| /* |
| * 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. |
| */ |
| #define LOG_TAG "l2cap2" |
| |
| #include <future> |
| #include <memory> |
| |
| #include "common/bidi_queue.h" |
| #include "hci/acl_manager.h" |
| #include "hci/address.h" |
| #include "hci/hci_layer.h" |
| #include "hci/hci_packets.h" |
| #include "l2cap/classic/internal/dumpsys_helper.h" |
| #include "l2cap/classic/internal/dynamic_channel_service_manager_impl.h" |
| #include "l2cap/classic/internal/fixed_channel_service_manager_impl.h" |
| #include "l2cap/classic/internal/link_manager.h" |
| #include "l2cap/classic/l2cap_classic_module.h" |
| #include "l2cap/internal/parameter_provider.h" |
| #include "l2cap_classic_module_generated.h" |
| #include "module.h" |
| #include "os/handler.h" |
| #include "os/log.h" |
| |
| namespace bluetooth { |
| namespace l2cap { |
| namespace classic { |
| |
| const ModuleFactory L2capClassicModule::Factory = ModuleFactory([]() { return new L2capClassicModule(); }); |
| |
| static SecurityEnforcementRejectAllImpl default_security_module_impl_; |
| |
| struct L2capClassicModule::impl { |
| impl(os::Handler* l2cap_handler, hci::AclManager* acl_manager) |
| : l2cap_handler_(l2cap_handler), acl_manager_(acl_manager) { |
| dynamic_channel_service_manager_impl_.SetSecurityEnforcementInterface(&default_security_module_impl_); |
| dumpsys_helper_ = std::make_unique<internal::DumpsysHelper>(link_manager_); |
| } |
| os::Handler* l2cap_handler_; |
| hci::AclManager* acl_manager_; |
| l2cap::internal::ParameterProvider parameter_provider_; |
| internal::FixedChannelServiceManagerImpl fixed_channel_service_manager_impl_{l2cap_handler_}; |
| internal::DynamicChannelServiceManagerImpl dynamic_channel_service_manager_impl_{l2cap_handler_}; |
| internal::LinkManager link_manager_{l2cap_handler_, acl_manager_, &fixed_channel_service_manager_impl_, |
| &dynamic_channel_service_manager_impl_, ¶meter_provider_}; |
| std::unique_ptr<internal::DumpsysHelper> dumpsys_helper_; |
| |
| struct SecurityInterfaceImpl : public SecurityInterface { |
| SecurityInterfaceImpl(impl* module_impl) : module_impl_(module_impl) {} |
| |
| void RegisterLinkSecurityInterfaceListener(os::Handler* handler, LinkSecurityInterfaceListener* listener) { |
| ASSERT(!registered_); |
| module_impl_->link_manager_.RegisterLinkSecurityInterfaceListener(handler, listener); |
| registered_ = true; |
| } |
| |
| void InitiateConnectionForSecurity(hci::Address remote) override { |
| ASSERT(registered_); |
| module_impl_->link_manager_.InitiateConnectionForSecurity(remote); |
| } |
| |
| void Unregister() override { |
| ASSERT(registered_); |
| module_impl_->link_manager_.RegisterLinkSecurityInterfaceListener(nullptr, nullptr); |
| registered_ = false; |
| } |
| impl* module_impl_; |
| bool registered_ = false; |
| } security_interface_impl_{this}; |
| |
| void Dump( |
| std::promise<flatbuffers::Offset<L2capClassicModuleData>> promise, |
| flatbuffers::FlatBufferBuilder* fb_builder) const; |
| }; |
| |
| L2capClassicModule::L2capClassicModule() {} |
| |
| L2capClassicModule::~L2capClassicModule() {} |
| |
| void L2capClassicModule::ListDependencies(ModuleList* list) const { |
| list->add<hci::AclManager>(); |
| } |
| |
| void L2capClassicModule::Start() { |
| pimpl_ = std::make_unique<impl>(GetHandler(), GetDependency<hci::AclManager>()); |
| } |
| |
| void L2capClassicModule::Stop() { |
| pimpl_.reset(); |
| } |
| |
| std::string L2capClassicModule::ToString() const { |
| return "L2cap Classic Module"; |
| } |
| |
| std::unique_ptr<FixedChannelManager> L2capClassicModule::GetFixedChannelManager() { |
| return std::unique_ptr<FixedChannelManager>(new FixedChannelManager(&pimpl_->fixed_channel_service_manager_impl_, |
| &pimpl_->link_manager_, pimpl_->l2cap_handler_)); |
| } |
| |
| std::unique_ptr<DynamicChannelManager> L2capClassicModule::GetDynamicChannelManager() { |
| return std::unique_ptr<DynamicChannelManager>(new DynamicChannelManager( |
| &pimpl_->dynamic_channel_service_manager_impl_, &pimpl_->link_manager_, pimpl_->l2cap_handler_)); |
| } |
| |
| void L2capClassicModule::InjectSecurityEnforcementInterface( |
| SecurityEnforcementInterface* security_enforcement_interface) { |
| if (security_enforcement_interface != nullptr) { |
| pimpl_->dynamic_channel_service_manager_impl_.SetSecurityEnforcementInterface(security_enforcement_interface); |
| } else { |
| pimpl_->dynamic_channel_service_manager_impl_.SetSecurityEnforcementInterface(&default_security_module_impl_); |
| } |
| } |
| |
| SecurityInterface* L2capClassicModule::GetSecurityInterface( |
| os::Handler* handler, LinkSecurityInterfaceListener* listener) { |
| pimpl_->security_interface_impl_.RegisterLinkSecurityInterfaceListener(handler, listener); |
| return &pimpl_->security_interface_impl_; |
| } |
| |
| void L2capClassicModule::SetLinkPropertyListener(os::Handler* handler, LinkPropertyListener* listener) { |
| pimpl_->link_manager_.RegisterLinkPropertyListener(handler, listener); |
| } |
| |
| void L2capClassicModule::impl::Dump( |
| std::promise<flatbuffers::Offset<L2capClassicModuleData>> promise, |
| flatbuffers::FlatBufferBuilder* fb_builder) const { |
| auto title = fb_builder->CreateString("----- L2cap Classic Dumpsys -----"); |
| |
| std::vector<flatbuffers::Offset<bluetooth::l2cap::classic::LinkData>> link_offsets = |
| dumpsys_helper_->DumpActiveLinks(fb_builder); |
| |
| auto active_links = fb_builder->CreateVector(link_offsets); |
| |
| L2capClassicModuleDataBuilder builder(*fb_builder); |
| builder.add_title(title); |
| builder.add_active_links(active_links); |
| flatbuffers::Offset<L2capClassicModuleData> dumpsys_data = builder.Finish(); |
| |
| promise.set_value(dumpsys_data); |
| } |
| |
| DumpsysDataFinisher L2capClassicModule::GetDumpsysData(flatbuffers::FlatBufferBuilder* fb_builder) const { |
| ASSERT(fb_builder != nullptr); |
| |
| std::promise<flatbuffers::Offset<L2capClassicModuleData>> promise; |
| auto future = promise.get_future(); |
| pimpl_->Dump(std::move(promise), fb_builder); |
| |
| auto dumpsys_data = future.get(); |
| |
| return [dumpsys_data](DumpsysDataBuilder* dumpsys_builder) { |
| dumpsys_builder->add_l2cap_classic_dumpsys_data(dumpsys_data); |
| }; |
| } |
| |
| } // namespace classic |
| } // namespace l2cap |
| } // namespace bluetooth |