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/*
* Copyright 2020 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.
*/
#pragma once
#include "hci/controller.h"
#include "hci/hci_layer.h"
#include "hci/hci_packets.h"
#include "os/handler.h"
#include <list>
namespace bluetooth {
namespace iso {
using SetCigParametersCallback = common::ContextualOnceCallback<void(std::vector<uint16_t>)>;
using CisEstablishedCallback = common::ContextualCallback<void(uint16_t)>;
using IsoDataCallback = common::ContextualCallback<void(std::unique_ptr<hci::IsoView>)>;
namespace internal {
struct IsochronousConnection {
uint16_t connection_handle;
uint8_t cig_id;
uint8_t cis_id;
};
class IsoManagerImpl {
public:
explicit IsoManagerImpl(os::Handler* iso_handler, hci::HciLayer* hci_layer, hci::Controller* controller);
~IsoManagerImpl();
void RegisterIsoEstablishedCallback(CisEstablishedCallback cb) {
this->cis_established_callback = cb;
}
void RegisterIsoDataCallback(IsoDataCallback cb) {
this->iso_data_callback = cb;
}
void OnHciLeEvent(hci::LeMetaEventView event);
void SetCigParameters(
uint8_t cig_id,
uint32_t sdu_interval_m_to_s,
uint32_t sdu_interval_s_to_m,
hci::ClockAccuracy peripherals_clock_accuracy,
hci::Packing packing,
hci::Enable framing,
uint16_t max_transport_latency_m_to_s,
uint16_t max_transport_latency_s_to_m,
const std::vector<hci::CisParametersConfig>& cis_config,
SetCigParametersCallback command_complete_callback);
void SetCigParametersComplete(
uint8_t cig_id,
const std::vector<hci::CisParametersConfig>& cis_configs,
SetCigParametersCallback command_complete_callback,
hci::CommandCompleteView command_complete);
void SetCigParametersTest(
uint8_t cig_id,
uint32_t sdu_interval_m_to_s,
uint32_t sdu_interval_s_to_m,
uint8_t ft_m_to_s,
uint8_t ft_s_to_m,
uint16_t iso_interval,
hci::ClockAccuracy peripherals_clock_accuracy,
hci::Packing packing,
hci::Enable framing,
uint16_t max_transport_latency_m_to_s,
uint16_t max_transport_latency_s_to_m,
const std::vector<hci::LeCisParametersTestConfig>& cis_config,
SetCigParametersCallback command_complete_callback);
void SetCigParametersTestComplete(
uint8_t cig_id,
const std::vector<hci::LeCisParametersTestConfig>& cis_configs,
SetCigParametersCallback command_complete_callback,
hci::CommandCompleteView command_complete);
void LeCreateCis(std::vector<std::pair<uint16_t, uint16_t>> cis_and_acl_handles);
void RemoveCig(uint8_t cig_id);
void RemoveCigComplete(hci::CommandCompleteView command_complete);
void SendIsoPacket(uint16_t cis_handle, std::vector<uint8_t> packet);
void OnIncomingPacket();
bool IsKnownCig(uint8_t cig_id) {
return find_if(iso_connections_.begin(), iso_connections_.end(), [cig_id](const IsochronousConnection& c) {
return c.cig_id == cig_id;
}) != iso_connections_.end();
}
private:
os::Handler* iso_handler_;
hci::HciLayer* hci_layer_;
hci::LeIsoInterface* hci_le_iso_interface_;
std::unique_ptr<os::EnqueueBuffer<bluetooth::hci::IsoBuilder>> iso_enqueue_buffer_;
hci::Controller* controller_ __attribute__((unused));
std::list<IsochronousConnection> iso_connections_;
CisEstablishedCallback cis_established_callback;
IsoDataCallback iso_data_callback;
};
} // namespace internal
} // namespace iso
} // namespace bluetooth
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