extras/hs-test/ldp_test.go

   1 package main
   2
   3 import (
   4         "fmt"
   5         "os"
   6
   7         . "github.com/onsi/ginkgo/v2"
   8 )
   9
  10 func init() {
  11         registerVethTests(LDPreloadIperfVppTest)
  12 }
  13
  14 func LDPreloadIperfVppTest(s *VethsSuite) {
  15         var clnVclConf, srvVclConf Stanza
  16
  17         serverContainer := s.getContainerByName("server-vpp")
  18         serverVclFileName := serverContainer.getHostWorkDir() + "/vcl_srv.conf"
  19
  20         clientContainer := s.getContainerByName("client-vpp")
  21         clientVclFileName := clientContainer.getHostWorkDir() + "/vcl_cln.conf"
  22
  23         ldpreload := "LD_PRELOAD=../../build-root/build-vpp-native/vpp/lib/x86_64-linux-gnu/libvcl_ldpreload.so"
  24
  25         stopServerCh := make(chan struct{}, 1)
  26         srvCh := make(chan error, 1)
  27         clnCh := make(chan error)
  28
  29         s.log("starting VPPs")
  30
  31         clientAppSocketApi := fmt.Sprintf("app-socket-api %s/var/run/app_ns_sockets/default",
  32                 clientContainer.getHostWorkDir())
  33         err := clnVclConf.
  34                 newStanza("vcl").
  35                 append("rx-fifo-size 4000000").
  36                 append("tx-fifo-size 4000000").
  37                 append("app-scope-local").
  38                 append("app-scope-global").
  39                 append("use-mq-eventfd").
  40                 append(clientAppSocketApi).close().
  41                 saveToFile(clientVclFileName)
  42         s.assertNil(err, fmt.Sprint(err))
  43
  44         serverAppSocketApi := fmt.Sprintf("app-socket-api %s/var/run/app_ns_sockets/default",
  45                 serverContainer.getHostWorkDir())
  46         err = srvVclConf.
  47                 newStanza("vcl").
  48                 append("rx-fifo-size 4000000").
  49                 append("tx-fifo-size 4000000").
  50                 append("app-scope-local").
  51                 append("app-scope-global").
  52                 append("use-mq-eventfd").
  53                 append(serverAppSocketApi).close().
  54                 saveToFile(serverVclFileName)
  55         s.assertNil(err, fmt.Sprint(err))
  56
  57         s.log("attaching server to vpp")
  58
  59         srvEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+serverVclFileName)
  60         go func() {
  61                 defer GinkgoRecover()
  62                 s.startServerApp(srvCh, stopServerCh, srvEnv)
  63         }()
  64
  65         err = <-srvCh
  66         s.assertNil(err, fmt.Sprint(err))
  67
  68         s.log("attaching client to vpp")
  69         var clnRes = make(chan string, 1)
  70         clnEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+clientVclFileName)
  71         serverVethAddress := s.getInterfaceByName(serverInterfaceName).ip4AddressString()
  72         go func() {
  73                 defer GinkgoRecover()
  74                 s.startClientApp(serverVethAddress, clnEnv, clnCh, clnRes)
  75         }()
  76         s.log(<-clnRes)
  77
  78         // wait for client's result
  79         err = <-clnCh
  80         s.assertNil(err, fmt.Sprint(err))
  81
  82         // stop server
  83         stopServerCh <- struct{}{}
  84 }