1 /* 2 * Copyright 2019 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 <memory> 20 #include <unordered_map> 21 #include <utility> 22 23 #include "os/handler.h" 24 25 #include "hci/acl_manager.h" 26 #include "hci/address.h" 27 #include "hci/address_with_type.h" 28 #include "l2cap/internal/parameter_provider.h" 29 #include "l2cap/internal/scheduler.h" 30 #include "l2cap/le/fixed_channel_manager.h" 31 #include "l2cap/le/internal/fixed_channel_service_manager_impl.h" 32 #include "l2cap/le/internal/link.h" 33 34 namespace bluetooth { 35 namespace l2cap { 36 namespace le { 37 namespace internal { 38 39 class LinkManager : public hci::LeConnectionCallbacks { 40 public: LinkManager(os::Handler * l2cap_handler,hci::AclManager * acl_manager,FixedChannelServiceManagerImpl * service_manager,l2cap::internal::ParameterProvider * parameter_provider)41 LinkManager(os::Handler* l2cap_handler, hci::AclManager* acl_manager, FixedChannelServiceManagerImpl* service_manager, 42 l2cap::internal::ParameterProvider* parameter_provider) 43 : l2cap_handler_(l2cap_handler), acl_manager_(acl_manager), fixed_channel_service_manager_(service_manager), 44 parameter_provider_(parameter_provider) { 45 acl_manager_->RegisterLeCallbacks(this, l2cap_handler_); 46 } 47 48 struct PendingFixedChannelConnection { 49 os::Handler* handler_; 50 FixedChannelManager::OnConnectionFailureCallback on_fail_callback_; 51 }; 52 53 struct PendingLink { 54 std::vector<PendingFixedChannelConnection> pending_fixed_channel_connections_; 55 }; 56 57 // ACL methods 58 59 Link* GetLink(hci::AddressWithType address_with_type); 60 void OnLeConnectSuccess(hci::AddressWithType connecting_address_with_type, 61 std::unique_ptr<hci::AclConnection> acl_connection) override; 62 void OnLeConnectFail(hci::AddressWithType address_with_type, hci::ErrorCode reason) override; 63 void OnDisconnect(hci::AddressWithType address_with_type, hci::ErrorCode status); 64 65 // FixedChannelManager methods 66 67 void ConnectFixedChannelServices(hci::AddressWithType address_with_type, 68 PendingFixedChannelConnection pending_fixed_channel_connection); 69 70 // DynamicChannelManager methods 71 72 void ConnectDynamicChannelServices(hci::AddressWithType device, 73 Link::PendingDynamicChannelConnection pending_dynamic_channel_connection, Psm psm); 74 75 private: 76 // Dependencies 77 os::Handler* l2cap_handler_; 78 hci::AclManager* acl_manager_; 79 FixedChannelServiceManagerImpl* fixed_channel_service_manager_; 80 DynamicChannelServiceManagerImpl* dynamic_channel_service_manager_; 81 l2cap::internal::ParameterProvider* parameter_provider_; 82 83 // Internal states 84 std::unordered_map<hci::AddressWithType, PendingLink> pending_links_; 85 std::unordered_map<hci::AddressWithType, Link> links_; 86 std::unordered_map<hci::AddressWithType, std::list<std::pair<Psm, Link::PendingDynamicChannelConnection>>> 87 pending_dynamic_channels_; 88 DISALLOW_COPY_AND_ASSIGN(LinkManager); 89 }; 90 91 } // namespace internal 92 } // namespace le 93 } // namespace l2cap 94 } // namespace bluetooth 95