diff options
Diffstat (limited to 'watchdog.go')
| -rw-r--r-- | watchdog.go | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/watchdog.go b/watchdog.go new file mode 100644 index 0000000..155c79d --- /dev/null +++ b/watchdog.go @@ -0,0 +1,64 @@ +package main + +import ( + "fmt" + "os" + "time" + + "go.wit.com/log" +) + +// scan hypervisors every i seconds +func (h *HyperT) NewWatchdog() { + var delay int = 99 + var i int = delay + h.MyTicker(h.Delay, "new Watchdog() "+h.Hostname, func() { + i += 1 + // check if the env var is set to autoscan + if os.Getenv("WATCHDOG_AUTO_SCAN") != "true" { + if i < delay { + i = delay + } + // print every 'delay' seconds + if i%delay == 0 { + log.Info("Not auto scanning", i, "WATCHDOG_AUTO_SCAN =", os.Getenv("WATCHDOG_AUTO_SCAN")) + } + return + } + if i < delay { + return + } + i = 0 + }) +} + +// timeFunction takes a function as an argument and returns the execution time. +func TimeFunction(f func()) time.Duration { + startTime := time.Now() // Record the start time + f() // Execute the function + return time.Since(startTime) // Calculate the elapsed time +} + +func (h *HyperT) MyTicker(t time.Duration, name string, f func()) { + h.Dog = time.NewTicker(t) + defer h.Dog.Stop() + done := make(chan bool) + /* + // this example would exit/destroy the ticker in 10 seconds + go func() { + time.Sleep(10 * time.Second) + done <- true + }() + */ + for { + select { + case <-done: + fmt.Println("Done!") + return + case t := <-h.Dog.C: + log.Info(name, "Current time: ", t) + h.Scan() + // f() + } + } +} |
