forked from goftp/server
61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
// Copyright 2018 The goftp Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package server
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import (
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"fmt"
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"log"
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)
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// Logger represents an interface to record all ftp information and command
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type Logger interface {
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Print(sessionID string, message interface{})
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Printf(sessionID string, format string, v ...interface{})
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PrintCommand(sessionID string, command string, params string)
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PrintResponse(sessionID string, code int, message string)
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}
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// StdLogger use an instance of this to log in a standard format
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type StdLogger struct{}
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// Print impelment Logger
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func (logger *StdLogger) Print(sessionID string, message interface{}) {
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log.Printf("%s %s", sessionID, message)
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}
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// Printf impelment Logger
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func (logger *StdLogger) Printf(sessionID string, format string, v ...interface{}) {
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logger.Print(sessionID, fmt.Sprintf(format, v...))
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}
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// PrintCommand impelment Logger
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func (logger *StdLogger) PrintCommand(sessionID string, command string, params string) {
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if command == "PASS" {
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log.Printf("%s > PASS ****", sessionID)
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} else {
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log.Printf("%s > %s %s", sessionID, command, params)
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}
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}
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// PrintResponse impelment Logger
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func (logger *StdLogger) PrintResponse(sessionID string, code int, message string) {
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log.Printf("%s < %d %s", sessionID, code, message)
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}
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// DiscardLogger represents a silent logger, produces no output
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type DiscardLogger struct{}
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// Print impelment Logger
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func (logger *DiscardLogger) Print(sessionID string, message interface{}) {}
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// Printf impelment Logger
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func (logger *DiscardLogger) Printf(sessionID string, format string, v ...interface{}) {}
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// PrintCommand impelment Logger
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func (logger *DiscardLogger) PrintCommand(sessionID string, command string, params string) {}
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// PrintResponse impelment Logger
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func (logger *DiscardLogger) PrintResponse(sessionID string, code int, message string) {}
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