func pixelAggHandler(r *http.Request, w http.ResponseWriter, rcvr *receiver.Receiver, cmd aggregator.AggCmd) {
defer func() {
if rc := recover(); rc != nil {
log.Printf("pixelAggHandler: Recovered (this request is dropped): %v", rc)
}
}()
sendPixel(w)
err := r.ParseForm()
if err != nil {
log.Printf("pixelAggHandler: error from ParseForm(): %v", err)
return
}
for name, vals := range r.Form {
// foo.bar.baz=12.345
for _, valStr := range vals {
var val float64
n, _ := fmt.Sscanf(valStr, "%f", &val)
if n < 1 {
log.Printf("PixelAddHandler: error parsing %q", valStr)
return
}
rcvr.QueueAggregatorCommand(aggregator.NewCommand(cmd, misc.SanitizeName(name), val))
}
}
}
// TODO isn't this identical to handleGraphiteTextProtocol?
func handleStatsdTextProtocol(rcvr *receiver.Receiver, conn net.Conn, timeout int) {
defer conn.Close() // decrements graceful.TcpWg
if timeout != 0 {
conn.SetDeadline(time.Now().Add(time.Duration(timeout) * time.Second))
}
// We use the Scanner, becase it has a MaxScanTokenSize of 64K
connbuf := bufio.NewScanner(conn)
for connbuf.Scan() {
if stat, err := statsd.ParseStatsdPacket(connbuf.Text()); err == nil {
rcvr.QueueAggregatorCommand(stat.AggregatorCmd())
} else {
log.Printf("parseStatsdPacket(): %v", err)
}
if timeout != 0 {
conn.SetDeadline(time.Now().Add(time.Duration(timeout) * time.Second))
}
}
if err := connbuf.Err(); err != nil {
if !strings.Contains(err.Error(), "use of closed") {
log.Println("handleStatsdTextProtocol(): Error reading: %v", err)
}
}
}