mirror of https://github.com/grpc/grpc-go.git
97 lines
3.1 KiB
Go
97 lines
3.1 KiB
Go
//go:build linux
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// +build linux
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/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package channelz_test
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import (
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"net"
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"reflect"
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"syscall"
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"testing"
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"golang.org/x/sys/unix"
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"google.golang.org/grpc/internal/channelz"
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"google.golang.org/grpc/internal/grpctest"
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)
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type s struct {
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grpctest.Tester
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}
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func Test(t *testing.T) {
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grpctest.RunSubTests(t, s{})
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}
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func (s) TestGetSocketOpt(t *testing.T) {
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network, addr := "tcp", ":0"
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ln, err := net.Listen(network, addr)
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if err != nil {
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t.Fatalf("net.Listen(%s,%s) failed with err: %v", network, addr, err)
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}
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defer ln.Close()
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go func() {
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ln.Accept()
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}()
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conn, _ := net.Dial(network, ln.Addr().String())
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defer conn.Close()
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tcpc := conn.(*net.TCPConn)
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raw, err := tcpc.SyscallConn()
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if err != nil {
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t.Fatalf("SyscallConn() failed due to %v", err)
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}
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l := &unix.Linger{Onoff: 1, Linger: 5}
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recvTimout := &unix.Timeval{Sec: 100}
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sendTimeout := &unix.Timeval{Sec: 8888}
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raw.Control(func(fd uintptr) {
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err := unix.SetsockoptLinger(int(fd), syscall.SOL_SOCKET, syscall.SO_LINGER, l)
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if err != nil {
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t.Fatalf("failed to SetsockoptLinger(%v,%v,%v,%v) due to %v", int(fd), syscall.SOL_SOCKET, syscall.SO_LINGER, l, err)
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}
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err = unix.SetsockoptTimeval(int(fd), syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, recvTimout)
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if err != nil {
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t.Fatalf("failed to SetsockoptTimeval(%v,%v,%v,%v) due to %v", int(fd), syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, recvTimout, err)
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}
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err = unix.SetsockoptTimeval(int(fd), syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, sendTimeout)
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if err != nil {
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t.Fatalf("failed to SetsockoptTimeval(%v,%v,%v,%v) due to %v", int(fd), syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, sendTimeout, err)
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}
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})
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sktopt := channelz.GetSocketOption(conn)
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if !reflect.DeepEqual(sktopt.Linger, l) {
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t.Fatalf("get socket option linger, want: %v, got %v", l, sktopt.Linger)
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}
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if !reflect.DeepEqual(sktopt.RecvTimeout, recvTimout) {
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t.Logf("get socket option recv timeout, want: %v, got %v, may be caused by system allowing non or partial setting of this value", recvTimout, sktopt.RecvTimeout)
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}
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if !reflect.DeepEqual(sktopt.SendTimeout, sendTimeout) {
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t.Logf("get socket option send timeout, want: %v, got %v, may be caused by system allowing non or partial setting of this value", sendTimeout, sktopt.SendTimeout)
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}
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if sktopt == nil || sktopt.TCPInfo != nil && sktopt.TCPInfo.State != 1 {
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t.Fatalf("TCPInfo.State want 1 (TCP_ESTABLISHED), got %v", sktopt)
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}
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sktopt = channelz.GetSocketOption(ln)
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if sktopt == nil || sktopt.TCPInfo == nil || sktopt.TCPInfo.State != 10 {
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t.Fatalf("TCPInfo.State want 10 (TCP_LISTEN), got %v", sktopt)
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}
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}
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