1 files changed, 0 insertions, 204 deletions
diff --git a/test/packetimpact/testbench/rawsockets.go b/test/packetimpact/testbench/rawsockets.go
deleted file mode 100644
index 32be06ac4..000000000
--- a/test/packetimpact/testbench/rawsockets.go
+++ /dev/null
@@ -1,204 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package testbench
-
-import (
-	"encoding/binary"
-	"fmt"
-	"net"
-	"testing"
-	"time"
-
-	"golang.org/x/sys/unix"
-	"gvisor.dev/gvisor/pkg/hostarch"
-)
-
-// Sniffer can sniff raw packets on the wire.
-type Sniffer struct {
-	fd int
-}
-
-func htons(x uint16) uint16 {
-	buf := [2]byte{}
-	binary.BigEndian.PutUint16(buf[:], x)
-	return hostarch.ByteOrder.Uint16(buf[:])
-}
-
-// NewSniffer creates a Sniffer connected to *device.
-func (n *DUTTestNet) NewSniffer(t *testing.T) (Sniffer, error) {
-	t.Helper()
-
-	ifInfo, err := net.InterfaceByName(n.LocalDevName)
-	if err != nil {
-		return Sniffer{}, err
-	}
-
-	var haddr [8]byte
-	copy(haddr[:], ifInfo.HardwareAddr)
-	sa := unix.SockaddrLinklayer{
-		Protocol: htons(unix.ETH_P_ALL),
-		Ifindex:  ifInfo.Index,
-	}
-	snifferFd, err := unix.Socket(unix.AF_PACKET, unix.SOCK_RAW, int(htons(unix.ETH_P_ALL)))
-	if err != nil {
-		return Sniffer{}, err
-	}
-	if err := unix.Bind(snifferFd, &sa); err != nil {
-		return Sniffer{}, err
-	}
-	if err := unix.SetsockoptInt(snifferFd, unix.SOL_SOCKET, unix.SO_RCVBUF, 1e7); err != nil {
-		t.Fatalf("can't setsockopt SO_RCVBUF to 10M: %s", err)
-	}
-	return Sniffer{
-		fd: snifferFd,
-	}, nil
-}
-
-// maxReadSize should be large enough for the maximum frame size in bytes. If a
-// packet too large for the buffer arrives, the test will get a fatal error.
-const maxReadSize int = 65536
-
-// Recv tries to read one frame until the timeout is up. If the timeout given
-// is 0, then no read attempt will be made.
-func (s *Sniffer) Recv(t *testing.T, timeout time.Duration) []byte {
-	t.Helper()
-
-	deadline := time.Now().Add(timeout)
-	for {
-		timeout = time.Until(deadline)
-		if timeout <= 0 {
-			return nil
-		}
-		usec := timeout.Microseconds()
-		if usec == 0 {
-			// Timeout is less than a microsecond; set usec to 1 to avoid
-			// blocking indefinitely.
-			usec = 1
-		}
-		const microsInOne = 1e6
-		tv := unix.Timeval{
-			Sec:  usec / microsInOne,
-			Usec: usec % microsInOne,
-		}
-		if err := unix.SetsockoptTimeval(s.fd, unix.SOL_SOCKET, unix.SO_RCVTIMEO, &tv); err != nil {
-			t.Fatalf("can't setsockopt SO_RCVTIMEO: %s", err)
-		}
-
-		buf := make([]byte, maxReadSize)
-		nread, _, err := unix.Recvfrom(s.fd, buf, unix.MSG_TRUNC)
-		if err == unix.EINTR || err == unix.EAGAIN {
-			// There was a timeout.
-			continue
-		}
-		if err != nil {
-			t.Fatalf("can't read: %s", err)
-		}
-		if nread > maxReadSize {
-			t.Fatalf("received a truncated frame of %d bytes, want at most %d bytes", nread, maxReadSize)
-		}
-		return buf[:nread]
-	}
-}
-
-// Drain drains the Sniffer's socket receive buffer by receiving until there's
-// nothing else to receive.
-func (s *Sniffer) Drain(t *testing.T) {
-	t.Helper()
-
-	flags, err := unix.FcntlInt(uintptr(s.fd), unix.F_GETFL, 0)
-	if err != nil {
-		t.Fatalf("failed to get sniffer socket fd flags: %s", err)
-	}
-	nonBlockingFlags := flags | unix.O_NONBLOCK
-	if _, err := unix.FcntlInt(uintptr(s.fd), unix.F_SETFL, nonBlockingFlags); err != nil {
-		t.Fatalf("failed to make sniffer socket non-blocking with flags %b: %s", nonBlockingFlags, err)
-	}
-	for {
-		buf := make([]byte, maxReadSize)
-		_, _, err := unix.Recvfrom(s.fd, buf, unix.MSG_TRUNC)
-		if err == unix.EINTR || err == unix.EAGAIN || err == unix.EWOULDBLOCK {
-			break
-		}
-	}
-	if _, err := unix.FcntlInt(uintptr(s.fd), unix.F_SETFL, flags); err != nil {
-		t.Fatalf("failed to restore sniffer socket fd flags to %b: %s", flags, err)
-	}
-}
-
-// close the socket that Sniffer is using.
-func (s *Sniffer) close() error {
-	if err := unix.Close(s.fd); err != nil {
-		return fmt.Errorf("can't close sniffer socket: %w", err)
-	}
-	s.fd = -1
-	return nil
-}
-
-// Injector can inject raw frames.
-type Injector struct {
-	fd int
-}
-
-// NewInjector creates a new injector on *device.
-func (n *DUTTestNet) NewInjector(t *testing.T) (Injector, error) {
-	t.Helper()
-
-	ifInfo, err := net.InterfaceByName(n.LocalDevName)
-	if err != nil {
-		return Injector{}, err
-	}
-
-	var haddr [8]byte
-	copy(haddr[:], ifInfo.HardwareAddr)
-	sa := unix.SockaddrLinklayer{
-		Protocol: htons(unix.ETH_P_IP),
-		Ifindex:  ifInfo.Index,
-		Halen:    uint8(len(ifInfo.HardwareAddr)),
-		Addr:     haddr,
-	}
-
-	injectFd, err := unix.Socket(unix.AF_PACKET, unix.SOCK_RAW, int(htons(unix.ETH_P_ALL)))
-	if err != nil {
-		return Injector{}, err
-	}
-	if err := unix.Bind(injectFd, &sa); err != nil {
-		return Injector{}, err
-	}
-	return Injector{
-		fd: injectFd,
-	}, nil
-}
-
-// Send a raw frame.
-func (i *Injector) Send(t *testing.T, b []byte) {
-	t.Helper()
-
-	n, err := unix.Write(i.fd, b)
-	if err != nil {
-		t.Fatalf("can't write bytes of len %d: %s", len(b), err)
-	}
-	if n != len(b) {
-		t.Fatalf("got %d bytes written, want %d", n, len(b))
-	}
-}
-
-// close the underlying socket.
-func (i *Injector) close() error {
-	if err := unix.Close(i.fd); err != nil {
-		return fmt.Errorf("can't close sniffer socket: %w", err)
-	}
-	i.fd = -1
-	return nil
-}