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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSocketController.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkSocketController.h"
#include "vtkObjectFactory.h"
#include "vtkProcessGroup.h"
#include "vtkSocketCommunicator.h"
#if defined(_WIN32) && !defined(__CYGWIN__)
# define VTK_WINDOWS_FULL
# include "vtkWindows.h"
# define WSA_VERSION MAKEWORD(1,1)
#endif
int vtkSocketController::Initialized = 0;
vtkStandardNewMacro(vtkSocketController);
//----------------------------------------------------------------------------
vtkSocketController::vtkSocketController()
{
this->Communicator = vtkSocketCommunicator::New();
this->RMICommunicator = this->Communicator;
}
//----------------------------------------------------------------------------
vtkSocketController::~vtkSocketController()
{
this->Communicator->Delete();
this->Communicator = this->RMICommunicator = 0;
}
//----------------------------------------------------------------------------
void vtkSocketController::Initialize(int* , char***)
{
if (vtkSocketController::Initialized)
{
vtkWarningMacro("Already initialized.");
return;
}
#if defined(_WIN32) && !defined(__CYGWIN__)
WSAData wsaData;
if (WSAStartup(WSA_VERSION, &wsaData))
{
vtkErrorMacro("Could not initialize sockets !");
}
#endif
vtkSocketController::Initialized = 1;
}
//----------------------------------------------------------------------------
void vtkSocketController::SetCommunicator(vtkSocketCommunicator* comm)
{
if (comm == this->Communicator)
{
return;
}
if (this->Communicator)
{
this->Communicator->UnRegister(this);
}
this->Communicator = comm;
this->RMICommunicator = comm;
if (comm)
{
comm->Register(this);
}
}
//----------------------------------------------------------------------------
void vtkSocketController::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
//----------------------------------------------------------------------------
int vtkSocketController::WaitForConnection(int port)
{
return vtkSocketCommunicator::SafeDownCast(this->Communicator)->
WaitForConnection(port);
}
//----------------------------------------------------------------------------
void vtkSocketController::CloseConnection()
{
vtkSocketCommunicator::SafeDownCast(this->Communicator)->
CloseConnection();
}
//----------------------------------------------------------------------------
int vtkSocketController::ConnectTo(const char* hostName, int port )
{
return vtkSocketCommunicator::SafeDownCast(this->Communicator)->
ConnectTo(hostName, port);
}
//----------------------------------------------------------------------------
int vtkSocketController::GetSwapBytesInReceivedData()
{
return vtkSocketCommunicator::SafeDownCast(this->Communicator)->
GetSwapBytesInReceivedData();
}
//-----------------------------------------------------------------------------
vtkMultiProcessController *vtkSocketController::CreateCompliantController()
{
vtkProcessGroup *group = vtkProcessGroup::New();
group->Initialize(this->Communicator);
group->RemoveAllProcessIds();
// This hack creates sub controllers with differing orders of the processes
// that will map the ids to be unique on each process.
if (vtkSocketCommunicator::SafeDownCast(this->Communicator)->GetIsServer())
{
group->AddProcessId(1);
group->AddProcessId(0);
}
else
{
group->AddProcessId(0);
group->AddProcessId(1);
}
vtkMultiProcessController *compliantController
= this->CreateSubController(group);
group->Delete();
return compliantController;
}
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