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//go:build linux && (386 || amd64)
// +build linux
// +build 386 amd64
/*
*
* Copyright 2018 gRPC 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.
*
*/
// SocketOptions is only supported on linux system. The functions defined in
// this file are to parse the socket option field and the test is specifically
// to verify the behavior of socket option parsing.
package service
import (
"context"
"strconv"
"testing"
"github.com/golang/protobuf/ptypes"
"github.com/google/go-cmp/cmp"
"golang.org/x/sys/unix"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/protobuf/testing/protocmp"
durpb "github.com/golang/protobuf/ptypes/duration"
channelzpb "google.golang.org/grpc/channelz/grpc_channelz_v1"
)
func init() {
// Assign protoToSocketOption to protoToSocketOpt in order to enable socket option
// data conversion from proto message to channelz defined struct.
protoToSocketOpt = protoToSocketOption
}
func convertToDuration(d *durpb.Duration) (sec int64, usec int64) {
if d != nil {
if dur, err := ptypes.Duration(d); err == nil {
sec = int64(int64(dur) / 1e9)
usec = (int64(dur) - sec*1e9) / 1e3
}
}
return
}
func protoToLinger(protoLinger *channelzpb.SocketOptionLinger) *unix.Linger {
linger := &unix.Linger{}
if protoLinger.GetActive() {
linger.Onoff = 1
}
lv, _ := convertToDuration(protoLinger.GetDuration())
linger.Linger = int32(lv)
return linger
}
func protoToSocketOption(skopts []*channelzpb.SocketOption) *channelz.SocketOptionData {
skdata := &channelz.SocketOptionData{}
for _, opt := range skopts {
switch opt.GetName() {
case "SO_LINGER":
protoLinger := &channelzpb.SocketOptionLinger{}
err := ptypes.UnmarshalAny(opt.GetAdditional(), protoLinger)
if err == nil {
skdata.Linger = protoToLinger(protoLinger)
}
case "SO_RCVTIMEO":
protoTimeout := &channelzpb.SocketOptionTimeout{}
err := ptypes.UnmarshalAny(opt.GetAdditional(), protoTimeout)
if err == nil {
skdata.RecvTimeout = protoToTime(protoTimeout)
}
case "SO_SNDTIMEO":
protoTimeout := &channelzpb.SocketOptionTimeout{}
err := ptypes.UnmarshalAny(opt.GetAdditional(), protoTimeout)
if err == nil {
skdata.SendTimeout = protoToTime(protoTimeout)
}
case "TCP_INFO":
tcpi := &channelzpb.SocketOptionTcpInfo{}
err := ptypes.UnmarshalAny(opt.GetAdditional(), tcpi)
if err == nil {
skdata.TCPInfo = &unix.TCPInfo{
State: uint8(tcpi.TcpiState),
Ca_state: uint8(tcpi.TcpiCaState),
Retransmits: uint8(tcpi.TcpiRetransmits),
Probes: uint8(tcpi.TcpiProbes),
Backoff: uint8(tcpi.TcpiBackoff),
Options: uint8(tcpi.TcpiOptions),
Rto: tcpi.TcpiRto,
Ato: tcpi.TcpiAto,
Snd_mss: tcpi.TcpiSndMss,
Rcv_mss: tcpi.TcpiRcvMss,
Unacked: tcpi.TcpiUnacked,
Sacked: tcpi.TcpiSacked,
Lost: tcpi.TcpiLost,
Retrans: tcpi.TcpiRetrans,
Fackets: tcpi.TcpiFackets,
Last_data_sent: tcpi.TcpiLastDataSent,
Last_ack_sent: tcpi.TcpiLastAckSent,
Last_data_recv: tcpi.TcpiLastDataRecv,
Last_ack_recv: tcpi.TcpiLastAckRecv,
Pmtu: tcpi.TcpiPmtu,
Rcv_ssthresh: tcpi.TcpiRcvSsthresh,
Rtt: tcpi.TcpiRtt,
Rttvar: tcpi.TcpiRttvar,
Snd_ssthresh: tcpi.TcpiSndSsthresh,
Snd_cwnd: tcpi.TcpiSndCwnd,
Advmss: tcpi.TcpiAdvmss,
Reordering: tcpi.TcpiReordering}
}
}
}
return skdata
}
func (s) TestGetSocketOptions(t *testing.T) {
czCleanup := channelz.NewChannelzStorageForTesting()
defer cleanupWrapper(czCleanup, t)
ss := []*dummySocket{
{
socketOptions: &channelz.SocketOptionData{
Linger: &unix.Linger{Onoff: 1, Linger: 2},
RecvTimeout: &unix.Timeval{Sec: 10, Usec: 1},
SendTimeout: &unix.Timeval{},
TCPInfo: &unix.TCPInfo{State: 1},
},
},
}
svr := newCZServer()
ids := make([]*channelz.Identifier, len(ss))
svrID := channelz.RegisterServer(&dummyServer{}, "")
defer channelz.RemoveEntry(svrID)
for i, s := range ss {
ids[i], _ = channelz.RegisterNormalSocket(s, svrID, strconv.Itoa(i))
defer channelz.RemoveEntry(ids[i])
}
ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
defer cancel()
for i, s := range ss {
resp, _ := svr.GetSocket(ctx, &channelzpb.GetSocketRequest{SocketId: ids[i].Int()})
got, want := resp.GetSocket().GetRef(), &channelzpb.SocketRef{SocketId: ids[i].Int(), Name: strconv.Itoa(i)}
if !cmp.Equal(got, want, protocmp.Transform()) {
t.Fatalf("resp.GetSocket() returned metrics.GetRef() = %#v, want %#v", got, want)
}
socket, err := socketProtoToStruct(resp.GetSocket())
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(s, socket, protocmp.Transform(), cmp.AllowUnexported(dummySocket{})); diff != "" {
t.Fatalf("unexpected socket, diff (-want +got):\n%s", diff)
}
}
}
|
