8 func (s *VethsSuite) testVclEcho(proto string) {
10 srvVppCont := s.getContainerByName("server-vpp")
11 srvAppCont := s.getContainerByName("server-app")
13 serverVclConfContent := fmt.Sprintf(vclTemplate, srvVppCont.getContainerWorkDir(), "1")
14 srvAppCont.createFile("/vcl.conf", serverVclConfContent)
15 srvAppCont.addEnvVar("VCL_CONFIG", "/vcl.conf")
16 srvAppCont.execServer("vcl_test_server " + port)
18 serverVeth := s.netInterfaces[serverInterfaceName]
19 serverVethAddress := serverVeth.ip4AddressString()
21 echoClnContainer := s.getTransientContainerByName("client-app")
22 clientVclConfContent := fmt.Sprintf(vclTemplate, echoClnContainer.getContainerWorkDir(), "2")
23 echoClnContainer.createFile("/vcl.conf", clientVclConfContent)
25 testClientCommand := "vcl_test_client -p " + proto + " " + serverVethAddress + " " + port
26 echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
27 o := echoClnContainer.exec(testClientCommand)
31 func (s *VethsSuite) TestVclEchoTcp() {
35 func (s *VethsSuite) TestVclEchoUdp() {
39 func (s *VethsSuite) TestVclRetryAttach() {
40 s.skip("this test takes too long, for now it's being skipped")
41 s.testRetryAttach("tcp")
44 func (s *VethsSuite) testRetryAttach(proto string) {
45 srvVppContainer := s.getTransientContainerByName("server-vpp")
47 echoSrvContainer := s.getContainerByName("server-app")
49 serverVclConfContent := fmt.Sprintf(vclTemplate, echoSrvContainer.getContainerWorkDir(), "1")
50 echoSrvContainer.createFile("/vcl.conf", serverVclConfContent)
52 echoSrvContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
53 echoSrvContainer.execServer("vcl_test_server -p " + proto + " 12346")
55 s.log("This whole test case can take around 3 minutes to run. Please be patient.")
56 s.log("... Running first echo client test, before disconnect.")
58 serverVeth := s.netInterfaces[serverInterfaceName]
59 serverVethAddress := serverVeth.ip4AddressString()
61 echoClnContainer := s.getTransientContainerByName("client-app")
62 clientVclConfContent := fmt.Sprintf(vclTemplate, echoClnContainer.getContainerWorkDir(), "2")
63 echoClnContainer.createFile("/vcl.conf", clientVclConfContent)
65 testClientCommand := "vcl_test_client -U -p " + proto + " " + serverVethAddress + " 12346"
66 echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
67 o := echoClnContainer.exec(testClientCommand)
69 s.log("... First test ended. Stopping VPP server now.")
71 // Stop server-vpp-instance, start it again and then run vcl-test-client once more
72 srvVppContainer.vppInstance.disconnect()
73 stopVppCommand := "/bin/bash -c 'ps -C vpp_main -o pid= | xargs kill -9'"
74 srvVppContainer.exec(stopVppCommand)
78 s.log("... VPP server is starting again, so waiting for a bit.")
79 time.Sleep(30 * time.Second) // Wait a moment for the re-attachment to happen
81 s.log("... Running second echo client test, after disconnect and re-attachment.")
82 o = echoClnContainer.exec(testClientCommand)
87 func (s *VethsSuite) TestTcpWithLoss() {
88 serverVpp := s.getContainerByName("server-vpp").vppInstance
90 serverVeth := s.netInterfaces[serverInterfaceName]
91 serverVpp.vppctl("test echo server uri tcp://%s/20022",
92 serverVeth.ip4AddressString())
94 clientVpp := s.getContainerByName("client-vpp").vppInstance
96 // Ensure that VPP doesn't abort itself with NSIM enabled
97 // Warning: Removing this ping will make the test fail!
98 clientVpp.vppctl("ping %s", serverVeth.ip4AddressString())
100 // Add loss of packets with Network Delay Simulator
101 clientVpp.vppctl("set nsim poll-main-thread delay 0.01 ms bandwidth 40 gbit" +
102 " packet-size 1400 packets-per-drop 1000")
104 clientVpp.vppctl("nsim output-feature enable-disable host-vppcln")
106 // Do echo test from client-vpp container
107 output := clientVpp.vppctl("test echo client uri tcp://%s/20022 mbytes 50",
108 serverVeth.ip4AddressString())
109 s.assertEqual(true, len(output) != 0)
110 s.assertNotContains(output, "failed: timeout")