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/*=========================================================================
Program: OpenIGTLink -- Example for Label Meta Data Server
Language: C++
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.
=========================================================================*/
#include <iostream>
#include <math.h>
#include <cstdlib>
#include <cstring>
#include "igtlOSUtil.h"
#include "igtlMessageHeader.h"
#include "igtlImageMessage.h"
#include "igtlServerSocket.h"
#include "igtlLabelMetaMessage.h"
int SendLabelMeta(igtl::Socket::Pointer& socket);
int main(int argc, char* argv[])
{
//------------------------------------------------------------
// Parse Arguments
if (argc != 2) // check number of arguments
{
// If not correct, print usage
std::cerr << "Usage: " << argv[0] << " <port>" << std::endl;
std::cerr << " <port> : Port # (18944 in Slicer default)" << std::endl;
exit(0);
}
int port = atoi(argv[1]);
igtl::ServerSocket::Pointer serverSocket;
serverSocket = igtl::ServerSocket::New();
int r = serverSocket->CreateServer(port);
if (r < 0)
{
std::cerr << "Cannot create a server socket." << std::endl;
exit(0);
}
igtl::Socket::Pointer socket;
while (1)
{
//------------------------------------------------------------
// Waiting for Connection
socket = serverSocket->WaitForConnection(1000);
if (socket.IsNotNull()) // if client connected
{
std::cerr << "A client is connected." << std::endl;
// Create a message buffer to receive header
igtl::MessageHeader::Pointer headerMsg;
headerMsg = igtl::MessageHeader::New();
//------------------------------------------------------------
// loop
for (int i = 0; i < 100; i ++)
{
// Initialize receive buffer
headerMsg->InitPack();
// Receive generic header from the socket
int rs = socket->Receive(headerMsg->GetPackPointer(), headerMsg->GetPackSize());
if (rs == 0)
{
socket->CloseSocket();
}
if (rs != headerMsg->GetPackSize())
{
continue;
}
// Deserialize the header
headerMsg->Unpack();
// Check data type and receive data body
if (strcmp(headerMsg->GetDeviceType(), "GET_LBMETA") == 0)
{
std::cerr << "Received a GET_LBMETA message." << std::endl;
//socket->Skip(headerMsg->GetBodySizeToRead(), 0);
SendLabelMeta(socket);
}
else
{
// if the data type is unknown, skip reading.
std::cerr << "Receiving : " << headerMsg->GetDeviceType() << std::endl;
socket->Skip(headerMsg->GetBodySizeToRead(), 0);
}
}
}
}
//------------------------------------------------------------
// Close connection (The example code never reaches to this section ...)
socket->CloseSocket();
}
int SendLabelMeta(igtl::Socket::Pointer& socket)
{
//------------------------------------------------------------
// Allocate Status Message Class
igtl::LabelMetaMessage::Pointer lbMetaMsg;
lbMetaMsg = igtl::LabelMetaMessage::New();
lbMetaMsg->SetDeviceName("MetaServer");
//---------------------------
// Create 1st meta data
igtl::LabelMetaElement::Pointer lbMeta0;
lbMeta0 = igtl::LabelMetaElement::New();
lbMeta0->SetName("LABEL_DESCRIPTION_0");
lbMeta0->SetDeviceName("LABEL_0");
lbMeta0->SetLabel(1);
lbMeta0->SetRGBA(0xFF, 0x00, 0x00, 0xFF);
lbMeta0->SetSize(512, 512, 64);
lbMeta0->SetOwner("IMAGE_0");
//---------------------------
// Create 2nd meta data
igtl::LabelMetaElement::Pointer lbMeta1;
lbMeta1 = igtl::LabelMetaElement::New();
lbMeta1->SetName("LABEL_DESCRIPTION_1");
lbMeta1->SetDeviceName("LABEL_1");
lbMeta1->SetLabel(2);
lbMeta1->SetRGBA(0x00, 0xFF, 0, 0xFF);
lbMeta1->SetSize(256, 128, 32);
lbMeta1->SetOwner("IMAGE_1");
//---------------------------
// Create 3rd meta data
igtl::LabelMetaElement::Pointer lbMeta2;
lbMeta2 = igtl::LabelMetaElement::New();
lbMeta2->SetName("LABEL_DESCRIPTION_2");
lbMeta2->SetDeviceName("LABEL_2");
lbMeta2->SetLabel(3);
lbMeta2->SetRGBA(0, 0, 0xFF, 0xFF);
lbMeta2->SetSize(256, 256, 32);
lbMeta2->SetOwner("IMAGE_2");
lbMetaMsg->AddLabelMetaElement(lbMeta0);
lbMetaMsg->AddLabelMetaElement(lbMeta1);
lbMetaMsg->AddLabelMetaElement(lbMeta2);
lbMetaMsg->Pack();
std::cerr << "Size of pack: " << lbMetaMsg->GetPackSize() << std::endl;
std::cerr << "Name of type: " << lbMetaMsg->GetDeviceType() << std::endl;
std::cerr << "Sending a LBMETA message..." << std::endl;
socket->Send(lbMetaMsg->GetPackPointer(), lbMetaMsg->GetPackSize());
return 1;
}
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