/**
 **	File ......... Piece.cpp
 **	Published ....  2005-06-14
 **	Author ....... grymse@alhem.net
**/
/*
Copyright (C) 2005  Anders Hedstrom

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#ifdef _WIN32
#pragma warning(disable:4786)
#endif
#include "Session.h"
#include "Piece.h"




Piece::Piece(size_t nr,size_t piece_length)
:m_nr(nr)
,m_piece_length(piece_length)
{
}


Piece::~Piece()
{
}


void Piece::Write(Session *sess,size_t offset, size_t length, unsigned char *ptr)
{
}


void Piece::ClearComplete()
{
	while (m_complete.size())
	{
		slice_m::iterator it = m_complete.begin();
		m_complete.erase(it);
	}
}


void Piece::ClearRequested()
{
	while (m_requested.size())
	{
		slice_m::iterator it = m_requested.begin();
		m_requested.erase(it);
	}
}


void Piece::save_slice_m(FILE *fil,slice_m& ref)
{
	size_t q = ref.size();
	fwrite(&q, sizeof(size_t), 1, fil);
	for (slice_m::iterator it = ref.begin(); it != ref.end(); it++)
	{
		size_t offset = (*it).first;
		size_t length = (*it).second;
		fwrite(&offset, sizeof(size_t), 1, fil);
		fwrite(&length, sizeof(size_t), 1, fil);
	}
}


void Piece::load_slice_m(FILE *fil,slice_m& ref)
{
	size_t q;
	fread(&q, sizeof(size_t), 1, fil);
	while (q--)
	{
		size_t offset, length;
		fread(&offset, sizeof(size_t), 1, fil);
		fread(&length, sizeof(size_t), 1, fil);
		ref[offset] = length;
	}
}