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ping.go
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ping.go
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package tasks
import (
"runtime"
"time"
"github.com/connectorjs/evcm/util"
ping "github.com/prometheus-community/pro-bing"
)
const Ping TaskType = "ping"
func init() {
registry.Add(Ping, PingHandlerFactory)
}
func PingHandlerFactory(conf map[string]interface{}) (TaskHandler, error) {
handler := PingHandler{
Count: 1,
Timeout: timeout,
}
err := util.DecodeOther(conf, &handler)
return &handler, err
}
type PingHandler struct {
Count int
Timeout time.Duration
}
func (h *PingHandler) Test(log *util.Logger, in ResultDetails) []ResultDetails {
pinger, err := ping.NewPinger(in.IP)
if err != nil {
panic(err)
}
if runtime.GOOS == "windows" {
pinger.Size = 548 // https://github.com/go-ping/ping/issues/168
pinger.SetPrivileged(true)
}
pinger.Count = h.Count
pinger.Timeout = h.Timeout
if err = pinger.Run(); err != nil {
log.FATAL.Println("ping:", err)
if runtime.GOOS != "windows" {
log.FATAL.Println("")
log.FATAL.Println("In order to run evcm in discovery mode, make sure to allow ping:")
log.FATAL.Println("")
log.FATAL.Println(" sudo sysctl -w net.ipv4.ping_group_range=\"0 2147483647\"")
}
log.FATAL.Fatalln("")
}
stat := pinger.Statistics()
if stat.PacketsRecv == 0 {
return nil
}
return []ResultDetails{in}
}