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/*=========================================================================
Program: Visualization Toolkit
Module: vtkServerSocket.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 "vtkServerSocket.h"
#include "vtkClientSocket.h"
#include "vtkObjectFactory.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkServerSocket);
//------------------------------------------------------------------------------
vtkServerSocket::vtkServerSocket() = default;
//------------------------------------------------------------------------------
vtkServerSocket::~vtkServerSocket() = default;
//------------------------------------------------------------------------------
int vtkServerSocket::GetServerPort()
{
if (!this->GetConnected())
{
return 0;
}
return this->GetPort(this->SocketDescriptor);
}
//------------------------------------------------------------------------------
int vtkServerSocket::CreateServer(int port)
{
if (this->SocketDescriptor != -1)
{
vtkWarningMacro("Server Socket already exists. Closing old socket.");
this->CloseSocket(this->SocketDescriptor);
this->SocketDescriptor = -1;
}
this->SocketDescriptor = this->CreateSocket();
if (this->SocketDescriptor < 0)
{
return -1;
}
if (this->BindSocket(this->SocketDescriptor, port) != 0 ||
this->Listen(this->SocketDescriptor) != 0)
{
// failed to bind or listen.
this->CloseSocket(this->SocketDescriptor);
this->SocketDescriptor = -1;
return -1;
}
// Success.
return 0;
}
//------------------------------------------------------------------------------
vtkClientSocket* vtkServerSocket::WaitForConnection(unsigned long msec /*=0*/)
{
if (this->SocketDescriptor < 0)
{
vtkErrorMacro("Server Socket not created yet!");
return nullptr;
}
int ret = this->SelectSocket(this->SocketDescriptor, msec);
if (ret == 0)
{
// Timed out.
return nullptr;
}
if (ret == -1)
{
vtkErrorMacro("Error selecting socket.");
return nullptr;
}
int clientsock = this->Accept(this->SocketDescriptor);
if (clientsock == -1)
{
vtkErrorMacro("Failed to accept the socket.");
return nullptr;
}
// Create a new vtkClientSocket and return it.
vtkClientSocket* cs = vtkClientSocket::New();
cs->SocketDescriptor = clientsock;
cs->SetConnectingSide(false);
return cs;
}
//------------------------------------------------------------------------------
void vtkServerSocket::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END
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