86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/*
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* Copyright 2021 HIMSA II K/S - www.himsa.com.
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* Represented by EHIMA - www.ehima.com
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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 <list>
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#include "types/bluetooth/uuid.h"
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#include "types/raw_address.h"
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namespace bluetooth {
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namespace groups {
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static constexpr int kGroupUnknown = -1;
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static const bluetooth::Uuid kGenericContextUuid =
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bluetooth::Uuid::From16Bit(0x0000);
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class DeviceGroupsCallbacks {
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public:
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virtual ~DeviceGroupsCallbacks() = default;
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/* Notifies first group appearance.
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* This callback also contains first group member and uuid of the group.
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*/
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virtual void OnGroupAdded(const RawAddress& address,
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const bluetooth::Uuid& group_uuid,
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int group_id) = 0;
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/* Followed group members are notified with this callback */
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virtual void OnGroupMemberAdded(const RawAddress& address, int group_id) = 0;
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/* Group removal callback */
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virtual void OnGroupRemoved(const bluetooth::Uuid& group_uuid,
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int group_id) = 0;
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/* Callback with group status update */
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virtual void OnGroupMemberRemoved(const RawAddress& address,
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int group_id) = 0;
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/* Callback with group information added from storage */
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virtual void OnGroupAddFromStorage(const RawAddress& address,
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const bluetooth::Uuid& group_uuid,
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int group_id) = 0;
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};
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class DeviceGroups {
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public:
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virtual ~DeviceGroups() = default;
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static void Initialize(DeviceGroupsCallbacks* callbacks);
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static void AddFromStorage(const RawAddress& addr,
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const std::vector<uint8_t>& in);
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static bool GetForStorage(const RawAddress& addr, std::vector<uint8_t>& out);
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static void CleanUp(DeviceGroupsCallbacks* callbacks);
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static DeviceGroups* Get();
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static void DebugDump(int fd);
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/** To add to the existing group, group_id needs to be provided.
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* Otherwise a new group for the given context uuid will be created.
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*/
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virtual int AddDevice(
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const RawAddress& addr,
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bluetooth::Uuid uuid = bluetooth::groups::kGenericContextUuid,
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int group_id = bluetooth::groups::kGroupUnknown) = 0;
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virtual int GetGroupId(
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const RawAddress& addr,
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bluetooth::Uuid uuid = bluetooth::groups::kGenericContextUuid) const = 0;
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virtual void RemoveDevice(
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const RawAddress& addr,
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int group_id = bluetooth::groups::kGroupUnknown) = 0;
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};
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} // namespace groups
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} // namespace bluetooth
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