1 files changed, 0 insertions, 148 deletions
diff --git a/test/iptables/iptables_util.go b/test/iptables/iptables_util.go
deleted file mode 100644
index 1f8dac4f1..000000000
--- a/test/iptables/iptables_util.go
+++ /dev/null
@@ -1,148 +0,0 @@
-// Copyright 2019 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 iptables
-
-import (
-	"fmt"
-	"net"
-	"os/exec"
-	"time"
-
-	"gvisor.dev/gvisor/runsc/testutil"
-)
-
-const iptablesBinary = "iptables"
-
-// filterTable calls `iptables -t filter` with the given args.
-func filterTable(args ...string) error {
-	return tableCmd("filter", args)
-}
-
-// natTable calls `iptables -t nat` with the given args.
-func natTable(args ...string) error {
-	return tableCmd("nat", args)
-}
-
-func tableCmd(table string, args []string) error {
-	args = append([]string{"-t", table}, args...)
-	cmd := exec.Command(iptablesBinary, args...)
-	if out, err := cmd.CombinedOutput(); err != nil {
-		return fmt.Errorf("error running iptables with args %v\nerror: %v\noutput: %s", args, err, string(out))
-	}
-	return nil
-}
-
-// filterTableRules is like filterTable, but runs multiple iptables commands.
-func filterTableRules(argsList [][]string) error {
-	for _, args := range argsList {
-		if err := filterTable(args...); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// listenUDP listens on a UDP port and returns the value of net.Conn.Read() for
-// the first read on that port.
-func listenUDP(port int, timeout time.Duration) error {
-	localAddr := net.UDPAddr{
-		Port: port,
-	}
-	conn, err := net.ListenUDP(network, &localAddr)
-	if err != nil {
-		return err
-	}
-	defer conn.Close()
-	conn.SetDeadline(time.Now().Add(timeout))
-	_, err = conn.Read([]byte{0})
-	return err
-}
-
-// sendUDPLoop sends 1 byte UDP packets repeatedly to the IP and port specified
-// over a duration.
-func sendUDPLoop(ip net.IP, port int, duration time.Duration) error {
-	// Send packets for a few seconds.
-	remote := net.UDPAddr{
-		IP:   ip,
-		Port: port,
-	}
-	conn, err := net.DialUDP(network, nil, &remote)
-	if err != nil {
-		return err
-	}
-	defer conn.Close()
-
-	to := time.After(duration)
-	for timedOut := false; !timedOut; {
-		// This may return an error (connection refused) if the remote
-		// hasn't started listening yet or they're dropping our
-		// packets. So we ignore Write errors and depend on the remote
-		// to report a failure if it doesn't get a packet it needs.
-		conn.Write([]byte{0})
-		select {
-		case <-to:
-			timedOut = true
-		default:
-			time.Sleep(200 * time.Millisecond)
-		}
-	}
-
-	return nil
-}
-
-// listenTCP listens for connections on a TCP port.
-func listenTCP(port int, timeout time.Duration) error {
-	localAddr := net.TCPAddr{
-		Port: port,
-	}
-
-	// Starts listening on port.
-	lConn, err := net.ListenTCP("tcp4", &localAddr)
-	if err != nil {
-		return err
-	}
-	defer lConn.Close()
-
-	// Accept connections on port.
-	lConn.SetDeadline(time.Now().Add(timeout))
-	conn, err := lConn.AcceptTCP()
-	if err != nil {
-		return err
-	}
-	conn.Close()
-	return nil
-}
-
-// connectTCP connects to the given IP and port from an ephemeral local address.
-func connectTCP(ip net.IP, port int, timeout time.Duration) error {
-	contAddr := net.TCPAddr{
-		IP:   ip,
-		Port: port,
-	}
-	// The container may not be listening when we first connect, so retry
-	// upon error.
-	callback := func() error {
-		conn, err := net.DialTCP("tcp4", nil, &contAddr)
-		if conn != nil {
-			conn.Close()
-		}
-		return err
-	}
-	if err := testutil.Poll(callback, timeout); err != nil {
-		return fmt.Errorf("timed out waiting to connect IP, most recent error: %v", err)
-	}
-
-	return nil
-}