// This example demonstrates how to start a server and cleanly shut it down
func ExampleShutdown() {
srv := &Server{
Addr: net.JoinHostPort("::", DefaultService),
Writer: format.NewPutval(os.Stdout),
}
srv.ListenAndWriteAsync()
srv.Shutdown()
}
// This example demonstrates how to listen to encrypted network traffic and
// dump it to STDOUT using format.Putval.
func ExampleServer_ListenAndWrite() {
srv := &Server{
Addr: net.JoinHostPort("::", DefaultService),
Writer: format.NewPutval(os.Stdout),
PasswordLookup: NewAuthFile("/etc/collectd/users"),
}
// blocks
log.Fatal(srv.ListenAndWrite())
}
func aggregator() {
// listen on 8097 for collectd data
cserver := &network.Server{
Addr: net.JoinHostPort("localhost", "8097"),
Writer: format.NewPutval(os.Stdout),
}
// blocks
log.Fatal(cserver.ListenAndWrite())
}
// in Go.
package exec // import "collectd.org/exec"
import (
"log"
"os"
"strconv"
"sync"
"time"
"collectd.org/api"
"collectd.org/format"
)
// Putval is the dispatcher used by the exec package to print ValueLists.
var Putval = format.NewPutval(os.Stdout)
type valueCallback struct {
callback func() api.Value
vl api.ValueList
done chan bool
}
type voidCallback struct {
callback func(time.Duration)
interval time.Duration
done chan bool
}
type callback interface {
run(*sync.WaitGroup)