static int
flushContiguous (tr_cache * cache, int pos, int n)
{
int i;
int err = 0;
uint8_t * buf = tr_new (uint8_t, n * MAX_BLOCK_SIZE);
uint8_t * walk = buf;
struct cache_block ** blocks = (struct cache_block**) tr_ptrArrayBase (&cache->blocks);
struct cache_block * b = blocks[pos];
tr_torrent * tor = b->tor;
const tr_piece_index_t piece = b->piece;
const uint32_t offset = b->offset;
for (i=pos; i<pos+n; ++i)
{
b = blocks[i];
evbuffer_copyout (b->evbuf, walk, b->length);
walk += b->length;
evbuffer_free (b->evbuf);
tr_free (b);
}
tr_ptrArrayErase (&cache->blocks, pos, pos+n);
err = tr_ioWrite (tor, piece, offset, walk-buf, buf);
tr_free (buf);
++cache->disk_writes;
cache->disk_write_bytes += walk-buf;
return err;
}
static int
flushContiguous( tr_cache * cache, int pos, int n )
{
int i;
int err = 0;
uint8_t * buf = tr_new( uint8_t, n * MAX_BLOCK_SIZE );
uint8_t * walk = buf;
struct cache_block ** blocks = (struct cache_block**) tr_ptrArrayBase( &cache->blocks );
struct cache_block * b = blocks[pos];
tr_torrent * tor = b->tor;
const tr_piece_index_t piece = b->piece;
const uint32_t offset = b->offset;
//fprintf( stderr, "flushing %d contiguous blocks [%d-%d) from cache to disk\n", n, pos, n+pos );
for( i=pos; i<pos+n; ++i ) {
b = blocks[i];
memcpy( walk, b->buf, b->length );
walk += b->length;
tr_free( b->buf );
tr_free( b );
}
tr_ptrArrayErase( &cache->blocks, pos, pos+n );
#if 0
tr_tordbg( tor, "Writing to disk piece %d, offset %d, len %d", (int)piece, (int)offset, (int)(walk-buf) );
tr_ndbg( MY_NAME, "Removing %d blocks from cache, rank: %d - %d left", n, rank, tr_ptrArraySize(&cache->blocks) );
fprintf( stderr, "%s - Writing to disk piece %d, offset %d, len %d\n", tr_torrentName(tor), (int)piece, (int)offset, (int)(walk-buf) );
fprintf( stderr, "%s - Removing %d blocks from cache; %d left\n", MY_NAME, n, tr_ptrArraySize(&cache->blocks) );
#endif
err = tr_ioWrite( tor, piece, offset, walk-buf, buf );
tr_free( buf );
++cache->disk_writes;
cache->disk_write_bytes += walk-buf;
return err;
}