1 /*
2  * Copyright 2020 HIMSA II K/S - www.himsa.com.
3  * Represented by EHIMA - www.ehima.com
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #include <memory>
19 
20 #include "btm/btm_iso_impl.h"
21 #include "include/btm_iso_api.h"
22 #include "stack/include/bt_hdr.h"
23 
24 using bluetooth::hci::iso_manager::BigCallbacks;
25 using bluetooth::hci::iso_manager::CigCallbacks;
26 using bluetooth::hci::iso_manager::iso_impl;
27 
28 namespace bluetooth {
29 namespace hci {
30 
31 struct IsoManager::impl {
implbluetooth::hci::IsoManager::impl32   explicit impl(const IsoManager& iso_manager) : iso_manager_(iso_manager) {}
33 
Startbluetooth::hci::IsoManager::impl34   void Start() {
35     log::assert_that(iso_impl_ == nullptr, "assert failed: iso_impl_ == nullptr");
36     iso_impl_ = std::make_unique<iso_impl>();
37   }
38 
Stopbluetooth::hci::IsoManager::impl39   void Stop() {
40     log::assert_that(iso_impl_ != nullptr, "assert failed: iso_impl_ != nullptr");
41     iso_impl_.reset();
42   }
43 
Dumpbluetooth::hci::IsoManager::impl44   void Dump(int fd) {
45     if (iso_impl_) {
46       iso_impl_->dump(fd);
47     }
48   }
49 
IsRunningbluetooth::hci::IsoManager::impl50   bool IsRunning() { return iso_impl_ ? true : false; }
51 
52   const IsoManager& iso_manager_;
53   std::unique_ptr<iso_impl> iso_impl_;
54 };
55 
IsoManager()56 IsoManager::IsoManager() : pimpl_(std::make_unique<impl>(*this)) {}
57 
RegisterCigCallbacks(CigCallbacks * callbacks) const58 void IsoManager::RegisterCigCallbacks(CigCallbacks* callbacks) const {
59   if (pimpl_->IsRunning()) {
60     pimpl_->iso_impl_->handle_register_cis_callbacks(callbacks);
61   }
62 }
63 
RegisterBigCallbacks(BigCallbacks * callbacks) const64 void IsoManager::RegisterBigCallbacks(BigCallbacks* callbacks) const {
65   if (pimpl_->IsRunning()) {
66     pimpl_->iso_impl_->handle_register_big_callbacks(callbacks);
67   }
68 }
69 
RegisterOnIsoTrafficActiveCallback(void callback (bool)) const70 void IsoManager::RegisterOnIsoTrafficActiveCallback(void callback(bool)) const {
71   if (pimpl_->IsRunning()) {
72     pimpl_->iso_impl_->handle_register_on_iso_traffic_active_callback(callback);
73   }
74 }
75 
CreateCig(uint8_t cig_id,struct iso_manager::cig_create_params cig_params)76 void IsoManager::CreateCig(uint8_t cig_id, struct iso_manager::cig_create_params cig_params) {
77   if (pimpl_->IsRunning()) {
78     pimpl_->iso_impl_->create_cig(cig_id, std::move(cig_params));
79   }
80 }
81 
ReconfigureCig(uint8_t cig_id,struct iso_manager::cig_create_params cig_params)82 void IsoManager::ReconfigureCig(uint8_t cig_id, struct iso_manager::cig_create_params cig_params) {
83   if (pimpl_->IsRunning()) {
84     pimpl_->iso_impl_->reconfigure_cig(cig_id, std::move(cig_params));
85   }
86 }
87 
RemoveCig(uint8_t cig_id,bool force)88 void IsoManager::RemoveCig(uint8_t cig_id, bool force) {
89   if (pimpl_->IsRunning()) {
90     pimpl_->iso_impl_->remove_cig(cig_id, force);
91   }
92 }
93 
EstablishCis(struct iso_manager::cis_establish_params conn_params)94 void IsoManager::EstablishCis(struct iso_manager::cis_establish_params conn_params) {
95   if (pimpl_->IsRunning()) {
96     pimpl_->iso_impl_->establish_cis(std::move(conn_params));
97   }
98 }
99 
DisconnectCis(uint16_t cis_handle,uint8_t reason)100 void IsoManager::DisconnectCis(uint16_t cis_handle, uint8_t reason) {
101   if (pimpl_->IsRunning()) {
102     pimpl_->iso_impl_->disconnect_cis(cis_handle, reason);
103   }
104 }
105 
GetNumberOfActiveIso()106 int IsoManager::GetNumberOfActiveIso() {
107   if (pimpl_->IsRunning()) {
108     return pimpl_->iso_impl_->get_number_of_active_iso();
109   }
110   return 0;
111 }
112 
SetupIsoDataPath(uint16_t iso_handle,struct iso_manager::iso_data_path_params path_params)113 void IsoManager::SetupIsoDataPath(uint16_t iso_handle,
114                                   struct iso_manager::iso_data_path_params path_params) {
115   if (pimpl_->IsRunning()) {
116     pimpl_->iso_impl_->setup_iso_data_path(iso_handle, std::move(path_params));
117   }
118 }
119 
RemoveIsoDataPath(uint16_t iso_handle,uint8_t data_path_dir)120 void IsoManager::RemoveIsoDataPath(uint16_t iso_handle, uint8_t data_path_dir) {
121   if (pimpl_->IsRunning()) {
122     pimpl_->iso_impl_->remove_iso_data_path(iso_handle, data_path_dir);
123   }
124 }
125 
ReadIsoLinkQuality(uint16_t iso_handle)126 void IsoManager::ReadIsoLinkQuality(uint16_t iso_handle) {
127   if (pimpl_->IsRunning()) {
128     pimpl_->iso_impl_->read_iso_link_quality(iso_handle);
129   }
130 }
131 
SendIsoData(uint16_t iso_handle,const uint8_t * data,uint16_t data_len)132 void IsoManager::SendIsoData(uint16_t iso_handle, const uint8_t* data, uint16_t data_len) {
133   if (pimpl_->IsRunning()) {
134     pimpl_->iso_impl_->send_iso_data(iso_handle, data, data_len);
135   }
136 }
137 
CreateBig(uint8_t big_id,struct iso_manager::big_create_params big_params)138 void IsoManager::CreateBig(uint8_t big_id, struct iso_manager::big_create_params big_params) {
139   if (pimpl_->IsRunning()) {
140     pimpl_->iso_impl_->create_big(big_id, std::move(big_params));
141   }
142 }
143 
TerminateBig(uint8_t big_id,uint8_t reason)144 void IsoManager::TerminateBig(uint8_t big_id, uint8_t reason) {
145   if (pimpl_->IsRunning()) {
146     pimpl_->iso_impl_->terminate_big(big_id, reason);
147   }
148 }
149 
HandleIsoData(void * p_msg)150 void IsoManager::HandleIsoData(void* p_msg) {
151   if (pimpl_->IsRunning()) {
152     pimpl_->iso_impl_->handle_iso_data(static_cast<BT_HDR*>(p_msg));
153   }
154 }
155 
HandleDisconnect(uint16_t handle,uint8_t reason)156 void IsoManager::HandleDisconnect(uint16_t handle, uint8_t reason) {
157   if (pimpl_->IsRunning()) {
158     pimpl_->iso_impl_->disconnection_complete(handle, reason);
159   }
160 }
161 
HandleNumComplDataPkts(uint16_t handle,uint16_t credits)162 void IsoManager::HandleNumComplDataPkts(uint16_t handle, uint16_t credits) {
163   if (pimpl_->IsRunning()) {
164     pimpl_->iso_impl_->handle_gd_num_completed_pkts(handle, credits);
165   }
166 }
167 
HandleHciEvent(uint8_t sub_code,uint8_t * params,uint16_t length)168 void IsoManager::HandleHciEvent(uint8_t sub_code, uint8_t* params, uint16_t length) {
169   if (pimpl_->IsRunning()) {
170     pimpl_->iso_impl_->on_iso_event(sub_code, params, length);
171   }
172 }
173 
Start()174 void IsoManager::Start() {
175   if (!pimpl_->IsRunning()) {
176     pimpl_->Start();
177   }
178 }
179 
Stop()180 void IsoManager::Stop() {
181   if (pimpl_->IsRunning()) {
182     pimpl_->Stop();
183   }
184 }
185 
Dump(int fd)186 void IsoManager::Dump(int fd) {
187   if (pimpl_->IsRunning()) {
188     pimpl_->Dump(fd);
189   }
190 }
191 
192 IsoManager::~IsoManager() = default;
193 
GetInstance()194 IsoManager* IsoManager::GetInstance() {
195   static IsoManager* instance = new IsoManager();
196   return instance;
197 }
198 
199 }  // namespace hci
200 }  // namespace bluetooth
201