| /* |
| * Copyright 2019 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. |
| */ |
| |
| #pragma once |
| |
| #include <memory> |
| #include <unordered_map> |
| #include <unordered_set> |
| #include <utility> |
| |
| #include "os/handler.h" |
| |
| #include "hci/acl_manager/le_acl_connection.h" |
| #include "hci/address.h" |
| #include "hci/address_with_type.h" |
| #include "hci/le_advertising_manager.h" |
| #include "l2cap/internal/parameter_provider.h" |
| #include "l2cap/internal/scheduler.h" |
| #include "l2cap/le/fixed_channel_manager.h" |
| #include "l2cap/le/internal/dynamic_channel_service_manager_impl.h" |
| #include "l2cap/le/internal/fixed_channel_service_manager_impl.h" |
| #include "l2cap/le/internal/link.h" |
| #include "l2cap/le/link_property_listener.h" |
| |
| namespace bluetooth { |
| namespace l2cap { |
| namespace le { |
| namespace internal { |
| |
| class LinkManager : public hci::acl_manager::LeConnectionCallbacks { |
| public: |
| LinkManager( |
| os::Handler* l2cap_handler, |
| hci::AclManager* acl_manager, |
| FixedChannelServiceManagerImpl* service_manager, |
| DynamicChannelServiceManagerImpl* dynamic_service_manager, |
| l2cap::internal::ParameterProvider* parameter_provider) |
| : l2cap_handler_(l2cap_handler), |
| acl_manager_(acl_manager), |
| fixed_channel_service_manager_(service_manager), |
| dynamic_channel_service_manager_(dynamic_service_manager), |
| parameter_provider_(parameter_provider) { |
| acl_manager_->RegisterLeCallbacks(this, l2cap_handler_); |
| } |
| |
| struct PendingFixedChannelConnection { |
| os::Handler* handler_; |
| FixedChannelManager::OnConnectionFailureCallback on_fail_callback_; |
| }; |
| |
| struct PendingLink { |
| std::vector<PendingFixedChannelConnection> pending_fixed_channel_connections_; |
| }; |
| |
| // ACL methods |
| |
| Link* GetLink(hci::AddressWithType address_with_type); |
| void OnLeConnectSuccess(hci::AddressWithType connecting_address_with_type, |
| std::unique_ptr<hci::acl_manager::LeAclConnection> acl_connection) override; |
| void OnLeConnectFail(hci::AddressWithType address_with_type, hci::ErrorCode reason) override; |
| |
| // FixedChannelManager methods |
| |
| void ConnectFixedChannelServices(hci::AddressWithType address_with_type, |
| PendingFixedChannelConnection pending_fixed_channel_connection); |
| |
| // DynamicChannelManager methods |
| |
| void ConnectDynamicChannelServices(hci::AddressWithType device, |
| Link::PendingDynamicChannelConnection pending_dynamic_channel_connection, Psm psm); |
| |
| void OnDisconnect(hci::AddressWithType address_with_type); |
| |
| // Link methods |
| |
| void RegisterLinkPropertyListener(os::Handler* handler, LinkPropertyListener* listener); |
| |
| void OnReadRemoteVersionInformationComplete( |
| hci::ErrorCode hci_status, |
| hci::AddressWithType address_with_type, |
| uint8_t lmp_version, |
| uint16_t manufacturer_name, |
| uint16_t sub_version); |
| |
| // Reported by link to indicate how many pending packets are remaining to be set. |
| // If there is anything outstanding, don't delete link |
| void OnPendingPacketChange(hci::AddressWithType remote, int num_packets); |
| |
| private: |
| // Dependencies |
| os::Handler* l2cap_handler_; |
| hci::AclManager* acl_manager_; |
| FixedChannelServiceManagerImpl* fixed_channel_service_manager_; |
| DynamicChannelServiceManagerImpl* dynamic_channel_service_manager_; |
| l2cap::internal::ParameterProvider* parameter_provider_; |
| |
| // Internal states |
| std::unordered_map<hci::AddressWithType, PendingLink> pending_links_; |
| std::unordered_map<hci::AddressWithType, Link> links_; |
| std::unordered_map<hci::AddressWithType, std::list<std::pair<Psm, Link::PendingDynamicChannelConnection>>> |
| pending_dynamic_channels_; |
| os::Handler* link_property_callback_handler_ = nullptr; |
| LinkPropertyListener* link_property_listener_ = nullptr; |
| std::unordered_set<hci::AddressWithType> disconnected_links_; |
| std::unordered_set<hci::AddressWithType> links_with_pending_packets_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LinkManager); |
| }; |
| |
| } // namespace internal |
| } // namespace le |
| } // namespace l2cap |
| } // namespace bluetooth |