1  /*
2   * Copyright (c) 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 "hiview_file_info.h"
17  
18  #include "hiview_logger.h"
19  #include "securec.h"
20  
21  namespace OHOS {
22  namespace HiviewDFX {
23  DEFINE_LOG_TAG("LOGLIBRARY_FILE_INFO");
GetData(uint32_t & dataSize) const24  void* HiviewFileInfo::GetData(uint32_t& dataSize) const
25  {
26      Parcel outParcel;
27      if (!outParcel.WriteString(name)) {
28          return nullptr;
29      }
30      if (!outParcel.WriteInt64(mtime)) {
31          return nullptr;
32      }
33      if (!outParcel.WriteUint64(size)) {
34          return nullptr;
35      }
36      size_t size = outParcel.GetDataSize();
37      const size_t maxSize = 1024;
38      if (size == 0 || size > maxSize) {
39          HIVIEW_LOGE("invalid size.");
40          return nullptr;
41      }
42      void* data = malloc(size);
43      if (data == nullptr) {
44          HIVIEW_LOGE("invalid data.");
45          return nullptr;
46      }
47      memset_s(data, size, 0, size);
48      if (memcpy_s(data, size, reinterpret_cast<void*>(outParcel.GetData()), size) != 0) {
49          HIVIEW_LOGE("copy failed.");
50          free(data);
51          return nullptr;
52      }
53      dataSize = size;
54      return data;
55  }
56  
ParseData(const char * data,const uint32_t dataSize)57  HiviewFileInfo HiviewFileInfo::ParseData(const char* data, const uint32_t dataSize)
58  {
59      if (data == nullptr) {
60          HIVIEW_LOGE("param invalid.");
61          return HiviewFileInfo("", 0, 0);
62      }
63      Parcel inParcel;
64      inParcel.WriteBuffer(data, dataSize);
65      std::string name;
66      if (!inParcel.ReadString(name)) {
67          return HiviewFileInfo("", 0, 0);
68      }
69      time_t mtime;
70      if (!inParcel.ReadInt64(mtime)) {
71          return HiviewFileInfo("", 0, 0);
72      }
73      uint64_t size;
74      if (!inParcel.ReadUint64(size)) {
75          return HiviewFileInfo("", 0, 0);
76      }
77      return HiviewFileInfo(name, mtime, size);
78  }
79  } // namespace HiviewDFX
80  } // namespace OHOS