mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-27 00:21:05 +00:00
152 lines
3.6 KiB
C++
152 lines
3.6 KiB
C++
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2015 ZeroTier, Inc.
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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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#include <sys/poll.h>
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#include <string>
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#include "../osdep/Phy.hpp"
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#include "NetconEthernetTap.hpp"
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#include "Intercept.h"
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#include "LWIPStack.hpp"
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#ifndef _NETCON_SERVICE_HPP
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#define _NETCON_SERVICE_HPP
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using namespace std;
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namespace ZeroTier {
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class NetconEthernetTap;
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// Helper class for passing reference to Phy to LWIP callbacks
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class Larg
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{
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public:
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NetconEthernetTap *tap;
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PhySocket *sock;
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Larg(NetconEthernetTap *_tap, PhySocket *_sock) : tap(_tap), sock(_sock) {}
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};
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enum NetconConnectionType { RPC, BUFFER };
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// prototypes
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class NetconClient;
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class NetconConnection;
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//
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class NetconConnection
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{
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public:
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int their_fd;
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unsigned char buf[DEFAULT_READ_BUFFER_SIZE];
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int idx;
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NetconConnectionType type;
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struct tcp_pcb *pcb;
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PhySocket *sock;
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NetconClient *owner;
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NetconConnection(NetconConnectionType type, PhySocket *sock) : type(type), sock(sock) {}
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};
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//
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class NetconClient
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{
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public:
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vector<NetconConnection*> connections;
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int tid;
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bool waiting_for_retval;
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NetconConnection *rpc;
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NetconConnection* unmapped_conn;
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NetconConnection *addConnection(NetconConnectionType type, PhySocket *sock)
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{
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NetconConnection *new_conn = new NetconConnection(type, sock);
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new_conn->owner = this;
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return new_conn;
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}
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// Check data and RPC connections
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NetconConnection *getConnection(PhySocket *sock)
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{
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if(sock && sock == rpc->sock) {
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return rpc;
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}
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for(size_t i=0; i<connections.size(); i++) {
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if(sock == connections[i]->sock) { return connections[i];}
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}
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return NULL;
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}
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//
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NetconConnection *getConnectionByTheirFD(int fd)
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{
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for(size_t i=0; i<connections.size(); i++) {
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if(connections[i]->their_fd == fd) { return connections[i]; }
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}
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return NULL;
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}
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//
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NetconConnection *getConnectionByPCB(struct tcp_pcb *pcb)
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{
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for(size_t i=0; i<connections.size(); i++) {
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if(connections[i]->pcb == pcb) { return connections[i]; }
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}
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return NULL;
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}
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NetconConnection *containsPCB(struct tcp_pcb *pcb)
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{
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for(size_t i=0; i<connections.size(); i++) {
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if(connections[i]->pcb == pcb) { return connections[i]; }
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}
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return NULL;
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}
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void closeConnection(NetconConnection *c)
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{
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// close all connections
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// -- pcb
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// -- PhySocket
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}
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void closeConnection(PhySocket *sock)
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{
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}
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void closeClient()
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{
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}
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};
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} // namespace ZeroTier
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#endif
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