mirror of
https://github.com/nabbar/golib.git
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7eda9dbf0e
- fix buffer wrtting / cleanning - add recovery to catch fatal error Package Server : - add recovery to catch fatal error Package Status : - add IsHealthy function with cache value to prevent checking monitor on all call Bump dependencies
120 lines
2.8 KiB
Go
120 lines
2.8 KiB
Go
/***********************************************************************************************************************
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*
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* MIT License
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*
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* Copyright (c) 2021 Nicolas JUHEL
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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**********************************************************************************************************************/
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package hooksyslog
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import (
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"context"
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"fmt"
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"os"
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"sync"
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"time"
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)
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func (o *hks) Run(ctx context.Context) {
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var (
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s Wrapper
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w = sync.WaitGroup{}
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e error
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)
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defer func() {
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if rec := recover(); rec != nil {
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_, _ = fmt.Fprintf(os.Stderr, "recovering panic thread.\n%v\n", rec)
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}
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if s != nil {
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w.Wait()
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_ = s.Close()
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}
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}()
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for {
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if s, e = o.getSyslog(); e != nil {
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fmt.Println(e.Error())
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} else {
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break
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}
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time.Sleep(time.Second)
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}
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o.prepareChan()
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fmt.Printf("starting hook for log syslog '%s'\n", o.getSyslogInfo())
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for {
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select {
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case <-ctx.Done():
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return
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case <-o.Done():
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return
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case i := <-o.Data():
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w.Add(1)
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go o.writeWrapper(s, i, w.Done)
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}
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}
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}
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func (o *hks) writeWrapper(w Wrapper, d data, done func()) {
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var err error
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defer func() {
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if rec := recover(); rec != nil {
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_, _ = fmt.Fprintf(os.Stderr, "recovering panic thread.\n%v\n", rec)
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}
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done()
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}()
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if w == nil {
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return
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} else if len(d.p) < 1 {
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return
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}
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switch d.s {
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case SyslogSeverityAlert:
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_, err = w.Panic(d.p)
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case SyslogSeverityCrit:
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_, err = w.Fatal(d.p)
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case SyslogSeverityErr:
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_, err = w.Error(d.p)
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case SyslogSeverityWarning:
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_, err = w.Warning(d.p)
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case SyslogSeverityInfo:
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_, err = w.Info(d.p)
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case SyslogSeverityDebug:
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_, err = w.Debug(d.p)
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default:
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_, err = w.Write(d.p)
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}
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if err != nil {
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fmt.Println(err.Error())
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}
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}
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