thin-provisioning-tools/unit-tests/test_utils.cc

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#include "test_utils.h"
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#include "persistent-data/space-maps/core.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
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using namespace persistent_data;
using namespace std;
using namespace test;
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//----------------------------------------------------------------
void test::zero_block(block_manager::ptr bm, block_address b)
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{
block_manager::write_ref wr = bm->write_lock(b);
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memset(wr.data(), 0, 4096);
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}
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transaction_manager::ptr
test::open_temporary_tm(block_manager::ptr bm)
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{
space_map::ptr sm{create_core_map(bm->get_nr_blocks())};
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transaction_manager::ptr tm(new transaction_manager(bm, sm));
return tm;
}
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//----------------------------------------------------------------
temp_file::temp_file(string const &name_base, unsigned meg_size)
: path_(gen_path(name_base))
{
int fd = ::open(path_.c_str(), O_CREAT | O_RDWR, 0666);
if (fd < 0)
throw runtime_error("couldn't open file");
if (::fallocate(fd, 0, 0, 1024 * 1024 * meg_size))
throw runtime_error("couldn't fallocate");
::close(fd);
}
temp_file::~temp_file()
{
// ::unlink(path_.c_str());
}
string const &
temp_file::get_path() const
{
return path_;
}
string
temp_file::gen_path(string const &base)
{
return string("./") + base + string(".tmp");
}
//----------------------------------------------------------------