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Commit 1c56b039 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "Don't perform operations on busy EATT channels" am: 4fcb55e1 am: 9aab81d4 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2545236



Change-Id: I06f76a1ec5cb1f4b94854af5f115e09d3b02dafb
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 6b016f2e 9aab81d4

system/stack/eatt/eatt_impl.h

+23 −10
Original line number Diff line number Diff line
@@ -434,15 +434,18 @@ struct eatt_impl { 
    LOG(INFO) << __func__ << "lcid: " << loghex(lcid)

              << " local cfg?: " << is_local_cfg;



    EattChannel* channel = find_channel_by_cid(bda, lcid);

    if (!channel) return;



    // regardless of success result, we have finished reconfiguration

    channel->EattChannelSetState(EattChannelState::EATT_CHANNEL_OPENED);



    if (p_cfg->result != L2CAP_CFG_OK) {

      LOG(INFO) << __func__ << " reconfig failed lcid: " << loghex(lcid)

                << " result: " << loghex(p_cfg->result);

      return;

    }



    EattChannel* channel = find_channel_by_cid(bda, lcid);

    if (!channel) return;



    /* On this layer we don't care about mps as this is handled in L2CAP layer

     */

    if (is_local_cfg)
@@ -450,9 +453,6 @@ struct eatt_impl { 
    else

      channel->tx_mtu_ = p_cfg->mtu;



    /* Go back to open state */

    channel->EattChannelSetState(EattChannelState::EATT_CHANNEL_OPENED);



    if (stack_config_get_interface()->get_pts_l2cap_ecoc_reconfigure()) {

      /* Upper tester for L2CAP - schedule sending data */

      do_in_main_thread_delayed(
@@ -674,7 +674,8 @@ struct eatt_impl { 
    auto iter = find_if(

        eatt_dev->eatt_channels.begin(), eatt_dev->eatt_channels.end(),

        [](const std::pair<uint16_t, std::shared_ptr<EattChannel>>& el) {

          return !GATT_HANDLE_IS_VALID(el.second->indicate_handle_);

          return el.second->state_ == EattChannelState::EATT_CHANNEL_OPENED &&

                 !GATT_HANDLE_IS_VALID(el.second->indicate_handle_);

        });



    return (iter == eatt_dev->eatt_channels.end()) ? nullptr
@@ -689,7 +690,8 @@ struct eatt_impl { 
    auto iter = find_if(

        eatt_dev->eatt_channels.begin(), eatt_dev->eatt_channels.end(),

        [](const std::pair<uint16_t, std::shared_ptr<EattChannel>>& el) {

          return el.second->cl_cmd_q_.empty();

          return el.second->state_ == EattChannelState::EATT_CHANNEL_OPENED &&

                 el.second->cl_cmd_q_.empty();

        });



    return (iter == eatt_dev->eatt_channels.end()) ? nullptr
@@ -826,9 +828,13 @@ struct eatt_impl { 


    tL2CAP_LE_CFG_INFO cfg = {.mps = eatt_dev->rx_mps_, .mtu = new_mtu};



    if (!L2CA_ReconfigCreditBasedConnsReq(eatt_dev->bda_, cids, &cfg))

    if (!L2CA_ReconfigCreditBasedConnsReq(eatt_dev->bda_, cids, &cfg)) {

      LOG(ERROR) << __func__ << "Could not start reconfig cid: " << loghex(cid)

                 << " or device " << bd_addr;

      return;

    }



    channel->EattChannelSetState(EattChannelState::EATT_CHANNEL_RECONFIGURING);

  }



  void reconfigure_all(const RawAddress& bd_addr, uint16_t new_mtu) {
@@ -862,9 +868,16 @@ struct eatt_impl { 


    tL2CAP_LE_CFG_INFO cfg = {.mps = eatt_dev->rx_mps_, .mtu = new_mtu};



    if (!L2CA_ReconfigCreditBasedConnsReq(eatt_dev->bda_, cids, &cfg))

    if (!L2CA_ReconfigCreditBasedConnsReq(eatt_dev->bda_, cids, &cfg)) {

      LOG(ERROR) << __func__ << "Could not start reconfig for device "

                 << bd_addr;

      return;

    }



    for (auto& channel : eatt_dev->eatt_channels) {

      channel.second->EattChannelSetState(

          EattChannelState::EATT_CHANNEL_RECONFIGURING);

    }

  }



  void supported_features_cb(uint8_t role, const RawAddress& bd_addr,

system/stack/test/eatt/eatt_test.cc

+46 −0
Original line number Diff line number Diff line
@@ -624,4 +624,50 @@ TEST_F(EattTest, TestCollisionHandling) { 
  ConnectDeviceEattSupported(5, true /* collision*/);

}



TEST_F(EattTest, ChannelUnavailableWhileOpening) {

  // arrange

  ON_CALL(gatt_interface_, ClientReadSupportedFeatures)

      .WillByDefault(

          [](const RawAddress& addr,

             base::OnceCallback<void(const RawAddress&, uint8_t)> cb) {

            std::move(cb).Run(addr, BLE_GATT_SVR_SUP_FEAT_EATT_BITMASK);

            return true;

          });

  ON_CALL(gatt_interface_, GetEattSupport).WillByDefault(Return(true));



  // expect

  EXPECT_CALL(l2cap_interface_,

              ConnectCreditBasedReq(BT_PSM_EATT, test_address, _))

      .WillOnce(Return(std::vector<uint16_t>{61}));



  // act: start

  eatt_instance_->Connect(test_address);

  auto available_channel_for_request =

      eatt_instance_->GetChannelAvailableForClientRequest(test_address);

  auto available_channel_for_indication =

      eatt_instance_->GetChannelAvailableForIndication(test_address);



  // assert

  ASSERT_EQ(available_channel_for_request, nullptr);

  ASSERT_EQ(available_channel_for_indication, nullptr);

}



TEST_F(EattTest, ChannelUnavailableWhileReconfiguring) {

  // arrange

  ON_CALL(l2cap_interface_, ReconfigCreditBasedConnsReq(_, _, _))

      .WillByDefault(Return(true));

  ConnectDeviceEattSupported(/* num_of_accepted_connections = */ 1);



  // act: reconfigure, then get available channels

  eatt_instance_->Reconfigure(test_address, connected_cids_[0], 300);

  auto available_channel_for_request =

      eatt_instance_->GetChannelAvailableForClientRequest(test_address);

  auto available_channel_for_indication =

      eatt_instance_->GetChannelAvailableForIndication(test_address);



  // assert

  ASSERT_EQ(available_channel_for_request, nullptr);

  ASSERT_EQ(available_channel_for_indication, nullptr);

}



}  // namespace