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;
}
void PacketCreator::addSingleCommand(DEPacket& message, type cmdVal)
{
message.set_type(DEPacket::P_COMMAND);
SingleCommand* cmd = message.add_command();
cmd->set_command_id(cmdVal);
vector<Param>::iterator it;
for (it = this->_params.begin(); it != this->_params.end(); it++)
{
AnyParameter* param = cmd->add_parameter();
this->setAnyParameter(param, *it);
}
if (!this->_persistent) this->clear();
}
