46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
package sftp
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import (
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"io"
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"os"
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)
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// Interfaces are differentiated based on required returned values.
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// All input arguments are to be pulled from Request (the only arg).
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// FileReader should return an io.ReaderAt for the filepath
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// Note in cases of an error, the error text will be sent to the client.
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type FileReader interface {
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Fileread(*Request) (io.ReaderAt, error)
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}
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// FileWriter should return an io.WriterAt for the filepath.
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//
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// The request server code will call Close() on the returned io.WriterAt
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// ojbect if an io.Closer type assertion succeeds.
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// Note in cases of an error, the error text will be sent to the client.
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type FileWriter interface {
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Filewrite(*Request) (io.WriterAt, error)
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}
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// FileCmder should return an error
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// Note in cases of an error, the error text will be sent to the client.
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type FileCmder interface {
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Filecmd(*Request) error
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}
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// FileLister should return an object that fulfils the ListerAt interface
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// Note in cases of an error, the error text will be sent to the client.
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type FileLister interface {
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Filelist(*Request) (ListerAt, error)
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}
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// ListerAt does for file lists what io.ReaderAt does for files.
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// ListAt should return the number of entries copied and an io.EOF
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// error if at end of list. This is testable by comparing how many you
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// copied to how many could be copied (eg. n < len(ls) below).
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// The copy() builtin is best for the copying.
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// Note in cases of an error, the error text will be sent to the client.
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type ListerAt interface {
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ListAt([]os.FileInfo, int64) (int, error)
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}
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