func main() {
target_addr := flag.String("target", default_target, "The partner to exchange latency measurement packets with")
local_addr := protocols.ParseServerFlags("0.0.0.0", 6060)
server, err := NewServer(local_addr)
golib.Checkerr(err)
client, err := NewClientFor(*target_addr)
golib.Checkerr(err)
measureLatency := golib.NewLoopTask("sending latency packets", func(stop golib.StopChan) {
err := client.SendMeasureLatency()
if err != nil {
log.Println("Error sending Latency packet:", err)
}
select {
case <-time.After(1 * time.Second):
case <-stop:
}
})
log.Println("Listening to Latency on " + local_addr + ", sending to: " + *target_addr)
log.Println("Press Ctrl-C to close")
golib.NewTaskGroup(
server, measureLatency,
&golib.NoopTask{golib.ExternalInterrupt(), "external interrupt"},
).WaitAndExit()
}
func printStatistics() {
agg := make(stats.AggregatedStats, 0, 10)
for _, stats := range statistics {
agg.Aggregate(stats)
}
if running_average {
agg.Start()
}
tasks.AddNamed("stats",
golib.NewLoopTask("printing statistics", func(stop golib.StopChan) {
agg.Flush(3)
fmt.Printf("==============\n%s", agg.String())
select {
case <-time.After(time.Second):
case <-stop:
}
}))
}
func (session *streamSession) Tasks() []golib.Task {
errors1 := session.rtpProxy.WriteErrors()
errors2 := session.rtcpProxy.WriteErrors()
return []golib.Task{
session.rtpProxy,
session.rtcpProxy,
session.backend,
golib.NewLoopTask("printing proxy errors", func(stop golib.StopChan) {
select {
case err := <-errors1:
session.proxy.LogError(fmt.Errorf("RTP %v write error: %v", session.rtpProxy, err))
case err := <-errors2:
session.proxy.LogError(fmt.Errorf("RTCP %v write error: %v", session.rtcpProxy, err))
case <-stop:
}
}),
}
}