mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-26 16:11:07 +00:00
118 lines
3.2 KiB
C++
118 lines
3.2 KiB
C++
/*
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* ZeroTier One - Global Peer to Peer Ethernet
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* Copyright (C) 2011-2014 ZeroTier Networks LLC
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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 General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#ifndef ZT_NATIVESOCKETMANAGER_HPP
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#define ZT_NATIVESOCKETMANAGER_HPP
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#include <stdio.h>
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#include <stdlib.h>
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#include <map>
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#include <stdexcept>
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#include "../node/Constants.hpp"
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#include "../node/SharedPtr.hpp"
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#include "../node/Mutex.hpp"
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#include "../node/SocketManager.hpp"
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#include "../node/Socket.hpp"
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#ifdef __WINDOWS__
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#include <WinSock2.h>
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#include <WS2tcpip.h>
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#include <Windows.h>
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#else
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/select.h>
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#endif
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namespace ZeroTier {
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class NativeSocket;
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class NativeUdpSocket;
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class NativeTcpSocket;
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/**
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* Native socket manager for Unix and Windows
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*/
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class NativeSocketManager : public SocketManager
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{
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friend class NativeUdpSocket;
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friend class NativeTcpSocket;
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public:
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NativeSocketManager(int localUdpPort,int localTcpPort);
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virtual ~NativeSocketManager();
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virtual bool send(const InetAddress &to,bool tcp,bool autoConnectTcp,const void *msg,unsigned int msglen);
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virtual void poll(unsigned long timeout,void (*handler)(const SharedPtr<Socket> &,void *,const InetAddress &,Buffer<ZT_SOCKET_MAX_MESSAGE_LEN> &),void *arg);
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virtual void whack();
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virtual void closeTcpSockets();
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private:
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// Used by TcpSocket to register/unregister for write availability notification
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void _startNotifyWrite(const NativeSocket *sock);
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void _stopNotifyWrite(const NativeSocket *sock);
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// Called in SocketManager destructor or in constructor cleanup before exception throwing
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void _closeSockets();
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// Called in SocketManager to recompute _nfds for select() based implementation
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void _updateNfds();
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#ifdef __WINDOWS__
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SOCKET _whackSendPipe;
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SOCKET _whackReceivePipe;
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SOCKET _tcpV4ListenSocket;
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SOCKET _tcpV6ListenSocket;
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#else
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int _whackSendPipe;
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int _whackReceivePipe;
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int _tcpV4ListenSocket;
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int _tcpV6ListenSocket;
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#endif
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Mutex _whackSendPipe_m;
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SharedPtr<Socket> _udpV4Socket;
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SharedPtr<Socket> _udpV6Socket;
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fd_set _readfds;
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fd_set _writefds;
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volatile int _nfds;
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Mutex _fdSetLock;
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std::map< InetAddress,SharedPtr<Socket> > _tcpSockets;
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Mutex _tcpSockets_m;
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Mutex _pollLock;
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};
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} // namespace ZeroTier
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#endif
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