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cxEncodedPackage.h
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
12 
13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
15  and/or other materials provided with the distribution.
16 
17 3. Neither the name of the copyright holder nor the names of its contributors
18  may be used to endorse or promote products derived from this software
19  without specific prior written permission.
20 
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
25 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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29 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
32 
33 
34 #ifndef ENCODEDPACKAGE_H
35 #define ENCODEDPACKAGE_H
36 
37 #include <iostream>
38 #include <boost/shared_ptr.hpp>
39 //#include <QByteArray>
40 #include <QObject>
41 
42 #include "igtlMessageHeader.h"
43 
44 namespace cx
45 {
46 
50 class EncodedPackage : public QObject
51 {
52 Q_OBJECT
53 
54 public:
55  struct ByteArray
56  {
57  char* pointer;
58  int size;
59  };
60  typedef boost::shared_ptr<ByteArray> ByteArrayPtr;
61 
62 public:
63  EncodedPackage(char* pointer=NULL, int size=0);
64  virtual ~EncodedPackage() {}
65  virtual const ByteArrayPtr data() const = 0;
66  //TODO rename these two...
67  virtual void notifyDataArrived() = 0;
68  virtual bool isFinishedWith() = 0;
69 
70 signals:
71  void dataArrived();
72 
73 protected:
75 
76 };
77 typedef boost::shared_ptr<EncodedPackage> EncodedPackagePtr;
78 
79 
80 //--------------------------------------------------------------
81 template<class TYPE>
83 {
84 public:
85  static EncodedPackagePtr create(typename TYPE::Pointer msg)
86  {
88  }
89  explicit igtlEncodedPackage(typename TYPE::Pointer msg) :
90  EncodedPackage(reinterpret_cast<char*>(msg->GetPackPointer()), msg->GetPackSize()),
91  mMsg(msg),
92  mCanBeOverWritten(true)
93  {}
94  virtual ~igtlEncodedPackage() {}
95 
96  const ByteArrayPtr data() const
97  {
98  return mData;
99  }
100 
101  virtual void notifyDataArrived()
102  {
103  std::cout << "dataArrived()" << std::endl;
104  mCanBeOverWritten = false;
105  emit dataArrived();
106  }
107 
108  virtual bool isFinishedWith()
109  {
110  return mCanBeOverWritten;
111  }
112 
113  //private???
114  typename TYPE::Pointer mMsg;
115 protected:
117 };
118 
119 class igtlEncodedBodyPackage : public igtlEncodedPackage<igtl::MessageBase>
120 {
121 public:
122  static EncodedPackagePtr create(igtl::MessageBase::Pointer msg)
123  {
124  return EncodedPackagePtr(new igtlEncodedBodyPackage(msg));
125  }
126  explicit igtlEncodedBodyPackage(igtl::MessageBase::Pointer msg) :
127  igtlEncodedPackage(msg)
128  {
129  mMsg = msg;
130  mCanBeOverWritten = true;
131  mData->pointer = reinterpret_cast<char*>(msg->GetPackBodyPointer());
132  mData->size = msg->GetPackBodySize();
133  }
135 };
136 
137 
138 //--------------------------------------------------------------
139 template<class TYPE>
140 static EncodedPackagePtr createEncodedPackage(typename TYPE::Pointer msg)
141 {
142  return EncodedPackagePtr(new igtlEncodedPackage<TYPE>(msg));
143 }
144 
145 } //namespace cx
146 #endif // ENCODEDPACKAGE_H
igtlEncodedPackage(typename TYPE::Pointer msg)
virtual bool isFinishedWith()=0
virtual void notifyDataArrived()=0
const ByteArrayPtr data() const
boost::shared_ptr< ByteArray > ByteArrayPtr
static EncodedPackagePtr create(igtl::MessageBase::Pointer msg)
boost::shared_ptr< EncodedPackage > EncodedPackagePtr
virtual bool isFinishedWith()
virtual const ByteArrayPtr data() const =0
virtual void notifyDataArrived()
EncodedPackage(char *pointer=NULL, int size=0)
static EncodedPackagePtr create(typename TYPE::Pointer msg)
igtlEncodedBodyPackage(igtl::MessageBase::Pointer msg)