mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
6b27a508ed
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I4bf367877a986910bb03e1c54aa972b4bcd59942
103 lines
4.0 KiB
C++
103 lines
4.0 KiB
C++
#ifndef CORE_V2_INTERNAL_PCP_HANDLER_H_
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#define CORE_V2_INTERNAL_PCP_HANDLER_H_
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#include <vector>
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#include "core_v2/internal/client_proxy.h"
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#include "core_v2/internal/pcp.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/params.h"
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#include "core_v2/status.h"
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#include "core_v2/strategy.h"
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#include "proto/connections_enums.pb.h"
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namespace location {
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namespace nearby {
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namespace connections {
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inline Pcp StrategyToPcp(Strategy strategy) {
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if (strategy == Strategy::kP2pCluster) return Pcp::kP2pCluster;
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if (strategy == Strategy::kP2pStar) return Pcp::kP2pStar;
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if (strategy == Strategy::kP2pPointToPoint) return Pcp::kP2pPointToPoint;
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return Pcp::kUnknown;
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}
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inline Strategy PcpToStrategy(Pcp pcp) {
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if (pcp == Pcp::kP2pCluster) return Strategy::kP2pCluster;
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if (pcp == Pcp::kP2pStar) return Strategy::kP2pStar;
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if (pcp == Pcp::kP2pPointToPoint) return Strategy::kP2pPointToPoint;
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return Strategy::kNone;
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}
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// Defines the set of methods that need to be implemented to handle the
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// per-PCP-specific operations in the OfflineServiceController.
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//
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// These methods are all meant to be synchronous, and should return only after
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// knowing they've done what they were supposed to do (or unequivocally failed
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// to do so).
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//
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// See details here:
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// https://source.corp.google.com/piper///depot/google3/core_v2/core.h
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class PcpHandler {
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public:
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virtual ~PcpHandler() = default;
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// Return strategy supported by this protocol.
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virtual Strategy GetStrategy() const = 0;
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// Return concrete variant of protocol.
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virtual Pcp GetPcp() const = 0;
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// We have been asked by the client to start advertising. Once we successfully
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// start advertising, we'll change the ClientProxy's state.
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// ConnectionListener (info.listener) will be notified in case of any event.
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// See
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// https://source.corp.google.com/piper///depot/google3/core_v2/listeners.h;bpv=1;bpt=1;l=71?gsn=ConnectionListener
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virtual Status StartAdvertising(ClientProxy* client,
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const std::string& service_id,
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const ConnectionOptions& options,
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const ConnectionRequestInfo& info) = 0;
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// If Advertising is active, stop it, and change CLientProxy state,
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// otherwise do nothing.
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virtual void StopAdvertising(ClientProxy* client) = 0;
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// Start discovery of endpoints that may be advertising.
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// Update ClientProxy state once discovery started.
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// DiscoveryListener will get called in case of any event.
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virtual Status StartDiscovery(ClientProxy* client,
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const std::string& service_id,
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const ConnectionOptions& options,
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const DiscoveryListener& listener) = 0;
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// If Discovery is active, stop it, and change CLientProxy state,
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// otherwise do nothing.
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virtual void StopDiscovery(ClientProxy* client) = 0;
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// If remote endpoint has been successfully discovered, request it to form a
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// connection, update state on ClientProxy.
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virtual Status RequestConnection(ClientProxy* client,
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const std::string& endpoint_id,
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const ConnectionRequestInfo& info) = 0;
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// Either party may call this to accept connection on their part.
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// Until both parties call it, connection will not reach a data phase.
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// Update state in ClientProxy.
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virtual Status AcceptConnection(ClientProxy* clientProxy,
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const std::string& endpoint_id,
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const PayloadListener& payload_listener) = 0;
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// Either party may call this to reject connection on their part before
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// connection reaches data phase. If either party does call it, connection
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// will terminate. Update state in ClientProxy.
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virtual Status RejectConnection(ClientProxy* client,
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const std::string& endpoint_id) = 0;
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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_HANDLER_H_
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