1 /* 2 * Copyright 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <future> 20 #include <memory> 21 22 #include "gd/hci/acl_manager/connection_callbacks.h" 23 #include "gd/hci/acl_manager/le_connection_callbacks.h" 24 #include "gd/hci/address.h" 25 #include "gd/hci/address_with_type.h" 26 #include "gd/hci/class_of_device.h" 27 #include "gd/os/handler.h" 28 #include "gd/packet/raw_builder.h" 29 #include "main/shim/acl_legacy_interface.h" 30 #include "main/shim/link_connection_interface.h" 31 #include "main/shim/link_policy_interface.h" 32 #include "stack/include/bt_types.h" 33 34 namespace bluetooth { 35 namespace shim { 36 namespace legacy { 37 38 class Acl : public hci::acl_manager::ConnectionCallbacks, 39 public hci::acl_manager::LeConnectionCallbacks, 40 public LinkConnectionInterface, 41 public LinkPolicyInterface { 42 public: 43 Acl(os::Handler* handler, const acl_interface_t& acl_interface, 44 uint8_t max_acceptlist_size); 45 ~Acl(); 46 47 // hci::acl_manager::ConnectionCallbacks 48 void OnConnectSuccess( 49 std::unique_ptr<hci::acl_manager::ClassicAclConnection>) override; 50 void OnConnectFail(hci::Address, hci::ErrorCode reason) override; 51 52 void HACK_OnEscoConnectRequest(hci::Address, hci::ClassOfDevice) override; 53 void HACK_OnScoConnectRequest(hci::Address, hci::ClassOfDevice) override; 54 55 void OnClassicLinkDisconnected(uint16_t handle, hci::ErrorCode reason); 56 57 // hci::acl_manager::LeConnectionCallbacks 58 void OnLeConnectSuccess( 59 hci::AddressWithType, 60 std::unique_ptr<hci::acl_manager::LeAclConnection>) override; 61 void OnLeConnectFail(hci::AddressWithType, hci::ErrorCode reason) override; 62 void OnLeLinkDisconnected(uint16_t handle, hci::ErrorCode reason); 63 bluetooth::hci::AddressWithType GetConnectionLocalAddress( 64 const RawAddress& remote_bda); 65 66 // LinkConnectionInterface 67 void CreateClassicConnection(const hci::Address& address) override; 68 void CancelClassicConnection(const hci::Address& address) override; 69 void AcceptLeConnectionFrom(const hci::AddressWithType& address_with_type, 70 bool is_direct, 71 std::promise<bool> promise) override; 72 void IgnoreLeConnectionFrom( 73 const hci::AddressWithType& address_with_type) override; 74 void DisconnectClassic(uint16_t handle, tHCI_REASON reason) override; 75 void DisconnectLe(uint16_t handle, tHCI_REASON reason) override; 76 77 // LinkPolicyInterface 78 bool HoldMode(uint16_t hci_handle, uint16_t max_interval, 79 uint16_t min_interval) override; 80 bool SniffMode(uint16_t hci_handle, uint16_t max_interval, 81 uint16_t min_interval, uint16_t attempt, 82 uint16_t timeout) override; 83 bool ExitSniffMode(uint16_t hci_handle) override; 84 bool SniffSubrating(uint16_t hci_handle, uint16_t maximum_latency, 85 uint16_t minimum_remote_timeout, 86 uint16_t minimum_local_timeout) override; 87 88 void HACK_OnScoDisconnected(uint16_t handle, uint8_t reason); 89 90 void WriteData(uint16_t hci_handle, 91 std::unique_ptr<packet::RawBuilder> packet); 92 93 void ConfigureLePrivacy(bool is_le_privacy_enabled); 94 95 void Dump(int fd) const; 96 void DumpConnectionHistory(int fd) const; 97 98 void Shutdown(); 99 void FinalShutdown(); 100 101 void ClearAcceptList(); 102 103 protected: 104 void on_incoming_acl_credits(uint16_t handle, uint16_t credits); 105 void write_data_sync(uint16_t hci_handle, 106 std::unique_ptr<packet::RawBuilder> packet); 107 108 private: 109 os::Handler* handler_; 110 const acl_interface_t acl_interface_; 111 112 bool CheckForOrphanedAclConnections() const; 113 114 struct impl; 115 std::unique_ptr<impl> pimpl_; 116 DISALLOW_COPY_AND_ASSIGN(Acl); 117 }; 118 119 } // namespace legacy 120 } // namespace shim 121 } // namespace bluetooth 122