author | Mikael Berthe <mikael@lilotux.net> |
Sat, 29 Sep 2018 18:09:54 +0200 | |
changeset 242 | 2a9ec03fe5a1 |
child 256 | 6d9efbef00a9 |
permissions | -rw-r--r-- |
242
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1 |
// Copyright © 2015 Steve Francia <spf@spf13.com>. |
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// Copyright 2013 tsuru authors. All rights reserved. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package mem |
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import ( |
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"bytes" |
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"errors" |
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"io" |
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"os" |
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"path/filepath" |
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"sync" |
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"sync/atomic" |
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) |
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import "time" |
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28 |
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const FilePathSeparator = string(filepath.Separator) |
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type File struct { |
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// atomic requires 64-bit alignment for struct field access |
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at int64 |
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readDirCount int64 |
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closed bool |
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readOnly bool |
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fileData *FileData |
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} |
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39 |
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func NewFileHandle(data *FileData) *File { |
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return &File{fileData: data} |
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} |
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func NewReadOnlyFileHandle(data *FileData) *File { |
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return &File{fileData: data, readOnly: true} |
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} |
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func (f File) Data() *FileData { |
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return f.fileData |
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} |
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type FileData struct { |
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sync.Mutex |
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name string |
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data []byte |
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memDir Dir |
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dir bool |
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mode os.FileMode |
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modtime time.Time |
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} |
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func (d *FileData) Name() string { |
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d.Lock() |
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defer d.Unlock() |
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return d.name |
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} |
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func CreateFile(name string) *FileData { |
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return &FileData{name: name, mode: os.ModeTemporary, modtime: time.Now()} |
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} |
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func CreateDir(name string) *FileData { |
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return &FileData{name: name, memDir: &DirMap{}, dir: true} |
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} |
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func ChangeFileName(f *FileData, newname string) { |
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f.Lock() |
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f.name = newname |
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f.Unlock() |
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} |
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81 |
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func SetMode(f *FileData, mode os.FileMode) { |
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f.Lock() |
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f.mode = mode |
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f.Unlock() |
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} |
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87 |
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func SetModTime(f *FileData, mtime time.Time) { |
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89 |
f.Lock() |
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90 |
setModTime(f, mtime) |
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91 |
f.Unlock() |
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} |
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93 |
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94 |
func setModTime(f *FileData, mtime time.Time) { |
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95 |
f.modtime = mtime |
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} |
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97 |
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98 |
func GetFileInfo(f *FileData) *FileInfo { |
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99 |
return &FileInfo{f} |
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100 |
} |
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101 |
|
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102 |
func (f *File) Open() error { |
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103 |
atomic.StoreInt64(&f.at, 0) |
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104 |
atomic.StoreInt64(&f.readDirCount, 0) |
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105 |
f.fileData.Lock() |
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106 |
f.closed = false |
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107 |
f.fileData.Unlock() |
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108 |
return nil |
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109 |
} |
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110 |
|
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111 |
func (f *File) Close() error { |
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112 |
f.fileData.Lock() |
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113 |
f.closed = true |
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114 |
if !f.readOnly { |
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115 |
setModTime(f.fileData, time.Now()) |
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116 |
} |
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117 |
f.fileData.Unlock() |
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118 |
return nil |
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119 |
} |
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120 |
|
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121 |
func (f *File) Name() string { |
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122 |
return f.fileData.Name() |
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123 |
} |
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124 |
|
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125 |
func (f *File) Stat() (os.FileInfo, error) { |
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126 |
return &FileInfo{f.fileData}, nil |
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127 |
} |
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parents:
diff
changeset
|
128 |
|
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parents:
diff
changeset
|
129 |
func (f *File) Sync() error { |
2a9ec03fe5a1
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parents:
diff
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|
130 |
return nil |
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parents:
diff
changeset
|
131 |
} |
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parents:
diff
changeset
|
132 |
|
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parents:
diff
changeset
|
133 |
func (f *File) Readdir(count int) (res []os.FileInfo, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
134 |
if !f.fileData.dir { |
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parents:
diff
changeset
|
135 |
return nil, &os.PathError{Op: "readdir", Path: f.fileData.name, Err: errors.New("not a dir")} |
2a9ec03fe5a1
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parents:
diff
changeset
|
136 |
} |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
137 |
var outLength int64 |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
138 |
|
2a9ec03fe5a1
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parents:
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changeset
|
139 |
f.fileData.Lock() |
2a9ec03fe5a1
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parents:
diff
changeset
|
140 |
files := f.fileData.memDir.Files()[f.readDirCount:] |
2a9ec03fe5a1
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parents:
diff
changeset
|
141 |
if count > 0 { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
142 |
if len(files) < count { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
143 |
outLength = int64(len(files)) |
2a9ec03fe5a1
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parents:
diff
changeset
|
144 |
} else { |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
145 |
outLength = int64(count) |
2a9ec03fe5a1
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parents:
diff
changeset
|
146 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
147 |
if len(files) == 0 { |
2a9ec03fe5a1
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parents:
diff
changeset
|
148 |
err = io.EOF |
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parents:
diff
changeset
|
149 |
} |
2a9ec03fe5a1
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parents:
diff
changeset
|
150 |
} else { |
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parents:
diff
changeset
|
151 |
outLength = int64(len(files)) |
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parents:
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changeset
|
152 |
} |
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diff
changeset
|
153 |
f.readDirCount += outLength |
2a9ec03fe5a1
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parents:
diff
changeset
|
154 |
f.fileData.Unlock() |
2a9ec03fe5a1
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parents:
diff
changeset
|
155 |
|
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Mikael Berthe <mikael@lilotux.net>
parents:
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changeset
|
156 |
res = make([]os.FileInfo, outLength) |
2a9ec03fe5a1
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parents:
diff
changeset
|
157 |
for i := range res { |
2a9ec03fe5a1
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parents:
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changeset
|
158 |
res[i] = &FileInfo{files[i]} |
2a9ec03fe5a1
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parents:
diff
changeset
|
159 |
} |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
160 |
|
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parents:
diff
changeset
|
161 |
return res, err |
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parents:
diff
changeset
|
162 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
163 |
|
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
164 |
func (f *File) Readdirnames(n int) (names []string, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
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changeset
|
165 |
fi, err := f.Readdir(n) |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
166 |
names = make([]string, len(fi)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
167 |
for i, f := range fi { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
168 |
_, names[i] = filepath.Split(f.Name()) |
2a9ec03fe5a1
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parents:
diff
changeset
|
169 |
} |
2a9ec03fe5a1
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parents:
diff
changeset
|
170 |
return names, err |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
171 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
172 |
|
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
173 |
func (f *File) Read(b []byte) (n int, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
174 |
f.fileData.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
175 |
defer f.fileData.Unlock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
176 |
if f.closed == true { |
2a9ec03fe5a1
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parents:
diff
changeset
|
177 |
return 0, ErrFileClosed |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
178 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
179 |
if len(b) > 0 && int(f.at) == len(f.fileData.data) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
180 |
return 0, io.EOF |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
181 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
182 |
if int(f.at) > len(f.fileData.data) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
183 |
return 0, io.ErrUnexpectedEOF |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
184 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
185 |
if len(f.fileData.data)-int(f.at) >= len(b) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
186 |
n = len(b) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
187 |
} else { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
188 |
n = len(f.fileData.data) - int(f.at) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
189 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
190 |
copy(b, f.fileData.data[f.at:f.at+int64(n)]) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
191 |
atomic.AddInt64(&f.at, int64(n)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
192 |
return |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
193 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
194 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
195 |
func (f *File) ReadAt(b []byte, off int64) (n int, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
196 |
atomic.StoreInt64(&f.at, off) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
197 |
return f.Read(b) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
198 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
199 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
200 |
func (f *File) Truncate(size int64) error { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
201 |
if f.closed == true { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
202 |
return ErrFileClosed |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
203 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
204 |
if f.readOnly { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
205 |
return &os.PathError{Op: "truncate", Path: f.fileData.name, Err: errors.New("file handle is read only")} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
206 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
207 |
if size < 0 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
208 |
return ErrOutOfRange |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
209 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
210 |
if size > int64(len(f.fileData.data)) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
211 |
diff := size - int64(len(f.fileData.data)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
212 |
f.fileData.data = append(f.fileData.data, bytes.Repeat([]byte{00}, int(diff))...) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
213 |
} else { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
214 |
f.fileData.data = f.fileData.data[0:size] |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
215 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
216 |
setModTime(f.fileData, time.Now()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
217 |
return nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
218 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
219 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
220 |
func (f *File) Seek(offset int64, whence int) (int64, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
221 |
if f.closed == true { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
222 |
return 0, ErrFileClosed |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
223 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
224 |
switch whence { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
225 |
case 0: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
226 |
atomic.StoreInt64(&f.at, offset) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
227 |
case 1: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
228 |
atomic.AddInt64(&f.at, int64(offset)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
229 |
case 2: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
230 |
atomic.StoreInt64(&f.at, int64(len(f.fileData.data))+offset) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
231 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
232 |
return f.at, nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
233 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
234 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
235 |
func (f *File) Write(b []byte) (n int, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
236 |
if f.readOnly { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
237 |
return 0, &os.PathError{Op: "write", Path: f.fileData.name, Err: errors.New("file handle is read only")} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
238 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
239 |
n = len(b) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
240 |
cur := atomic.LoadInt64(&f.at) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
241 |
f.fileData.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
242 |
defer f.fileData.Unlock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
243 |
diff := cur - int64(len(f.fileData.data)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
244 |
var tail []byte |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
245 |
if n+int(cur) < len(f.fileData.data) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
246 |
tail = f.fileData.data[n+int(cur):] |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
247 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
248 |
if diff > 0 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
249 |
f.fileData.data = append(bytes.Repeat([]byte{00}, int(diff)), b...) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
250 |
f.fileData.data = append(f.fileData.data, tail...) |
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251 |
} else { |
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252 |
f.fileData.data = append(f.fileData.data[:cur], b...) |
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253 |
f.fileData.data = append(f.fileData.data, tail...) |
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254 |
} |
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255 |
setModTime(f.fileData, time.Now()) |
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256 |
|
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257 |
atomic.StoreInt64(&f.at, int64(len(f.fileData.data))) |
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258 |
return |
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259 |
} |
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260 |
|
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261 |
func (f *File) WriteAt(b []byte, off int64) (n int, err error) { |
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262 |
atomic.StoreInt64(&f.at, off) |
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263 |
return f.Write(b) |
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264 |
} |
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265 |
|
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266 |
func (f *File) WriteString(s string) (ret int, err error) { |
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267 |
return f.Write([]byte(s)) |
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268 |
} |
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269 |
|
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270 |
func (f *File) Info() *FileInfo { |
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271 |
return &FileInfo{f.fileData} |
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272 |
} |
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273 |
|
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274 |
type FileInfo struct { |
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275 |
*FileData |
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276 |
} |
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277 |
|
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278 |
// Implements os.FileInfo |
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279 |
func (s *FileInfo) Name() string { |
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280 |
s.Lock() |
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281 |
_, name := filepath.Split(s.name) |
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282 |
s.Unlock() |
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283 |
return name |
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284 |
} |
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285 |
func (s *FileInfo) Mode() os.FileMode { |
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286 |
s.Lock() |
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287 |
defer s.Unlock() |
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288 |
return s.mode |
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289 |
} |
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290 |
func (s *FileInfo) ModTime() time.Time { |
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291 |
s.Lock() |
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292 |
defer s.Unlock() |
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293 |
return s.modtime |
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294 |
} |
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295 |
func (s *FileInfo) IsDir() bool { |
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296 |
s.Lock() |
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297 |
defer s.Unlock() |
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298 |
return s.dir |
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299 |
} |
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300 |
func (s *FileInfo) Sys() interface{} { return nil } |
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301 |
func (s *FileInfo) Size() int64 { |
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302 |
if s.IsDir() { |
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303 |
return int64(42) |
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304 |
} |
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|
305 |
s.Lock() |
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|
306 |
defer s.Unlock() |
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307 |
return int64(len(s.data)) |
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308 |
} |
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309 |
|
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310 |
var ( |
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311 |
ErrFileClosed = errors.New("File is closed") |
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312 |
ErrOutOfRange = errors.New("Out of range") |
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313 |
ErrTooLarge = errors.New("Too large") |
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314 |
ErrFileNotFound = os.ErrNotExist |
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315 |
ErrFileExists = os.ErrExist |
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316 |
ErrDestinationExists = os.ErrExist |
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317 |
) |