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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "documentsummary.h"
#include <vespa/vespalib/util/growablebytebuffer.h>
#include <vespa/document/util/bytebuffer.h>
#include <vespa/vespalib/util/size_literals.h>
#include <algorithm>
namespace vdslib {
DocumentSummary::DocumentSummary() :
_summaryBuffer(),
_summary(),
_summarySize(0)
{
_summaryBuffer.reset(new vespalib::MallocPtr(4_Ki));
}
DocumentSummary::DocumentSummary(document::ByteBuffer& buf) :
_summaryBuffer(),
_summary(),
_summarySize(0)
{
deserialize(buf);
}
DocumentSummary::~DocumentSummary() = default;
void DocumentSummary::deserialize(document::ByteBuffer& buf)
{
int32_t tmp;
buf.getIntNetwork(tmp); // Just get dummy 4 byte field, to avoid handling different versions.
uint32_t numResults(0);
buf.getIntNetwork(tmp); numResults = tmp;
_summary.resize(numResults);
if (numResults > 0) {
buf.getIntNetwork(tmp); _summarySize = tmp;
_summaryBuffer.reset(new vespalib::MallocPtr(getSummarySize()));
buf.getBytes(_summaryBuffer->str(), _summaryBuffer->size());
const char * summarybp(_summaryBuffer->c_str());
for (size_t n(0), p(0), m(_summary.size()); n < m; n++) {
uint32_t sz(0);
buf.getIntNetwork(tmp); sz = tmp;
size_t oldP(p);
while (summarybp[p++]) { }
_summary[n] = Summary(oldP, p, sz);
p += sz;
}
}
}
void DocumentSummary::serialize(vespalib::GrowableByteBuffer& buf) const
{
buf.putInt(0); // Just serialize dummy 4 byte field, to avoid versioning.
buf.putInt(_summary.size());
if ( ! _summary.empty() ) {
buf.putInt(getSummarySize());
for (size_t i(0), m(_summary.size()); i < m; i++) {
Summary s(_summary[i]);
buf.putBytes(s.getDocId(_summaryBuffer->c_str()), s.getTotalSize());
}
for (size_t i(0), m(_summary.size()); i < m; i++) {
buf.putInt(_summary[i].getSummarySize());
}
}
}
uint32_t DocumentSummary::getSerializedSize() const
{
return (! _summary.empty()) ? 4*(3 + getSummaryCount()) + getSummarySize() : 8;
}
void DocumentSummary::addSummary(const char *docId, const void * buf, size_t sz)
{
const size_t idSize = strlen(docId) + 1;
Summary s(getSummarySize(), getSummarySize() + idSize, sz);
_summary.push_back(s);
const size_t end(getSummarySize() + idSize + sz);
if (end > _summaryBuffer->size()) {
_summaryBuffer->realloc(end*2);
}
memcpy(_summaryBuffer->str() + getSummarySize(), docId, idSize);
memcpy(_summaryBuffer->str() + getSummarySize()+idSize, buf, sz);
_summarySize = end;
}
void DocumentSummary::sort()
{
std::sort(_summary.begin(), _summary.end(), Compare(_summaryBuffer->c_str()));
}
}
|
