package main
func (s *VethsSuite) TestEchoBuiltin() {
- serverContainer := s.getContainerByName("server-vpp")
- _, err := serverContainer.execAction("Configure2Veths srv")
- s.assertNil(err)
+ serverVpp := s.getContainerByName("server-vpp").vppInstance
+ serverVeth := s.netInterfaces["vppsrv"]
- clientContainer := s.getContainerByName("client-vpp")
- _, err = clientContainer.execAction("Configure2Veths cln")
- s.assertNil(err)
+ serverVpp.vppctl("test echo server " +
+ " uri tcp://" + serverVeth.ip4AddressString() + "/1234")
- _, err = serverContainer.execAction("RunEchoSrvInternal private-segment-size 1g fifo-size 4 no-echo")
- s.assertNil(err)
+ clientVpp := s.getContainerByName("client-vpp").vppInstance
- o, err := clientContainer.execAction("RunEchoClnInternal nclients 10000 bytes 1 syn-timeout 100 test-timeout 100 no-return private-segment-size 1g fifo-size 4")
- s.assertNil(err)
+ o := clientVpp.vppctl("test echo client nclients 100 bytes 1 verbose" +
+ " syn-timeout 100 test-timeout 100" +
+ " uri tcp://" + serverVeth.ip4AddressString() + "/1234")
s.log(o)
+ s.assertNotContains(o, "failed:")
+}
+
+func (s *VethsSuite) TestTcpWithLoss() {
+ serverVpp := s.getContainerByName("server-vpp").vppInstance
+
+ serverVeth := s.netInterfaces[serverInterfaceName]
+ serverVpp.vppctl("test echo server uri tcp://%s/20022",
+ serverVeth.ip4AddressString())
+
+ clientVpp := s.getContainerByName("client-vpp").vppInstance
+
+ // Ensure that VPP doesn't abort itself with NSIM enabled
+ // Warning: Removing this ping will make the test fail!
+ clientVpp.vppctl("ping %s", serverVeth.ip4AddressString())
+
+ // Add loss of packets with Network Delay Simulator
+ clientVpp.vppctl("set nsim poll-main-thread delay 0.01 ms bandwidth 40 gbit" +
+ " packet-size 1400 packets-per-drop 1000")
+
+ clientVpp.vppctl("nsim output-feature enable-disable host-vppcln")
+
+ // Do echo test from client-vpp container
+ output := clientVpp.vppctl("test echo client uri tcp://%s/20022 verbose echo-bytes mbytes 50",
+ serverVeth.ip4AddressString())
+ s.log(output)
+ s.assertNotEqual(len(output), 0)
+ s.assertNotContains(output, "failed: timeout")
}