mirror of
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81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
/*
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* This file is subject to the terms and conditions defined in
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* file 'LICENSE.md', which is part of this source code package.
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*/
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package common
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import (
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"fmt"
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"path/filepath"
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"runtime"
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)
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type Logger interface {
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Error(format string, args ...interface{})
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Warning(format string, args ...interface{})
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Notice(format string, args ...interface{})
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Info(format string, args ...interface{})
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Debug(format string, args ...interface{})
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}
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// Dummy Logger does nothing.
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type DummyLogger struct{}
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func (this DummyLogger) Error(format string, args ...interface{}) {
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}
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func (this DummyLogger) Warning(format string, args ...interface{}) {
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}
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func (this DummyLogger) Notice(format string, args ...interface{}) {
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}
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func (this DummyLogger) Info(format string, args ...interface{}) {
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}
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func (this DummyLogger) Debug(format string, args ...interface{}) {
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}
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// Simple Console Logger that the tests use.
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type ConsoleLogger struct{}
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func (this ConsoleLogger) Error(format string, args ...interface{}) {
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this.output("[ERROR] ", format, args...)
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}
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func (this ConsoleLogger) Warning(format string, args ...interface{}) {
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this.output("[WARNING] ", format, args...)
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}
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func (this ConsoleLogger) Notice(format string, args ...interface{}) {
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this.output("[NOTICE] ", format, args...)
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}
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func (this ConsoleLogger) Info(format string, args ...interface{}) {
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this.output("[INFO] ", format, args...)
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}
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func (this ConsoleLogger) Debug(format string, args ...interface{}) {
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this.output("[DEBUG] ", format, args...)
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}
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func (this ConsoleLogger) output(prefix, format string, args ...interface{}) {
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_, file, line, ok := runtime.Caller(3)
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if !ok {
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file = "???"
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line = 0
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} else {
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file = filepath.Base(file)
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}
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src := fmt.Sprintf("%s:%d %s", file, line, prefix) + format + "\n"
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fmt.Printf(src, args...)
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}
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var Log Logger = DummyLogger{}
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func SetLogger(logger Logger) {
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Log = logger
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fmt.Printf("SetLogger: logger=%+v\n", logger)
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}
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