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package main
import (
"fmt"
"time"
)
func (s *VethsSuite) TestVclEchoQuic() {
s.T().Skip("quic test skipping..")
s.testVclEcho("quic")
}
func (s *VethsSuite) TestVclEchoUdp() {
s.T().Skip("udp echo currently broken in vpp, skipping..")
s.testVclEcho("udp")
}
func (s *VethsSuite) TestVclEchoTcp() {
s.testVclEcho("tcp")
}
func (s *VethsSuite) testVclEcho(proto string) {
srvVppContainer := s.getContainerByName("server-vpp")
_, err := srvVppContainer.execAction("Configure2Veths srv")
s.assertNil(err)
clnVppContainer := s.getContainerByName("client-vpp")
_, err = clnVppContainer.execAction("Configure2Veths cln")
s.assertNil(err)
echoSrvContainer := s.getContainerByName("server-application")
// run server app
_, err = echoSrvContainer.execAction("RunEchoServer "+proto)
s.assertNil(err)
echoClnContainer := s.getContainerByName("client-application")
o, err := echoClnContainer.execAction("RunEchoClient "+proto)
s.assertNil(err)
fmt.Println(o)
}
func (s *VethsSuite) TestVclRetryAttach() {
s.T().Skip()
s.testRetryAttach("tcp")
}
func (s *VethsSuite) testRetryAttach(proto string) {
srvVppContainer := s.getContainerByName("server-vpp")
_, err := srvVppContainer.execAction("Configure2Veths srv-with-preset-hw-addr")
s.assertNil(err)
clnVppContainer := s.getContainerByName("client-vpp")
_, err = clnVppContainer.execAction("Configure2Veths cln")
s.assertNil(err)
echoSrvContainer := s.getContainerByName("server-application")
_, err = echoSrvContainer.execAction("RunVclEchoServer "+proto)
s.assertNil(err)
fmt.Println("This whole test case can take around 3 minutes to run. Please be patient.")
fmt.Println("... Running first echo client test, before disconnect.")
echoClnContainer := s.getContainerByName("client-application")
_, err = echoClnContainer.execAction("RunVclEchoClient "+proto)
s.assertNil(err)
fmt.Println("... First test ended. Stopping VPP server now.")
// Stop server-vpp-instance, start it again and then run vcl-test-client once more
stopVppCommand := "/bin/bash -c 'ps -C vpp_main -o pid= | xargs kill -9'"
_, err = srvVppContainer.exec(stopVppCommand)
s.assertNil(err)
time.Sleep(5 * time.Second) // Give parent process time to reap the killed child process
stopVppCommand = "/bin/bash -c 'ps -C hs-test -o pid= | xargs kill -9'"
_, err = srvVppContainer.exec(stopVppCommand)
s.assertNil(err)
_, err = srvVppContainer.execAction("Configure2Veths srv-with-preset-hw-addr")
s.assertNil(err)
fmt.Println("... VPP server is starting again, so waiting for a bit.")
time.Sleep(30 * time.Second) // Wait a moment for the re-attachment to happen
fmt.Println("... Running second echo client test, after disconnect and re-attachment.")
_, err = echoClnContainer.execAction("RunVclEchoClient "+proto)
s.assertNil(err)
fmt.Println("Done.")
}
func (s *VethsSuite) TestTcpWithLoss() {
serverContainer := s.getContainerByName("server-vpp")
serverVpp := NewVppInstance(serverContainer)
s.assertNotNil(serverVpp)
serverVpp.set2VethsServer()
err := serverVpp.start()
s.assertNil(err, "starting VPP failed")
_, err = serverVpp.vppctl("test echo server uri tcp://10.10.10.1/20022")
s.assertNil(err, "starting echo server failed")
clientContainer := s.getContainerByName("client-vpp")
clientVpp := NewVppInstance(clientContainer)
s.assertNotNil(clientVpp)
clientVpp.set2VethsClient()
err = clientVpp.start()
s.assertNil(err, "starting VPP failed")
// Ensure that VPP doesn't abort itself with NSIM enabled
// Warning: Removing this ping will make the test fail!
_, err = serverVpp.vppctl("ping 10.10.10.2")
s.assertNil(err, "ping failed")
// Add loss of packets with Network Delay Simulator
_, err = clientVpp.vppctl("set nsim poll-main-thread delay 0.01 ms bandwidth 40 gbit packet-size 1400 packets-per-drop 1000")
s.assertNil(err, "configuring NSIM failed")
_, err = clientVpp.vppctl("nsim output-feature enable-disable host-vppcln")
s.assertNil(err, "enabling NSIM failed")
// Do echo test from client-vpp container
output, err := clientVpp.vppctl("test echo client uri tcp://10.10.10.1/20022 mbytes 50")
s.assertNil(err)
s.assertEqual(true, len(output) != 0)
s.assertNotContains(output, "failed: timeout")
fmt.Println(output)
}
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