1 /*
2 * Copyright (C) 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 #ifndef OHOS_DHCP_RESULT_STORE_MANAGER_H
16 #define OHOS_DHCP_RESULT_STORE_MANAGER_H
17
18 #include <fstream>
19 #include <sstream>
20 #include <string>
21 #include <unistd.h>
22 #include "dhcp_client_def.h"
23
24 namespace OHOS {
25 namespace DHCP {
26 class DhcpResultStoreManager {
27 public:
28 DhcpResultStoreManager();
29 ~DhcpResultStoreManager();
30 static DhcpResultStoreManager &GetInstance();
31 int32_t SaveIpInfoInLocalFile(const IpInfoCached ipInfo);
32 int32_t GetCachedIp(const std::string targetBssid, IpInfoCached &outIpResult);
33
34 private:
35 void SetConfigFilePath(const std::string &fileName);
36 int32_t LoadAllIpCached(const std::string &fileName);
37 int32_t ReadNetworkSection(IpInfoCached &item, std::ifstream &fs, std::string &line);
38 int32_t ReadNetwork(IpInfoCached &item, std::ifstream &fs, std::string &line);
39 int32_t SaveConfig();
40 int32_t SetClassKeyValue(IpInfoCached &item, const std::string &key, const std::string &value);
41 std::string GetClassName();
42 std::string OutClassString(IpInfoCached &item);
43 void ClearClass(IpInfoCached &item);
44
45 private:
46 std::mutex m_ipResultMutex;
47 std::vector<IpInfoCached> m_allIpCached;
48 std::string m_fileName;
49 };
50
TrimString(std::string & str)51 static inline void TrimString(std::string &str)
52 {
53 int32_t i = 0;
54 int32_t j = static_cast<int32_t>(str.length()) - 1;
55 while (i < static_cast<int32_t>(str.length()) && str[i] == ' ') {
56 ++i;
57 }
58 while (j >= 0 && str[j] == ' ') {
59 --j;
60 }
61 str = ((i > j) ? "" : str.substr(i, j - i + 1));
62 }
63 } // namespace Wifi
64 } // namespace OHOS
65 #endif
66