/*!
** main this is the main fucntion of the progamm learn
**
** @param argc
** @param argv
**
** @return
*/
int main(int argc,
char **argv)
{
s_ppm *input = NULL;
if ((argc < 1) && !strcmp(argv[1], "--help"))
{
usage();
return (0);
}
if (argc < 4)
{
usage();
return (1);
}
if (!strcmp(argv[1], "--create"))
{
input = load_ppm(argv[2]);
create(input, argv[3]);
free_ppm(input);
}
if (!strcmp(argv[1], "--merge"))
opt_merge(argv);
if (!strcmp(argv[1], "--dir"))
learn_dir(argv[2], argv[3]);
return (0);
}
int simple_kv_service_impl::apply_learn_state(learn_state& state)
{
blob bb((const char*)state.meta[0].data(), 0, state.meta[0].length());
binary_reader reader(bb);
zauto_lock l(_lock);
_store.clear();
int magic;
reader.read(magic);
dassert(magic == 0xdeadbeef, "");
decree decree;
reader.read(decree);
dassert(decree >= 0, "");
uint64_t count;
reader.read(count);
for (uint64_t i = 0; i < count; i++)
{
std::string key, value;
reader.read(key);
reader.read(value);
_store[key] = value;
}
_last_committed_decree = decree;
_last_durable_decree = 0;
flush(true);
bool ret = true;
if (_test_file_learning)
{
dassert(state.files.size() == 1, "");
std::string fn = learn_dir() + "/" + state.files[0];
ret = boost::filesystem::exists(fn);
if (ret)
{
std::string s;
std::ifstream fin(fn.c_str());
getline(fin, s);
fin.close();
ret = (s == "DEADBEEF");
}
else
{
dassert(false, "learning file is missing");
}
}
if (ret) return 0;
else return ERR_LEARN_FILE_FALED.get();
}
