mirror of
https://github.com/RetroShare/RetroShare.git
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92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/*
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* RetroShare Friend Server
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* Copyright (C) 2021-2021 retroshare team <retroshare.project@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-FileCopyrightText: Retroshare Team <contact@retroshare.cc>
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include "util/rsthreads.h"
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#include "pqi/pqistreamer.h"
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#include "pgp/pgphandler.h"
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#include "network.h"
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class RsFriendServerClientRemoveItem;
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class RsFriendServerClientPublishItem;
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struct PeerInfo
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{
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typedef RsPgpFingerprint PeerDistance;
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RsPgpFingerprint pgp_fingerprint;
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std::string short_certificate;
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rstime_t last_connection_TS;
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uint64_t last_nonce;
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std::map<PeerDistance,RsPeerId> closest_peers;
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std::map<PeerDistance,RsPeerId> have_added_this_peer;
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};
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class FriendServer : public RsTickingThread
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{
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public:
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FriendServer(const std::string& base_directory,const std::string& listening_address,uint16_t listening_port);
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private:
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// overloads RsTickingThread
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virtual void threadTick() override;
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virtual void run() override;
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// Own algorithmics
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void handleClientRemove(const RsFriendServerClientRemoveItem *item);
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void handleClientPublish(const RsFriendServerClientPublishItem *item);
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// Updates for each peer in the database, the list of closest peers w.r.t. some arbitrary distance.
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void updateClosestPeers(const RsPeerId& pid,const RsPgpFingerprint& fpr);
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// removes a single peer from all lists.
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void removePeer(const RsPeerId& peer_id);
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// Adds the incoming peer data to the list of current clients and returns the
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std::map<RsPeerId,PeerInfo>::iterator handleIncomingClientData(const std::string& pgp_public_key_b64,const std::string& short_invite_b64);
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// Computes the appropriate list of short invites to send to a given peer.
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std::map<std::string, bool> computeListOfFriendInvites(uint32_t nb_reqs_invites, const RsPeerId &pid, std::map<RsPeerId,RsPgpFingerprint>& friends);
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// Compute the distance between peers using the random bias (It's not really a distance though. I'm not sure about the triangular inequality).
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PeerInfo::PeerDistance computePeerDistance(const RsPgpFingerprint &p1, const RsPgpFingerprint &p2);
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void autoWash();
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void debugPrint();
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// Local members
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FsNetworkInterface *mni;
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PGPHandler *mPgpHandler;
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std::string mBaseDirectory;
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RsPgpFingerprint mRandomPeerBias;
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std::map<RsPeerId, PeerInfo> mCurrentClientPeers;
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std::string mListeningAddress;
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uint16_t mListeningPort;
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};
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