mirror of
https://github.com/Luzifer/twitch-bot.git
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56 lines
981 B
Go
56 lines
981 B
Go
package main
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import (
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"os"
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"time"
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log "github.com/sirupsen/logrus"
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)
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const configChangeCheckInterval = time.Second
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type configChangeEvent uint8
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const (
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configChangeEventUnkown configChangeEvent = iota
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configChangeEventNotExist
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configChangeEventModified
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)
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func watchConfigChanges(filename string, evt chan configChangeEvent) {
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var (
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available bool
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initialized bool
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size int64
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modTime time.Time
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)
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for range time.NewTicker(configChangeCheckInterval).C {
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info, err := os.Stat(filename)
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switch {
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case err == nil:
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// Fine
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case os.IsNotExist(err):
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if available {
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evt <- configChangeEventNotExist
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}
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available = false
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continue
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default:
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log.WithError(err).Error("Failed to get config stat")
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continue
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}
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if initialized && (info.Size() != size || !info.ModTime().Equal(modTime)) {
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evt <- configChangeEventModified
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}
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available = true
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initialized = true
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size = info.Size()
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modTime = info.ModTime()
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}
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}
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