1 /*
2  * Copyright (C) 2021-2023 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 #include "external_wifi_common_builder_manager.h"
17 #include "wifi_logger.h"
18 #include "wifi_scorer_impl.h"
19 
20 
21 namespace OHOS::Wifi {
22 DEFINE_WIFILOG_LABEL("WifiCommonBuilderManager")
23 
GetInstance()24 ExternalWifiCommonBuildManager &ExternalWifiCommonBuildManager::GetInstance()
25 {
26     static ExternalWifiCommonBuildManager gNetworkSelectorCommonBuilderManager;
27     return gNetworkSelectorCommonBuilderManager;
28 }
29 
RegisterCommonBuilder(const TagType & tagType,const std::string & tagName,const CommonBuilder & commonBuilder)30 void ExternalWifiCommonBuildManager::RegisterCommonBuilder(const TagType &tagType, const std::string &tagName,
31                                                            const CommonBuilder &commonBuilder)
32 {
33     if (commonBuilder.IsEmpty()) {
34         WIFI_LOGE("the scoreBuilder for tagType: %{public}d, tagName: %{public}s is empty",
35                   static_cast<int>(tagType), tagName.c_str());
36         return;
37     }
38     std::lock_guard<std::mutex> lock(mutex);
39     WIFI_LOGI("RegisterCommonBuilder for tagType: %{public}d, tagName: %{public}s",
40               static_cast<int>(tagType), tagName.c_str());
41     commonBuilders.insert_or_assign({tagType, tagName}, commonBuilder);
42 }
43 
DeregisterCommonBuilder(const TagType & tagType,const std::string & tagName)44 void ExternalWifiCommonBuildManager::DeregisterCommonBuilder(const TagType &tagType, const std::string &tagName)
45 {
46     std::lock_guard<std::mutex> lock(mutex);
47     WIFI_LOGI("DeregisterCommonBuilder for tagType: %{public}d, tagName: %{public}s",
48               static_cast<int>(tagType), tagName.c_str());
49     commonBuilders.erase({tagType, tagName});
50 }
51 
BuildScore(const TagType & scoreTag,NetworkSelection::CompositeWifiScorer & compositeScore)52 void ExternalWifiCommonBuildManager::BuildScore(const TagType &scoreTag,
53                                                 NetworkSelection::CompositeWifiScorer &compositeScore)
54 {
55     std::lock_guard<std::mutex> lock(mutex);
56     for (const auto &commonBuilderPair : commonBuilders) {
57         /* find the builder which match the filterTag  */
58         if (commonBuilderPair.first.first != scoreTag) {
59             continue;
60         }
61         commonBuilderPair.second.scoreBuilder.operator()(compositeScore);
62     }
63 }
64 
BuildFilter(const TagType & filterTag,NetworkSelection::CompositeWifiFilter & compositeFilter)65 void ExternalWifiCommonBuildManager::BuildFilter(const TagType &filterTag,
66     NetworkSelection::CompositeWifiFilter &compositeFilter)
67 {
68     std::lock_guard<std::mutex> lock(mutex);
69     for (const auto &commonBuilderPair : commonBuilders) {
70         /* find the builder which match the filterTag  */
71         if (commonBuilderPair.first.first != filterTag) {
72             continue;
73         }
74         commonBuilderPair.second.filterBuilder.operator()(compositeFilter);
75     }
76 }
77 }
78