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82 lines
3.0 KiB
Go
82 lines
3.0 KiB
Go
package vfscommon
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import (
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"os"
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"runtime"
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"time"
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"github.com/rclone/rclone/fs"
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)
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// Options is options for creating the vfs
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type Options struct {
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NoSeek bool // don't allow seeking if set
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NoChecksum bool // don't check checksums if set
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ReadOnly bool // if set VFS is read only
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NoModTime bool // don't read mod times for files
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DirCacheTime time.Duration // how long to consider directory listing cache valid
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Refresh bool // refreshes the directory listing recursively on start
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PollInterval time.Duration
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Umask int
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UID uint32
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GID uint32
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DirPerms os.FileMode
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FilePerms os.FileMode
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ChunkSize fs.SizeSuffix // if > 0 read files in chunks
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ChunkSizeLimit fs.SizeSuffix // if > ChunkSize double the chunk size after each chunk until reached
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CacheMode CacheMode
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CacheMaxAge time.Duration
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CacheMaxSize fs.SizeSuffix
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CacheMinFreeSpace fs.SizeSuffix
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CachePollInterval time.Duration
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CaseInsensitive bool
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WriteWait time.Duration // time to wait for in-sequence write
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ReadWait time.Duration // time to wait for in-sequence read
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WriteBack time.Duration // time to wait before writing back dirty files
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ReadAhead fs.SizeSuffix // bytes to read ahead in cache mode "full"
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UsedIsSize bool // if true, use the `rclone size` algorithm for Used size
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FastFingerprint bool // if set use fast fingerprints
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DiskSpaceTotalSize fs.SizeSuffix
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}
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// DefaultOpt is the default values uses for Opt
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var DefaultOpt = Options{
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NoModTime: false,
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NoChecksum: false,
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NoSeek: false,
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DirCacheTime: 5 * 60 * time.Second,
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Refresh: false,
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PollInterval: time.Minute,
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ReadOnly: false,
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Umask: 0,
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UID: ^uint32(0), // these values instruct WinFSP-FUSE to use the current user
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GID: ^uint32(0), // overridden for non windows in mount_unix.go
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DirPerms: os.FileMode(0777),
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FilePerms: os.FileMode(0666),
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CacheMode: CacheModeOff,
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CacheMaxAge: 3600 * time.Second,
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CachePollInterval: 60 * time.Second,
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ChunkSize: 128 * fs.Mebi,
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ChunkSizeLimit: -1,
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CacheMaxSize: -1,
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CacheMinFreeSpace: -1,
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CaseInsensitive: runtime.GOOS == "windows" || runtime.GOOS == "darwin", // default to true on Windows and Mac, false otherwise
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WriteWait: 1000 * time.Millisecond,
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ReadWait: 20 * time.Millisecond,
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WriteBack: 5 * time.Second,
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ReadAhead: 0 * fs.Mebi,
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UsedIsSize: false,
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DiskSpaceTotalSize: -1,
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}
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// Init the options, making sure everything is within range
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func (opt *Options) Init() {
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// Mask the permissions with the umask
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opt.DirPerms &= ^os.FileMode(opt.Umask)
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opt.FilePerms &= ^os.FileMode(opt.Umask)
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// Make sure directories are returned as directories
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opt.DirPerms |= os.ModeDir
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}
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