Splitting p3ConnectMgr into three parts:

* p3PeerMgr: handles configuration.
 * p3LinkMgr: handles connections to peers.
 * p3NetMgr: handles network state, and firewalls / dhts.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-netupgrade@4411 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/pqi/p3netmgr.h

@@ -0,0 +1,220 @@
+/*
+ * 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/p3cfgmgr.h"
+
+#include "pqi/p3peermgr.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_in mLocalAddr; // percieved ext addr.
+	struct sockaddr_in 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 p3NetMgr
+{
+	public:
+
+        p3NetMgr(p3PeerMgr *peerMgr);
+
+void 	tick();
+
+	/*************** Setup ***************************/
+void	addNetAssistConnect(uint32_t type, pqiNetAssistConnect *);
+void	addNetAssistFirewall(uint32_t type, pqiNetAssistFirewall *);
+
+void    addNetListener(pqiNetListener *listener);
+
+bool	checkNetAddress(); /* check our address is sensible */
+
+	/*************** External Control ****************/
+bool	shutdown(); /* blocking shutdown call */
+
+bool    getUPnPState();
+bool	getUPnPEnabled();
+bool	getDHTEnabled();
+bool    getDHTStats(uint32_t &netsize, uint32_t &localnetsize);
+
+bool  getIPServersEnabled();
+void  setIPServersEnabled(bool b) ;
+void  getIPServersList(std::list<std::string>& ip_servers) ;
+
+bool	getNetStatusLocalOk();
+bool	getNetStatusUpnpOk();
+bool	getNetStatusDhtOk();
+bool	getNetStatusStunOk();
+bool	getNetStatusExtraAddressCheckOk();
+
+bool 	getUpnpExtAddress(struct sockaddr_in &addr);
+bool 	getExtFinderAddress(struct sockaddr_in &addr);
+void 	getNetStatus(pqiNetStatus &status);
+
+void 	setOwnNetConfig(uint32_t netMode, uint32_t visState);
+bool 	setLocalAddress(struct sockaddr_in addr);
+bool 	setExtAddress(struct sockaddr_in addr);
+bool 	setNetworkMode(uint32_t netMode);
+bool 	setVisState(uint32_t visState);
+
+	/*************** External Control ****************/
+
+	/* access to network details (called through Monitor) */
+
+protected:
+	/****************** Internal Interface *******************/
+virtual bool enableNetAssistFirewall(bool on);
+virtual bool netAssistFirewallEnabled();
+virtual bool netAssistFirewallActive();
+virtual bool netAssistFirewallShutdown();
+
+virtual bool enableNetAssistConnect(bool on);
+virtual bool netAssistConnectEnabled();
+virtual bool netAssistConnectActive();
+virtual bool netAssistConnectShutdown();
+virtual bool netAssistConnectStats(uint32_t &netsize, uint32_t &localnetsize);
+
+
+/* Assist Firewall */
+bool netAssistExtAddress(struct sockaddr_in &extAddr);
+bool netAssistFirewallPorts(uint16_t iport, uint16_t eport);
+
+		/* Assist Connect */
+virtual bool netAssistFriend(std::string id, bool on);
+virtual bool netAssistSetAddress( struct sockaddr_in &laddr,
+                                        struct sockaddr_in &eaddr,
+					uint32_t mode);
+
+
+	/* 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();
+
+void 	networkConsistencyCheck();
+
+
+	protected:
+
+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; // Feedback about Network Addresses.
+
+	RsMutex mNetMtx; /* protects below */
+
+void 	netStatusReset_locked();
+
+	struct sockaddr_in mLocalAddr;
+	struct sockaddr_in mExtAddr;
+
+	uint32_t mNetMode;
+	uint32_t mVisState;
+
+	time_t   mNetInitTS;
+	uint32_t mNetStatus;
+
+	bool     mStatusChanged;
+
+	bool mUseExtAddrFinder;
+
+	/* network status flags (read by rsiface) */
+	pqiNetStatus mNetFlags;
+	pqiNetStatus mOldNetFlags;
+};
+
+#endif // MRK_PQI_NET_MANAGER_HEADER