148 lines
4.9 KiB
C
148 lines
4.9 KiB
C
/******************************************************************************
|
|
* Copyright (c) 2005 Eric Petit
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*****************************************************************************/
|
|
|
|
#ifndef TR_UTILS_H
|
|
#define TR_UTILS_H 1
|
|
|
|
#define TR_MSG_ERR 1
|
|
#define TR_MSG_INF 2
|
|
#define TR_MSG_DBG 4
|
|
#define tr_err( a... ) tr_msg( TR_MSG_ERR, ## a )
|
|
#define tr_inf( a... ) tr_msg( TR_MSG_INF, ## a )
|
|
#define tr_dbg( a... ) tr_msg( TR_MSG_DBG, ## a )
|
|
void tr_msg ( int level, char * msg, ... );
|
|
|
|
int tr_rand ( int );
|
|
|
|
/***********************************************************************
|
|
* tr_date
|
|
***********************************************************************
|
|
* Returns the current date in milliseconds
|
|
**********************************************************************/
|
|
static inline uint64_t tr_date()
|
|
{
|
|
struct timeval tv;
|
|
gettimeofday( &tv, NULL );
|
|
return( (uint64_t) tv.tv_sec * 1000 + (uint64_t) tv.tv_usec / 1000 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* tr_wait
|
|
***********************************************************************
|
|
* Wait 'delay' milliseconds
|
|
**********************************************************************/
|
|
static inline void tr_wait( uint64_t delay )
|
|
{
|
|
#ifdef SYS_BEOS
|
|
snooze( 1000 * delay );
|
|
#else
|
|
usleep( 1000 * delay );
|
|
#endif
|
|
}
|
|
|
|
/***********************************************************************
|
|
* tr_bitfieldHas
|
|
**********************************************************************/
|
|
static inline int tr_bitfieldHas( uint8_t * bitfield, int piece )
|
|
{
|
|
return ( bitfield[ piece / 8 ] & ( 1 << ( 7 - ( piece % 8 ) ) ) );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* tr_bitfieldAdd
|
|
**********************************************************************/
|
|
static inline void tr_bitfieldAdd( uint8_t * bitfield, int piece )
|
|
{
|
|
bitfield[ piece / 8 ] |= ( 1 << ( 7 - ( piece % 8 ) ) );
|
|
}
|
|
|
|
#define tr_blockPiece(a) _tr_blockPiece(tor,a)
|
|
static inline int _tr_blockPiece( tr_torrent_t * tor, int block )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
return block / ( inf->pieceSize / tor->blockSize );
|
|
}
|
|
|
|
#define tr_blockSize(a) _tr_blockSize(tor,a)
|
|
static inline int _tr_blockSize( tr_torrent_t * tor, int block )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
int dummy;
|
|
|
|
if( block != tor->blockCount - 1 ||
|
|
!( dummy = inf->totalSize % tor->blockSize ) )
|
|
{
|
|
return tor->blockSize;
|
|
}
|
|
|
|
return dummy;
|
|
}
|
|
|
|
#define tr_blockPosInPiece(a) _tr_blockPosInPiece(tor,a)
|
|
static inline int _tr_blockPosInPiece( tr_torrent_t * tor, int block )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
return tor->blockSize *
|
|
( block % ( inf->pieceSize / tor->blockSize ) );
|
|
}
|
|
|
|
#define tr_pieceCountBlocks(a) _tr_pieceCountBlocks(tor,a)
|
|
static inline int _tr_pieceCountBlocks( tr_torrent_t * tor, int piece )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
if( piece < inf->pieceCount - 1 ||
|
|
!( tor->blockCount % ( inf->pieceSize / tor->blockSize ) ) )
|
|
{
|
|
return inf->pieceSize / tor->blockSize;
|
|
}
|
|
return tor->blockCount % ( inf->pieceSize / tor->blockSize );
|
|
}
|
|
|
|
#define tr_pieceStartBlock(a) _tr_pieceStartBlock(tor,a)
|
|
static inline int _tr_pieceStartBlock( tr_torrent_t * tor, int piece )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
return piece * ( inf->pieceSize / tor->blockSize );
|
|
}
|
|
|
|
#define tr_pieceSize(a) _tr_pieceSize(tor,a)
|
|
static inline int _tr_pieceSize( tr_torrent_t * tor, int piece )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
if( piece < inf->pieceCount - 1 ||
|
|
!( inf->totalSize % inf->pieceSize ) )
|
|
{
|
|
return inf->pieceSize;
|
|
}
|
|
return inf->totalSize % inf->pieceSize;
|
|
}
|
|
|
|
#define tr_block(a,b) _tr_block(tor,a,b)
|
|
static inline int _tr_block( tr_torrent_t * tor, int index, int begin )
|
|
{
|
|
tr_info_t * inf = &tor->info;
|
|
return index * ( inf->pieceSize / tor->blockSize ) +
|
|
begin / tor->blockSize;
|
|
}
|
|
|
|
#endif
|