| /* |
| * 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. |
| */ |
| |
| #include "l2cap/classic/internal/fixed_channel_service_manager_impl.h" |
| |
| #include "common/bind.h" |
| #include "l2cap/cid.h" |
| #include "l2cap/classic/internal/fixed_channel_service_impl.h" |
| #include "os/log.h" |
| |
| namespace bluetooth { |
| namespace l2cap { |
| namespace classic { |
| namespace internal { |
| |
| void FixedChannelServiceManagerImpl::Register(Cid cid, |
| FixedChannelServiceImpl::PendingRegistration pending_registration) { |
| if (cid < kFirstFixedChannel || cid > kLastFixedChannel || cid == kClassicSignallingCid) { |
| std::unique_ptr<FixedChannelService> invalid_service(new FixedChannelService()); |
| pending_registration.user_handler_->Post( |
| common::BindOnce(std::move(pending_registration.on_registration_complete_callback_), |
| FixedChannelManager::RegistrationResult::FAIL_INVALID_SERVICE, std::move(invalid_service))); |
| } else if (IsServiceRegistered(cid)) { |
| std::unique_ptr<FixedChannelService> invalid_service(new FixedChannelService()); |
| pending_registration.user_handler_->Post( |
| common::BindOnce(std::move(pending_registration.on_registration_complete_callback_), |
| FixedChannelManager::RegistrationResult::FAIL_DUPLICATE_SERVICE, std::move(invalid_service))); |
| } else { |
| service_map_.try_emplace(cid, |
| FixedChannelServiceImpl(pending_registration.user_handler_, |
| std::move(pending_registration.on_connection_open_callback_))); |
| std::unique_ptr<FixedChannelService> user_service(new FixedChannelService(cid, this, l2cap_layer_handler_)); |
| pending_registration.user_handler_->Post( |
| common::BindOnce(std::move(pending_registration.on_registration_complete_callback_), |
| FixedChannelManager::RegistrationResult::SUCCESS, std::move(user_service))); |
| } |
| } |
| |
| void FixedChannelServiceManagerImpl::Unregister(Cid cid, FixedChannelService::OnUnregisteredCallback callback, |
| os::Handler* handler) { |
| if (IsServiceRegistered(cid)) { |
| service_map_.erase(cid); |
| handler->Post(std::move(callback)); |
| } else { |
| LOG_ERROR("service not registered cid:%d", cid); |
| } |
| } |
| |
| bool FixedChannelServiceManagerImpl::IsServiceRegistered(Cid cid) const { |
| return service_map_.find(cid) != service_map_.end(); |
| } |
| |
| FixedChannelServiceImpl* FixedChannelServiceManagerImpl::GetService(Cid cid) { |
| ASSERT(IsServiceRegistered(cid)); |
| return &service_map_.find(cid)->second; |
| } |
| |
| std::vector<std::pair<Cid, FixedChannelServiceImpl*>> FixedChannelServiceManagerImpl::GetRegisteredServices() { |
| std::vector<std::pair<Cid, FixedChannelServiceImpl*>> results; |
| for (auto& elem : service_map_) { |
| results.emplace_back(elem.first, &elem.second); |
| } |
| return results; |
| } |
| |
| namespace { |
| constexpr uint64_t kSignallingChannelMask = 0x02; |
| constexpr uint64_t kConnectionlessReceptionMask = 0x04; |
| constexpr uint64_t kBrEdrSecurityManager = 0x80; |
| } // namespace |
| |
| uint64_t FixedChannelServiceManagerImpl::GetSupportedFixedChannelMask() { |
| uint64_t result = 0; |
| result |= kSignallingChannelMask; // Signalling channel is mandatory |
| for (const auto& elem : service_map_) { |
| Cid cid = elem.first; |
| switch (cid) { |
| case kConnectionlessCid: |
| result |= kConnectionlessReceptionMask; |
| continue; |
| case kSmpBrCid: |
| result |= kBrEdrSecurityManager; |
| continue; |
| default: |
| LOG_WARN("Unknown fixed channel is registered: 0x%x", cid); |
| continue; |
| } |
| } |
| return result; |
| } |
| } // namespace internal |
| } // namespace classic |
| } // namespace l2cap |
| } // namespace bluetooth |