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-rw-r--r--test/packetimpact/tests/BUILD13
-rw-r--r--test/packetimpact/tests/udp_any_addr_recv_unicast_test.go51
-rw-r--r--test/packetimpact/tests/udp_icmp_error_propagation_test.go8
-rw-r--r--test/packetimpact/tests/udp_recv_mcast_bcast_test.go16
-rw-r--r--test/packetimpact/tests/udp_send_recv_dgram_test.go6
5 files changed, 81 insertions, 13 deletions
diff --git a/test/packetimpact/tests/BUILD b/test/packetimpact/tests/BUILD
index 27905dcff..0c2a05380 100644
--- a/test/packetimpact/tests/BUILD
+++ b/test/packetimpact/tests/BUILD
@@ -46,6 +46,18 @@ packetimpact_go_test(
"//pkg/tcpip",
"//pkg/tcpip/header",
"//test/packetimpact/testbench",
+ "@com_github_google_go_cmp//cmp:go_default_library",
+ "@org_golang_x_sys//unix:go_default_library",
+ ],
+)
+
+packetimpact_go_test(
+ name = "udp_any_addr_recv_unicast",
+ srcs = ["udp_any_addr_recv_unicast_test.go"],
+ deps = [
+ "//pkg/tcpip",
+ "//test/packetimpact/testbench",
+ "@com_github_google_go_cmp//cmp:go_default_library",
"@org_golang_x_sys//unix:go_default_library",
],
)
@@ -294,6 +306,7 @@ packetimpact_go_test(
srcs = ["udp_send_recv_dgram_test.go"],
deps = [
"//test/packetimpact/testbench",
+ "@com_github_google_go_cmp//cmp:go_default_library",
"@org_golang_x_sys//unix:go_default_library",
],
)
diff --git a/test/packetimpact/tests/udp_any_addr_recv_unicast_test.go b/test/packetimpact/tests/udp_any_addr_recv_unicast_test.go
new file mode 100644
index 000000000..17f32ef65
--- /dev/null
+++ b/test/packetimpact/tests/udp_any_addr_recv_unicast_test.go
@@ -0,0 +1,51 @@
+// 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 udp_any_addr_recv_unicast_test
+
+import (
+ "flag"
+ "net"
+ "testing"
+
+ "github.com/google/go-cmp/cmp"
+ "golang.org/x/sys/unix"
+ "gvisor.dev/gvisor/pkg/tcpip"
+ "gvisor.dev/gvisor/test/packetimpact/testbench"
+)
+
+func init() {
+ testbench.RegisterFlags(flag.CommandLine)
+}
+
+func TestAnyRecvUnicastUDP(t *testing.T) {
+ dut := testbench.NewDUT(t)
+ defer dut.TearDown()
+ boundFD, remotePort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.IPv4zero)
+ defer dut.Close(t, boundFD)
+ conn := testbench.NewUDPIPv4(t, testbench.UDP{DstPort: &remotePort}, testbench.UDP{SrcPort: &remotePort})
+ defer conn.Close(t)
+
+ payload := testbench.GenerateRandomPayload(t, 1<<10 /* 1 KiB */)
+ conn.SendIP(
+ t,
+ testbench.IPv4{DstAddr: testbench.Address(tcpip.Address(net.ParseIP(testbench.RemoteIPv4).To4()))},
+ testbench.UDP{},
+ &testbench.Payload{Bytes: payload},
+ )
+ got, want := dut.Recv(t, boundFD, int32(len(payload)+1), 0), payload
+ if diff := cmp.Diff(want, got); diff != "" {
+ t.Errorf("received payload does not match sent payload, diff (-want, +got):\n%s", diff)
+ }
+}
diff --git a/test/packetimpact/tests/udp_icmp_error_propagation_test.go b/test/packetimpact/tests/udp_icmp_error_propagation_test.go
index 715e8f5b5..b47ddb6c3 100644
--- a/test/packetimpact/tests/udp_icmp_error_propagation_test.go
+++ b/test/packetimpact/tests/udp_icmp_error_propagation_test.go
@@ -227,12 +227,12 @@ func TestUDPICMPErrorPropagation(t *testing.T) {
dut := testbench.NewDUT(t)
defer dut.TearDown()
- remoteFD, remotePort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.ParseIP("0.0.0.0"))
+ remoteFD, remotePort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.IPv4zero)
defer dut.Close(t, remoteFD)
// Create a second, clean socket on the DUT to ensure that the ICMP
// error messages only affect the sockets they are intended for.
- cleanFD, cleanPort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.ParseIP("0.0.0.0"))
+ cleanFD, cleanPort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.IPv4zero)
defer dut.Close(t, cleanFD)
conn := testbench.NewUDPIPv4(t, testbench.UDP{DstPort: &remotePort}, testbench.UDP{SrcPort: &remotePort})
@@ -281,12 +281,12 @@ func TestICMPErrorDuringUDPRecv(t *testing.T) {
dut := testbench.NewDUT(t)
defer dut.TearDown()
- remoteFD, remotePort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.ParseIP("0.0.0.0"))
+ remoteFD, remotePort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.IPv4zero)
defer dut.Close(t, remoteFD)
// Create a second, clean socket on the DUT to ensure that the ICMP
// error messages only affect the sockets they are intended for.
- cleanFD, cleanPort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.ParseIP("0.0.0.0"))
+ cleanFD, cleanPort := dut.CreateBoundSocket(t, unix.SOCK_DGRAM, unix.IPPROTO_UDP, net.IPv4zero)
defer dut.Close(t, cleanFD)
conn := testbench.NewUDPIPv4(t, testbench.UDP{DstPort: &remotePort}, testbench.UDP{SrcPort: &remotePort})
diff --git a/test/packetimpact/tests/udp_recv_mcast_bcast_test.go b/test/packetimpact/tests/udp_recv_mcast_bcast_test.go
index df972b33d..526173969 100644
--- a/test/packetimpact/tests/udp_recv_mcast_bcast_test.go
+++ b/test/packetimpact/tests/udp_recv_mcast_bcast_test.go
@@ -22,6 +22,7 @@ import (
"syscall"
"testing"
+ "github.com/google/go-cmp/cmp"
"golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/test/packetimpact/testbench"
@@ -37,9 +38,9 @@ func TestUDPRecvMcastBcast(t *testing.T) {
for _, v := range []struct {
bound, to net.IP
}{
- {bound: net.IPv4(0, 0, 0, 0), to: subnetBcastAddr},
- {bound: net.IPv4(0, 0, 0, 0), to: net.IPv4bcast},
- {bound: net.IPv4(0, 0, 0, 0), to: net.IPv4allsys},
+ {bound: net.IPv4zero, to: subnetBcastAddr},
+ {bound: net.IPv4zero, to: net.IPv4bcast},
+ {bound: net.IPv4zero, to: net.IPv4allsys},
{bound: subnetBcastAddr, to: subnetBcastAddr},
{bound: subnetBcastAddr, to: net.IPv4bcast},
@@ -55,15 +56,16 @@ func TestUDPRecvMcastBcast(t *testing.T) {
conn := testbench.NewUDPIPv4(t, testbench.UDP{DstPort: &remotePort}, testbench.UDP{SrcPort: &remotePort})
defer conn.Close(t)
- payload := testbench.GenerateRandomPayload(t, 1<<10)
+ payload := testbench.GenerateRandomPayload(t, 1<<10 /* 1 KiB */)
conn.SendIP(
t,
testbench.IPv4{DstAddr: testbench.Address(tcpip.Address(v.to.To4()))},
testbench.UDP{},
&testbench.Payload{Bytes: payload},
)
- if got, want := string(dut.Recv(t, boundFD, int32(len(payload)), 0)), string(payload); got != want {
- t.Errorf("received payload does not match sent payload got: %s, want: %s", got, want)
+ got, want := dut.Recv(t, boundFD, int32(len(payload)+1), 0), payload
+ if diff := cmp.Diff(want, got); diff != "" {
+ t.Errorf("received payload does not match sent payload, diff (-want, +got):\n%s", diff)
}
})
}
@@ -84,7 +86,7 @@ func TestUDPDoesntRecvMcastBcastOnUnicastAddr(t *testing.T) {
net.IPv4(224, 0, 0, 1),
} {
t.Run(fmt.Sprint("to=%s", to), func(t *testing.T) {
- payload := testbench.GenerateRandomPayload(t, 1<<10)
+ payload := testbench.GenerateRandomPayload(t, 1<<10 /* 1 KiB */)
conn.SendIP(
t,
testbench.IPv4{DstAddr: testbench.Address(tcpip.Address(to.To4()))},
diff --git a/test/packetimpact/tests/udp_send_recv_dgram_test.go b/test/packetimpact/tests/udp_send_recv_dgram_test.go
index dc20275d6..91b967400 100644
--- a/test/packetimpact/tests/udp_send_recv_dgram_test.go
+++ b/test/packetimpact/tests/udp_send_recv_dgram_test.go
@@ -20,6 +20,7 @@ import (
"testing"
"time"
+ "github.com/google/go-cmp/cmp"
"golang.org/x/sys/unix"
"gvisor.dev/gvisor/test/packetimpact/testbench"
)
@@ -82,8 +83,9 @@ func TestUDP(t *testing.T) {
t.Run(tc.name, func(t *testing.T) {
t.Run("Send", func(t *testing.T) {
conn.Send(t, testbench.UDP{}, &testbench.Payload{Bytes: tc.payload})
- if got, want := string(dut.Recv(t, boundFD, int32(len(tc.payload)), 0)), string(tc.payload); got != want {
- t.Fatalf("received payload does not match sent payload got: %s, want: %s", got, want)
+ got, want := dut.Recv(t, boundFD, int32(len(tc.payload)+1), 0), tc.payload
+ if diff := cmp.Diff(want, got); diff != "" {
+ t.Fatalf("received payload does not match sent payload, diff (-want, +got):\n%s", diff)
}
})
t.Run("Recv", func(t *testing.T) {