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// Copyright Vespa.ai. 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/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::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;
}
}
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