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 #include "l2cap/classic/internal/dynamic_channel_service_manager_impl.h"
18 
19 #include <bluetooth/log.h>
20 
21 #include "l2cap/classic/internal/dynamic_channel_service_impl.h"
22 #include "l2cap/psm.h"
23 #include "os/log.h"
24 
25 namespace bluetooth {
26 namespace l2cap {
27 namespace classic {
28 namespace internal {
29 
Register(Psm psm,DynamicChannelServiceImpl::PendingRegistration pending_registration)30 void DynamicChannelServiceManagerImpl::Register(Psm psm,
31                                                 DynamicChannelServiceImpl::PendingRegistration pending_registration) {
32   if (!IsPsmValid(psm)) {
33     std::unique_ptr<DynamicChannelService> invalid_service(new DynamicChannelService());
34     pending_registration.on_registration_complete_callback_(
35         DynamicChannelManager::RegistrationResult::FAIL_INVALID_SERVICE,
36         std::move(invalid_service));
37   } else if (IsServiceRegistered(psm)) {
38     std::unique_ptr<DynamicChannelService> invalid_service(new DynamicChannelService());
39     pending_registration.on_registration_complete_callback_(
40         DynamicChannelManager::RegistrationResult::FAIL_DUPLICATE_SERVICE,
41         std::move(invalid_service));
42   } else {
43     service_map_.try_emplace(
44         psm,
45         DynamicChannelServiceImpl(
46             pending_registration.security_policy_,
47             std::move(pending_registration.on_connection_open_callback_),
48             pending_registration.configuration_));
49     std::unique_ptr<DynamicChannelService> user_service(new DynamicChannelService(psm, this, l2cap_layer_handler_));
50     pending_registration.on_registration_complete_callback_(
51         DynamicChannelManager::RegistrationResult::SUCCESS, std::move(user_service));
52   }
53 }
54 
Unregister(Psm psm,DynamicChannelService::OnUnregisteredCallback callback)55 void DynamicChannelServiceManagerImpl::Unregister(Psm psm, DynamicChannelService::OnUnregisteredCallback callback) {
56   if (IsServiceRegistered(psm)) {
57     service_map_.erase(psm);
58     callback();
59   } else {
60     log::error("service not registered psm:{}", psm);
61   }
62 }
63 
IsServiceRegistered(Psm psm) const64 bool DynamicChannelServiceManagerImpl::IsServiceRegistered(Psm psm) const {
65   return service_map_.find(psm) != service_map_.end();
66 }
67 
GetService(Psm psm)68 DynamicChannelServiceImpl* DynamicChannelServiceManagerImpl::GetService(Psm psm) {
69   log::assert_that(IsServiceRegistered(psm), "assert failed: IsServiceRegistered(psm)");
70   return &service_map_.find(psm)->second;
71 }
72 
GetRegisteredServices()73 std::vector<std::pair<Psm, DynamicChannelServiceImpl*>> DynamicChannelServiceManagerImpl::GetRegisteredServices() {
74   std::vector<std::pair<Psm, DynamicChannelServiceImpl*>> results;
75   for (auto& elem : service_map_) {
76     results.emplace_back(elem.first, &elem.second);
77   }
78   return results;
79 }
80 
81 }  // namespace internal
82 }  // namespace classic
83 }  // namespace l2cap
84 }  // namespace bluetooth
85