mirror of
https://github.com/nabbar/golib.git
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a9a4d1e7c2
- new package to use/consume CPU / MEM pprof root package - create a file on same location as runable binary to store profile Package HTTPClient - add message function called on each Dial/DialContext call function - function message can be nil Package Server - add generic function for recover message / catching - implement this recovring function into runner StartStop & Ticker Package Logger: - implement generic recovering function into hook - fix bug if instance is an invalid instance of fields or entry
125 lines
2.7 KiB
Go
125 lines
2.7 KiB
Go
/*
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* MIT License
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*
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* Copyright (c) 2022 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 server
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import (
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"bytes"
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"context"
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"fmt"
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"os"
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"runtime"
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"time"
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)
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type FunCheck func() bool
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type FunRun func()
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func RunNbr(max uint8, chk FunCheck, run FunRun) bool {
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var i uint8
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for i = 0; i < max; i++ {
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if chk() {
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return true
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}
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run()
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}
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return chk()
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}
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func RunTick(ctx context.Context, tick, max time.Duration, chk FunCheck, run FunRun) bool {
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var (
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s = time.Now()
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t = time.NewTicker(tick)
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)
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defer t.Stop()
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for {
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select {
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case <-ctx.Done():
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return false
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case <-t.C:
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if chk() {
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return true
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}
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run()
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if time.Since(s) >= max {
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return chk()
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}
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}
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}
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}
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func RecoveryCaller(proc string, rec any, data ...any) {
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if rec == nil {
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return
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}
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var (
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buf = bytes.NewBuffer(make([]byte, 0))
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// Set size to targetFrameIndex+2 to ensure we have room for one more caller than we need.
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pCnt = make([]uintptr, 10, 255)
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nCnt = runtime.Callers(1, pCnt)
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)
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buf.WriteString(fmt.Sprintf("Receoring process '%s': %v\n", proc, rec))
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for _, d := range data {
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buf.WriteString(fmt.Sprintf("%v\n", d))
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}
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if nCnt > 0 {
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var (
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frames = runtime.CallersFrames(pCnt[:nCnt])
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more = true
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lCnt = 0
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)
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for more && lCnt < 10 {
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var frame runtime.Frame
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frame, more = frames.Next()
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if len(frame.File) > 0 {
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buf.WriteString(fmt.Sprintf(" trace #%d => Line: %d - File: %s\n", lCnt, frame.Line, frame.File))
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lCnt++
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} else if len(frame.Function) > 0 {
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buf.WriteString(fmt.Sprintf(" trace #%d => Line: %d - Func: %s\n", lCnt, frame.Line, frame.Function))
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lCnt++
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}
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}
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}
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if buf.Len() > 0 {
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_, _ = fmt.Fprint(os.Stderr, buf.Bytes())
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}
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}
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