package main import ( "fmt" "os" "time" "github.com/edwarnicke/exechelper" ) func (s *VethsSuite) TestLDPreloadIperfVpp() { t := s.T() var clnVclConf, srvVclConf Stanza srvInstance := "vpp-ldp-srv" clnInstance := "vpp-ldp-cln" srvPath := "/tmp/" + srvInstance clnPath := "/tmp/" + clnInstance srvVcl := srvPath + "/vcl_srv.conf" clnVcl := clnPath + "/vcl_cln.conf" exechelper.Run("mkdir " + srvPath) exechelper.Run("mkdir " + clnPath) ldpreload := os.Getenv("HST_LDPRELOAD") s.Assert().NotEqual("", ldpreload) ldpreload = "LD_PRELOAD=" + ldpreload stopServerCh := make(chan struct{}, 1) srvCh := make(chan error, 1) clnCh := make(chan error) fmt.Println("starting VPPs") err := dockerRun(srvInstance, fmt.Sprintf("-v /tmp/%s:/tmp", srvInstance)) if err != nil { t.Errorf("%v", err) return } defer func() { exechelper.Run("docker stop " + srvInstance) }() err = dockerRun(clnInstance, fmt.Sprintf("-v /tmp/%s:/tmp", clnInstance)) if err != nil { t.Errorf("%v", err) return } defer func() { exechelper.Run("docker stop " + clnInstance) }() _, err = hstExec("Configure2Veths srv", srvInstance) if err != nil { t.Errorf("%v", err) return } _, err = hstExec("Configure2Veths cln", clnInstance) if err != nil { t.Errorf("%v", err) return } err = clnVclConf. NewStanza("vcl"). Append("rx-fifo-size 4000000"). Append("tx-fifo-size 4000000"). Append("app-scope-local"). Append("app-scope-global"). Append("use-mq-eventfd"). Append(fmt.Sprintf("app-socket-api /tmp/%s/Configure2Veths/var/run/app_ns_sockets/2", clnInstance)).Close(). SaveToFile(clnVcl) if err != nil { t.Errorf("%v", err) t.FailNow() } err = srvVclConf. NewStanza("vcl"). Append("rx-fifo-size 4000000"). Append("tx-fifo-size 4000000"). Append("app-scope-local"). Append("app-scope-global"). Append("use-mq-eventfd"). Append(fmt.Sprintf("app-socket-api /tmp/%s/Configure2Veths/var/run/app_ns_sockets/1", srvInstance)).Close(). SaveToFile(srvVcl) if err != nil { t.Errorf("%v", err) t.FailNow() } fmt.Printf("attaching server to vpp") // FIXME time.Sleep(5 * time.Second) srvEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+srvVcl) go StartServerApp(srvCh, stopServerCh, srvEnv) err = <-srvCh if err != nil { s.FailNow("vcl server", "%v", err) } fmt.Println("attaching client to vpp") clnEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+clnVcl) go StartClientApp(clnEnv, clnCh) // wait for client's result err = <-clnCh if err != nil { s.Failf("client", "%v", err) } // stop server stopServerCh <- struct{}{} }