mirror of
https://github.com/RetroShare/RetroShare.git
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109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
/*******************************************************************************
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* libretroshare/src/zeroconf: p3zcnatassist.h *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2011-2012 by Robert Fernie <retroshare@lunamutt.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 Lesser 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 Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#ifndef MRK_P3_ZC_NAT_ASSIST_H
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#define MRK_P3_ZC_NAT_ASSIST_H
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#include "util/rswin.h"
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#include "pqi/pqiassist.h"
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#include "retroshare/rsdht.h"
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#include <string>
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#include <map>
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#include "pqi/pqinetwork.h"
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#include "pqi/pqimonitor.h"
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#include "pqi/p3peermgr.h"
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#include "util/rsthreads.h"
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#include <dns_sd.h>
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class p3NetMgr;
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class p3zcNatAssist: public pqiNetAssistFirewall
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{
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public:
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p3zcNatAssist();
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virtual ~p3zcNatAssist();
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/* pqiNetAssist - external interface functions */
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virtual int tick();
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virtual void enable(bool on);
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virtual void shutdown(); /* blocking call */
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virtual void restart();
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virtual bool getEnabled();
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virtual bool getActive();
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virtual void setInternalPort(unsigned short iport_in);
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virtual void setExternalPort(unsigned short eport_in);
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virtual bool getInternalAddress(struct sockaddr_storage &addr);
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virtual bool getExternalAddress(struct sockaddr_storage &addr);
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/* TO IMPLEMENT: New Port Forward interface to support as many ports as necessary */
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virtual bool requestPortForward(const PortForwardParams ¶ms) { return false; }
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virtual bool statusPortForward(const uint32_t fwdId, PortForwardParams ¶ms) { return false; }
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/* pqiNetAssistConnect - external interface functions */
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public:
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// Callbacks must be public -> so they can be accessed.
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void callbackMapping(DNSServiceRef sdRef, DNSServiceFlags flags,
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uint32_t interfaceIndex, DNSServiceErrorType errorCode,
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uint32_t externalAddress, DNSServiceProtocol protocol,
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uint16_t internalPort, uint16_t externalPort, uint32_t ttl);
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private:
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/* monitoring fns */
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void checkServiceFDs();
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void locked_checkFD(DNSServiceRef ref);
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int locked_startMapping();
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void locked_stopMapping();
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/**************** DATA ****************/
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RsMutex mZcMtx;
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bool mEnabled;
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bool mMapped;
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uint16_t mLocalPort;
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bool mLocalPortSet;
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uint16_t mExternalPort;
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bool mExternalPortSet;
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struct sockaddr_storage mExternalAddress;
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int mTTL;
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DNSServiceRef mMappingRef;
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uint32_t mMappingStatus;
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time_t mMappingStatusTS;
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};
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#endif /* MRK_P3_ZC_NAT_ASSIST_H */
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