int main()
{
STXXL_MSG(sizeof(MyType) << " " << (BLOCK_SIZE % sizeof(MyType)));
STXXL_MSG(sizeof(block_type) << " " << BLOCK_SIZE);
const unsigned nblocks = 2;
stxxl::BIDArray<BLOCK_SIZE> bids(nblocks);
std::vector<int> disks(nblocks, 2);
stxxl::request_ptr* reqs = new stxxl::request_ptr[nblocks];
stxxl::block_manager* bm = stxxl::block_manager::get_instance();
bm->new_blocks(stxxl::striping(), bids.begin(), bids.end());
block_type* block = new block_type[2];
STXXL_MSG(std::hex);
STXXL_MSG("Allocated block address : " << (stxxl::unsigned_type)(block));
STXXL_MSG("Allocated block address + 1: " << (stxxl::unsigned_type)(block + 1));
STXXL_MSG(std::dec);
unsigned i = 0;
for (i = 0; i < block_type::size; ++i)
{
block->elem[i].integer = i;
//memcpy (block->elem[i].chars, "STXXL", 4);
}
for (i = 0; i < nblocks; ++i)
reqs[i] = block->write(bids[i], my_handler());
std::cout << "Waiting " << std::endl;
stxxl::wait_all(reqs, nblocks);
for (i = 0; i < nblocks; ++i)
{
reqs[i] = block->read(bids[i], my_handler());
reqs[i]->wait();
for (int j = 0; j < block_type::size; ++j)
{
STXXL_CHECK2(j == block->elem[j].integer,
"Error in block " << std::hex << i << " pos: " << j
<< " value read: " << block->elem[j].integer);
}
}
bm->delete_blocks(bids.begin(), bids.end());
delete[] reqs;
delete[] block;
#if 0
// variable-size blocks, not supported currently
BIDArray<0> vbids(nblocks);
for (i = 0; i < nblocks; i++)
vbids[i].size = 1024 + i;
bm->new_blocks(striping(), vbids.begin(), vbids.end());
for (i = 0; i < nblocks; i++)
STXXL_MSG("Allocated block: offset=" << vbids[i].offset << ", size=" << vbids[i].size);
bm->delete_blocks(vbids.begin(), vbids.end());
#endif
}
char *
gfs_client_rep_transfer_state_alloc(file_offset_t file_size,
int algorithm_version,
int ndivisions, int interleave_factor,
struct gfs_client_rep_transfer_state ***transfersp)
{
int i;
struct gfs_client_rep_transfer_state **transfers;
if (algorithm_version != GFS_CLIENT_REP_ALGORITHM_LATEST)
return ("unknown gfrep algorithm");
transfers = malloc(sizeof(*transfers) * ndivisions);
if (transfers == NULL)
return (GFARM_ERR_NO_MEMORY);
for (i = 0; i < ndivisions; i++) {
transfers[i] = malloc(sizeof(*transfers[i]));
if (transfers[i] == NULL) {
while (--i >= 0)
free(transfers[i]);
free(transfers);
return (GFARM_ERR_NO_MEMORY);
}
}
if (interleave_factor == 0) {
simple_division(file_size, ndivisions, transfers);
} else {
striping(file_size, ndivisions, interleave_factor, transfers);
}
*transfersp = transfers;
return (NULL);
}