RetroShare/libretroshare/src/dht/connectstatebox.h

#ifndef CONNECT_STATUS_BOX_H
#define CONNECT_STATUS_BOX_H

/*
 * libretroshare/src/dht: connectstatebox.h
 *
 * RetroShare DHT C++ Interface.
 *
 * Copyright 2011-2011 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".
 *
 */

/* a connect state box */

#define CSB_START		1
#define CSB_TCP_WAIT		2
#define CSB_DIRECT_ATTEMPT	3
#define CSB_DIRECT_WAIT 	4
#define CSB_PROXY_ATTEMPT	5
#define CSB_PROXY_WAIT		6
#define CSB_RELAY_ATTEMPT	7
#define CSB_RELAY_WAIT		8
#define CSB_REVERSE_WAIT	9
#define CSB_FAILED_WAIT		10
#define CSB_CONNECTED		11


#define CSB_NETSTATE_UNKNOWN		0
#define CSB_NETSTATE_FORWARD		1
#define CSB_NETSTATE_STABLENAT		2
#define CSB_NETSTATE_EXCLUSIVENAT	3
#define CSB_NETSTATE_FIREWALLED		4

#define CSB_CONNECT_DIRECT		1
#define CSB_CONNECT_UNREACHABLE		2

/* return values */
#define CSB_ACTION_MASK_MODE		0x00ff
#define CSB_ACTION_MASK_PORT		0xff00

#define CSB_ACTION_WAIT			0x0001
#define CSB_ACTION_TCP_CONN		0x0002
#define CSB_ACTION_DIRECT_CONN		0x0004
#define CSB_ACTION_PROXY_CONN		0x0008
#define CSB_ACTION_RELAY_CONN		0x0010

#define CSB_ACTION_DHT_PORT		0x0100
#define CSB_ACTION_PROXY_PORT		0x0200

/* update input */
#define	CSB_UPDATE_NONE			0x0000
#define	CSB_UPDATE_CONNECTED		0x0001
#define	CSB_UPDATE_DISCONNECTED		0x0002
#define	CSB_UPDATE_AUTH_DENIED		0x0003
#define	CSB_UPDATE_RETRY_ATTEMPT	0x0004
#define	CSB_UPDATE_FAILED_ATTEMPT	0x0005
#define	CSB_UPDATE_MODE_UNAVAILABLE	0x0006

#include <iosfwd>
#include <string>

#include <stdlib.h>
#include <time.h>
#include <inttypes.h>

class PeerConnectStateBox
{
	public:
	PeerConnectStateBox();

	uint32_t connectCb(uint32_t cbtype, uint32_t netmode, uint32_t nathole, uint32_t nattype);
	uint32_t updateCb(uint32_t updateType);

	bool shouldUseProxyPort(uint32_t netmode, uint32_t nathole, uint32_t nattype);

	uint32_t calcNetState(uint32_t netmode, uint32_t nathole, uint32_t nattype);
	std::string connectState() const;

	std::string mPeerId;

	bool storeProxyPortChoice(uint32_t flags, bool useProxyPort);
	bool getProxyPortChoice();
	
	private:

	uint32_t connectCb_direct();
	uint32_t connectCb_unreachable();

	void errorMsg(std::ostream &out, std::string msg, uint32_t updateParam);
	void stateMsg(std::ostream &out, std::string msg, uint32_t updateParam);


	uint32_t mState;
	uint32_t mNetState;
	time_t mStateTS;
	uint32_t mNoAttempts;
	uint32_t mNoFailedAttempts;
	time_t mNextAttemptTS;
	time_t mAttemptLength;

	// ProxyPort Storage.
	uint32_t mProxyPortFlags;
	bool     mProxyPortChoice;
	time_t   mProxyPortTS;
};


#endif