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/*=========================================================================
Program: OpenIGTLink -- Example for Label Meta Data Client
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 <cstdio>
#include <cstring>
#include "igtlOSUtil.h"
#include "igtlImageMessage.h"
#include "igtlLabelMetaMessage.h"
#include "igtlClientSocket.h"
int ReceiveLabelMeta(igtl::ClientSocket::Pointer& socket, igtl::MessageHeader::Pointer& header);
int main(int argc, char* argv[])
{
//------------------------------------------------------------
// Parse Arguments
if (argc != 3) // check number of arguments
{
// If not correct, print usage
std::cerr << "Usage: " << argv[0] << " <hostname> <port>" << std::endl;
std::cerr << " <hostname> : IP or host name" << std::endl;
std::cerr << " <port> : Port # (18944 in Slicer default)" << std::endl;
exit(0);
}
char* hostname = argv[1];
int port = atoi(argv[2]);
//------------------------------------------------------------
// Establish Connection
igtl::ClientSocket::Pointer socket;
socket = igtl::ClientSocket::New();
int r = socket->ConnectToServer(hostname, port);
if (r != 0)
{
std::cerr << "Cannot connect to the server." << std::endl;
exit(0);
}
//------------------------------------------------------------
// loop
for (int i = 0; i < 10; i ++)
{
//------------------------------------------------------------
// Send request data
igtl::GetLabelMetaMessage::Pointer getLabelMetaMsg;
getLabelMetaMsg = igtl::GetLabelMetaMessage::New();
getLabelMetaMsg->SetDeviceName("Client");
getLabelMetaMsg->Pack();
socket->Send(getLabelMetaMsg->GetPackPointer(), getLabelMetaMsg->GetPackSize());
//------------------------------------------------------------
// Wait for a reply
igtl::MessageHeader::Pointer headerMsg;
headerMsg = igtl::MessageHeader::New();
headerMsg->InitPack();
int rs = socket->Receive(headerMsg->GetPackPointer(), headerMsg->GetPackSize());
if (rs == 0)
{
std::cerr << "Connection closed." << std::endl;
socket->CloseSocket();
exit(0);
}
if (rs != headerMsg->GetPackSize())
{
std::cerr << "Message size information and actual data size don't match." << std::endl;
exit(0);
}
headerMsg->Unpack();
if (strcmp(headerMsg->GetDeviceType(), "LBMETA") == 0)
{
ReceiveLabelMeta(socket, headerMsg);
}
else
{
std::cerr << "Invalid response from the server:" << headerMsg->GetDeviceName() << std::endl;
exit(0);
}
igtl::Sleep(500); // wait
}
//------------------------------------------------------------
// Close connection
socket->CloseSocket();
}
int ReceiveLabelMeta(igtl::ClientSocket::Pointer& socket, igtl::MessageHeader::Pointer& header)
{
std::cerr << "Receiving LBMETA data type." << std::endl;
// Create a message buffer to receive transform data
igtl::LabelMetaMessage::Pointer lbMeta;
lbMeta = igtl::LabelMetaMessage::New();
lbMeta->SetMessageHeader(header);
lbMeta->AllocatePack();
// Receive transform data from the socket
socket->Receive(lbMeta->GetPackBodyPointer(), lbMeta->GetPackBodySize());
// Deserialize the transform data
// If you want to skip CRC check, call Unpack() without argument.
int c = lbMeta->Unpack(1);
if (c & igtl::MessageHeader::UNPACK_BODY) // if CRC check is OK
{
int nElements = lbMeta->GetNumberOfLabelMetaElement();
for (int i = 0; i < nElements; i ++)
{
igtl::LabelMetaElement::Pointer lbMetaElement;
lbMeta->GetLabelMetaElement(i, lbMetaElement);
igtlUint8 rgba[4];
lbMetaElement->GetRGBA(rgba);
igtlUint16 size[3];
lbMetaElement->GetSize(size);
std::cerr << "========== Element #" << i << " ==========" << std::endl;
std::cerr << " Name : " << lbMetaElement->GetName() << std::endl;
std::cerr << " DeviceName : " << lbMetaElement->GetDeviceName() << std::endl;
std::cerr << " Label : " << (int) lbMetaElement->GetLabel() << std::endl;
std::cerr << " RGBA : ( " << (int)rgba[0] << ", " << (int)rgba[1] << ", " << (int)rgba[2] << ", " << (int)rgba[3] << " )" << std::endl;
std::cerr << " Size : ( " << size[0] << ", " << size[1] << ", " << size[2] << ")" << std::endl;
std::cerr << " Owner : " << lbMetaElement->GetOwner() << std::endl;
std::cerr << "================================" << std::endl;
}
return 1;
}
return 0;
}
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