Method handleReadDataParameters

src/IECoreImage/DisplayDriverServer.cpp:529–574

}

void DisplayDriverServer::Session::handleReadDataParameters( const boost::system::error_code& error )
{
	if (error)
	{
		msg( Msg::Error, "DisplayDriverServer::Session::handleReadDataParameters", error.message().c_str() );
		m_socket.close();
		return;
	}

	// sanity check: check DisplayDriver object
	if (! m_displayDriver )
	{
		msg( Msg::Error, "DisplayDriverServer::Session::handleReadDataParameters", "No display drivers!" );
		m_socket.close();
		return;
	}

	try
	{
		/// \todo Swap byte order if the sending host has a different order to us.
		/// We used to send the data via MemoryIndexedIO which would take care of this
		/// for us, but the overhead of this significantly affected interactive render
		/// speeds.
		const Imath::Box2i box = *reinterpret_cast<const Imath::Box2i *>( &m_buffer->readable()[0] );
		const float *data = reinterpret_cast<const float *>( &m_buffer->readable()[0] + sizeof( box ) );
		const size_t dataSize = ( m_buffer->readable().size() - sizeof( box ) ) / sizeof( float );

		// call imageData passing the data
		m_displayDriver->imageData( box, data, dataSize );

		// prepare for getting more imageData packages or a imageClose.
		boost::asio::async_read( m_socket,
			boost::asio::buffer( m_header.buffer(), m_header.headerLength),
			boost::bind(
				&DisplayDriverServer::Session::handleReadHeader, SessionPtr(this),
				boost::asio::placeholders::error
			)
		);
	}
	catch( std::exception &e )
	{
		msg( Msg::Error, "DisplayDriverServer::Session::handleReadDataParameters", e.what() );
		m_socket.close();
		return;
	}
}

void DisplayDriverServer::Session::sendResult( DisplayDriverServerHeader::MessageType msg, size_t dataSize )
{