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 #include "bundle_scanner.h"
17 
18 #include <dirent.h>
19 
20 #include "bundle_mgr_service.h"
21 #include "hitrace_meter.h"
22 #include "datetime_ex.h"
23 #include "perf_profile.h"
24 
25 namespace OHOS {
26 namespace AppExecFwk {
27 
BundleScanner()28 BundleScanner::BundleScanner()
29 {
30     APP_LOGI("BundleScanner instance is created");
31 }
32 
~BundleScanner()33 BundleScanner::~BundleScanner()
34 {
35     APP_LOGI("BundleScanner instance is destroyed");
36 }
37 
Scan(const std::string & dirPath)38 const std::list<std::string> &BundleScanner::Scan(const std::string &dirPath)
39 {
40     HITRACE_METER_NAME(HITRACE_TAG_APP, __PRETTY_FUNCTION__);
41     PerfProfile::GetInstance().SetBundleScanStartTime(GetTickCount());
42 
43     APP_LOGD("path:%{private}s", dirPath.c_str());
44     if (!dirPath.empty()) {
45         if (!ScanImpl(dirPath)) {
46             APP_LOGW("BundleScanner::Scan scan error");
47         }
48     }
49 
50     APP_LOGD("scan result num:%{public}zu", entries_.size());
51     for (const auto &item : entries_) {
52         APP_LOGD("app item:%{private}s", item.c_str());
53     }
54 
55     PerfProfile::GetInstance().SetBundleScanEndTime(GetTickCount());
56     return entries_;
57 }
58 
ScanImpl(const std::string & dirPath)59 bool BundleScanner::ScanImpl(const std::string &dirPath)
60 {
61     DIR *dirp = opendir(dirPath.c_str());
62     if (dirp == nullptr) {
63         APP_LOGE("BundleScanner::ScanImpl open dir:%{private}s fail, errno:%{public}d", dirPath.c_str(), errno);
64         return false;
65     }
66 
67     struct dirent *dirent = nullptr;
68     for (;;) {
69         dirent = readdir(dirp);
70         if (dirent == nullptr) {
71             APP_LOGE("fail readdir err:%{public}d", errno);
72             break;
73         }
74 
75         std::string currentName(dirent->d_name);
76         APP_LOGD("folder found:'%{private}s'", dirent->d_name);
77         if (currentName.compare(".") == 0 || currentName.compare("..") == 0) {
78             continue;
79         }
80         entries_.push_back(dirPath + ServiceConstants::PATH_SEPARATOR + currentName);
81     }
82 
83     if (closedir(dirp) == -1) {
84         APP_LOGW("close dir fail, errno:%{public}d", errno);
85     }
86     return true;
87 }
88 
89 }  // namespace AppExecFwk
90 }  // namespace OHOS
91