus_session_dispatcher.h" 33 #include "nlohmann/json.hpp" 34 #include "utils_directory.h" 35 36 namespace OHOS { 37 namespace Storage { 38 namespace DistributedFile { 39 constexpr uint8_t LINK_TYPE_AP = 1; 40 constexpr uint8_t LINK_TYPE_P2P = 2; 41 constexpr std::string_view GROUP_TYPE_AP = "hmdfs_WifiGroup"; 42 constexpr std::string_view GROUP_TYPE_P2P = "hmdfs_P2PGroup"; 43 44 class NetworkAgentTemplate : public DfsuStartable, public DfsuActor<NetworkAgentTemplate> { 45 public: NetworkAgentTemplate(std::weak_ptr<MountPoint> mountPoint)46 explicit NetworkAgentTemplate(std::weak_ptr<MountPoint> mountPoint) 47 : DfsuActor<NetworkAgentTemplate>(this), 48 mountPoint_(mountPoint), 49 kernerlTalker_(std::make_shared<KernelTalker>( 50 mountPoint, 51 [&](NotifyParam ¶m) { GetSessionProcess(param); }, 52 [&](int32_t fd) { CloseSessionForOneDevice(fd); })), 53 sessionPool_(kernerlTalker_) 54 { 55 } ~NetworkAgentTemplate()56 virtual ~NetworkAgentTemplate() {} 57 void Start(); 58 void Stop(); 59 void ConnectOnlineDevices(); 60 void DisconnectAllDevices(); 61 void ConnectDeviceAsync(const DeviceInfo info); 62 void DisconnectDevice(const DeviceInfo info); 63 void DisconnectDeviceByP2P(const DeviceInfo info); 64 void DisconnectDeviceByP2PHmdfs(const DeviceInfo info); 65 void OccupySession(int32_t sessionId, uint8_t linkType); 66 bool FindSession(int32_t sessionId); 67 void AcceptSession(std::shared_ptr<BaseSession> session, const std::string backStage); 68 void ConnectDeviceByP2PAsync(const DeviceInfo info); GetMountPoint()69 std::shared_ptr<MountPoint> GetMountPoint() 70 { 71 return mountPoint_.lock(); 72 }; 73 protected: 74 virtual void JoinDomain() = 0; 75 virtual void QuitDomain() = 0; 76 virtual void StopTopHalf() = 0; 77 virtual void StopBottomHalf() = 0; 78 virtual int32_t OpenSession(const DeviceInfo &info, const uint8_t &linkType) = 0; 79 virtual void OpenApSession(const DeviceInfo &info, const uint8_t &linkType) = 0; 80 virtual void CloseSession(std::shared_ptr<BaseSession> session) = 0; 81 82 std::weak_ptr<MountPoint> mountPoint_; 83 84 private: 85 void HandleAllNotify(int fd); 86 void NotifyHandler(NotifyParam ¶m); 87 void GetSessionProcess(NotifyParam ¶m); 88 void GetSession(const std::string &cid, uint8_t linkType); 89 void CloseSessionForOneDevice(int32_t fd); 90 void GetSessionProcessInner(NotifyParam param); 91 92 std::mutex taskMut_; 93 std::list<Utils::DfsuThread> tasks_; 94 std::shared_ptr<KernelTalker> kernerlTalker_; 95 SessionPool sessionPool_; 96 }; 97 } // namespace DistributedFile 98 } // namespace Storage 99 } // namespace OHOS 100 #endif // NETWORK_AGENT_TEMPLATE_H