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OpenSpace/include/openspace/network/parallelserver.h
Alexander Bock d7d279ea16 Happy new year
2022-01-01 12:32:55 +01:00

118 lines
4.7 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2022 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_CORE___PARALLELSERVER___H__
#define __OPENSPACE_CORE___PARALLELSERVER___H__
#include <openspace/network/parallelconnection.h>
#include <openspace/util/concurrentqueue.h>
#include <ghoul/io/socket/tcpsocketserver.h>
#include <atomic>
#include <string>
#include <unordered_map>
namespace openspace {
class ParallelServer {
public:
void start(int port, const std::string& password,
const std::string& changeHostPassword);
void setDefaultHostAddress(std::string defaultHostAddress);
std::string defaultHostAddress() const;
void stop();
size_t nConnections() const;
private:
struct Peer {
size_t id;
std::string name;
ParallelConnection parallelConnection;
ParallelConnection::Status status;
std::thread thread;
};
struct PeerMessage {
size_t peerId;
ParallelConnection::Message message;
};
bool isConnected(const Peer& peer) const;
void sendMessage(Peer& peer, ParallelConnection::MessageType messageType,
const std::vector<char>& message);
void sendMessageToAll(ParallelConnection::MessageType messageType,
const std::vector<char>& message);
void sendMessageToClients(ParallelConnection::MessageType messageType,
const std::vector<char>& message);
void disconnect(Peer& peer);
void setName(Peer& peer, std::string name);
void assignHost(std::shared_ptr<Peer> newHost);
void setToClient(Peer& peer);
void setNConnections(size_t nConnections);
void sendConnectionStatus(Peer& peer);
void handleAuthentication(std::shared_ptr<Peer> peer, std::vector<char> message);
void handleData(const Peer& peer, std::vector<char> data);
void handleHostshipRequest(std::shared_ptr<Peer> peer, std::vector<char> message);
void handleHostshipResignation(Peer& peer);
void handleNewPeers();
void eventLoop();
std::shared_ptr<Peer> peer(size_t id);
void handlePeer(size_t id);
void handlePeerMessage(PeerMessage peerMessage);
std::unordered_map<size_t, std::shared_ptr<Peer>> _peers;
mutable std::mutex _peerListMutex;
std::thread _serverThread;
std::thread _eventLoopThread;
ghoul::io::TcpSocketServer _socketServer;
size_t _passwordHash;
size_t _changeHostPasswordHash;
size_t _nextConnectionId = 1;
std::atomic_bool _shouldStop = false;
std::atomic_size_t _nConnections = 0;
std::atomic_size_t _hostPeerId = 0;
mutable std::mutex _hostInfoMutex;
std::string _hostName;
std::string _defaultHostAddress;
ConcurrentQueue<PeerMessage> _incomingMessages;
};
} // namespace openspace
#endif // __OPENSPACE_CORE___PARALLELSERVER___H__