const std::string &lookup_result_t::path() const
{
if (!m_path) {
std::string p;
struct dnet_file_info *info = m_entry.file_info();
if (m_eblob_style_path) {
p = m_entry.file_path();
p = p.substr(p.find_last_of("/\\") + 1);
std::ostringstream oss;
oss << '/' << (port() - m_base_port) << '/'
<< p << ':' << info->offset
<< ':' << info->size;
m_path.reset(oss.str());
} else {
char id[2 * DNET_ID_SIZE + 1];
char hex_dir[2 * DNET_ID_SIZE + 1];
dnet_dump_id_len_raw(m_entry.command()->id.id, DNET_ID_SIZE, id);
file_backend_get_dir(m_entry.command()->id.id, m_directory_bit_num, hex_dir);
std::ostringstream oss;
oss << '/' << boost::lexical_cast<std::string>(port() - m_base_port) << '/' << hex_dir << '/' << id;
m_path.reset(oss.str());
}
}
return *m_path;
}
static inline void file_backend_setup_file(struct file_backend_root *r, char *file,
unsigned int size, const unsigned char *id)
{
char dir[2*DNET_ID_SIZE+1];
char id_str[2*DNET_ID_SIZE+1];
file_backend_get_dir(id, r->bit_num, dir);
snprintf(file, size, "%s/%s", dir, dnet_dump_id_len_raw(id, DNET_ID_SIZE, id_str));
}
static inline uint64_t file_backend_get_dir_bits(const unsigned char *id, int bit_num)
{
#if 0
uint64_t res = *(uint64_t *)id;
bit_num = 64 - bit_num;
res <<= bit_num;
res >>= bit_num;
return res;
#else
char sub[DNET_ID_SIZE*2+1];
char *res = file_backend_get_dir(id, bit_num, sub);
char hex[DNET_ID_SIZE*2 + 1 + 2];
snprintf(hex, sizeof(hex), "0x%s", res);
return strtoull(hex, NULL, 16);
#endif
}
