2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-04-27 17:37:02 +00:00
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package inet
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// TestStack is a dummy implementation of Stack for tests.
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type TestStack struct {
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InterfacesMap map[int32]Interface
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InterfaceAddrsMap map[int32][]InterfaceAddr
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SupportsIPv6Flag bool
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TCPRecvBufSize TCPBufferSize
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TCPSendBufSize TCPBufferSize
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TCPSACKFlag bool
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}
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// NewTestStack returns a TestStack with no network interfaces. The value of
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// all other options is unspecified; tests that rely on specific values must
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// set them explicitly.
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func NewTestStack() *TestStack {
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return &TestStack{
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InterfacesMap: make(map[int32]Interface),
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InterfaceAddrsMap: make(map[int32][]InterfaceAddr),
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}
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}
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// Interfaces implements Stack.Interfaces.
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func (s *TestStack) Interfaces() map[int32]Interface {
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return s.InterfacesMap
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}
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// InterfaceAddrs implements Stack.InterfaceAddrs.
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func (s *TestStack) InterfaceAddrs() map[int32][]InterfaceAddr {
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return s.InterfaceAddrsMap
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}
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// SupportsIPv6 implements Stack.SupportsIPv6.
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func (s *TestStack) SupportsIPv6() bool {
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return s.SupportsIPv6Flag
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}
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// TCPReceiveBufferSize implements Stack.TCPReceiveBufferSize.
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func (s *TestStack) TCPReceiveBufferSize() (TCPBufferSize, error) {
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return s.TCPRecvBufSize, nil
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}
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// SetTCPReceiveBufferSize implements Stack.SetTCPReceiveBufferSize.
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func (s *TestStack) SetTCPReceiveBufferSize(size TCPBufferSize) error {
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s.TCPRecvBufSize = size
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return nil
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}
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// TCPSendBufferSize implements Stack.TCPSendBufferSize.
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func (s *TestStack) TCPSendBufferSize() (TCPBufferSize, error) {
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return s.TCPSendBufSize, nil
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}
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// SetTCPSendBufferSize implements Stack.SetTCPSendBufferSize.
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func (s *TestStack) SetTCPSendBufferSize(size TCPBufferSize) error {
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s.TCPSendBufSize = size
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return nil
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}
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// TCPSACKEnabled implements Stack.TCPSACKEnabled.
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func (s *TestStack) TCPSACKEnabled() (bool, error) {
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return s.TCPSACKFlag, nil
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}
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// SetTCPSACKEnabled implements Stack.SetTCPSACKEnabled.
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func (s *TestStack) SetTCPSACKEnabled(enabled bool) error {
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s.TCPSACKFlag = enabled
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return nil
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}
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2019-07-16 05:49:58 +00:00
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// Statistics implements inet.Stack.Statistics.
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func (s *TestStack) Statistics(stat interface{}, arg string) error {
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return nil
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}
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