if ( fraglen > getMaxRecv() ) {
            throw new IOException("Unexpected fragment length: " + fraglen);
        }

        while ( have < fraglen ) {
            int r = this.handle.recv(inB, have, fraglen - have);
            if ( r == 0 ) {
                throw new IOException("Unexpected EOF");
            }
            have += r;
        }

        return have;
    }

}

const (
	TypeDebugPrefix = "istio.io/debug/"
)

func (p *tapProxy) StreamAggregatedResources(downstream DiscoveryStream) error {
	timeout := time.Second * 15
	req, err := downstream.Recv()
	if err != nil {
		log.Errorf("failed to recv: %v", err)
		return err
	}
	if strings.HasPrefix(req.TypeUrl, TypeDebugPrefix) {
		if resp, err := p.xdsProxy.tapRequest(req, timeout); err == nil {
			err := downstream.Send(resp)

			for p := 0; p < P; p++ {
				go func() {
					recv := make(map[int]int)
					for i := 0; i < L; i++ {
						v := <-c
						recv[v] = recv[v] + 1
					}
					done <- recv
				}()
			}
			recv := make(map[int]int)
			for p := 0; p < P; p++ {
				for k, v := range <-done {
					recv[k] = recv[k] + v
				}
			}
			if len(recv) != L {

        /* Unless key returned is null or invalid Transport.loop() always
         * calls doRecv() after and no one else but the transport thread
         * should call doRecv(). Therefore it is ok to expect that the data
         * in sbuf will be preserved for copying into BUF in doRecv().
         */

        return key;
    }

    protected void doSend( Request request ) throws IOException {

	con := &ProxyConnection{
		conID:             connectionNumber.Inc(),
		upstreamError:     make(chan error), // can be produced by recv and send
		downstreamError:   make(chan error), // can be produced by recv and send
		deltaRequestsChan: channels.NewUnbounded[*discovery.DeltaDiscoveryRequest](),

	netSocket      = 1
	netBind        = 2
	netConnect     = 3
	netListen      = 4
	netAccept      = 5
	netGetSockName = 6
	netGetPeerName = 7
	netSocketPair  = 8
	netSend        = 9
	netRecv        = 10
	netSendTo      = 11
	netRecvFrom    = 12
	netShutdown    = 13
	netSetSockOpt  = 14
	netGetSockOpt  = 15
	netSendMsg     = 16
	netRecvMsg     = 17
	netAccept4     = 18
	netRecvMMsg    = 19

      // CHECK-SAME-DAG: _xla_original_oc_node_name =
      // CHECK-SAME-DAG: _xla_token_input_nodes = ["_xla_token_arg_node"]
      %recv = "tf.XlaRecvFromHost"() {key = "if_op_token_recv_key", shape = #tf_type.shape<>} : () -> tensor<f32>

      // CHECK: tf.Yield
      "tf.Yield"(%recv) : (tensor<f32>) -> ()
    }, {
      // CHECK-NOT: _xla_token_input_nodes

// inadvertently copy a lock, by checking whether
// its receiver, parameters, or return values
// are locks.
func checkCopyLocksFunc(pass *analysis.Pass, name string, recv *ast.FieldList, typ *ast.FuncType) {
	if recv != nil && len(recv.List) > 0 {
		expr := recv.List[0].Type
		if path := lockPath(pass.Pkg, pass.TypesInfo.Types[expr].Type, nil); path != nil {
			pass.ReportRangef(expr, "%s passes lock by value: %v", name, path)
		}
	}

	}()

	// Receive first or second connection.
	s, err := recv(ln, true)
	if err != nil {
		t.Fatalf("recv failed: %v", err)
	}
	switch s {
	case "":
		// First connection data is received, let's get second connection data.
	case "abc":
		// First connection is lost forever, but that is ok.
		return
	default:
		t.Fatalf(`"%s" received from recv, but "" or "abc" expected`, s)
	}

	pkg, name, ok := splitDocName(text)
	var recv string
	if ok {
		pkg, recv, _ = splitDocName(pkg)
	}
	if pkg != "" {
		if pkg, ok = d.lookupPkg(pkg); !ok {
			return nil, false
		}
	} else {
		if ok = d.lookupSym(recv, name); !ok {
			return nil, false
		}
	}
	link = &DocLink{
		ImportPath: pkg,
		Recv:       recv,
		Name:       name,
	}
	return link, true
}