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
18 #include <cerrno>
19
20 #include "directory_ex.h"
21 #include "image_log.h"
22 #include "image_utils.h"
23
24 #undef LOG_DOMAIN
25 #define LOG_DOMAIN LOG_TAG_DOMAIN_ID_IMAGE
26
27 #undef LOG_TAG
28 #define LOG_TAG "FilePackerStream"
29
30 namespace OHOS {
31 namespace Media {
32
FilePackerStream(const std::string & filePath)33 FilePackerStream::FilePackerStream(const std::string &filePath)
34 {
35 int lastSlash = static_cast<int>(filePath.rfind("/"));
36 std::string dirPath;
37 std::string fileName;
38 if (lastSlash >= 0) {
39 dirPath = ExtractFilePath(filePath);
40 fileName = ExtractFileName(filePath);
41 } else {
42 dirPath = "";
43 fileName = filePath;
44 }
45 std::string realPath;
46 if (!ImageUtils::PathToRealPath(dirPath, realPath)) {
47 file_ = nullptr;
48 IMAGE_LOGE("convert to real path failed.");
49 return;
50 }
51
52 if (!ForceCreateDirectory(realPath)) {
53 file_ = nullptr;
54 IMAGE_LOGE("create directory failed.");
55 return;
56 }
57
58 std::string fullPath = realPath + "/" + fileName;
59 file_ = fopen(fullPath.c_str(), "wb");
60 if (file_ == nullptr) {
61 IMAGE_LOGE("fopen file failed, error:%{public}d", errno);
62 return;
63 }
64 }
FilePackerStream(const int fd)65 FilePackerStream::FilePackerStream(const int fd)
66 {
67 int dupFd = dup(fd);
68 if (dupFd < 0) {
69 IMAGE_LOGE("[FilePackerStream]Fail to dup fd.");
70 return;
71 }
72
73 file_ = fdopen(dupFd, "wb");
74 if (file_ == nullptr) {
75 IMAGE_LOGE("[FilePackerStream]open file fail. error:%{public}d", errno);
76 }
77 }
~FilePackerStream()78 FilePackerStream::~FilePackerStream()
79 {
80 if (file_ != nullptr) {
81 fclose(file_);
82 file_ = nullptr;
83 }
84 }
85
Write(const uint8_t * buffer,uint32_t size)86 bool FilePackerStream::Write(const uint8_t *buffer, uint32_t size)
87 {
88 if ((buffer == nullptr) || (size == 0)) {
89 IMAGE_LOGE("input parameter invalid.");
90 return false;
91 }
92 if (file_ == nullptr) {
93 IMAGE_LOGE("output file is null.");
94 return false;
95 }
96 if (fwrite(buffer, sizeof(uint8_t), size, file_) != size) {
97 IMAGE_LOGE("write %{public}u bytes failed. error:%{public}d", size, errno);
98 fclose(file_);
99 file_ = nullptr;
100 return false;
101 }
102 return true;
103 }
104
Flush()105 void FilePackerStream::Flush()
106 {
107 if (file_ != nullptr) {
108 fflush(file_);
109 }
110 }
111
BytesWritten()112 int64_t FilePackerStream::BytesWritten()
113 {
114 return (file_ != nullptr) ? ftell(file_) : 0;
115 }
116
GetType()117 ImagePlugin::OutputStreamType FilePackerStream::GetType()
118 {
119 return ImagePlugin::OutputStreamType::FILE_PACKER;
120 }
121
GetFd()122 int FilePackerStream::GetFd()
123 {
124 return fileno(file_);
125 }
126 } // namespace Media
127 } // namespace OHOS
128