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
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "documentsummary.h"
#include <vespa/fastlib/io/bufferedfile.h>
#include <vespa/searchlib/util/filekit.h>
#include <vespa/vespalib/util/size_literals.h>
#include <vespa/vespalib/util/error.h>
#include <vespa/log/log.h>
LOG_SETUP(".searchlib.docsummary.documentsummary");
using vespalib::getLastErrorString;
namespace search {
namespace docsummary {
bool
DocumentSummary::readDocIdLimit(const vespalib::string &dir, uint32_t &count)
{
char numbuf[20];
Fast_BufferedFile qcntfile(4_Ki);
unsigned int qcnt;
vespalib::string qcntname;
const char *p;
qcntname = dir + "/docsum.qcnt";
count = qcnt = 0;
// XXX no checking for success
qcntfile.ReadOpen(qcntname.c_str());
if (!qcntfile.IsOpened() || qcntfile.Eof())
return false;
p = qcntfile.ReadLine(numbuf, sizeof(numbuf));
while (*p >= '0' && *p <= '9')
qcnt = qcnt * 10 + *p++ - '0';
count = qcnt;
return true;
}
bool
DocumentSummary::writeDocIdLimit(const vespalib::string &dir, uint32_t count)
{
vespalib::string qcntname = dir + "/docsum.qcnt";
Fast_BufferedFile qcntfile(new FastOS_File);
qcntfile.WriteOpen(qcntname.c_str());
if (!qcntfile.IsOpened()) {
LOG(error, "Could not open %s: %s", qcntname.c_str(), getLastErrorString().c_str());
return false;
}
qcntfile.addNum(count, 0, ' ');
qcntfile.WriteByte('\n');
if ( ! qcntfile.Sync() ) {
LOG(error, "Could not sync %s: %s", qcntname.c_str(), getLastErrorString().c_str());
return false;
}
if ( ! qcntfile.Close() ) {
LOG(error, "Could not sync %s: %s", qcntname.c_str(), getLastErrorString().c_str());
return false;
}
return true;
}
}
}
|