RetroShare/libretroshare/src/pqi/pqibin.h
2009-12-14 18:11:19 +00:00

167 lines
3.8 KiB
C++

/*
* "$Id: pqibin.h,v 1.2 2007-02-18 21:46:49 rmf24 Exp $"
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2004-2006 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 PQI_BIN_INTERFACE_HEADER
#define PQI_BIN_INTERFACE_HEADER
#include "pqi/pqi_base.h"
#include "pqi/pqihash.h"
#include <stdio.h>
class BinFileInterface: public BinInterface
{
public:
BinFileInterface(const char *fname, int flags);
virtual ~BinFileInterface();
virtual int tick() { return 1; }
virtual int senddata(void *data, int len);
virtual int readdata(void *data, int len);
virtual int netstatus() { return 1;}
virtual int isactive() { return (buf != NULL);}
virtual bool moretoread()
{
if ((buf) && (bin_flags | BIN_FLAGS_READABLE))
{
if ((size - ftell(buf)) > 0)
{
return true;
}
}
return false;
}
virtual int close();
virtual bool cansend() { return (bin_flags | BIN_FLAGS_WRITEABLE); }
virtual bool bandwidthLimited() { return false; }
/* if HASHing is switched on */
virtual std::string gethash();
virtual uint64_t bytecount();
private:
int bin_flags;
FILE *buf;
int size;
pqihash *hash;
uint64_t bcount;
};
class BinMemInterface: public BinInterface
{
public:
BinMemInterface(int defsize, int flags);
BinMemInterface(const void *data, const int size, int flags);
virtual ~BinMemInterface();
/* Extra Interfaces */
int fseek(int loc);
int memsize() { return recvsize; }
void *memptr() { return buf; }
/* file interface */
bool writetofile(const char *fname);
bool readfromfile(const char *fname);
virtual int tick() { return 1; }
virtual int senddata(void *data, int len);
virtual int readdata(void *data, int len);
virtual int netstatus() { return 1; }
virtual int isactive() { return 1; }
virtual bool moretoread()
{
if ((buf) && (bin_flags | BIN_FLAGS_READABLE ))
{
if (readloc < recvsize)
{
return true;
}
}
return false;
}
virtual int close();
virtual bool cansend() { return (bin_flags | BIN_FLAGS_WRITEABLE); }
virtual bool bandwidthLimited() { return false; }
virtual std::string gethash();
virtual uint64_t bytecount();
private:
int bin_flags;
void *buf;
int size;
int recvsize;
int readloc;
pqihash *hash;
uint64_t bcount;
};
class NetBinDummy: public NetBinInterface
{
public:
NetBinDummy(PQInterface *parent, std::string id, uint32_t t);
virtual ~NetBinDummy() { return; }
// Net Interface
virtual int connect(struct sockaddr_in raddr);
virtual int listen();
virtual int stoplistening();
virtual int disconnect();
virtual int reset();
virtual bool connect_parameter(uint32_t type, uint32_t value) { return false; }
virtual int getConnectAddress(struct sockaddr_in &raddr) {return 0;}
// Bin Interface.
virtual int tick();
virtual int senddata(void *data, int len);
virtual int readdata(void *data, int len);
virtual int netstatus();
virtual int isactive();
virtual bool moretoread();
virtual bool cansend();
virtual int close();
virtual std::string gethash();
private:
uint32_t type;
bool dummyConnected;
bool toConnect;
uint32_t connectDelta;
time_t connectTS;
};
#endif // PQI_BINARY_INTERFACES_HEADER