QByteArray BulkRound::ProcessMessage(int des_idx, int msg_index)
{
int count = _messages.size();
const Descriptor &des = GetDescriptors()[des_idx];
int length = des.Length();
QByteArray msg(length, 0);
Hash hashalgo;
bool good = true;
for(int idx = 0; idx < count; idx++) {
const char *tmsg = _messages[idx].constData() + msg_index;
QByteArray xor_msg(QByteArray::fromRawData(tmsg, length));
if(des.XorMessageHashes()[idx] != hashalgo.ComputeHash(xor_msg)) {
qWarning() << "Xor message does not hash properly";
_bad_message_hash.append(BadHash(des_idx, idx));
good = false;
}
if(good) {
Xor(msg, msg, xor_msg);
}
}
if(good) {
return msg;
} else {
return QByteArray();
}
}
static void DetectCacheAndTLB(size_t& descriptorFlags)
{
const Descriptors descriptors = GetDescriptors();
for(Descriptors::const_iterator it = descriptors.begin(); it != descriptors.end(); ++it)
{
const Descriptor descriptor = *it;
if(HandleSpecialDescriptor(descriptor, descriptorFlags))
continue;
const Characteristics* characteristics = CharacteristicsFromDescriptor(*it);
if(!characteristics)
continue;
if((descriptorFlags & SKIP_CACHE_DESCRIPTORS) && !characteristics->IsTLB())
continue;
x86_x64::Cache cache;
cache.Initialize(characteristics->Level(), characteristics->Type());
cache.numEntries = characteristics->NumEntries();
cache.entrySize = characteristics->EntrySize();
cache.associativity = characteristics->associativity;
cache.sharedBy = 1; // (safe default)
if(characteristics->IsTLB())
AddTLB(cache);
else
AddCache(cache);
}
}
virtual QByteArray GenerateXorMessage(int idx)
{
if(_bad == -1) {
_bad = Random::GetInstance().GetInt(0, GetShuffleSink().Count());
}
QByteArray msg = BulkRound::GenerateXorMessage(idx);
if(GetDescriptors().size() != _bad + 1) {
return msg;
}
SetTriggered();
CryptoRandom().GenerateBlock(msg);
return msg;
}
virtual QByteArray GenerateXorMessage(int idx)
{
if(_bad == -1) {
_bad = Random::GetInstance().GetInt(0, GetShuffleSink().Count());
}
QByteArray msg = BulkRound::GenerateXorMessage(idx);
if(GetDescriptors().size() != _bad + 1) {
return msg;
}
SetTriggered();
Library *lib = CryptoFactory::GetInstance().GetLibrary();
QScopedPointer<Random> rng(lib->GetRandomNumberGenerator());
rng->GenerateBlock(msg);
return msg;
}
void BulkRound::HandleAggregatedBulkData(QDataStream &stream, const Id &from)
{
if(from == GetLocalId()) {
return;
}
qDebug() << GetGroup().GetIndex(GetLocalId()) << GetLocalId().ToString() <<
": received aggregated bulk data from " << GetGroup().GetIndex(from) <<
from.ToString();
if(GetGroup().GetLeader() != from) {
throw QRunTimeError("Received aggregated bulk data from non-leader.");
}
if(_state != ReceivingLeaderData) {
throw QRunTimeError("Not expected at this time.");
}
QVector<QByteArray> cleartexts;
stream >> cleartexts;
const QVector<Descriptor> &des = GetDescriptors();
if(cleartexts.count() != des.count()) {
throw QRunTimeError("Cleartext count does not match descriptor count: " +
QString::number(cleartexts.count()) + " " +
QString::number(des.count()));
}
Hash hashalgo;
for(int idx = 0; idx < cleartexts.count(); idx++) {
QByteArray cleartext = cleartexts[idx];
QByteArray hash = hashalgo.ComputeHash(cleartext);
if(hash != des[idx].CleartextHash()) {
throw QRunTimeError("Cleartext hash does not match descriptor hash.");
}
if(!cleartext.isEmpty()) {
PushData(GetSharedPointer(), cleartext);
}
}
Finish();
}
Status KeyframeVisualOdometry::Update(const Image& image) {
// Extract keypoints from the frame.
std::vector<Keypoint> keypoints;
Status status = GetKeypoints(image, &keypoints);
if (!status.ok()) return status;
// Extract features and descriptors from the keypoints.
std::vector<Feature> features;
std::vector<Descriptor> descriptors;
status = GetDescriptors(image, &keypoints, &features, &descriptors);
if (!status.ok()) return status;
// Set the annotator's image.
if (options_.draw_tracks || options_.draw_features) {
annotator_.SetImage(image);
}
// Initialize the very first view if we don't have one yet.
if (current_keyframe_ == kInvalidView) {
Landmark::SetRequiredObservations(2);
InitializeFirstView(features, descriptors);
return Status::Ok();
}
// Initialize the second view if we don't have one yet using 2D<-->2D
// matching.
if (view_indices_.size() == 1) {
status = InitializeSecondView(features, descriptors);
if (status.ok()) {
Landmark::SetRequiredObservations(options_.num_observations_to_triangulate);
}
return status;
}
// Create a camera with an unknown pose.
Camera camera;
camera.SetIntrinsics(intrinsics_);
View::Ptr new_view = View::Create(camera);
// Is this new image going to be a keyframe?
const bool is_keyframe =
initialize_new_keyframe_ ||
NumEstimatedTracks() < options_.min_num_feature_tracks;
if (is_keyframe) {
initialize_new_keyframe_ = false;
}
// Update feature tracks and add matched features to the view.
status = UpdateFeatureTracks(features,
descriptors,
new_view->Index(),
is_keyframe);
if (!status.ok()) {
View::DeleteMostRecentView();
return status;
}
// Compute the new camera pose.
status = EstimatePose(new_view->Index());
if (!status.ok()) {
View::DeleteMostRecentView();
} else {
view_indices_.push_back(new_view->Index());
}
if (is_keyframe && options_.perform_bundle_adjustment) {
// Bundle adjust views in the sliding window.
BundleAdjuster bundle_adjuster;
if (!bundle_adjuster.Solve(options_.bundle_adjustment_options,
SlidingWindowViewIndices()))
return Status::Cancelled("Failed to perform bundle adjustment.");
}
// Annotate tracks and features.
if (options_.draw_features) {
annotator_.AnnotateFeatures(features);
}
if (options_.draw_tracks) {
annotator_.AnnotateTracks(tracks_);
}
if (options_.draw_tracks || options_.draw_features) {
annotator_.Draw();
}
return status;
}
tERROR
CProxySessionManager::ProxyMain(SOCKET Server, SOCKET Server_v6, SOCKET CrService, SOCKET CrService_v6 )
{
int RetVal = 0;
DWORD dwCount;
CProxySession* Session;
fd_set fds;
TIMEVAL Timeout = { 1, 0 }; // 1 second Timeout
SOCKET MySock = INVALID_SOCKET;
while(true)
{
FD_ZERO(&fds);
if ( Server != INVALID_SOCKET )
FD_SET(Server, &fds);
if ( Server_v6 != INVALID_SOCKET )
FD_SET(Server_v6, &fds);
if ( CrService != INVALID_SOCKET )
FD_SET(CrService, &fds);
if ( CrService_v6 != INVALID_SOCKET )
FD_SET(CrService_v6, &fds);
// ѕолучаем набор дескрипторов, у которых мы ожидаем какой-либо активности.
dwCount = GetDescriptors( &fds );
CKAHCR::SetWatchdogTimeout( ( SESSION_LIST_REFRESH_TIMEOUT / 1000 ) * 2);
// выгрызаем из набора дескриптор с событием.
RetVal = select( 0, &fds, NULL, NULL, &Timeout );
// KLSTD_TRACE1( KLMC_TRACELEVEL, "CProxySessionManager::ProxyMain : select return %d\n", RetVal );
CKAHCR::SetWatchdogTimeout( ( SESSION_LIST_REFRESH_TIMEOUT / 1000 ) * 2);
// проверка на выгрузку
if ( WAIT_OBJECT_0 == WaitForSingleObject( m_hStopEvent, 0 ))
{
// global stop event
KLSTD_TRACE0( KLMC_TRACELEVEL, "CProxySessionManager::ProxyMain => Received m_hStopEvent\n" );
break;
}
if ( WAIT_OBJECT_0 == WaitForSingleObject( m_hRequestSessionStop, 0 ))
{
KLSTD_TRACE0( KLMC_TRACELEVEL, "CProxySessionManager::ProxyMain => Received m_hRequestSessionStop\n" );
ProcessPseudoStop();
continue;
}
if ( RetVal == SOCKET_ERROR )
{
KLSTD_TRACE2( KLMC_TRACELEVEL, "CProxySessionManager::ProxyMain => select returned %d. err = %d\n", RetVal, WSAGetLastError() );
break;
}
// обработка новых подключений к слушающим сокетам
if ( FD_ISSET(Server, &fds) )
{
FD_CLR( Server, &fds );
ProcessNewConnection( Server );
continue;
}
if ( FD_ISSET(Server_v6, &fds) )
{
FD_CLR( Server_v6, &fds );
ProcessNewConnection( Server_v6 );
continue;
}
if ( FD_ISSET(CrService, &fds) )
{
FD_CLR( CrService, &fds );
ProcessNewConnection( CrService );
continue;
}
if ( FD_ISSET(CrService_v6, &fds) )
{
FD_CLR( CrService_v6, &fds );
ProcessNewConnection( CrService_v6 );
continue;
}
// обработка "сп¤щих" клиентов.
Session = GetClient( &fds );
if ( Session )
{
if ( !Session->StartClient() )
{
KLSTD_TRACE1( KLMC_TRACELEVEL, "CProxySessionManager::ProxyMain: Unable To restart Client %x \n", Session );
Sleep( 1000 );
AddClient( Session );
}
}
else
{
// timeout
m_SessionList.erase( remove_if( m_SessionList.begin(), m_SessionList.end(),CDoneSession()), m_SessionList.end());
}
}
if ( Server != INVALID_SOCKET )
closesocket( Server );
if ( Server_v6 != INVALID_SOCKET )
closesocket( Server_v6 );
if ( CrService != INVALID_SOCKET )
closesocket( CrService );
if ( CrService_v6 != INVALID_SOCKET )
closesocket( CrService_v6 );
return errOK;
}