1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "gdcmPDataTFPDU.h"
#include "gdcmSwapper.h"
namespace gdcm
{
namespace network
{
const uint8_t PDataTFPDU::ItemType = 0x04; // PDUType ?
const uint8_t PDataTFPDU::Reserved2 = 0x00;
PDataTFPDU::PDataTFPDU()
{
assert(Size() < std::numeric_limits<uint32_t>::max());
ItemLength = (uint32_t)Size() - 6;
assert( (ItemLength + 4 + 1 + 1) == Size() );
}
std::istream &PDataTFPDU::Read(std::istream &is)
{
//uint8_t itemtype = 0;
//is.read( (char*)&itemtype, sizeof(ItemType) );
//assert( itemtype == ItemType );
uint8_t reserved2 = 0;
is.read( (char*)&reserved2, sizeof(Reserved2) );
uint32_t itemlength = ItemLength;
is.read( (char*)&itemlength, sizeof(ItemLength) );
SwapperDoOp::SwapArray(&itemlength,1);
ItemLength = itemlength;
size_t curlen = 0;
while( curlen < ItemLength )
{
PresentationDataValue pdv;
pdv.Read( is );
V.push_back( pdv );
curlen += pdv.Size();
}
assert( curlen == ItemLength );
assert( (ItemLength + 4 + 1 + 1) == Size() );
return is;
}
std::istream &PDataTFPDU::ReadInto(std::istream &is, std::ostream &os)
{
uint8_t itemtype = 0;
is.read( (char*)&itemtype, sizeof(ItemType) );
assert( itemtype == ItemType );
uint8_t reserved2 = 0;
is.read( (char*)&reserved2, sizeof(Reserved2) );
uint32_t itemlength = ItemLength;
is.read( (char*)&itemlength, sizeof(ItemLength) );
SwapperDoOp::SwapArray(&itemlength,1);
ItemLength = itemlength;
size_t curlen = 0;
while( curlen < ItemLength )
{
PresentationDataValue pdv;
pdv.ReadInto( is, os );
V.push_back( pdv );
curlen += pdv.Size();
}
assert( curlen == ItemLength );
assert( (ItemLength + 4 + 1 + 1) == Size() );
return is;
}
const std::ostream &PDataTFPDU::Write(std::ostream &os) const
{
assert( (ItemLength + 4 + 1 + 1) == Size() );
os.write( (char*)&ItemType, sizeof(ItemType) );
os.write( (char*)&Reserved2, sizeof(Reserved2) );
//os.write( (char*)&ItemLength, sizeof(ItemLength) );
uint32_t copy = ItemLength;
SwapperDoOp::SwapArray(©,1);
os.write( (char*)©, sizeof(ItemLength) );
std::vector<PresentationDataValue>::const_iterator it = V.begin();
for( ; it != V.end(); ++it )
{
it->Write( os );
}
return os;
}
size_t PDataTFPDU::Size() const
{
size_t ret = 0;
ret += sizeof(ItemType);
ret += sizeof(Reserved2);
ret += sizeof(ItemLength);
std::vector<PresentationDataValue>::const_iterator it = V.begin();
for( ; it != V.end(); ++it )
{
ret += it->Size( );
}
return ret;
}
void PDataTFPDU::Print(std::ostream &os) const
{
//static const uint8_t ItemType; // PDUType ?
//static const uint8_t Reserved2;
os << "ItemLength: " << ItemLength << std::endl; // PDU Length ?
os << "PresentationDataValue: " << std::endl;
std::vector<PresentationDataValue>::const_iterator it = V.begin();
for( ; it != V.end(); ++it )
{
it->Print( os );
}
os << std::endl;
}
bool PDataTFPDU::IsLastFragment() const
{
if (V.empty()) return true;
return V[V.size()-1].GetIsLastFragment();
}
} // end namespace network
} // end namespace gdcm
|
