8 func (s *VethsSuite) TestVclEchoQuic() {
9 s.skip("quic test skipping..")
13 func (s *VethsSuite) TestVclEchoUdp() {
14 s.skip("udp echo currently broken in vpp, skipping..")
18 func (s *VethsSuite) TestVclEchoTcp() {
22 func (s *VethsSuite) testVclEcho(proto string) {
23 serverVethAddress := s.veths["vppsrv"].Address()
24 uri := proto + "://" + serverVethAddress + "/12344"
26 echoSrvContainer := s.getContainerByName("server-application")
27 serverCommand := "vpp_echo server TX=RX" +
28 " socket-name " + echoSrvContainer.GetContainerWorkDir() + "/var/run/app_ns_sockets/1" +
29 " use-app-socket-api" +
32 err := echoSrvContainer.execServer(serverCommand)
35 echoClnContainer := s.getContainerByName("client-application")
37 clientCommand := "vpp_echo client" +
38 " socket-name " + echoClnContainer.GetContainerWorkDir() + "/var/run/app_ns_sockets/2" +
39 " use-app-socket-api uri " + uri
41 o, err := echoClnContainer.exec(clientCommand)
47 func (s *VethsSuite) TestVclRetryAttach() {
48 s.skip("this test takes too long, for now it's being skipped")
49 s.testRetryAttach("tcp")
52 func (s *VethsSuite) testRetryAttach(proto string) {
53 srvVppContainer := s.getContainerCopyByName("server-vpp")
55 echoSrvContainer := s.getContainerByName("server-application")
57 serverVclConfContent := fmt.Sprintf(vclTemplate, echoSrvContainer.GetContainerWorkDir(), "1")
58 echoSrvContainer.createFile("/vcl.conf", serverVclConfContent)
60 echoSrvContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
61 err := echoSrvContainer.execServer("vcl_test_server -p " + proto + " 12346")
64 s.log("This whole test case can take around 3 minutes to run. Please be patient.")
65 s.log("... Running first echo client test, before disconnect.")
67 serverVeth := s.veths[serverInterfaceName]
68 serverVethAddress := serverVeth.Address()
70 echoClnContainer := s.getContainerCopyByName("client-application")
71 clientVclConfContent := fmt.Sprintf(vclTemplate, echoClnContainer.GetContainerWorkDir(), "2")
72 echoClnContainer.createFile("/vcl.conf", clientVclConfContent)
74 testClientCommand := "vcl_test_client -U -p " + proto + " " + serverVethAddress + " 12346"
75 echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
76 o, err := echoClnContainer.exec(testClientCommand)
79 s.log("... First test ended. Stopping VPP server now.")
81 // Stop server-vpp-instance, start it again and then run vcl-test-client once more
82 srvVppContainer.vppInstance.disconnect()
83 stopVppCommand := "/bin/bash -c 'ps -C vpp_main -o pid= | xargs kill -9'"
84 _, err = srvVppContainer.exec(stopVppCommand)
89 s.log("... VPP server is starting again, so waiting for a bit.")
90 time.Sleep(30 * time.Second) // Wait a moment for the re-attachment to happen
92 s.log("... Running second echo client test, after disconnect and re-attachment.")
93 o, err = echoClnContainer.exec(testClientCommand)
99 func (s *VethsSuite) TestTcpWithLoss() {
100 serverContainer := s.getContainerByName("server-vpp")
102 serverVpp := NewVppInstance(serverContainer)
103 s.assertNotNil(serverVpp)
104 serverVpp.set2VethsServer()
105 err := serverVpp.start()
106 s.assertNil(err, "starting VPP failed")
108 serverVeth := s.veths[serverInterfaceName]
109 _, err = serverVpp.vppctl("test echo server uri tcp://%s/20022", serverVeth.Address())
110 s.assertNil(err, "starting echo server failed")
112 clientContainer := s.getContainerByName("client-vpp")
114 clientVpp := NewVppInstance(clientContainer)
115 s.assertNotNil(clientVpp)
116 clientVpp.set2VethsClient()
117 err = clientVpp.start()
118 s.assertNil(err, "starting VPP failed")
120 // Ensure that VPP doesn't abort itself with NSIM enabled
121 // Warning: Removing this ping will make the test fail!
122 _, err = serverVpp.vppctl("ping 10.10.10.2")
123 s.assertNil(err, "ping failed")
125 // Add loss of packets with Network Delay Simulator
126 _, err = clientVpp.vppctl("set nsim poll-main-thread delay 0.01 ms bandwidth 40 gbit packet-size 1400 packets-per-drop 1000")
127 s.assertNil(err, "configuring NSIM failed")
128 _, err = clientVpp.vppctl("nsim output-feature enable-disable host-vppcln")
129 s.assertNil(err, "enabling NSIM failed")
131 // Do echo test from client-vpp container
132 output, err := clientVpp.vppctl("test echo client uri tcp://10.10.10.1/20022 mbytes 50")
134 s.assertEqual(true, len(output) != 0)
135 s.assertNotContains(output, "failed: timeout")