61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
// Copyright 2019 dfuse Platform 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 zapbox
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import (
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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// WithLevel returns a new context derived from ctx
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// that has a logger that only logs messages at or above
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// the given level.
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//
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// *Important!* This does not work with all underlying core
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// implementation. See https://github.com/uber-go/zap/issues/581#issuecomment-600641485
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// for details.
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func WithLevel(level zapcore.Level) zap.Option {
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return zap.WrapCore(func(core zapcore.Core) zapcore.Core {
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return &coreWithLevel{
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Core: core,
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level: level,
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}
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})
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}
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type coreWithLevel struct {
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zapcore.Core
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level zapcore.Level
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}
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func (c *coreWithLevel) Enabled(level zapcore.Level) bool {
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return c.level.Enabled(level)
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}
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func (c *coreWithLevel) Check(e zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry {
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if !c.level.Enabled(e.Level) {
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return ce
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}
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return ce.AddCore(e, c.Core)
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}
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func (c *coreWithLevel) With(fields []zap.Field) zapcore.Core {
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return &coreWithLevel{
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Core: c.Core.With(fields),
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level: c.level,
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}
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}
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