| // 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 stack_test |
| |
| import ( |
| "testing" |
| |
| "gvisor.dev/gvisor/pkg/tcpip" |
| "gvisor.dev/gvisor/pkg/tcpip/stack" |
| ) |
| |
| // TestAddressableEndpointStateCleanup tests that cleaning up an addressable |
| // endpoint state removes permanent addresses and leaves groups. |
| func TestAddressableEndpointStateCleanup(t *testing.T) { |
| var ep fakeNetworkEndpoint |
| if err := ep.Enable(); err != nil { |
| t.Fatalf("ep.Enable(): %s", err) |
| } |
| |
| var s stack.AddressableEndpointState |
| s.Init(&ep) |
| |
| addr := tcpip.AddressWithPrefix{ |
| Address: "\x01", |
| PrefixLen: 8, |
| } |
| |
| { |
| ep, err := s.AddAndAcquirePermanentAddress(addr, stack.NeverPrimaryEndpoint, stack.AddressConfigStatic, false /* deprecated */) |
| if err != nil { |
| t.Fatalf("s.AddAndAcquirePermanentAddress(%s, %d, %d, false): %s", addr, stack.NeverPrimaryEndpoint, stack.AddressConfigStatic, err) |
| } |
| // We don't need the address endpoint. |
| ep.DecRef() |
| } |
| { |
| ep := s.AcquireAssignedAddress(addr.Address, false /* allowTemp */, stack.NeverPrimaryEndpoint) |
| if ep == nil { |
| t.Fatalf("got s.AcquireAssignedAddress(%s, false, NeverPrimaryEndpoint) = nil, want = non-nil", addr.Address) |
| } |
| ep.DecRef() |
| } |
| |
| s.Cleanup() |
| if ep := s.AcquireAssignedAddress(addr.Address, false /* allowTemp */, stack.NeverPrimaryEndpoint); ep != nil { |
| ep.DecRef() |
| t.Fatalf("got s.AcquireAssignedAddress(%s, false, NeverPrimaryEndpoint) = %s, want = nil", addr.Address, ep.AddressWithPrefix()) |
| } |
| } |