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/*
* Copyright 2021 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 "iso/facade.h"
#include "blueberry/facade/iso/facade.grpc.pb.h"
#include "common/contextual_callback.h"
#include "grpc/grpc_event_queue.h"
#include "hci/acl_manager.h"
#include "hci/address_with_type.h"
#include "hci/le_address_manager.h"
#include "iso/iso_module.h"
#include "os/handler.h"
using bluetooth::hci::AclManager;
namespace bluetooth {
namespace iso {
using namespace blueberry::facade::iso;
class IsoModuleFacadeService : public IsoModuleFacade::Service {
public:
IsoModuleFacadeService(IsoModule* iso_module, AclManager* acl_manager, ::bluetooth::os::Handler* iso_handler)
: iso_module_(iso_module), acl_manager_(acl_manager), iso_handler_(iso_handler) {
ASSERT(iso_module_);
ASSERT(iso_handler_);
iso_module_->GetIsoManager()->RegisterIsoEstablishedCallback(iso_handler_->Bind(
[](::bluetooth::grpc::GrpcEventQueue<LeIsoEventsMsg>* le_iso_events_, uint16_t cis_connection_handle) {
LeIsoEventsMsg msg;
msg.set_message_type(IsoMsgType::ISO_CIS_ESTABLISHED);
msg.add_cis_handle(cis_connection_handle);
le_iso_events_->OnIncomingEvent(msg);
},
&le_iso_events_));
iso_module_->GetIsoManager()->RegisterIsoDataCallback(
iso_handler_->BindOn(this, &IsoModuleFacadeService::OnIsoPacketReceived));
}
::grpc::Status LeSetCigParameters(
::grpc::ServerContext* context,
const ::bluetooth::iso::LeSetCigParametersRequest* request,
::google::protobuf::Empty* response) override {
std::vector<hci::CisParametersConfig> cis_config;
hci::CisParametersConfig cfg;
cfg.cis_id_ = request->cis_id();
cfg.max_sdu_m_to_s_ = request->max_sdu_m_to_s();
cfg.max_sdu_s_to_m_ = request->max_sdu_s_to_m();
cfg.phy_m_to_s_ = request->phy_m_to_s();
cfg.phy_s_to_m_ = request->phy_s_to_m();
cfg.rtn_m_to_s_ = request->rtn_m_to_s();
cfg.rtn_s_to_m_ = request->rtn_s_to_m();
cis_config.push_back(cfg);
iso_module_->GetIsoManager()->SetCigParameters(
request->cig_id(),
request->sdu_interval_m_to_s(),
request->sdu_interval_s_to_m(),
static_cast<hci::ClockAccuracy>(request->peripherals_clock_accuracy()),
static_cast<hci::Packing>(request->packing()),
static_cast<hci::Enable>(request->framing()),
request->max_transport_latency_m_to_s(),
request->max_transport_latency_s_to_m(),
cis_config,
iso_handler_->BindOnce(
[](::bluetooth::grpc::GrpcEventQueue<LeIsoEventsMsg>* le_iso_events_, std::vector<uint16_t> conn_handles) {
LeIsoEventsMsg msg;
msg.set_message_type(IsoMsgType::ISO_PARAMETERS_SET_COMPLETE);
for (const uint16_t conn_handle : conn_handles) {
msg.add_cis_handle(conn_handle);
}
le_iso_events_->OnIncomingEvent(msg);
},
&le_iso_events_));
return ::grpc::Status::OK;
}
::grpc::Status LeSetCigParametersTest(
::grpc::ServerContext* context,
const ::bluetooth::iso::LeSetCigParametersTestRequest* request,
::google::protobuf::Empty* response) override {
std::vector<hci::LeCisParametersTestConfig> cis_config;
for (const auto& cc : request->cis_configs()) {
hci::LeCisParametersTestConfig cfg;
cfg.cis_id_ = cc.cis_id();
cfg.nse_ = cc.nse();
cfg.max_sdu_m_to_s_ = cc.max_sdu_m_to_s();
cfg.max_sdu_s_to_m_ = cc.max_sdu_s_to_m();
cfg.max_pdu_m_to_s_ = cc.max_pdu_m_to_s();
cfg.max_pdu_s_to_m_ = cc.max_pdu_s_to_m();
cfg.phy_m_to_s_ = cc.phy_m_to_s();
cfg.phy_s_to_m_ = cc.phy_s_to_m();
cfg.bn_m_to_s_ = cc.bn_m_to_s();
cfg.bn_s_to_m_ = cc.bn_s_to_m();
cis_config.push_back(cfg);
}
iso_module_->GetIsoManager()->SetCigParametersTest(
request->cig_id(),
request->sdu_interval_m_to_s(),
request->sdu_interval_s_to_m(),
request->ft_m_to_s(),
request->ft_s_to_m(),
request->iso_interval(),
static_cast<hci::ClockAccuracy>(request->peripherals_clock_accuracy()),
static_cast<hci::Packing>(request->packing()),
static_cast<hci::Enable>(request->framing()),
request->max_transport_latency_m_to_s(),
request->max_transport_latency_s_to_m(),
cis_config,
iso_handler_->BindOnce(
[](::bluetooth::grpc::GrpcEventQueue<LeIsoEventsMsg>* le_iso_events_, std::vector<uint16_t> conn_handles) {
LeIsoEventsMsg msg;
msg.set_message_type(IsoMsgType::ISO_PARAMETERS_SET_COMPLETE);
for (const uint16_t conn_handle : conn_handles) {
msg.add_cis_handle(conn_handle);
}
le_iso_events_->OnIncomingEvent(msg);
},
&le_iso_events_));
return ::grpc::Status::OK;
}
::grpc::Status LeCreateCis(
::grpc::ServerContext* context,
const ::bluetooth::iso::LeCreateCisRequest* request,
::google::protobuf::Empty* response) override {
std::vector<std::pair<uint16_t, uint16_t>> create_cis_params;
for (const auto& handle_pair : request->handle_pair()) {
create_cis_params.push_back(
std::make_pair<uint16_t, uint16_t>(handle_pair.cis_handle(), handle_pair.acl_handle()));
}
iso_module_->GetIsoManager()->LeCreateCis(create_cis_params);
return ::grpc::Status::OK;
}
::grpc::Status FetchIsoData(
::grpc::ServerContext* context, const LeCisHandleMsg* request, ::grpc::ServerWriter<IsoPacket>* writer) override {
return le_iso_data_.RunLoop(context, writer);
}
::grpc::Status FetchIsoEvents(
::grpc::ServerContext* context,
const google::protobuf::Empty* request,
::grpc::ServerWriter<LeIsoEventsMsg>* writer) override {
return le_iso_events_.RunLoop(context, writer);
}
::grpc::Status SendIsoPacket(
::grpc::ServerContext* context,
const ::bluetooth::iso::IsoPacket* request,
::google::protobuf::Empty* response) override {
std::vector<uint8_t> packet(request->payload().begin(), request->payload().end());
iso_module_->GetIsoManager()->SendIsoPacket(request->handle(), packet);
return ::grpc::Status::OK;
}
void OnIsoPacketReceived(std::unique_ptr<hci::IsoView> iso_view) {
ASSERT(iso_view->IsValid());
IsoPacket packet;
packet.set_handle(iso_view->GetConnectionHandle());
if (iso_view->GetTsFlag() == hci::TimeStampFlag::NOT_PRESENT) {
hci::IsoWithoutTimestampView nts = hci::IsoWithoutTimestampView::Create(*iso_view);
ASSERT(nts.IsValid());
auto data_vec = nts.GetPayload();
std::string data = std::string(data_vec.begin(), data_vec.end());
packet.set_payload(data);
le_iso_data_.OnIncomingEvent(packet);
} else {
hci::IsoWithTimestampView tsv = hci::IsoWithTimestampView::Create(*iso_view);
ASSERT(tsv.IsValid());
auto data_vec = tsv.GetPayload();
std::string data = std::string(data_vec.begin(), data_vec.end());
packet.set_payload(data);
le_iso_data_.OnIncomingEvent(packet);
}
}
private:
IsoModule* iso_module_;
::bluetooth::grpc::GrpcEventQueue<LeIsoEventsMsg> le_iso_events_{"LE ISO events"};
::bluetooth::grpc::GrpcEventQueue<IsoPacket> le_iso_data_{"LE ISO data"};
AclManager* acl_manager_ __attribute__((unused));
::bluetooth::os::Handler* iso_handler_;
};
void IsoModuleFacadeModule::ListDependencies(ModuleList* list) const {
::bluetooth::grpc::GrpcFacadeModule::ListDependencies(list);
list->add<IsoModule>();
list->add<AclManager>();
}
void IsoModuleFacadeModule::Start() {
::bluetooth::grpc::GrpcFacadeModule::Start();
service_ = new IsoModuleFacadeService(GetDependency<IsoModule>(), GetDependency<AclManager>(), GetHandler());
}
void IsoModuleFacadeModule::Stop() {
delete service_;
::bluetooth::grpc::GrpcFacadeModule::Stop();
}
::grpc::Service* IsoModuleFacadeModule::GetService() const {
return service_;
}
const ModuleFactory IsoModuleFacadeModule::Factory =
::bluetooth::ModuleFactory([]() { return new IsoModuleFacadeModule(); });
} // namespace iso
} // namespace bluetooth
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