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/*
* 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 "bt_gd_neigh"
#include <memory>
#include "common/bind.h"
#include "hci/hci_layer.h"
#include "hci/hci_packets.h"
#include "module.h"
#include "neighbor/page.h"
#include "neighbor/scan_parameters.h"
#include "os/handler.h"
#include "os/log.h"
namespace bluetooth {
namespace neighbor {
struct PageModule::impl {
void SetScanActivity(ScanParameters params);
ScanParameters GetScanActivity() const;
void SetScanType(hci::PageScanType type);
void SetTimeout(PageTimeout timeout);
void Start();
void Stop();
impl(PageModule& page_module);
private:
PageModule& module_;
ScanParameters scan_parameters_;
hci::PageScanType scan_type_;
PageTimeout timeout_;
void OnCommandComplete(hci::CommandCompleteView status);
hci::HciLayer* hci_layer_;
os::Handler* handler_;
};
const ModuleFactory neighbor::PageModule::Factory = ModuleFactory([]() { return new neighbor::PageModule(); });
neighbor::PageModule::impl::impl(neighbor::PageModule& module) : module_(module) {}
void neighbor::PageModule::impl::OnCommandComplete(hci::CommandCompleteView view) {
switch (view.GetCommandOpCode()) {
case hci::OpCode::WRITE_PAGE_SCAN_ACTIVITY: {
auto packet = hci::WritePageScanActivityCompleteView::Create(view);
ASSERT(packet.IsValid());
ASSERT(packet.GetStatus() == hci::ErrorCode::SUCCESS);
} break;
case hci::OpCode::READ_PAGE_SCAN_ACTIVITY: {
auto packet = hci::ReadPageScanActivityCompleteView::Create(view);
ASSERT(packet.IsValid());
ASSERT(packet.GetStatus() == hci::ErrorCode::SUCCESS);
scan_parameters_.interval = packet.GetPageScanInterval();
scan_parameters_.window = packet.GetPageScanWindow();
} break;
case hci::OpCode::WRITE_PAGE_SCAN_TYPE: {
auto packet = hci::WritePageScanTypeCompleteView::Create(view);
ASSERT(packet.IsValid());
ASSERT(packet.GetStatus() == hci::ErrorCode::SUCCESS);
} break;
case hci::OpCode::READ_PAGE_SCAN_TYPE: {
auto packet = hci::ReadPageScanTypeCompleteView::Create(view);
ASSERT(packet.IsValid());
ASSERT(packet.GetStatus() == hci::ErrorCode::SUCCESS);
scan_type_ = packet.GetPageScanType();
} break;
case hci::OpCode::WRITE_PAGE_TIMEOUT: {
auto packet = hci::WritePageTimeoutCompleteView::Create(view);
ASSERT(packet.IsValid());
ASSERT(packet.GetStatus() == hci::ErrorCode::SUCCESS);
} break;
case hci::OpCode::READ_PAGE_TIMEOUT: {
auto packet = hci::ReadPageTimeoutCompleteView::Create(view);
ASSERT(packet.IsValid());
ASSERT(packet.GetStatus() == hci::ErrorCode::SUCCESS);
timeout_ = packet.GetPageTimeout();
} break;
default:
LOG_ERROR("Unhandled command %s", hci::OpCodeText(view.GetCommandOpCode()).c_str());
break;
}
}
void neighbor::PageModule::impl::Start() {
hci_layer_ = module_.GetDependency<hci::HciLayer>();
handler_ = module_.GetHandler();
hci_layer_->EnqueueCommand(hci::ReadPageScanActivityBuilder::Create(),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
hci_layer_->EnqueueCommand(hci::ReadPageScanTypeBuilder::Create(),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
hci_layer_->EnqueueCommand(hci::ReadPageTimeoutBuilder::Create(),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
}
void neighbor::PageModule::impl::Stop() {
LOG_DEBUG("Page scan interval:%hd window:%hd", scan_parameters_.interval, scan_parameters_.window);
LOG_DEBUG("Page scan_type:%s", hci::PageScanTypeText(scan_type_).c_str());
}
void neighbor::PageModule::impl::SetScanActivity(ScanParameters params) {
hci_layer_->EnqueueCommand(hci::WritePageScanActivityBuilder::Create(params.interval, params.window),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
hci_layer_->EnqueueCommand(hci::ReadPageScanActivityBuilder::Create(),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
LOG_DEBUG("Set page scan activity interval:0x%x/%.02fms window:0x%x/%.02fms", params.interval,
ScanIntervalTimeMs(params.interval), params.window, ScanWindowTimeMs(params.window));
}
ScanParameters neighbor::PageModule::impl::GetScanActivity() const {
return scan_parameters_;
}
void neighbor::PageModule::impl::SetScanType(hci::PageScanType scan_type) {
hci_layer_->EnqueueCommand(hci::WritePageScanTypeBuilder::Create(scan_type),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
hci_layer_->EnqueueCommand(hci::ReadPageScanTypeBuilder::Create(),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
LOG_DEBUG("Set page scan type:%s", hci::PageScanTypeText(scan_type).c_str());
}
void neighbor::PageModule::impl::SetTimeout(PageTimeout timeout) {
hci_layer_->EnqueueCommand(hci::WritePageTimeoutBuilder::Create(timeout),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
hci_layer_->EnqueueCommand(hci::ReadPageTimeoutBuilder::Create(),
common::BindOnce(&impl::OnCommandComplete, common::Unretained(this)), handler_);
LOG_DEBUG("Set page scan timeout:0x%x/%.02fms", timeout, PageTimeoutMs(timeout));
}
/**
* General API here
*/
neighbor::PageModule::PageModule() : pimpl_(std::make_unique<impl>(*this)) {}
neighbor::PageModule::~PageModule() {
pimpl_.reset();
}
void neighbor::PageModule::SetScanActivity(ScanParameters params) {
pimpl_->SetScanActivity(params);
}
ScanParameters neighbor::PageModule::GetScanActivity() const {
return pimpl_->GetScanActivity();
}
void neighbor::PageModule::SetInterlacedScan() {
pimpl_->SetScanType(hci::PageScanType::INTERLACED);
}
void neighbor::PageModule::SetStandardScan() {
pimpl_->SetScanType(hci::PageScanType::STANDARD);
}
void neighbor::PageModule::SetTimeout(PageTimeout timeout) {
pimpl_->SetTimeout(timeout);
}
/**
* Module methods here
*/
void neighbor::PageModule::ListDependencies(ModuleList* list) {
list->add<hci::HciLayer>();
}
void neighbor::PageModule::Start() {
pimpl_->Start();
}
void neighbor::PageModule::Stop() {
pimpl_->Stop();
}
} // namespace neighbor
} // namespace bluetooth
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