retire stateless reset tokens instead of deleting them immediately

This commit is contained in:
Marten Seemann 2019-10-26 07:02:14 +07:00
parent 772ffd3d20
commit ffbb810fcc
5 changed files with 35 additions and 34 deletions

View file

@ -110,18 +110,6 @@ func (mr *MockPacketHandlerManagerMockRecorder) Remove(arg0 interface{}) *gomock
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Remove", reflect.TypeOf((*MockPacketHandlerManager)(nil).Remove), arg0)
}
// RemoveResetToken mocks base method
func (m *MockPacketHandlerManager) RemoveResetToken(arg0 [16]byte) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "RemoveResetToken", arg0)
}
// RemoveResetToken indicates an expected call of RemoveResetToken
func (mr *MockPacketHandlerManagerMockRecorder) RemoveResetToken(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RemoveResetToken", reflect.TypeOf((*MockPacketHandlerManager)(nil).RemoveResetToken), arg0)
}
// ReplaceWithClosed mocks base method
func (m *MockPacketHandlerManager) ReplaceWithClosed(arg0 protocol.ConnectionID, arg1 packetHandler) {
m.ctrl.T.Helper()
@ -146,6 +134,18 @@ func (mr *MockPacketHandlerManagerMockRecorder) Retire(arg0 interface{}) *gomock
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Retire", reflect.TypeOf((*MockPacketHandlerManager)(nil).Retire), arg0)
}
// RetireResetToken mocks base method
func (m *MockPacketHandlerManager) RetireResetToken(arg0 [16]byte) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "RetireResetToken", arg0)
}
// RetireResetToken indicates an expected call of RetireResetToken
func (mr *MockPacketHandlerManagerMockRecorder) RetireResetToken(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RetireResetToken", reflect.TypeOf((*MockPacketHandlerManager)(nil).RetireResetToken), arg0)
}
// SetServer mocks base method
func (m *MockPacketHandlerManager) SetServer(arg0 unknownPacketHandler) {
m.ctrl.T.Helper()

View file

@ -58,18 +58,6 @@ func (mr *MockSessionRunnerMockRecorder) Remove(arg0 interface{}) *gomock.Call {
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Remove", reflect.TypeOf((*MockSessionRunner)(nil).Remove), arg0)
}
// RemoveResetToken mocks base method
func (m *MockSessionRunner) RemoveResetToken(arg0 [16]byte) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "RemoveResetToken", arg0)
}
// RemoveResetToken indicates an expected call of RemoveResetToken
func (mr *MockSessionRunnerMockRecorder) RemoveResetToken(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RemoveResetToken", reflect.TypeOf((*MockSessionRunner)(nil).RemoveResetToken), arg0)
}
// ReplaceWithClosed mocks base method
func (m *MockSessionRunner) ReplaceWithClosed(arg0 protocol.ConnectionID, arg1 packetHandler) {
m.ctrl.T.Helper()
@ -93,3 +81,15 @@ func (mr *MockSessionRunnerMockRecorder) Retire(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Retire", reflect.TypeOf((*MockSessionRunner)(nil).Retire), arg0)
}
// RetireResetToken mocks base method
func (m *MockSessionRunner) RetireResetToken(arg0 [16]byte) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "RetireResetToken", arg0)
}
// RetireResetToken indicates an expected call of RetireResetToken
func (mr *MockSessionRunnerMockRecorder) RetireResetToken(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RetireResetToken", reflect.TypeOf((*MockSessionRunner)(nil).RetireResetToken), arg0)
}

View file

@ -134,10 +134,12 @@ func (h *packetHandlerMap) AddResetToken(token [16]byte, handler packetHandler)
h.mutex.Unlock()
}
func (h *packetHandlerMap) RemoveResetToken(token [16]byte) {
func (h *packetHandlerMap) RetireResetToken(token [16]byte) {
time.AfterFunc(h.deleteRetiredSessionsAfter, func() {
h.mutex.Lock()
delete(h.resetTokens, token)
h.mutex.Unlock()
})
}
func (h *packetHandlerMap) SetServer(s unknownPacketHandler) {

View file

@ -249,22 +249,21 @@ var _ = Describe("Packet Handler Map", func() {
Eventually(destroyed).Should(BeClosed())
})
It("deletes reset tokens", func() {
It("retires reset tokens", func() {
handler.deleteRetiredSessionsAfter = scaleDuration(10 * time.Millisecond)
connID := protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef, 0x42}
packetHandler := NewMockPacketHandler(mockCtrl)
handler.Add(connID, packetHandler)
token := [16]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}
handler.AddResetToken(token, NewMockPacketHandler(mockCtrl))
handler.RemoveResetToken(token)
handler.RetireResetToken(token)
packetHandler.EXPECT().handlePacket(gomock.Any())
p := append([]byte{0x40} /* short header packet */, connID.Bytes()...)
p = append(p, make([]byte, 50)...)
p = append(p, token[:]...)
time.Sleep(scaleDuration(30 * time.Millisecond))
handler.handlePacket(nil, nil, p)
// destroy() would be called from a separate go routine
// make sure we give it enough time to be called to cause an error here
time.Sleep(scaleDuration(25 * time.Millisecond))
})
It("ignores packets too small to contain a stateless reset", func() {

View file

@ -77,7 +77,7 @@ type sessionRunner interface {
Remove(protocol.ConnectionID)
ReplaceWithClosed(protocol.ConnectionID, packetHandler)
AddResetToken([16]byte, packetHandler)
RemoveResetToken([16]byte)
RetireResetToken([16]byte)
}
type handshakeRunner struct {