376 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			376 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
 | |
|  * Copyright (C) 2016, The Android Open Source Project
 | |
|  *
 | |
|  * 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.
 | |
|  */
 | |
| 
 | |
| #include <array>
 | |
| #include <memory>
 | |
| #include <vector>
 | |
| 
 | |
| #include <gmock/gmock.h>
 | |
| #include <gtest/gtest.h>
 | |
| #include <wifi_system_test/mock_interface_tool.h>
 | |
| 
 | |
| #include "wificond/client_interface_impl.h"
 | |
| #include "wificond/tests/mock_i_send_mgmt_frame_event.h"
 | |
| #include "wificond/tests/mock_netlink_manager.h"
 | |
| #include "wificond/tests/mock_netlink_utils.h"
 | |
| #include "wificond/tests/mock_scan_utils.h"
 | |
| 
 | |
| using android::wifi_system::MockInterfaceTool;
 | |
| using std::unique_ptr;
 | |
| using std::vector;
 | |
| using testing::Mock;
 | |
| using testing::NiceMock;
 | |
| using testing::Return;
 | |
| using testing::StrictMock;
 | |
| using testing::_;
 | |
| 
 | |
| namespace android {
 | |
| namespace wificond {
 | |
| namespace {
 | |
| 
 | |
| const uint32_t kTestWiphyIndex = 2;
 | |
| const char kTestInterfaceName[] = "testwifi0";
 | |
| const uint32_t kTestInterfaceIndex = 42;
 | |
| const uint64_t kCookie = 42;
 | |
| const int32_t kAutoMcs = -1;
 | |
| const int32_t kMcs = 5;
 | |
| const uint8_t kTestFrame[] = {0x00, 0x01, 0x02, 0x03};
 | |
| 
 | |
| class ClientInterfaceImplTest : public ::testing::Test {
 | |
|  protected:
 | |
| 
 | |
|   void SetUp() override {
 | |
|     SetUp(WiphyFeatures());
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * call SetUp(WiphyFeatures wiphy_features) in your test function if
 | |
|    * you would like to change WiphyFeatures.
 | |
|    */
 | |
|   void SetUp(WiphyFeatures wiphy_features) {
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 SubscribeMlmeEvent(kTestInterfaceIndex, _));
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 GetWiphyInfo(kTestWiphyIndex, _, _, _))
 | |
|       .WillOnce([wiphy_features](uint32_t wiphy_index, BandInfo* out_band_info,
 | |
|           ScanCapabilities* out_scan_capabilities,
 | |
|           WiphyFeatures* out_wiphy_features) {
 | |
|         *out_wiphy_features = wiphy_features;
 | |
|         return true;
 | |
|       });
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 SubscribeFrameTxStatusEvent(kTestInterfaceIndex, _))
 | |
|         .WillOnce([this](uint32_t interface_index,
 | |
|             OnFrameTxStatusEventHandler handler) {
 | |
|           frame_tx_status_event_handler_ = handler;
 | |
|         });
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 SubscribeChannelSwitchEvent(kTestInterfaceIndex, _));
 | |
|     client_interface_.reset(new ClientInterfaceImpl{
 | |
|         kTestWiphyIndex,
 | |
|         kTestInterfaceName,
 | |
|         kTestInterfaceIndex,
 | |
|         std::array<uint8_t, ETH_ALEN>{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
 | |
|         if_tool_.get(),
 | |
|         netlink_utils_.get(),
 | |
|         scan_utils_.get()});
 | |
|   }
 | |
| 
 | |
|   void TearDown() override {
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 UnsubscribeMlmeEvent(kTestInterfaceIndex));
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 UnsubscribeFrameTxStatusEvent(kTestInterfaceIndex));
 | |
|     EXPECT_CALL(*netlink_utils_,
 | |
|                 UnsubscribeChannelSwitchEvent(kTestInterfaceIndex));
 | |
|   }
 | |
| 
 | |
|   unique_ptr<NiceMock<MockInterfaceTool>> if_tool_{
 | |
|       new NiceMock<MockInterfaceTool>};
 | |
|   unique_ptr<NiceMock<MockNetlinkManager>> netlink_manager_{
 | |
|       new NiceMock<MockNetlinkManager>()};
 | |
|   unique_ptr<NiceMock<MockNetlinkUtils>> netlink_utils_{
 | |
|       new NiceMock<MockNetlinkUtils>(netlink_manager_.get())};
 | |
|   unique_ptr<NiceMock<MockScanUtils>> scan_utils_{
 | |
|       new NiceMock<MockScanUtils>(netlink_manager_.get())};
 | |
|   unique_ptr<ClientInterfaceImpl> client_interface_;
 | |
|   OnFrameTxStatusEventHandler frame_tx_status_event_handler_;
 | |
|   sp<StrictMock<MockISendMgmtFrameEvent>> send_mgmt_frame_event_{
 | |
|       new StrictMock<MockISendMgmtFrameEvent>()};
 | |
| };  // class ClientInterfaceImplTest
 | |
| 
 | |
| }  // namespace
 | |
| 
 | |
| /**
 | |
|  * If the device does not support sending mgmt frame at specified MCS rate,
 | |
|  * and the caller specifies a MCS < 0, the call should still succeed (and the
 | |
|  * driver will determine the MCS rate automatically).
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameMcsUnsupportedAutoSelectMcs) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_, OnAck(_));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(kCookie, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * If the device does not support sending mgmt frame at specified MCS rate,
 | |
|  * and the caller specifies a MCS >= 0, the call should fail.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameMcsUnsupportedCallerSpecifiedMcs) {
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_,
 | |
|       OnFailure(send_mgmt_frame_event_->SEND_MGMT_FRAME_ERROR_MCS_UNSUPPORTED));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kMcs);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * If the device does support sending mgmt frame at specified MCS rate and the
 | |
|  * user specifies a valid MCS rate, the call should succeed.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameMcsSupported) {
 | |
|   WiphyFeatures wiphy_features;
 | |
|   wiphy_features.supports_tx_mgmt_frame_mcs = true;
 | |
|   SetUp(wiphy_features);
 | |
| 
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_, OnAck(_));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kMcs);
 | |
|   frame_tx_status_event_handler_(kCookie, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Transmitted frame was not ACKed.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameNotAcked) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_,
 | |
|       OnFailure(send_mgmt_frame_event_->SEND_MGMT_FRAME_ERROR_NO_ACK));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(kCookie, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Transmission failed due to unknown NL80211 error.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameUnknownError) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|         vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)), kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       return false;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_,
 | |
|       OnFailure(send_mgmt_frame_event_->SEND_MGMT_FRAME_ERROR_UNKNOWN));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Received cookie was different than expected; No callback should be triggered.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameWrongCookie) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(
 | |
|       kCookie + 1, // wrong cookie
 | |
|       false);
 | |
| 
 | |
|   // StrictMock<MockISendMgmtFrameEvent> will fail if any unexpected method is
 | |
|   // called, guaranteeing no interaction with the callback.
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * frame_tx_status_event_handler_ triggered even though no transmission is in
 | |
|  * progress. No callback should be triggered.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameNoTxCallbackTriggered) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_,
 | |
|       OnFailure(send_mgmt_frame_event_->SEND_MGMT_FRAME_ERROR_NO_ACK));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(kCookie, false);
 | |
| 
 | |
|   // transmission has finished here.
 | |
| 
 | |
|   // Now send another Tx status event.
 | |
|   frame_tx_status_event_handler_(kCookie + 1, false);
 | |
|   // StrictMock<MockISendMgmtFrameEvent> will fail if any unexpected method is
 | |
|   // called, guaranteeing no more interaction with the callback.
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Second transmission was started even though no Tx Status event was received
 | |
|  * for the first transmission. Should discard first transmission, and second
 | |
|  * transmission should work normally.
 | |
|  *
 | |
|  * Since timeout of this SendMgmtFrame() is managed by framework, and framework
 | |
|  * does not notify wificond when the call times out, wificond should still work
 | |
|  * when a second call is made, even though it seems as though the first call is
 | |
|  * still incomplete.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameSecondTxWhileFirstTxIncomplete) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     })
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie + 1;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   // first transmission; no tx status
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
| 
 | |
|   sp<StrictMock<MockISendMgmtFrameEvent>> send_mgmt_frame_event2{
 | |
|       new StrictMock<MockISendMgmtFrameEvent>()};
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event2,
 | |
|       OnFailure(send_mgmt_frame_event_->SEND_MGMT_FRAME_ERROR_NO_ACK));
 | |
| 
 | |
|   // second transmission; yes tx status
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event2, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(kCookie + 1, false);
 | |
| 
 | |
|   // now trigger tx status for first call; nothing should happen (implicitly
 | |
|   // verified by StrictMock).
 | |
|   frame_tx_status_event_handler_(kCookie, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Tests that internal state is reset correctly between calls by performing
 | |
|  * two transmissions in sequence.
 | |
|  */
 | |
| TEST_F(ClientInterfaceImplTest, SendMgmtFrameInternalStateResetBetweenCalls) {
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([](uint32_t interface_index, const vector<uint8_t>& frame,
 | |
|         int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = kCookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_, OnAck(_));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(kCookie, true);
 | |
| 
 | |
|   Mock::VerifyAndClearExpectations(netlink_utils_.get());
 | |
|   Mock::VerifyAndClearExpectations(send_mgmt_frame_event_.get());
 | |
| 
 | |
|   uint64_t new_cookie = kCookie + 1;
 | |
| 
 | |
|   EXPECT_CALL(*netlink_utils_,
 | |
|       SendMgmtFrame(kTestInterfaceIndex,
 | |
|           vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|           kAutoMcs, _))
 | |
|     .WillOnce([new_cookie](uint32_t interface_index,
 | |
|         const vector<uint8_t>& frame, int32_t mcs, uint64_t* out_cookie) {
 | |
|       *out_cookie = new_cookie;
 | |
|       return true;
 | |
|     });
 | |
| 
 | |
|   EXPECT_CALL(*send_mgmt_frame_event_,
 | |
|       OnFailure(send_mgmt_frame_event_->SEND_MGMT_FRAME_ERROR_NO_ACK));
 | |
| 
 | |
|   client_interface_->SendMgmtFrame(
 | |
|       vector<uint8_t>(std::begin(kTestFrame), std::end(kTestFrame)),
 | |
|       send_mgmt_frame_event_, kAutoMcs);
 | |
|   frame_tx_status_event_handler_(new_cookie, false);
 | |
| }
 | |
| 
 | |
| }  // namespace wificond
 | |
| }  // namespace android
 |