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Add cache index file to HttpGet class to maintain a list of hash - file origin mappings.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23174 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling 2009-10-14 20:21:23 +00:00
parent 96adddaab3
commit 0fcc84f463
1 changed files with 18 additions and 0 deletions
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18
rbutil/rbutilqt/base/httpget.cpp
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@ -240,6 +240,7 @@ bool HttpGet::getFile(const QUrl &url)
void HttpGet::getFileFinish()
{
m_cachefile = m_cachedir.absolutePath() + "/rbutil-cache/" + m_hash;
QString indexFile = m_cachedir.absolutePath() + "/rbutil-cache/cache.txt";
if(m_usecache) {
// check if the file is present in cache
QFileInfo cachefile = QFileInfo(m_cachefile);
@ -279,6 +280,23 @@ void HttpGet::getFileFinish()
<< cachefile.lastModified();
}
qDebug() << "[HTTP] Cache: caching as" << m_cachefile;
// update cache index file
QFile idxFile(indexFile);
idxFile.open(QIODevice::ReadOnly);
QByteArray currLine;
do {
QByteArray currLine = idxFile.readLine(1000);
if(currLine.startsWith(m_hash.toUtf8()))
break;
} while(!currLine.isEmpty());
idxFile.close();
if(currLine.isEmpty()) {
idxFile.open(QIODevice::Append);
QString outline = m_hash + "\t" + m_header.value("Host") + "\t"
+ m_path + "\t" + m_query + "\n";
idxFile.write(outline.toUtf8());
idxFile.close();
}
}
}