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-rw-r--r--pkg/tcpip/network/arp/BUILD2
-rw-r--r--pkg/tcpip/network/arp/stats_test.go2
-rw-r--r--pkg/tcpip/network/internal/testutil/BUILD5
-rw-r--r--pkg/tcpip/network/internal/testutil/testutil.go68
-rw-r--r--pkg/tcpip/network/internal/testutil/testutil_unsafe.go26
-rw-r--r--pkg/tcpip/network/ipv4/BUILD2
-rw-r--r--pkg/tcpip/network/ipv4/stats_test.go2
-rw-r--r--pkg/tcpip/network/ipv6/BUILD1
-rw-r--r--pkg/tcpip/network/ipv6/ipv6_test.go19
9 files changed, 16 insertions, 111 deletions
diff --git a/pkg/tcpip/network/arp/BUILD b/pkg/tcpip/network/arp/BUILD
index 6905b9ccb..a72eb1aad 100644
--- a/pkg/tcpip/network/arp/BUILD
+++ b/pkg/tcpip/network/arp/BUILD
@@ -47,7 +47,7 @@ go_test(
library = ":arp",
deps = [
"//pkg/tcpip",
- "//pkg/tcpip/network/internal/testutil",
"//pkg/tcpip/stack",
+ "//pkg/tcpip/testutil",
],
)
diff --git a/pkg/tcpip/network/arp/stats_test.go b/pkg/tcpip/network/arp/stats_test.go
index e867b3c3f..0df39ae81 100644
--- a/pkg/tcpip/network/arp/stats_test.go
+++ b/pkg/tcpip/network/arp/stats_test.go
@@ -19,8 +19,8 @@ import (
"testing"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/network/internal/testutil"
"gvisor.dev/gvisor/pkg/tcpip/stack"
+ "gvisor.dev/gvisor/pkg/tcpip/testutil"
)
var _ stack.NetworkInterface = (*testInterface)(nil)
diff --git a/pkg/tcpip/network/internal/testutil/BUILD b/pkg/tcpip/network/internal/testutil/BUILD
index 1c4f583c7..cec3e62c4 100644
--- a/pkg/tcpip/network/internal/testutil/BUILD
+++ b/pkg/tcpip/network/internal/testutil/BUILD
@@ -4,10 +4,7 @@ package(licenses = ["notice"])
go_library(
name = "testutil",
- srcs = [
- "testutil.go",
- "testutil_unsafe.go",
- ],
+ srcs = ["testutil.go"],
visibility = [
"//pkg/tcpip/network/arp:__pkg__",
"//pkg/tcpip/network/internal/fragmentation:__pkg__",
diff --git a/pkg/tcpip/network/internal/testutil/testutil.go b/pkg/tcpip/network/internal/testutil/testutil.go
index e2cf24b67..605e9ef8d 100644
--- a/pkg/tcpip/network/internal/testutil/testutil.go
+++ b/pkg/tcpip/network/internal/testutil/testutil.go
@@ -19,8 +19,6 @@ package testutil
import (
"fmt"
"math/rand"
- "reflect"
- "strings"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/buffer"
@@ -129,69 +127,3 @@ func MakeRandPkt(transportHeaderLength int, extraHeaderReserveLength int, viewSi
}
return pkt
}
-
-func checkFieldCounts(ref, multi reflect.Value) error {
- refTypeName := ref.Type().Name()
- multiTypeName := multi.Type().Name()
- refNumField := ref.NumField()
- multiNumField := multi.NumField()
-
- if refNumField != multiNumField {
- return fmt.Errorf("type %s has an incorrect number of fields: got = %d, want = %d (same as type %s)", multiTypeName, multiNumField, refNumField, refTypeName)
- }
-
- return nil
-}
-
-func validateField(ref reflect.Value, refName string, m tcpip.MultiCounterStat, multiName string) error {
- s, ok := ref.Addr().Interface().(**tcpip.StatCounter)
- if !ok {
- return fmt.Errorf("expected ref type's to be *StatCounter, but its type is %s", ref.Type().Elem().Name())
- }
-
- // The field names are expected to match (case insensitive).
- if !strings.EqualFold(refName, multiName) {
- return fmt.Errorf("wrong field name: got = %s, want = %s", multiName, refName)
- }
-
- base := (*s).Value()
- m.Increment()
- if (*s).Value() != base+1 {
- return fmt.Errorf("updates to the '%s MultiCounterStat' counters are not reflected in the '%s CounterStat'", multiName, refName)
- }
-
- return nil
-}
-
-// ValidateMultiCounterStats verifies that every counter stored in multi is
-// correctly tracking its counterpart in the given counters.
-func ValidateMultiCounterStats(multi reflect.Value, counters []reflect.Value) error {
- for _, c := range counters {
- if err := checkFieldCounts(c, multi); err != nil {
- return err
- }
- }
-
- for i := 0; i < multi.NumField(); i++ {
- multiName := multi.Type().Field(i).Name
- multiUnsafe := unsafeExposeUnexportedFields(multi.Field(i))
-
- if m, ok := multiUnsafe.Addr().Interface().(*tcpip.MultiCounterStat); ok {
- for _, c := range counters {
- if err := validateField(unsafeExposeUnexportedFields(c.Field(i)), c.Type().Field(i).Name, *m, multiName); err != nil {
- return err
- }
- }
- } else {
- var countersNextField []reflect.Value
- for _, c := range counters {
- countersNextField = append(countersNextField, c.Field(i))
- }
- if err := ValidateMultiCounterStats(multi.Field(i), countersNextField); err != nil {
- return err
- }
- }
- }
-
- return nil
-}
diff --git a/pkg/tcpip/network/internal/testutil/testutil_unsafe.go b/pkg/tcpip/network/internal/testutil/testutil_unsafe.go
deleted file mode 100644
index 5ff764800..000000000
--- a/pkg/tcpip/network/internal/testutil/testutil_unsafe.go
+++ /dev/null
@@ -1,26 +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 testutil
-
-import (
- "reflect"
- "unsafe"
-)
-
-// unsafeExposeUnexportedFields takes a Value and returns a version of it in
-// which even unexported fields can be read and written.
-func unsafeExposeUnexportedFields(a reflect.Value) reflect.Value {
- return reflect.NewAt(a.Type(), unsafe.Pointer(a.UnsafeAddr())).Elem()
-}
diff --git a/pkg/tcpip/network/ipv4/BUILD b/pkg/tcpip/network/ipv4/BUILD
index 7ee0495d9..c90974693 100644
--- a/pkg/tcpip/network/ipv4/BUILD
+++ b/pkg/tcpip/network/ipv4/BUILD
@@ -62,7 +62,7 @@ go_test(
library = ":ipv4",
deps = [
"//pkg/tcpip",
- "//pkg/tcpip/network/internal/testutil",
"//pkg/tcpip/stack",
+ "//pkg/tcpip/testutil",
],
)
diff --git a/pkg/tcpip/network/ipv4/stats_test.go b/pkg/tcpip/network/ipv4/stats_test.go
index a637f9d50..d1f9e3cf5 100644
--- a/pkg/tcpip/network/ipv4/stats_test.go
+++ b/pkg/tcpip/network/ipv4/stats_test.go
@@ -19,8 +19,8 @@ import (
"testing"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/network/internal/testutil"
"gvisor.dev/gvisor/pkg/tcpip/stack"
+ "gvisor.dev/gvisor/pkg/tcpip/testutil"
)
var _ stack.NetworkInterface = (*testInterface)(nil)
diff --git a/pkg/tcpip/network/ipv6/BUILD b/pkg/tcpip/network/ipv6/BUILD
index db998e83e..f99cbf8f3 100644
--- a/pkg/tcpip/network/ipv6/BUILD
+++ b/pkg/tcpip/network/ipv6/BUILD
@@ -45,6 +45,7 @@ go_test(
"//pkg/tcpip/link/sniffer",
"//pkg/tcpip/network/internal/testutil",
"//pkg/tcpip/stack",
+ "//pkg/tcpip/testutil",
"//pkg/tcpip/transport/icmp",
"//pkg/tcpip/transport/tcp",
"//pkg/tcpip/transport/udp",
diff --git a/pkg/tcpip/network/ipv6/ipv6_test.go b/pkg/tcpip/network/ipv6/ipv6_test.go
index 5307516d7..8ebca735b 100644
--- a/pkg/tcpip/network/ipv6/ipv6_test.go
+++ b/pkg/tcpip/network/ipv6/ipv6_test.go
@@ -31,8 +31,9 @@ import (
"gvisor.dev/gvisor/pkg/tcpip/faketime"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/link/channel"
- "gvisor.dev/gvisor/pkg/tcpip/network/internal/testutil"
+ iptestutil "gvisor.dev/gvisor/pkg/tcpip/network/internal/testutil"
"gvisor.dev/gvisor/pkg/tcpip/stack"
+ "gvisor.dev/gvisor/pkg/tcpip/testutil"
"gvisor.dev/gvisor/pkg/tcpip/transport/icmp"
"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
@@ -2603,7 +2604,7 @@ func TestWriteStats(t *testing.T) {
t.Run(writer.name, func(t *testing.T) {
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
- ep := testutil.NewMockLinkEndpoint(header.IPv6MinimumMTU, &tcpip.ErrInvalidEndpointState{}, test.allowPackets)
+ ep := iptestutil.NewMockLinkEndpoint(header.IPv6MinimumMTU, &tcpip.ErrInvalidEndpointState{}, test.allowPackets)
rt := buildRoute(t, ep)
var pkts stack.PacketBufferList
for i := 0; i < nPackets; i++ {
@@ -2802,9 +2803,9 @@ func TestFragmentationWritePacket(t *testing.T) {
for _, ft := range fragmentationTests {
t.Run(ft.description, func(t *testing.T) {
- pkt := testutil.MakeRandPkt(ft.transHdrLen, extraHeaderReserve+header.IPv6MinimumSize, []int{ft.payloadSize}, header.IPv6ProtocolNumber)
+ pkt := iptestutil.MakeRandPkt(ft.transHdrLen, extraHeaderReserve+header.IPv6MinimumSize, []int{ft.payloadSize}, header.IPv6ProtocolNumber)
source := pkt.Clone()
- ep := testutil.NewMockLinkEndpoint(ft.mtu, nil, math.MaxInt32)
+ ep := iptestutil.NewMockLinkEndpoint(ft.mtu, nil, math.MaxInt32)
r := buildRoute(t, ep)
err := r.WritePacket(stack.NetworkHeaderParams{
Protocol: tcp.ProtocolNumber,
@@ -2858,7 +2859,7 @@ func TestFragmentationWritePackets(t *testing.T) {
insertAfter: 1,
},
}
- tinyPacket := testutil.MakeRandPkt(header.TCPMinimumSize, extraHeaderReserve+header.IPv6MinimumSize, []int{1}, header.IPv6ProtocolNumber)
+ tinyPacket := iptestutil.MakeRandPkt(header.TCPMinimumSize, extraHeaderReserve+header.IPv6MinimumSize, []int{1}, header.IPv6ProtocolNumber)
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
@@ -2868,14 +2869,14 @@ func TestFragmentationWritePackets(t *testing.T) {
for i := 0; i < test.insertBefore; i++ {
pkts.PushBack(tinyPacket.Clone())
}
- pkt := testutil.MakeRandPkt(ft.transHdrLen, extraHeaderReserve+header.IPv6MinimumSize, []int{ft.payloadSize}, header.IPv6ProtocolNumber)
+ pkt := iptestutil.MakeRandPkt(ft.transHdrLen, extraHeaderReserve+header.IPv6MinimumSize, []int{ft.payloadSize}, header.IPv6ProtocolNumber)
source := pkt
pkts.PushBack(pkt.Clone())
for i := 0; i < test.insertAfter; i++ {
pkts.PushBack(tinyPacket.Clone())
}
- ep := testutil.NewMockLinkEndpoint(ft.mtu, nil, math.MaxInt32)
+ ep := iptestutil.NewMockLinkEndpoint(ft.mtu, nil, math.MaxInt32)
r := buildRoute(t, ep)
wantTotalPackets := len(ft.wantFragments) + test.insertBefore + test.insertAfter
@@ -2980,8 +2981,8 @@ func TestFragmentationErrors(t *testing.T) {
for _, ft := range tests {
t.Run(ft.description, func(t *testing.T) {
- pkt := testutil.MakeRandPkt(ft.transHdrLen, extraHeaderReserve+header.IPv6MinimumSize, []int{ft.payloadSize}, header.IPv6ProtocolNumber)
- ep := testutil.NewMockLinkEndpoint(ft.mtu, ft.mockError, ft.allowPackets)
+ pkt := iptestutil.MakeRandPkt(ft.transHdrLen, extraHeaderReserve+header.IPv6MinimumSize, []int{ft.payloadSize}, header.IPv6ProtocolNumber)
+ ep := iptestutil.NewMockLinkEndpoint(ft.mtu, ft.mockError, ft.allowPackets)
r := buildRoute(t, ep)
err := r.WritePacket(stack.NetworkHeaderParams{
Protocol: tcp.ProtocolNumber,