forked from cerc-io/plugeth
54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
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// Copyright (c) 2017 Uber Technologies, Inc.
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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 jaeger
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import "log"
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// NB This will be deprecated in 3.0.0, please use jaeger-client-go/log/logger instead.
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// Logger provides an abstract interface for logging from Reporters.
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// Applications can provide their own implementation of this interface to adapt
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// reporters logging to whatever logging library they prefer (stdlib log,
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// logrus, go-logging, etc).
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type Logger interface {
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// Error logs a message at error priority
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Error(msg string)
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// Infof logs a message at info priority
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Infof(msg string, args ...interface{})
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}
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// StdLogger is implementation of the Logger interface that delegates to default `log` package
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var StdLogger = &stdLogger{}
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type stdLogger struct{}
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func (l *stdLogger) Error(msg string) {
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log.Printf("ERROR: %s", msg)
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}
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// Infof logs a message at info priority
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func (l *stdLogger) Infof(msg string, args ...interface{}) {
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log.Printf(msg, args...)
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}
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// NullLogger is implementation of the Logger interface that delegates to default `log` package
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var NullLogger = &nullLogger{}
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type nullLogger struct{}
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func (l *nullLogger) Error(msg string) {}
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func (l *nullLogger) Infof(msg string, args ...interface{}) {}
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