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105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkServerSocket.cxx
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkServerSocket.h"
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#include "vtkClientSocket.h"
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#include "vtkObjectFactory.h"
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vtkStandardNewMacro(vtkServerSocket);
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//-----------------------------------------------------------------------------
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vtkServerSocket::vtkServerSocket()
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{
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}
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//-----------------------------------------------------------------------------
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vtkServerSocket::~vtkServerSocket()
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{
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}
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//-----------------------------------------------------------------------------
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int vtkServerSocket::GetServerPort()
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{
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if (!this->GetConnected())
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{
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return 0;
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}
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return this->GetPort(this->SocketDescriptor);
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}
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//-----------------------------------------------------------------------------
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int vtkServerSocket::CreateServer(int port)
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{
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if (this->SocketDescriptor != -1)
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{
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vtkWarningMacro("Server Socket already exists. Closing old socket.");
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this->CloseSocket(this->SocketDescriptor);
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this->SocketDescriptor = -1;
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}
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this->SocketDescriptor = this->CreateSocket();
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if (this->SocketDescriptor < 0)
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{
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return -1;
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}
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if ( this->BindSocket(this->SocketDescriptor, port) != 0||
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this->Listen(this->SocketDescriptor) != 0)
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{
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// failed to bind or listen.
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this->CloseSocket(this->SocketDescriptor);
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this->SocketDescriptor = -1;
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return -1;
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}
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// Success.
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return 0;
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}
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//-----------------------------------------------------------------------------
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vtkClientSocket* vtkServerSocket::WaitForConnection(unsigned long msec /*=0*/)
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{
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if (this->SocketDescriptor < 0)
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{
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vtkErrorMacro("Server Socket not created yet!");
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return NULL;
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}
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int ret = this->SelectSocket(this->SocketDescriptor, msec);
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if (ret == 0)
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{
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// Timed out.
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return NULL;
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}
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if (ret == -1)
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{
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vtkErrorMacro("Error selecting socket.");
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return NULL;
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}
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int clientsock = this->Accept(this->SocketDescriptor);
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if (clientsock == -1)
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{
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vtkErrorMacro("Failed to accept the socket.");
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return NULL;
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}
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// Create a new vtkClientSocket and return it.
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vtkClientSocket* cs = vtkClientSocket::New();
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cs->SocketDescriptor = clientsock;
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cs->SetConnectingSide(false);
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return cs;
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}
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//-----------------------------------------------------------------------------
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void vtkServerSocket::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os, indent);
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}
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