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/*=========================================================================
Program: OpenIGTLink -- Example for Image 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 "igtlImageMetaMessage.h"
#include "igtlClientSocket.h"
int ReceiveImageMeta(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::GetImageMetaMessage::Pointer getImageMetaMsg;
getImageMetaMsg = igtl::GetImageMetaMessage::New();
getImageMetaMsg->SetDeviceName("Client");
getImageMetaMsg->Pack();
socket->Send(getImageMetaMsg->GetPackPointer(), getImageMetaMsg->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(), "IMGMETA") == 0)
{
ReceiveImageMeta(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 ReceiveImageMeta(igtl::ClientSocket::Pointer& socket, igtl::MessageHeader::Pointer& header)
{
std::cerr << "Receiving IMGMETA data type." << std::endl;
// Create a message buffer to receive transform data
igtl::ImageMetaMessage::Pointer imgMeta;
imgMeta = igtl::ImageMetaMessage::New();
imgMeta->SetMessageHeader(header);
imgMeta->AllocatePack();
// Receive transform data from the socket
socket->Receive(imgMeta->GetPackBodyPointer(), imgMeta->GetPackBodySize());
// Deserialize the transform data
// If you want to skip CRC check, call Unpack() without argument.
int c = imgMeta->Unpack(1);
if (c & igtl::MessageHeader::UNPACK_BODY) // if CRC check is OK
{
int nElements = imgMeta->GetNumberOfImageMetaElement();
for (int i = 0; i < nElements; i ++)
{
igtl::ImageMetaElement::Pointer imgMetaElement;
imgMeta->GetImageMetaElement(i, imgMetaElement);
igtlUint16 size[3];
imgMetaElement->GetSize(size);
igtl::TimeStamp::Pointer ts;
imgMetaElement->GetTimeStamp(ts);
double time = ts->GetTimeStamp();
std::cerr << "========== Element #" << i << " ==========" << std::endl;
std::cerr << " Name : " << imgMetaElement->GetName() << std::endl;
std::cerr << " DeviceName : " << imgMetaElement->GetDeviceName() << std::endl;
std::cerr << " Modality : " << imgMetaElement->GetModality() << std::endl;
std::cerr << " PatientName: " << imgMetaElement->GetPatientName() << std::endl;
std::cerr << " PatientID : " << imgMetaElement->GetPatientID() << std::endl;
std::cerr << " TimeStamp : " << std::fixed << time << std::endl;
std::cerr << " Size : ( " << size[0] << ", " << size[1] << ", " << size[2] << ")" << std::endl;
std::cerr << " ScalarType : " << (int) imgMetaElement->GetScalarType() << std::endl;
std::cerr << "================================" << std::endl;
}
return 1;
}
return 0;
}
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