package main
-import (
- "fmt"
+func (s *VethsSuite) TestEchoBuiltin() {
+ serverVpp := s.getContainerByName("server-vpp").vppInstance
+ serverVeth := s.netInterfaces["vppsrv"]
- "github.com/edwarnicke/exechelper"
-)
+ serverVpp.vppctl("test echo server " +
+ " uri tcp://" + serverVeth.ip4AddressString() + "/1234")
-func (s *VethsSuite) TestEchoBuiltin() {
- srvInstance := "echo-srv-internal"
- clnInstance := "echo-cln-internal"
+ clientVpp := s.getContainerByName("client-vpp").vppInstance
+
+ 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
- s.assertNil(dockerRun(srvInstance, ""), "failed to start docker (srv)")
- defer func() { exechelper.Run("docker stop " + srvInstance) }()
+ serverVeth := s.netInterfaces[serverInterfaceName]
+ serverVpp.vppctl("test echo server uri tcp://%s/20022",
+ serverVeth.ip4AddressString())
- s.assertNil(dockerRun(clnInstance, ""), "failed to start docker (cln)")
- defer func() { exechelper.Run("docker stop " + clnInstance) }()
+ clientVpp := s.getContainerByName("client-vpp").vppInstance
- _, err := hstExec("Configure2Veths srv", srvInstance)
- s.assertNil(err)
+ // 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())
- _, err = hstExec("Configure2Veths cln", clnInstance)
- s.assertNil(err)
+ // 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")
- _, err = hstExec("RunEchoSrvInternal private-segment-size 1g fifo-size 4 no-echo", srvInstance)
- s.assertNil(err)
+ clientVpp.vppctl("nsim output-feature enable-disable host-vppcln")
- o, err := hstExec("RunEchoClnInternal nclients 10000 bytes 1 syn-timeout 100 test-timeout 100 no-return private-segment-size 1g fifo-size 4", clnInstance)
- s.assertNil(err)
- fmt.Println(o)
+ // 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")
}