62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
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// Copyright (C) 2014 Space Monkey, 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 spacelog
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import (
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"sync"
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"sync/atomic"
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)
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// Logger is the basic type that allows for logging. A logger has an associated
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// name, given to it during construction, either through a logger collection,
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// GetLogger, GetLoggerNamed, or another Logger's Scope method. A logger also
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// has an associated level and handler, typically configured through the logger
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// collection to which it belongs.
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type Logger struct {
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level LogLevel
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name string
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collection *LoggerCollection
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handler_mtx sync.RWMutex
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handler Handler
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}
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// Scope returns a new Logger with the same level and handler, using the
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// receiver Logger's name as a prefix.
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func (l *Logger) Scope(name string) *Logger {
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return l.collection.getLogger(l.name+"."+name, l.getLevel(),
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l.getHandler())
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}
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func (l *Logger) setLevel(level LogLevel) {
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atomic.StoreInt32((*int32)(&l.level), int32(level))
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}
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func (l *Logger) getLevel() LogLevel {
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return LogLevel(atomic.LoadInt32((*int32)(&l.level)))
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}
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func (l *Logger) setHandler(handler Handler) {
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l.handler_mtx.Lock()
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defer l.handler_mtx.Unlock()
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l.handler = handler
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}
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func (l *Logger) getHandler() Handler {
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l.handler_mtx.RLock()
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defer l.handler_mtx.RUnlock()
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return l.handler
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}
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