void ProfilerCommunication::RequestInformation(BR buildRequest, PR processResults, DWORD dwTimeout, tstring message)
{
try {
buildRequest();
DWORD dwSignal = m_eventProfilerRequestsInformation.SignalAndWait(m_eventInformationReadyForProfiler, dwTimeout);
if (WAIT_OBJECT_0 != dwSignal) throw CommunicationException(dwSignal);
m_eventInformationReadyForProfiler.Reset();
BOOL hasMore = FALSE;
do
{
hasMore = processResults();
if (hasMore)
{
dwSignal = m_eventInformationReadByProfiler.SignalAndWait(m_eventInformationReadyForProfiler, COMM_WAIT_SHORT);
if (WAIT_OBJECT_0 != dwSignal) throw CommunicationException(dwSignal);
m_eventInformationReadyForProfiler.Reset();
}
}while (hasMore);
m_eventInformationReadByProfiler.Set();
} catch (CommunicationException ex) {
RELTRACE(_T("ProfilerCommunication::RequestInformation(...) => Communication (Chat channel - %s) with host has failed (0x%x)"),
message.c_str(), ex.getReason());
hostCommunicationActive = false;
}
}
bool DEProtoProxy::receiveFromServer(DEPacket& pkt)
{
long pktSize = 0;
// Get Packet size.
if (!this->server->receive((void*)&pktSize, sizeof(unsigned long), this->paramTimeout))
{
BOOST_THROW_EXCEPTION(CommunicationException() << errorMessage("Unable to receive message size from server.\n"));
}
else {
this->recvBufferNew.resizeIfNeeded(pktSize);
}
if (!this->server->receive((void*)this->recvBufferNew.getBufferPtr(), pktSize, this->paramTimeout * 2))
{
BOOST_THROW_EXCEPTION(CommunicationException() << errorMessage("Unable to receive message from server.\n"));
}
if (!pkt.ParseFromArray(this->recvBufferNew.getBufferPtr(), pktSize))
{
BOOST_THROW_EXCEPTION(CommunicationException() << errorMessage("Unable to parse message on receipt from server.\n"));
}
return true;
}
bool DEProtoProxy::get_Image(void* image, unsigned int length)
{
boost::lock_guard<boost::mutex>(*this->server->getTransactionMutex());
DEPacket pkt, dataHeader;
pkt.set_type(DEPacket::P_COMMAND);
SingleCommand* cmd = pkt.add_command();
cmd->set_command_id(k_GetImage);
this->sendCommand(pkt);
this->receiveFromServer(dataHeader);
if (dataHeader.type() != DEPacket::P_DATA_HEADER ||
!dataHeader.has_data_header())
BOOST_THROW_EXCEPTION(ProtocolException() << errorMessage("Did not receive expected data header for image."));
this->imgBuffer.resizeIfNeeded(static_cast<std::size_t>(dataHeader.data_header().bytesize()));
if (!this->server->receive(this->imgBuffer.getBufferPtr(), static_cast<std::size_t>(dataHeader.data_header().bytesize()), this->imageTimeout))
{
BOOST_THROW_EXCEPTION(CommunicationException() << errorMessage("Unable to receive image from server."));
}
if (dataHeader.data_header().bytesize() != length)
{
BOOST_THROW_EXCEPTION(CommandException() << errorMessage ("Image received did not have the expected size"));
}
memcpy(image, this->imgBuffer.getBufferPtr(), length);
return true;
}
/********************************************************************************
* Functions
*/
INetworkAccessProvider* CommunicationService::provider() {
instance();
if (_instance->_provider == 0) {
throw CommunicationException("No provider defined.");
}
return _instance->_provider;
}
void VsftpdConfigHandler::restart() const
{
int exitStatus = ServiceManager::restart(m_serviceName);
if (exitStatus == 1) {
std::string err("The process crashed.");
throw CommunicationException(err.c_str());
}
}
void Provider::bindObjectToName(const char* name, CORBA::Object_ptr objectRef) {
try {
CosNaming::Name objectName;
objectName.length(2);
objectName[0].id = CONTEXT_NAME_ID;
objectName[0].kind = CONTEXT_NAME_KIND;
objectName[1].id = name;
objectName[1].kind = CONTEXT_OBJECT_KIND;
try {
this->_naming->bind(objectName, objectRef);
} catch(CosNaming::NamingContext::AlreadyBound& ex) {
this->_naming->rebind(objectName, objectRef);
}
} catch(CORBA::TRANSIENT &) {
throw CommunicationException("The naming service could not be found, make sure it is correctly started.");
} catch(CORBA::SystemException & e) {
throw CommunicationException(QString("Receive a corba system error: ") + e._name());
}
}
IServerConfigurationProvider* Provider::getServiceClient(const QString& name) {
if (CORBA::is_nil(this->_naming)) {
throw CommunicationException("Naming service is not properly started, cannot locate provider");
}
try {
CosNaming::Name cname;
cname.length(2);
cname[0].id = CONTEXT_NAME_ID;
cname[0].kind = CONTEXT_NAME_KIND;
cname[1].id = name.toStdString().c_str();
cname[1].kind = CONTEXT_OBJECT_KIND;
return new ServiceClientAdapter(ServerConfigHandler::_narrow(this->_naming->resolve(cname)));
} catch (const CORBA::COMM_FAILURE& e) {
throw CommunicationException("Cannot communicate with the naming service, make sure it is still alive.");
} catch (...) {
throw CommunicationException("An unknown error occurred, unable to retrieve the requested service.");
}
return 0;
}
void Provider::registerServiceProvider(const QString& name, IServerConfigurationProvider* provider) {
if (CORBA::is_nil(this->_naming)) {
throw CommunicationException("Naming service is not properly started, cannot register provider");
}
try {
ServiceAdapter* handler = new ServiceAdapter(provider);
_handlers[provider->getServerName()] = handler;
this->_poa->activate_object(handler);
this->bindObjectToName(name.toStdString().c_str(), handler->_this());
handler->_remove_ref();
this->_poa->the_POAManager()->activate();
} catch(const CORBA::SystemException& e) {
throw CommunicationException(QString("Receive a corba system error: ") + e._name());
} catch(const CORBA::Exception& e) {
throw CommunicationException(QString("Receive a corba error: ") + e._name());
} catch(const omniORB::fatalException& e) {
throw CommunicationException(QString("Receive an omniORB fatal error: ") + e.errmsg());
}
}
void ProfilerCommunication::SendVisitPoints()
{
if (!hostCommunicationActive) return;
try {
DWORD dwSignal = m_eventProfilerHasResults.SignalAndWait(m_eventResultsHaveBeenReceived, COMM_WAIT_SHORT);
if (WAIT_OBJECT_0 != dwSignal) throw CommunicationException(dwSignal);
m_eventResultsHaveBeenReceived.Reset();
} catch (CommunicationException ex) {
RELTRACE(_T("ProfilerCommunication::SendVisitPoints() => Communication (Results channel) with host has failed (0x%x)"), ex.getReason());
hostCommunicationActive = false;
}
return;
}
void CommunicationService::configure(INetworkAccessProvider::MODE::mode mode, const QMap<QString, QString>& options) {
instance();
if (_instance->_provider == 0) {
throw CommunicationException("No provider defined.");
}
// Register custom type into QMetaType system
qRegisterMetaTypeStreamOperators<int>("IServerConfigurationProvider_INTERNET_PROTOCOL");
qRegisterMetaTypeStreamOperators<int>("IServerConfigurationProvider_VIRTUAL_USER_AUTHENTICATION");
// Configure provider
try {
_instance->_provider->configure(mode, options);
} catch (const CommunicationException& e) {
qCritical() << "Error while configuring the network provider: " << e.message();
}
}
void VsftpdConfigHandler::importConfiguration(const QString & configuration)
{
QFile file(m_parser.filename());
if (!file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
std::string err("Unable to access configuration file.");
std::cerr << err << std::endl;
throw CommunicationException(err.c_str());
}
QTextStream out(&file);
out << configuration;
file.close();
}
QString VsftpdConfigHandler::exportConfiguration() const
{
QFile file(m_parser.filename());
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
std::string err("Unable to access configuration file.");
std::cerr << err << std::endl;
throw CommunicationException(err.c_str());
}
QTextStream in(&file);
QString data = in.readAll();
file.close();
return data;
}
bool DEProtoProxy::sendToServer(DEPacket& pkt)
{
int sz = sizeof(unsigned long);
pkt.set_camera_name(this->_cameraName);
int pktSize = pkt.ByteSize();
this->sendBufferNew.resetOffset();
this->sendBufferNew.add(pktSize);
this->sendBufferNew.add(pkt);
if (!this->server->send(this->sendBufferNew.getBufferPtr(), pktSize + sz, 5))
{
BOOST_THROW_EXCEPTION(CommunicationException() << errorMessage("Unable to send message to server")
<< boost::errinfo_file_name(__FILE__)
<< boost::errinfo_at_line(__LINE__)
<<errorPacket(pkt));
}
return true;
}
void Provider::configure(MODE::mode mode, const QMap<QString, QString>& options) {
qDebug() << "Configuring CORBA Provider...";
// Provider...
try {
char* args[] = { 0 };
int argc = 0;
// const char* opts[options.size() + 1][2];
// opts[options.size()][0] = 0;
// opts[options.size()][1] = 0;
// int i = 0;
// for (QMap<QString, QString>::const_iterator it = options.begin(); it != options.end(); i++, it++) {
// opts[i][0] = strdup(it.key().toStdString().c_str());
// opts[i][1] = strdup(it.value().toStdString().c_str());
// }
const char* opts[2][2];
if (options.contains("InitRef")) {
opts[0][0] = strdup("InitRef");
opts[0][1] = strdup(options["InitRef"].toStdString().c_str());
}
else {
opts[0][0] = 0;
opts[0][1] = 0;
}
opts[1][0] = 0;
opts[1][1] = 0;
this->_orb = CORBA::ORB_init(argc, args, "omniORB4", opts);
if (mode == INetworkAccessProvider::MODE::SERVER) {
this->_poa = PortableServer::POA::_narrow(this->_orb->resolve_initial_references("RootPOA"));
if (CORBA::is_nil(this->_poa)) {
throw CommunicationException("Failed to narrow the root POA.");
}
}
this->_naming = CosNaming::NamingContext::_narrow(this->_orb->resolve_initial_references("NameService"));
if (CORBA::is_nil(this->_naming)) {
throw CommunicationException("Failed to narrow the root naming context.");
}
if (mode == INetworkAccessProvider::MODE::SERVER) {
CosNaming::Name contextName;
contextName.length(1);
contextName[0].id = CONTEXT_NAME_ID;
contextName[0].kind = CONTEXT_NAME_KIND;
try {
this->_naming->bind_new_context(contextName);
} catch(CosNaming::NamingContext::AlreadyBound& ex) {
//std::cerr << "Server context already exists, trying to narrow existing context." << std::endl;
if (CORBA::is_nil(CosNaming::NamingContext::_narrow(this->_naming->resolve(contextName)))) {
throw CommunicationException("Failed to narrow naming context.");
}
}
}
// For details on CORBA Exception:
// http://techpubs.borland.com/am/bes/v6/en/updates/except_cpp.html
} catch (const CORBA::NO_RESOURCES& e) {
throw CommunicationException("No resources found, please verify the configuration of omniORB.");
} catch (const CORBA::ORB::InvalidName& e) {
throw CommunicationException("Service required is invalid or does not exist.");
} catch(const CORBA::TRANSIENT& e) {
throw CommunicationException("The naming service could not be found, make sure it is correctly started.");
} catch(CORBA::SystemException & e) {
throw CommunicationException(QString("Receive a CORBA system error: ") + e._name());
} catch(const CORBA::Exception& e) {
std::string err();
throw CommunicationException(QString("Receive a CORBA error: ") + e._name());
} catch(const omniORB::fatalException& e) {
std::string err();
throw CommunicationException(QString("Receive an omniORB fatal error: ") + e.errmsg());
} catch (const CommunicationException& e) {
throw e;
} catch (...) {
throw CommunicationException("An unknown error occurred while configuring the network layer.");
}
qDebug() << "Configuration of CORBA Provider done, ready.";
}
