1 files changed, 0 insertions, 265 deletions
diff --git a/test/packetimpact/tests/tcp_linger_test.go b/test/packetimpact/tests/tcp_linger_test.go
deleted file mode 100644
index 46b5ca5d8..000000000
--- a/test/packetimpact/tests/tcp_linger_test.go
+++ /dev/null
@@ -1,265 +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 tcp_linger_test
-
-import (
-	"context"
-	"flag"
-	"testing"
-	"time"
-
-	"golang.org/x/sys/unix"
-	"gvisor.dev/gvisor/pkg/tcpip/header"
-	"gvisor.dev/gvisor/test/packetimpact/testbench"
-)
-
-func init() {
-	testbench.Initialize(flag.CommandLine)
-}
-
-func createSocket(t *testing.T, dut testbench.DUT) (int32, int32, testbench.TCPIPv4) {
-	listenFD, remotePort := dut.CreateListener(t, unix.SOCK_STREAM, unix.IPPROTO_TCP, 1)
-	conn := dut.Net.NewTCPIPv4(t, testbench.TCP{DstPort: &remotePort}, testbench.TCP{SrcPort: &remotePort})
-	conn.Connect(t)
-	acceptFD, _ := dut.Accept(t, listenFD)
-	return acceptFD, listenFD, conn
-}
-
-func closeAll(t *testing.T, dut testbench.DUT, listenFD int32, conn testbench.TCPIPv4) {
-	conn.Close(t)
-	dut.Close(t, listenFD)
-}
-
-// lingerDuration is the timeout value used with SO_LINGER socket option.
-const lingerDuration = 3 * time.Second
-
-// TestTCPLingerZeroTimeout tests when SO_LINGER is set with zero timeout. DUT
-// should send RST-ACK when socket is closed.
-func TestTCPLingerZeroTimeout(t *testing.T) {
-	// Create a socket, listen, TCP connect, and accept.
-	dut := testbench.NewDUT(t)
-	acceptFD, listenFD, conn := createSocket(t, dut)
-	defer closeAll(t, dut, listenFD, conn)
-
-	dut.SetSockLingerOption(t, acceptFD, 0, true)
-	dut.Close(t, acceptFD)
-
-	// If the linger timeout is set to zero, the DUT should send a RST.
-	if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagRst | header.TCPFlagAck)}, time.Second); err != nil {
-		t.Errorf("expected RST-ACK packet within a second but got none: %s", err)
-	}
-	conn.Send(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagAck)})
-}
-
-// TestTCPLingerOff tests when SO_LINGER is not set. DUT should send FIN-ACK
-// when socket is closed.
-func TestTCPLingerOff(t *testing.T) {
-	// Create a socket, listen, TCP connect, and accept.
-	dut := testbench.NewDUT(t)
-	acceptFD, listenFD, conn := createSocket(t, dut)
-	defer closeAll(t, dut, listenFD, conn)
-
-	dut.Close(t, acceptFD)
-
-	// If SO_LINGER is not set, DUT should send a FIN-ACK.
-	if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagFin | header.TCPFlagAck)}, time.Second); err != nil {
-		t.Errorf("expected FIN-ACK packet within a second but got none: %s", err)
-	}
-	conn.Send(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagAck)})
-}
-
-// TestTCPLingerNonZeroTimeout tests when SO_LINGER is set with non-zero timeout.
-// DUT should close the socket after timeout.
-func TestTCPLingerNonZeroTimeout(t *testing.T) {
-	for _, tt := range []struct {
-		description string
-		lingerOn    bool
-	}{
-		{"WithNonZeroLinger", true},
-		{"WithoutLinger", false},
-	} {
-		t.Run(tt.description, func(t *testing.T) {
-			// Create a socket, listen, TCP connect, and accept.
-			dut := testbench.NewDUT(t)
-			acceptFD, listenFD, conn := createSocket(t, dut)
-			defer closeAll(t, dut, listenFD, conn)
-
-			dut.SetSockLingerOption(t, acceptFD, lingerDuration, tt.lingerOn)
-
-			start := time.Now()
-			dut.CloseWithErrno(context.Background(), t, acceptFD)
-			elapsed := time.Since(start)
-
-			expectedMaximum := time.Second
-			if tt.lingerOn {
-				expectedMaximum += lingerDuration
-				if elapsed < lingerDuration {
-					t.Errorf("expected close to take at least %s, but took %s", lingerDuration, elapsed)
-				}
-			}
-			if elapsed >= expectedMaximum {
-				t.Errorf("expected close to take at most %s, but took %s", expectedMaximum, elapsed)
-			}
-
-			if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagFin | header.TCPFlagAck)}, time.Second); err != nil {
-				t.Errorf("expected FIN-ACK packet within a second but got none: %s", err)
-			}
-			conn.Send(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagAck)})
-		})
-	}
-}
-
-// TestTCPLingerSendNonZeroTimeout tests when SO_LINGER is set with non-zero
-// timeout and send a packet. DUT should close the socket after timeout.
-func TestTCPLingerSendNonZeroTimeout(t *testing.T) {
-	for _, tt := range []struct {
-		description string
-		lingerOn    bool
-	}{
-		{"WithSendNonZeroLinger", true},
-		{"WithoutLinger", false},
-	} {
-		t.Run(tt.description, func(t *testing.T) {
-			// Create a socket, listen, TCP connect, and accept.
-			dut := testbench.NewDUT(t)
-			acceptFD, listenFD, conn := createSocket(t, dut)
-			defer closeAll(t, dut, listenFD, conn)
-
-			dut.SetSockLingerOption(t, acceptFD, lingerDuration, tt.lingerOn)
-
-			// Send data.
-			sampleData := []byte("Sample Data")
-			dut.Send(t, acceptFD, sampleData, 0)
-
-			start := time.Now()
-			dut.CloseWithErrno(context.Background(), t, acceptFD)
-			elapsed := time.Since(start)
-
-			expectedMaximum := time.Second
-			if tt.lingerOn {
-				expectedMaximum += lingerDuration
-				if elapsed < lingerDuration {
-					t.Errorf("expected close to take at least %s, but took %s", lingerDuration, elapsed)
-				}
-			}
-			if elapsed >= expectedMaximum {
-				t.Errorf("expected close to take at most %s, but took %s", expectedMaximum, elapsed)
-			}
-
-			samplePayload := &testbench.Payload{Bytes: sampleData}
-			if _, err := conn.ExpectData(t, &testbench.TCP{}, samplePayload, time.Second); err != nil {
-				t.Fatalf("expected a packet with payload %v: %s", samplePayload, err)
-			}
-
-			if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagFin | header.TCPFlagAck)}, time.Second); err != nil {
-				t.Errorf("expected FIN-ACK packet within a second but got none: %s", err)
-			}
-			conn.Send(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagAck)})
-		})
-	}
-}
-
-// TestTCPLingerShutdownZeroTimeout tests SO_LINGER with shutdown() and zero
-// timeout. DUT should send RST-ACK when socket is closed.
-func TestTCPLingerShutdownZeroTimeout(t *testing.T) {
-	// Create a socket, listen, TCP connect, and accept.
-	dut := testbench.NewDUT(t)
-	acceptFD, listenFD, conn := createSocket(t, dut)
-	defer closeAll(t, dut, listenFD, conn)
-
-	dut.SetSockLingerOption(t, acceptFD, 0, true)
-	dut.Shutdown(t, acceptFD, unix.SHUT_RDWR)
-	dut.Close(t, acceptFD)
-
-	// Shutdown will send FIN-ACK with read/write option.
-	if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagFin | header.TCPFlagAck)}, time.Second); err != nil {
-		t.Errorf("expected FIN-ACK packet within a second but got none: %s", err)
-	}
-
-	// If the linger timeout is set to zero, the DUT should send a RST.
-	if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagRst | header.TCPFlagAck)}, time.Second); err != nil {
-		t.Errorf("expected RST-ACK packet within a second but got none: %s", err)
-	}
-	conn.Send(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagAck)})
-}
-
-// TestTCPLingerShutdownSendNonZeroTimeout tests SO_LINGER with shutdown() and
-// non-zero timeout. DUT should close the socket after timeout.
-func TestTCPLingerShutdownSendNonZeroTimeout(t *testing.T) {
-	for _, tt := range []struct {
-		description string
-		lingerOn    bool
-	}{
-		{"shutdownRDWR", true},
-		{"shutdownRDWR", false},
-	} {
-		t.Run(tt.description, func(t *testing.T) {
-			// Create a socket, listen, TCP connect, and accept.
-			dut := testbench.NewDUT(t)
-			acceptFD, listenFD, conn := createSocket(t, dut)
-			defer closeAll(t, dut, listenFD, conn)
-
-			dut.SetSockLingerOption(t, acceptFD, lingerDuration, tt.lingerOn)
-
-			// Send data.
-			sampleData := []byte("Sample Data")
-			dut.Send(t, acceptFD, sampleData, 0)
-
-			dut.Shutdown(t, acceptFD, unix.SHUT_RDWR)
-
-			start := time.Now()
-			dut.CloseWithErrno(context.Background(), t, acceptFD)
-			elapsed := time.Since(start)
-
-			expectedMaximum := time.Second
-			if tt.lingerOn {
-				expectedMaximum += lingerDuration
-				if elapsed < lingerDuration {
-					t.Errorf("expected close to take at least %s, but took %s", lingerDuration, elapsed)
-				}
-			}
-			if elapsed >= expectedMaximum {
-				t.Errorf("expected close to take at most %s, but took %s", expectedMaximum, elapsed)
-			}
-
-			samplePayload := &testbench.Payload{Bytes: sampleData}
-			if _, err := conn.ExpectData(t, &testbench.TCP{}, samplePayload, time.Second); err != nil {
-				t.Fatalf("expected a packet with payload %v: %s", samplePayload, err)
-			}
-
-			if _, err := conn.Expect(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagFin | header.TCPFlagAck)}, time.Second); err != nil {
-				t.Errorf("expected FIN-ACK packet within a second but got none: %s", err)
-			}
-			conn.Send(t, testbench.TCP{Flags: testbench.TCPFlags(header.TCPFlagAck)})
-		})
-	}
-}
-
-func TestTCPLingerNonEstablished(t *testing.T) {
-	dut := testbench.NewDUT(t)
-	newFD := dut.Socket(t, unix.AF_INET, unix.SOCK_STREAM, unix.IPPROTO_TCP)
-	dut.SetSockLingerOption(t, newFD, lingerDuration, true)
-
-	// As the socket is in the initial state, Close() should not linger
-	// and return immediately.
-	start := time.Now()
-	dut.CloseWithErrno(context.Background(), t, newFD)
-	elapsed := time.Since(start)
-
-	expectedMaximum := time.Second
-	if elapsed >= time.Second {
-		t.Errorf("expected close to take at most %s, but took %s", expectedMaximum, elapsed)
-	}
-}