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package main
import (
"fmt"
"os"
)
func (s *VethsSuite) TestLDPreloadIperfVpp() {
var clnVclConf, srvVclConf Stanza
serverContainer := s.getContainerByName("server-vpp")
serverVclFileName := serverContainer.getHostWorkDir() + "/vcl_srv.conf"
clientContainer := s.getContainerByName("client-vpp")
clientVclFileName := clientContainer.getHostWorkDir() + "/vcl_cln.conf"
ldpreload := os.Getenv("HST_LDPRELOAD")
s.assertNotEqual("", ldpreload)
ldpreload = "LD_PRELOAD=" + ldpreload
stopServerCh := make(chan struct{}, 1)
srvCh := make(chan error, 1)
clnCh := make(chan error)
s.log("starting VPPs")
clientAppSocketApi := fmt.Sprintf("app-socket-api %s/var/run/app_ns_sockets/default",
clientContainer.getHostWorkDir())
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(clientAppSocketApi).close().
saveToFile(clientVclFileName)
s.assertNil(err, err)
serverAppSocketApi := fmt.Sprintf("app-socket-api %s/var/run/app_ns_sockets/default",
serverContainer.getHostWorkDir())
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(serverAppSocketApi).close().
saveToFile(serverVclFileName)
s.assertNil(err, err)
s.log("attaching server to vpp")
srvEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+serverVclFileName)
go s.startServerApp(srvCh, stopServerCh, srvEnv)
err = <-srvCh
s.assertNil(err, err)
s.log("attaching client to vpp")
var clnRes = make(chan string, 1)
clnEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+clientVclFileName)
serverVethAddress := s.netInterfaces[serverInterfaceName].ip4AddressString()
go s.startClientApp(serverVethAddress, clnEnv, clnCh, clnRes)
s.log(<-clnRes)
// wait for client's result
err = <-clnCh
s.assertNil(err, err)
// stop server
stopServerCh <- struct{}{}
}
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