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156 lines
6.0 KiB
156 lines
6.0 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <chrono>
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#include <map>
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#include "address.h"
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#include "class_of_device.h"
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#include "common/bidi_queue.h"
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#include "common/callback.h"
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#include "common/contextual_callback.h"
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#include "hal/hci_hal.h"
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#include "hci/acl_connection_interface.h"
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#include "hci/hci_packets.h"
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#include "hci/le_acl_connection_interface.h"
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#include "hci/le_advertising_interface.h"
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#include "hci/le_iso_interface.h"
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#include "hci/le_scanning_interface.h"
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#include "hci/le_security_interface.h"
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#include "hci/security_interface.h"
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#include "module.h"
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#include "os/utils.h"
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namespace bluetooth {
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namespace hci {
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class HciLayer : public Module, public CommandInterface<CommandBuilder> {
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// LINT.IfChange
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public:
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HciLayer();
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virtual ~HciLayer();
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DISALLOW_COPY_AND_ASSIGN(HciLayer);
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void EnqueueCommand(
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std::unique_ptr<CommandBuilder> command,
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common::ContextualOnceCallback<void(CommandCompleteView)> on_complete) override;
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void EnqueueCommand(
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std::unique_ptr<CommandBuilder> command,
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common::ContextualOnceCallback<void(CommandStatusView)> on_status) override;
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virtual common::BidiQueueEnd<AclBuilder, AclView>* GetAclQueueEnd();
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virtual common::BidiQueueEnd<IsoBuilder, IsoView>* GetIsoQueueEnd();
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virtual void RegisterEventHandler(EventCode event_code, common::ContextualCallback<void(EventView)> event_handler);
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virtual void UnregisterEventHandler(EventCode event_code);
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virtual void RegisterLeEventHandler(SubeventCode subevent_code,
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common::ContextualCallback<void(LeMetaEventView)> event_handler);
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virtual void UnregisterLeEventHandler(SubeventCode subevent_code);
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virtual SecurityInterface* GetSecurityInterface(common::ContextualCallback<void(EventView)> event_handler);
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virtual LeSecurityInterface* GetLeSecurityInterface(common::ContextualCallback<void(LeMetaEventView)> event_handler);
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virtual AclConnectionInterface* GetAclConnectionInterface(
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common::ContextualCallback<void(EventView)> event_handler,
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common::ContextualCallback<void(uint16_t, hci::ErrorCode)> on_disconnect,
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common::ContextualCallback<void(hci::ErrorCode, uint16_t, uint8_t, uint16_t, uint16_t)>
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on_read_remote_version_complete);
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virtual LeAclConnectionInterface* GetLeAclConnectionInterface(
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common::ContextualCallback<void(LeMetaEventView)> event_handler,
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common::ContextualCallback<void(uint16_t, hci::ErrorCode)> on_disconnect,
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common::ContextualCallback<void(hci::ErrorCode, uint16_t, uint8_t, uint16_t, uint16_t)>
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on_read_remote_version_complete);
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virtual LeAdvertisingInterface* GetLeAdvertisingInterface(
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common::ContextualCallback<void(LeMetaEventView)> event_handler);
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virtual LeScanningInterface* GetLeScanningInterface(common::ContextualCallback<void(LeMetaEventView)> event_handler);
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virtual LeIsoInterface* GetLeIsoInterface(common::ContextualCallback<void(LeMetaEventView)> event_handler);
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std::string ToString() const override {
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return "Hci Layer";
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}
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static constexpr std::chrono::milliseconds kHciTimeoutMs = std::chrono::milliseconds(2000);
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static constexpr std::chrono::milliseconds kHciTimeoutRestartMs = std::chrono::milliseconds(5000);
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static const ModuleFactory Factory;
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protected:
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// LINT.ThenChange(fuzz/fuzz_hci_layer.h)
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void ListDependencies(ModuleList* list) override;
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void Start() override;
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void Stop() override;
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virtual void Disconnect(uint16_t handle, ErrorCode reason);
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virtual void ReadRemoteVersion(
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hci::ErrorCode hci_status, uint16_t handle, uint8_t version, uint16_t manufacturer_name, uint16_t sub_version);
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virtual void RegisterLeMetaEventHandler(common::ContextualCallback<void(EventView)> event_handler);
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private:
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struct impl;
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struct hal_callbacks;
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impl* impl_;
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hal_callbacks* hal_callbacks_;
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template <typename T>
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class CommandInterfaceImpl : public CommandInterface<T> {
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public:
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explicit CommandInterfaceImpl(HciLayer& hci) : hci_(hci) {}
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~CommandInterfaceImpl() = default;
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void EnqueueCommand(std::unique_ptr<T> command,
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common::ContextualOnceCallback<void(CommandCompleteView)> on_complete) override {
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hci_.EnqueueCommand(move(command), std::move(on_complete));
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}
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void EnqueueCommand(std::unique_ptr<T> command,
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common::ContextualOnceCallback<void(CommandStatusView)> on_status) override {
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hci_.EnqueueCommand(move(command), std::move(on_status));
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}
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HciLayer& hci_;
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};
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std::list<common::ContextualCallback<void(uint16_t, ErrorCode)>> disconnect_handlers_;
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std::list<common::ContextualCallback<void(hci::ErrorCode, uint16_t, uint8_t, uint16_t, uint16_t)>>
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read_remote_version_handlers_;
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void on_disconnection_complete(EventView event_view);
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void on_read_remote_version_complete(EventView event_view);
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// Interfaces
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CommandInterfaceImpl<AclCommandBuilder> acl_connection_manager_interface_{*this};
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CommandInterfaceImpl<AclCommandBuilder> le_acl_connection_manager_interface_{*this};
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CommandInterfaceImpl<SecurityCommandBuilder> security_interface{*this};
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CommandInterfaceImpl<LeSecurityCommandBuilder> le_security_interface{*this};
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CommandInterfaceImpl<LeAdvertisingCommandBuilder> le_advertising_interface{*this};
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CommandInterfaceImpl<LeScanningCommandBuilder> le_scanning_interface{*this};
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CommandInterfaceImpl<LeIsoCommandBuilder> le_iso_interface{*this};
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};
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} // namespace hci
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} // namespace bluetooth
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