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47 lines
1.9 KiB
Go
47 lines
1.9 KiB
Go
// Copyright 2018 The etcd Authors
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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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//
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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 logutil
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import (
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"log"
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"google.golang.org/grpc/grpclog"
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)
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// assert that "discardLogger" satisfy "Logger" interface
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var _ Logger = &discardLogger{}
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// NewDiscardLogger returns a new Logger that discards everything except "fatal".
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func NewDiscardLogger() Logger { return &discardLogger{} }
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type discardLogger struct{}
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func (l *discardLogger) Info(args ...interface{}) {}
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func (l *discardLogger) Infoln(args ...interface{}) {}
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func (l *discardLogger) Infof(format string, args ...interface{}) {}
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func (l *discardLogger) Warning(args ...interface{}) {}
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func (l *discardLogger) Warningln(args ...interface{}) {}
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func (l *discardLogger) Warningf(format string, args ...interface{}) {}
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func (l *discardLogger) Error(args ...interface{}) {}
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func (l *discardLogger) Errorln(args ...interface{}) {}
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func (l *discardLogger) Errorf(format string, args ...interface{}) {}
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func (l *discardLogger) Fatal(args ...interface{}) { log.Fatal(args...) }
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func (l *discardLogger) Fatalln(args ...interface{}) { log.Fatalln(args...) }
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func (l *discardLogger) Fatalf(format string, args ...interface{}) { log.Fatalf(format, args...) }
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func (l *discardLogger) V(lvl int) bool {
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return false
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}
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func (l *discardLogger) Lvl(lvl int) grpclog.LoggerV2 { return l }
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