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/*=========================================================================
Program: The OpenIGTLink Library
Language: C++
Web page: http://openigtlink.org/
Copyright (c) Insight Software Consortium. All rights reserved.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkServerSocket.cxx,v $
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 "igtlServerSocket.h"
#include "igtlClientSocket.h"
namespace igtl
{
//-----------------------------------------------------------------------------
ServerSocket::ServerSocket()
{
}
//-----------------------------------------------------------------------------
ServerSocket::~ServerSocket()
{
}
//-----------------------------------------------------------------------------
int ServerSocket::GetServerPort()
{
if (!this->GetConnected())
{
return 0;
}
return this->GetPort(this->m_SocketDescriptor);
}
//-----------------------------------------------------------------------------
int ServerSocket::CreateServer(int port)
{
if (this->m_SocketDescriptor != -1)
{
igtlWarningMacro("Server Socket already exists. Closing old socket.");
this->CloseSocket(this->m_SocketDescriptor);
this->m_SocketDescriptor = -1;
}
this->m_SocketDescriptor = this->CreateSocket();
if (this->m_SocketDescriptor < 0)
{
return -1;
}
if ( this->BindSocket(this->m_SocketDescriptor, port) != 0||
this->Listen(this->m_SocketDescriptor) != 0)
{
// failed to bind or listen.
this->CloseSocket(this->m_SocketDescriptor);
this->m_SocketDescriptor = -1;
return -1;
}
// Success.
return 0;
}
//-----------------------------------------------------------------------------
//ClientSocket* ServerSocket::WaitForConnection(unsigned long msec /*=0*/)
ClientSocket::Pointer ServerSocket::WaitForConnection(unsigned long msec /*=0*/)
{
if (this->m_SocketDescriptor < 0)
{
igtlErrorMacro("Server Socket not created yet!");
return NULL;
}
int ret = this->SelectSocket(this->m_SocketDescriptor, msec);
if (ret == 0)
{
// Timed out.
return NULL;
}
if (ret == -1)
{
igtlErrorMacro("Error selecting socket.");
return NULL;
}
int clientsock = this->Accept(this->m_SocketDescriptor);
if (clientsock == -1)
{
igtlErrorMacro("Failed to accept the socket.");
return NULL;
}
// Create a new ClientSocket and return it.
ClientSocket::Pointer cs = ClientSocket::New();
cs->m_SocketDescriptor = clientsock;
return cs;
}
//-----------------------------------------------------------------------------
void ServerSocket::PrintSelf(std::ostream& os) const
{
this->Superclass::PrintSelf(os);
}
} // end of igtl namespace
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