mirror of
https://github.com/crawlab-team/crawlab.git
synced 2026-01-22 17:31:03 +01:00
45 lines
798 B
Go
45 lines
798 B
Go
package model
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import (
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"crawlab/utils"
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"github.com/apex/log"
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"os"
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"runtime/debug"
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)
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// 获取本地日志
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func GetLocalLog(logPath string) (fileBytes []byte, err error) {
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f, err := os.Open(logPath)
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if err != nil {
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log.Error(err.Error())
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debug.PrintStack()
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return nil, err
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}
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fi, err := f.Stat()
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if err != nil {
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log.Error(err.Error())
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debug.PrintStack()
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return nil, err
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}
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defer utils.Close(f)
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const bufLen = 2 * 1024 * 1024
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logBuf := make([]byte, bufLen)
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off := int64(0)
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if fi.Size() > int64(len(logBuf)) {
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off = fi.Size() - int64(len(logBuf))
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}
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n, err := f.ReadAt(logBuf, off)
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//到文件结尾会有EOF标识
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if err != nil && err.Error() != "EOF" {
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log.Error(err.Error())
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debug.PrintStack()
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return nil, err
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}
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logBuf = logBuf[:n]
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return logBuf, nil
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}
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