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Diffstat (limited to 'test/packetimpact/testbench/testbench.go')
| -rw-r--r-- | test/packetimpact/testbench/testbench.go | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/test/packetimpact/testbench/testbench.go b/test/packetimpact/testbench/testbench.go deleted file mode 100644 index c1db95d8c..000000000 --- a/test/packetimpact/testbench/testbench.go +++ /dev/null @@ -1,134 +0,0 @@ -// Copyright 2020 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package testbench has utilities to send and receive packets, and also command -// the DUT to run POSIX functions. It is the packetimpact test API. -package testbench - -import ( - "flag" - "fmt" - "math/rand" - "net" - "os/exec" - "testing" - "time" - - "gvisor.dev/gvisor/test/packetimpact/netdevs" -) - -var ( - // Native indicates that the test is being run natively. - Native = false - // LocalDevice is the device that testbench uses to inject traffic. - LocalDevice = "" - // RemoteDevice is the device name on the DUT, individual tests can - // use the name to construct tests. - RemoteDevice = "" - - // LocalIPv4 is the local IPv4 address on the test network. - LocalIPv4 = "" - // RemoteIPv4 is the DUT's IPv4 address on the test network. - RemoteIPv4 = "" - // IPv4PrefixLength is the network prefix length of the IPv4 test network. - IPv4PrefixLength = 0 - - // LocalIPv6 is the local IPv6 address on the test network. - LocalIPv6 = "" - // RemoteIPv6 is the DUT's IPv6 address on the test network. - RemoteIPv6 = "" - - // LocalInterfaceID is the ID of the local interface on the test network. - LocalInterfaceID uint32 - // RemoteInterfaceID is the ID of the remote interface on the test network. - // - // Not using uint32 because package flag does not support uint32. - RemoteInterfaceID uint64 - - // LocalMAC is the local MAC address on the test network. - LocalMAC = "" - // RemoteMAC is the DUT's MAC address on the test network. - RemoteMAC = "" - - // POSIXServerIP is the POSIX server's IP address on the control network. - POSIXServerIP = "" - // POSIXServerPort is the UDP port the POSIX server is bound to on the - // control network. - POSIXServerPort = 40000 - - // RPCKeepalive is the gRPC keepalive. - RPCKeepalive = 10 * time.Second - // RPCTimeout is the gRPC timeout. - RPCTimeout = 100 * time.Millisecond -) - -// RegisterFlags defines flags and associates them with the package-level -// exported variables above. It should be called by tests in their init -// functions. -func RegisterFlags(fs *flag.FlagSet) { - fs.StringVar(&POSIXServerIP, "posix_server_ip", POSIXServerIP, "ip address to listen to for UDP commands") - fs.IntVar(&POSIXServerPort, "posix_server_port", POSIXServerPort, "port to listen to for UDP commands") - fs.DurationVar(&RPCTimeout, "rpc_timeout", RPCTimeout, "gRPC timeout") - fs.DurationVar(&RPCKeepalive, "rpc_keepalive", RPCKeepalive, "gRPC keepalive") - fs.StringVar(&LocalIPv4, "local_ipv4", LocalIPv4, "local IPv4 address for test packets") - fs.StringVar(&RemoteIPv4, "remote_ipv4", RemoteIPv4, "remote IPv4 address for test packets") - fs.StringVar(&RemoteIPv6, "remote_ipv6", RemoteIPv6, "remote IPv6 address for test packets") - fs.StringVar(&RemoteMAC, "remote_mac", RemoteMAC, "remote mac address for test packets") - fs.StringVar(&LocalDevice, "local_device", LocalDevice, "local device to inject traffic") - fs.StringVar(&RemoteDevice, "remote_device", RemoteDevice, "remote device on the DUT") - fs.BoolVar(&Native, "native", Native, "whether the test is running natively") - fs.Uint64Var(&RemoteInterfaceID, "remote_interface_id", RemoteInterfaceID, "remote interface ID for test packets") -} - -// genPseudoFlags populates flag-like global config based on real flags. -// -// genPseudoFlags must only be called after flag.Parse. -func genPseudoFlags() error { - out, err := exec.Command("ip", "addr", "show").CombinedOutput() - if err != nil { - return fmt.Errorf("listing devices: %q: %w", string(out), err) - } - devs, err := netdevs.ParseDevices(string(out)) - if err != nil { - return fmt.Errorf("parsing devices: %w", err) - } - - _, deviceInfo, err := netdevs.FindDeviceByIP(net.ParseIP(LocalIPv4), devs) - if err != nil { - return fmt.Errorf("can't find deviceInfo: %w", err) - } - - LocalMAC = deviceInfo.MAC.String() - LocalIPv6 = deviceInfo.IPv6Addr.String() - LocalInterfaceID = deviceInfo.ID - - if deviceInfo.IPv4Net != nil { - IPv4PrefixLength, _ = deviceInfo.IPv4Net.Mask.Size() - } else { - IPv4PrefixLength, _ = net.ParseIP(LocalIPv4).DefaultMask().Size() - } - - return nil -} - -// GenerateRandomPayload generates a random byte slice of the specified length, -// causing a fatal test failure if it is unable to do so. -func GenerateRandomPayload(t *testing.T, n int) []byte { - t.Helper() - buf := make([]byte, n) - if _, err := rand.Read(buf); err != nil { - t.Fatalf("rand.Read(buf) failed: %s", err) - } - return buf -} |