mirror of https://github.com/ouqiang/gocron
83 lines
2.6 KiB
Go
83 lines
2.6 KiB
Go
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// Copyright (c) 2012 - Cloud Instruments Co., Ltd.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package seelog
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import (
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"errors"
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"time"
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)
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// asyncTimerLogger represents asynchronous logger which processes the log queue each
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// 'duration' nanoseconds
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type asyncTimerLogger struct {
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asyncLogger
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interval time.Duration
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}
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// NewAsyncLoopLogger creates a new asynchronous loop logger
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func NewAsyncTimerLogger(config *logConfig, interval time.Duration) (*asyncTimerLogger, error) {
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if interval <= 0 {
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return nil, errors.New("async logger interval should be > 0")
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}
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asnTimerLogger := new(asyncTimerLogger)
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asnTimerLogger.asyncLogger = *newAsyncLogger(config)
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asnTimerLogger.interval = interval
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go asnTimerLogger.processQueue()
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return asnTimerLogger, nil
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}
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func (asnTimerLogger *asyncTimerLogger) processItem() (closed bool) {
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asnTimerLogger.queueHasElements.L.Lock()
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defer asnTimerLogger.queueHasElements.L.Unlock()
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for asnTimerLogger.msgQueue.Len() == 0 && !asnTimerLogger.Closed() {
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asnTimerLogger.queueHasElements.Wait()
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}
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if asnTimerLogger.Closed() {
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return true
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}
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asnTimerLogger.processQueueElement()
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return false
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}
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func (asnTimerLogger *asyncTimerLogger) processQueue() {
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for !asnTimerLogger.Closed() {
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closed := asnTimerLogger.processItem()
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if closed {
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break
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}
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<-time.After(asnTimerLogger.interval)
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}
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}
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