extras/hs-test/actions.go - fdio/vpp - Gitiles

 package main

 import (
 	"bytes"
 	"context"
 	"fmt"
 	"os"
 	"path/filepath"

 	"git.fd.io/govpp.git/api"
 	"github.com/edwarnicke/exechelper"
 	"github.com/edwarnicke/govpp/binapi/af_packet"
 	"github.com/edwarnicke/govpp/binapi/ethernet_types"
 	interfaces "github.com/edwarnicke/govpp/binapi/interface"
 	"github.com/edwarnicke/govpp/binapi/interface_types"
 	ip_types "github.com/edwarnicke/govpp/binapi/ip_types"
 	"github.com/edwarnicke/govpp/binapi/session"
 	"github.com/edwarnicke/govpp/binapi/vlib"
 	"github.com/edwarnicke/vpphelper"
 )

 type ConfFn func(context.Context, api.Connection) error

 type Actions struct {
 }

 func configureProxyTcp(ifName0, ipAddr0, ifName1, ipAddr1 string) ConfFn {
 	return func(ctx context.Context,
 		vppConn api.Connection) error {

 		_, err := configureAfPacket(ctx, vppConn, ifName0, ipAddr0)
 		if err != nil {
 			fmt.Printf("failed to create af packet: %v", err)
 			return err
 		}
 		_, err = configureAfPacket(ctx, vppConn, ifName1, ipAddr1)
 		if err != nil {
 			fmt.Printf("failed to create af packet: %v", err)
 			return err
 		}
 		return nil
 	}
 }

 func (a *Actions) RunHttpCliSrv(args []string) *ActionResult {
 	cmd := fmt.Sprintf("http cli server")
 	return ApiCliInband("/tmp/Configure2Veths", cmd)
 }

 func (a *Actions) RunHttpCliCln(args []string) *ActionResult {
 	cmd := fmt.Sprintf("http cli client uri http://10.10.10.1/80 query %s", getArgs())
 	fmt.Println(cmd)
 	return ApiCliInband("/tmp/Configure2Veths", cmd)
 }

 func (a *Actions) ConfigureVppProxy(args []string) *ActionResult {
 	ctx, cancel := newVppContext()
 	defer cancel()

 	con, vppErrCh := vpphelper.StartAndDialContext(ctx, vpphelper.WithVppConfig(configTemplate))
 	exitOnErrCh(ctx, cancel, vppErrCh)

 	confFn := configureProxyTcp("vpp0", "10.0.0.2/24", "vpp1", "10.0.1.2/24")
 	err := confFn(ctx, con)
 	if err != nil {
 		return NewActionResult(err, ActionResultWithDesc("configuration failed"))
 	}
 	writeSyncFile(OkResult())
 	<-ctx.Done()
 	return nil
 }

 func (a *Actions) ConfigureEnvoyProxy(args []string) *ActionResult {
 	var startup Stanza
 	startup.
 		NewStanza("session").
 		Append("enable").
 		Append("use-app-socket-api").
 		Append("evt_qs_memfd_seg").
 		Append("event-queue-length 100000").Close()
 	ctx, cancel := newVppContext()
 	defer cancel()

 	con, vppErrCh := vpphelper.StartAndDialContext(ctx,
 		vpphelper.WithVppConfig(configTemplate+startup.ToString()),
 		vpphelper.WithRootDir("/tmp/vpp-envoy"))
 	exitOnErrCh(ctx, cancel, vppErrCh)

 	confFn := configureProxyTcp("vpp0", "10.0.0.2/24", "vpp1", "10.0.1.2/24")
 	err := confFn(ctx, con)
 	if err != nil {
 		return NewActionResult(err, ActionResultWithDesc("configuration failed"))
 	}
 	err0 := exechelper.Run("chmod 777 -R /tmp/vpp-envoy")
 	if err0 != nil {
 		return NewActionResult(err, ActionResultWithDesc("setting permissions failed"))
 	}
 	writeSyncFile(OkResult())
 	<-ctx.Done()
 	return nil
 }

 func getArgs() string {
 	s := ""
 	for i := 2; i < len(os.Args); i++ {
 		s = s + " " + os.Args[i]
 	}
 	return s
 }

 func ApiCliInband(root, cmd string) *ActionResult {
 	ctx, _ := newVppContext()
 	con := vpphelper.DialContext(ctx, filepath.Join(root, "/var/run/vpp/api.sock"))
 	cliInband := vlib.CliInband{Cmd: cmd}
 	cliInbandReply, err := vlib.NewServiceClient(con).CliInband(ctx, &cliInband)
 	return NewActionResult(err, ActionResultWithStdout(cliInbandReply.Reply))
 }

 func (a *Actions) RunEchoClient(args []string) *ActionResult {
 	outBuff := bytes.NewBuffer([]byte{})
 	errBuff := bytes.NewBuffer([]byte{})

 	cmd := fmt.Sprintf("vpp_echo client socket-name /tmp/echo-cln/var/run/app_ns_sockets/2 use-app-socket-api uri %s://10.10.10.1/12344", args[2])
 	err := exechelper.Run(cmd,
 		exechelper.WithStdout(outBuff), exechelper.WithStderr(errBuff),
 		exechelper.WithStdout(os.Stdout), exechelper.WithStderr(os.Stderr))

 	return NewActionResult(err, ActionResultWithStdout(string(outBuff.String())),
 		ActionResultWithStderr(string(errBuff.String())))
 }

 func (a *Actions) RunEchoServer(args []string) *ActionResult {
 	cmd := fmt.Sprintf("vpp_echo server TX=RX socket-name /tmp/echo-srv/var/run/app_ns_sockets/1 use-app-socket-api uri %s://10.10.10.1/12344", args[2])
 	errCh := exechelper.Start(cmd)
 	select {
 	case err := <-errCh:
 		writeSyncFile(NewActionResult(err, ActionResultWithDesc("echo_server: ")))
 	default:
 	}
 	writeSyncFile(OkResult())
 	return nil
 }

 func (a *Actions) RunEchoSrvInternal(args []string) *ActionResult {
 	cmd := fmt.Sprintf("test echo server %s uri tcp://10.10.10.1/1234", getArgs())
 	return ApiCliInband("/tmp/Configure2Veths", cmd)
 }

 func (a *Actions) RunEchoClnInternal(args []string) *ActionResult {
 	cmd := fmt.Sprintf("test echo client %s uri tcp://10.10.10.1/1234", getArgs())
 	return ApiCliInband("/tmp/Configure2Veths", cmd)
 }

 func (a *Actions) RunVclEchoServer(args []string) *ActionResult {
 	f, err := os.Create("vcl_1.conf")
 	if err != nil {
 		return NewActionResult(err, ActionResultWithStderr(("create vcl config: ")))
 	}
 	fmt.Fprintf(f, vclTemplate, "/tmp/echo-srv/var/run/app_ns_sockets/1", "1")
 	f.Close()

 	os.Setenv("VCL_CONFIG", "/vcl_1.conf")
 	cmd := fmt.Sprintf("vcl_test_server -p %s 12346", args[2])
 	errCh := exechelper.Start(cmd)
 	select {
 	case err := <-errCh:
 		writeSyncFile(NewActionResult(err, ActionResultWithDesc("vcl_test_server: ")))
 	default:
 	}
 	writeSyncFile(OkResult())
 	return nil
 }

 func (a *Actions) RunVclEchoClient(args []string) *ActionResult {
 	outBuff := bytes.NewBuffer([]byte{})
 	errBuff := bytes.NewBuffer([]byte{})

 	f, err := os.Create("vcl_2.conf")
 	if err != nil {
 		return NewActionResult(err, ActionResultWithStderr(("create vcl config: ")))
 	}
 	fmt.Fprintf(f, vclTemplate, "/tmp/echo-cln/var/run/app_ns_sockets/2", "2")
 	f.Close()

 	os.Setenv("VCL_CONFIG", "/vcl_2.conf")
 	cmd := fmt.Sprintf("vcl_test_client -U -p %s 10.10.10.1 12346", args[2])
 	err = exechelper.Run(cmd,
 		exechelper.WithStdout(outBuff), exechelper.WithStderr(errBuff),
 		exechelper.WithStdout(os.Stdout), exechelper.WithStderr(os.Stderr))

 	return NewActionResult(err, ActionResultWithStdout(string(outBuff.String())),
 		ActionResultWithStderr(string(errBuff.String())))
 }

 func configure2vethsTopo(ifName, interfaceAddress, namespaceId string, secret uint64, optionalHardwareAddress ...string) ConfFn {
 	return func(ctx context.Context,
 		vppConn api.Connection) error {

 		var swIfIndex interface_types.InterfaceIndex
 		var err error
 		if optionalHardwareAddress == nil {
 			swIfIndex, err = configureAfPacket(ctx, vppConn, ifName, interfaceAddress)
 		} else {
 			swIfIndex, err = configureAfPacket(ctx, vppConn, ifName, interfaceAddress, optionalHardwareAddress[0])
 		}
 		if err != nil {
 			fmt.Printf("failed to create af packet: %v", err)
 		}
 		_, er := session.NewServiceClient(vppConn).AppNamespaceAddDelV2(ctx, &session.AppNamespaceAddDelV2{
 			Secret:      secret,
 			SwIfIndex:   swIfIndex,
 			NamespaceID: namespaceId,
 		})
 		if er != nil {
 			fmt.Printf("add app namespace: %v", err)
 			return err
 		}

 		_, er1 := session.NewServiceClient(vppConn).SessionEnableDisable(ctx, &session.SessionEnableDisable{
 			IsEnable: true,
 		})
 		if er1 != nil {
 			fmt.Printf("session enable %v", err)
 			return err
 		}
 		return nil
 	}
 }

 func (a *Actions) Configure2Veths(args []string) *ActionResult {
 	var startup Stanza
 	startup.
 		NewStanza("session").
 		Append("enable").
 		Append("use-app-socket-api").Close()

 	ctx, cancel := newVppContext()
 	defer cancel()

 	vppConfig, err := DeserializeVppConfig(args[2])
 	if err != nil {
 		return NewActionResult(err, ActionResultWithDesc("deserializing configuration failed"))
 	}

 	con, vppErrCh := vpphelper.StartAndDialContext(ctx,
 		vpphelper.WithVppConfig(vppConfig.getTemplate()+startup.ToString()),
 		vpphelper.WithRootDir(fmt.Sprintf("/tmp/%s", args[1])))
 	exitOnErrCh(ctx, cancel, vppErrCh)

 	var fn func(context.Context, api.Connection) error
 	if vppConfig.Variant == "srv" {
 		fn = configure2vethsTopo("vppsrv", "10.10.10.1/24", "1", 1)
 	} else if vppConfig.Variant == "srv-with-preset-hw-addr" {
 		fn = configure2vethsTopo("vppsrv", "10.10.10.1/24", "1", 1, "00:00:5e:00:53:01")
 	} else {
 		fn = configure2vethsTopo("vppcln", "10.10.10.2/24", "2", 2)
 	}
 	err = fn(ctx, con)
 	if err != nil {
 		return NewActionResult(err, ActionResultWithDesc("configuration failed"))
 	}
 	writeSyncFile(OkResult())
 	<-ctx.Done()
 	return nil
 }

 func configureAfPacket(ctx context.Context, vppCon api.Connection,
 	name, interfaceAddress string, optionalHardwareAddress ...string) (interface_types.InterfaceIndex, error) {
 	var err error
 	ifaceClient := interfaces.NewServiceClient(vppCon)
 	afPacketCreate := af_packet.AfPacketCreateV2{
 		UseRandomHwAddr: true,
 		HostIfName:      name,
 		NumRxQueues:     1,
 	}
 	if len(optionalHardwareAddress) > 0 {
 		afPacketCreate.HwAddr, err = ethernet_types.ParseMacAddress(optionalHardwareAddress[0])
 		if err != nil {
 			fmt.Printf("failed to parse mac address: %v", err)
 			return 0, err
 		}
 		afPacketCreate.UseRandomHwAddr = false
 	}
 	afPacketCreateRsp, err := af_packet.NewServiceClient(vppCon).AfPacketCreateV2(ctx, &afPacketCreate)
 	if err != nil {
 		fmt.Printf("failed to create af packet: %v", err)
 		return 0, err
 	}
 	_, err = ifaceClient.SwInterfaceSetFlags(ctx, &interfaces.SwInterfaceSetFlags{
 		SwIfIndex: afPacketCreateRsp.SwIfIndex,
 		Flags:     interface_types.IF_STATUS_API_FLAG_ADMIN_UP,
 	})
 	if err != nil {
 		fmt.Printf("set interface state up failed: %v\n", err)
 		return 0, err
 	}
 	ipPrefix, err := ip_types.ParseAddressWithPrefix(interfaceAddress)
 	if err != nil {
 		fmt.Printf("parse ip address %v\n", err)
 		return 0, err
 	}
 	ipAddress := &interfaces.SwInterfaceAddDelAddress{
 		IsAdd:     true,
 		SwIfIndex: afPacketCreateRsp.SwIfIndex,
 		Prefix:    ipPrefix,
 	}
 	_, errx := ifaceClient.SwInterfaceAddDelAddress(ctx, ipAddress)
 	if errx != nil {
 		fmt.Printf("add ip address %v\n", err)
 		return 0, err
 	}
 	return afPacketCreateRsp.SwIfIndex, nil
 }

 func (a *Actions) ConfigureHttpTps(args []string) *ActionResult {
 	ctx, cancel := newVppContext()
 	defer cancel()
 	con, vppErrCh := vpphelper.StartAndDialContext(ctx,
 		vpphelper.WithVppConfig(configTemplate))
 	exitOnErrCh(ctx, cancel, vppErrCh)

 	confFn := configureProxyTcp("vpp0", "10.0.0.2/24", "vpp1", "10.0.1.2/24")
 	err := confFn(ctx, con)
 	if err != nil {
 		return NewActionResult(err, ActionResultWithDesc("configuration failed"))
 	}

 	_, err = session.NewServiceClient(con).SessionEnableDisable(ctx, &session.SessionEnableDisable{
 		IsEnable: true,
 	})
 	if err != nil {
 		return NewActionResult(err, ActionResultWithDesc("configuration failed"))
 	}
 	Vppcli("", "http tps uri tcp://0.0.0.0/8080")
 	writeSyncFile(OkResult())
 	<-ctx.Done()
 	return nil
 }
	package main

	import (
	"bytes"
	"context"
	"fmt"
	"os"
	"path/filepath"

	"git.fd.io/govpp.git/api"
	"github.com/edwarnicke/exechelper"
	"github.com/edwarnicke/govpp/binapi/af_packet"
	"github.com/edwarnicke/govpp/binapi/ethernet_types"
	interfaces "github.com/edwarnicke/govpp/binapi/interface"
	"github.com/edwarnicke/govpp/binapi/interface_types"
	ip_types "github.com/edwarnicke/govpp/binapi/ip_types"
	"github.com/edwarnicke/govpp/binapi/session"
	"github.com/edwarnicke/govpp/binapi/vlib"
	"github.com/edwarnicke/vpphelper"
	)

	type ConfFn func(context.Context, api.Connection) error

	type Actions struct {
	}

	func configureProxyTcp(ifName0, ipAddr0, ifName1, ipAddr1 string) ConfFn {
	return func(ctx context.Context,
	vppConn api.Connection) error {

	_, err := configureAfPacket(ctx, vppConn, ifName0, ipAddr0)
	if err != nil {
	fmt.Printf("failed to create af packet: %v", err)
	return err
	}
	_, err = configureAfPacket(ctx, vppConn, ifName1, ipAddr1)
	if err != nil {
	fmt.Printf("failed to create af packet: %v", err)
	return err
	}
	return nil
	}
	}

	func (a Actions) RunHttpCliSrv(args []string) ActionResult {
	cmd := fmt.Sprintf("http cli server")
	return ApiCliInband("/tmp/Configure2Veths", cmd)
	}

	func (a Actions) RunHttpCliCln(args []string) ActionResult {
	cmd := fmt.Sprintf("http cli client uri http://10.10.10.1/80 query %s", getArgs())
	fmt.Println(cmd)
	return ApiCliInband("/tmp/Configure2Veths", cmd)
	}

	func (a Actions) ConfigureVppProxy(args []string) ActionResult {
	ctx, cancel := newVppContext()
	defer cancel()

	con, vppErrCh := vpphelper.StartAndDialContext(ctx, vpphelper.WithVppConfig(configTemplate))
	exitOnErrCh(ctx, cancel, vppErrCh)

	confFn := configureProxyTcp("vpp0", "10.0.0.2/24", "vpp1", "10.0.1.2/24")
	err := confFn(ctx, con)
	if err != nil {
	return NewActionResult(err, ActionResultWithDesc("configuration failed"))
	}
	writeSyncFile(OkResult())
	<-ctx.Done()
	return nil
	}

	func (a Actions) ConfigureEnvoyProxy(args []string) ActionResult {
	var startup Stanza
	startup.
	NewStanza("session").
	Append("enable").
	Append("use-app-socket-api").
	Append("evt_qs_memfd_seg").
	Append("event-queue-length 100000").Close()
	ctx, cancel := newVppContext()
	defer cancel()

	con, vppErrCh := vpphelper.StartAndDialContext(ctx,
	vpphelper.WithVppConfig(configTemplate+startup.ToString()),
	vpphelper.WithRootDir("/tmp/vpp-envoy"))
	exitOnErrCh(ctx, cancel, vppErrCh)

	confFn := configureProxyTcp("vpp0", "10.0.0.2/24", "vpp1", "10.0.1.2/24")
	err := confFn(ctx, con)
	if err != nil {
	return NewActionResult(err, ActionResultWithDesc("configuration failed"))
	}
	err0 := exechelper.Run("chmod 777 -R /tmp/vpp-envoy")
	if err0 != nil {
	return NewActionResult(err, ActionResultWithDesc("setting permissions failed"))
	}
	writeSyncFile(OkResult())
	<-ctx.Done()
	return nil
	}

	func getArgs() string {
	s := ""
	for i := 2; i < len(os.Args); i++ {
	s = s + " " + os.Args[i]
	}
	return s
	}

	func ApiCliInband(root, cmd string) *ActionResult {
	ctx, _ := newVppContext()
	con := vpphelper.DialContext(ctx, filepath.Join(root, "/var/run/vpp/api.sock"))
	cliInband := vlib.CliInband{Cmd: cmd}
	cliInbandReply, err := vlib.NewServiceClient(con).CliInband(ctx, &cliInband)
	return NewActionResult(err, ActionResultWithStdout(cliInbandReply.Reply))
	}

	func (a Actions) RunEchoClient(args []string) ActionResult {
	outBuff := bytes.NewBuffer([]byte{})
	errBuff := bytes.NewBuffer([]byte{})

	cmd := fmt.Sprintf("vpp_echo client socket-name /tmp/echo-cln/var/run/app_ns_sockets/2 use-app-socket-api uri %s://10.10.10.1/12344", args[2])
	err := exechelper.Run(cmd,
	exechelper.WithStdout(outBuff), exechelper.WithStderr(errBuff),
	exechelper.WithStdout(os.Stdout), exechelper.WithStderr(os.Stderr))

	return NewActionResult(err, ActionResultWithStdout(string(outBuff.String())),
	ActionResultWithStderr(string(errBuff.String())))
	}

	func (a Actions) RunEchoServer(args []string) ActionResult {
	cmd := fmt.Sprintf("vpp_echo server TX=RX socket-name /tmp/echo-srv/var/run/app_ns_sockets/1 use-app-socket-api uri %s://10.10.10.1/12344", args[2])
	errCh := exechelper.Start(cmd)
	select {
	case err := <-errCh:
	writeSyncFile(NewActionResult(err, ActionResultWithDesc("echo_server: ")))
	default:
	}
	writeSyncFile(OkResult())
	return nil
	}

	func (a Actions) RunEchoSrvInternal(args []string) ActionResult {
	cmd := fmt.Sprintf("test echo server %s uri tcp://10.10.10.1/1234", getArgs())
	return ApiCliInband("/tmp/Configure2Veths", cmd)
	}

	func (a Actions) RunEchoClnInternal(args []string) ActionResult {
	cmd := fmt.Sprintf("test echo client %s uri tcp://10.10.10.1/1234", getArgs())
	return ApiCliInband("/tmp/Configure2Veths", cmd)
	}

	func (a Actions) RunVclEchoServer(args []string) ActionResult {
	f, err := os.Create("vcl_1.conf")
	if err != nil {
	return NewActionResult(err, ActionResultWithStderr(("create vcl config: ")))
	}
	fmt.Fprintf(f, vclTemplate, "/tmp/echo-srv/var/run/app_ns_sockets/1", "1")
	f.Close()

	os.Setenv("VCL_CONFIG", "/vcl_1.conf")
	cmd := fmt.Sprintf("vcl_test_server -p %s 12346", args[2])
	errCh := exechelper.Start(cmd)
	select {
	case err := <-errCh:
	writeSyncFile(NewActionResult(err, ActionResultWithDesc("vcl_test_server: ")))
	default:
	}
	writeSyncFile(OkResult())
	return nil
	}

	func (a Actions) RunVclEchoClient(args []string) ActionResult {
	outBuff := bytes.NewBuffer([]byte{})
	errBuff := bytes.NewBuffer([]byte{})

	f, err := os.Create("vcl_2.conf")
	if err != nil {
	return NewActionResult(err, ActionResultWithStderr(("create vcl config: ")))
	}
	fmt.Fprintf(f, vclTemplate, "/tmp/echo-cln/var/run/app_ns_sockets/2", "2")
	f.Close()

	os.Setenv("VCL_CONFIG", "/vcl_2.conf")
	cmd := fmt.Sprintf("vcl_test_client -U -p %s 10.10.10.1 12346", args[2])
	err = exechelper.Run(cmd,
	exechelper.WithStdout(outBuff), exechelper.WithStderr(errBuff),
	exechelper.WithStdout(os.Stdout), exechelper.WithStderr(os.Stderr))

	return NewActionResult(err, ActionResultWithStdout(string(outBuff.String())),
	ActionResultWithStderr(string(errBuff.String())))
	}

	func configure2vethsTopo(ifName, interfaceAddress, namespaceId string, secret uint64, optionalHardwareAddress ...string) ConfFn {
	return func(ctx context.Context,
	vppConn api.Connection) error {

	var swIfIndex interface_types.InterfaceIndex
	var err error
	if optionalHardwareAddress == nil {
	swIfIndex, err = configureAfPacket(ctx, vppConn, ifName, interfaceAddress)
	} else {
	swIfIndex, err = configureAfPacket(ctx, vppConn, ifName, interfaceAddress, optionalHardwareAddress[0])
	}
	if err != nil {
	fmt.Printf("failed to create af packet: %v", err)
	}
	_, er := session.NewServiceClient(vppConn).AppNamespaceAddDelV2(ctx, &session.AppNamespaceAddDelV2{
	Secret: secret,
	SwIfIndex: swIfIndex,
	NamespaceID: namespaceId,
	})
	if er != nil {
	fmt.Printf("add app namespace: %v", err)
	return err
	}

	_, er1 := session.NewServiceClient(vppConn).SessionEnableDisable(ctx, &session.SessionEnableDisable{
	IsEnable: true,
	})
	if er1 != nil {
	fmt.Printf("session enable %v", err)
	return err
	}
	return nil
	}
	}

	func (a Actions) Configure2Veths(args []string) ActionResult {
	var startup Stanza
	startup.
	NewStanza("session").
	Append("enable").
	Append("use-app-socket-api").Close()

	ctx, cancel := newVppContext()
	defer cancel()

	vppConfig, err := DeserializeVppConfig(args[2])
	if err != nil {
	return NewActionResult(err, ActionResultWithDesc("deserializing configuration failed"))
	}

	con, vppErrCh := vpphelper.StartAndDialContext(ctx,
	vpphelper.WithVppConfig(vppConfig.getTemplate()+startup.ToString()),
	vpphelper.WithRootDir(fmt.Sprintf("/tmp/%s", args[1])))
	exitOnErrCh(ctx, cancel, vppErrCh)

	var fn func(context.Context, api.Connection) error
	if vppConfig.Variant == "srv" {
	fn = configure2vethsTopo("vppsrv", "10.10.10.1/24", "1", 1)
	} else if vppConfig.Variant == "srv-with-preset-hw-addr" {
	fn = configure2vethsTopo("vppsrv", "10.10.10.1/24", "1", 1, "00:00:5e:00:53:01")
	} else {
	fn = configure2vethsTopo("vppcln", "10.10.10.2/24", "2", 2)
	}
	err = fn(ctx, con)
	if err != nil {
	return NewActionResult(err, ActionResultWithDesc("configuration failed"))
	}
	writeSyncFile(OkResult())
	<-ctx.Done()
	return nil
	}

	func configureAfPacket(ctx context.Context, vppCon api.Connection,
	name, interfaceAddress string, optionalHardwareAddress ...string) (interface_types.InterfaceIndex, error) {
	var err error
	ifaceClient := interfaces.NewServiceClient(vppCon)
	afPacketCreate := af_packet.AfPacketCreateV2{
	UseRandomHwAddr: true,
	HostIfName: name,
	NumRxQueues: 1,
	}
	if len(optionalHardwareAddress) > 0 {
	afPacketCreate.HwAddr, err = ethernet_types.ParseMacAddress(optionalHardwareAddress[0])
	if err != nil {
	fmt.Printf("failed to parse mac address: %v", err)
	return 0, err
	}
	afPacketCreate.UseRandomHwAddr = false
	}
	afPacketCreateRsp, err := af_packet.NewServiceClient(vppCon).AfPacketCreateV2(ctx, &afPacketCreate)
	if err != nil {
	fmt.Printf("failed to create af packet: %v", err)
	return 0, err
	}
	_, err = ifaceClient.SwInterfaceSetFlags(ctx, &interfaces.SwInterfaceSetFlags{
	SwIfIndex: afPacketCreateRsp.SwIfIndex,
	Flags: interface_types.IF_STATUS_API_FLAG_ADMIN_UP,
	})
	if err != nil {
	fmt.Printf("set interface state up failed: %v\n", err)
	return 0, err
	}
	ipPrefix, err := ip_types.ParseAddressWithPrefix(interfaceAddress)
	if err != nil {
	fmt.Printf("parse ip address %v\n", err)
	return 0, err
	}
	ipAddress := &interfaces.SwInterfaceAddDelAddress{
	IsAdd: true,
	SwIfIndex: afPacketCreateRsp.SwIfIndex,
	Prefix: ipPrefix,
	}
	_, errx := ifaceClient.SwInterfaceAddDelAddress(ctx, ipAddress)
	if errx != nil {
	fmt.Printf("add ip address %v\n", err)
	return 0, err
	}
	return afPacketCreateRsp.SwIfIndex, nil
	}

	func (a Actions) ConfigureHttpTps(args []string) ActionResult {
	ctx, cancel := newVppContext()
	defer cancel()
	con, vppErrCh := vpphelper.StartAndDialContext(ctx,
	vpphelper.WithVppConfig(configTemplate))
	exitOnErrCh(ctx, cancel, vppErrCh)

	confFn := configureProxyTcp("vpp0", "10.0.0.2/24", "vpp1", "10.0.1.2/24")
	err := confFn(ctx, con)
	if err != nil {
	return NewActionResult(err, ActionResultWithDesc("configuration failed"))
	}

	_, err = session.NewServiceClient(con).SessionEnableDisable(ctx, &session.SessionEnableDisable{
	IsEnable: true,
	})
	if err != nil {
	return NewActionResult(err, ActionResultWithDesc("configuration failed"))
	}
	Vppcli("", "http tps uri tcp://0.0.0.0/8080")
	writeSyncFile(OkResult())
	<-ctx.Done()
	return nil
	}