67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package background
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import (
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"fmt"
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"runtime"
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"time"
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"git.fjla.uk/owlboard/timetable-mgr/cif"
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"git.fjla.uk/owlboard/timetable-mgr/corpus"
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"git.fjla.uk/owlboard/timetable-mgr/helpers"
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"git.fjla.uk/owlboard/timetable-mgr/log"
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)
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const frequency = 2 * time.Hour // Figure out a sensible frequency!
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// Starts a background ticker to run background tasks. Uses the frequency configured in the background/ticker.go file
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func InitTicker(cfg *helpers.Configuration, stop <-chan struct{}) {
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go runTicker(cfg, stop)
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// Run goroutine logging ticker if runtime set to debug
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if helpers.Runtime == "debug" {
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go goroutineTicker(stop)
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}
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}
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// Runs the ticker and handles tick events
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func runTicker(cfg *helpers.Configuration, stop <-chan struct{}) {
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log.Msg.Sugar().Infof("Starting background ticker, runs every %s", frequency)
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ticker := time.NewTicker(frequency)
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defer ticker.Stop()
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for {
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select {
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case <-stop:
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return
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case <-ticker.C:
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go cif.CheckCif(cfg)
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go corpus.CheckCorpus(cfg)
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}
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}
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}
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// Starts a ticker that logs how many goroutines are running every two seconds
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func goroutineTicker(stop <-chan struct{}) {
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log.Msg.Warn("Starting goroutine Tracker ticker - DEBUG USE ONLY")
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ticker := time.NewTicker(1000 * time.Millisecond)
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defer ticker.Stop()
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for {
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select {
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case <-stop:
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return
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case <-ticker.C:
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debugLog()
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}
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}
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}
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func debugLog() {
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var memStats runtime.MemStats
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runtime.ReadMemStats(&memStats)
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goroutines := runtime.NumGoroutine()
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fmt.Printf("\nNumber of goroutines: %d\n", goroutines)
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fmt.Printf("Heap Allocated memory: %2f MB\n\n", float64(memStats.HeapAlloc)/(1024*1024))
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}
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