Info run(const string& path) {
// adapted from dcpp::HashManager
File f { path, File::READ, File::OPEN };
auto size = f.getSize();
f.close();
static const int64_t MIN_BLOCK_SIZE = 64 * 1024;
auto bs = std::max(TigerTree::calcBlockSize(size, 10), MIN_BLOCK_SIZE);
TigerTree tt { bs };
auto start = GET_TICK();
FileReader(true).read(path, [&](const void* buf, size_t n) -> bool {
tt.update(buf, n);
return true;
});
tt.finalize();
auto end = GET_TICK();
double speed = 0.0;
if(end > start) {
speed = static_cast<double>(size) * 1000.0 / static_cast<double>(end - start);
}
Info ret { tt.getRoot().toBase32(), end - start, speed };
return ret;
}
/*
* Generates UDP key for specified IP address
*/
CID Utils::getUdpKey(const string& targetIp)
{
CID myUdpKey = CID(SETTING(DHT_KEY));
TigerTree th;
th.update(myUdpKey.data(), sizeof(CID));
th.update(targetIp.c_str(), targetIp.size());
return CID(th.finalize());
}