RetroShare/libretroshare/src/pqi/p3netmgr.h
chrisparker126 0f29d28b1b merge of branch v0.6-idclean 7180
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7187 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2014-03-17 20:56:06 +00:00

358 lines
9.9 KiB
C++

/*
* libretroshare/src/pqi: p3netmgr.h
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2007-2008 by Robert Fernie.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#ifndef MRK_PQI_NET_MANAGER_HEADER
#define MRK_PQI_NET_MANAGER_HEADER
#include "pqi/pqimonitor.h"
#include "pqi/pqiipset.h"
//#include "pqi/p3dhtmgr.h"
//#include "pqi/p3upnpmgr.h"
#include "pqi/pqiassist.h"
#include "pqi/pqinetstatebox.h"
#include "pqi/p3cfgmgr.h"
#include "util/rsthreads.h"
class ExtAddrFinder ;
class DNSResolver ;
/* RS_VIS_STATE_XXXX
* determines how public this peer wants to be...
*
* STD = advertise to Peers / DHT checking etc
* GRAY = share with friends / but not DHT
* DARK = hidden from all
* BROWN? = hidden from friends / but on DHT
*/
class pqiNetStatus
{
public:
pqiNetStatus();
bool mLocalAddrOk; // Local address is not loopback.
bool mExtAddrOk; // have external address.
bool mExtAddrStableOk; // stable external address.
bool mUpnpOk; // upnp is ok.
bool mDhtOk; // dht is ok.
uint32_t mDhtNetworkSize;
uint32_t mDhtRsNetworkSize;
struct sockaddr_storage mLocalAddr; // percieved ext addr.
struct sockaddr_storage mExtAddr; // percieved ext addr.
bool mResetReq; // Not Used yet!.
void print(std::ostream &out);
bool NetOk() // minimum to believe network is okay.`
{
return (mLocalAddrOk && mExtAddrOk);
}
};
class p3PeerMgr;
class p3LinkMgr;
class p3PeerMgrIMPL;
class p3LinkMgrIMPL;
class rsUdpStack;
class UdpStunner;
class p3BitDht;
class UdpRelayReceiver;
#define NETMGR_DHT_FEEDBACK_CONNECTED 0x0001
#define NETMGR_DHT_FEEDBACK_CONN_FAILED 0x0002
#define NETMGR_DHT_FEEDBACK_CONN_CLOSED 0x0003
/**********
* p3NetMgr Interface....
* This allows a drop-in replacement for testing.
*/
class p3NetMgr
{
public:
p3NetMgr() { return; }
virtual ~p3NetMgr() { return; }
/*************** External Control ****************/
// Setup Network State.
virtual bool setNetworkMode(uint32_t netMode) = 0;
virtual bool setVisState(uint16_t vs_disc, uint16_t vs_dht) = 0;
// Switch DHT On/Off.
virtual bool netAssistFriend(const RsPeerId &id, bool on) = 0;
virtual bool netAssistKnownPeer(const RsPeerId &id, const struct sockaddr_storage &addr, uint32_t flags) = 0;
virtual bool netAssistBadPeer(const struct sockaddr_storage &addr, uint32_t reason, uint32_t flags, uint32_t age) = 0;
virtual bool netAssistStatusUpdate(const RsPeerId &id, int mode) = 0;
/* Get Network State */
virtual uint32_t getNetStateMode() = 0;
virtual uint32_t getNetworkMode() = 0;
virtual uint32_t getNatTypeMode() = 0;
virtual uint32_t getNatHoleMode() = 0;
virtual uint32_t getConnectModes() = 0;
/* Shut It Down! */
virtual bool shutdown() = 0; /* blocking shutdown call */
/************* DEPRECIATED FUNCTIONS (TO REMOVE) ********/
// THESE SHOULD BE MOVED TO p3PeerMgr (as it controls the config).
// The functional object should be transformed into a NetAssistFirewall object.
// ONLY USED by p3peers.cc & p3peermgr.cc
virtual bool getIPServersEnabled() = 0;
virtual void setIPServersEnabled(bool b) = 0;
virtual void getIPServersList(std::list<std::string>& ip_servers) = 0;
// ONLY USED by p3face-config.cc WHICH WILL BE REMOVED.
virtual void getNetStatus(pqiNetStatus &status) = 0;
virtual bool getUPnPState() = 0;
virtual bool getUPnPEnabled() = 0;
virtual bool getDHTEnabled() = 0;
/************************************************************************************************/
/************************************************************************************************/
/************************************************************************************************/
/************************************************************************************************/
};
class p3NetMgrIMPL: public p3NetMgr
{
public:
p3NetMgrIMPL();
/************************************************************************************************/
/* EXTERNAL INTERFACE */
/************************************************************************************************/
/*************** External Control ****************/
// Setup Network State.
virtual bool setNetworkMode(uint32_t netMode);
virtual bool setVisState(uint16_t vs_disc, uint16_t vs_dht);
// Switch DHT On/Off.
virtual bool netAssistFriend(const RsPeerId &id, bool on);
virtual bool netAssistKnownPeer(const RsPeerId &id, const struct sockaddr_storage &addr, uint32_t flags);
virtual bool netAssistBadPeer(const struct sockaddr_storage &addr, uint32_t reason, uint32_t flags, uint32_t age);
virtual bool netAssistStatusUpdate(const RsPeerId &id, int mode);
/* Get Network State */
virtual uint32_t getNetStateMode();
virtual uint32_t getNetworkMode();
virtual uint32_t getNatTypeMode();
virtual uint32_t getNatHoleMode();
virtual uint32_t getConnectModes();
/* Shut It Down! */
virtual bool shutdown(); /* blocking shutdown call */
/************* DEPRECIATED FUNCTIONS (TO REMOVE) ********/
// THESE SHOULD BE MOVED TO p3PeerMgr (as it controls the config).
// The functional object should be transformed into a NetAssistFirewall object.
// ONLY USED by p3peers.cc & p3peermgr.cc
virtual bool getIPServersEnabled();
virtual void setIPServersEnabled(bool b);
virtual void getIPServersList(std::list<std::string>& ip_servers);
// ONLY USED by p3face-config.cc WHICH WILL BE REMOVED.
virtual void getNetStatus(pqiNetStatus &status);
virtual bool getUPnPState();
virtual bool getUPnPEnabled();
virtual bool getDHTEnabled();
/************************************************************************************************/
/* Extra IMPL Functions (used by p3PeerMgr, p3NetMgr + Setup) */
/************************************************************************************************/
void setManagers(p3PeerMgr *peerMgr, p3LinkMgr *linkMgr);
void setAddrAssist(pqiAddrAssist *dhtStun, pqiAddrAssist *proxyStun);
void tick();
// THESE MIGHT BE ADDED TO INTERFACE.
bool setLocalAddress(const struct sockaddr_storage &addr);
bool setExtAddress(const struct sockaddr_storage &addr);
/*************** Setup ***************************/
void addNetAssistConnect(uint32_t type, pqiNetAssistConnect *);
void addNetAssistFirewall(uint32_t type, pqiNetAssistFirewall *);
void addNetListener(pqiNetListener *listener);
// SHOULD MAKE THIS PROTECTED.
bool checkNetAddress(); /* check our address is sensible */
protected:
void slowTick();
/* THESE FUNCTIONS ARE ON_LONGER EXTERNAL - CAN THEY BE REMOVED? */
//bool getDHTStats(uint32_t &netsize, uint32_t &localnetsize);
//bool getNetStatusLocalOk();
//bool getNetStatusUpnpOk();
//bool getNetStatusDhtOk();
//bool getNetStatusStunOk();
//bool getNetStatusExtraAddressCheckOk();
//bool getUpnpExtAddress(struct sockaddr_in &addr);
//bool getExtFinderAddress(struct sockaddr_in &addr);
//void setOwnNetConfig(uint32_t netMode, uint32_t visState);
protected:
/****************** Internal Interface *******************/
bool enableNetAssistFirewall(bool on);
bool netAssistFirewallEnabled();
bool netAssistFirewallActive();
bool netAssistFirewallShutdown();
bool enableNetAssistConnect(bool on);
bool netAssistConnectEnabled();
bool netAssistConnectActive();
bool netAssistConnectShutdown();
bool netAssistConnectStats(uint32_t &netsize, uint32_t &localnetsize);
void netAssistTick();
/* Assist Firewall */
bool netAssistExtAddress(struct sockaddr_storage &extAddr);
bool netAssistFirewallPorts(uint16_t iport, uint16_t eport);
/* Assist Connect */
//virtual bool netAssistFriend(std::string id, bool on); (PUBLIC)
bool netAssistSetAddress(const struct sockaddr_storage &laddr,
const struct sockaddr_storage &eaddr,
uint32_t mode);
bool netAssistAttach(bool on);
/* Internal Functions */
void netReset();
void statusTick();
void netTick();
void netStartup();
/* startup the bits */
void netDhtInit();
void netUdpInit();
void netStunInit();
void netInit();
void netExtInit();
void netExtCheck();
void netUpnpInit();
void netUpnpCheck();
void netUnreachableCheck();
/* net state via NetStateBox */
void updateNetStateBox_temporal();
void updateNetStateBox_startup();
void updateNetStateBox_reset();
void updateNatSetting();
private:
// These should have there own Mutex Protection,
ExtAddrFinder *mExtAddrFinder ;
/* These are considered static from a MUTEX perspective */
std::map<uint32_t, pqiNetAssistFirewall *> mFwAgents;
std::map<uint32_t, pqiNetAssistConnect *> mDhts;
std::list<pqiNetListener *> mNetListeners;
p3PeerMgr *mPeerMgr;
p3LinkMgr *mLinkMgr;
//p3BitDht *mBitDht;
pqiAddrAssist *mDhtStunner;
pqiAddrAssist *mProxyStunner;
RsMutex mNetMtx; /* protects below */
void netStatusReset_locked();
struct sockaddr_storage mLocalAddr;
struct sockaddr_storage mExtAddr;
uint32_t mNetMode;
uint16_t mVsDisc;
uint16_t mVsDht;
time_t mNetInitTS;
uint32_t mNetStatus;
bool mStatusChanged;
bool mUseExtAddrFinder;
/* network status flags (read by rsiface) */
pqiNetStatus mNetFlags;
pqiNetStatus mOldNetFlags;
// Improved NetStatusBox, which uses the Stunners!
pqiNetStateBox mNetStateBox;
time_t mLastSlowTickTime;
uint32_t mOldNatType;
uint32_t mOldNatHole;
};
#endif // MRK_PQI_NET_MANAGER_HEADER