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Commit f20a8583 authored by Chris Manton's avatar Chris Manton Committed by Automerger Merge Worker
Browse files

gd: Second entry acl shim am: 6512a3b5 am: 0890cd10 am: a3477802 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1460810

Change-Id: I2b20b05da68860b0979bf1f8e1dda5c28b253b20
parents c22ac237 a3477802

system/main/shim/acl.cc

+238 −66
Original line number Diff line number Diff line
@@ -14,21 +14,27 @@ 
 * limitations under the License.

 */



#include "main/shim/acl.h"



#include <base/location.h>



#include <chrono>

#include <cstdint>

#include <functional>

#include <map>

#include <memory>



#include "gd/common/bidi_queue.h"

#include "gd/common/bind.h"

#include "gd/hci/acl_manager.h"

#include "gd/hci/acl_manager/acl_connection.h"

#include "gd/hci/acl_manager/classic_acl_connection.h"

#include "gd/hci/acl_manager/connection_management_callbacks.h"

#include "gd/hci/acl_manager/le_acl_connection.h"

#include "gd/hci/acl_manager/le_connection_management_callbacks.h"



#include "gd/hci/controller.h"

#include "gd/os/handler.h"

#include "gd/os/queue.h"

#include "main/shim/acl.h"

#include "main/shim/entry.h"

#include "main/shim/helpers.h"

#include "stack/include/acl_hci_link_interface.h"
@@ -36,23 +42,77 @@ 
#include "stack/include/btm_status.h"

#include "stack/include/sec_hci_link_interface.h"



bt_status_t do_in_main_thread(const base::Location& from_here,

                              base::OnceClosure task);



using namespace bluetooth;



namespace {



using HciHandle = uint16_t;



using SendDataUpwards = void (*const)(BT_HDR*);

using OnDisconnect = std::function<void(HciHandle, hci::ErrorCode reason)>;



inline uint8_t LowByte(uint16_t val) { return val & 0xff; }

inline uint8_t HighByte(uint16_t val) { return val >> 8; }



void ValidateAclInterface(

    const bluetooth::shim::legacy::acl_interface_t& acl_interface) {

  ASSERT_LOG(acl_interface.on_send_data_upwards != nullptr,

             "Must provide to receive data on acl links");

  ASSERT_LOG(acl_interface.on_packets_completed != nullptr,

             "Must provide to receive completed packet indication");



  ASSERT_LOG(acl_interface.connection.classic.on_connected != nullptr,

             "Must provide to respond to successful classic connections");

  ASSERT_LOG(acl_interface.connection.classic.on_failed != nullptr,

             "Must provide to respond when classic connection attempts fail");

  ASSERT_LOG(

      acl_interface.connection.classic.on_disconnected != nullptr,

      "Must provide to respond when active classic connection disconnects");



  ASSERT_LOG(acl_interface.connection.le.on_connected != nullptr,

             "Must provide to respond to successful le connections");

  ASSERT_LOG(acl_interface.connection.le.on_failed != nullptr,

             "Must provide to respond when le connection attempts fail");

  ASSERT_LOG(acl_interface.connection.le.on_disconnected != nullptr,

             "Must provide to respond when active le connection disconnects");

}



}  // namespace



#define TRY_POSTING_ON_MAIN(cb, ...)                             \

  if (cb == nullptr) {                                           \

    LOG_WARN("Dropping ACL event with no callback");             \

  } else {                                                       \

    do_in_main_thread(FROM_HERE, base::Bind(cb, ##__VA_ARGS__)); \

  }



constexpr HciHandle kInvalidHciHandle = 0xffff;



class ShimAclConnection {

 public:

  ShimAclConnection(os::Handler* handler,

  ShimAclConnection(const HciHandle handle, SendDataUpwards send_data_upwards,

                    os::Handler* handler,

                    hci::acl_manager::AclConnection::QueueUpEnd* queue_up_end)

      : handler_(handler), queue_up_end_(queue_up_end) {}

      : handle_(handle),

        handler_(handler),

        send_data_upwards_(send_data_upwards),

        queue_up_end_(queue_up_end) {

    queue_up_end_->RegisterDequeue(

        handler_, common::Bind(&ShimAclConnection::data_ready_callback,

                               common::Unretained(this)));

  }



  virtual ~ShimAclConnection() {

    ASSERT(queue_.empty());

    queue_up_end_->UnregisterDequeue();

    ASSERT_LOG(queue_.empty(), "Shim ACL queue still has outgoing packets");

    UnregisterEnqueue();

  }



  void EnqueuePacket(std::unique_ptr<bluetooth::packet::RawBuilder> packet) {

    // TODO Handle queue size exceeds some threshold

    queue_.push(std::move(packet));

    RegisterEnqueue();

  }
@@ -66,11 +126,27 @@ class ShimAclConnection { 
    return packet;

  }



  void data_ready_callback() {

    auto packet = queue_up_end_->TryDequeue();

    uint16_t length = packet->size();

    std::vector<uint8_t> preamble;

    preamble.push_back(LowByte(handle_));

    preamble.push_back(HighByte(handle_));

    preamble.push_back(LowByte(length));

    preamble.push_back(HighByte(length));

    BT_HDR* p_buf = MakeLegacyBtHdrPacket(std::move(packet), preamble);

    ASSERT_LOG(p_buf != nullptr, "Unable to allocate BT_HDR legacy packet");

    TRY_POSTING_ON_MAIN(send_data_upwards_, p_buf);

  }



 protected:

  const uint16_t handle_{kInvalidHciHandle};

  os::Handler* handler_;



 private:

  SendDataUpwards send_data_upwards_;

  hci::acl_manager::AclConnection::QueueUpEnd* queue_up_end_;



  std::queue<std::unique_ptr<bluetooth::packet::RawBuilder>> queue_;

  bool is_enqueue_registered_{false};
@@ -96,9 +172,14 @@ class ClassicShimAclConnection 
      public hci::acl_manager::ConnectionManagementCallbacks {

 public:

  ClassicShimAclConnection(

      SendDataUpwards send_data_upwards, OnDisconnect on_disconnect,

      const shim::legacy::acl_classic_link_interface_t& interface,

      os::Handler* handler,

      std::unique_ptr<hci::acl_manager::ClassicAclConnection> connection)

      : ShimAclConnection(handler, connection->GetAclQueueEnd()),

      : ShimAclConnection(connection->GetHandle(), send_data_upwards, handler,

                          connection->GetAclQueueEnd()),

        on_disconnect_(on_disconnect),

        interface_(interface),

        connection_(std::move(connection)) {}



  void RegisterCallbacks() override {
@@ -106,81 +187,101 @@ class ClassicShimAclConnection 
  }



  void OnConnectionPacketTypeChanged(uint16_t packet_type) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    TRY_POSTING_ON_MAIN(interface_.on_packet_type_changed, packet_type);

  }



  void OnAuthenticationComplete() override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    TRY_POSTING_ON_MAIN(interface_.on_authentication_complete);

  }



  void OnEncryptionChange(hci::EncryptionEnabled enabled) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    bool is_enabled = (enabled == hci::EncryptionEnabled::ON ||

                       enabled == hci::EncryptionEnabled::BR_EDR_AES_CCM);

    TRY_POSTING_ON_MAIN(interface_.on_encryption_change, is_enabled);

  }



  void OnChangeConnectionLinkKeyComplete() override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    TRY_POSTING_ON_MAIN(interface_.on_change_connection_link_key_complete);

  }



  void OnReadClockOffsetComplete(uint16_t clock_offset) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnModeChange(hci::Mode current_mode, uint16_t interval) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnQosSetupComplete(hci::ServiceType service_type, uint32_t token_rate,

                          uint32_t peak_bandwidth, uint32_t latency,

                          uint32_t delay_variation) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnFlowSpecificationComplete(hci::FlowDirection flow_direction,

                                   hci::ServiceType service_type,

                                   uint32_t token_rate,

                                   uint32_t token_bucket_size,

                                   uint32_t peak_bandwidth,

                                   uint32_t access_latency) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }

  void OnFlushOccurred() override { LOG_INFO("%s UNIMPLEMENTED", __func__); }



  void OnFlushOccurred() override { LOG_INFO("UNIMPLEMENTED"); }



  void OnRoleDiscoveryComplete(hci::Role current_role) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadLinkPolicySettingsComplete(

      uint16_t link_policy_settings) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadAutomaticFlushTimeoutComplete(uint16_t flush_timeout) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadTransmitPowerLevelComplete(uint8_t transmit_power_level) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadLinkSupervisionTimeoutComplete(

      uint16_t link_supervision_timeout) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadFailedContactCounterComplete(

      uint16_t failed_contact_counter) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadLinkQualityComplete(uint8_t link_quality) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadAfhChannelMapComplete(

      hci::AfhMode afh_mode, std::array<uint8_t, 10> afh_channel_map) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

  }

  void OnReadRssiComplete(uint8_t rssi) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnReadRssiComplete(uint8_t rssi) override { LOG_INFO("UNIMPLEMENTED"); }



  void OnReadClockComplete(uint32_t clock, uint16_t accuracy) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    LOG_INFO("UNIMPLEMENTED");

  }



  void OnCentralLinkKeyComplete(hci::KeyFlag key_flag) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

  }



  void OnRoleChange(hci::Role new_role) override {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

  }



  void OnDisconnection(hci::ErrorCode reason) override {

    btm_sec_disconnected(connection_->GetHandle(),

                         static_cast<tHCI_STATUS>(reason));

    connection_.reset();

    on_disconnect_(handle_, reason);

  }



  void OnReadRemoteVersionInformationComplete(uint8_t lmp_version,
@@ -192,6 +293,8 @@ class ClassicShimAclConnection 
  }



 private:

  OnDisconnect on_disconnect_;

  const shim::legacy::acl_classic_link_interface_t interface_;

  std::unique_ptr<hci::acl_manager::ClassicAclConnection> connection_;

};
@@ -200,9 +303,14 @@ class LeShimAclConnection 
      public hci::acl_manager::LeConnectionManagementCallbacks {

 public:

  LeShimAclConnection(

      SendDataUpwards send_data_upwards, OnDisconnect on_disconnect,

      const shim::legacy::acl_le_link_interface_t& interface,

      os::Handler* handler,

      std::unique_ptr<hci::acl_manager::LeAclConnection> connection)

      : ShimAclConnection(handler, connection->GetAclQueueEnd()),

      : ShimAclConnection(connection->GetHandle(), send_data_upwards, handler,

                          connection->GetAclQueueEnd()),

        on_disconnect_(on_disconnect),

        interface_(interface),

        connection_(std::move(connection)) {}



  void RegisterCallbacks() override {
@@ -212,17 +320,23 @@ class LeShimAclConnection 
  void OnConnectionUpdate(uint16_t connection_interval,

                          uint16_t connection_latency,

                          uint16_t supervision_timeout) {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    TRY_POSTING_ON_MAIN(interface_.on_connection_update, connection_interval,

                        connection_latency, supervision_timeout);

  }

  void OnDataLengthChange(uint16_t tx_octets, uint16_t tx_time,

                          uint16_t rx_octets, uint16_t rx_time) {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    TRY_POSTING_ON_MAIN(interface_.on_data_length_change, tx_octets, tx_time,

                        rx_octets, rx_time);

  }



  void OnDisconnection(hci::ErrorCode reason) {

    LOG_INFO("%s UNIMPLEMENTED", __func__);

    connection_.reset();

    on_disconnect_(handle_, reason);

  }



 private:

  OnDisconnect on_disconnect_;

  const shim::legacy::acl_le_link_interface_t interface_;

  std::unique_ptr<hci::acl_manager::LeAclConnection> connection_;

};
@@ -253,39 +367,91 @@ struct bluetooth::shim::legacy::Acl::impl { 
  }

};



bluetooth::shim::legacy::Acl::Acl(os::Handler* handler) : handler_(handler) {

bluetooth::shim::legacy::Acl::Acl(os::Handler* handler,

                                  const acl_interface_t& acl_interface)

    : handler_(handler), acl_interface_(acl_interface) {

  ValidateAclInterface(acl_interface_);

  pimpl_ = std::make_unique<Acl::impl>();

  GetAclManager()->RegisterCallbacks(this, handler_);

  GetAclManager()->RegisterLeCallbacks(this, handler_);

  GetController()->RegisterCompletedMonitorAclPacketsCallback(

      handler->BindOn(this, &Acl::on_incoming_acl_credits));



  // TODO(b/161543441): read the privacy policy from device-specific

  // configuration, and IRK from config file.

  hci::LeAddressManager::AddressPolicy address_policy =

      hci::LeAddressManager::AddressPolicy::USE_RESOLVABLE_ADDRESS;

  hci::AddressWithType empty_address_with_type(

      hci::Address{}, hci::AddressType::RANDOM_DEVICE_ADDRESS);

  crypto_toolbox::Octet16 rotation_irk = {0x44, 0xfb, 0x4b, 0x8d, 0x6c, 0x58,

                                          0x21, 0x0c, 0xf9, 0x3d, 0xda, 0xf1,

                                          0x64, 0xa3, 0xbb, 0x7f};

  /* 7 minutes minimum, 15 minutes maximum for random address refreshing */

  auto minimum_rotation_time = std::chrono::minutes(7);

  auto maximum_rotation_time = std::chrono::minutes(15);



  GetAclManager()->SetPrivacyPolicyForInitiatorAddress(

      address_policy, empty_address_with_type, rotation_irk,

      minimum_rotation_time, maximum_rotation_time);

}



bluetooth::shim::legacy::Acl::~Acl() {}

bluetooth::shim::legacy::Acl::~Acl() {

  GetController()->UnregisterCompletedMonitorAclPacketsCallback();

}



void bluetooth::shim::legacy::Acl::WriteData(

void bluetooth::shim::legacy::Acl::on_incoming_acl_credits(uint16_t handle,

                                                           uint16_t credits) {

  TRY_POSTING_ON_MAIN(acl_interface_.on_packets_completed, handle, credits);

}



void bluetooth::shim::legacy::Acl::write_data_sync(

    HciHandle handle, std::unique_ptr<bluetooth::packet::RawBuilder> packet) {

  if (pimpl_->IsClassicAcl(handle)) {

    pimpl_->EnqueueClassicPacket(handle, std::move(packet));

  } else if (pimpl_->IsLeAcl(handle)) {

    pimpl_->EnqueueLePacket(handle, std::move(packet));

  } else {

    LOG_ERROR("%s Unable to find destination to write data\n", __func__);

    LOG_ERROR("Unable to find destination to write data\n");

  }

}



void bluetooth::shim::legacy::Acl::WriteData(

    HciHandle handle, std::unique_ptr<bluetooth::packet::RawBuilder> packet) {

  handler_->Post(common::BindOnce(&Acl::write_data_sync,

                                  common::Unretained(this), handle,

                                  std::move(packet)));

}



void bluetooth::shim::legacy::Acl::CreateClassicConnection(

    const bluetooth::hci::Address& address) {

  LOG_INFO("%s Initiate the creation of a classic connection %s", __func__,

           address.ToString().c_str());

  GetAclManager()->CreateConnection(address);

}



void bluetooth::shim::legacy::Acl::CreateLeConnection(

    const bluetooth::hci::AddressWithType& address_with_type) {

  LOG_INFO("%s Initiate the creation of a le connection %s", __func__,

           address_with_type.ToString().c_str());

  GetAclManager()->AddDeviceToConnectList(address_with_type);

  GetAclManager()->CreateLeConnection(address_with_type);

}



void bluetooth::shim::legacy::Acl::CancelLeConnection(

    const bluetooth::hci::AddressWithType& address_with_type) {

  GetAclManager()->CancelLeConnect(address_with_type);

}



void bluetooth::shim::legacy::Acl::OnClassicLinkDisconnected(

    HciHandle handle, hci::ErrorCode reason) {

  tHCI_STATUS status = ToLegacyHciErrorCode(reason);

  TRY_POSTING_ON_MAIN(acl_interface_.connection.classic.on_disconnected, handle,

                      status);

}



void bluetooth::shim::legacy::Acl::OnLeLinkDisconnected(HciHandle handle,

                                                        hci::ErrorCode reason) {

  tHCI_STATUS status = ToLegacyHciErrorCode(reason);

  TRY_POSTING_ON_MAIN(acl_interface_.connection.le.on_disconnected, handle,

                      status);

}



void bluetooth::shim::legacy::Acl::OnConnectSuccess(

    std::unique_ptr<hci::acl_manager::ClassicAclConnection> connection) {

  ASSERT(connection != nullptr);
@@ -293,22 +459,23 @@ void bluetooth::shim::legacy::Acl::OnConnectSuccess( 
  const RawAddress bd_addr = ToRawAddress(connection->GetAddress());



  pimpl_->handle_to_classic_connection_map_.emplace(

      handle, std::make_unique<ClassicShimAclConnection>(

                  handler_, std::move(connection)));

      handle,

      std::make_unique<ClassicShimAclConnection>(

          acl_interface_.on_send_data_upwards,

          std::bind(&shim::legacy::Acl::OnClassicLinkDisconnected, this,

                    std::placeholders::_1, std::placeholders::_2),

          acl_interface_.link.classic, handler_, std::move(connection)));

  pimpl_->handle_to_classic_connection_map_[handle]->RegisterCallbacks();



  LOG_INFO("%s Classic ACL created successfully peer:%s", __func__,

           bd_addr.ToString().c_str());

  btm_acl_connected(bd_addr, handle, HCI_SUCCESS, false);

  TRY_POSTING_ON_MAIN(acl_interface_.connection.classic.on_connected, bd_addr,

                      handle, HCI_SUCCESS, false);

}



void bluetooth::shim::legacy::Acl::OnConnectFail(hci::Address address,

                                                 hci::ErrorCode reason) {

  const RawAddress bd_addr = ToRawAddress(address);

  LOG_WARN("%s Unable to create classic ACL peer:%s", __func__,

           address.ToString().c_str());

  btm_acl_connected(bd_addr, kInvalidHciHandle, ToLegacyHciErrorCode(reason),

                    false);

  TRY_POSTING_ON_MAIN(acl_interface_.connection.classic.on_failed, bd_addr,

                      kInvalidHciHandle, HCI_SUCCESS, false);

}



void bluetooth::shim::legacy::Acl::OnLeConnectSuccess(
@@ -317,41 +484,46 @@ void bluetooth::shim::legacy::Acl::OnLeConnectSuccess( 
  ASSERT(connection != nullptr);

  auto handle = connection->GetHandle();



  bluetooth::hci::Role connection_role = connection->GetRole();



  pimpl_->handle_to_le_connection_map_.emplace(

      handle,

      std::make_unique<LeShimAclConnection>(handler_, std::move(connection)));

      handle, std::make_unique<LeShimAclConnection>(

                  acl_interface_.on_send_data_upwards,

                  std::bind(&shim::legacy::Acl::OnLeLinkDisconnected, this,

                            std::placeholders::_1, std::placeholders::_2),

                  acl_interface_.link.le, handler_, std::move(connection)));

  pimpl_->handle_to_le_connection_map_[handle]->RegisterCallbacks();



  LOG_INFO("%s Le ACL created successfully peer:%s", __func__,

           address_with_type.ToString().c_str());



  tBLE_BD_ADDR legacy_address_with_type =

      ToLegacyAddressWithType(address_with_type);



  uint8_t role = 0;   /* TODO Central */

  bool match = false; /* TODO Was address resolved with known record ? */



  uint16_t conn_interval{0}; /* TODO */

  uint16_t conn_latency{0};  /* TODO */

  uint16_t conn_timeout{0};  /* TODO */

  uint16_t conn_interval = 36; /* TODO Default to 45 msec*/

  uint16_t conn_latency = 0;   /* TODO Default to zero events */

  uint16_t conn_timeout = 500; /* TODO Default to 5s */



  RawAddress local_rpa = legacy_address_with_type.bda; /* TODO enhanced */

  RawAddress peer_rpa = legacy_address_with_type.bda;  /* TODO enhanced */

  RawAddress local_rpa = RawAddress::kEmpty;           /* TODO enhanced */

  RawAddress peer_rpa = RawAddress::kEmpty;            /* TODO enhanced */

  uint8_t peer_addr_type = 0;                          /* TODO public */



  acl_ble_enhanced_connection_complete(

      legacy_address_with_type, handle, role, match, conn_interval,

  TRY_POSTING_ON_MAIN(

      acl_interface_.connection.le.on_connected, legacy_address_with_type,

      handle, static_cast<uint8_t>(connection_role), match, conn_interval,

      conn_latency, conn_timeout, local_rpa, peer_rpa, peer_addr_type);

}



void bluetooth::shim::legacy::Acl::OnLeConnectFail(

    hci::AddressWithType address_with_type, hci::ErrorCode reason) {

  LOG_WARN("Le ACL failed peer:%s", address_with_type.ToString().c_str());



  tBLE_BD_ADDR legacy_address_with_type =

      ToLegacyAddressWithType(address_with_type);



  uint16_t handle{0};  /* TODO Unneeded */

  bool enhanced{true}; /* TODO logging metrics only */

  uint16_t handle = 0;  /* TODO Unneeded */

  bool enhanced = true; /* TODO logging metrics only */

  tHCI_STATUS status = ToLegacyHciErrorCode(reason);



  acl_ble_connection_fail(legacy_address_with_type, handle, enhanced, status);

  TRY_POSTING_ON_MAIN(acl_interface_.connection.le.on_failed,

                      legacy_address_with_type, handle, enhanced, status);

}

system/main/shim/acl.h

+14 −2
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#include "gd/hci/address_with_type.h"

#include "gd/os/handler.h"

#include "gd/packet/raw_builder.h"

#include "main/shim/acl_legacy_interface.h"

#include "stack/include/bt_types.h"



namespace bluetooth {

namespace shim {
@@ -32,28 +34,38 @@ namespace legacy { 
class Acl : public hci::acl_manager::ConnectionCallbacks,

            public hci::acl_manager::LeConnectionCallbacks {

 public:

  explicit Acl(os::Handler* handler);

  Acl(os::Handler* handler, const acl_interface_t& acl_interface);

  ~Acl();



  void CreateClassicConnection(const bluetooth::hci::Address& address);

  void CreateLeConnection(

      const bluetooth::hci::AddressWithType& address_with_type);

  void CancelLeConnection(

      const bluetooth::hci::AddressWithType& address_with_type);



  void OnLeConnectSuccess(

      hci::AddressWithType,

      std::unique_ptr<hci::acl_manager::LeAclConnection>) override;

  void OnLeConnectFail(hci::AddressWithType, hci::ErrorCode reason) override;

  void OnLeLinkDisconnected(uint16_t handle, hci::ErrorCode reason);



  void OnConnectSuccess(

      std::unique_ptr<hci::acl_manager::ClassicAclConnection>) override;

  void OnConnectFail(hci::Address, hci::ErrorCode reason) override;

  void OnClassicLinkDisconnected(uint16_t handle, hci::ErrorCode reason);



  void WriteData(uint16_t hci_handle,

                 std::unique_ptr<bluetooth::packet::RawBuilder> packet);

  void OnRead();  // TODO



 protected:

  void on_incoming_acl_credits(uint16_t handle, uint16_t credits);

  void write_data_sync(uint16_t hci_handle,

                       std::unique_ptr<bluetooth::packet::RawBuilder> packet);



 private:

  os::Handler* handler_;

  const acl_interface_t acl_interface_;



  struct impl;

  std::unique_ptr<impl> pimpl_;

  DISALLOW_COPY_AND_ASSIGN(Acl);

system/main/shim/stack.cc

+5 −2
Original line number Diff line number Diff line
@@ -39,8 +39,10 @@ 
#include "gd/shim/l2cap.h"

#include "gd/storage/storage_module.h"



#include "main/shim/acl_legacy_interface.h"

#include "main/shim/hci_layer.h"

#include "main/shim/le_advertising_manager.h"

#include "main/shim/shim.h"

#include "main/shim/stack.h"



namespace bluetooth {
@@ -110,12 +112,12 @@ void Stack::StartEverything() { 
    btm_ = new Btm(stack_handler_,

                   stack_manager_.GetInstance<neighbor::InquiryModule>());

  }

  is_running_ = true;

  if (common::InitFlags::GdAclEnabled()) {

    if (!common::InitFlags::GdCoreEnabled()) {

      acl_ = new legacy::Acl(stack_handler_);

      acl_ = new legacy::Acl(stack_handler_, legacy::GetAclInterface());

    }

  }

  is_running_ = true;

  if (!common::InitFlags::GdCoreEnabled()) {

    bluetooth::shim::hci_on_reset_complete();

  }
@@ -180,6 +182,7 @@ StackManager* Stack::GetStackManager() { 
legacy::Acl* Stack::GetAcl() {

  std::lock_guard<std::recursive_mutex> lock(mutex_);

  ASSERT(is_running_);

  ASSERT_LOG(acl_ != nullptr, "Acl shim layer has not been created");

  return acl_;

}