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/*
* Copyright (C) 2019 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 <stddef.h>
#include <stdint.h>
#include <functional>
#include <memory>
#include <string_view>
#include <vector>
#include <adbwifi/pairing/pairing_connection.h>
namespace adbwifi {
namespace pairing {
// PairingServer is the server side of the PairingConnection protocol. It will
// listen for incoming PairingClient connections, and allocate a new
// PairingConnection per client for processing. PairingServer can handle multiple
// connections, but the first one to establish the pairing will be the only one
// to succeed. All others will be disconnected.
//
// See pairing_connection_test.cpp for example usage.
//
class PairingServer {
public:
using Data = std::vector<uint8_t>;
virtual ~PairingServer() = default;
// Starts the pairing server. This call is non-blocking. Upon completion,
// if the pairing was successful, then |cb| will be called with the PeerInfo
// containing the info of the trusted peer. Otherwise, |cb| will be
// called with an empty value. Start can only be called once in the lifetime
// of this object.
//
// Returns true if PairingServer was successfully started. Otherwise,
// returns false.
virtual bool start(PairingConnection::ResultCallback cb, void* opaque) = 0;
// Creates a new PairingServer instance. May return null if unable
// to create an instance. |pswd|, |certificate| and |priv_key| cannot
// be empty. |port| is the port PairingServer will listen to PairingClient
// connections on. |peer_info| must contain non-empty strings for the guid
// and name fields.
static std::unique_ptr<PairingServer> create(const Data& pswd, const PeerInfo& peer_info,
const Data& certificate, const Data& priv_key,
int port);
protected:
PairingServer() = default;
}; // class PairingServer
} // namespace pairing
} // namespace adbwifi
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