1 /*
2 * Copyright (C) 2022 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 "file_packer_stream.h"
17 #include <cerrno>
18 #include "directory_ex.h"
19 #include "image_utils.h"
20
21 namespace OHOS {
22 namespace Media {
23 using namespace OHOS::HiviewDFX;
24
FilePackerStream(const std::string & filePath)25 FilePackerStream::FilePackerStream(const std::string &filePath)
26 {
27 int lastSlash = filePath.rfind("/");
28 std::string dirPath;
29 std::string fileName;
30 if (lastSlash >= 0) {
31 dirPath = ExtractFilePath(filePath);
32 fileName = ExtractFileName(filePath);
33 } else {
34 dirPath = "";
35 fileName = filePath;
36 }
37 std::string realPath;
38 if (!ImageUtils::PathToRealPath(dirPath, realPath)) {
39 file_ = nullptr;
40 HiLog::Error(LABEL, "convert to real path failed.");
41 return;
42 }
43
44 if (!ForceCreateDirectory(realPath)) {
45 file_ = nullptr;
46 HiLog::Error(LABEL, "create directory failed.");
47 return;
48 }
49
50 std::string fullPath = realPath + "/" + fileName;
51 file_ = fopen(fullPath.c_str(), "wb");
52 if (file_ == nullptr) {
53 HiLog::Error(LABEL, "fopen file failed, error:%{public}d", errno);
54 return;
55 }
56 }
FilePackerStream(const int fd)57 FilePackerStream::FilePackerStream(const int fd)
58 {
59 file_ = fdopen(fd, "wb");
60 if (file_ == nullptr) {
61 HiLog::Error(LABEL, "fopen file failed, error:%{public}d", errno);
62 return;
63 }
64 }
~FilePackerStream()65 FilePackerStream::~FilePackerStream()
66 {
67 if (file_ != nullptr) {
68 fclose(file_);
69 file_ = nullptr;
70 }
71 }
72
Write(const uint8_t * buffer,uint32_t size)73 bool FilePackerStream::Write(const uint8_t *buffer, uint32_t size)
74 {
75 if ((buffer == nullptr) || (size == 0)) {
76 HiLog::Error(LABEL, "input parameter invalid.");
77 return false;
78 }
79 if (file_ == nullptr) {
80 HiLog::Error(LABEL, "output file is null.");
81 return false;
82 }
83 if (fwrite(buffer, sizeof(uint8_t), size, file_) != size) {
84 HiLog::Error(LABEL, "write %{public}u bytes failed.", size);
85 fclose(file_);
86 file_ = nullptr;
87 return false;
88 }
89 return true;
90 }
91
Flush()92 void FilePackerStream::Flush()
93 {
94 if (file_ != nullptr) {
95 fflush(file_);
96 }
97 }
98
BytesWritten()99 int64_t FilePackerStream::BytesWritten()
100 {
101 return (file_ != nullptr) ? ftell(file_) : 0;
102 }
103 } // namespace Media
104 } // namespace OHOS
105