package main import ( "fmt" "time" ) func (s *VethsSuite) TestVclEchoQuic() { s.skip("quic test skipping..") s.testVclEcho("quic") } func (s *VethsSuite) TestVclEchoUdp() { s.skip("udp echo currently broken in vpp, skipping..") s.testVclEcho("udp") } func (s *VethsSuite) TestVclEchoTcp() { s.testVclEcho("tcp") } func (s *VethsSuite) testVclEcho(proto string) { serverVethAddress := s.veths["vppsrv"].Address() uri := proto + "://" + serverVethAddress + "/12344" echoSrvContainer := s.getContainerByName("server-application") serverCommand := "vpp_echo server TX=RX" + " socket-name " + echoSrvContainer.GetContainerWorkDir() + "/var/run/app_ns_sockets/1" + " use-app-socket-api" + " uri " + uri s.log(serverCommand) err := echoSrvContainer.execServer(serverCommand) s.assertNil(err) echoClnContainer := s.getContainerByName("client-application") clientCommand := "vpp_echo client" + " socket-name " + echoClnContainer.GetContainerWorkDir() + "/var/run/app_ns_sockets/2" + " use-app-socket-api uri " + uri s.log(clientCommand) o, err := echoClnContainer.exec(clientCommand) s.assertNil(err) s.log(o) } func (s *VethsSuite) TestVclRetryAttach() { s.skip("this test takes too long, for now it's being skipped") s.testRetryAttach("tcp") } func (s *VethsSuite) testRetryAttach(proto string) { srvVppContainer := s.getContainerCopyByName("server-vpp") echoSrvContainer := s.getContainerByName("server-application") serverVclConfContent := fmt.Sprintf(vclTemplate, echoSrvContainer.GetContainerWorkDir(), "1") echoSrvContainer.createFile("/vcl.conf", serverVclConfContent) echoSrvContainer.addEnvVar("VCL_CONFIG", "/vcl.conf") err := echoSrvContainer.execServer("vcl_test_server -p " + proto + " 12346") s.assertNil(err) s.log("This whole test case can take around 3 minutes to run. Please be patient.") s.log("... Running first echo client test, before disconnect.") serverVeth := s.veths[serverInterfaceName] serverVethAddress := serverVeth.Address() echoClnContainer := s.getContainerCopyByName("client-application") clientVclConfContent := fmt.Sprintf(vclTemplate, echoClnContainer.GetContainerWorkDir(), "2") echoClnContainer.createFile("/vcl.conf", clientVclConfContent) testClientCommand := "vcl_test_client -U -p " + proto + " " + serverVethAddress + " 12346" echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf") o, err := echoClnContainer.exec(testClientCommand) s.log(o) s.assertNil(err) s.log("... First test ended. Stopping VPP server now.") // Stop server-vpp-instance, start it again and then run vcl-test-client once more srvVppContainer.vppInstance.disconnect() stopVppCommand := "/bin/bash -c 'ps -C vpp_main -o pid= | xargs kill -9'" _, err = srvVppContainer.exec(stopVppCommand) s.assertNil(err) s.setupServerVpp() s.log("... VPP server is starting again, so waiting for a bit.") time.Sleep(30 * time.Second) // Wait a moment for the re-attachment to happen s.log("... Running second echo client test, after disconnect and re-attachment.") o, err = echoClnContainer.exec(testClientCommand) s.log(o) s.assertNil(err) s.log("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") serverVeth := s.veths[serverInterfaceName] _, err = serverVpp.vppctl("test echo server uri tcp://%s/20022", serverVeth.Address()) 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") s.log(output) }