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https://github.com/kidfromjupiter/nearby.git
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84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
// Copyright 2020 Google LLC
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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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// https://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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#ifndef CORE_V2_INTERNAL_PCP_MANAGER_H_
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#define CORE_V2_INTERNAL_PCP_MANAGER_H_
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#include <string>
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#include "core_v2/internal/base_pcp_handler.h"
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#include "core_v2/internal/bwu_manager.h"
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#include "core_v2/internal/client_proxy.h"
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#include "core_v2/internal/endpoint_channel_manager.h"
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#include "core_v2/internal/endpoint_manager.h"
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#include "core_v2/internal/mediums/mediums.h"
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#include "core_v2/listeners.h"
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#include "core_v2/options.h"
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#include "core_v2/status.h"
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#include "core_v2/strategy.h"
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#include "platform_v2/public/atomic_boolean.h"
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#include "absl/container/flat_hash_map.h"
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namespace location {
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namespace nearby {
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namespace connections {
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// Manages all known PcpHandler implementations, delegating operations to the
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// appropriate one as per the parameters passed in.
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//
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// This will only ever be used by the OfflineServiceController, which has all
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// of its entrypoints invoked serially, so there's no synchronization needed.
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// Public method semantics matches definition in the
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// cpp/core_v2/internal/service_controller.h
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class PcpManager {
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public:
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PcpManager(Mediums& mediums, EndpointChannelManager& channel_manager,
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EndpointManager& endpoint_manager, BwuManager& bwu_manager);
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~PcpManager();
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Status StartAdvertising(ClientProxy* client, const string& service_id,
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const ConnectionOptions& options,
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const ConnectionRequestInfo& info);
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void StopAdvertising(ClientProxy* client);
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Status StartDiscovery(ClientProxy* client, const string& service_id,
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const ConnectionOptions& options,
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DiscoveryListener listener);
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void StopDiscovery(ClientProxy* client);
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Status RequestConnection(ClientProxy* client, const string& endpoint_id,
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const ConnectionRequestInfo& info,
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const ConnectionOptions& options);
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Status AcceptConnection(ClientProxy* client, const string& endpoint_id,
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const PayloadListener& payload_listener);
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Status RejectConnection(ClientProxy* client, const string& endpoint_id);
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proto::connections::Medium GetBandwidthUpgradeMedium();
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void DisconnectFromEndpointManager();
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private:
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bool SetCurrentPcpHandler(Strategy strategy);
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PcpHandler* GetPcpHandler(Pcp pcp) const;
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AtomicBoolean shutdown_{false};
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absl::flat_hash_map<Pcp, std::unique_ptr<BasePcpHandler>> handlers_;
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PcpHandler* current_ = nullptr;
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};
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} // namespace connections
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} // namespace nearby
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} // namespace location
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#endif // CORE_V2_INTERNAL_PCP_MANAGER_H_
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