60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// 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 control provides internal representations of socket control
|
|
// messages.
|
|
package control
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
"gvisor.dev/gvisor/pkg/abi/linux"
|
|
"gvisor.dev/gvisor/pkg/binary"
|
|
"gvisor.dev/gvisor/pkg/hostarch"
|
|
"gvisor.dev/gvisor/pkg/sentry/socket"
|
|
)
|
|
|
|
func TestParse(t *testing.T) {
|
|
// Craft the control message to parse.
|
|
length := linux.SizeOfControlMessageHeader + linux.SizeOfTimeval
|
|
hdr := linux.ControlMessageHeader{
|
|
Length: uint64(length),
|
|
Level: linux.SOL_SOCKET,
|
|
Type: linux.SO_TIMESTAMP,
|
|
}
|
|
buf := make([]byte, 0, length)
|
|
buf = binary.Marshal(buf, hostarch.ByteOrder, &hdr)
|
|
ts := linux.Timeval{
|
|
Sec: 2401,
|
|
Usec: 343,
|
|
}
|
|
buf = binary.Marshal(buf, hostarch.ByteOrder, &ts)
|
|
|
|
cmsg, err := Parse(nil, nil, buf, 8 /* width */)
|
|
if err != nil {
|
|
t.Fatalf("Parse(_, _, %+v, _): %v", cmsg, err)
|
|
}
|
|
|
|
want := socket.ControlMessages{
|
|
IP: socket.IPControlMessages{
|
|
HasTimestamp: true,
|
|
Timestamp: ts.ToNsecCapped(),
|
|
},
|
|
}
|
|
if diff := cmp.Diff(want, cmsg); diff != "" {
|
|
t.Errorf("unexpected message parsed, (-want, +got):\n%s", diff)
|
|
}
|
|
}
|